diff options
Diffstat (limited to 'drivers/scsi/mpt2sas')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 4899 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.h | 1235 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_config.c | 1527 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 3101 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.h | 419 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_debug.h | 182 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 8855 | ||||
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_transport.c | 2173 |
8 files changed, 0 insertions, 22391 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c deleted file mode 100644 index c167911221e9..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ /dev/null @@ -1,4899 +0,0 @@ -/* - * This is the Fusion MPT base driver providing common API layer interface - * for access to MPT (Message Passing Technology) firmware. - * - * This code is based on drivers/scsi/mpt2sas/mpt2_base.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/blkdev.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> -#include <linux/sort.h> -#include <linux/io.h> -#include <linux/time.h> -#include <linux/kthread.h> -#include <linux/aer.h> - -#include "mpt2sas_base.h" - -static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; - -#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ - -#define MAX_HBA_QUEUE_DEPTH 30000 -#define MAX_CHAIN_DEPTH 100000 -static int max_queue_depth = -1; -module_param(max_queue_depth, int, 0); -MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); - -static int max_sgl_entries = -1; -module_param(max_sgl_entries, int, 0); -MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); - -static int msix_disable = -1; -module_param(msix_disable, int, 0); -MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); - -static int max_msix_vectors = -1; -module_param(max_msix_vectors, int, 0); -MODULE_PARM_DESC(max_msix_vectors, " max msix vectors "); - -static int mpt2sas_fwfault_debug; -MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " - "and halt firmware - (default=0)"); - -static int disable_discovery = -1; -module_param(disable_discovery, int, 0); -MODULE_PARM_DESC(disable_discovery, " disable discovery "); - -static int -_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); - -static int -_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag); - -/** - * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. - * - */ -static int -_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - struct MPT2SAS_ADAPTER *ioc; - - if (ret) - return ret; - - /* global ioc spinlock to protect controller list on list operations */ - printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) - ioc->fwfault_debug = mpt2sas_fwfault_debug; - spin_unlock(&gioc_lock); - return 0; -} - -module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, - param_get_int, &mpt2sas_fwfault_debug, 0644); - -/** - * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc - * @arg: input argument, used to derive ioc - * - * Return 0 if controller is removed from pci subsystem. - * Return -1 for other case. - */ -static int mpt2sas_remove_dead_ioc_func(void *arg) -{ - struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; - struct pci_dev *pdev; - - if ((ioc == NULL)) - return -1; - - pdev = ioc->pdev; - if ((pdev == NULL)) - return -1; - pci_stop_and_remove_bus_device_locked(pdev); - return 0; -} - - -/** - * _base_fault_reset_work - workq handling ioc fault conditions - * @work: input argument, used to derive ioc - * Context: sleep. - * - * Return nothing. - */ -static void -_base_fault_reset_work(struct work_struct *work) -{ - struct MPT2SAS_ADAPTER *ioc = - container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); - unsigned long flags; - u32 doorbell; - int rc; - struct task_struct *p; - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->shost_recovery || ioc->pci_error_recovery) - goto rearm_timer; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { - printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", - ioc->name, __func__); - - /* It may be possible that EEH recovery can resolve some of - * pci bus failure issues rather removing the dead ioc function - * by considering controller is in a non-operational state. So - * here priority is given to the EEH recovery. If it doesn't - * not resolve this issue, mpt2sas driver will consider this - * controller to non-operational state and remove the dead ioc - * function. - */ - if (ioc->non_operational_loop++ < 5) { - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, - flags); - goto rearm_timer; - } - - /* - * Call _scsih_flush_pending_cmds callback so that we flush all - * pending commands back to OS. This call is required to aovid - * deadlock at block layer. Dead IOC will fail to do diag reset, - * and this call is safe since dead ioc will never return any - * command back from HW. - */ - ioc->schedule_dead_ioc_flush_running_cmds(ioc); - /* - * Set remove_host flag early since kernel thread will - * take some time to execute. - */ - ioc->remove_host = 1; - /*Remove the Dead Host */ - p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, - "mpt2sas_dead_ioc_%d", ioc->id); - if (IS_ERR(p)) { - printk(MPT2SAS_ERR_FMT - "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", - ioc->name, __func__); - } else { - printk(MPT2SAS_ERR_FMT - "%s: Running mpt2sas_dead_ioc thread success !!!!\n", - ioc->name, __func__); - } - - return; /* don't rearm timer */ - } - - ioc->non_operational_loop = 0; - - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, - __func__, (rc == 0) ? "success" : "failed"); - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) - mpt2sas_base_fault_info(ioc, doorbell & - MPI2_DOORBELL_DATA_MASK); - } - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - rearm_timer: - if (ioc->fault_reset_work_q) - queue_delayed_work(ioc->fault_reset_work_q, - &ioc->fault_reset_work, - msecs_to_jiffies(FAULT_POLLING_INTERVAL)); - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); -} - -/** - * mpt2sas_base_start_watchdog - start the fault_reset_work_q - * @ioc: per adapter object - * Context: sleep. - * - * Return nothing. - */ -void -mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - - if (ioc->fault_reset_work_q) - return; - - /* initialize fault polling */ - INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); - snprintf(ioc->fault_reset_work_q_name, - sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); - ioc->fault_reset_work_q = - create_singlethread_workqueue(ioc->fault_reset_work_q_name); - if (!ioc->fault_reset_work_q) { - printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", - ioc->name, __func__, __LINE__); - return; - } - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->fault_reset_work_q) - queue_delayed_work(ioc->fault_reset_work_q, - &ioc->fault_reset_work, - msecs_to_jiffies(FAULT_POLLING_INTERVAL)); - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); -} - -/** - * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q - * @ioc: per adapter object - * Context: sleep. - * - * Return nothing. - */ -void -mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - struct workqueue_struct *wq; - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - wq = ioc->fault_reset_work_q; - ioc->fault_reset_work_q = NULL; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - if (wq) { - if (!cancel_delayed_work_sync(&ioc->fault_reset_work)) - flush_workqueue(wq); - destroy_workqueue(wq); - } -} - -/** - * mpt2sas_base_fault_info - verbose translation of firmware FAULT code - * @ioc: per adapter object - * @fault_code: fault code - * - * Return nothing. - */ -void -mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) -{ - printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", - ioc->name, fault_code); -} - -/** - * mpt2sas_halt_firmware - halt's mpt controller firmware - * @ioc: per adapter object - * - * For debugging timeout related issues. Writing 0xCOFFEE00 - * to the doorbell register will halt controller firmware. With - * the purpose to stop both driver and firmware, the enduser can - * obtain a ring buffer from controller UART. - */ -void -mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) -{ - u32 doorbell; - - if (!ioc->fwfault_debug) - return; - - dump_stack(); - - doorbell = readl(&ioc->chip->Doorbell); - if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) - mpt2sas_base_fault_info(ioc , doorbell); - else { - writel(0xC0FFEE00, &ioc->chip->Doorbell); - printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " - "timeout\n", ioc->name); - } - - panic("panic in %s\n", __func__); -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _base_sas_ioc_info - verbose translation of the ioc status - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @request_hdr: request mf - * - * Return nothing. - */ -static void -_base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, - MPI2RequestHeader_t *request_hdr) -{ - u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & - MPI2_IOCSTATUS_MASK; - char *desc = NULL; - u16 frame_sz; - char *func_str = NULL; - - /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ - if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || - request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) - return; - - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - return; - - switch (ioc_status) { - -/**************************************************************************** -* Common IOCStatus values for all replies -****************************************************************************/ - - case MPI2_IOCSTATUS_INVALID_FUNCTION: - desc = "invalid function"; - break; - case MPI2_IOCSTATUS_BUSY: - desc = "busy"; - break; - case MPI2_IOCSTATUS_INVALID_SGL: - desc = "invalid sgl"; - break; - case MPI2_IOCSTATUS_INTERNAL_ERROR: - desc = "internal error"; - break; - case MPI2_IOCSTATUS_INVALID_VPID: - desc = "invalid vpid"; - break; - case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: - desc = "insufficient resources"; - break; - case MPI2_IOCSTATUS_INVALID_FIELD: - desc = "invalid field"; - break; - case MPI2_IOCSTATUS_INVALID_STATE: - desc = "invalid state"; - break; - case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: - desc = "op state not supported"; - break; - -/**************************************************************************** -* Config IOCStatus values -****************************************************************************/ - - case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: - desc = "config invalid action"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: - desc = "config invalid type"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: - desc = "config invalid page"; - break; - case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: - desc = "config invalid data"; - break; - case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: - desc = "config no defaults"; - break; - case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: - desc = "config cant commit"; - break; - -/**************************************************************************** -* SCSI IO Reply -****************************************************************************/ - - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - break; - -/**************************************************************************** -* For use by SCSI Initiator and SCSI Target end-to-end data protection -****************************************************************************/ - - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - desc = "eedp guard error"; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - desc = "eedp ref tag error"; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - desc = "eedp app tag error"; - break; - -/**************************************************************************** -* SCSI Target values -****************************************************************************/ - - case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: - desc = "target invalid io index"; - break; - case MPI2_IOCSTATUS_TARGET_ABORTED: - desc = "target aborted"; - break; - case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: - desc = "target no conn retryable"; - break; - case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: - desc = "target no connection"; - break; - case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: - desc = "target xfer count mismatch"; - break; - case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: - desc = "target data offset error"; - break; - case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: - desc = "target too much write data"; - break; - case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: - desc = "target iu too short"; - break; - case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: - desc = "target ack nak timeout"; - break; - case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: - desc = "target nak received"; - break; - -/**************************************************************************** -* Serial Attached SCSI values -****************************************************************************/ - - case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: - desc = "smp request failed"; - break; - case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: - desc = "smp data overrun"; - break; - -/**************************************************************************** -* Diagnostic Buffer Post / Diagnostic Release values -****************************************************************************/ - - case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: - desc = "diagnostic released"; - break; - default: - break; - } - - if (!desc) - return; - - switch (request_hdr->Function) { - case MPI2_FUNCTION_CONFIG: - frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; - func_str = "config_page"; - break; - case MPI2_FUNCTION_SCSI_TASK_MGMT: - frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); - func_str = "task_mgmt"; - break; - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); - func_str = "sas_iounit_ctl"; - break; - case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: - frame_sz = sizeof(Mpi2SepRequest_t); - func_str = "enclosure"; - break; - case MPI2_FUNCTION_IOC_INIT: - frame_sz = sizeof(Mpi2IOCInitRequest_t); - func_str = "ioc_init"; - break; - case MPI2_FUNCTION_PORT_ENABLE: - frame_sz = sizeof(Mpi2PortEnableRequest_t); - func_str = "port_enable"; - break; - case MPI2_FUNCTION_SMP_PASSTHROUGH: - frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; - func_str = "smp_passthru"; - break; - default: - frame_sz = 32; - func_str = "unknown"; - break; - } - - printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," - " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); - - _debug_dump_mf(request_hdr, frame_sz/4); -} - -/** - * _base_display_event_data - verbose translation of firmware asyn events - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * - * Return nothing. - */ -static void -_base_display_event_data(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventNotificationReply_t *mpi_reply) -{ - char *desc = NULL; - u16 event; - - if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) - return; - - event = le16_to_cpu(mpi_reply->Event); - - switch (event) { - case MPI2_EVENT_LOG_DATA: - desc = "Log Data"; - break; - case MPI2_EVENT_STATE_CHANGE: - desc = "Status Change"; - break; - case MPI2_EVENT_HARD_RESET_RECEIVED: - desc = "Hard Reset Received"; - break; - case MPI2_EVENT_EVENT_CHANGE: - desc = "Event Change"; - break; - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - desc = "Device Status Change"; - break; - case MPI2_EVENT_IR_OPERATION_STATUS: - if (!ioc->hide_ir_msg) - desc = "IR Operation Status"; - break; - case MPI2_EVENT_SAS_DISCOVERY: - { - Mpi2EventDataSasDiscovery_t *event_data = - (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; - printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, - (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? - "start" : "stop"); - if (event_data->DiscoveryStatus) - printk("discovery_status(0x%08x)", - le32_to_cpu(event_data->DiscoveryStatus)); - printk("\n"); - return; - } - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - desc = "SAS Broadcast Primitive"; - break; - case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: - desc = "SAS Init Device Status Change"; - break; - case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: - desc = "SAS Init Table Overflow"; - break; - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - desc = "SAS Topology Change List"; - break; - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - desc = "SAS Enclosure Device Status Change"; - break; - case MPI2_EVENT_IR_VOLUME: - if (!ioc->hide_ir_msg) - desc = "IR Volume"; - break; - case MPI2_EVENT_IR_PHYSICAL_DISK: - if (!ioc->hide_ir_msg) - desc = "IR Physical Disk"; - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - if (!ioc->hide_ir_msg) - desc = "IR Configuration Change List"; - break; - case MPI2_EVENT_LOG_ENTRY_ADDED: - if (!ioc->hide_ir_msg) - desc = "Log Entry Added"; - break; - case MPI2_EVENT_TEMP_THRESHOLD: - desc = "Temperature Threshold"; - break; - } - - if (!desc) - return; - - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); -} -#endif - -/** - * _base_sas_log_info - verbose translation of firmware log info - * @ioc: per adapter object - * @log_info: log info - * - * Return nothing. - */ -static void -_base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) -{ - union loginfo_type { - u32 loginfo; - struct { - u32 subcode:16; - u32 code:8; - u32 originator:4; - u32 bus_type:4; - } dw; - }; - union loginfo_type sas_loginfo; - char *originator_str = NULL; - - sas_loginfo.loginfo = log_info; - if (sas_loginfo.dw.bus_type != 3 /*SAS*/) - return; - - /* each nexus loss loginfo */ - if (log_info == 0x31170000) - return; - - /* eat the loginfos associated with task aborts */ - if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == - 0x31140000 || log_info == 0x31130000)) - return; - - switch (sas_loginfo.dw.originator) { - case 0: - originator_str = "IOP"; - break; - case 1: - originator_str = "PL"; - break; - case 2: - if (!ioc->hide_ir_msg) - originator_str = "IR"; - else - originator_str = "WarpDrive"; - break; - } - - printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " - "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, - originator_str, sas_loginfo.dw.code, - sas_loginfo.dw.subcode); -} - -/** - * _base_display_reply_info - - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Return nothing. - */ -static void -_base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - u16 ioc_status; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus); -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc_status & MPI2_IOCSTATUS_MASK) && - (ioc->logging_level & MPT_DEBUG_REPLY)) { - _base_sas_ioc_info(ioc , mpi_reply, - mpt2sas_base_get_msg_frame(ioc, smid)); - } -#endif - if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) - _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); -} - -/** - * mpt2sas_base_done - base internal command completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) - return 1; - - if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) - return 1; - - ioc->base_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; - memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - } - ioc->base_cmds.status &= ~MPT2_CMD_PENDING; - - complete(&ioc->base_cmds.done); - return 1; -} - -/** - * _base_async_event - main callback handler for firmware asyn events - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Returns void. - */ -static void -_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) -{ - Mpi2EventNotificationReply_t *mpi_reply; - Mpi2EventAckRequest_t *ack_request; - u16 smid; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (!mpi_reply) - return; - if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) - return; -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _base_display_event_data(ioc, mpi_reply); -#endif - if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) - goto out; - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - goto out; - } - - ack_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); - ack_request->Function = MPI2_FUNCTION_EVENT_ACK; - ack_request->Event = mpi_reply->Event; - ack_request->EventContext = mpi_reply->EventContext; - ack_request->VF_ID = 0; /* TODO */ - ack_request->VP_ID = 0; - mpt2sas_base_put_smid_default(ioc, smid); - - out: - - /* scsih callback handler */ - mpt2sas_scsih_event_callback(ioc, msix_index, reply); - - /* ctl callback handler */ - mpt2sas_ctl_event_callback(ioc, msix_index, reply); - - return; -} - -/** - * _base_get_cb_idx - obtain the callback index - * @ioc: per adapter object - * @smid: system request message index - * - * Return callback index. - */ -static u8 -_base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - int i; - u8 cb_idx; - - if (smid < ioc->hi_priority_smid) { - i = smid - 1; - cb_idx = ioc->scsi_lookup[i].cb_idx; - } else if (smid < ioc->internal_smid) { - i = smid - ioc->hi_priority_smid; - cb_idx = ioc->hpr_lookup[i].cb_idx; - } else if (smid <= ioc->hba_queue_depth) { - i = smid - ioc->internal_smid; - cb_idx = ioc->internal_lookup[i].cb_idx; - } else - cb_idx = 0xFF; - return cb_idx; -} - -/** - * _base_mask_interrupts - disable interrupts - * @ioc: per adapter object - * - * Disabling ResetIRQ, Reply and Doorbell Interrupts - * - * Return nothing. - */ -static void -_base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) -{ - u32 him_register; - - ioc->mask_interrupts = 1; - him_register = readl(&ioc->chip->HostInterruptMask); - him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; - writel(him_register, &ioc->chip->HostInterruptMask); - readl(&ioc->chip->HostInterruptMask); -} - -/** - * _base_unmask_interrupts - enable interrupts - * @ioc: per adapter object - * - * Enabling only Reply Interrupts - * - * Return nothing. - */ -static void -_base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) -{ - u32 him_register; - - him_register = readl(&ioc->chip->HostInterruptMask); - him_register &= ~MPI2_HIM_RIM; - writel(him_register, &ioc->chip->HostInterruptMask); - ioc->mask_interrupts = 0; -} - -union reply_descriptor { - u64 word; - struct { - u32 low; - u32 high; - } u; -}; - -/** - * _base_interrupt - MPT adapter (IOC) specific interrupt handler. - * @irq: irq number (not used) - * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure - * @r: pt_regs pointer (not used) - * - * Return IRQ_HANDLE if processed, else IRQ_NONE. - */ -static irqreturn_t -_base_interrupt(int irq, void *bus_id) -{ - struct adapter_reply_queue *reply_q = bus_id; - union reply_descriptor rd; - u32 completed_cmds; - u8 request_desript_type; - u16 smid; - u8 cb_idx; - u32 reply; - u8 msix_index = reply_q->msix_index; - struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; - Mpi2ReplyDescriptorsUnion_t *rpf; - u8 rc; - - if (ioc->mask_interrupts) - return IRQ_NONE; - - if (!atomic_add_unless(&reply_q->busy, 1, 1)) - return IRQ_NONE; - - rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; - request_desript_type = rpf->Default.ReplyFlags - & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; - if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { - atomic_dec(&reply_q->busy); - return IRQ_NONE; - } - - completed_cmds = 0; - cb_idx = 0xFF; - do { - rd.word = le64_to_cpu(rpf->Words); - if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) - goto out; - reply = 0; - smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); - if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { - reply = le32_to_cpu - (rpf->AddressReply.ReplyFrameAddress); - if (reply > ioc->reply_dma_max_address || - reply < ioc->reply_dma_min_address) - reply = 0; - } else if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) - goto next; - else if (request_desript_type == - MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) - goto next; - if (smid) { - cb_idx = _base_get_cb_idx(ioc, smid); - if ((likely(cb_idx < MPT_MAX_CALLBACKS)) - && (likely(mpt_callbacks[cb_idx] != NULL))) { - rc = mpt_callbacks[cb_idx](ioc, smid, - msix_index, reply); - if (reply) - _base_display_reply_info(ioc, smid, - msix_index, reply); - if (rc) - mpt2sas_base_free_smid(ioc, smid); - } - } - if (!smid) - _base_async_event(ioc, msix_index, reply); - - /* reply free queue handling */ - if (reply) { - ioc->reply_free_host_index = - (ioc->reply_free_host_index == - (ioc->reply_free_queue_depth - 1)) ? - 0 : ioc->reply_free_host_index + 1; - ioc->reply_free[ioc->reply_free_host_index] = - cpu_to_le32(reply); - wmb(); - writel(ioc->reply_free_host_index, - &ioc->chip->ReplyFreeHostIndex); - } - - next: - - rpf->Words = cpu_to_le64(ULLONG_MAX); - reply_q->reply_post_host_index = - (reply_q->reply_post_host_index == - (ioc->reply_post_queue_depth - 1)) ? 0 : - reply_q->reply_post_host_index + 1; - request_desript_type = - reply_q->reply_post_free[reply_q->reply_post_host_index]. - Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; - completed_cmds++; - if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) - goto out; - if (!reply_q->reply_post_host_index) - rpf = reply_q->reply_post_free; - else - rpf++; - } while (1); - - out: - - if (!completed_cmds) { - atomic_dec(&reply_q->busy); - return IRQ_NONE; - } - wmb(); - if (ioc->is_warpdrive) { - writel(reply_q->reply_post_host_index, - ioc->reply_post_host_index[msix_index]); - atomic_dec(&reply_q->busy); - return IRQ_HANDLED; - } - writel(reply_q->reply_post_host_index | (msix_index << - MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); - atomic_dec(&reply_q->busy); - return IRQ_HANDLED; -} - -/** - * _base_is_controller_msix_enabled - is controller support muli-reply queues - * @ioc: per adapter object - * - */ -static inline int -_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) -{ - return (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; -} - -/** - * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues - * @ioc: per adapter object - * Context: ISR conext - * - * Called when a Task Management request has completed. We want - * to flush the other reply queues so all the outstanding IO has been - * completed back to OS before we process the TM completetion. - * - * Return nothing. - */ -void -mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) -{ - struct adapter_reply_queue *reply_q; - - /* If MSIX capability is turned off - * then multi-queues are not enabled - */ - if (!_base_is_controller_msix_enabled(ioc)) - return; - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - if (ioc->shost_recovery) - return; - /* TMs are on msix_index == 0 */ - if (reply_q->msix_index == 0) - continue; - _base_interrupt(reply_q->vector, (void *)reply_q); - } -} - -/** - * mpt2sas_base_release_callback_handler - clear interrupt callback handler - * @cb_idx: callback index - * - * Return nothing. - */ -void -mpt2sas_base_release_callback_handler(u8 cb_idx) -{ - mpt_callbacks[cb_idx] = NULL; -} - -/** - * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler - * @cb_func: callback function - * - * Returns cb_func. - */ -u8 -mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) -{ - u8 cb_idx; - - for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) - if (mpt_callbacks[cb_idx] == NULL) - break; - - mpt_callbacks[cb_idx] = cb_func; - return cb_idx; -} - -/** - * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler - * - * Return nothing. - */ -void -mpt2sas_base_initialize_callback_handler(void) -{ - u8 cb_idx; - - for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) - mpt2sas_base_release_callback_handler(cb_idx); -} - -/** - * mpt2sas_base_build_zero_len_sge - build zero length sg entry - * @ioc: per adapter object - * @paddr: virtual address for SGE - * - * Create a zero length scatter gather entry to insure the IOCs hardware has - * something to use if the target device goes brain dead and tries - * to send data even when none is asked for. - * - * Return nothing. - */ -void -mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) -{ - u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | - MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << - MPI2_SGE_FLAGS_SHIFT); - ioc->base_add_sg_single(paddr, flags_length, -1); -} - -/** - * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. - * @paddr: virtual address for SGE - * @flags_length: SGE flags and data transfer length - * @dma_addr: Physical address - * - * Return nothing. - */ -static void -_base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) -{ - Mpi2SGESimple32_t *sgel = paddr; - - flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | - MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; - sgel->FlagsLength = cpu_to_le32(flags_length); - sgel->Address = cpu_to_le32(dma_addr); -} - - -/** - * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. - * @paddr: virtual address for SGE - * @flags_length: SGE flags and data transfer length - * @dma_addr: Physical address - * - * Return nothing. - */ -static void -_base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) -{ - Mpi2SGESimple64_t *sgel = paddr; - - flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | - MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; - sgel->FlagsLength = cpu_to_le32(flags_length); - sgel->Address = cpu_to_le64(dma_addr); -} - -#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) - -/** - * _base_config_dma_addressing - set dma addressing - * @ioc: per adapter object - * @pdev: PCI device struct - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) -{ - struct sysinfo s; - u64 consistent_dma_mask; - - if (ioc->dma_mask) - consistent_dma_mask = DMA_BIT_MASK(64); - else - consistent_dma_mask = DMA_BIT_MASK(32); - - if (sizeof(dma_addr_t) > 4) { - const uint64_t required_mask = - dma_get_required_mask(&pdev->dev); - if ((required_mask > DMA_BIT_MASK(32)) && - !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && - !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) { - ioc->base_add_sg_single = &_base_add_sg_single_64; - ioc->sge_size = sizeof(Mpi2SGESimple64_t); - ioc->dma_mask = 64; - goto out; - } - } - - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) - && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - ioc->base_add_sg_single = &_base_add_sg_single_32; - ioc->sge_size = sizeof(Mpi2SGESimple32_t); - ioc->dma_mask = 32; - } else - return -ENODEV; - - out: - si_meminfo(&s); - printk(MPT2SAS_INFO_FMT - "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n", - ioc->name, ioc->dma_mask, convert_to_kb(s.totalram)); - - return 0; -} - -static int -_base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc, - struct pci_dev *pdev) -{ - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) - return -ENODEV; - } - return 0; -} -/** - * _base_check_enable_msix - checks MSIX capabable. - * @ioc: per adapter object - * - * Check to see if card is capable of MSIX, and set number - * of available msix vectors - */ -static int -_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - int base; - u16 message_control; - - - /* Check whether controller SAS2008 B0 controller, - if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ - if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && - ioc->pdev->revision == 0x01) { - return -EINVAL; - } - - base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); - if (!base) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " - "supported\n", ioc->name)); - return -EINVAL; - } - - /* get msix vector count */ - /* NUMA_IO not supported for older controllers */ - if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || - ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) - ioc->msix_vector_count = 1; - else { - pci_read_config_word(ioc->pdev, base + 2, &message_control); - ioc->msix_vector_count = (message_control & 0x3FF) + 1; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " - "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); - - return 0; -} - -/** - * _base_free_irq - free irq - * @ioc: per adapter object - * - * Freeing respective reply_queue from the list. - */ -static void -_base_free_irq(struct MPT2SAS_ADAPTER *ioc) -{ - struct adapter_reply_queue *reply_q, *next; - - if (list_empty(&ioc->reply_queue_list)) - return; - - list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { - list_del(&reply_q->list); - irq_set_affinity_hint(reply_q->vector, NULL); - free_cpumask_var(reply_q->affinity_hint); - synchronize_irq(reply_q->vector); - free_irq(reply_q->vector, reply_q); - kfree(reply_q); - } -} - -/** - * _base_request_irq - request irq - * @ioc: per adapter object - * @index: msix index into vector table - * @vector: irq vector - * - * Inserting respective reply_queue into the list. - */ -static int -_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) -{ - struct adapter_reply_queue *reply_q; - int r; - - reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); - if (!reply_q) { - printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", - ioc->name, (int)sizeof(struct adapter_reply_queue)); - return -ENOMEM; - } - reply_q->ioc = ioc; - reply_q->msix_index = index; - reply_q->vector = vector; - - if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) - return -ENOMEM; - cpumask_clear(reply_q->affinity_hint); - - atomic_set(&reply_q->busy, 0); - if (ioc->msix_enable) - snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", - MPT2SAS_DRIVER_NAME, ioc->id, index); - else - snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", - MPT2SAS_DRIVER_NAME, ioc->id); - r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, - reply_q); - if (r) { - printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", - reply_q->name, vector); - kfree(reply_q); - return -EBUSY; - } - - INIT_LIST_HEAD(&reply_q->list); - list_add_tail(&reply_q->list, &ioc->reply_queue_list); - return 0; -} - -/** - * _base_assign_reply_queues - assigning msix index for each cpu - * @ioc: per adapter object - * - * The enduser would need to set the affinity via /proc/irq/#/smp_affinity - * - * It would nice if we could call irq_set_affinity, however it is not - * an exported symbol - */ -static void -_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned int cpu, nr_cpus, nr_msix, index = 0; - struct adapter_reply_queue *reply_q; - - if (!_base_is_controller_msix_enabled(ioc)) - return; - - memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); - - nr_cpus = num_online_cpus(); - nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count, - ioc->facts.MaxMSIxVectors); - if (!nr_msix) - return; - - cpu = cpumask_first(cpu_online_mask); - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - - unsigned int i, group = nr_cpus / nr_msix; - - if (cpu >= nr_cpus) - break; - - if (index < nr_cpus % nr_msix) - group++; - - for (i = 0 ; i < group ; i++) { - ioc->cpu_msix_table[cpu] = index; - cpumask_or(reply_q->affinity_hint, - reply_q->affinity_hint, get_cpu_mask(cpu)); - cpu = cpumask_next(cpu, cpu_online_mask); - } - - if (irq_set_affinity_hint(reply_q->vector, - reply_q->affinity_hint)) - dinitprintk(ioc, pr_info(MPT2SAS_FMT - "error setting affinity hint for irq vector %d\n", - ioc->name, reply_q->vector)); - index++; - } -} - -/** - * _base_disable_msix - disables msix - * @ioc: per adapter object - * - */ -static void -_base_disable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->msix_enable) { - pci_disable_msix(ioc->pdev); - ioc->msix_enable = 0; - } -} - -/** - * _base_enable_msix - enables msix, failback to io_apic - * @ioc: per adapter object - * - */ -static int -_base_enable_msix(struct MPT2SAS_ADAPTER *ioc) -{ - struct msix_entry *entries, *a; - int r; - int i; - u8 try_msix = 0; - - if (msix_disable == -1 || msix_disable == 0) - try_msix = 1; - - if (!try_msix) - goto try_ioapic; - - if (_base_check_enable_msix(ioc) != 0) - goto try_ioapic; - - ioc->reply_queue_count = min_t(int, ioc->cpu_count, - ioc->msix_vector_count); - - if (!ioc->rdpq_array_enable && max_msix_vectors == -1) - max_msix_vectors = 8; - - if (max_msix_vectors > 0) { - ioc->reply_queue_count = min_t(int, max_msix_vectors, - ioc->reply_queue_count); - ioc->msix_vector_count = ioc->reply_queue_count; - } else if (max_msix_vectors == 0) - goto try_ioapic; - - printk(MPT2SAS_INFO_FMT - "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n", - ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors); - - entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), - GFP_KERNEL); - if (!entries) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " - "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, - __LINE__, __func__)); - goto try_ioapic; - } - - for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) - a->entry = i; - - r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count); - if (r) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT - "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r)); - kfree(entries); - goto try_ioapic; - } - - ioc->msix_enable = 1; - for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { - r = _base_request_irq(ioc, i, a->vector); - if (r) { - _base_free_irq(ioc); - _base_disable_msix(ioc); - kfree(entries); - goto try_ioapic; - } - } - - kfree(entries); - return 0; - -/* failback to io_apic interrupt routing */ - try_ioapic: - - ioc->reply_queue_count = 1; - r = _base_request_irq(ioc, 0, ioc->pdev->irq); - - return r; -} - -/** - * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) -{ - struct pci_dev *pdev = ioc->pdev; - u32 memap_sz; - u32 pio_sz; - int i, r = 0; - u64 pio_chip = 0; - u64 chip_phys = 0; - struct adapter_reply_queue *reply_q; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", - ioc->name, __func__)); - - ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_mem(pdev)) { - printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " - "failed\n", ioc->name); - ioc->bars = 0; - return -ENODEV; - } - - - if (pci_request_selected_regions(pdev, ioc->bars, - MPT2SAS_DRIVER_NAME)) { - printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " - "failed\n", ioc->name); - ioc->bars = 0; - r = -ENODEV; - goto out_fail; - } - - /* AER (Advanced Error Reporting) hooks */ - pci_enable_pcie_error_reporting(pdev); - - pci_set_master(pdev); - - if (_base_config_dma_addressing(ioc, pdev) != 0) { - printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", - ioc->name, pci_name(pdev)); - r = -ENODEV; - goto out_fail; - } - - for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) && - (!memap_sz || !pio_sz); i++) { - if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { - if (pio_sz) - continue; - pio_chip = (u64)pci_resource_start(pdev, i); - pio_sz = pci_resource_len(pdev, i); - } else { - if (memap_sz) - continue; - /* verify memory resource is valid before using */ - if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { - ioc->chip_phys = pci_resource_start(pdev, i); - chip_phys = (u64)ioc->chip_phys; - memap_sz = pci_resource_len(pdev, i); - ioc->chip = ioremap(ioc->chip_phys, memap_sz); - } - } - } - - if (ioc->chip == NULL) { - printk(MPT2SAS_ERR_FMT "unable to map adapter memory! " - "or resource not found\n", ioc->name); - r = -EINVAL; - goto out_fail; - } - - _base_mask_interrupts(ioc); - - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out_fail; - - if (!ioc->rdpq_array_enable_assigned) { - ioc->rdpq_array_enable = ioc->rdpq_array_capable; - ioc->rdpq_array_enable_assigned = 1; - } - - r = _base_enable_msix(ioc); - if (r) - goto out_fail; - - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) - printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", - reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : - "IO-APIC enabled"), reply_q->vector); - - printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", - ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); - printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", - ioc->name, (unsigned long long)pio_chip, pio_sz); - - /* Save PCI configuration state for recovery from PCI AER/EEH errors */ - pci_save_state(pdev); - - return 0; - - out_fail: - if (ioc->chip_phys) - iounmap(ioc->chip); - ioc->chip_phys = 0; - pci_release_selected_regions(ioc->pdev, ioc->bars); - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); - return r; -} - -/** - * mpt2sas_base_get_msg_frame - obtain request mf pointer - * @ioc: per adapter object - * @smid: system request message index(smid zero is invalid) - * - * Returns virt pointer to message frame. - */ -void * -mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return (void *)(ioc->request + (smid * ioc->request_sz)); -} - -/** - * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request - * @ioc: per adapter object - * @smid: system request message index - * - * Returns virt pointer to sense buffer. - */ -void * -mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); -} - -/** - * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request - * @ioc: per adapter object - * @smid: system request message index - * - * Returns phys pointer to the low 32bit address of the sense buffer. - */ -__le32 -mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return cpu_to_le32(ioc->sense_dma + - ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); -} - -/** - * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address - * @ioc: per adapter object - * @phys_addr: lower 32 physical addr of the reply - * - * Converts 32bit lower physical addr into a virt address. - */ -void * -mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) -{ - if (!phys_addr) - return NULL; - return ioc->reply + (phys_addr - (u32)ioc->reply_dma); -} - -/** - * mpt2sas_base_get_smid - obtain a free smid from internal queue - * @ioc: per adapter object - * @cb_idx: callback index - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) -{ - unsigned long flags; - struct request_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->internal_free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - printk(MPT2SAS_ERR_FMT "%s: smid not available\n", - ioc->name, __func__); - return 0; - } - - request = list_entry(ioc->internal_free_list.next, - struct request_tracker, tracker_list); - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue - * @ioc: per adapter object - * @cb_idx: callback index - * @scmd: pointer to scsi command object - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, - struct scsi_cmnd *scmd) -{ - unsigned long flags; - struct scsiio_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - printk(MPT2SAS_ERR_FMT "%s: smid not available\n", - ioc->name, __func__); - return 0; - } - - request = list_entry(ioc->free_list.next, - struct scsiio_tracker, tracker_list); - request->scmd = scmd; - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue - * @ioc: per adapter object - * @cb_idx: callback index - * - * Returns smid (zero is invalid) - */ -u16 -mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) -{ - unsigned long flags; - struct request_tracker *request; - u16 smid; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->hpr_free_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return 0; - } - - request = list_entry(ioc->hpr_free_list.next, - struct request_tracker, tracker_list); - request->cb_idx = cb_idx; - smid = request->smid; - list_del(&request->tracker_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - - -/** - * mpt2sas_base_free_smid - put smid back on free_list - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - unsigned long flags; - int i; - struct chain_tracker *chain_req, *next; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (smid < ioc->hi_priority_smid) { - /* scsiio queue */ - i = smid - 1; - if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { - list_for_each_entry_safe(chain_req, next, - &ioc->scsi_lookup[i].chain_list, tracker_list) { - list_del_init(&chain_req->tracker_list); - list_add(&chain_req->tracker_list, - &ioc->free_chain_list); - } - } - ioc->scsi_lookup[i].cb_idx = 0xFF; - ioc->scsi_lookup[i].scmd = NULL; - ioc->scsi_lookup[i].direct_io = 0; - list_add(&ioc->scsi_lookup[i].tracker_list, - &ioc->free_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - /* - * See _wait_for_commands_to_complete() call with regards - * to this code. - */ - if (ioc->shost_recovery && ioc->pending_io_count) { - if (ioc->pending_io_count == 1) - wake_up(&ioc->reset_wq); - ioc->pending_io_count--; - } - return; - } else if (smid < ioc->internal_smid) { - /* hi-priority */ - i = smid - ioc->hi_priority_smid; - ioc->hpr_lookup[i].cb_idx = 0xFF; - list_add(&ioc->hpr_lookup[i].tracker_list, - &ioc->hpr_free_list); - } else if (smid <= ioc->hba_queue_depth) { - /* internal queue */ - i = smid - ioc->internal_smid; - ioc->internal_lookup[i].cb_idx = 0xFF; - list_add(&ioc->internal_lookup[i].tracker_list, - &ioc->internal_free_list); - } - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); -} - -/** - * _base_writeq - 64 bit write to MMIO - * @ioc: per adapter object - * @b: data payload - * @addr: address in MMIO space - * @writeq_lock: spin lock - * - * Glue for handling an atomic 64 bit word to MMIO. This special handling takes - * care of 32 bit environment where its not quarenteed to send the entire word - * in one transfer. - */ -#ifndef writeq -static inline void _base_writeq(__u64 b, volatile void __iomem *addr, - spinlock_t *writeq_lock) -{ - unsigned long flags; - __u64 data_out = cpu_to_le64(b); - - spin_lock_irqsave(writeq_lock, flags); - writel((u32)(data_out), addr); - writel((u32)(data_out >> 32), (addr + 4)); - spin_unlock_irqrestore(writeq_lock, flags); -} -#else -static inline void _base_writeq(__u64 b, volatile void __iomem *addr, - spinlock_t *writeq_lock) -{ - writeq(cpu_to_le64(b), addr); -} -#endif - -static inline u8 -_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) -{ - return ioc->cpu_msix_table[raw_smp_processor_id()]; -} - -/** - * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware - * @ioc: per adapter object - * @smid: system request message index - * @handle: device handle - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - - descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; - descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); - descriptor.SCSIIO.SMID = cpu_to_le16(smid); - descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); - descriptor.SCSIIO.LMID = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - - -/** - * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.HighPriority.RequestFlags = - MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; - descriptor.HighPriority.MSIxIndex = 0; - descriptor.HighPriority.SMID = cpu_to_le16(smid); - descriptor.HighPriority.LMID = 0; - descriptor.HighPriority.Reserved1 = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * mpt2sas_base_put_smid_default - Default, primarily used for config pages - * @ioc: per adapter object - * @smid: system request message index - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; - descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); - descriptor.Default.SMID = cpu_to_le16(smid); - descriptor.Default.LMID = 0; - descriptor.Default.DescriptorTypeDependent = 0; - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware - * @ioc: per adapter object - * @smid: system request message index - * @io_index: value used to track the IO - * - * Return nothing. - */ -void -mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u16 io_index) -{ - Mpi2RequestDescriptorUnion_t descriptor; - u64 *request = (u64 *)&descriptor; - - descriptor.SCSITarget.RequestFlags = - MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; - descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); - descriptor.SCSITarget.SMID = cpu_to_le16(smid); - descriptor.SCSITarget.LMID = 0; - descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); - _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, - &ioc->scsi_lookup_lock); -} - -/** - * _base_display_dell_branding - Disply branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) -{ - char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; - - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) - return; - - memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: - strncpy(dell_branding, - MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_PERC_H200_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - case MPT2SAS_DELL_6GBPS_SAS_SSDID: - strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, - MPT2SAS_DELL_BRANDING_SIZE - 1); - break; - default: - sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); - break; - } - - printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," - " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, - ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, - ioc->pdev->subsystem_device); -} - -/** - * _base_display_intel_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) - return; - - switch (ioc->pdev->device) { - case MPI2_MFGPAGE_DEVID_SAS2008: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_INTEL_RMS2LL080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS2LL080_BRANDING); - break; - case MPT2SAS_INTEL_RMS2LL040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS2LL040_BRANDING); - break; - case MPT2SAS_INTEL_SSD910_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_SSD910_BRANDING); - break; - default: - break; - } - case MPI2_MFGPAGE_DEVID_SAS2308_2: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_INTEL_RS25GB008_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RS25GB008_BRANDING); - break; - case MPT2SAS_INTEL_RMS25JB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25JB080_BRANDING); - break; - case MPT2SAS_INTEL_RMS25JB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25JB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25KB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25KB080_BRANDING); - break; - case MPT2SAS_INTEL_RMS25KB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25KB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25LB040_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25LB040_BRANDING); - break; - case MPT2SAS_INTEL_RMS25LB080_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_INTEL_RMS25LB080_BRANDING); - break; - default: - break; - } - default: - break; - } -} - -/** - * _base_display_hp_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) - return; - - switch (ioc->pdev->device) { - case MPI2_MFGPAGE_DEVID_SAS2004: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); - break; - default: - break; - } - case MPI2_MFGPAGE_DEVID_SAS2308_2: - switch (ioc->pdev->subsystem_device) { - case MPT2SAS_HP_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_2_4_INTERNAL_BRANDING); - break; - case MPT2SAS_HP_2_4_EXTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_2_4_EXTERNAL_BRANDING); - break; - case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); - break; - case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); - break; - default: - break; - } - default: - break; - } -} - -/** - * _base_display_ioc_capabilities - Disply IOC's capabilities. - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) -{ - int i = 0; - char desc[16]; - u32 iounit_pg1_flags; - u32 bios_version; - - bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - strncpy(desc, ioc->manu_pg0.ChipName, 16); - printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " - "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", - ioc->name, desc, - (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, - (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, - (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, - ioc->facts.FWVersion.Word & 0x000000FF, - ioc->pdev->revision, - (bios_version & 0xFF000000) >> 24, - (bios_version & 0x00FF0000) >> 16, - (bios_version & 0x0000FF00) >> 8, - bios_version & 0x000000FF); - - _base_display_dell_branding(ioc); - _base_display_intel_branding(ioc); - _base_display_hp_branding(ioc); - - printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); - - if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { - printk("Initiator"); - i++; - } - - if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { - printk("%sTarget", i ? "," : ""); - i++; - } - - i = 0; - printk("), "); - printk("Capabilities=("); - - if (!ioc->hide_ir_msg) { - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { - printk("Raid"); - i++; - } - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { - printk("%sTLR", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { - printk("%sMulticast", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { - printk("%sBIDI Target", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { - printk("%sEEDP", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { - printk("%sSnapshot Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { - printk("%sDiag Trace Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { - printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); - i++; - } - - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { - printk("%sTask Set Full", i ? "," : ""); - i++; - } - - iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); - if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { - printk("%sNCQ", i ? "," : ""); - i++; - } - - printk(")\n"); -} - -/** - * mpt2sas_base_update_missing_delay - change the missing delay timers - * @ioc: per adapter object - * @device_missing_delay: amount of time till device is reported missing - * @io_missing_delay: interval IO is returned when there is a missing device - * - * Return nothing. - * - * Passed on the command line, this function will modify the device missing - * delay, as well as the io missing delay. This should be called at driver - * load time. - */ -void -mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, - u16 device_missing_delay, u8 io_missing_delay) -{ - u16 dmd, dmd_new, dmd_orignal; - u8 io_missing_delay_original; - u16 sz; - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2ConfigReply_t mpi_reply; - u8 num_phys = 0; - u16 ioc_status; - - mpt2sas_config_get_number_hba_phys(ioc, &num_phys); - if (!num_phys) - return; - - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * - sizeof(Mpi2SasIOUnit1PhyData_t)); - sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg1) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, - sas_iounit_pg1, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - /* device missing delay */ - dmd = sas_iounit_pg1->ReportDeviceMissingDelay; - if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - dmd_orignal = dmd; - if (device_missing_delay > 0x7F) { - dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : - device_missing_delay; - dmd = dmd / 16; - dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; - } else - dmd = device_missing_delay; - sas_iounit_pg1->ReportDeviceMissingDelay = dmd; - - /* io missing delay */ - io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; - sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; - - if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, - sz)) { - if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - dmd_new = (dmd & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - dmd_new = - dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " - "new(%d)\n", ioc->name, dmd_orignal, dmd_new); - printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " - "new(%d)\n", ioc->name, io_missing_delay_original, - io_missing_delay); - ioc->device_missing_delay = dmd_new; - ioc->io_missing_delay = io_missing_delay; - } - -out: - kfree(sas_iounit_pg1); -} - -/** - * _base_static_config_pages - static start of day config pages - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ConfigReply_t mpi_reply; - u32 iounit_pg1_flags; - - mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); - if (ioc->ir_firmware) - mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, - &ioc->manu_pg10); - mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); - mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); - mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); - mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); - mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); - mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8); - _base_display_ioc_capabilities(ioc); - - /* - * Enable task_set_full handling in iounit_pg1 when the - * facts capabilities indicate that its supported. - */ - iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); - if ((ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) - iounit_pg1_flags &= - ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; - else - iounit_pg1_flags |= - MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; - ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); - mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); - - if (ioc->iounit_pg8.NumSensors) - ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors; -} - -/** - * _base_release_memory_pools - release memory - * @ioc: per adapter object - * - * Free memory allocated from _base_allocate_memory_pools. - * - * Return nothing. - */ -static void -_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) -{ - int i = 0; - struct reply_post_struct *rps; - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->request) { - pci_free_consistent(ioc->pdev, ioc->request_dma_sz, - ioc->request, ioc->request_dma); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" - ": free\n", ioc->name, ioc->request)); - ioc->request = NULL; - } - - if (ioc->sense) { - pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); - if (ioc->sense_dma_pool) - pci_pool_destroy(ioc->sense_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" - ": free\n", ioc->name, ioc->sense)); - ioc->sense = NULL; - } - - if (ioc->reply) { - pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); - if (ioc->reply_dma_pool) - pci_pool_destroy(ioc->reply_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" - ": free\n", ioc->name, ioc->reply)); - ioc->reply = NULL; - } - - if (ioc->reply_free) { - pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, - ioc->reply_free_dma); - if (ioc->reply_free_dma_pool) - pci_pool_destroy(ioc->reply_free_dma_pool); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" - "(0x%p): free\n", ioc->name, ioc->reply_free)); - ioc->reply_free = NULL; - } - - if (ioc->reply_post) { - do { - rps = &ioc->reply_post[i]; - if (rps->reply_post_free) { - pci_pool_free( - ioc->reply_post_free_dma_pool, - rps->reply_post_free, - rps->reply_post_free_dma); - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply_post_free_pool(0x%p): free\n", - ioc->name, rps->reply_post_free)); - rps->reply_post_free = NULL; - } - } while (ioc->rdpq_array_enable && - (++i < ioc->reply_queue_count)); - - if (ioc->reply_post_free_dma_pool) - pci_pool_destroy(ioc->reply_post_free_dma_pool); - kfree(ioc->reply_post); - } - - if (ioc->config_page) { - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT - "config_page(0x%p): free\n", ioc->name, - ioc->config_page)); - pci_free_consistent(ioc->pdev, ioc->config_page_sz, - ioc->config_page, ioc->config_page_dma); - } - - if (ioc->scsi_lookup) { - free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); - ioc->scsi_lookup = NULL; - } - kfree(ioc->hpr_lookup); - kfree(ioc->internal_lookup); - if (ioc->chain_lookup) { - for (i = 0; i < ioc->chain_depth; i++) { - if (ioc->chain_lookup[i].chain_buffer) - pci_pool_free(ioc->chain_dma_pool, - ioc->chain_lookup[i].chain_buffer, - ioc->chain_lookup[i].chain_buffer_dma); - } - if (ioc->chain_dma_pool) - pci_pool_destroy(ioc->chain_dma_pool); - free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); - ioc->chain_lookup = NULL; - } -} - - -/** - * _base_allocate_memory_pools - allocate start of day memory pools - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 success, anything else error - */ -static int -_base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - struct mpt2sas_facts *facts; - u16 max_sge_elements; - u16 chains_needed_per_io; - u32 sz, total_sz, reply_post_free_sz; - u32 retry_sz; - u16 max_request_credit; - int i; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - retry_sz = 0; - facts = &ioc->facts; - - /* command line tunables for max sgl entries */ - if (max_sgl_entries != -1) { - ioc->shost->sg_tablesize = min_t(unsigned short, - max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS); - if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH) - printk(MPT2SAS_WARN_FMT - "sg_tablesize(%u) is bigger than kernel defined" - " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, - ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH); - } else { - ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; - } - - /* command line tunables for max controller queue depth */ - if (max_queue_depth != -1 && max_queue_depth != 0) { - max_request_credit = min_t(u16, max_queue_depth + - ioc->hi_priority_depth + ioc->internal_depth, - facts->RequestCredit); - if (max_request_credit > MAX_HBA_QUEUE_DEPTH) - max_request_credit = MAX_HBA_QUEUE_DEPTH; - } else - max_request_credit = min_t(u16, facts->RequestCredit, - MAX_HBA_QUEUE_DEPTH); - - ioc->hba_queue_depth = max_request_credit; - ioc->hi_priority_depth = facts->HighPriorityCredit; - ioc->internal_depth = ioc->hi_priority_depth + 5; - - /* request frame size */ - ioc->request_sz = facts->IOCRequestFrameSize * 4; - - /* reply frame size */ - ioc->reply_sz = facts->ReplyFrameSize * 4; - - retry_allocation: - total_sz = 0; - /* calculate number of sg elements left over in the 1st frame */ - max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - - sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); - ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; - - /* now do the same for a chain buffer */ - max_sge_elements = ioc->request_sz - ioc->sge_size; - ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; - - ioc->chain_offset_value_for_main_message = - ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + - (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; - - /* - * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE - */ - chains_needed_per_io = ((ioc->shost->sg_tablesize - - ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) - + 1; - if (chains_needed_per_io > facts->MaxChainDepth) { - chains_needed_per_io = facts->MaxChainDepth; - ioc->shost->sg_tablesize = min_t(u16, - ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message - * chains_needed_per_io), ioc->shost->sg_tablesize); - } - ioc->chains_needed_per_io = chains_needed_per_io; - - /* reply free queue sizing - taking into account for 64 FW events */ - ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; - - /* calculate reply descriptor post queue depth */ - ioc->reply_post_queue_depth = ioc->hba_queue_depth + - ioc->reply_free_queue_depth + 1; - /* align the reply post queue on the next 16 count boundary */ - if (ioc->reply_post_queue_depth % 16) - ioc->reply_post_queue_depth += 16 - - (ioc->reply_post_queue_depth % 16); - - - if (ioc->reply_post_queue_depth > - facts->MaxReplyDescriptorPostQueueDepth) { - ioc->reply_post_queue_depth = - facts->MaxReplyDescriptorPostQueueDepth - - (facts->MaxReplyDescriptorPostQueueDepth % 16); - ioc->hba_queue_depth = - ((ioc->reply_post_queue_depth - 64) / 2) - 1; - ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; - } - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " - "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " - "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, - ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, - ioc->chains_needed_per_io)); - - /* reply post queue, 16 byte align */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - - sz = reply_post_free_sz; - if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable) - sz *= ioc->reply_queue_count; - - ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ? - (ioc->reply_queue_count):1, - sizeof(struct reply_post_struct), GFP_KERNEL); - - if (!ioc->reply_post) { - printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", - ioc->pdev, sz, 16, 0); - if (!ioc->reply_post_free_dma_pool) { - printk(MPT2SAS_ERR_FMT - "reply_post_free pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - i = 0; - do { - ioc->reply_post[i].reply_post_free = - pci_pool_alloc(ioc->reply_post_free_dma_pool, - GFP_KERNEL, - &ioc->reply_post[i].reply_post_free_dma); - if (!ioc->reply_post[i].reply_post_free) { - printk(MPT2SAS_ERR_FMT - "reply_post_free pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - memset(ioc->reply_post[i].reply_post_free, 0, sz); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply post free pool (0x%p): depth(%d)," - "element_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->reply_post[i].reply_post_free, - ioc->reply_post_queue_depth, 8, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "reply_post_free_dma = (0x%llx)\n", ioc->name, - (unsigned long long) - ioc->reply_post[i].reply_post_free_dma)); - total_sz += sz; - } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); - - if (ioc->dma_mask == 64) { - if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) { - printk(MPT2SAS_WARN_FMT - "no suitable consistent DMA mask for %s\n", - ioc->name, pci_name(ioc->pdev)); - goto out; - } - } - - ioc->scsiio_depth = ioc->hba_queue_depth - - ioc->hi_priority_depth - ioc->internal_depth; - - /* set the scsi host can_queue depth - * with some internal commands that could be outstanding - */ - ioc->shost->can_queue = ioc->scsiio_depth; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " - "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); - - /* contiguous pool for request and chains, 16 byte align, one extra " - * "frame for smid=0 - */ - ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; - sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); - - /* hi-priority queue */ - sz += (ioc->hi_priority_depth * ioc->request_sz); - - /* internal queue */ - sz += (ioc->internal_depth * ioc->request_sz); - - ioc->request_dma_sz = sz; - ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); - if (!ioc->request) { - printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " - "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " - "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, - ioc->chains_needed_per_io, ioc->request_sz, sz/1024); - if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) - goto out; - retry_sz += 64; - ioc->hba_queue_depth = max_request_credit - retry_sz; - goto retry_allocation; - } - - if (retry_sz) - printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " - "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " - "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, - ioc->chains_needed_per_io, ioc->request_sz, sz/1024); - - - /* hi-priority queue */ - ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * - ioc->request_sz); - ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * - ioc->request_sz); - - /* internal queue */ - ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * - ioc->request_sz); - ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * - ioc->request_sz); - - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " - "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->request, ioc->hba_queue_depth, ioc->request_sz, - (ioc->hba_queue_depth * ioc->request_sz)/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", - ioc->name, (unsigned long long) ioc->request_dma)); - total_sz += sz; - - sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); - ioc->scsi_lookup_pages = get_order(sz); - ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( - GFP_KERNEL, ioc->scsi_lookup_pages); - if (!ioc->scsi_lookup) { - printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " - "sz(%d)\n", ioc->name, (int)sz); - goto out; - } - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " - "depth(%d)\n", ioc->name, ioc->request, - ioc->scsiio_depth)); - - ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); - sz = ioc->chain_depth * sizeof(struct chain_tracker); - ioc->chain_pages = get_order(sz); - - ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( - GFP_KERNEL, ioc->chain_pages); - if (!ioc->chain_lookup) { - printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " - "sz(%d)\n", ioc->name, (int)sz); - goto out; - } - ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, - ioc->request_sz, 16, 0); - if (!ioc->chain_dma_pool) { - printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " - "failed\n", ioc->name); - goto out; - } - for (i = 0; i < ioc->chain_depth; i++) { - ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( - ioc->chain_dma_pool , GFP_KERNEL, - &ioc->chain_lookup[i].chain_buffer_dma); - if (!ioc->chain_lookup[i].chain_buffer) { - ioc->chain_depth = i; - goto chain_done; - } - total_sz += ioc->request_sz; - } -chain_done: - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" - "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * - ioc->request_sz))/1024)); - - /* initialize hi-priority queue smid's */ - ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, - sizeof(struct request_tracker), GFP_KERNEL); - if (!ioc->hpr_lookup) { - printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->hi_priority_smid = ioc->scsiio_depth + 1; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " - "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, - ioc->hi_priority_depth, ioc->hi_priority_smid)); - - /* initialize internal queue smid's */ - ioc->internal_lookup = kcalloc(ioc->internal_depth, - sizeof(struct request_tracker), GFP_KERNEL); - if (!ioc->internal_lookup) { - printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", - ioc->name); - goto out; - } - ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " - "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, - ioc->internal_depth, ioc->internal_smid)); - - /* sense buffers, 4 byte align */ - sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; - ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, - 0); - if (!ioc->sense_dma_pool) { - printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, - &ioc->sense_dma); - if (!ioc->sense) { - printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "sense pool(0x%p): depth(%d), element_size(%d), pool_size" - "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, - SCSI_SENSE_BUFFERSIZE, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", - ioc->name, (unsigned long long)ioc->sense_dma)); - total_sz += sz; - - /* reply pool, 4 byte align */ - sz = ioc->reply_free_queue_depth * ioc->reply_sz; - ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, - 0); - if (!ioc->reply_dma_pool) { - printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", - ioc->name); - goto out; - } - ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, - &ioc->reply_dma); - if (!ioc->reply) { - printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", - ioc->name); - goto out; - } - ioc->reply_dma_min_address = (u32)(ioc->reply_dma); - ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" - "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, - ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", - ioc->name, (unsigned long long)ioc->reply_dma)); - total_sz += sz; - - /* reply free queue, 16 byte align */ - sz = ioc->reply_free_queue_depth * 4; - ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", - ioc->pdev, sz, 16, 0); - if (!ioc->reply_free_dma_pool) { - printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " - "failed\n", ioc->name); - goto out; - } - ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, - &ioc->reply_free_dma); - if (!ioc->reply_free) { - printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " - "failed\n", ioc->name); - goto out; - } - memset(ioc->reply_free, 0, sz); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " - "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, - ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" - "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); - total_sz += sz; - - ioc->config_page_sz = 512; - ioc->config_page = pci_alloc_consistent(ioc->pdev, - ioc->config_page_sz, &ioc->config_page_dma); - if (!ioc->config_page) { - printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " - "failed\n", ioc->name); - goto out; - } - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" - "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" - "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); - total_sz += ioc->config_page_sz; - - printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", - ioc->name, total_sz/1024); - printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " - "Max Controller Queue Depth(%d)\n", - ioc->name, ioc->shost->can_queue, facts->RequestCredit); - printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", - ioc->name, ioc->shost->sg_tablesize); - return 0; - - out: - return -ENOMEM; -} - - -/** - * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. - * @ioc: Pointer to MPT_ADAPTER structure - * @cooked: Request raw or cooked IOC state - * - * Returns all IOC Doorbell register bits if cooked==0, else just the - * Doorbell bits in MPI_IOC_STATE_MASK. - */ -u32 -mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) -{ - u32 s, sc; - - s = readl(&ioc->chip->Doorbell); - sc = s & MPI2_IOC_STATE_MASK; - return cooked ? sc : s; -} - -/** - * _base_wait_on_iocstate - waiting on a particular ioc state - * @ioc_state: controller state { READY, OPERATIONAL, or RESET } - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, - int sleep_flag) -{ - u32 count, cntdn; - u32 current_state; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - current_state = mpt2sas_base_get_iocstate(ioc, 1); - if (current_state == ioc_state) - return 0; - if (count && current_state == MPI2_IOC_STATE_FAULT) - break; - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - return current_state; -} - -/** - * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by - * a write to the doorbell) - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. - */ -static int -_base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 int_status; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - int_status = readl(&ioc->chip->HostInterruptStatus); - if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "int_status(%x)!\n", ioc->name, __func__, count, int_status); - return -EFAULT; -} - -/** - * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to - * doorbell. - */ -static int -_base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 int_status; - u32 doorbell; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - int_status = readl(&ioc->chip->HostInterruptStatus); - if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { - doorbell = readl(&ioc->chip->Doorbell); - if ((doorbell & MPI2_IOC_STATE_MASK) == - MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc , doorbell); - return -EFAULT; - } - } else if (int_status == 0xFFFFFFFF) - goto out; - - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - out: - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "int_status(%x)!\n", ioc->name, __func__, count, int_status); - return -EFAULT; -} - -/** - * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use - * @ioc: per adapter object - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -_base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 cntdn, count; - u32 doorbell_reg; - - count = 0; - cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; - do { - doorbell_reg = readl(&ioc->chip->Doorbell); - if (!(doorbell_reg & MPI2_DOORBELL_USED)) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "successful count(%d), timeout(%d)\n", ioc->name, - __func__, count, timeout)); - return 0; - } - if (sleep_flag == CAN_SLEEP) - msleep(1); - else - udelay(500); - count++; - } while (--cntdn); - - printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " - "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); - return -EFAULT; -} - -/** - * _base_send_ioc_reset - send doorbell reset - * @ioc: per adapter object - * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, - int sleep_flag) -{ - u32 ioc_state; - int r = 0; - - if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { - printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", - ioc->name, __func__); - return -EFAULT; - } - - if (!(ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) - return -EFAULT; - - printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); - - writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, - &ioc->chip->Doorbell); - if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { - r = -EFAULT; - goto out; - } - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, - timeout, sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " - " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); - r = -EFAULT; - goto out; - } - out: - printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", - ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); - return r; -} - -/** - * _base_handshake_req_reply_wait - send request thru doorbell interface - * @ioc: per adapter object - * @request_bytes: request length - * @request: pointer having request payload - * @reply_bytes: reply length - * @reply: pointer to reply payload - * @timeout: timeout in second - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, - u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) -{ - MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; - int i; - u8 failed; - u16 dummy; - __le32 *mfp; - - /* make sure doorbell is not in use */ - if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { - printk(MPT2SAS_ERR_FMT "doorbell is in use " - " (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* clear pending doorbell interrupts from previous state changes */ - if (readl(&ioc->chip->HostInterruptStatus) & - MPI2_HIS_IOC2SYS_DB_STATUS) - writel(0, &ioc->chip->HostInterruptStatus); - - /* send message to ioc */ - writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | - ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), - &ioc->chip->Doorbell); - - if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - writel(0, &ioc->chip->HostInterruptStatus); - - if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "ack failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* send message 32-bits at a time */ - for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { - writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); - if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) - failed = 1; - } - - if (failed) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "sending request failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* now wait for the reply */ - if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - - /* read the first two 16-bits, it gives the total length of the reply */ - reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell handshake " - "int failed (line=%d)\n", ioc->name, __LINE__); - return -EFAULT; - } - reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - - for (i = 2; i < default_reply->MsgLength * 2; i++) { - if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { - printk(MPT2SAS_ERR_FMT "doorbell " - "handshake int failed (line=%d)\n", ioc->name, - __LINE__); - return -EFAULT; - } - if (i >= reply_bytes/2) /* overflow case */ - dummy = readl(&ioc->chip->Doorbell); - else - reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) - & MPI2_DOORBELL_DATA_MASK); - writel(0, &ioc->chip->HostInterruptStatus); - } - - _base_wait_for_doorbell_int(ioc, 5, sleep_flag); - if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " - " (line=%d)\n", ioc->name, __LINE__)); - } - writel(0, &ioc->chip->HostInterruptStatus); - - if (ioc->logging_level & MPT_DEBUG_INIT) { - mfp = (__le32 *)reply; - printk(KERN_INFO "\toffset:data\n"); - for (i = 0; i < reply_bytes/4; i++) - printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, - le32_to_cpu(mfp[i])); - } - return 0; -} - -/** - * mpt2sas_base_sas_iounit_control - send sas iounit control to FW - * @ioc: per adapter object - * @mpi_reply: the reply payload from FW - * @mpi_request: the request payload sent to FW - * - * The SAS IO Unit Control Request message allows the host to perform low-level - * operations, such as resets on the PHYs of the IO Unit, also allows the host - * to obtain the IOC assigned device handles for a device if it has other - * identifying information about the device, in addition allows the host to - * remove IOC resources associated with the device. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, - Mpi2SasIoUnitControlReply_t *mpi_reply, - Mpi2SasIoUnitControlRequest_t *mpi_request) -{ - u16 smid; - u32 ioc_state; - unsigned long timeleft; - bool issue_reset = false; - int rc; - void *request; - u16 wait_state_count; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mutex_lock(&ioc->base_cmds.mutex); - - if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->base_cmds.status = MPT2_CMD_PENDING; - request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); - if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || - mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) - ioc->ioc_link_reset_in_progress = 1; - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, - msecs_to_jiffies(10000)); - if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || - mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && - ioc->ioc_link_reset_in_progress) - ioc->ioc_link_reset_in_progress = 0; - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SasIoUnitControlRequest_t)/4); - if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) - issue_reset = true; - goto issue_host_reset; - } - if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) - memcpy(mpi_reply, ioc->base_cmds.reply, - sizeof(Mpi2SasIoUnitControlReply_t)); - else - memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - goto out; - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - rc = -EFAULT; - out: - mutex_unlock(&ioc->base_cmds.mutex); - return rc; -} - - -/** - * mpt2sas_base_scsi_enclosure_processor - sending request to sep device - * @ioc: per adapter object - * @mpi_reply: the reply payload from FW - * @mpi_request: the request payload sent to FW - * - * The SCSI Enclosure Processor request message causes the IOC to - * communicate with SES devices to control LED status signals. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, - Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) -{ - u16 smid; - u32 ioc_state; - unsigned long timeleft; - bool issue_reset = false; - int rc; - void *request; - u16 wait_state_count; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mutex_lock(&ioc->base_cmds.mutex); - - if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->base_cmds.status = MPT2_CMD_PENDING; - request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, - msecs_to_jiffies(10000)); - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SepRequest_t)/4); - if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) - issue_reset = true; - goto issue_host_reset; - } - if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) - memcpy(mpi_reply, ioc->base_cmds.reply, - sizeof(Mpi2SepReply_t)); - else - memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - goto out; - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - rc = -EFAULT; - out: - mutex_unlock(&ioc->base_cmds.mutex); - return rc; -} - -/** - * _base_get_port_facts - obtain port facts reply and save in ioc - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) -{ - Mpi2PortFactsRequest_t mpi_request; - Mpi2PortFactsReply_t mpi_reply; - struct mpt2sas_port_facts *pfacts; - int mpi_reply_sz, mpi_request_sz, r; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); - mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); - memset(&mpi_request, 0, mpi_request_sz); - mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; - mpi_request.PortNumber = port; - r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, - (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - return r; - } - - pfacts = &ioc->pfacts[port]; - memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); - pfacts->PortNumber = mpi_reply.PortNumber; - pfacts->VP_ID = mpi_reply.VP_ID; - pfacts->VF_ID = mpi_reply.VF_ID; - pfacts->MaxPostedCmdBuffers = - le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); - - return 0; -} - -/** - * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL - * @ioc: per adapter object - * @timeout: - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout, - int sleep_flag) -{ - u32 ioc_state, doorbell; - int rc; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) - return 0; - - doorbell = mpt2sas_base_get_iocstate(ioc, 0); - ioc_state = doorbell & MPI2_IOC_STATE_MASK; - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", - ioc->name, __func__, ioc_state)); - - switch (ioc_state) { - case MPI2_IOC_STATE_READY: - case MPI2_IOC_STATE_OPERATIONAL: - return 0; - } - - if (doorbell & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT - "unexpected doorbell activ!e\n", ioc->name)); - goto issue_diag_reset; - } - - if (ioc_state == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, doorbell & - MPI2_DOORBELL_DATA_MASK); - goto issue_diag_reset; - } - - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, - timeout, sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT - "%s: failed going to ready state (ioc_state=0x%x)\n", - ioc->name, __func__, ioc_state); - return -EFAULT; - } - - issue_diag_reset: - rc = _base_diag_reset(ioc, sleep_flag); - return rc; -} - -/** - * _base_get_ioc_facts - obtain ioc facts reply and save in ioc - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2IOCFactsRequest_t mpi_request; - Mpi2IOCFactsReply_t mpi_reply; - struct mpt2sas_facts *facts; - int mpi_reply_sz, mpi_request_sz, r; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - r = _base_wait_for_iocstate(ioc, 10, sleep_flag); - if (r) { - printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n", - ioc->name, __func__); - return r; - } - - mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); - mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); - memset(&mpi_request, 0, mpi_request_sz); - mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; - r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, - (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - return r; - } - - facts = &ioc->facts; - memset(facts, 0, sizeof(struct mpt2sas_facts)); - facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); - facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); - facts->VP_ID = mpi_reply.VP_ID; - facts->VF_ID = mpi_reply.VF_ID; - facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); - facts->MaxChainDepth = mpi_reply.MaxChainDepth; - facts->WhoInit = mpi_reply.WhoInit; - facts->NumberOfPorts = mpi_reply.NumberOfPorts; - facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; - facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); - facts->MaxReplyDescriptorPostQueueDepth = - le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); - facts->ProductID = le16_to_cpu(mpi_reply.ProductID); - facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); - if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) - ioc->ir_firmware = 1; - if ((facts->IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE)) - ioc->rdpq_array_capable = 1; - facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); - facts->IOCRequestFrameSize = - le16_to_cpu(mpi_reply.IOCRequestFrameSize); - facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); - facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); - ioc->shost->max_id = -1; - facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); - facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); - facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); - facts->HighPriorityCredit = - le16_to_cpu(mpi_reply.HighPriorityCredit); - facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; - facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " - "max chains per io(%d)\n", ioc->name, facts->RequestCredit, - facts->MaxChainDepth)); - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " - "reply frame size(%d)\n", ioc->name, - facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); - return 0; -} - -/** - * _base_send_ioc_init - send ioc_init to firmware - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2IOCInitRequest_t mpi_request; - Mpi2IOCInitReply_t mpi_reply; - int i, r = 0; - struct timeval current_time; - u16 ioc_status; - u32 reply_post_free_array_sz = 0; - Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL; - dma_addr_t reply_post_free_array_dma; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); - mpi_request.Function = MPI2_FUNCTION_IOC_INIT; - mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; - mpi_request.VF_ID = 0; /* TODO */ - mpi_request.VP_ID = 0; - mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); - mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); - - if (_base_is_controller_msix_enabled(ioc)) - mpi_request.HostMSIxVectors = ioc->reply_queue_count; - mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); - mpi_request.ReplyDescriptorPostQueueDepth = - cpu_to_le16(ioc->reply_post_queue_depth); - mpi_request.ReplyFreeQueueDepth = - cpu_to_le16(ioc->reply_free_queue_depth); - - mpi_request.SenseBufferAddressHigh = - cpu_to_le32((u64)ioc->sense_dma >> 32); - mpi_request.SystemReplyAddressHigh = - cpu_to_le32((u64)ioc->reply_dma >> 32); - mpi_request.SystemRequestFrameBaseAddress = - cpu_to_le64((u64)ioc->request_dma); - mpi_request.ReplyFreeQueueAddress = - cpu_to_le64((u64)ioc->reply_free_dma); - - if (ioc->rdpq_array_enable) { - reply_post_free_array_sz = ioc->reply_queue_count * - sizeof(Mpi2IOCInitRDPQArrayEntry); - reply_post_free_array = pci_alloc_consistent(ioc->pdev, - reply_post_free_array_sz, &reply_post_free_array_dma); - if (!reply_post_free_array) { - printk(MPT2SAS_ERR_FMT - "reply_post_free_array: pci_alloc_consistent failed\n", - ioc->name); - r = -ENOMEM; - goto out; - } - memset(reply_post_free_array, 0, reply_post_free_array_sz); - for (i = 0; i < ioc->reply_queue_count; i++) - reply_post_free_array[i].RDPQBaseAddress = - cpu_to_le64( - (u64)ioc->reply_post[i].reply_post_free_dma); - mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE; - mpi_request.ReplyDescriptorPostQueueAddress = - cpu_to_le64((u64)reply_post_free_array_dma); - } else { - mpi_request.ReplyDescriptorPostQueueAddress = - cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma); - } - - /* This time stamp specifies number of milliseconds - * since epoch ~ midnight January 1, 1970. - */ - do_gettimeofday(¤t_time); - mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + - (current_time.tv_usec / 1000)); - - if (ioc->logging_level & MPT_DEBUG_INIT) { - __le32 *mfp; - int i; - - mfp = (__le32 *)&mpi_request; - printk(KERN_INFO "\toffset:data\n"); - for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) - printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, - le32_to_cpu(mfp[i])); - } - - r = _base_handshake_req_reply_wait(ioc, - sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, - sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, - sleep_flag); - - if (r != 0) { - printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", - ioc->name, __func__, r); - goto out; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS || - mpi_reply.IOCLogInfo) { - printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); - r = -EIO; - } - -out: - if (reply_post_free_array) - pci_free_consistent(ioc->pdev, reply_post_free_array_sz, - reply_post_free_array, - reply_post_free_array_dma); - return r; -} - -/** - * mpt2sas_port_enable_done - command completion routine for port enable - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - u16 ioc_status; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) - return 1; - - if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) - return 1; - - ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; - memcpy(ioc->port_enable_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - } - ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; - - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - ioc->port_enable_failed = 1; - - if (ioc->is_driver_loading) { - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - mpt2sas_port_enable_complete(ioc); - return 1; - } else { - ioc->start_scan_failed = ioc_status; - ioc->start_scan = 0; - return 1; - } - } - complete(&ioc->port_enable_cmds.done); - return 1; -} - - -/** - * _base_send_port_enable - send port_enable(discovery stuff) to firmware - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2PortEnableRequest_t *mpi_request; - Mpi2PortEnableReply_t *mpi_reply; - unsigned long timeleft; - int r = 0; - u16 smid; - u16 ioc_status; - - printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); - - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - - ioc->port_enable_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->port_enable_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); - mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; - - init_completion(&ioc->port_enable_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, - 300*HZ); - if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2PortEnableRequest_t)/4); - if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) - r = -EFAULT; - else - r = -ETIME; - goto out; - } - mpi_reply = ioc->port_enable_cmds.reply; - - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", - ioc->name, __func__, ioc_status); - r = -EFAULT; - goto out; - } - out: - ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; - printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? - "SUCCESS" : "FAILED")); - return r; -} - -/** - * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2PortEnableRequest_t *mpi_request; - u16 smid; - - printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); - - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - - ioc->port_enable_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->port_enable_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); - mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; - - mpt2sas_base_put_smid_default(ioc, smid); - return 0; -} - -/** - * _base_determine_wait_on_discovery - desposition - * @ioc: per adapter object - * - * Decide whether to wait on discovery to complete. Used to either - * locate boot device, or report volumes ahead of physical devices. - * - * Returns 1 for wait, 0 for don't wait - */ -static int -_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) -{ - /* We wait for discovery to complete if IR firmware is loaded. - * The sas topology events arrive before PD events, so we need time to - * turn on the bit in ioc->pd_handles to indicate PD - * Also, it maybe required to report Volumes ahead of physical - * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. - */ - if (ioc->ir_firmware) - return 1; - - /* if no Bios, then we don't need to wait */ - if (!ioc->bios_pg3.BiosVersion) - return 0; - - /* Bios is present, then we drop down here. - * - * If there any entries in the Bios Page 2, then we wait - * for discovery to complete. - */ - - /* Current Boot Device */ - if ((ioc->bios_pg2.CurrentBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && - /* Request Boot Device */ - (ioc->bios_pg2.ReqBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && - /* Alternate Request Boot Device */ - (ioc->bios_pg2.ReqAltBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK) == - MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) - return 0; - - return 1; -} - - -/** - * _base_unmask_events - turn on notification for this event - * @ioc: per adapter object - * @event: firmware event - * - * The mask is stored in ioc->event_masks. - */ -static void -_base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) -{ - u32 desired_event; - - if (event >= 128) - return; - - desired_event = (1 << (event % 32)); - - if (event < 32) - ioc->event_masks[0] &= ~desired_event; - else if (event < 64) - ioc->event_masks[1] &= ~desired_event; - else if (event < 96) - ioc->event_masks[2] &= ~desired_event; - else if (event < 128) - ioc->event_masks[3] &= ~desired_event; -} - -/** - * _base_event_notification - send event notification - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - Mpi2EventNotificationRequest_t *mpi_request; - unsigned long timeleft; - u16 smid; - int r = 0; - int i; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->base_cmds.status & MPT2_CMD_PENDING) { - printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", - ioc->name, __func__); - return -EAGAIN; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return -EAGAIN; - } - ioc->base_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); - mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) - mpi_request->EventMasks[i] = - cpu_to_le32(ioc->event_masks[i]); - init_completion(&ioc->base_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2EventNotificationRequest_t)/4); - if (ioc->base_cmds.status & MPT2_CMD_RESET) - r = -EFAULT; - else - r = -ETIME; - } else - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", - ioc->name, __func__)); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - return r; -} - -/** - * mpt2sas_base_validate_event_type - validating event types - * @ioc: per adapter object - * @event: firmware event - * - * This will turn on firmware event notification when application - * ask for that event. We don't mask events that are already enabled. - */ -void -mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) -{ - int i, j; - u32 event_mask, desired_event; - u8 send_update_to_fw; - - for (i = 0, send_update_to_fw = 0; i < - MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { - event_mask = ~event_type[i]; - desired_event = 1; - for (j = 0; j < 32; j++) { - if (!(event_mask & desired_event) && - (ioc->event_masks[i] & desired_event)) { - ioc->event_masks[i] &= ~desired_event; - send_update_to_fw = 1; - } - desired_event = (desired_event << 1); - } - } - - if (!send_update_to_fw) - return; - - mutex_lock(&ioc->base_cmds.mutex); - _base_event_notification(ioc, CAN_SLEEP); - mutex_unlock(&ioc->base_cmds.mutex); -} - -/** - * _base_diag_reset - the "big hammer" start of day reset - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - u32 host_diagnostic; - u32 ioc_state; - u32 count; - u32 hcb_size; - - printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", - ioc->name)); - - count = 0; - do { - /* Write magic sequence to WriteSequence register - * Loop until in diagnostic mode - */ - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " - "sequence\n", ioc->name)); - writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); - writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); - - /* wait 100 msec */ - if (sleep_flag == CAN_SLEEP) - msleep(100); - else - mdelay(100); - - if (count++ > 20) - goto out; - - host_diagnostic = readl(&ioc->chip->HostDiagnostic); - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " - "sequence: count(%d), host_diagnostic(0x%08x)\n", - ioc->name, count, host_diagnostic)); - - } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); - - hcb_size = readl(&ioc->chip->HCBSize); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", - ioc->name)); - writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, - &ioc->chip->HostDiagnostic); - - /* This delay allows the chip PCIe hardware time to finish reset tasks*/ - if (sleep_flag == CAN_SLEEP) - msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); - else - mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); - - /* Approximately 300 second max wait */ - for (count = 0; count < (300000000 / - MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { - - host_diagnostic = readl(&ioc->chip->HostDiagnostic); - - if (host_diagnostic == 0xFFFFFFFF) - goto out; - if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) - break; - - /* Wait to pass the second read delay window */ - if (sleep_flag == CAN_SLEEP) - msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC - /1000); - else - mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC - /1000); - } - - if (host_diagnostic & MPI2_DIAG_HCB_MODE) { - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " - "assuming the HCB Address points to good F/W\n", - ioc->name)); - host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; - host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; - writel(host_diagnostic, &ioc->chip->HostDiagnostic); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT - "re-enable the HCDW\n", ioc->name)); - writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, - &ioc->chip->HCBSize); - } - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", - ioc->name)); - writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, - &ioc->chip->HostDiagnostic); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " - "diagnostic register\n", ioc->name)); - writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); - - drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " - "READY state\n", ioc->name)); - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, - sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " - " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); - goto out; - } - - printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); - return 0; - - out: - printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); - return -EFAULT; -} - -/** - * _base_make_ioc_ready - put controller in READY state - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * @type: FORCE_BIG_HAMMER or SOFT_RESET - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, - enum reset_type type) -{ - u32 ioc_state; - int rc; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) - return 0; - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", - ioc->name, __func__, ioc_state)); - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) - return 0; - - if (ioc_state & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " - "active!\n", ioc->name)); - goto issue_diag_reset; - } - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, ioc_state & - MPI2_DOORBELL_DATA_MASK); - goto issue_diag_reset; - } - - if (type == FORCE_BIG_HAMMER) - goto issue_diag_reset; - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) - if (!(_base_send_ioc_reset(ioc, - MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { - ioc->ioc_reset_count++; - return 0; - } - - issue_diag_reset: - rc = _base_diag_reset(ioc, CAN_SLEEP); - ioc->ioc_reset_count++; - return rc; -} - -/** - * _base_make_ioc_operational - put controller in OPERATIONAL state - * @ioc: per adapter object - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * Returns 0 for success, non-zero for failure. - */ -static int -_base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - int r, i; - unsigned long flags; - u32 reply_address; - u16 smid; - struct _tr_list *delayed_tr, *delayed_tr_next; - u8 hide_flag; - struct adapter_reply_queue *reply_q; - long reply_post_free; - u32 reply_post_free_sz, index = 0; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* clean the delayed target reset list */ - list_for_each_entry_safe(delayed_tr, delayed_tr_next, - &ioc->delayed_tr_list, list) { - list_del(&delayed_tr->list); - kfree(delayed_tr); - } - - list_for_each_entry_safe(delayed_tr, delayed_tr_next, - &ioc->delayed_tr_volume_list, list) { - list_del(&delayed_tr->list); - kfree(delayed_tr); - } - - /* initialize the scsi lookup free list */ - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - INIT_LIST_HEAD(&ioc->free_list); - smid = 1; - for (i = 0; i < ioc->scsiio_depth; i++, smid++) { - INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); - ioc->scsi_lookup[i].cb_idx = 0xFF; - ioc->scsi_lookup[i].smid = smid; - ioc->scsi_lookup[i].scmd = NULL; - ioc->scsi_lookup[i].direct_io = 0; - list_add_tail(&ioc->scsi_lookup[i].tracker_list, - &ioc->free_list); - } - - /* hi-priority queue */ - INIT_LIST_HEAD(&ioc->hpr_free_list); - smid = ioc->hi_priority_smid; - for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { - ioc->hpr_lookup[i].cb_idx = 0xFF; - ioc->hpr_lookup[i].smid = smid; - list_add_tail(&ioc->hpr_lookup[i].tracker_list, - &ioc->hpr_free_list); - } - - /* internal queue */ - INIT_LIST_HEAD(&ioc->internal_free_list); - smid = ioc->internal_smid; - for (i = 0; i < ioc->internal_depth; i++, smid++) { - ioc->internal_lookup[i].cb_idx = 0xFF; - ioc->internal_lookup[i].smid = smid; - list_add_tail(&ioc->internal_lookup[i].tracker_list, - &ioc->internal_free_list); - } - - /* chain pool */ - INIT_LIST_HEAD(&ioc->free_chain_list); - for (i = 0; i < ioc->chain_depth; i++) - list_add_tail(&ioc->chain_lookup[i].tracker_list, - &ioc->free_chain_list); - - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - /* initialize Reply Free Queue */ - for (i = 0, reply_address = (u32)ioc->reply_dma ; - i < ioc->reply_free_queue_depth ; i++, reply_address += - ioc->reply_sz) - ioc->reply_free[i] = cpu_to_le32(reply_address); - - /* initialize reply queues */ - if (ioc->is_driver_loading) - _base_assign_reply_queues(ioc); - - /* initialize Reply Post Free Queue */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - reply_post_free = (long)ioc->reply_post[index].reply_post_free; - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - reply_q->reply_post_host_index = 0; - reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) - reply_post_free; - for (i = 0; i < ioc->reply_post_queue_depth; i++) - reply_q->reply_post_free[i].Words = - cpu_to_le64(ULLONG_MAX); - if (!_base_is_controller_msix_enabled(ioc)) - goto skip_init_reply_post_free_queue; - /* - * If RDPQ is enabled, switch to the next allocation. - * Otherwise advance within the contiguous region. - */ - if (ioc->rdpq_array_enable) - reply_post_free = (long) - ioc->reply_post[++index].reply_post_free; - else - reply_post_free += reply_post_free_sz; - } - skip_init_reply_post_free_queue: - - r = _base_send_ioc_init(ioc, sleep_flag); - if (r) - return r; - - /* initialize reply free host index */ - ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; - writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); - - /* initialize reply post host index */ - list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { - writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, - &ioc->chip->ReplyPostHostIndex); - if (!_base_is_controller_msix_enabled(ioc)) - goto skip_init_reply_post_host_index; - } - - skip_init_reply_post_host_index: - - _base_unmask_interrupts(ioc); - - r = _base_event_notification(ioc, sleep_flag); - if (r) - return r; - - if (sleep_flag == CAN_SLEEP) - _base_static_config_pages(ioc); - - - if (ioc->is_driver_loading) { - if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier - == 0x80) { - hide_flag = (u8) ( - le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & - MFG_PAGE10_HIDE_SSDS_MASK); - if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) - ioc->mfg_pg10_hide_flag = hide_flag; - } - ioc->wait_for_discovery_to_complete = - _base_determine_wait_on_discovery(ioc); - return r; /* scan_start and scan_finished support */ - } - r = _base_send_port_enable(ioc, sleep_flag); - if (r) - return r; - - return r; -} - -/** - * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) -{ - struct pci_dev *pdev = ioc->pdev; - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* synchronizing freeing resource with pci_access_mutex lock */ - mutex_lock(&ioc->pci_access_mutex); - if (ioc->chip_phys && ioc->chip) { - _base_mask_interrupts(ioc); - ioc->shost_recovery = 1; - _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); - ioc->shost_recovery = 0; - } - - _base_free_irq(ioc); - _base_disable_msix(ioc); - - if (ioc->chip_phys && ioc->chip) - iounmap(ioc->chip); - ioc->chip_phys = 0; - - if (pci_is_enabled(pdev)) { - pci_release_selected_regions(ioc->pdev, ioc->bars); - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); - } - mutex_unlock(&ioc->pci_access_mutex); - return; -} - -/** - * mpt2sas_base_attach - attach controller instance - * @ioc: per adapter object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) -{ - int r, i; - int cpu_id, last_cpu_id = 0; - - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - /* setup cpu_msix_table */ - ioc->cpu_count = num_online_cpus(); - for_each_online_cpu(cpu_id) - last_cpu_id = cpu_id; - ioc->cpu_msix_table_sz = last_cpu_id + 1; - ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); - ioc->reply_queue_count = 1; - if (!ioc->cpu_msix_table) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " - "cpu_msix_table failed!!!\n", ioc->name)); - r = -ENOMEM; - goto out_free_resources; - } - - if (ioc->is_warpdrive) { - ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, - sizeof(resource_size_t *), GFP_KERNEL); - if (!ioc->reply_post_host_index) { - dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " - "for cpu_msix_table failed!!!\n", ioc->name)); - r = -ENOMEM; - goto out_free_resources; - } - } - - ioc->rdpq_array_enable_assigned = 0; - ioc->dma_mask = 0; - r = mpt2sas_base_map_resources(ioc); - if (r) - goto out_free_resources; - - if (ioc->is_warpdrive) { - ioc->reply_post_host_index[0] = (resource_size_t __iomem *) - &ioc->chip->ReplyPostHostIndex; - - for (i = 1; i < ioc->cpu_msix_table_sz; i++) - ioc->reply_post_host_index[i] = - (resource_size_t __iomem *) - ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) - * 4))); - } - - pci_set_drvdata(ioc->pdev, ioc->shost); - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); - if (r) - goto out_free_resources; - - ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, - sizeof(struct mpt2sas_port_facts), GFP_KERNEL); - if (!ioc->pfacts) { - r = -ENOMEM; - goto out_free_resources; - } - - for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { - r = _base_get_port_facts(ioc, i, CAN_SLEEP); - if (r) - goto out_free_resources; - } - - r = _base_allocate_memory_pools(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - init_waitqueue_head(&ioc->reset_wq); - /* allocate memory pd handle bitmask list */ - ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); - if (ioc->facts.MaxDevHandle % 8) - ioc->pd_handles_sz++; - ioc->pd_handles = kzalloc(ioc->pd_handles_sz, - GFP_KERNEL); - if (!ioc->pd_handles) { - r = -ENOMEM; - goto out_free_resources; - } - ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, - GFP_KERNEL); - if (!ioc->blocking_handles) { - r = -ENOMEM; - goto out_free_resources; - } - ioc->fwfault_debug = mpt2sas_fwfault_debug; - - /* base internal command bits */ - mutex_init(&ioc->base_cmds.mutex); - ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - - /* port_enable command bits */ - ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; - - /* transport internal command bits */ - ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->transport_cmds.mutex); - - /* scsih internal command bits */ - ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->scsih_cmds.mutex); - - /* task management internal command bits */ - ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->tm_cmds.mutex); - - /* config page internal command bits */ - ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->config_cmds.mutex); - - /* ctl module internal command bits */ - ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); - ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - mutex_init(&ioc->ctl_cmds.mutex); - - if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || - !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || - !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || - !ioc->ctl_cmds.sense) { - r = -ENOMEM; - goto out_free_resources; - } - - if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || - !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || - !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { - r = -ENOMEM; - goto out_free_resources; - } - - for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) - ioc->event_masks[i] = -1; - - /* here we enable the events we care about */ - _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); - _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); - _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); - _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); - _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); - _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); - _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); - _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); - _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); - _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); - _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD); - r = _base_make_ioc_operational(ioc, CAN_SLEEP); - if (r) - goto out_free_resources; - - ioc->non_operational_loop = 0; - - return 0; - - out_free_resources: - - ioc->remove_host = 1; - mpt2sas_base_free_resources(ioc); - _base_release_memory_pools(ioc); - pci_set_drvdata(ioc->pdev, NULL); - kfree(ioc->cpu_msix_table); - if (ioc->is_warpdrive) - kfree(ioc->reply_post_host_index); - kfree(ioc->pd_handles); - kfree(ioc->blocking_handles); - kfree(ioc->tm_cmds.reply); - kfree(ioc->transport_cmds.reply); - kfree(ioc->scsih_cmds.reply); - kfree(ioc->config_cmds.reply); - kfree(ioc->base_cmds.reply); - kfree(ioc->port_enable_cmds.reply); - kfree(ioc->ctl_cmds.reply); - kfree(ioc->ctl_cmds.sense); - kfree(ioc->pfacts); - ioc->ctl_cmds.reply = NULL; - ioc->base_cmds.reply = NULL; - ioc->tm_cmds.reply = NULL; - ioc->scsih_cmds.reply = NULL; - ioc->transport_cmds.reply = NULL; - ioc->config_cmds.reply = NULL; - ioc->pfacts = NULL; - return r; -} - - -/** - * mpt2sas_base_detach - remove controller instance - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) -{ - - dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - mpt2sas_base_stop_watchdog(ioc); - mpt2sas_base_free_resources(ioc); - _base_release_memory_pools(ioc); - pci_set_drvdata(ioc->pdev, NULL); - kfree(ioc->cpu_msix_table); - if (ioc->is_warpdrive) - kfree(ioc->reply_post_host_index); - kfree(ioc->pd_handles); - kfree(ioc->blocking_handles); - kfree(ioc->pfacts); - kfree(ioc->ctl_cmds.reply); - kfree(ioc->ctl_cmds.sense); - kfree(ioc->base_cmds.reply); - kfree(ioc->port_enable_cmds.reply); - kfree(ioc->tm_cmds.reply); - kfree(ioc->transport_cmds.reply); - kfree(ioc->scsih_cmds.reply); - kfree(ioc->config_cmds.reply); -} - -/** - * _base_reset_handler - reset callback handler (for base) - * @ioc: per adapter object - * @reset_phase: phase - * - * The handler for doing any required cleanup or initialization. - * - * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, - * MPT2_IOC_DONE_RESET - * - * Return nothing. - */ -static void -_base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - mpt2sas_scsih_reset_handler(ioc, reset_phase); - mpt2sas_ctl_reset_handler(ioc, reset_phase); - switch (reset_phase) { - case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - break; - case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { - ioc->transport_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); - complete(&ioc->transport_cmds.done); - } - if (ioc->base_cmds.status & MPT2_CMD_PENDING) { - ioc->base_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); - complete(&ioc->base_cmds.done); - } - if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { - ioc->port_enable_failed = 1; - ioc->port_enable_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); - if (ioc->is_driver_loading) { - ioc->start_scan_failed = - MPI2_IOCSTATUS_INTERNAL_ERROR; - ioc->start_scan = 0; - ioc->port_enable_cmds.status = - MPT2_CMD_NOT_USED; - } else - complete(&ioc->port_enable_cmds.done); - - } - if (ioc->config_cmds.status & MPT2_CMD_PENDING) { - ioc->config_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); - ioc->config_cmds.smid = USHRT_MAX; - complete(&ioc->config_cmds.done); - } - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - break; - } -} - -/** - * _wait_for_commands_to_complete - reset controller - * @ioc: Pointer to MPT_ADAPTER structure - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * - * This function waiting(3s) for all pending commands to complete - * prior to putting controller in reset. - */ -static void -_wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) -{ - u32 ioc_state; - unsigned long flags; - u16 i; - - ioc->pending_io_count = 0; - if (sleep_flag != CAN_SLEEP) - return; - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) - return; - - /* pending command count */ - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - for (i = 0; i < ioc->scsiio_depth; i++) - if (ioc->scsi_lookup[i].cb_idx != 0xFF) - ioc->pending_io_count++; - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - if (!ioc->pending_io_count) - return; - - /* wait for pending commands to complete */ - wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); -} - -/** - * mpt2sas_base_hard_reset_handler - reset controller - * @ioc: Pointer to MPT_ADAPTER structure - * @sleep_flag: CAN_SLEEP or NO_SLEEP - * @type: FORCE_BIG_HAMMER or SOFT_RESET - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, - enum reset_type type) -{ - int r; - unsigned long flags; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - if (ioc->pci_error_recovery) { - printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", - ioc->name, __func__); - r = 0; - goto out_unlocked; - } - - if (mpt2sas_fwfault_debug) - mpt2sas_halt_firmware(ioc); - - /* TODO - What we really should be doing is pulling - * out all the code associated with NO_SLEEP; its never used. - * That is legacy code from mpt fusion driver, ported over. - * I will leave this BUG_ON here for now till its been resolved. - */ - BUG_ON(sleep_flag == NO_SLEEP); - - /* wait for an active reset in progress to complete */ - if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { - do { - ssleep(1); - } while (ioc->shost_recovery == 1); - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, - __func__)); - return ioc->ioc_reset_in_progress_status; - } - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - ioc->shost_recovery = 1; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - - _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); - _wait_for_commands_to_complete(ioc, sleep_flag); - _base_mask_interrupts(ioc); - r = _base_make_ioc_ready(ioc, sleep_flag, type); - if (r) - goto out; - _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); - - /* If this hard reset is called while port enable is active, then - * there is no reason to call make_ioc_operational - */ - if (ioc->is_driver_loading && ioc->port_enable_failed) { - ioc->remove_host = 1; - r = -EFAULT; - goto out; - } - - r = _base_get_ioc_facts(ioc, CAN_SLEEP); - if (r) - goto out; - - if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable) - panic("%s: Issue occurred with flashing controller firmware." - "Please reboot the system and ensure that the correct" - " firmware version is running\n", ioc->name); - - r = _base_make_ioc_operational(ioc, sleep_flag); - if (!r) - _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); - out: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", - ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); - - spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - ioc->ioc_reset_in_progress_status = r; - ioc->shost_recovery = 0; - spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); - mutex_unlock(&ioc->reset_in_progress_mutex); - - out_unlocked: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, - __func__)); - return r; -} diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h deleted file mode 100644 index 65e1046efd87..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_base.h +++ /dev/null @@ -1,1235 +0,0 @@ -/* - * This is the Fusion MPT base driver providing common API layer interface - * for access to MPT (Message Passing Technology) firmware. - * - * This code is based on drivers/scsi/mpt2sas/mpt2_base.h - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#ifndef MPT2SAS_BASE_H_INCLUDED -#define MPT2SAS_BASE_H_INCLUDED - -#include "mpi/mpi2_type.h" -#include "mpi/mpi2.h" -#include "mpi/mpi2_ioc.h" -#include "mpi/mpi2_cnfg.h" -#include "mpi/mpi2_init.h" -#include "mpi/mpi2_raid.h" -#include "mpi/mpi2_tool.h" -#include "mpi/mpi2_sas.h" - -#include <scsi/scsi.h> -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi_host.h> -#include <scsi/scsi_tcq.h> -#include <scsi/scsi_transport_sas.h> -#include <scsi/scsi_dbg.h> -#include <scsi/scsi_eh.h> - -#include "mpt2sas_debug.h" - -/* driver versioning info */ -#define MPT2SAS_DRIVER_NAME "mpt2sas" -#define MPT2SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>" -#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" -#define MPT2SAS_DRIVER_VERSION "20.100.00.00" -#define MPT2SAS_MAJOR_VERSION 20 -#define MPT2SAS_MINOR_VERSION 100 -#define MPT2SAS_BUILD_VERSION 00 -#define MPT2SAS_RELEASE_VERSION 00 - -/* - * Set MPT2SAS_SG_DEPTH value based on user input. - */ -#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE -#if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16 -#define MPT2SAS_SG_DEPTH 16 -#elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128 -#define MPT2SAS_SG_DEPTH 128 -#else -#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE -#endif -#else -#define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */ -#endif - - -/* - * Generic Defines - */ -#define MPT2SAS_SATA_QUEUE_DEPTH 32 -#define MPT2SAS_SAS_QUEUE_DEPTH 254 -#define MPT2SAS_RAID_QUEUE_DEPTH 128 - -#define MPT_NAME_LENGTH 32 /* generic length of strings */ -#define MPT_STRING_LENGTH 64 - -#define MPT_MAX_CALLBACKS 16 - - -#define CAN_SLEEP 1 -#define NO_SLEEP 0 - -#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */ - -#define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/ - -#define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF - - -/* - * reset phases - */ -#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */ -#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */ -#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */ - -/* - * logging format - */ -#define MPT2SAS_FMT "%s: " -#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT -#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT -#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT -#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT - -/* - * Dell HBA branding - */ -#define MPT2SAS_DELL_BRANDING_SIZE 32 - -#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" -#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" -#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" -#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" -#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" -#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" -#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" - -/* - * Dell HBA SSDIDs - */ -#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C -#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D -#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E -#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F -#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 -#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 -#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 - -/* - * Intel HBA branding - */ -#define MPT2SAS_INTEL_RMS25JB080_BRANDING \ - "Intel(R) Integrated RAID Module RMS25JB080" -#define MPT2SAS_INTEL_RMS25JB040_BRANDING \ - "Intel(R) Integrated RAID Module RMS25JB040" -#define MPT2SAS_INTEL_RMS25KB080_BRANDING \ - "Intel(R) Integrated RAID Module RMS25KB080" -#define MPT2SAS_INTEL_RMS25KB040_BRANDING \ - "Intel(R) Integrated RAID Module RMS25KB040" -#define MPT2SAS_INTEL_RMS25LB040_BRANDING \ - "Intel(R) Integrated RAID Module RMS25LB040" -#define MPT2SAS_INTEL_RMS25LB080_BRANDING \ - "Intel(R) Integrated RAID Module RMS25LB080" -#define MPT2SAS_INTEL_RMS2LL080_BRANDING \ - "Intel Integrated RAID Module RMS2LL080" -#define MPT2SAS_INTEL_RMS2LL040_BRANDING \ - "Intel Integrated RAID Module RMS2LL040" -#define MPT2SAS_INTEL_RS25GB008_BRANDING \ - "Intel(R) RAID Controller RS25GB008" -#define MPT2SAS_INTEL_SSD910_BRANDING \ - "Intel(R) SSD 910 Series" -/* - * Intel HBA SSDIDs - */ -#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516 -#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517 -#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518 -#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519 -#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A -#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B -#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E -#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F -#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000 -#define MPT2SAS_INTEL_SSD910_SSDID 0x3700 - -/* - * HP HBA branding - */ -#define MPT2SAS_HP_3PAR_SSVID 0x1590 -#define MPT2SAS_HP_2_4_INTERNAL_BRANDING "HP H220 Host Bus Adapter" -#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING "HP H221 Host Bus Adapter" -#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter" -#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING "HP H220i Host Bus Adapter" -#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING "HP H210i Host Bus Adapter" - -/* - * HO HBA SSDIDs - */ -#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041 -#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042 -#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043 -#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044 -#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046 - -/* - * WarpDrive Specific Log codes - */ - -#define MPT2_WARPDRIVE_LOGENTRY (0x8002) -#define MPT2_WARPDRIVE_LC_SSDT (0x41) -#define MPT2_WARPDRIVE_LC_SSDLW (0x43) -#define MPT2_WARPDRIVE_LC_SSDLF (0x44) -#define MPT2_WARPDRIVE_LC_BRMF (0x4D) - -/* - * per target private data - */ -#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 -#define MPT_TARGET_FLAGS_VOLUME 0x02 -#define MPT_TARGET_FLAGS_DELETED 0x04 - -/** - * struct MPT2SAS_TARGET - starget private hostdata - * @starget: starget object - * @sas_address: target sas address - * @raid_device: raid_device pointer to access volume data - * @handle: device handle - * @num_luns: number luns - * @flags: MPT_TARGET_FLAGS_XXX flags - * @deleted: target flaged for deletion - * @tm_busy: target is busy with TM request. - * @sdev: The sas_device associated with this target - */ -struct MPT2SAS_TARGET { - struct scsi_target *starget; - u64 sas_address; - struct _raid_device *raid_device; - u16 handle; - int num_luns; - u32 flags; - u8 deleted; - u8 tm_busy; - struct _sas_device *sdev; -}; - - -/* - * per device private data - */ -#define MPT_DEVICE_FLAGS_INIT 0x01 -#define MPT_DEVICE_TLR_ON 0x02 - -/** - * struct MPT2SAS_DEVICE - sdev private hostdata - * @sas_target: starget private hostdata - * @lun: lun number - * @flags: MPT_DEVICE_XXX flags - * @configured_lun: lun is configured - * @block: device is in SDEV_BLOCK state - * @tlr_snoop_check: flag used in determining whether to disable TLR - */ - -/* OEM Identifiers */ -#define MFG10_OEM_ID_INVALID (0x00000000) -#define MFG10_OEM_ID_DELL (0x00000001) -#define MFG10_OEM_ID_FSC (0x00000002) -#define MFG10_OEM_ID_SUN (0x00000003) -#define MFG10_OEM_ID_IBM (0x00000004) - -/* GENERIC Flags 0*/ -#define MFG10_GF0_OCE_DISABLED (0x00000001) -#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002) -#define MFG10_GF0_R10_DISPLAY (0x00000004) -#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008) -#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010) - -/* OEM Specific Flags will come from OEM specific header files */ -typedef struct _MPI2_CONFIG_PAGE_MAN_10 { - MPI2_CONFIG_PAGE_HEADER Header; /* 00h */ - U8 OEMIdentifier; /* 04h */ - U8 Reserved1; /* 05h */ - U16 Reserved2; /* 08h */ - U32 Reserved3; /* 0Ch */ - U32 GenericFlags0; /* 10h */ - U32 GenericFlags1; /* 14h */ - U32 Reserved4; /* 18h */ - U32 OEMSpecificFlags0; /* 1Ch */ - U32 OEMSpecificFlags1; /* 20h */ - U32 Reserved5[18]; /* 24h-60h*/ -} MPI2_CONFIG_PAGE_MAN_10, - *PTR_MPI2_CONFIG_PAGE_MAN_10, - Mpi2ManufacturingPage10_t, *pMpi2ManufacturingPage10_t; - -#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003) -#define MFG_PAGE10_HIDE_ALL_DISKS (0x00) -#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01) -#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02) - - -struct MPT2SAS_DEVICE { - struct MPT2SAS_TARGET *sas_target; - unsigned int lun; - u32 flags; - u8 configured_lun; - u8 block; - u8 tlr_snoop_check; -}; - -#define MPT2_CMD_NOT_USED 0x8000 /* free */ -#define MPT2_CMD_COMPLETE 0x0001 /* completed */ -#define MPT2_CMD_PENDING 0x0002 /* pending */ -#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */ -#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */ - -/** - * struct _internal_cmd - internal commands struct - * @mutex: mutex - * @done: completion - * @reply: reply message pointer - * @sense: sense data - * @status: MPT2_CMD_XXX status - * @smid: system message id - */ -struct _internal_cmd { - struct mutex mutex; - struct completion done; - void *reply; - void *sense; - u16 status; - u16 smid; -}; - - -/** - * struct _sas_device - attached device information - * @list: sas device list - * @starget: starget object - * @sas_address: device sas address - * @device_name: retrieved from the SAS IDENTIFY frame. - * @handle: device handle - * @sas_address_parent: sas address of parent expander or sas host - * @enclosure_handle: enclosure handle - * @enclosure_logical_id: enclosure logical identifier - * @volume_handle: volume handle (valid when hidden raid member) - * @volume_wwid: volume unique identifier - * @device_info: bitfield provides detailed info about the device - * @id: target id - * @channel: target channel - * @slot: number number - * @phy: phy identifier provided in sas device page 0 - * @responding: used in _scsih_sas_device_mark_responding - * @pfa_led_on: flag for PFA LED status - */ -struct _sas_device { - struct list_head list; - struct scsi_target *starget; - u64 sas_address; - u64 device_name; - u16 handle; - u64 sas_address_parent; - u16 enclosure_handle; - u64 enclosure_logical_id; - u16 volume_handle; - u64 volume_wwid; - u32 device_info; - int id; - int channel; - u16 slot; - u8 phy; - u8 responding; - u8 pfa_led_on; - struct kref refcount; -}; - -static inline void sas_device_get(struct _sas_device *s) -{ - kref_get(&s->refcount); -} - -static inline void sas_device_free(struct kref *r) -{ - kfree(container_of(r, struct _sas_device, refcount)); -} - -static inline void sas_device_put(struct _sas_device *s) -{ - kref_put(&s->refcount, sas_device_free); -} - -/** - * struct _raid_device - raid volume link list - * @list: sas device list - * @starget: starget object - * @sdev: scsi device struct (volumes are single lun) - * @wwid: unique identifier for the volume - * @handle: device handle - * @block_size: Block size of the volume - * @id: target id - * @channel: target channel - * @volume_type: the raid level - * @device_info: bitfield provides detailed info about the hidden components - * @num_pds: number of hidden raid components - * @responding: used in _scsih_raid_device_mark_responding - * @percent_complete: resync percent complete - * @direct_io_enabled: Whether direct io to PDs are allowed or not - * @stripe_exponent: X where 2powX is the stripe sz in blocks - * @block_exponent: X where 2powX is the block sz in bytes - * @max_lba: Maximum number of LBA in the volume - * @stripe_sz: Stripe Size of the volume - * @device_info: Device info of the volume member disk - * @pd_handle: Array of handles of the physical drives for direct I/O in le16 - */ -#define MPT_MAX_WARPDRIVE_PDS 8 -struct _raid_device { - struct list_head list; - struct scsi_target *starget; - struct scsi_device *sdev; - u64 wwid; - u16 handle; - u16 block_sz; - int id; - int channel; - u8 volume_type; - u8 num_pds; - u8 responding; - u8 percent_complete; - u8 direct_io_enabled; - u8 stripe_exponent; - u8 block_exponent; - u64 max_lba; - u32 stripe_sz; - u32 device_info; - u16 pd_handle[MPT_MAX_WARPDRIVE_PDS]; -}; - -/** - * struct _boot_device - boot device info - * @is_raid: flag to indicate whether this is volume - * @device: holds pointer for either struct _sas_device or - * struct _raid_device - */ -struct _boot_device { - u8 is_raid; - void *device; -}; - -/** - * struct _sas_port - wide/narrow sas port information - * @port_list: list of ports belonging to expander - * @num_phys: number of phys belonging to this port - * @remote_identify: attached device identification - * @rphy: sas transport rphy object - * @port: sas transport wide/narrow port object - * @phy_list: _sas_phy list objects belonging to this port - */ -struct _sas_port { - struct list_head port_list; - u8 num_phys; - struct sas_identify remote_identify; - struct sas_rphy *rphy; - struct sas_port *port; - struct list_head phy_list; -}; - -/** - * struct _sas_phy - phy information - * @port_siblings: list of phys belonging to a port - * @identify: phy identification - * @remote_identify: attached device identification - * @phy: sas transport phy object - * @phy_id: unique phy id - * @handle: device handle for this phy - * @attached_handle: device handle for attached device - * @phy_belongs_to_port: port has been created for this phy - */ -struct _sas_phy { - struct list_head port_siblings; - struct sas_identify identify; - struct sas_identify remote_identify; - struct sas_phy *phy; - u8 phy_id; - u16 handle; - u16 attached_handle; - u8 phy_belongs_to_port; -}; - -/** - * struct _sas_node - sas_host/expander information - * @list: list of expanders - * @parent_dev: parent device class - * @num_phys: number phys belonging to this sas_host/expander - * @sas_address: sas address of this sas_host/expander - * @handle: handle for this sas_host/expander - * @sas_address_parent: sas address of parent expander or sas host - * @enclosure_handle: handle for this a member of an enclosure - * @device_info: bitwise defining capabilities of this sas_host/expander - * @responding: used in _scsih_expander_device_mark_responding - * @phy: a list of phys that make up this sas_host/expander - * @sas_port_list: list of ports attached to this sas_host/expander - */ -struct _sas_node { - struct list_head list; - struct device *parent_dev; - u8 num_phys; - u64 sas_address; - u16 handle; - u64 sas_address_parent; - u16 enclosure_handle; - u64 enclosure_logical_id; - u8 responding; - struct _sas_phy *phy; - struct list_head sas_port_list; -}; - -/** - * enum reset_type - reset state - * @FORCE_BIG_HAMMER: issue diagnostic reset - * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer - */ -enum reset_type { - FORCE_BIG_HAMMER, - SOFT_RESET, -}; - -/** - * struct chain_tracker - firmware chain tracker - * @chain_buffer: chain buffer - * @chain_buffer_dma: physical address - * @tracker_list: list of free request (ioc->free_chain_list) - */ -struct chain_tracker { - void *chain_buffer; - dma_addr_t chain_buffer_dma; - struct list_head tracker_list; -}; - -/** - * struct scsiio_tracker - scsi mf request tracker - * @smid: system message id - * @scmd: scsi request pointer - * @cb_idx: callback index - * @direct_io: To indicate whether I/O is direct (WARPDRIVE) - * @chain_list: list of chains associated to this IO - * @tracker_list: list of free request (ioc->free_list) - */ -struct scsiio_tracker { - u16 smid; - struct scsi_cmnd *scmd; - u8 cb_idx; - u8 direct_io; - struct list_head chain_list; - struct list_head tracker_list; -}; - -/** - * struct request_tracker - firmware request tracker - * @smid: system message id - * @cb_idx: callback index - * @tracker_list: list of free request (ioc->free_list) - */ -struct request_tracker { - u16 smid; - u8 cb_idx; - struct list_head tracker_list; -}; - -/** - * struct _tr_list - target reset list - * @handle: device handle - * @state: state machine - */ -struct _tr_list { - struct list_head list; - u16 handle; - u16 state; -}; - -typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr); - -/** - * struct adapter_reply_queue - the reply queue struct - * @ioc: per adapter object - * @msix_index: msix index into vector table - * @vector: irq vector - * @reply_post_host_index: head index in the pool where FW completes IO - * @reply_post_free: reply post base virt address - * @name: the name registered to request_irq() - * @busy: isr is actively processing replies on another cpu - * @list: this list -*/ -struct adapter_reply_queue { - struct MPT2SAS_ADAPTER *ioc; - u8 msix_index; - unsigned int vector; - u32 reply_post_host_index; - Mpi2ReplyDescriptorsUnion_t *reply_post_free; - char name[MPT_NAME_LENGTH]; - atomic_t busy; - cpumask_var_t affinity_hint; - struct list_head list; -}; - -/* IOC Facts and Port Facts converted from little endian to cpu */ -union mpi2_version_union { - MPI2_VERSION_STRUCT Struct; - u32 Word; -}; - -struct mpt2sas_facts { - u16 MsgVersion; - u16 HeaderVersion; - u8 IOCNumber; - u8 VP_ID; - u8 VF_ID; - u16 IOCExceptions; - u16 IOCStatus; - u32 IOCLogInfo; - u8 MaxChainDepth; - u8 WhoInit; - u8 NumberOfPorts; - u8 MaxMSIxVectors; - u16 RequestCredit; - u16 ProductID; - u32 IOCCapabilities; - union mpi2_version_union FWVersion; - u16 IOCRequestFrameSize; - u16 Reserved3; - u16 MaxInitiators; - u16 MaxTargets; - u16 MaxSasExpanders; - u16 MaxEnclosures; - u16 ProtocolFlags; - u16 HighPriorityCredit; - u16 MaxReplyDescriptorPostQueueDepth; - u8 ReplyFrameSize; - u8 MaxVolumes; - u16 MaxDevHandle; - u16 MaxPersistentEntries; - u16 MinDevHandle; -}; - -struct mpt2sas_port_facts { - u8 PortNumber; - u8 VP_ID; - u8 VF_ID; - u8 PortType; - u16 MaxPostedCmdBuffers; -}; - -struct reply_post_struct { - Mpi2ReplyDescriptorsUnion_t *reply_post_free; - dma_addr_t reply_post_free_dma; -}; - -/** - * enum mutex_type - task management mutex type - * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it - * @TM_MUTEX_ON: mutex is required - */ -enum mutex_type { - TM_MUTEX_OFF = 0, - TM_MUTEX_ON = 1, -}; - -typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc); -/** - * struct MPT2SAS_ADAPTER - per adapter struct - * @list: ioc_list - * @shost: shost object - * @id: unique adapter id - * @cpu_count: number online cpus - * @name: generic ioc string - * @tmp_string: tmp string used for logging - * @pdev: pci pdev object - * @chip: memory mapped register space - * @chip_phys: physical addrss prior to mapping - * @logging_level: see mpt2sas_debug.h - * @fwfault_debug: debuging FW timeouts - * @ir_firmware: IR firmware present - * @bars: bitmask of BAR's that must be configured - * @mask_interrupts: ignore interrupt - * @dma_mask: used to set the consistent dma mask - * @fault_reset_work_q_name: fw fault work queue - * @fault_reset_work_q: "" - * @fault_reset_work: "" - * @firmware_event_name: fw event work queue - * @firmware_event_thread: "" - * @fw_events_off: flag to turn off fw event handling - * @fw_event_lock: - * @fw_event_list: list of fw events - * @aen_event_read_flag: event log was read - * @broadcast_aen_busy: broadcast aen waiting to be serviced - * @shost_recovery: host reset in progress - * @ioc_reset_in_progress_lock: - * @ioc_link_reset_in_progress: phy/hard reset in progress - * @ignore_loginfos: ignore loginfos during task management - * @remove_host: flag for when driver unloads, to avoid sending dev resets - * @pci_error_recovery: flag to prevent ioc access until slot reset completes - * @wait_for_discovery_to_complete: flag set at driver load time when - * waiting on reporting devices - * @is_driver_loading: flag set at driver load time - * @port_enable_failed: flag set when port enable has failed - * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work - * @start_scan_failed: means port enable failed, return's the ioc_status - * @msix_enable: flag indicating msix is enabled - * @msix_vector_count: number msix vectors - * @cpu_msix_table: table for mapping cpus to msix index - * @cpu_msix_table_sz: table size - * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands - * @scsi_io_cb_idx: shost generated commands - * @tm_cb_idx: task management commands - * @scsih_cb_idx: scsih internal commands - * @transport_cb_idx: transport internal commands - * @ctl_cb_idx: clt internal commands - * @base_cb_idx: base internal commands - * @config_cb_idx: base internal commands - * @tm_tr_cb_idx : device removal target reset handshake - * @tm_tr_volume_cb_idx : volume removal target reset - * @base_cmds: - * @transport_cmds: - * @scsih_cmds: - * @tm_cmds: - * @ctl_cmds: - * @config_cmds: - * @base_add_sg_single: handler for either 32/64 bit sgl's - * @event_type: bits indicating which events to log - * @event_context: unique id for each logged event - * @event_log: event log pointer - * @event_masks: events that are masked - * @facts: static facts data - * @pfacts: static port facts data - * @manu_pg0: static manufacturing page 0 - * @manu_pg10: static manufacturing page 10 - * @bios_pg2: static bios page 2 - * @bios_pg3: static bios page 3 - * @ioc_pg8: static ioc page 8 - * @iounit_pg0: static iounit page 0 - * @iounit_pg1: static iounit page 1 - * @iounit_pg8: static iounit page 8 - * @sas_hba: sas host object - * @sas_expander_list: expander object list - * @sas_node_lock: - * @sas_device_list: sas device object list - * @sas_device_init_list: sas device object list (used only at init time) - * @sas_device_lock: - * @io_missing_delay: time for IO completed by fw when PDR enabled - * @device_missing_delay: time for device missing by fw when PDR enabled - * @sas_id : used for setting volume target IDs - * @blocking_handles: bitmask used to identify which devices need blocking - * @pd_handles : bitmask for PD handles - * @pd_handles_sz : size of pd_handle bitmask - * @config_page_sz: config page size - * @config_page: reserve memory for config page payload - * @config_page_dma: - * @hba_queue_depth: hba request queue depth - * @sge_size: sg element size for either 32/64 bit - * @scsiio_depth: SCSI_IO queue depth - * @request_sz: per request frame size - * @request: pool of request frames - * @request_dma: - * @request_dma_sz: - * @scsi_lookup: firmware request tracker list - * @scsi_lookup_lock: - * @free_list: free list of request - * @chain: pool of chains - * @pending_io_count: - * @reset_wq: - * @chain_dma: - * @max_sges_in_main_message: number sg elements in main message - * @max_sges_in_chain_message: number sg elements per chain - * @chains_needed_per_io: max chains per io - * @chain_offset_value_for_main_message: location 1st sg in main - * @chain_depth: total chains allocated - * @hi_priority_smid: - * @hi_priority: - * @hi_priority_dma: - * @hi_priority_depth: - * @hpr_lookup: - * @hpr_free_list: - * @internal_smid: - * @internal: - * @internal_dma: - * @internal_depth: - * @internal_lookup: - * @internal_free_list: - * @sense: pool of sense - * @sense_dma: - * @sense_dma_pool: - * @reply_depth: hba reply queue depth: - * @reply_sz: per reply frame size: - * @reply: pool of replys: - * @reply_dma: - * @reply_dma_pool: - * @reply_free_queue_depth: reply free depth - * @reply_free: pool for reply free queue (32 bit addr) - * @reply_free_dma: - * @reply_free_dma_pool: - * @reply_free_host_index: tail index in pool to insert free replys - * @reply_post_queue_depth: reply post queue depth - * @reply_post_struct: struct for reply_post_free physical & virt address - * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init - * @rdpq_array_enable: rdpq_array support is enabled in the driver - * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag - * is assigned only ones - * @reply_queue_count: number of reply queue's - * @reply_queue_list: link list contaning the reply queue info - * @reply_post_host_index: head index in the pool where FW completes IO - * @delayed_tr_list: target reset link list - * @delayed_tr_volume_list: volume target reset link list - * @@temp_sensors_count: flag to carry the number of temperature sensors - * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and - * pci resource handling. PCI resource freeing will lead to free - * vital hardware/memory resource, which might be in use by cli/sysfs - * path functions resulting in Null pointer reference followed by kernel - * crash. To avoid the above race condition we use mutex syncrhonization - * which ensures the syncrhonization between cli/sysfs_show path - */ -struct MPT2SAS_ADAPTER { - struct list_head list; - struct Scsi_Host *shost; - u8 id; - int cpu_count; - char name[MPT_NAME_LENGTH]; - char tmp_string[MPT_STRING_LENGTH]; - struct pci_dev *pdev; - Mpi2SystemInterfaceRegs_t __iomem *chip; - resource_size_t chip_phys; - int logging_level; - int fwfault_debug; - u8 ir_firmware; - int bars; - u8 mask_interrupts; - int dma_mask; - - /* fw fault handler */ - char fault_reset_work_q_name[20]; - struct workqueue_struct *fault_reset_work_q; - struct delayed_work fault_reset_work; - - /* fw event handler */ - char firmware_event_name[20]; - struct workqueue_struct *firmware_event_thread; - spinlock_t fw_event_lock; - struct list_head fw_event_list; - - /* misc flags */ - int aen_event_read_flag; - u8 broadcast_aen_busy; - u16 broadcast_aen_pending; - u8 shost_recovery; - - struct mutex reset_in_progress_mutex; - spinlock_t ioc_reset_in_progress_lock; - u8 ioc_link_reset_in_progress; - u8 ioc_reset_in_progress_status; - - u8 ignore_loginfos; - u8 remove_host; - u8 pci_error_recovery; - u8 wait_for_discovery_to_complete; - struct completion port_enable_done; - u8 is_driver_loading; - u8 port_enable_failed; - - u8 start_scan; - u16 start_scan_failed; - - u8 msix_enable; - u16 msix_vector_count; - u8 *cpu_msix_table; - resource_size_t __iomem **reply_post_host_index; - u16 cpu_msix_table_sz; - u32 ioc_reset_count; - MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds; - u32 non_operational_loop; - - /* internal commands, callback index */ - u8 scsi_io_cb_idx; - u8 tm_cb_idx; - u8 transport_cb_idx; - u8 scsih_cb_idx; - u8 ctl_cb_idx; - u8 base_cb_idx; - u8 port_enable_cb_idx; - u8 config_cb_idx; - u8 tm_tr_cb_idx; - u8 tm_tr_volume_cb_idx; - u8 tm_sas_control_cb_idx; - struct _internal_cmd base_cmds; - struct _internal_cmd port_enable_cmds; - struct _internal_cmd transport_cmds; - struct _internal_cmd scsih_cmds; - struct _internal_cmd tm_cmds; - struct _internal_cmd ctl_cmds; - struct _internal_cmd config_cmds; - - MPT_ADD_SGE base_add_sg_single; - - /* event log */ - u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; - u32 event_context; - void *event_log; - u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; - - /* static config pages */ - struct mpt2sas_facts facts; - struct mpt2sas_port_facts *pfacts; - Mpi2ManufacturingPage0_t manu_pg0; - Mpi2BiosPage2_t bios_pg2; - Mpi2BiosPage3_t bios_pg3; - Mpi2IOCPage8_t ioc_pg8; - Mpi2IOUnitPage0_t iounit_pg0; - Mpi2IOUnitPage1_t iounit_pg1; - Mpi2IOUnitPage8_t iounit_pg8; - - struct _boot_device req_boot_device; - struct _boot_device req_alt_boot_device; - struct _boot_device current_boot_device; - - /* sas hba, expander, and device list */ - struct _sas_node sas_hba; - struct list_head sas_expander_list; - spinlock_t sas_node_lock; - struct list_head sas_device_list; - struct list_head sas_device_init_list; - spinlock_t sas_device_lock; - struct list_head raid_device_list; - spinlock_t raid_device_lock; - u8 io_missing_delay; - u16 device_missing_delay; - int sas_id; - void *blocking_handles; - void *pd_handles; - u16 pd_handles_sz; - - /* config page */ - u16 config_page_sz; - void *config_page; - dma_addr_t config_page_dma; - - /* scsiio request */ - u16 hba_queue_depth; - u16 sge_size; - u16 scsiio_depth; - u16 request_sz; - u8 *request; - dma_addr_t request_dma; - u32 request_dma_sz; - struct scsiio_tracker *scsi_lookup; - ulong scsi_lookup_pages; - spinlock_t scsi_lookup_lock; - struct list_head free_list; - int pending_io_count; - wait_queue_head_t reset_wq; - - /* chain */ - struct chain_tracker *chain_lookup; - struct list_head free_chain_list; - struct dma_pool *chain_dma_pool; - ulong chain_pages; - u16 max_sges_in_main_message; - u16 max_sges_in_chain_message; - u16 chains_needed_per_io; - u16 chain_offset_value_for_main_message; - u32 chain_depth; - - /* hi-priority queue */ - u16 hi_priority_smid; - u8 *hi_priority; - dma_addr_t hi_priority_dma; - u16 hi_priority_depth; - struct request_tracker *hpr_lookup; - struct list_head hpr_free_list; - - /* internal queue */ - u16 internal_smid; - u8 *internal; - dma_addr_t internal_dma; - u16 internal_depth; - struct request_tracker *internal_lookup; - struct list_head internal_free_list; - - /* sense */ - u8 *sense; - dma_addr_t sense_dma; - struct dma_pool *sense_dma_pool; - - /* reply */ - u16 reply_sz; - u8 *reply; - dma_addr_t reply_dma; - u32 reply_dma_max_address; - u32 reply_dma_min_address; - struct dma_pool *reply_dma_pool; - - /* reply free queue */ - u16 reply_free_queue_depth; - __le32 *reply_free; - dma_addr_t reply_free_dma; - struct dma_pool *reply_free_dma_pool; - u32 reply_free_host_index; - - /* reply post queue */ - u16 reply_post_queue_depth; - struct reply_post_struct *reply_post; - u8 rdpq_array_capable; - u8 rdpq_array_enable; - u8 rdpq_array_enable_assigned; - struct dma_pool *reply_post_free_dma_pool; - u8 reply_queue_count; - struct list_head reply_queue_list; - - struct list_head delayed_tr_list; - struct list_head delayed_tr_volume_list; - u8 temp_sensors_count; - - /* diag buffer support */ - u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; - u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT]; - dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT]; - u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT]; - u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT]; - Mpi2ManufacturingPage10_t manu_pg10; - u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; - u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; - u32 ring_buffer_offset; - u32 ring_buffer_sz; - u8 is_warpdrive; - u8 hide_ir_msg; - u8 mfg_pg10_hide_flag; - u8 hide_drives; - - struct mutex pci_access_mutex; -}; - -typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply); - - -/* base shared API */ -extern struct list_head mpt2sas_ioc_list; -/* spinlock on list operations over IOCs - * Case: when multiple warpdrive cards(IOCs) are in use - * Each IOC will added to the ioc list stucture on initialization. - * Watchdog threads run at regular intervals to check IOC for any - * fault conditions which will trigger the dead_ioc thread to - * deallocate pci resource, resulting deleting the IOC netry from list, - * this deletion need to protected by spinlock to enusre that - * ioc removal is syncrhonized, if not synchronized it might lead to - * list_del corruption as the ioc list is traversed in cli path - */ -extern spinlock_t gioc_lock; -void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc); -void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc); - -int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc); -void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc); -int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc); -void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc); -int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, - enum reset_type type); - -void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid); -void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid); -void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr); -__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, - u16 smid); -void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc); - -/* hi-priority queue */ -u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); -u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, - struct scsi_cmnd *scmd); - -u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); -void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid); -void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u16 handle); -void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid); -void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u16 io_index); -void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid); -void mpt2sas_base_initialize_callback_handler(void); -u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func); -void mpt2sas_base_release_callback_handler(u8 cb_idx); - -u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply); -u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u8 msix_index, u32 reply); -void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr); - -u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked); - -void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code); -int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, - Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t - *mpi_request); -int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, - Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request); -void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type); - -void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc); - -void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, - u16 device_missing_delay, u8 io_missing_delay); - -int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc); - -/* scsih shared API */ -void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply); -int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, - uint channel, uint id, uint lun, u8 type, u16 smid_task, - ulong timeout, enum mutex_type m_type); -void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); -void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); -void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address); -void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address); -struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, - u16 handle); -struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER - *ioc, u64 sas_address); -struct _sas_device *mpt2sas_get_sdev_by_addr( - struct MPT2SAS_ADAPTER *ioc, u64 sas_address); -struct _sas_device *__mpt2sas_get_sdev_by_addr( - struct MPT2SAS_ADAPTER *ioc, u64 sas_address); - -void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc); -void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); - -/* config shared API */ -u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply); -int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys); -int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page); -int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page); -int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2BiosPage2_t *config_page); -int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2BiosPage3_t *config_page); -int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2IOUnitPage0_t *config_page); -int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle); -int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle); -int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz); -int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2IOUnitPage1_t *config_page); -int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2IOUnitPage1_t *config_page); -int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page); -int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz); -int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); -int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); -int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2IOCPage8_t *config_page); -int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle); -int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle); -int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle); -int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number); -int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number); -int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle); -int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds); -int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz); -int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, - u32 form_specific); -int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, - u16 *volume_handle); -int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, - u64 *wwid); -/* ctl shared API */ -extern struct device_attribute *mpt2sas_host_attrs[]; -extern struct device_attribute *mpt2sas_dev_attrs[]; -void mpt2sas_ctl_init(void); -void mpt2sas_ctl_exit(void); -u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply); -void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); -void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply); -void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventNotificationReply_t *mpi_reply); - -void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, - u8 bits_to_regsiter); - -/* transport shared API */ -u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply); -struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, - u16 handle, u64 sas_address); -void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u64 sas_address_parent); -int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy - *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev); -int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy - *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev); -void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address, u16 handle, u8 phy_number, u8 link_rate); -extern struct sas_function_template mpt2sas_transport_functions; -extern struct scsi_transport_template *mpt2sas_transport_template; -extern int scsi_internal_device_block(struct scsi_device *sdev); -extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc, - u8 msix_index, u32 reply); -extern int scsi_internal_device_unblock(struct scsi_device *sdev, - enum scsi_device_state new_state); - -#endif /* MPT2SAS_BASE_H_INCLUDED */ diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c deleted file mode 100644 index c43815b1a485..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_config.c +++ /dev/null @@ -1,1527 +0,0 @@ -/* - * This module provides common API for accessing firmware configuration pages - * - * This code is based on drivers/scsi/mpt2sas/mpt2_base.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/blkdev.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/slab.h> - -#include "mpt2sas_base.h" - -/* local definitions */ - -/* Timeout for config page request (in seconds) */ -#define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15 - -/* Common sgl flags for READING a config page. */ -#define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \ - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \ - | MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT) - -/* Common sgl flags for WRITING a config page. */ -#define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \ - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \ - | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \ - << MPI2_SGE_FLAGS_SHIFT) - -/** - * struct config_request - obtain dma memory via routine - * @sz: size - * @page: virt pointer - * @page_dma: phys pointer - * - */ -struct config_request{ - u16 sz; - void *page; - dma_addr_t page_dma; -}; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _config_display_some_debug - debug routine - * @ioc: per adapter object - * @smid: system request message index - * @calling_function_name: string pass from calling function - * @mpi_reply: reply message frame - * Context: none. - * - * Function for displaying debug info helpful when debugging issues - * in this module. - */ -static void -_config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, - char *calling_function_name, MPI2DefaultReply_t *mpi_reply) -{ - Mpi2ConfigRequest_t *mpi_request; - char *desc = NULL; - - if (!(ioc->logging_level & MPT_DEBUG_CONFIG)) - return; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) { - case MPI2_CONFIG_PAGETYPE_IO_UNIT: - desc = "io_unit"; - break; - case MPI2_CONFIG_PAGETYPE_IOC: - desc = "ioc"; - break; - case MPI2_CONFIG_PAGETYPE_BIOS: - desc = "bios"; - break; - case MPI2_CONFIG_PAGETYPE_RAID_VOLUME: - desc = "raid_volume"; - break; - case MPI2_CONFIG_PAGETYPE_MANUFACTURING: - desc = "manufaucturing"; - break; - case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK: - desc = "physdisk"; - break; - case MPI2_CONFIG_PAGETYPE_EXTENDED: - switch (mpi_request->ExtPageType) { - case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT: - desc = "sas_io_unit"; - break; - case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER: - desc = "sas_expander"; - break; - case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE: - desc = "sas_device"; - break; - case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY: - desc = "sas_phy"; - break; - case MPI2_CONFIG_EXTPAGETYPE_LOG: - desc = "log"; - break; - case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE: - desc = "enclosure"; - break; - case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG: - desc = "raid_config"; - break; - case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING: - desc = "driver_mapping"; - break; - } - break; - } - - if (!desc) - return; - - printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), " - "smid(%d)\n", ioc->name, calling_function_name, desc, - mpi_request->Header.PageNumber, mpi_request->Action, - le32_to_cpu(mpi_request->PageAddress), smid); - - if (!mpi_reply) - return; - - if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) - printk(MPT2SAS_INFO_FMT - "\tiocstatus(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); -} -#endif - -/** - * _config_alloc_config_dma_memory - obtain physical memory - * @ioc: per adapter object - * @mem: struct config_request - * - * A wrapper for obtaining dma-able memory for config page request. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc, - struct config_request *mem) -{ - int r = 0; - - if (mem->sz > ioc->config_page_sz) { - mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz, - &mem->page_dma, GFP_KERNEL); - if (!mem->page) { - printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent" - " failed asking for (%d) bytes!!\n", - ioc->name, __func__, mem->sz); - r = -ENOMEM; - } - } else { /* use tmp buffer if less than 512 bytes */ - mem->page = ioc->config_page; - mem->page_dma = ioc->config_page_dma; - } - return r; -} - -/** - * _config_free_config_dma_memory - wrapper to free the memory - * @ioc: per adapter object - * @mem: struct config_request - * - * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory. - * - * Returns 0 for success, non-zero for failure. - */ -static void -_config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc, - struct config_request *mem) -{ - if (mem->sz > ioc->config_page_sz) - dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page, - mem->page_dma); -} - -/** - * mpt2sas_config_done - config page completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: none. - * - * The callback handler when using _config_request. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - if (ioc->config_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->config_cmds.smid != smid) - return 1; - ioc->config_cmds.status |= MPT2_CMD_COMPLETE; - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply) { - ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID; - memcpy(ioc->config_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - } - ioc->config_cmds.status &= ~MPT2_CMD_PENDING; -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _config_display_some_debug(ioc, smid, "config_done", mpi_reply); -#endif - ioc->config_cmds.smid = USHRT_MAX; - complete(&ioc->config_cmds.done); - return 1; -} - -/** - * _config_request - main routine for sending config page requests - * @ioc: per adapter object - * @mpi_request: request message frame - * @mpi_reply: reply mf payload returned from firmware - * @timeout: timeout in seconds - * @config_page: contents of the config page - * @config_page_sz: size of config page - * Context: sleep - * - * A generic API for config page requests to firmware. - * - * The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling - * this API. - * - * The callback index is set inside `ioc->config_cb_idx. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t - *mpi_request, Mpi2ConfigReply_t *mpi_reply, int timeout, - void *config_page, u16 config_page_sz) -{ - u16 smid; - u32 ioc_state; - unsigned long timeleft; - Mpi2ConfigRequest_t *config_request; - int r; - u8 retry_count, issue_host_reset = 0; - u16 wait_state_count; - struct config_request mem; - - mutex_lock(&ioc->config_cmds.mutex); - if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n", - ioc->name, __func__); - mutex_unlock(&ioc->config_cmds.mutex); - return -EAGAIN; - } - - retry_count = 0; - memset(&mem, 0, sizeof(struct config_request)); - - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - - if (config_page) { - mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion; - mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber; - mpi_request->Header.PageType = mpi_reply->Header.PageType; - mpi_request->Header.PageLength = mpi_reply->Header.PageLength; - mpi_request->ExtPageLength = mpi_reply->ExtPageLength; - mpi_request->ExtPageType = mpi_reply->ExtPageType; - if (mpi_request->Header.PageLength) - mem.sz = mpi_request->Header.PageLength * 4; - else - mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4; - r = _config_alloc_config_dma_memory(ioc, &mem); - if (r != 0) - goto out; - if (mpi_request->Action == - MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT || - mpi_request->Action == - MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) { - ioc->base_add_sg_single(&mpi_request->PageBufferSGE, - MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz, - mem.page_dma); - memcpy(mem.page, config_page, min_t(u16, mem.sz, - config_page_sz)); - } else { - memset(config_page, 0, config_page_sz); - ioc->base_add_sg_single(&mpi_request->PageBufferSGE, - MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma); - } - } - - retry_config: - if (retry_count) { - if (retry_count > 2) { /* attempt only 2 retries */ - r = -EFAULT; - goto free_mem; - } - printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n", - ioc->name, __func__, retry_count); - } - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - r = -EFAULT; - goto free_mem; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - r = -EAGAIN; - goto free_mem; - } - - r = 0; - memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t)); - ioc->config_cmds.status = MPT2_CMD_PENDING; - config_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->config_cmds.smid = smid; - memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t)); -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _config_display_some_debug(ioc, smid, "config_request", NULL); -#endif - init_completion(&ioc->config_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->config_cmds.done, - timeout*HZ); - if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2ConfigRequest_t)/4); - retry_count++; - if (ioc->config_cmds.smid == smid) - mpt2sas_base_free_smid(ioc, smid); - if ((ioc->shost_recovery) || (ioc->config_cmds.status & - MPT2_CMD_RESET) || ioc->pci_error_recovery) - goto retry_config; - issue_host_reset = 1; - r = -EFAULT; - goto free_mem; - } - - if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID) - memcpy(mpi_reply, ioc->config_cmds.reply, - sizeof(Mpi2ConfigReply_t)); - if (retry_count) - printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n", - ioc->name, __func__, retry_count); - if (config_page && mpi_request->Action == - MPI2_CONFIG_ACTION_PAGE_READ_CURRENT) - memcpy(config_page, mem.page, min_t(u16, mem.sz, - config_page_sz)); - free_mem: - if (config_page) - _config_free_config_dma_memory(ioc, &mem); - out: - ioc->config_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->config_cmds.mutex); - - if (issue_host_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - return r; -} - -/** - * mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING; - mpi_request.Header.PageNumber = 10; - mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_bios_pg2 - obtain bios page 2 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS; - mpi_request.Header.PageNumber = 2; - mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_bios_pg3 - obtain bios page 3 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2BiosPage3_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS; - mpi_request.Header.PageNumber = 3; - mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_iounit_pg0 - obtain iounit page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_iounit_pg1 - obtain iounit page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_set_iounit_pg1 - set iounit page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_iounit_pg3 - obtain iounit page 3 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @sz: size of buffer passed in config_page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; - mpi_request.Header.PageNumber = 3; - mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - out: - return r; -} - -/** - * mpt2sas_config_get_iounit_pg8 - obtain iounit page 8 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; - mpi_request.Header.PageNumber = 8; - mpi_request.Header.PageVersion = MPI2_IOUNITPAGE8_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_ioc_pg8 - obtain ioc page 8 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC; - mpi_request.Header.PageNumber = 8; - mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: device handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE; - mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION; - mpi_request.Header.PageNumber = 0; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: device handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE; - mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION; - mpi_request.Header.PageNumber = 1; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_number_hba_phys - obtain number of phys on the host - * @ioc: per adapter object - * @num_phys: pointer returned with the number of phys - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - u16 ioc_status; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasIOUnitPage0_t config_page; - - *num_phys = 0; - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page, - sizeof(Mpi2SasIOUnitPage0_t)); - if (!r) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) - *num_phys = config_page.NumPhys; - } - out: - return r; -} - -/** - * mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @sz: size of buffer passed in config_page - * Context: sleep. - * - * Calling function should call config_get_number_hba_phys prior to - * this function, so enough memory is allocated for config_page. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - out: - return r; -} - -/** - * mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @sz: size of buffer passed in config_page - * Context: sleep. - * - * Calling function should call config_get_number_hba_phys prior to - * this function, so enough memory is allocated for config_page. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - out: - return r; -} - -/** - * mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @sz: size of buffer passed in config_page - * Context: sleep. - * - * Calling function should call config_get_number_hba_phys prior to - * this function, so enough memory is allocated for config_page. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT; - _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - out: - return r; -} - -/** - * mpt2sas_config_get_expander_pg0 - obtain expander page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: expander handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_expander_pg1 - obtain expander page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @phy_number: phy number - * @handle: expander handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, - u16 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = - cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM | - (phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: expander handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_phy_pg0 - obtain phy page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @phy_number: phy number - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = - cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_phy_pg1 - obtain phy page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @phy_number: phy number - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = - cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: volume handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, - u32 handle) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME; - mpi_request.Header.PageNumber = 1; - mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume - * @ioc: per adapter object - * @handle: volume handle - * @num_pds: returns pds count - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, - u8 *num_pds) -{ - Mpi2ConfigRequest_t mpi_request; - Mpi2RaidVolPage0_t config_page; - Mpi2ConfigReply_t mpi_reply; - int r; - u16 ioc_status; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - *num_pds = 0; - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = - cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page, - sizeof(Mpi2RaidVolPage0_t)); - if (!r) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) - *num_pds = config_page.NumPhysDisks; - } - - out: - return r; -} - -/** - * mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_HANDLE or HANDLE - * @handle: volume handle - * @sz: size of buffer passed in config_page - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, - Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, - u32 handle, u16 sz) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | handle); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); - out: - return r; -} - -/** - * mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0 - * @ioc: per adapter object - * @mpi_reply: reply mf payload returned from firmware - * @config_page: contents of the config page - * @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE - * @form_specific: specific to the form - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t - *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, - u32 form_specific) -{ - Mpi2ConfigRequest_t mpi_request; - int r; - - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK; - mpi_request.Header.PageNumber = 0; - mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.PageAddress = cpu_to_le32(form | form_specific); - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - r = _config_request(ioc, &mpi_request, mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - sizeof(*config_page)); - out: - return r; -} - -/** - * mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components - * @ioc: per adapter object - * @pd_handle: phys disk handle - * @volume_handle: volume handle - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, - u16 *volume_handle) -{ - Mpi2RaidConfigurationPage0_t *config_page = NULL; - Mpi2ConfigRequest_t mpi_request; - Mpi2ConfigReply_t mpi_reply; - int r, i, config_page_sz; - u16 ioc_status; - int config_num; - u16 element_type; - u16 phys_disk_dev_handle; - - *volume_handle = 0; - memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); - mpi_request.Function = MPI2_FUNCTION_CONFIG; - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; - mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED; - mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG; - mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION; - mpi_request.Header.PageNumber = 0; - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE); - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); - if (r) - goto out; - - mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; - config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4); - config_page = kmalloc(config_page_sz, GFP_KERNEL); - if (!config_page) { - r = -1; - goto out; - } - config_num = 0xff; - while (1) { - mpi_request.PageAddress = cpu_to_le32(config_num + - MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM); - r = _config_request(ioc, &mpi_request, &mpi_reply, - MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, - config_page_sz); - if (r) - goto out; - r = -1; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - goto out; - for (i = 0; i < config_page->NumElements; i++) { - element_type = le16_to_cpu(config_page-> - ConfigElement[i].ElementFlags) & - MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE; - if (element_type == - MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT || - element_type == - MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT) { - phys_disk_dev_handle = - le16_to_cpu(config_page->ConfigElement[i]. - PhysDiskDevHandle); - if (phys_disk_dev_handle == pd_handle) { - *volume_handle = - le16_to_cpu(config_page-> - ConfigElement[i].VolDevHandle); - r = 0; - goto out; - } - } else if (element_type == - MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT) { - *volume_handle = 0; - r = 0; - goto out; - } - } - config_num = config_page->ConfigNum; - } - out: - kfree(config_page); - return r; -} - -/** - * mpt2sas_config_get_volume_wwid - returns wwid given the volume handle - * @ioc: per adapter object - * @volume_handle: volume handle - * @wwid: volume wwid - * Context: sleep. - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, - u64 *wwid) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2RaidVolPage1_t raid_vol_pg1; - - *wwid = 0; - if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, - volume_handle))) { - *wwid = le64_to_cpu(raid_vol_pg1.WWID); - return 0; - } else - return -1; -} diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c deleted file mode 100644 index 3694b63bd993..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ /dev/null @@ -1,3101 +0,0 @@ -/* - * Management Module Support for MPT (Message Passing Technology) based - * controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/mutex.h> -#include <linux/compat.h> -#include <linux/poll.h> - -#include <linux/io.h> -#include <linux/uaccess.h> - -#include "mpt2sas_base.h" -#include "mpt2sas_ctl.h" - -static DEFINE_MUTEX(_ctl_mutex); -static struct fasync_struct *async_queue; -static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); - -static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, - u8 *issue_reset); - -/** - * enum block_state - blocking state - * @NON_BLOCKING: non blocking - * @BLOCKING: blocking - * - * These states are for ioctls that need to wait for a response - * from firmware, so they probably require sleep. - */ -enum block_state { - NON_BLOCKING, - BLOCKING, -}; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _ctl_sas_device_find_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device, *r; - - r = NULL; - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->handle != handle) - continue; - r = sas_device; - goto out; - } - - out: - return r; -} - -/** - * _ctl_display_some_debug - debug routine - * @ioc: per adapter object - * @smid: system request message index - * @calling_function_name: string pass from calling function - * @mpi_reply: reply message frame - * Context: none. - * - * Function for displaying debug info helpful when debugging issues - * in this module. - */ -static void -_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, - char *calling_function_name, MPI2DefaultReply_t *mpi_reply) -{ - Mpi2ConfigRequest_t *mpi_request; - char *desc = NULL; - - if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) - return; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - switch (mpi_request->Function) { - case MPI2_FUNCTION_SCSI_IO_REQUEST: - { - Mpi2SCSIIORequest_t *scsi_request = - (Mpi2SCSIIORequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "scsi_io, cmd(0x%02x), cdb_len(%d)", - scsi_request->CDB.CDB32[0], - le16_to_cpu(scsi_request->IoFlags) & 0xF); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_SCSI_TASK_MGMT: - desc = "task_mgmt"; - break; - case MPI2_FUNCTION_IOC_INIT: - desc = "ioc_init"; - break; - case MPI2_FUNCTION_IOC_FACTS: - desc = "ioc_facts"; - break; - case MPI2_FUNCTION_CONFIG: - { - Mpi2ConfigRequest_t *config_request = - (Mpi2ConfigRequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "config, type(0x%02x), ext_type(0x%02x), number(%d)", - (config_request->Header.PageType & - MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, - config_request->Header.PageNumber); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_PORT_FACTS: - desc = "port_facts"; - break; - case MPI2_FUNCTION_PORT_ENABLE: - desc = "port_enable"; - break; - case MPI2_FUNCTION_EVENT_NOTIFICATION: - desc = "event_notification"; - break; - case MPI2_FUNCTION_FW_DOWNLOAD: - desc = "fw_download"; - break; - case MPI2_FUNCTION_FW_UPLOAD: - desc = "fw_upload"; - break; - case MPI2_FUNCTION_RAID_ACTION: - desc = "raid_action"; - break; - case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: - { - Mpi2SCSIIORequest_t *scsi_request = - (Mpi2SCSIIORequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "raid_pass, cmd(0x%02x), cdb_len(%d)", - scsi_request->CDB.CDB32[0], - le16_to_cpu(scsi_request->IoFlags) & 0xF); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - desc = "sas_iounit_cntl"; - break; - case MPI2_FUNCTION_SATA_PASSTHROUGH: - desc = "sata_pass"; - break; - case MPI2_FUNCTION_DIAG_BUFFER_POST: - desc = "diag_buffer_post"; - break; - case MPI2_FUNCTION_DIAG_RELEASE: - desc = "diag_release"; - break; - case MPI2_FUNCTION_SMP_PASSTHROUGH: - desc = "smp_passthrough"; - break; - } - - if (!desc) - return; - - printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n", - ioc->name, calling_function_name, desc, smid); - - if (!mpi_reply) - return; - - if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) - printk(MPT2SAS_INFO_FMT - "\tiocstatus(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); - - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - Mpi2SCSIIOReply_t *scsi_reply = - (Mpi2SCSIIOReply_t *)mpi_reply; - struct _sas_device *sas_device = NULL; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _ctl_sas_device_find_by_handle(ioc, - le16_to_cpu(scsi_reply->DevHandle)); - if (sas_device) { - printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " - "phy(%d)\n", ioc->name, (unsigned long long) - sas_device->sas_address, sas_device->phy); - printk(MPT2SAS_WARN_FMT - "\tenclosure_logical_id(0x%016llx), slot(%d)\n", - ioc->name, sas_device->enclosure_logical_id, - sas_device->slot); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) - printk(MPT2SAS_INFO_FMT - "\tscsi_state(0x%02x), scsi_status" - "(0x%02x)\n", ioc->name, - scsi_reply->SCSIState, - scsi_reply->SCSIStatus); - } -} -#endif - -/** - * mpt2sas_ctl_done - ctl module completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: none. - * - * The callback handler when using ioc->ctl_cb_idx. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - Mpi2SCSIIOReply_t *scsiio_reply; - const void *sense_data; - u32 sz; - - if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->ctl_cmds.smid != smid) - return 1; - ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE; - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply) { - memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID; - /* get sense data */ - if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_reply->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; - if (scsiio_reply->SCSIState & - MPI2_SCSI_STATE_AUTOSENSE_VALID) { - sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, - le32_to_cpu(scsiio_reply->SenseCount)); - sense_data = mpt2sas_base_get_sense_buffer(ioc, - smid); - memcpy(ioc->ctl_cmds.sense, sense_data, sz); - } - } - } -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); -#endif - ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->ctl_cmds.done); - return 1; -} - -/** - * _ctl_check_event_type - determines when an event needs logging - * @ioc: per adapter object - * @event: firmware event - * - * The bitmask in ioc->event_type[] indicates which events should be - * be saved in the driver event_log. This bitmask is set by application. - * - * Returns 1 when event should be captured, or zero means no match. - */ -static int -_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event) -{ - u16 i; - u32 desired_event; - - if (event >= 128 || !event || !ioc->event_log) - return 0; - - desired_event = (1 << (event % 32)); - if (!desired_event) - desired_event = 1; - i = event / 32; - return desired_event & ioc->event_type[i]; -} - -/** - * mpt2sas_ctl_add_to_event_log - add event - * @ioc: per adapter object - * @mpi_reply: reply message frame - * - * Return nothing. - */ -void -mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventNotificationReply_t *mpi_reply) -{ - struct MPT2_IOCTL_EVENTS *event_log; - u16 event; - int i; - u32 sz, event_data_sz; - u8 send_aen = 0; - - if (!ioc->event_log) - return; - - event = le16_to_cpu(mpi_reply->Event); - - if (_ctl_check_event_type(ioc, event)) { - - /* insert entry into circular event_log */ - i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE; - event_log = ioc->event_log; - event_log[i].event = event; - event_log[i].context = ioc->event_context++; - - event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; - sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE); - memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE); - memcpy(event_log[i].data, mpi_reply->EventData, sz); - send_aen = 1; - } - - /* This aen_event_read_flag flag is set until the - * application has read the event log. - * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. - */ - if (event == MPI2_EVENT_LOG_ENTRY_ADDED || - (send_aen && !ioc->aen_event_read_flag)) { - ioc->aen_event_read_flag = 1; - wake_up_interruptible(&ctl_poll_wait); - if (async_queue) - kill_fasync(&async_queue, SIGIO, POLL_IN); - } -} - -/** - * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time) - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt. - * - * This function merely adds a new work task into ioc->firmware_event_thread. - * The tasks are worked from _firmware_event_work in user context. - * - * Returns void. - */ -void -mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply) -{ - Mpi2EventNotificationReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - mpt2sas_ctl_add_to_event_log(ioc, mpi_reply); - return; -} - -/** - * _ctl_verify_adapter - validates ioc_number passed from application - * @ioc: per adapter object - * @iocpp: The ioc pointer is returned in this. - * - * Return (-1) means error, else ioc_number. - */ -static int -_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) -{ - struct MPT2SAS_ADAPTER *ioc; - /* global ioc lock to protect controller on list operations */ - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { - if (ioc->id != ioc_number) - continue; - spin_unlock(&gioc_lock); - *iocpp = ioc; - return ioc_number; - } - spin_unlock(&gioc_lock); - *iocpp = NULL; - return -1; -} - -/** - * mpt2sas_ctl_reset_handler - reset callback handler (for ctl) - * @ioc: per adapter object - * @reset_phase: phase - * - * The handler for doing any required cleanup or initialization. - * - * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, - * MPT2_IOC_DONE_RESET - */ -void -mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - int i; - u8 issue_reset; - - switch (reset_phase) { - case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - continue; - _ctl_send_release(ioc, i, &issue_reset); - } - break; - case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) { - ioc->ctl_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid); - complete(&ioc->ctl_cmds.done); - } - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - continue; - ioc->diag_buffer_status[i] |= - MPT2_DIAG_BUFFER_IS_DIAG_RESET; - } - break; - } -} - -/** - * _ctl_fasync - - * @fd - - * @filep - - * @mode - - * - * Called when application request fasyn callback handler. - */ -static int -_ctl_fasync(int fd, struct file *filep, int mode) -{ - return fasync_helper(fd, filep, mode, &async_queue); -} - -/** - * _ctl_poll - - * @file - - * @wait - - * - */ -static unsigned int -_ctl_poll(struct file *filep, poll_table *wait) -{ - struct MPT2SAS_ADAPTER *ioc; - - poll_wait(filep, &ctl_poll_wait, wait); - - /* global ioc lock to protect controller on list operations */ - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { - if (ioc->aen_event_read_flag) { - spin_unlock(&gioc_lock); - return POLLIN | POLLRDNORM; - } - } - spin_unlock(&gioc_lock); - return 0; -} - -/** - * _ctl_set_task_mid - assign an active smid to tm request - * @ioc: per adapter object - * @karg - (struct mpt2_ioctl_command) - * @tm_request - pointer to mf from user space - * - * Returns 0 when an smid if found, else fail. - * during failure, the reply frame is filled. - */ -static int -_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg, - Mpi2SCSITaskManagementRequest_t *tm_request) -{ - u8 found = 0; - u16 i; - u16 handle; - struct scsi_cmnd *scmd; - struct MPT2SAS_DEVICE *priv_data; - unsigned long flags; - Mpi2SCSITaskManagementReply_t *tm_reply; - u32 sz; - u32 lun; - char *desc = NULL; - - if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) - desc = "abort_task"; - else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) - desc = "query_task"; - else - return 0; - - lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); - - handle = le16_to_cpu(tm_request->DevHandle); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - for (i = ioc->scsiio_depth; i && !found; i--) { - scmd = ioc->scsi_lookup[i - 1].scmd; - if (scmd == NULL || scmd->device == NULL || - scmd->device->hostdata == NULL) - continue; - if (lun != scmd->device->lun) - continue; - priv_data = scmd->device->hostdata; - if (priv_data->sas_target == NULL) - continue; - if (priv_data->sas_target->handle != handle) - continue; - tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); - found = 1; - } - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - if (!found) { - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name, - desc, le16_to_cpu(tm_request->DevHandle), lun)); - tm_reply = ioc->ctl_cmds.reply; - tm_reply->DevHandle = tm_request->DevHandle; - tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - tm_reply->TaskType = tm_request->TaskType; - tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; - tm_reply->VP_ID = tm_request->VP_ID; - tm_reply->VF_ID = tm_request->VF_ID; - sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); - if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, - sz)) - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - return 1; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, - desc, le16_to_cpu(tm_request->DevHandle), lun, - le16_to_cpu(tm_request->TaskMID))); - return 0; -} - -/** - * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode - * @ioc: per adapter object - * @karg - (struct mpt2_ioctl_command) - * @mf - pointer to mf in user space - */ -static long -_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg, - void __user *mf) -{ - MPI2RequestHeader_t *mpi_request = NULL, *request; - MPI2DefaultReply_t *mpi_reply; - u32 ioc_state; - u16 ioc_status; - u16 smid; - unsigned long timeout, timeleft; - u8 issue_reset; - u32 sz; - void *psge; - void *data_out = NULL; - dma_addr_t data_out_dma; - size_t data_out_sz = 0; - void *data_in = NULL; - dma_addr_t data_in_dma; - size_t data_in_sz = 0; - u32 sgl_flags; - long ret; - u16 wait_state_count; - - issue_reset = 0; - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - ret = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); - if (!mpi_request) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for " - "mpi_request\n", ioc->name, __func__); - ret = -ENOMEM; - goto out; - } - - /* Check for overflow and wraparound */ - if (karg.data_sge_offset * 4 > ioc->request_sz || - karg.data_sge_offset > (UINT_MAX / 4)) { - ret = -EINVAL; - goto out; - } - - /* copy in request message frame from user */ - if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__, - __func__); - ret = -EFAULT; - goto out; - } - - if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - } else { - - smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - } - - ret = 0; - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - request = mpt2sas_base_get_msg_frame(ioc, smid); - memcpy(request, mpi_request, karg.data_sge_offset*4); - ioc->ctl_cmds.smid = smid; - data_out_sz = karg.data_out_size; - data_in_sz = karg.data_in_size; - - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - if (!le16_to_cpu(mpi_request->FunctionDependent1) || - le16_to_cpu(mpi_request->FunctionDependent1) > - ioc->facts.MaxDevHandle) { - ret = -EINVAL; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - /* obtain dma-able memory for data transfer */ - if (data_out_sz) /* WRITE */ { - data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, - &data_out_dma); - if (!data_out) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - if (copy_from_user(data_out, karg.data_out_buf_ptr, - data_out_sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -EFAULT; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - if (data_in_sz) /* READ */ { - data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, - &data_in_dma); - if (!data_in) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - /* add scatter gather elements */ - psge = (void *)request + (karg.data_sge_offset*4); - - if (!data_out_sz && !data_in_sz) { - mpt2sas_base_build_zero_len_sge(ioc, psge); - } else if (data_out_sz && data_in_sz) { - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_out_sz, data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_in_sz, data_in_dma); - } else if (data_out_sz) /* WRITE */ { - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_out_sz, data_out_dma); - } else if (data_in_sz) /* READ */ { - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_in_sz, data_in_dma); - } - - /* send command to firmware */ -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); -#endif - - init_completion(&ioc->ctl_cmds.done); - switch (mpi_request->Function) { - case MPI2_FUNCTION_SCSI_IO_REQUEST: - case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: - { - Mpi2SCSIIORequest_t *scsiio_request = - (Mpi2SCSIIORequest_t *)request; - scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; - scsiio_request->SenseBufferLowAddress = - mpt2sas_base_get_sense_buffer_dma(ioc, smid); - memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) - mpt2sas_base_put_smid_scsi_io(ioc, smid, - le16_to_cpu(mpi_request->FunctionDependent1)); - else - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - case MPI2_FUNCTION_SCSI_TASK_MGMT: - { - Mpi2SCSITaskManagementRequest_t *tm_request = - (Mpi2SCSITaskManagementRequest_t *)request; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: " - "handle(0x%04x), task_type(0x%02x)\n", ioc->name, - le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); - - if (tm_request->TaskType == - MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || - tm_request->TaskType == - MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { - if (_ctl_set_task_mid(ioc, &karg, tm_request)) { - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu( - tm_request->DevHandle)); - mpt2sas_base_put_smid_hi_priority(ioc, smid); - break; - } - case MPI2_FUNCTION_SMP_PASSTHROUGH: - { - Mpi2SmpPassthroughRequest_t *smp_request = - (Mpi2SmpPassthroughRequest_t *)mpi_request; - u8 *data; - - /* ioc determines which port to use */ - smp_request->PhysicalPort = 0xFF; - if (smp_request->PassthroughFlags & - MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) - data = (u8 *)&smp_request->SGL; - else { - if (unlikely(data_out == NULL)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - mpt2sas_base_free_smid(ioc, smid); - ret = -EINVAL; - goto out; - } - data = data_out; - } - - if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { - ioc->ioc_link_reset_in_progress = 1; - ioc->ignore_loginfos = 1; - } - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - { - Mpi2SasIoUnitControlRequest_t *sasiounit_request = - (Mpi2SasIoUnitControlRequest_t *)mpi_request; - - if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET - || sasiounit_request->Operation == - MPI2_SAS_OP_PHY_LINK_RESET) { - ioc->ioc_link_reset_in_progress = 1; - ioc->ignore_loginfos = 1; - } - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - default: - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - - if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT) - timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; - else - timeout = karg.timeout; - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - timeout*HZ); - if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { - Mpi2SCSITaskManagementRequest_t *tm_request = - (Mpi2SCSITaskManagementRequest_t *)mpi_request; - mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu( - tm_request->DevHandle)); - } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || - mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && - ioc->ioc_link_reset_in_progress) { - ioc->ioc_link_reset_in_progress = 0; - ioc->ignore_loginfos = 0; - } - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, karg.data_sge_offset); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && - (ioc->logging_level & MPT_DEBUG_TM)) { - Mpi2SCSITaskManagementReply_t *tm_reply = - (Mpi2SCSITaskManagementReply_t *)mpi_reply; - - printk(MPT2SAS_INFO_FMT "TASK_MGMT: " - "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " - "TerminationCount(0x%08x)\n", ioc->name, - le16_to_cpu(tm_reply->IOCStatus), - le32_to_cpu(tm_reply->IOCLogInfo), - le32_to_cpu(tm_reply->TerminationCount)); - } -#endif - /* copy out xdata to user */ - if (data_in_sz) { - if (copy_to_user(karg.data_in_buf_ptr, data_in, - data_in_sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - /* copy out reply message frame to user */ - if (karg.max_reply_bytes) { - sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); - if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, - sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - /* copy out sense to user */ - if (karg.max_sense_bytes && (mpi_request->Function == - MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { - sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); - if (copy_to_user(karg.sense_data_ptr, - ioc->ctl_cmds.sense, sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - issue_host_reset: - if (issue_reset) { - ret = -ENODATA; - if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || - mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { - printk(MPT2SAS_INFO_FMT "issue target reset: handle " - "= (0x%04x)\n", ioc->name, - le16_to_cpu(mpi_request->FunctionDependent1)); - mpt2sas_halt_firmware(ioc); - mpt2sas_scsih_issue_tm(ioc, - le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, - 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10, - TM_MUTEX_ON); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - } else - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - } - - out: - - /* free memory associated with sg buffers */ - if (data_in) - pci_free_consistent(ioc->pdev, data_in_sz, data_in, - data_in_dma); - - if (data_out) - pci_free_consistent(ioc->pdev, data_out_sz, data_out, - data_out_dma); - - kfree(mpi_request); - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - return ret; -} - -/** - * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_iocinfo karg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - memset(&karg, 0 , sizeof(karg)); - if (ioc->is_warpdrive) - karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; - else - karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; - if (ioc->pfacts) - karg.port_number = ioc->pfacts[0].PortNumber; - karg.hw_rev = ioc->pdev->revision; - karg.pci_id = ioc->pdev->device; - karg.subsystem_device = ioc->pdev->subsystem_device; - karg.subsystem_vendor = ioc->pdev->subsystem_vendor; - karg.pci_information.u.bits.bus = ioc->pdev->bus->number; - karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); - karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); - karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); - karg.firmware_version = ioc->facts.FWVersion.Word; - strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); - strcat(karg.driver_version, "-"); - strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); - karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - - if (copy_to_user(arg, &karg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_eventquery karg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE; - memcpy(karg.event_types, ioc->event_type, - MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); - - if (copy_to_user(arg, &karg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_eventenable karg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - if (ioc->event_log) - return 0; - memcpy(ioc->event_type, karg.event_types, - MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); - mpt2sas_base_validate_event_type(ioc, ioc->event_type); - - /* initialize event_log */ - ioc->event_context = 0; - ioc->aen_event_read_flag = 0; - ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE, - sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL); - if (!ioc->event_log) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -ENOMEM; - } - return 0; -} - -/** - * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_eventreport karg; - u32 number_bytes, max_events, max; - struct mpt2_ioctl_eventreport __user *uarg = arg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - number_bytes = karg.hdr.max_data_size - - sizeof(struct mpt2_ioctl_header); - max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS); - max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events); - - /* If fewer than 1 event is requested, there must have - * been some type of error. - */ - if (!max || !ioc->event_log) - return -ENODATA; - - number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS); - if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - /* reset flag so SIGIO can restart */ - ioc->aen_event_read_flag = 0; - return 0; -} - -/** - * _ctl_do_reset - main handler for MPT2HARDRESET opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_diag_reset karg; - int retval; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - if (ioc->shost_recovery || ioc->pci_error_recovery || - ioc->is_driver_loading) - return -EAGAIN; - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - printk(MPT2SAS_INFO_FMT "host reset: %s\n", - ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); - return 0; -} - -/** - * _ctl_btdh_search_sas_device - searching for sas device - * @ioc: per adapter object - * @btdh: btdh ioctl payload - */ -static int -_ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc, - struct mpt2_ioctl_btdh_mapping *btdh) -{ - struct _sas_device *sas_device; - unsigned long flags; - int rc = 0; - - if (list_empty(&ioc->sas_device_list)) - return rc; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && - btdh->handle == sas_device->handle) { - btdh->bus = sas_device->channel; - btdh->id = sas_device->id; - rc = 1; - goto out; - } else if (btdh->bus == sas_device->channel && btdh->id == - sas_device->id && btdh->handle == 0xFFFF) { - btdh->handle = sas_device->handle; - rc = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return rc; -} - -/** - * _ctl_btdh_search_raid_device - searching for raid device - * @ioc: per adapter object - * @btdh: btdh ioctl payload - */ -static int -_ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc, - struct mpt2_ioctl_btdh_mapping *btdh) -{ - struct _raid_device *raid_device; - unsigned long flags; - int rc = 0; - - if (list_empty(&ioc->raid_device_list)) - return rc; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && - btdh->handle == raid_device->handle) { - btdh->bus = raid_device->channel; - btdh->id = raid_device->id; - rc = 1; - goto out; - } else if (btdh->bus == raid_device->channel && btdh->id == - raid_device->id && btdh->handle == 0xFFFF) { - btdh->handle = raid_device->handle; - rc = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - return rc; -} - -/** - * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_btdh_mapping karg; - int rc; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - rc = _ctl_btdh_search_sas_device(ioc, &karg); - if (!rc) - _ctl_btdh_search_raid_device(ioc, &karg); - - if (copy_to_user(arg, &karg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_diag_capability - return diag buffer capability - * @ioc: per adapter object - * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED - * - * returns 1 when diag buffer support is enabled in firmware - */ -static u8 -_ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) -{ - u8 rc = 0; - - switch (buffer_type) { - case MPI2_DIAG_BUF_TYPE_TRACE: - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) - rc = 1; - break; - case MPI2_DIAG_BUF_TYPE_SNAPSHOT: - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) - rc = 1; - break; - case MPI2_DIAG_BUF_TYPE_EXTENDED: - if (ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) - rc = 1; - } - - return rc; -} - -/** - * _ctl_diag_register_2 - wrapper for registering diag buffer support - * @ioc: per adapter object - * @diag_register: the diag_register struct passed in from user space - * - */ -static long -_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, - struct mpt2_diag_register *diag_register) -{ - int rc, i; - void *request_data = NULL; - dma_addr_t request_data_dma; - u32 request_data_sz = 0; - Mpi2DiagBufferPostRequest_t *mpi_request; - Mpi2DiagBufferPostReply_t *mpi_reply; - u8 buffer_type; - unsigned long timeleft; - u16 smid; - u16 ioc_status; - u8 issue_reset = 0; - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - buffer_type = diag_register->buffer_type; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if (ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) { - printk(MPT2SAS_ERR_FMT "%s: already has a registered " - "buffer for buffer_type(0x%02x)\n", ioc->name, __func__, - buffer_type); - return -EINVAL; - } - - if (diag_register->requested_buffer_size % 4) { - printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size " - "is not 4 byte aligned\n", ioc->name, __func__); - return -EINVAL; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->ctl_cmds.smid = smid; - - request_data = ioc->diag_buffer[buffer_type]; - request_data_sz = diag_register->requested_buffer_size; - ioc->unique_id[buffer_type] = diag_register->unique_id; - ioc->diag_buffer_status[buffer_type] = 0; - memcpy(ioc->product_specific[buffer_type], - diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS); - ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; - - if (request_data) { - request_data_dma = ioc->diag_buffer_dma[buffer_type]; - if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { - pci_free_consistent(ioc->pdev, - ioc->diag_buffer_sz[buffer_type], - request_data, request_data_dma); - request_data = NULL; - } - } - - if (request_data == NULL) { - ioc->diag_buffer_sz[buffer_type] = 0; - ioc->diag_buffer_dma[buffer_type] = 0; - request_data = pci_alloc_consistent( - ioc->pdev, request_data_sz, &request_data_dma); - if (request_data == NULL) { - printk(MPT2SAS_ERR_FMT "%s: failed allocating memory" - " for diag buffers, requested size(%d)\n", - ioc->name, __func__, request_data_sz); - mpt2sas_base_free_smid(ioc, smid); - return -ENOMEM; - } - ioc->diag_buffer[buffer_type] = request_data; - ioc->diag_buffer_sz[buffer_type] = request_data_sz; - ioc->diag_buffer_dma[buffer_type] = request_data_dma; - } - - mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; - mpi_request->BufferType = diag_register->buffer_type; - mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); - mpi_request->BufferAddress = cpu_to_le64(request_data_dma); - mpi_request->BufferLength = cpu_to_le32(request_data_sz); - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), " - "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data, - (unsigned long long)request_data_dma, - le32_to_cpu(mpi_request->BufferLength))); - - for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) - mpi_request->ProductSpecific[i] = - cpu_to_le32(ioc->product_specific[buffer_type][i]); - - init_completion(&ioc->ctl_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); - - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagBufferPostRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - /* process the completed Reply Message Frame */ - if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { - printk(MPT2SAS_ERR_FMT "%s: no reply message\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - ioc->diag_buffer_status[buffer_type] |= - MPT2_DIAG_BUFFER_IS_REGISTERED; - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", - ioc->name, __func__)); - } else { - printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " - "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); - rc = -EFAULT; - } - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - - out: - - if (rc && request_data) - pci_free_consistent(ioc->pdev, request_data_sz, - request_data, request_data_dma); - - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - return rc; -} - -/** - * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time - * @ioc: per adapter object - * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 - * - * This is called when command line option diag_buffer_enable is enabled - * at driver load time. - */ -void -mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) -{ - struct mpt2_diag_register diag_register; - - memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); - - if (bits_to_register & 1) { - printk(MPT2SAS_INFO_FMT "registering trace buffer support\n", - ioc->name); - diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; - /* register for 1MB buffers */ - diag_register.requested_buffer_size = (1024 * 1024); - diag_register.unique_id = 0x7075900; - _ctl_diag_register_2(ioc, &diag_register); - } - - if (bits_to_register & 2) { - printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n", - ioc->name); - diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; - /* register for 2MB buffers */ - diag_register.requested_buffer_size = 2 * (1024 * 1024); - diag_register.unique_id = 0x7075901; - _ctl_diag_register_2(ioc, &diag_register); - } - - if (bits_to_register & 4) { - printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", - ioc->name); - diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; - /* register for 2MB buffers */ - diag_register.requested_buffer_size = 2 * (1024 * 1024); - diag_register.unique_id = 0x7075901; - _ctl_diag_register_2(ioc, &diag_register); - } -} - -/** - * _ctl_diag_register - application register with driver - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - * - * This will allow the driver to setup any required buffers that will be - * needed by firmware to communicate with the driver. - */ -static long -_ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_diag_register karg; - long rc; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - rc = _ctl_diag_register_2(ioc, &karg); - return rc; -} - -/** - * _ctl_diag_unregister - application unregister with driver - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - * - * This will allow the driver to cleanup any memory allocated for diag - * messages and to free up any resources. - */ -static long -_ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_diag_unregister karg; - void *request_data; - dma_addr_t request_data_dma; - u32 request_data_sz; - u8 buffer_type; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - buffer_type = karg.unique_id & 0x000000ff; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " - "registered\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been " - "released\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, karg.unique_id); - return -EINVAL; - } - - request_data = ioc->diag_buffer[buffer_type]; - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; - } - - request_data_sz = ioc->diag_buffer_sz[buffer_type]; - request_data_dma = ioc->diag_buffer_dma[buffer_type]; - pci_free_consistent(ioc->pdev, request_data_sz, - request_data, request_data_dma); - ioc->diag_buffer[buffer_type] = NULL; - ioc->diag_buffer_status[buffer_type] = 0; - return 0; -} - -/** - * _ctl_diag_query - query relevant info associated with diag buffers - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - * - * The application will send only buffer_type and unique_id. Driver will - * inspect unique_id first, if valid, fill in all the info. If unique_id is - * 0x00, the driver will return info specified by Buffer Type. - */ -static long -_ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_diag_query karg; - void *request_data; - int i; - u8 buffer_type; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - karg.application_flags = 0; - buffer_type = karg.buffer_type; - - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " - "registered\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - - if (karg.unique_id & 0xffffff00) { - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, - karg.unique_id); - return -EINVAL; - } - } - - request_data = ioc->diag_buffer[buffer_type]; - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; - } - - if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED) - karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | - MPT2_APP_FLAGS_BUFFER_VALID); - else - karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | - MPT2_APP_FLAGS_BUFFER_VALID | - MPT2_APP_FLAGS_FW_BUFFER_ACCESS); - - for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) - karg.product_specific[i] = - ioc->product_specific[buffer_type][i]; - - karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; - karg.driver_added_buffer_size = 0; - karg.unique_id = ioc->unique_id[buffer_type]; - karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; - - if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) { - printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query " - "data @ %p\n", ioc->name, __func__, arg); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_send_release - Diag Release Message - * @ioc: per adapter object - * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED - * @issue_reset - specifies whether host reset is required. - * - */ -static int -_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) -{ - Mpi2DiagReleaseRequest_t *mpi_request; - Mpi2DiagReleaseReply_t *mpi_reply; - u16 smid; - u16 ioc_status; - u32 ioc_state; - int rc; - unsigned long timeleft; - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - rc = 0; - *issue_reset = 0; - - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "skipping due to FAULT state\n", ioc->name, - __func__)); - rc = -EAGAIN; - goto out; - } - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->ctl_cmds.smid = smid; - - mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; - mpi_request->BufferType = buffer_type; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - - init_completion(&ioc->ctl_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); - - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagReleaseRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - *issue_reset = 1; - rc = -EFAULT; - goto out; - } - - /* process the completed Reply Message Frame */ - if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { - printk(MPT2SAS_ERR_FMT "%s: no reply message\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - ioc->diag_buffer_status[buffer_type] |= - MPT2_DIAG_BUFFER_IS_RELEASED; - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", - ioc->name, __func__)); - } else { - printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " - "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); - rc = -EFAULT; - } - - out: - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - return rc; -} - -/** - * _ctl_diag_release - request to send Diag Release Message to firmware - * @arg - user space buffer containing ioctl content - * - * This allows ownership of the specified buffer to returned to the driver, - * allowing an application to read the buffer without fear that firmware is - * overwritting information in the buffer. - */ -static long -_ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_diag_release karg; - void *request_data; - int rc; - u8 buffer_type; - u8 issue_reset = 0; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - buffer_type = karg.unique_id & 0x000000ff; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " - "registered\n", ioc->name, __func__, buffer_type); - return -EINVAL; - } - - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, karg.unique_id); - return -EINVAL; - } - - if (ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_RELEASED) { - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " - "is already released\n", ioc->name, __func__, - buffer_type); - return 0; - } - - request_data = ioc->diag_buffer[buffer_type]; - - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; - } - - /* buffers were released by due to host reset */ - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { - ioc->diag_buffer_status[buffer_type] |= - MPT2_DIAG_BUFFER_IS_RELEASED; - ioc->diag_buffer_status[buffer_type] &= - ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; - printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " - "was released due to host reset\n", ioc->name, __func__, - buffer_type); - return 0; - } - - rc = _ctl_send_release(ioc, buffer_type, &issue_reset); - - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - - return rc; -} - -/** - * _ctl_diag_read_buffer - request for copy of the diag buffer - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_diag_read_buffer karg; - struct mpt2_diag_read_buffer __user *uarg = arg; - void *request_data, *diag_data; - Mpi2DiagBufferPostRequest_t *mpi_request; - Mpi2DiagBufferPostReply_t *mpi_reply; - int rc, i; - u8 buffer_type; - unsigned long timeleft, request_size, copy_size; - u16 smid; - u16 ioc_status; - u8 issue_reset = 0; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, - __func__)); - - buffer_type = karg.unique_id & 0x000000ff; - if (!_ctl_diag_capability(ioc, buffer_type)) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -EPERM; - } - - if (karg.unique_id != ioc->unique_id[buffer_type]) { - printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " - "registered\n", ioc->name, __func__, karg.unique_id); - return -EINVAL; - } - - request_data = ioc->diag_buffer[buffer_type]; - if (!request_data) { - printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); - return -ENOMEM; - } - - request_size = ioc->diag_buffer_sz[buffer_type]; - - if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { - printk(MPT2SAS_ERR_FMT "%s: either the starting_offset " - "or bytes_to_read are not 4 byte aligned\n", ioc->name, - __func__); - return -EINVAL; - } - - if (karg.starting_offset > request_size) - return -EINVAL; - - diag_data = (void *)(request_data + karg.starting_offset); - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), " - "offset(%d), sz(%d)\n", ioc->name, __func__, - diag_data, karg.starting_offset, karg.bytes_to_read)); - - /* Truncate data on requests that are too large */ - if ((diag_data + karg.bytes_to_read < diag_data) || - (diag_data + karg.bytes_to_read > request_data + request_size)) - copy_size = request_size - karg.starting_offset; - else - copy_size = karg.bytes_to_read; - - if (copy_to_user((void __user *)uarg->diagnostic_data, - diag_data, copy_size)) { - printk(MPT2SAS_ERR_FMT "%s: Unable to write " - "mpt_diag_read_buffer_t data @ %p\n", ioc->name, - __func__, diag_data); - return -EFAULT; - } - - if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0) - return 0; - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister " - "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type)); - if ((ioc->diag_buffer_status[buffer_type] & - MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "buffer_type(0x%02x) is still registered\n", ioc->name, - __func__, buffer_type)); - return 0; - } - /* Get a free request frame and save the message context. - */ - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->ctl_cmds.smid = smid; - - mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; - mpi_request->BufferType = buffer_type; - mpi_request->BufferLength = - cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); - mpi_request->BufferAddress = - cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); - for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) - mpi_request->ProductSpecific[i] = - cpu_to_le32(ioc->product_specific[buffer_type][i]); - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - - init_completion(&ioc->ctl_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); - - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagBufferPostRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - /* process the completed Reply Message Frame */ - if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { - printk(MPT2SAS_ERR_FMT "%s: no reply message\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - ioc->diag_buffer_status[buffer_type] |= - MPT2_DIAG_BUFFER_IS_REGISTERED; - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", - ioc->name, __func__)); - } else { - printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " - "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); - rc = -EFAULT; - } - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - - out: - - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - return rc; -} - - -#ifdef CONFIG_COMPAT -/** - * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. - * @ioc: per adapter object - * @cmd - ioctl opcode - * @arg - (struct mpt2_ioctl_command32) - * - * MPT2COMMAND32 - Handle 32bit applications running on 64bit os. - */ -static long -_ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd, - void __user *arg) -{ - struct mpt2_ioctl_command32 karg32; - struct mpt2_ioctl_command32 __user *uarg; - struct mpt2_ioctl_command karg; - - if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32)) - return -EINVAL; - - uarg = (struct mpt2_ioctl_command32 __user *) arg; - - if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - memset(&karg, 0, sizeof(struct mpt2_ioctl_command)); - karg.hdr.ioc_number = karg32.hdr.ioc_number; - karg.hdr.port_number = karg32.hdr.port_number; - karg.hdr.max_data_size = karg32.hdr.max_data_size; - karg.timeout = karg32.timeout; - karg.max_reply_bytes = karg32.max_reply_bytes; - karg.data_in_size = karg32.data_in_size; - karg.data_out_size = karg32.data_out_size; - karg.max_sense_bytes = karg32.max_sense_bytes; - karg.data_sge_offset = karg32.data_sge_offset; - karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); - karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); - karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); - karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); - return _ctl_do_mpt_command(ioc, karg, &uarg->mf); -} -#endif - -/** - * _ctl_ioctl_main - main ioctl entry point - * @file - (struct file) - * @cmd - ioctl opcode - * @arg - - * compat - handles 32 bit applications in 64bit os - */ -static long -_ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, - u8 compat) -{ - struct MPT2SAS_ADAPTER *ioc; - struct mpt2_ioctl_header ioctl_header; - enum block_state state; - long ret = -EINVAL; - - /* get IOCTL header */ - if (copy_from_user(&ioctl_header, (char __user *)arg, - sizeof(struct mpt2_ioctl_header))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) - return -ENODEV; - /* pci_access_mutex lock acquired by ioctl path */ - mutex_lock(&ioc->pci_access_mutex); - if (ioc->shost_recovery || ioc->pci_error_recovery || - ioc->is_driver_loading || ioc->remove_host) { - ret = -EAGAIN; - goto out_unlock_pciaccess; - } - - state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; - if (state == NON_BLOCKING) { - if (!mutex_trylock(&ioc->ctl_cmds.mutex)) { - ret = -EAGAIN; - goto out_unlock_pciaccess; - } - } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { - ret = -ERESTARTSYS; - goto out_unlock_pciaccess; - } - - switch (cmd) { - case MPT2IOCINFO: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo)) - ret = _ctl_getiocinfo(ioc, arg); - break; -#ifdef CONFIG_COMPAT - case MPT2COMMAND32: -#endif - case MPT2COMMAND: - { - struct mpt2_ioctl_command __user *uarg; - struct mpt2_ioctl_command karg; -#ifdef CONFIG_COMPAT - if (compat) { - ret = _ctl_compat_mpt_command(ioc, cmd, arg); - break; - } -#endif - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - ret = -EFAULT; - break; - } - - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) { - uarg = arg; - ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); - } - break; - } - case MPT2EVENTQUERY: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery)) - ret = _ctl_eventquery(ioc, arg); - break; - case MPT2EVENTENABLE: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable)) - ret = _ctl_eventenable(ioc, arg); - break; - case MPT2EVENTREPORT: - ret = _ctl_eventreport(ioc, arg); - break; - case MPT2HARDRESET: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset)) - ret = _ctl_do_reset(ioc, arg); - break; - case MPT2BTDHMAPPING: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping)) - ret = _ctl_btdh_mapping(ioc, arg); - break; - case MPT2DIAGREGISTER: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register)) - ret = _ctl_diag_register(ioc, arg); - break; - case MPT2DIAGUNREGISTER: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister)) - ret = _ctl_diag_unregister(ioc, arg); - break; - case MPT2DIAGQUERY: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query)) - ret = _ctl_diag_query(ioc, arg); - break; - case MPT2DIAGRELEASE: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release)) - ret = _ctl_diag_release(ioc, arg); - break; - case MPT2DIAGREADBUFFER: - if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer)) - ret = _ctl_diag_read_buffer(ioc, arg); - break; - default: - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT - "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); - break; - } - - mutex_unlock(&ioc->ctl_cmds.mutex); -out_unlock_pciaccess: - mutex_unlock(&ioc->pci_access_mutex); - return ret; -} - -/** - * _ctl_ioctl - main ioctl entry point (unlocked) - * @file - (struct file) - * @cmd - ioctl opcode - * @arg - - */ -static long -_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - long ret; - - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); - return ret; -} -#ifdef CONFIG_COMPAT -/** - * _ctl_ioctl_compat - main ioctl entry point (compat) - * @file - - * @cmd - - * @arg - - * - * This routine handles 32 bit applications in 64bit os. - */ -static long -_ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) -{ - long ret; - - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); - return ret; -} -#endif - -/* scsi host attributes */ - -/** - * _ctl_version_fw_show - firmware version - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", - (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, - (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, - (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, - ioc->facts.FWVersion.Word & 0x000000FF); -} -static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); - -/** - * _ctl_version_bios_show - bios version - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - - return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", - (version & 0xFF000000) >> 24, - (version & 0x00FF0000) >> 16, - (version & 0x0000FF00) >> 8, - version & 0x000000FF); -} -static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); - -/** - * _ctl_version_mpi_show - MPI (message passing interface) version - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", - ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); -} -static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); - -/** - * _ctl_version_product_show - product name - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_product_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); -} -static DEVICE_ATTR(version_product, S_IRUGO, - _ctl_version_product_show, NULL); - -/** - * _ctl_version_nvdata_persistent_show - ndvata persistent version - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_nvdata_persistent_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%08xh\n", - le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); -} -static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, - _ctl_version_nvdata_persistent_show, NULL); - -/** - * _ctl_version_nvdata_default_show - nvdata default version - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_version_nvdata_default_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%08xh\n", - le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); -} -static DEVICE_ATTR(version_nvdata_default, S_IRUGO, - _ctl_version_nvdata_default_show, NULL); - -/** - * _ctl_board_name_show - board name - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_board_name_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); -} -static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); - -/** - * _ctl_board_assembly_show - board assembly name - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); -} -static DEVICE_ATTR(board_assembly, S_IRUGO, - _ctl_board_assembly_show, NULL); - -/** - * _ctl_board_tracer_show - board tracer number - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); -} -static DEVICE_ATTR(board_tracer, S_IRUGO, - _ctl_board_tracer_show, NULL); - -/** - * _ctl_io_delay_show - io missing delay - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is for firmware implemention for deboucing device - * removal events. - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); -} -static DEVICE_ATTR(io_delay, S_IRUGO, - _ctl_io_delay_show, NULL); - -/** - * _ctl_device_delay_show - device missing delay - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is for firmware implemention for deboucing device - * removal events. - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); -} -static DEVICE_ATTR(device_delay, S_IRUGO, - _ctl_device_delay_show, NULL); - -/** - * _ctl_fw_queue_depth_show - global credits - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is firmware queue depth limit - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); -} -static DEVICE_ATTR(fw_queue_depth, S_IRUGO, - _ctl_fw_queue_depth_show, NULL); - -/** - * _ctl_sas_address_show - sas address - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is the controller sas address - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "0x%016llx\n", - (unsigned long long)ioc->sas_hba.sas_address); -} -static DEVICE_ATTR(host_sas_address, S_IRUGO, - _ctl_host_sas_address_show, NULL); - -/** - * _ctl_logging_level_show - logging level - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read/write' shost attribute. - */ -static ssize_t -_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); -} -static ssize_t -_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int val = 0; - - if (sscanf(buf, "%x", &val) != 1) - return -EINVAL; - - ioc->logging_level = val; - printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name, - ioc->logging_level); - return strlen(buf); -} -static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, - _ctl_logging_level_show, _ctl_logging_level_store); - -/* device attributes */ -/* - * _ctl_fwfault_debug_show - show/store fwfault_debug - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * mpt2sas_fwfault_debug is command line option - * A sysfs 'read/write' shost attribute. - */ -static ssize_t -_ctl_fwfault_debug_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); -} -static ssize_t -_ctl_fwfault_debug_store(struct device *cdev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int val = 0; - - if (sscanf(buf, "%d", &val) != 1) - return -EINVAL; - - ioc->fwfault_debug = val; - printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name, - ioc->fwfault_debug); - return strlen(buf); -} -static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, - _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); - - -/** - * _ctl_ioc_reset_count_show - ioc reset count - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is firmware queue depth limit - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count); -} -static DEVICE_ATTR(ioc_reset_count, S_IRUGO, - _ctl_ioc_reset_count_show, NULL); - -/** - * _ctl_ioc_reply_queue_count_show - number of reply queues - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is number of reply queues - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_ioc_reply_queue_count_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - u8 reply_queue_count; - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - if ((ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) - reply_queue_count = ioc->reply_queue_count; - else - reply_queue_count = 1; - return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); -} -static DEVICE_ATTR(reply_queue_count, S_IRUGO, - _ctl_ioc_reply_queue_count_show, NULL); - -/** - * _ctl_BRM_status_show - Backup Rail Monitor Status - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is number of reply queues - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - Mpi2IOUnitPage3_t *io_unit_pg3 = NULL; - Mpi2ConfigReply_t mpi_reply; - u16 backup_rail_monitor_status = 0; - u16 ioc_status; - int sz; - ssize_t rc = 0; - - if (!ioc->is_warpdrive) { - printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\ - "warpdrive\n", ioc->name, __func__); - goto out; - } - /* pci_access_mutex lock acquired by sysfs show path */ - mutex_lock(&ioc->pci_access_mutex); - if (ioc->pci_error_recovery || ioc->remove_host) { - mutex_unlock(&ioc->pci_access_mutex); - return 0; - } - - /* allocate upto GPIOVal 36 entries */ - sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36); - io_unit_pg3 = kzalloc(sz, GFP_KERNEL); - if (!io_unit_pg3) { - printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\ - "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz); - goto out; - } - - if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) != - 0) { - printk(MPT2SAS_ERR_FMT - "%s: failed reading iounit_pg3\n", ioc->name, - __func__); - goto out; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\ - "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status); - goto out; - } - - if (io_unit_pg3->GPIOCount < 25) { - printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\ - "25 entries, detected (%d) entries\n", ioc->name, __func__, - io_unit_pg3->GPIOCount); - goto out; - } - - /* BRM status is in bit zero of GPIOVal[24] */ - backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]); - rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); - - out: - kfree(io_unit_pg3); - mutex_unlock(&ioc->pci_access_mutex); - return rc; -} -static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL); - -struct DIAG_BUFFER_START { - __le32 Size; - __le32 DiagVersion; - u8 BufferType; - u8 Reserved[3]; - __le32 Reserved1; - __le32 Reserved2; - __le32 Reserved3; -}; -/** - * _ctl_host_trace_buffer_size_show - host buffer size (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_host_trace_buffer_size_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - u32 size = 0; - struct DIAG_BUFFER_START *request_data; - - if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { - printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " - "registered\n", ioc->name, __func__); - return 0; - } - - if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " - "registered\n", ioc->name, __func__); - return 0; - } - - request_data = (struct DIAG_BUFFER_START *) - ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; - if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || - le32_to_cpu(request_data->DiagVersion) == 0x01000000) && - le32_to_cpu(request_data->Reserved3) == 0x4742444c) - size = le32_to_cpu(request_data->Size); - - ioc->ring_buffer_sz = size; - return snprintf(buf, PAGE_SIZE, "%d\n", size); -} -static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, - _ctl_host_trace_buffer_size_show, NULL); - -/** - * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read/write' shost attribute. - * - * You will only be able to read 4k bytes of ring buffer at a time. - * In order to read beyond 4k bytes, you will have to write out the - * offset to the same attribute, it will move the pointer. - */ -static ssize_t -_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - void *request_data; - u32 size; - - if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { - printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " - "registered\n", ioc->name, __func__); - return 0; - } - - if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { - printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " - "registered\n", ioc->name, __func__); - return 0; - } - - if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) - return 0; - - size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; - size = (size > PAGE_SIZE) ? PAGE_SIZE : size; - request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; - memcpy(buf, request_data, size); - return size; -} - -static ssize_t -_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int val = 0; - - if (sscanf(buf, "%d", &val) != 1) - return -EINVAL; - - ioc->ring_buffer_offset = val; - return strlen(buf); -} -static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, - _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); - -/*****************************************/ - -/** - * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * A sysfs 'read/write' shost attribute. - * - * This is a mechnism to post/release host_trace_buffers - */ -static ssize_t -_ctl_host_trace_buffer_enable_show(struct device *cdev, - struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || - ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)) - return snprintf(buf, PAGE_SIZE, "off\n"); - else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - return snprintf(buf, PAGE_SIZE, "release\n"); - else - return snprintf(buf, PAGE_SIZE, "post\n"); -} - -static ssize_t -_ctl_host_trace_buffer_enable_store(struct device *cdev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(cdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - char str[10] = ""; - struct mpt2_diag_register diag_register; - u8 issue_reset = 0; - - if (sscanf(buf, "%9s", str) != 1) - return -EINVAL; - - if (!strcmp(str, "post")) { - /* exit out if host buffers are already posted */ - if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && - (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_REGISTERED) && - ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_RELEASED) == 0)) - goto out; - memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); - printk(MPT2SAS_INFO_FMT "posting host trace buffers\n", - ioc->name); - diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; - diag_register.requested_buffer_size = (1024 * 1024); - diag_register.unique_id = 0x7075900; - ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; - _ctl_diag_register_2(ioc, &diag_register); - } else if (!strcmp(str, "release")) { - /* exit out if host buffers are already released */ - if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) - goto out; - if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) - goto out; - if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - goto out; - printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n", - ioc->name); - _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); - } - - out: - return strlen(buf); -} -static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, - _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store); - -struct device_attribute *mpt2sas_host_attrs[] = { - &dev_attr_version_fw, - &dev_attr_version_bios, - &dev_attr_version_mpi, - &dev_attr_version_product, - &dev_attr_version_nvdata_persistent, - &dev_attr_version_nvdata_default, - &dev_attr_board_name, - &dev_attr_board_assembly, - &dev_attr_board_tracer, - &dev_attr_io_delay, - &dev_attr_device_delay, - &dev_attr_logging_level, - &dev_attr_fwfault_debug, - &dev_attr_fw_queue_depth, - &dev_attr_host_sas_address, - &dev_attr_ioc_reset_count, - &dev_attr_host_trace_buffer_size, - &dev_attr_host_trace_buffer, - &dev_attr_host_trace_buffer_enable, - &dev_attr_reply_queue_count, - &dev_attr_BRM_status, - NULL, -}; - -/** - * _ctl_device_sas_address_show - sas address - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is the sas address for the target - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; - - return snprintf(buf, PAGE_SIZE, "0x%016llx\n", - (unsigned long long)sas_device_priv_data->sas_target->sas_address); -} -static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); - -/** - * _ctl_device_handle_show - device handle - * @cdev - pointer to embedded class device - * @buf - the buffer returned - * - * This is the firmware assigned device handle - * - * A sysfs 'read-only' shost attribute. - */ -static ssize_t -_ctl_device_handle_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; - - return snprintf(buf, PAGE_SIZE, "0x%04x\n", - sas_device_priv_data->sas_target->handle); -} -static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); - -struct device_attribute *mpt2sas_dev_attrs[] = { - &dev_attr_sas_address, - &dev_attr_sas_device_handle, - NULL, -}; - -static const struct file_operations ctl_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = _ctl_ioctl, - .poll = _ctl_poll, - .fasync = _ctl_fasync, -#ifdef CONFIG_COMPAT - .compat_ioctl = _ctl_ioctl_compat, -#endif - .llseek = noop_llseek, -}; - -static struct miscdevice ctl_dev = { - .minor = MPT2SAS_MINOR, - .name = MPT2SAS_DEV_NAME, - .fops = &ctl_fops, -}; - -/** - * mpt2sas_ctl_init - main entry point for ctl. - * - */ -void -mpt2sas_ctl_init(void) -{ - async_queue = NULL; - if (misc_register(&ctl_dev) < 0) - printk(KERN_ERR "%s can't register misc device [minor=%d]\n", - MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); - - init_waitqueue_head(&ctl_poll_wait); -} - -/** - * mpt2sas_ctl_exit - exit point for ctl - * - */ -void -mpt2sas_ctl_exit(void) -{ - struct MPT2SAS_ADAPTER *ioc; - int i; - - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { - - /* free memory associated to diag buffers */ - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!ioc->diag_buffer[i]) - continue; - pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], - ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); - ioc->diag_buffer[i] = NULL; - ioc->diag_buffer_status[i] = 0; - } - - kfree(ioc->event_log); - } - misc_deregister(&ctl_dev); -} - diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h deleted file mode 100644 index 46b2fc5b74af..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h +++ /dev/null @@ -1,419 +0,0 @@ -/* - * Management Module Support for MPT (Message Passing Technology) based - * controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#ifndef MPT2SAS_CTL_H_INCLUDED -#define MPT2SAS_CTL_H_INCLUDED - -#ifdef __KERNEL__ -#include <linux/miscdevice.h> -#endif - -#define MPT2SAS_DEV_NAME "mpt2ctl" -#define MPT2_MAGIC_NUMBER 'L' -#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ - -/** - * IOCTL opcodes - */ -#define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \ - struct mpt2_ioctl_iocinfo) -#define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \ - struct mpt2_ioctl_command) -#ifdef CONFIG_COMPAT -#define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \ - struct mpt2_ioctl_command32) -#endif -#define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \ - struct mpt2_ioctl_eventquery) -#define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \ - struct mpt2_ioctl_eventenable) -#define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \ - struct mpt2_ioctl_eventreport) -#define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \ - struct mpt2_ioctl_diag_reset) -#define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \ - struct mpt2_ioctl_btdh_mapping) - -/* diag buffer support */ -#define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \ - struct mpt2_diag_register) -#define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \ - struct mpt2_diag_release) -#define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \ - struct mpt2_diag_unregister) -#define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \ - struct mpt2_diag_query) -#define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \ - struct mpt2_diag_read_buffer) - -/** - * struct mpt2_ioctl_header - main header structure - * @ioc_number - IOC unit number - * @port_number - IOC port number - * @max_data_size - maximum number bytes to transfer on read - */ -struct mpt2_ioctl_header { - uint32_t ioc_number; - uint32_t port_number; - uint32_t max_data_size; -}; - -/** - * struct mpt2_ioctl_diag_reset - diagnostic reset - * @hdr - generic header - */ -struct mpt2_ioctl_diag_reset { - struct mpt2_ioctl_header hdr; -}; - - -/** - * struct mpt2_ioctl_pci_info - pci device info - * @device - pci device id - * @function - pci function id - * @bus - pci bus id - * @segment_id - pci segment id - */ -struct mpt2_ioctl_pci_info { - union { - struct { - uint32_t device:5; - uint32_t function:3; - uint32_t bus:24; - } bits; - uint32_t word; - } u; - uint32_t segment_id; -}; - - -#define MPT2_IOCTL_INTERFACE_SCSI (0x00) -#define MPT2_IOCTL_INTERFACE_FC (0x01) -#define MPT2_IOCTL_INTERFACE_FC_IP (0x02) -#define MPT2_IOCTL_INTERFACE_SAS (0x03) -#define MPT2_IOCTL_INTERFACE_SAS2 (0x04) -#define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05) -#define MPT2_IOCTL_VERSION_LENGTH (32) - -/** - * struct mpt2_ioctl_iocinfo - generic controller info - * @hdr - generic header - * @adapter_type - type of adapter (spi, fc, sas) - * @port_number - port number - * @pci_id - PCI Id - * @hw_rev - hardware revision - * @sub_system_device - PCI subsystem Device ID - * @sub_system_vendor - PCI subsystem Vendor ID - * @rsvd0 - reserved - * @firmware_version - firmware version - * @bios_version - BIOS version - * @driver_version - driver version - 32 ASCII characters - * @rsvd1 - reserved - * @scsi_id - scsi id of adapter 0 - * @rsvd2 - reserved - * @pci_information - pci info (2nd revision) - */ -struct mpt2_ioctl_iocinfo { - struct mpt2_ioctl_header hdr; - uint32_t adapter_type; - uint32_t port_number; - uint32_t pci_id; - uint32_t hw_rev; - uint32_t subsystem_device; - uint32_t subsystem_vendor; - uint32_t rsvd0; - uint32_t firmware_version; - uint32_t bios_version; - uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH]; - uint8_t rsvd1; - uint8_t scsi_id; - uint16_t rsvd2; - struct mpt2_ioctl_pci_info pci_information; -}; - - -/* number of event log entries */ -#define MPT2SAS_CTL_EVENT_LOG_SIZE (50) - -/** - * struct mpt2_ioctl_eventquery - query event count and type - * @hdr - generic header - * @event_entries - number of events returned by get_event_report - * @rsvd - reserved - * @event_types - type of events currently being captured - */ -struct mpt2_ioctl_eventquery { - struct mpt2_ioctl_header hdr; - uint16_t event_entries; - uint16_t rsvd; - uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; -}; - -/** - * struct mpt2_ioctl_eventenable - enable/disable event capturing - * @hdr - generic header - * @event_types - toggle off/on type of events to be captured - */ -struct mpt2_ioctl_eventenable { - struct mpt2_ioctl_header hdr; - uint32_t event_types[4]; -}; - -#define MPT2_EVENT_DATA_SIZE (192) -/** - * struct MPT2_IOCTL_EVENTS - - * @event - the event that was reported - * @context - unique value for each event assigned by driver - * @data - event data returned in fw reply message - */ -struct MPT2_IOCTL_EVENTS { - uint32_t event; - uint32_t context; - uint8_t data[MPT2_EVENT_DATA_SIZE]; -}; - -/** - * struct mpt2_ioctl_eventreport - returing event log - * @hdr - generic header - * @event_data - (see struct MPT2_IOCTL_EVENTS) - */ -struct mpt2_ioctl_eventreport { - struct mpt2_ioctl_header hdr; - struct MPT2_IOCTL_EVENTS event_data[1]; -}; - -/** - * struct mpt2_ioctl_command - generic mpt firmware passthru ioctl - * @hdr - generic header - * @timeout - command timeout in seconds. (if zero then use driver default - * value). - * @reply_frame_buf_ptr - reply location - * @data_in_buf_ptr - destination for read - * @data_out_buf_ptr - data source for write - * @sense_data_ptr - sense data location - * @max_reply_bytes - maximum number of reply bytes to be sent to app. - * @data_in_size - number bytes for data transfer in (read) - * @data_out_size - number bytes for data transfer out (write) - * @max_sense_bytes - maximum number of bytes for auto sense buffers - * @data_sge_offset - offset in words from the start of the request message to - * the first SGL - * @mf[1]; - */ -struct mpt2_ioctl_command { - struct mpt2_ioctl_header hdr; - uint32_t timeout; - void __user *reply_frame_buf_ptr; - void __user *data_in_buf_ptr; - void __user *data_out_buf_ptr; - void __user *sense_data_ptr; - uint32_t max_reply_bytes; - uint32_t data_in_size; - uint32_t data_out_size; - uint32_t max_sense_bytes; - uint32_t data_sge_offset; - uint8_t mf[1]; -}; - -#ifdef CONFIG_COMPAT -struct mpt2_ioctl_command32 { - struct mpt2_ioctl_header hdr; - uint32_t timeout; - uint32_t reply_frame_buf_ptr; - uint32_t data_in_buf_ptr; - uint32_t data_out_buf_ptr; - uint32_t sense_data_ptr; - uint32_t max_reply_bytes; - uint32_t data_in_size; - uint32_t data_out_size; - uint32_t max_sense_bytes; - uint32_t data_sge_offset; - uint8_t mf[1]; -}; -#endif - -/** - * struct mpt2_ioctl_btdh_mapping - mapping info - * @hdr - generic header - * @id - target device identification number - * @bus - SCSI bus number that the target device exists on - * @handle - device handle for the target device - * @rsvd - reserved - * - * To obtain a bus/id the application sets - * handle to valid handle, and bus/id to 0xFFFF. - * - * To obtain the device handle the application sets - * bus/id valid value, and the handle to 0xFFFF. - */ -struct mpt2_ioctl_btdh_mapping { - struct mpt2_ioctl_header hdr; - uint32_t id; - uint32_t bus; - uint16_t handle; - uint16_t rsvd; -}; - - -/* status bits for ioc->diag_buffer_status */ -#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01) -#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02) -#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04) - -/* application flags for mpt2_diag_register, mpt2_diag_query */ -#define MPT2_APP_FLAGS_APP_OWNED (0x0001) -#define MPT2_APP_FLAGS_BUFFER_VALID (0x0002) -#define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004) - -/* flags for mpt2_diag_read_buffer */ -#define MPT2_FLAGS_REREGISTER (0x0001) - -#define MPT2_PRODUCT_SPECIFIC_DWORDS 23 - -/** - * struct mpt2_diag_register - application register with driver - * @hdr - generic header - * @reserved - - * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED - * @application_flags - misc flags - * @diagnostic_flags - specifies flags affecting command processing - * @product_specific - product specific information - * @requested_buffer_size - buffers size in bytes - * @unique_id - tag specified by application that is used to signal ownership - * of the buffer. - * - * This will allow the driver to setup any required buffers that will be - * needed by firmware to communicate with the driver. - */ -struct mpt2_diag_register { - struct mpt2_ioctl_header hdr; - uint8_t reserved; - uint8_t buffer_type; - uint16_t application_flags; - uint32_t diagnostic_flags; - uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS]; - uint32_t requested_buffer_size; - uint32_t unique_id; -}; - -/** - * struct mpt2_diag_unregister - application unregister with driver - * @hdr - generic header - * @unique_id - tag uniquely identifies the buffer to be unregistered - * - * This will allow the driver to cleanup any memory allocated for diag - * messages and to free up any resources. - */ -struct mpt2_diag_unregister { - struct mpt2_ioctl_header hdr; - uint32_t unique_id; -}; - -/** - * struct mpt2_diag_query - query relevant info associated with diag buffers - * @hdr - generic header - * @reserved - - * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED - * @application_flags - misc flags - * @diagnostic_flags - specifies flags affecting command processing - * @product_specific - product specific information - * @total_buffer_size - diag buffer size in bytes - * @driver_added_buffer_size - size of extra space appended to end of buffer - * @unique_id - unique id associated with this buffer. - * - * The application will send only buffer_type and unique_id. Driver will - * inspect unique_id first, if valid, fill in all the info. If unique_id is - * 0x00, the driver will return info specified by Buffer Type. - */ -struct mpt2_diag_query { - struct mpt2_ioctl_header hdr; - uint8_t reserved; - uint8_t buffer_type; - uint16_t application_flags; - uint32_t diagnostic_flags; - uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS]; - uint32_t total_buffer_size; - uint32_t driver_added_buffer_size; - uint32_t unique_id; -}; - -/** - * struct mpt2_diag_release - request to send Diag Release Message to firmware - * @hdr - generic header - * @unique_id - tag uniquely identifies the buffer to be released - * - * This allows ownership of the specified buffer to returned to the driver, - * allowing an application to read the buffer without fear that firmware is - * overwritting information in the buffer. - */ -struct mpt2_diag_release { - struct mpt2_ioctl_header hdr; - uint32_t unique_id; -}; - -/** - * struct mpt2_diag_read_buffer - request for copy of the diag buffer - * @hdr - generic header - * @status - - * @reserved - - * @flags - misc flags - * @starting_offset - starting offset within drivers buffer where to start - * reading data at into the specified application buffer - * @bytes_to_read - number of bytes to copy from the drivers buffer into the - * application buffer starting at starting_offset. - * @unique_id - unique id associated with this buffer. - * @diagnostic_data - data payload - */ -struct mpt2_diag_read_buffer { - struct mpt2_ioctl_header hdr; - uint8_t status; - uint8_t reserved; - uint16_t flags; - uint32_t starting_offset; - uint32_t bytes_to_read; - uint32_t unique_id; - uint32_t diagnostic_data[1]; -}; - -#endif /* MPT2SAS_CTL_H_INCLUDED */ diff --git a/drivers/scsi/mpt2sas/mpt2sas_debug.h b/drivers/scsi/mpt2sas/mpt2sas_debug.h deleted file mode 100644 index 277120d45648..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_debug.h +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Logging Support for MPT (Message Passing Technology) based controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_debug.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#ifndef MPT2SAS_DEBUG_H_INCLUDED -#define MPT2SAS_DEBUG_H_INCLUDED - -#define MPT_DEBUG 0x00000001 -#define MPT_DEBUG_MSG_FRAME 0x00000002 -#define MPT_DEBUG_SG 0x00000004 -#define MPT_DEBUG_EVENTS 0x00000008 -#define MPT_DEBUG_EVENT_WORK_TASK 0x00000010 -#define MPT_DEBUG_INIT 0x00000020 -#define MPT_DEBUG_EXIT 0x00000040 -#define MPT_DEBUG_FAIL 0x00000080 -#define MPT_DEBUG_TM 0x00000100 -#define MPT_DEBUG_REPLY 0x00000200 -#define MPT_DEBUG_HANDSHAKE 0x00000400 -#define MPT_DEBUG_CONFIG 0x00000800 -#define MPT_DEBUG_DL 0x00001000 -#define MPT_DEBUG_RESET 0x00002000 -#define MPT_DEBUG_SCSI 0x00004000 -#define MPT_DEBUG_IOCTL 0x00008000 -#define MPT_DEBUG_CSMISAS 0x00010000 -#define MPT_DEBUG_SAS 0x00020000 -#define MPT_DEBUG_TRANSPORT 0x00040000 -#define MPT_DEBUG_TASK_SET_FULL 0x00080000 - -#define MPT_DEBUG_TARGET_MODE 0x00100000 - - -/* - * CONFIG_SCSI_MPT2SAS_LOGGING - enabled in Kconfig - */ - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -#define MPT_CHECK_LOGGING(IOC, CMD, BITS) \ -{ \ - if (IOC->logging_level & BITS) \ - CMD; \ -} -#else -#define MPT_CHECK_LOGGING(IOC, CMD, BITS) -#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */ - - -/* - * debug macros - */ - -#define dprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG) - -#define dsgprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SG) - -#define devtprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENTS) - -#define dewtprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENT_WORK_TASK) - -#define dinitprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_INIT) - -#define dexitprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EXIT) - -#define dfailprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_FAIL) - -#define dtmprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TM) - -#define dreplyprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_REPLY) - -#define dhsprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_HANDSHAKE) - -#define dcprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CONFIG) - -#define ddlprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_DL) - -#define drsprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_RESET) - -#define dsprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SCSI) - -#define dctlprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_IOCTL) - -#define dcsmisasprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CSMISAS) - -#define dsasprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS) - -#define dsastransport(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE) - -#define dmfprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME) - -#define dtsfprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL) - -#define dtransportprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT) - -#define dTMprintk(IOC, CMD) \ - MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TARGET_MODE) - -/* inline functions for dumping debug data*/ -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _debug_dump_mf - print message frame contents - * @mpi_request: pointer to message frame - * @sz: number of dwords - */ -static inline void -_debug_dump_mf(void *mpi_request, int sz) -{ - int i; - __le32 *mfp = (__le32 *)mpi_request; - - printk(KERN_INFO "mf:\n\t"); - for (i = 0; i < sz; i++) { - if (i && ((i % 8) == 0)) - printk("\n\t"); - printk("%08x ", le32_to_cpu(mfp[i])); - } - printk("\n"); -} -#else -#define _debug_dump_mf(mpi_request, sz) -#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */ - -#endif /* MPT2SAS_DEBUG_H_INCLUDED */ diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c deleted file mode 100644 index 0ad09b2bff9c..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ /dev/null @@ -1,8855 +0,0 @@ -/* - * Scsi Host Layer for MPT (Message Passing Technology) based controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/blkdev.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/aer.h> -#include <linux/raid_class.h> -#include <linux/slab.h> - -#include <asm/unaligned.h> - -#include "mpt2sas_base.h" - -MODULE_AUTHOR(MPT2SAS_AUTHOR); -MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); -MODULE_LICENSE("GPL"); -MODULE_VERSION(MPT2SAS_DRIVER_VERSION); - -#define RAID_CHANNEL 1 - -/* forward proto's */ -static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander); -static void _firmware_event_work(struct work_struct *work); - -static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); - -static void _scsih_scan_start(struct Scsi_Host *shost); -static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time); - -/* global parameters */ -LIST_HEAD(mpt2sas_ioc_list); -/* global ioc lock for list operations */ -DEFINE_SPINLOCK(gioc_lock); -/* local parameters */ -static u8 scsi_io_cb_idx = -1; -static u8 tm_cb_idx = -1; -static u8 ctl_cb_idx = -1; -static u8 base_cb_idx = -1; -static u8 port_enable_cb_idx = -1; -static u8 transport_cb_idx = -1; -static u8 scsih_cb_idx = -1; -static u8 config_cb_idx = -1; -static int mpt_ids; - -static u8 tm_tr_cb_idx = -1 ; -static u8 tm_tr_volume_cb_idx = -1 ; -static u8 tm_sas_control_cb_idx = -1; - -/* command line options */ -static u32 logging_level; -MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " - "(default=0)"); - -static ushort max_sectors = 0xFFFF; -module_param(max_sectors, ushort, 0); -MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); - -static int missing_delay[2] = {-1, -1}; -module_param_array(missing_delay, int, NULL, 0); -MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); - -/* scsi-mid layer global parmeter is max_report_luns, which is 511 */ -#define MPT2SAS_MAX_LUN (16895) -static int max_lun = MPT2SAS_MAX_LUN; -module_param(max_lun, int, 0); -MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); - -/* diag_buffer_enable is bitwise - * bit 0 set = TRACE - * bit 1 set = SNAPSHOT - * bit 2 set = EXTENDED - * - * Either bit can be set, or both - */ -static int diag_buffer_enable = -1; -module_param(diag_buffer_enable, int, 0); -MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " - "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); - -static int disable_discovery = -1; -module_param(disable_discovery, int, 0); -MODULE_PARM_DESC(disable_discovery, " disable discovery "); - -/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ -static int prot_mask = 0; -module_param(prot_mask, int, 0); -MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); - -/** - * struct sense_info - common structure for obtaining sense keys - * @skey: sense key - * @asc: additional sense code - * @ascq: additional sense code qualifier - */ -struct sense_info { - u8 skey; - u8 asc; - u8 ascq; -}; - - -#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC) -#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD) -#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) -/** - * struct fw_event_work - firmware event struct - * @list: link list framework - * @work: work object (ioc->fault_reset_work_q) - * @cancel_pending_work: flag set during reset handling - * @ioc: per adapter object - * @device_handle: device handle - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @ignore: flag meaning this event has been marked to ignore - * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h - * @event_data: reply event data payload follows - * - * This object stored on ioc->fw_event_list. - */ -struct fw_event_work { - struct list_head list; - u8 cancel_pending_work; - struct delayed_work delayed_work; - struct MPT2SAS_ADAPTER *ioc; - u16 device_handle; - u8 VF_ID; - u8 VP_ID; - u8 ignore; - u16 event; - struct kref refcount; - char event_data[0] __aligned(4); -}; - -static void fw_event_work_free(struct kref *r) -{ - kfree(container_of(r, struct fw_event_work, refcount)); -} - -static void fw_event_work_get(struct fw_event_work *fw_work) -{ - kref_get(&fw_work->refcount); -} - -static void fw_event_work_put(struct fw_event_work *fw_work) -{ - kref_put(&fw_work->refcount, fw_event_work_free); -} - -static struct fw_event_work *alloc_fw_event_work(int len) -{ - struct fw_event_work *fw_event; - - fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); - if (!fw_event) - return NULL; - - kref_init(&fw_event->refcount); - return fw_event; -} - -/* raid transport support */ -static struct raid_template *mpt2sas_raid_template; - -/** - * struct _scsi_io_transfer - scsi io transfer - * @handle: sas device handle (assigned by firmware) - * @is_raid: flag set for hidden raid components - * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, - * @data_length: data transfer length - * @data_dma: dma pointer to data - * @sense: sense data - * @lun: lun number - * @cdb_length: cdb length - * @cdb: cdb contents - * @timeout: timeout for this command - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @valid_reply: flag set for reply message - * @sense_length: sense length - * @ioc_status: ioc status - * @scsi_state: scsi state - * @scsi_status: scsi staus - * @log_info: log information - * @transfer_length: data length transfer when there is a reply message - * - * Used for sending internal scsi commands to devices within this module. - * Refer to _scsi_send_scsi_io(). - */ -struct _scsi_io_transfer { - u16 handle; - u8 is_raid; - enum dma_data_direction dir; - u32 data_length; - dma_addr_t data_dma; - u8 sense[SCSI_SENSE_BUFFERSIZE]; - u32 lun; - u8 cdb_length; - u8 cdb[32]; - u8 timeout; - u8 VF_ID; - u8 VP_ID; - u8 valid_reply; - /* the following bits are only valid when 'valid_reply = 1' */ - u32 sense_length; - u16 ioc_status; - u8 scsi_state; - u8 scsi_status; - u32 log_info; - u32 transfer_length; -}; - -/* - * The pci device ids are defined in mpi/mpi2_cnfg.h. - */ -static struct pci_device_id scsih_pci_table[] = { - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, - PCI_ANY_ID, PCI_ANY_ID }, - /* Falcon ~ 2008*/ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, - PCI_ANY_ID, PCI_ANY_ID }, - /* Liberator ~ 2108 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* Meteor ~ 2116 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, - PCI_ANY_ID, PCI_ANY_ID }, - /* Thunderbolt ~ 2208 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, - PCI_ANY_ID, PCI_ANY_ID }, - /* Mustang ~ 2308 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* SSS6200 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, - PCI_ANY_ID, PCI_ANY_ID }, - {0} /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(pci, scsih_pci_table); - -/** - * _scsih_set_debug_level - global setting of ioc->logging_level. - * - * Note: The logging levels are defined in mpt2sas_debug.h. - */ -static int -_scsih_set_debug_level(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - struct MPT2SAS_ADAPTER *ioc; - - if (ret) - return ret; - - printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) - ioc->logging_level = logging_level; - spin_unlock(&gioc_lock); - return 0; -} -module_param_call(logging_level, _scsih_set_debug_level, param_get_int, - &logging_level, 0644); - -/** - * _scsih_srch_boot_sas_address - search based on sas_address - * @sas_address: sas address - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_sas_address(u64 sas_address, - Mpi2BootDeviceSasWwid_t *boot_device) -{ - return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_device_name - search based on device name - * @device_name: device name specified in INDENTIFY fram - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_device_name(u64 device_name, - Mpi2BootDeviceDeviceName_t *boot_device) -{ - return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, - Mpi2BootDeviceEnclosureSlot_t *boot_device) -{ - return (enclosure_logical_id == le64_to_cpu(boot_device-> - EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> - SlotNumber)) ? 1 : 0; -} - -/** - * _scsih_is_boot_device - search for matching boot device. - * @sas_address: sas address - * @device_name: device name specified in INDENTIFY fram - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @form: specifies boot device form - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static int -_scsih_is_boot_device(u64 sas_address, u64 device_name, - u64 enclosure_logical_id, u16 slot, u8 form, - Mpi2BiosPage2BootDevice_t *boot_device) -{ - int rc = 0; - - switch (form) { - case MPI2_BIOSPAGE2_FORM_SAS_WWID: - if (!sas_address) - break; - rc = _scsih_srch_boot_sas_address( - sas_address, &boot_device->SasWwid); - break; - case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: - if (!enclosure_logical_id) - break; - rc = _scsih_srch_boot_encl_slot( - enclosure_logical_id, - slot, &boot_device->EnclosureSlot); - break; - case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: - if (!device_name) - break; - rc = _scsih_srch_boot_device_name( - device_name, &boot_device->DeviceName); - break; - case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: - break; - } - - return rc; -} - -/** - * _scsih_get_sas_address - set the sas_address for given device handle - * @handle: device handle - * @sas_address: sas address - * - * Returns 0 success, non-zero when failure - */ -static int -_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, - u64 *sas_address) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 ioc_status; - *sas_address = 0; - - if (handle <= ioc->sas_hba.num_phys) { - *sas_address = ioc->sas_hba.sas_address; - return 0; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return -ENXIO; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - return 0; - } - - /* we hit this becuase the given parent handle doesn't exist */ - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - return -ENXIO; - /* else error case */ - printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), " - "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, - __FILE__, __LINE__, __func__); - return -EIO; -} - -/** - * _scsih_determine_boot_device - determine boot device. - * @ioc: per adapter object - * @device: either sas_device or raid_device object - * @is_raid: [flag] 1 = raid object, 0 = sas object - * - * Determines whether this device should be first reported device to - * to scsi-ml or sas transport, this purpose is for persistent boot device. - * There are primary, alternate, and current entries in bios page 2. The order - * priority is primary, alternate, then current. This routine saves - * the corresponding device object and is_raid flag in the ioc object. - * The saved data to be used later in _scsih_probe_boot_devices(). - */ -static void -_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, - void *device, u8 is_raid) -{ - struct _sas_device *sas_device; - struct _raid_device *raid_device; - u64 sas_address; - u64 device_name; - u64 enclosure_logical_id; - u16 slot; - - /* only process this function when driver loads */ - if (!ioc->is_driver_loading) - return; - - /* no Bios, return immediately */ - if (!ioc->bios_pg3.BiosVersion) - return; - - if (!is_raid) { - sas_device = device; - sas_address = sas_device->sas_address; - device_name = sas_device->device_name; - enclosure_logical_id = sas_device->enclosure_logical_id; - slot = sas_device->slot; - } else { - raid_device = device; - sas_address = raid_device->wwid; - device_name = 0; - enclosure_logical_id = 0; - slot = 0; - } - - if (!ioc->req_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_boot_device.device = device; - ioc->req_boot_device.is_raid = is_raid; - } - } - - if (!ioc->req_alt_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqAltBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedAltBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_alt_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_alt_boot_device.device = device; - ioc->req_alt_boot_device.is_raid = is_raid; - } - } - - if (!ioc->current_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.CurrentBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.CurrentBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: current_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->current_boot_device.device = device; - ioc->current_boot_device.is_raid = is_raid; - } - } -} - -static struct _sas_device * -__mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - - assert_spin_locked(&ioc->sas_device_lock); - - ret = tgt_priv->sdev; - if (ret) - sas_device_get(ret); - - return ret; -} - -static struct _sas_device * -mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - ret = __mpt2sas_get_sdev_from_target(ioc, tgt_priv); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return ret; -} - - -struct _sas_device * -__mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_addr - sas device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -struct _sas_device * -mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -static struct _sas_device * -__mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->handle == handle) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->handle == handle) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -/** - * _scsih_sas_device_remove - remove sas_device from list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * If sas_device is on the list, remove it and decrement its reference count. - */ -static void -_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - if (!sas_device) - return; - - /* - * The lock serializes access to the list, but we still need to verify - * that nobody removed the entry while we were waiting on the lock. - */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - if (!list_empty(&sas_device->list)) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - - -/** - * _scsih_sas_device_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object to the ioc->sas_device_list. - */ -static void -_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - /* When asyn scanning is enabled, its not possible to remove - * devices while scanning is turned on due to an oops in - * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() - */ - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - } - } -} - -/** - * _scsih_sas_device_init_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object at driver load time to the ioc->sas_device_init_list. - */ -static void -_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_init_list); - _scsih_determine_boot_device(ioc, sas_device, 0); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_raid_device_find_by_id - raid device search - * @ioc: per adapter object - * @id: sas device target id - * @channel: sas device channel - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on target id, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->id == id && raid_device->channel == channel) { - r = raid_device; - goto out; - } - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_handle - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on handle, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->handle != handle) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_wwid - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on wwid, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->wwid != wwid) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_add - add raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - * This is added to the raid_device_list link list. - */ -static void -_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, - raid_device->handle, (unsigned long long)raid_device->wwid)); - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_add_tail(&raid_device->list, &ioc->raid_device_list); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_raid_device_remove - delete raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - */ -static void -_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_del(&raid_device->list); - kfree(raid_device); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * mpt2sas_scsih_expander_find_by_handle - expander device search - * @ioc: per adapter object - * @handle: expander handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for expander device based on handle, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->handle != handle) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * mpt2sas_scsih_expander_find_by_sas_address - expander device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_node_lock. - * - * This searches for expander device based on sas_address, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->sas_address != sas_address) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * _scsih_expander_node_add - insert expander device to the list. - * @ioc: per adapter object - * @sas_expander: the sas_device object - * Context: This function will acquire ioc->sas_node_lock. - * - * Adding new object to the ioc->sas_expander_list. - * - * Return nothing. - */ -static void -_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_add_tail(&sas_expander->list, &ioc->sas_expander_list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); -} - -/** - * _scsih_is_end_device - determines if device is an end device - * @device_info: bitfield providing information about the device. - * Context: none - * - * Returns 1 if end device. - */ -static int -_scsih_is_end_device(u32 device_info) -{ - if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && - ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) - return 1; - else - return 0; -} - -/** - * _scsih_scsi_lookup_get - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - */ -static struct scsi_cmnd * -_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return ioc->scsi_lookup[smid - 1].scmd; -} - -/** - * _scsih_scsi_lookup_get_clear - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - * Then will derefrence the stored scmd pointer. - */ -static inline struct scsi_cmnd * -_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - unsigned long flags; - struct scsi_cmnd *scmd; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - scmd = ioc->scsi_lookup[smid - 1].scmd; - ioc->scsi_lookup[smid - 1].scmd = NULL; - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - return scmd; -} - -/** - * _scsih_scsi_lookup_find_by_scmd - scmd lookup - * @ioc: per adapter object - * @smid: system request message index - * @scmd: pointer to scsi command object - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a scmd pointer in the scsi_lookup array, - * returning the revelent smid. A returned value of zero means invalid. - */ -static u16 -_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd - *scmd) -{ - u16 smid; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - smid = 0; - for (i = 0; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd == scmd) { - smid = ioc->scsi_lookup[i].smid; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * _scsih_scsi_lookup_find_by_target - search for matching channel:id - * @ioc: per adapter object - * @id: target id - * @channel: channel - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a matching channel:id in the scsi_lookup array, - * returning 1 if found. - */ -static u8 -_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, - int channel) -{ - u8 found; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - found = 0; - for (i = 0 ; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd && - (ioc->scsi_lookup[i].scmd->device->id == id && - ioc->scsi_lookup[i].scmd->device->channel == channel)) { - found = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return found; -} - -/** - * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun - * @ioc: per adapter object - * @id: target id - * @lun: lun number - * @channel: channel - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a matching channel:id:lun in the scsi_lookup array, - * returning 1 if found. - */ -static u8 -_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, - unsigned int lun, int channel) -{ - u8 found; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - found = 0; - for (i = 0 ; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd && - (ioc->scsi_lookup[i].scmd->device->id == id && - ioc->scsi_lookup[i].scmd->device->channel == channel && - ioc->scsi_lookup[i].scmd->device->lun == lun)) { - found = 1; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return found; -} - -/** - * _scsih_get_chain_buffer_tracker - obtain chain tracker - * @ioc: per adapter object - * @smid: smid associated to an IO request - * - * Returns chain tracker(from ioc->free_chain_list) - */ -static struct chain_tracker * -_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - struct chain_tracker *chain_req; - unsigned long flags; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - if (list_empty(&ioc->free_chain_list)) { - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not " - "available\n", ioc->name)); - return NULL; - } - chain_req = list_entry(ioc->free_chain_list.next, - struct chain_tracker, tracker_list); - list_del_init(&chain_req->tracker_list); - list_add_tail(&chain_req->tracker_list, - &ioc->scsi_lookup[smid - 1].chain_list); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return chain_req; -} - -/** - * _scsih_build_scatter_gather - main sg creation routine - * @ioc: per adapter object - * @scmd: scsi command - * @smid: system request message index - * Context: none. - * - * The main routine that builds scatter gather table from a given - * scsi request sent via the .queuecommand main handler. - * - * Returns 0 success, anything else error - */ -static int -_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, - struct scsi_cmnd *scmd, u16 smid) -{ - Mpi2SCSIIORequest_t *mpi_request; - dma_addr_t chain_dma; - struct scatterlist *sg_scmd; - void *sg_local, *chain; - u32 chain_offset; - u32 chain_length; - u32 chain_flags; - int sges_left; - u32 sges_in_segment; - u32 sgl_flags; - u32 sgl_flags_last_element; - u32 sgl_flags_end_buffer; - struct chain_tracker *chain_req; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - - /* init scatter gather flags */ - sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; - if (scmd->sc_data_direction == DMA_TO_DEVICE) - sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; - sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) - << MPI2_SGE_FLAGS_SHIFT; - sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) - << MPI2_SGE_FLAGS_SHIFT; - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - - sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" - " failed: request for %d bytes!\n", scsi_bufflen(scmd)); - return -ENOMEM; - } - - sg_local = &mpi_request->SGL; - sges_in_segment = ioc->max_sges_in_main_message; - if (sges_left <= sges_in_segment) - goto fill_in_last_segment; - - mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + - (sges_in_segment * ioc->sge_size))/4; - - /* fill in main message segment when there is a chain following */ - while (sges_in_segment) { - if (sges_in_segment == 1) - ioc->base_add_sg_single(sg_local, - sgl_flags_last_element | sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - sges_in_segment--; - } - - /* initializing the chain flags and pointers */ - chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; - chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); - if (!chain_req) - return -1; - chain = chain_req->chain_buffer; - chain_dma = chain_req->chain_buffer_dma; - do { - sges_in_segment = (sges_left <= - ioc->max_sges_in_chain_message) ? sges_left : - ioc->max_sges_in_chain_message; - chain_offset = (sges_left == sges_in_segment) ? - 0 : (sges_in_segment * ioc->sge_size)/4; - chain_length = sges_in_segment * ioc->sge_size; - if (chain_offset) { - chain_offset = chain_offset << - MPI2_SGE_CHAIN_OFFSET_SHIFT; - chain_length += ioc->sge_size; - } - ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | - chain_length, chain_dma); - sg_local = chain; - if (!chain_offset) - goto fill_in_last_segment; - - /* fill in chain segments */ - while (sges_in_segment) { - if (sges_in_segment == 1) - ioc->base_add_sg_single(sg_local, - sgl_flags_last_element | - sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), - sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - sges_in_segment--; - } - - chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); - if (!chain_req) - return -1; - chain = chain_req->chain_buffer; - chain_dma = chain_req->chain_buffer_dma; - } while (1); - - - fill_in_last_segment: - - /* fill the last segment */ - while (sges_left) { - if (sges_left == 1) - ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - else - ioc->base_add_sg_single(sg_local, sgl_flags | - sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); - sg_scmd = sg_next(sg_scmd); - sg_local += ioc->sge_size; - sges_left--; - } - - return 0; -} - -/** - * _scsih_change_queue_depth - setting device queue depth - * @sdev: scsi device struct - * @qdepth: requested queue depth - * - * Returns queue depth. - */ -static int -_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) -{ - struct Scsi_Host *shost = sdev->host; - int max_depth; - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - unsigned long flags; - - max_depth = shost->can_queue; - - /* limit max device queue for SATA to 32 */ - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - goto not_sata; - sas_target_priv_data = sas_device_priv_data->sas_target; - if (!sas_target_priv_data) - goto not_sata; - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) - goto not_sata; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data); - if (sas_device) { - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - max_depth = MPT2SAS_SATA_QUEUE_DEPTH; - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - not_sata: - if (!sdev->tagged_supported) - max_depth = 1; - if (qdepth > max_depth) - qdepth = max_depth; - return scsi_change_queue_depth(sdev, qdepth); -} - -/** - * _scsih_target_alloc - target add routine - * @starget: scsi target struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_target_alloc(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - struct sas_rphy *rphy; - - sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data), - GFP_KERNEL); - if (!sas_target_priv_data) - return -ENOMEM; - - starget->hostdata = sas_target_priv_data; - sas_target_priv_data->starget = starget; - sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; - - /* RAID volumes */ - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, - starget->channel); - if (raid_device) { - sas_target_priv_data->handle = raid_device->handle; - sas_target_priv_data->sas_address = raid_device->wwid; - sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; - if (ioc->is_warpdrive) - sas_target_priv_data->raid_device = raid_device; - raid_device->starget = starget; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - return 0; - } - - /* sas/sata devices */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - rphy = dev_to_rphy(starget->dev.parent); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - rphy->identify.sas_address); - - if (sas_device) { - sas_target_priv_data->handle = sas_device->handle; - sas_target_priv_data->sas_address = sas_device->sas_address; - sas_target_priv_data->sdev = sas_device; - sas_device->starget = starget; - sas_device->id = starget->id; - sas_device->channel = starget->channel; - if (test_bit(sas_device->handle, ioc->pd_handles)) - sas_target_priv_data->flags |= - MPT_TARGET_FLAGS_RAID_COMPONENT; - - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return 0; -} - -/** - * _scsih_target_destroy - target destroy routine - * @starget: scsi target struct - * - * Returns nothing. - */ -static void -_scsih_target_destroy(struct scsi_target *starget) -{ - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - struct sas_rphy *rphy; - - sas_target_priv_data = starget->hostdata; - if (!sas_target_priv_data) - return; - - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, - starget->channel); - if (raid_device) { - raid_device->starget = NULL; - raid_device->sdev = NULL; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - goto out; - } - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - rphy = dev_to_rphy(starget->dev.parent); - sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data); - if (sas_device && (sas_device->starget == starget) && - (sas_device->id == starget->id) && - (sas_device->channel == starget->channel)) - sas_device->starget = NULL; - - if (sas_device) { - /* - * Corresponding get() is in _scsih_target_alloc() - */ - sas_target_priv_data->sdev = NULL; - sas_device_put(sas_device); - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - out: - kfree(sas_target_priv_data); - starget->hostdata = NULL; -} - -/** - * _scsih_slave_alloc - device add routine - * @sdev: scsi device struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_slave_alloc(struct scsi_device *sdev) -{ - struct Scsi_Host *shost; - struct MPT2SAS_ADAPTER *ioc; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_target *starget; - struct _raid_device *raid_device; - struct _sas_device *sas_device; - unsigned long flags; - - sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), - GFP_KERNEL); - if (!sas_device_priv_data) - return -ENOMEM; - - sas_device_priv_data->lun = sdev->lun; - sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; - - starget = scsi_target(sdev); - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->num_luns++; - sas_device_priv_data->sas_target = sas_target_priv_data; - sdev->hostdata = sas_device_priv_data; - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) - sdev->no_uld_attach = 1; - - shost = dev_to_shost(&starget->dev); - ioc = shost_priv(shost); - if (starget->channel == RAID_CHANNEL) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, - starget->id, starget->channel); - if (raid_device) - raid_device->sdev = sdev; /* raid is single lun */ - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } - - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_target_priv_data->sas_address); - if (sas_device && (sas_device->starget == NULL)) { - sdev_printk(KERN_INFO, sdev, - "%s : sas_device->starget set to starget @ %d\n", - __func__, __LINE__); - sas_device->starget = starget; - } - - if (sas_device) - sas_device_put(sas_device); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - - return 0; -} - -/** - * _scsih_slave_destroy - device destroy routine - * @sdev: scsi device struct - * - * Returns nothing. - */ -static void -_scsih_slave_destroy(struct scsi_device *sdev) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget; - struct Scsi_Host *shost; - struct MPT2SAS_ADAPTER *ioc; - struct _sas_device *sas_device; - unsigned long flags; - - if (!sdev->hostdata) - return; - - starget = scsi_target(sdev); - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->num_luns--; - - shost = dev_to_shost(&starget->dev); - ioc = shost_priv(shost); - - if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, - sas_target_priv_data); - if (sas_device && !sas_target_priv_data->num_luns) - sas_device->starget = NULL; - - if (sas_device) - sas_device_put(sas_device); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - - kfree(sdev->hostdata); - sdev->hostdata = NULL; -} - -/** - * _scsih_display_sata_capabilities - sata capabilities - * @ioc: per adapter object - * @handle: device handle - * @sdev: scsi device struct - */ -static void -_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, - u16 handle, struct scsi_device *sdev) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - u16 flags; - u32 device_info; - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - flags = le16_to_cpu(sas_device_pg0.Flags); - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - - sdev_printk(KERN_INFO, sdev, - "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " - "sw_preserve(%s)\n", - (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : - "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", - (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); -} - -/** - * _scsih_is_raid - return boolean indicating device is raid volume - * @dev the device struct object - */ -static int -_scsih_is_raid(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - - if (ioc->is_warpdrive) - return 0; - return (sdev->channel == RAID_CHANNEL) ? 1 : 0; -} - -/** - * _scsih_get_resync - get raid volume resync percent complete - * @dev the device struct object - */ -static void -_scsih_get_resync(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - static struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 volume_status_flags; - u8 percent_complete; - u16 handle; - - percent_complete = 0; - handle = 0; - if (ioc->is_warpdrive) - goto out; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, - sdev->channel); - if (raid_device) { - handle = raid_device->handle; - percent_complete = raid_device->percent_complete; - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (!handle) - goto out; - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - percent_complete = 0; - goto out; - } - - volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); - if (!(volume_status_flags & - MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)) - percent_complete = 0; - - out: - raid_set_resync(mpt2sas_raid_template, dev, percent_complete); -} - -/** - * _scsih_get_state - get raid volume level - * @dev the device struct object - */ -static void -_scsih_get_state(struct device *dev) -{ - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); - static struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 volstate; - enum raid_state state = RAID_STATE_UNKNOWN; - u16 handle = 0; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, - sdev->channel); - if (raid_device) - handle = raid_device->handle; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (!raid_device) - goto out; - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); - if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { - state = RAID_STATE_RESYNCING; - goto out; - } - - switch (vol_pg0.VolumeState) { - case MPI2_RAID_VOL_STATE_OPTIMAL: - case MPI2_RAID_VOL_STATE_ONLINE: - state = RAID_STATE_ACTIVE; - break; - case MPI2_RAID_VOL_STATE_DEGRADED: - state = RAID_STATE_DEGRADED; - break; - case MPI2_RAID_VOL_STATE_FAILED: - case MPI2_RAID_VOL_STATE_MISSING: - state = RAID_STATE_OFFLINE; - break; - } - out: - raid_set_state(mpt2sas_raid_template, dev, state); -} - -/** - * _scsih_set_level - set raid level - * @sdev: scsi device struct - * @volume_type: volume type - */ -static void -_scsih_set_level(struct scsi_device *sdev, u8 volume_type) -{ - enum raid_level level = RAID_LEVEL_UNKNOWN; - - switch (volume_type) { - case MPI2_RAID_VOL_TYPE_RAID0: - level = RAID_LEVEL_0; - break; - case MPI2_RAID_VOL_TYPE_RAID10: - level = RAID_LEVEL_10; - break; - case MPI2_RAID_VOL_TYPE_RAID1E: - level = RAID_LEVEL_1E; - break; - case MPI2_RAID_VOL_TYPE_RAID1: - level = RAID_LEVEL_1; - break; - } - - raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); -} - -/** - * _scsih_get_volume_capabilities - volume capabilities - * @ioc: per adapter object - * @sas_device: the raid_device object - * - * Returns 0 for success, else 1 - */ -static int -_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - Mpi2RaidVolPage0_t *vol_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 sz; - u8 num_pds; - - if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, - &num_pds)) || !num_pds) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - return 1; - } - - raid_device->num_pds = num_pds; - sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * - sizeof(Mpi2RaidVol0PhysDisk_t)); - vol_pg0 = kzalloc(sz, GFP_KERNEL); - if (!vol_pg0) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - return 1; - } - - if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, - __func__)); - kfree(vol_pg0); - return 1; - } - - raid_device->volume_type = vol_pg0->VolumeType; - - /* figure out what the underlying devices are by - * obtaining the device_info bits for the 1st device - */ - if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, - vol_pg0->PhysDisk[0].PhysDiskNum))) { - if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - le16_to_cpu(pd_pg0.DevHandle)))) { - raid_device->device_info = - le32_to_cpu(sas_device_pg0.DeviceInfo); - } - } - - kfree(vol_pg0); - return 0; -} -/** - * _scsih_disable_ddio - Disable direct I/O for all the volumes - * @ioc: per adapter object - */ -static void -_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t vol_pg1; - Mpi2ConfigReply_t mpi_reply; - struct _raid_device *raid_device; - u16 handle; - u16 ioc_status; - unsigned long flags; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - break; - handle = le16_to_cpu(vol_pg1.DevHandle); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) - raid_device->direct_io_enabled = 0; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } - return; -} - - -/** - * _scsih_get_num_volumes - Get number of volumes in the ioc - * @ioc: per adapter object - */ -static u8 -_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t vol_pg1; - Mpi2ConfigReply_t mpi_reply; - u16 handle; - u8 vol_cnt = 0; - u16 ioc_status; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - break; - vol_cnt++; - handle = le16_to_cpu(vol_pg1.DevHandle); - } - return vol_cnt; -} - - -/** - * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O. - * @ioc: per adapter object - * @raid_device: the raid_device object - */ -static void -_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - Mpi2RaidVolPage0_t *vol_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 sz; - u8 num_pds, count; - unsigned long stripe_sz, block_sz; - u8 stripe_exp, block_exp; - u64 dev_max_lba; - - if (!ioc->is_warpdrive) - return; - - if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "globally as drives are exposed\n", ioc->name); - return; - } - if (_scsih_get_num_volumes(ioc) > 1) { - _scsih_disable_ddio(ioc); - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "globally as number of drives > 1\n", ioc->name); - return; - } - if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, - &num_pds)) || !num_pds) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Failure in computing number of drives\n", ioc->name); - return; - } - - sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * - sizeof(Mpi2RaidVol0PhysDisk_t)); - vol_pg0 = kzalloc(sz, GFP_KERNEL); - if (!vol_pg0) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Memory allocation failure for RVPG0\n", ioc->name); - return; - } - - if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, - MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "Failure in retrieving RVPG0\n", ioc->name); - kfree(vol_pg0); - return; - } - - /* - * WARPDRIVE:If number of physical disks in a volume exceeds the max pds - * assumed for WARPDRIVE, disable direct I/O - */ - if (num_pds > MPT_MAX_WARPDRIVE_PDS) { - printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x): num_mem=%d, " - "max_mem_allowed=%d\n", ioc->name, raid_device->handle, - num_pds, MPT_MAX_WARPDRIVE_PDS); - kfree(vol_pg0); - return; - } - for (count = 0; count < num_pds; count++) { - if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, - vol_pg0->PhysDisk[count].PhysDiskNum) || - le16_to_cpu(pd_pg0.DevHandle) == - MPT2SAS_INVALID_DEVICE_HANDLE) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " - "disabled for the drive with handle(0x%04x) member" - "handle retrieval failed for member number=%d\n", - ioc->name, raid_device->handle, - vol_pg0->PhysDisk[count].PhysDiskNum); - goto out_error; - } - /* Disable direct I/O if member drive lba exceeds 4 bytes */ - dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA); - if (dev_max_lba >> 32) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " - "disabled for the drive with handle(0x%04x) member" - "handle (0x%04x) unsupported max lba 0x%016llx\n", - ioc->name, raid_device->handle, - le16_to_cpu(pd_pg0.DevHandle), - (unsigned long long)dev_max_lba); - goto out_error; - } - - raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle); - } - - /* - * Assumption for WD: Direct I/O is not supported if the volume is - * not RAID0 - */ - if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x): type=%d, " - "s_sz=%uK, blk_size=%u\n", ioc->name, - raid_device->handle, raid_device->volume_type, - (le32_to_cpu(vol_pg0->StripeSize) * - le16_to_cpu(vol_pg0->BlockSize)) / 1024, - le16_to_cpu(vol_pg0->BlockSize)); - goto out_error; - } - - stripe_sz = le32_to_cpu(vol_pg0->StripeSize); - stripe_exp = find_first_bit(&stripe_sz, 32); - if (stripe_exp == 32) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x) invalid stripe sz %uK\n", - ioc->name, raid_device->handle, - (le32_to_cpu(vol_pg0->StripeSize) * - le16_to_cpu(vol_pg0->BlockSize)) / 1024); - goto out_error; - } - raid_device->stripe_exponent = stripe_exp; - block_sz = le16_to_cpu(vol_pg0->BlockSize); - block_exp = find_first_bit(&block_sz, 16); - if (block_exp == 16) { - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " - "for the drive with handle(0x%04x) invalid block sz %u\n", - ioc->name, raid_device->handle, - le16_to_cpu(vol_pg0->BlockSize)); - goto out_error; - } - raid_device->block_exponent = block_exp; - raid_device->direct_io_enabled = 1; - - printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive" - " with handle(0x%04x)\n", ioc->name, raid_device->handle); - /* - * WARPDRIVE: Though the following fields are not used for direct IO, - * stored for future purpose: - */ - raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA); - raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize); - raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize); - - - kfree(vol_pg0); - return; - -out_error: - raid_device->direct_io_enabled = 0; - for (count = 0; count < num_pds; count++) - raid_device->pd_handle[count] = 0; - kfree(vol_pg0); - return; -} - -/** - * _scsih_enable_tlr - setting TLR flags - * @ioc: per adapter object - * @sdev: scsi device struct - * - * Enabling Transaction Layer Retries for tape devices when - * vpd page 0x90 is present - * - */ -static void -_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) -{ - /* only for TAPE */ - if (sdev->type != TYPE_TAPE) - return; - - if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) - return; - - sas_enable_tlr(sdev); - sdev_printk(KERN_INFO, sdev, "TLR %s\n", - sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); - return; - -} - -/** - * _scsih_slave_configure - device configure routine. - * @sdev: scsi device struct - * - * Returns 0 if ok. Any other return is assumed to be an error and - * the device is ignored. - */ -static int -_scsih_slave_configure(struct scsi_device *sdev) -{ - struct Scsi_Host *shost = sdev->host; - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - unsigned long flags; - int qdepth; - u8 ssp_target = 0; - char *ds = ""; - char *r_level = ""; - u16 handle, volume_handle = 0; - u64 volume_wwid = 0; - - qdepth = 1; - sas_device_priv_data = sdev->hostdata; - sas_device_priv_data->configured_lun = 1; - sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; - sas_target_priv_data = sas_device_priv_data->sas_target; - handle = sas_target_priv_data->handle; - - /* raid volume handling */ - if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (!raid_device) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - - if (_scsih_get_volume_capabilities(ioc, raid_device)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - /* - * WARPDRIVE: Initialize the required data for Direct IO - */ - _scsih_init_warpdrive_properties(ioc, raid_device); - - /* RAID Queue Depth Support - * IS volume = underlying qdepth of drive type, either - * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH - * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) - */ - if (raid_device->device_info & - MPI2_SAS_DEVICE_INFO_SSP_TARGET) { - qdepth = MPT2SAS_SAS_QUEUE_DEPTH; - ds = "SSP"; - } else { - qdepth = MPT2SAS_SATA_QUEUE_DEPTH; - if (raid_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - ds = "SATA"; - else - ds = "STP"; - } - - switch (raid_device->volume_type) { - case MPI2_RAID_VOL_TYPE_RAID0: - r_level = "RAID0"; - break; - case MPI2_RAID_VOL_TYPE_RAID1E: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - if (ioc->manu_pg10.OEMIdentifier && - (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & - MFG10_GF0_R10_DISPLAY) && - !(raid_device->num_pds % 2)) - r_level = "RAID10"; - else - r_level = "RAID1E"; - break; - case MPI2_RAID_VOL_TYPE_RAID1: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAID1"; - break; - case MPI2_RAID_VOL_TYPE_RAID10: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAID10"; - break; - case MPI2_RAID_VOL_TYPE_UNKNOWN: - default: - qdepth = MPT2SAS_RAID_QUEUE_DEPTH; - r_level = "RAIDX"; - break; - } - - if (!ioc->hide_ir_msg) - sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " - "wwid(0x%016llx), pd_count(%d), type(%s)\n", - r_level, raid_device->handle, - (unsigned long long)raid_device->wwid, - raid_device->num_pds, ds); - _scsih_change_queue_depth(sdev, qdepth); - /* raid transport support */ - if (!ioc->is_warpdrive) - _scsih_set_level(sdev, raid_device->volume_type); - return 0; - } - - /* non-raid handling */ - if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { - if (mpt2sas_config_get_volume_handle(ioc, handle, - &volume_handle)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__)); - return 1; - } - if (volume_handle && mpt2sas_config_get_volume_wwid(ioc, - volume_handle, &volume_wwid)) { - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__)); - return 1; - } - } - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_device_priv_data->sas_target->sas_address); - if (!sas_device) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - dfailprintk(ioc, printk(MPT2SAS_WARN_FMT - "failure at %s:%d/%s()!\n", ioc->name, __FILE__, - __LINE__, __func__)); - return 1; - } - sas_device->volume_handle = volume_handle; - sas_device->volume_wwid = volume_wwid; - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { - qdepth = MPT2SAS_SAS_QUEUE_DEPTH; - ssp_target = 1; - ds = "SSP"; - } else { - qdepth = MPT2SAS_SATA_QUEUE_DEPTH; - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) - ds = "STP"; - else if (sas_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - ds = "SATA"; - } - sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " - "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", - ds, sas_device->handle, - (unsigned long long)sas_device->sas_address, - sas_device->phy, - (unsigned long long)sas_device->device_name); - sdev_printk(KERN_INFO, sdev, "%s: " - "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, - (unsigned long long) sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!ssp_target) - _scsih_display_sata_capabilities(ioc, handle, sdev); - - _scsih_change_queue_depth(sdev, qdepth); - - if (ssp_target) { - sas_read_port_mode_page(sdev); - _scsih_enable_tlr(ioc, sdev); - } - - return 0; -} - -/** - * _scsih_bios_param - fetch head, sector, cylinder info for a disk - * @sdev: scsi device struct - * @bdev: pointer to block device context - * @capacity: device size (in 512 byte sectors) - * @params: three element array to place output: - * params[0] number of heads (max 255) - * params[1] number of sectors (max 63) - * params[2] number of cylinders - * - * Return nothing. - */ -static int -_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, - sector_t capacity, int params[]) -{ - int heads; - int sectors; - sector_t cylinders; - ulong dummy; - - heads = 64; - sectors = 32; - - dummy = heads * sectors; - cylinders = capacity; - sector_div(cylinders, dummy); - - /* - * Handle extended translation size for logical drives - * > 1Gb - */ - if ((ulong)capacity >= 0x200000) { - heads = 255; - sectors = 63; - dummy = heads * sectors; - cylinders = capacity; - sector_div(cylinders, dummy); - } - - /* return result */ - params[0] = heads; - params[1] = sectors; - params[2] = cylinders; - - return 0; -} - -/** - * _scsih_response_code - translation of device response code - * @ioc: per adapter object - * @response_code: response code returned by the device - * - * Return nothing. - */ -static void -_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) -{ - char *desc; - - switch (response_code) { - case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: - desc = "task management request completed"; - break; - case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: - desc = "invalid frame"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: - desc = "task management request not supported"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_FAILED: - desc = "task management request failed"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: - desc = "task management request succeeded"; - break; - case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: - desc = "invalid lun"; - break; - case 0xA: - desc = "overlapped tag attempted"; - break; - case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: - desc = "task queued, however not sent to target"; - break; - default: - desc = "unknown"; - break; - } - printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", - ioc->name, response_code, desc); -} - -/** - * _scsih_tm_done - tm completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: none. - * - * The callback handler when using scsih_issue_tm. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->tm_cmds.smid != smid) - return 1; - mpt2sas_base_flush_reply_queues(ioc); - ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply) { - memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; - } - ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->tm_cmds.done); - return 1; -} - -/** - * mpt2sas_scsih_set_tm_flag - set per target tm_busy - * @ioc: per adapter object - * @handle: device handle - * - * During taskmangement request, we need to freeze the device queue. - */ -void -mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - u8 skip = 0; - - shost_for_each_device(sdev, ioc->shost) { - if (skip) - continue; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - sas_device_priv_data->sas_target->tm_busy = 1; - skip = 1; - ioc->ignore_loginfos = 1; - } - } -} - -/** - * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy - * @ioc: per adapter object - * @handle: device handle - * - * During taskmangement request, we need to freeze the device queue. - */ -void -mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - u8 skip = 0; - - shost_for_each_device(sdev, ioc->shost) { - if (skip) - continue; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - sas_device_priv_data->sas_target->tm_busy = 0; - skip = 1; - ioc->ignore_loginfos = 0; - } - } -} - - -/** - * mpt2sas_scsih_issue_tm - main routine for sending tm requests - * @ioc: per adapter struct - * @device_handle: device handle - * @channel: the channel assigned by the OS - * @id: the id assigned by the OS - * @lun: lun number - * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) - * @smid_task: smid assigned to the task - * @timeout: timeout in seconds - * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF - * Context: user - * - * A generic API for sending task management requests to firmware. - * - * The callback index is set inside `ioc->tm_cb_idx`. - * - * Return SUCCESS or FAILED. - */ -int -mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, - uint id, uint lun, u8 type, u16 smid_task, ulong timeout, - enum mutex_type m_type) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - Mpi2SCSITaskManagementReply_t *mpi_reply; - u16 smid = 0; - u32 ioc_state; - unsigned long timeleft; - struct scsiio_tracker *scsi_lookup = NULL; - int rc; - - if (m_type == TM_MUTEX_ON) - mutex_lock(&ioc->tm_cmds.mutex); - if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", - __func__, ioc->name); - rc = FAILED; - goto err_out; - } - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - rc = FAILED; - goto err_out; - } - - ioc_state = mpt2sas_base_get_iocstate(ioc, 0); - if (ioc_state & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " - "active!\n", ioc->name)); - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - goto err_out; - } - - if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { - mpt2sas_base_fault_info(ioc, ioc_state & - MPI2_DOORBELL_DATA_MASK); - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - goto err_out; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = FAILED; - goto err_out; - } - - if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) - scsi_lookup = &ioc->scsi_lookup[smid_task - 1]; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," - " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, - smid_task)); - ioc->tm_cmds.status = MPT2_CMD_PENDING; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->tm_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = type; - mpi_request->TaskMID = cpu_to_le16(smid_task); - int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); - mpt2sas_scsih_set_tm_flag(ioc, handle); - init_completion(&ioc->tm_cmds.done); - mpt2sas_base_put_smid_hi_priority(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); - if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SCSITaskManagementRequest_t)/4); - if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = (!rc) ? SUCCESS : FAILED; - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mpt2sas_scsih_clear_tm_flag(ioc, handle); - goto err_out; - } - } - - if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { - mpi_reply = ioc->tm_cmds.reply; - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " - "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - if (ioc->logging_level & MPT_DEBUG_TM) { - _scsih_response_code(ioc, mpi_reply->ResponseCode); - if (mpi_reply->IOCStatus) - _debug_dump_mf(mpi_request, - sizeof(Mpi2SCSITaskManagementRequest_t)/4); - } - } - - switch (type) { - case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: - rc = SUCCESS; - if (scsi_lookup->scmd == NULL) - break; - rc = FAILED; - break; - - case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: - if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) - rc = FAILED; - else - rc = SUCCESS; - break; - - case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: - case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: - if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) - rc = FAILED; - else - rc = SUCCESS; - break; - case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: - rc = SUCCESS; - break; - default: - rc = FAILED; - break; - } - - mpt2sas_scsih_clear_tm_flag(ioc, handle); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - if (m_type == TM_MUTEX_ON) - mutex_unlock(&ioc->tm_cmds.mutex); - - return rc; - - err_out: - if (m_type == TM_MUTEX_ON) - mutex_unlock(&ioc->tm_cmds.mutex); - return rc; -} - -/** - * _scsih_tm_display_info - displays info about the device - * @ioc: per adapter struct - * @scmd: pointer to scsi command object - * - * Called by task management callback handlers. - */ -static void -_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) -{ - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *priv_target = starget->hostdata; - struct _sas_device *sas_device = NULL; - unsigned long flags; - char *device_str = NULL; - - if (!priv_target) - return; - if (ioc->hide_ir_msg) - device_str = "WarpDrive"; - else - device_str = "volume"; - - scsi_print_command(scmd); - if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - starget_printk(KERN_INFO, starget, "%s handle(0x%04x), " - "%s wwid(0x%016llx)\n", device_str, priv_target->handle, - device_str, (unsigned long long)priv_target->sas_address); - } else { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_from_target(ioc, priv_target); - if (sas_device) { - if (priv_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - starget_printk(KERN_INFO, starget, - "volume handle(0x%04x), " - "volume wwid(0x%016llx)\n", - sas_device->volume_handle, - (unsigned long long)sas_device->volume_wwid); - } - starget_printk(KERN_INFO, starget, - "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", - sas_device->handle, - (unsigned long long)sas_device->sas_address, - sas_device->phy); - starget_printk(KERN_INFO, starget, - "enclosure_logical_id(0x%016llx), slot(%d)\n", - (unsigned long long)sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } -} - -/** - * _scsih_abort - eh threads main abort routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_abort(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - u16 smid; - u16 handle; - int r; - - sdev_printk(KERN_INFO, scmd->device, "attempting task abort! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - sdev_printk(KERN_INFO, scmd->device, "device been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* search for the command */ - smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); - if (!smid) { - scmd->result = DID_RESET << 16; - r = SUCCESS; - goto out; - } - - /* for hidden raid components and volumes this is not supported */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT || - sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - mpt2sas_halt_firmware(ioc); - - handle = sas_device_priv_data->sas_target->handle; - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, scmd->device->lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON); - - out: - sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - return r; -} - -/** - * _scsih_dev_reset - eh threads main device reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_dev_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device = NULL; - u16 handle; - int r; - - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *target_priv_data = starget->hostdata; - - starget_printk(KERN_INFO, starget, "attempting device reset! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - starget_printk(KERN_INFO, starget, "device been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* for hidden raid components obtain the volume_handle */ - handle = 0; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - sas_device = mpt2sas_get_sdev_from_target(ioc, - target_priv_data); - if (sas_device) - handle = sas_device->volume_handle; - } else - handle = sas_device_priv_data->sas_target->handle; - - if (!handle) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, scmd->device->lun, - MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON); - - out: - sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - if (sas_device) - sas_device_put(sas_device); - - return r; -} - -/** - * _scsih_target_reset - eh threads main target reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_target_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device = NULL; - u16 handle; - int r; - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *target_priv_data = starget->hostdata; - - starget_printk(KERN_INFO, starget, "attempting target reset! " - "scmd(%p)\n", scmd); - _scsih_tm_display_info(ioc, scmd); - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - starget_printk(KERN_INFO, starget, "target been deleted! " - "scmd(%p)\n", scmd); - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - r = SUCCESS; - goto out; - } - - /* for hidden raid components obtain the volume_handle */ - handle = 0; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - sas_device = mpt2sas_get_sdev_from_target(ioc, - target_priv_data); - if (sas_device) - handle = sas_device->volume_handle; - } else - handle = sas_device_priv_data->sas_target->handle; - - if (!handle) { - scmd->result = DID_RESET << 16; - r = FAILED; - goto out; - } - - r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, - scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, - 30, TM_MUTEX_ON); - - out: - starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", - ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - if (sas_device) - sas_device_put(sas_device); - - return r; -} - -/** - * _scsih_host_reset - eh threads main host reset routine - * @scmd: pointer to scsi command object - * - * Returns SUCCESS if command aborted else FAILED - */ -static int -_scsih_host_reset(struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); - int r, retval; - - printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", - ioc->name, scmd); - scsi_print_command(scmd); - - if (ioc->is_driver_loading) { - printk(MPT2SAS_INFO_FMT "Blocking the host reset\n", - ioc->name); - r = FAILED; - goto out; - } - - retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - r = (retval < 0) ? FAILED : SUCCESS; - - out: - printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", - ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); - - return r; -} - -/** - * _scsih_fw_event_add - insert and queue up fw_event - * @ioc: per adapter object - * @fw_event: object describing the event - * Context: This function will acquire ioc->fw_event_lock. - * - * This adds the firmware event object into link list, then queues it up to - * be processed from user context. - * - * Return nothing. - */ -static void -_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) -{ - unsigned long flags; - - if (ioc->firmware_event_thread == NULL) - return; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - fw_event_work_get(fw_event); - list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); - fw_event_work_get(fw_event); - queue_delayed_work(ioc->firmware_event_thread, - &fw_event->delayed_work, 0); - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_fw_event_del_from_list - delete fw_event from the list - * @ioc: per adapter object - * @fw_event: object describing the event - * Context: This function will acquire ioc->fw_event_lock. - * - * If the fw_event is on the fw_event_list, remove it and do a put. - * - * Return nothing. - */ -static void -_scsih_fw_event_del_from_list(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work - *fw_event) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (!list_empty(&fw_event->list)) { - list_del_init(&fw_event->list); - fw_event_work_put(fw_event); - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_error_recovery_delete_devices - remove devices not responding - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - if (ioc->is_driver_loading) - return; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - - fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -/** - * mpt2sas_port_enable_complete - port enable completed (fake event) - * @ioc: per adapter object - * - * Return nothing. - */ -void -mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -static struct fw_event_work *dequeue_next_fw_event(struct MPT2SAS_ADAPTER *ioc) -{ - unsigned long flags; - struct fw_event_work *fw_event = NULL; - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (!list_empty(&ioc->fw_event_list)) { - fw_event = list_first_entry(&ioc->fw_event_list, - struct fw_event_work, list); - list_del_init(&fw_event->list); - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - - return fw_event; -} - -/** - * _scsih_fw_event_cleanup_queue - cleanup event queue - * @ioc: per adapter object - * - * Walk the firmware event queue, either killing timers, or waiting - * for outstanding events to complete - * - * Return nothing. - */ -static void -_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) -{ - struct fw_event_work *fw_event; - - if (list_empty(&ioc->fw_event_list) || - !ioc->firmware_event_thread || in_interrupt()) - return; - - while ((fw_event = dequeue_next_fw_event(ioc))) { - /* - * Wait on the fw_event to complete. If this returns 1, then - * the event was never executed, and we need a put for the - * reference the delayed_work had on the fw_event. - * - * If it did execute, we wait for it to finish, and the put will - * happen from _firmware_event_work() - */ - if (cancel_delayed_work_sync(&fw_event->delayed_work)) - fw_event_work_put(fw_event); - - fw_event_work_put(fw_event); - } -} - -/** - * _scsih_ublock_io_all_device - unblock every device - * @ioc: per adapter object - * - * change the device state from block to running - */ -static void -_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (!sas_device_priv_data->block) - continue; - sas_device_priv_data->block = 0; - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, " - "handle(0x%04x)\n", - sas_device_priv_data->sas_target->handle)); - scsi_internal_device_unblock(sdev, SDEV_RUNNING); - } -} -/** - * _scsih_ublock_io_device - set the device state to SDEV_RUNNING - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (!sas_device_priv_data->block) - continue; - if (sas_device_priv_data->sas_target->sas_address == - sas_address) { - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, - MPT2SAS_INFO_FMT "SDEV_RUNNING: " - "sas address(0x%016llx)\n", ioc->name, - (unsigned long long)sas_address)); - sas_device_priv_data->block = 0; - scsi_internal_device_unblock(sdev, SDEV_RUNNING); - } - } -} - -/** - * _scsih_block_io_all_device - set the device state to SDEV_BLOCK - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->block) - continue; - sas_device_priv_data->block = 1; - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, " - "handle(0x%04x)\n", - sas_device_priv_data->sas_target->handle)); - scsi_internal_device_block(sdev); - } -} - - -/** - * _scsih_block_io_device - set the device state to SDEV_BLOCK - * @ioc: per adapter object - * @handle: device handle - * - * During device pull we need to appropiately set the sdev state. - */ -static void -_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) - continue; - if (sas_device_priv_data->block) - continue; - if (sas_device_priv_data->sas_target->handle == handle) { - dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, - MPT2SAS_INFO_FMT "SDEV_BLOCK: " - "handle(0x%04x)\n", ioc->name, handle)); - sas_device_priv_data->block = 1; - scsi_internal_device_block(sdev); - } - } -} - -/** - * _scsih_block_io_to_children_attached_to_ex - * @ioc: per adapter object - * @sas_expander: the sas_device object - * - * This routine set sdev state to SDEV_BLOCK for all devices - * attached to this expander. This function called when expander is - * pulled. - */ -static void -_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - struct _sas_port *mpt2sas_port; - struct _sas_device *sas_device; - struct _sas_node *expander_sibling; - unsigned long flags; - - if (!sas_expander) - return; - - list_for_each_entry(mpt2sas_port, - &sas_expander->sas_port_list, port_list) { - if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - mpt2sas_port->remote_identify.sas_address); - if (sas_device) { - set_bit(sas_device->handle, - ioc->blocking_handles); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - } - } - - list_for_each_entry(mpt2sas_port, - &sas_expander->sas_port_list, port_list) { - - if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) { - expander_sibling = - mpt2sas_scsih_expander_find_by_sas_address( - ioc, mpt2sas_port->remote_identify.sas_address); - _scsih_block_io_to_children_attached_to_ex(ioc, - expander_sibling); - } - } -} - -/** - * _scsih_block_io_to_children_attached_directly - * @ioc: per adapter object - * @event_data: topology change event data - * - * This routine set sdev state to SDEV_BLOCK for all devices - * direct attached during device pull. - */ -static void -_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - int i; - u16 handle; - u16 reason_code; - u8 phy_number; - - for (i = 0; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - phy_number = event_data->StartPhyNum + i; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) - _scsih_block_io_device(ioc, handle); - } -} - -/** - * _scsih_tm_tr_send - send task management request - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt time. - * - * This code is to initiate the device removal handshake protocol - * with controller firmware. This function will issue target reset - * using high priority request queue. It will send a sas iounit - * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. - * - * This is designed to send muliple task management request at the same - * time to the fifo. If the fifo is full, we will append the request, - * and process it in a future completion. - */ -static void -_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - u16 smid; - struct _sas_device *sas_device = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data = NULL; - u64 sas_address = 0; - unsigned long flags; - struct _tr_list *delayed_tr; - u32 ioc_state; - - if (ioc->remove_host) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " - "removed: handle(0x%04x)\n", __func__, ioc->name, handle)); - return; - } else if (ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " - "error recovery: handle(0x%04x)\n", __func__, ioc->name, - handle)); - return; - } - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " - "operational: handle(0x%04x)\n", __func__, ioc->name, - handle)); - return; - } - - /* if PD, then return */ - if (test_bit(handle, ioc->pd_handles)) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device && sas_device->starget && - sas_device->starget->hostdata) { - sas_target_priv_data = sas_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - sas_address = sas_device->sas_address; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_target_priv_data) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle, - (unsigned long long)sas_address)); - _scsih_ublock_io_device(ioc, sas_address); - sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); - if (!smid) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - if (!delayed_tr) - goto out; - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", - ioc->name, handle)); - goto out; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, - ioc->tm_tr_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; - mpt2sas_base_put_smid_hi_priority(ioc, smid); -out: - if (sas_device) - sas_device_put(sas_device); -} - - - -/** - * _scsih_sas_control_complete - completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * This is the sas iounit control completion routine. - * This code is part of the code to initiate the device removal - * handshake protocol with controller firmware. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u8 msix_index, u32 reply) -{ - Mpi2SasIoUnitControlReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (likely(mpi_reply)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "sc_complete:handle(0x%04x), (open) " - "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, - le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo))); - } else { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - } - return 1; -} - -/** - * _scsih_tm_tr_volume_send - send target reset request for volumes - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt time. - * - * This is designed to send muliple task management request at the same - * time to the fifo. If the fifo is full, we will append the request, - * and process it in a future completion. - */ -static void -_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SCSITaskManagementRequest_t *mpi_request; - u16 smid; - struct _tr_list *delayed_tr; - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " - "progress!\n", __func__, ioc->name)); - return; - } - - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); - if (!smid) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - if (!delayed_tr) - return; - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", - ioc->name, handle)); - return; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, - ioc->tm_tr_volume_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; - mpi_request->DevHandle = cpu_to_le16(handle); - mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; - mpt2sas_base_put_smid_hi_priority(ioc, smid); -} - -/** - * _scsih_tm_volume_tr_complete - target reset completion - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, - u8 msix_index, u32 reply) -{ - u16 handle; - Mpi2SCSITaskManagementRequest_t *mpi_request_tm; - Mpi2SCSITaskManagementReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " - "progress!\n", __func__, ioc->name)); - return 1; - } - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return 1; - } - mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); - handle = le16_to_cpu(mpi_request_tm->DevHandle); - if (handle != le16_to_cpu(mpi_reply->DevHandle)) { - dewtprintk(ioc, printk("spurious interrupt: " - "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, - le16_to_cpu(mpi_reply->DevHandle), smid)); - return 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " - "loginfo(0x%08x), completed(%d)\n", ioc->name, - handle, smid, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - - return _scsih_check_for_pending_tm(ioc, smid); -} - -/** - * _scsih_tm_tr_complete - - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt time. - * - * This is the target reset completion routine. - * This code is part of the code to initiate the device removal - * handshake protocol with controller firmware. - * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - u16 handle; - Mpi2SCSITaskManagementRequest_t *mpi_request_tm; - Mpi2SCSITaskManagementReply_t *mpi_reply = - mpt2sas_base_get_reply_virt_addr(ioc, reply); - Mpi2SasIoUnitControlRequest_t *mpi_request; - u16 smid_sas_ctrl; - u32 ioc_state; - - if (ioc->remove_host) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " - "removed\n", __func__, ioc->name)); - return 1; - } else if (ioc->pci_error_recovery) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " - "error recovery\n", __func__, ioc->name)); - return 1; - } - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " - "operational\n", __func__, ioc->name)); - return 1; - } - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return 1; - } - mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); - handle = le16_to_cpu(mpi_request_tm->DevHandle); - if (handle != le16_to_cpu(mpi_reply->DevHandle)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " - "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, - le16_to_cpu(mpi_reply->DevHandle), smid)); - return 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " - "loginfo(0x%08x), completed(%d)\n", ioc->name, - handle, smid, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - - smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); - if (!smid_sas_ctrl) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - return 1; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " - "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, - ioc->tm_sas_control_cb_idx)); - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); - memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; - mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; - mpi_request->DevHandle = mpi_request_tm->DevHandle; - mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); - - return _scsih_check_for_pending_tm(ioc, smid); -} - -/** - * _scsih_check_for_pending_tm - check for pending task management - * @ioc: per adapter object - * @smid: system request message index - * - * This will check delayed target reset list, and feed the - * next reqeust. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - struct _tr_list *delayed_tr; - - if (!list_empty(&ioc->delayed_tr_volume_list)) { - delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, - struct _tr_list, list); - mpt2sas_base_free_smid(ioc, smid); - _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); - list_del(&delayed_tr->list); - kfree(delayed_tr); - return 0; - } - - if (!list_empty(&ioc->delayed_tr_list)) { - delayed_tr = list_entry(ioc->delayed_tr_list.next, - struct _tr_list, list); - mpt2sas_base_free_smid(ioc, smid); - _scsih_tm_tr_send(ioc, delayed_tr->handle); - list_del(&delayed_tr->list); - kfree(delayed_tr); - return 0; - } - - return 1; -} - -/** - * _scsih_check_topo_delete_events - sanity check on topo events - * @ioc: per adapter object - * @event_data: the event data payload - * - * This routine added to better handle cable breaker. - * - * This handles the case where driver receives multiple expander - * add and delete events in a single shot. When there is a delete event - * the routine will void any pending add events waiting in the event queue. - * - * Return nothing. - */ -static void -_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - struct fw_event_work *fw_event; - Mpi2EventDataSasTopologyChangeList_t *local_event_data; - u16 expander_handle; - struct _sas_node *sas_expander; - unsigned long flags; - int i, reason_code; - u16 handle; - - for (i = 0 ; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) - _scsih_tm_tr_send(ioc, handle); - } - - expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); - if (expander_handle < ioc->sas_hba.num_phys) { - _scsih_block_io_to_children_attached_directly(ioc, event_data); - return; - } - if (event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) { - /* put expander attached devices into blocking state */ - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, - expander_handle); - _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - do { - handle = find_first_bit(ioc->blocking_handles, - ioc->facts.MaxDevHandle); - if (handle < ioc->facts.MaxDevHandle) - _scsih_block_io_device(ioc, handle); - } while (test_and_clear_bit(handle, ioc->blocking_handles)); - } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) - _scsih_block_io_to_children_attached_directly(ioc, event_data); - - if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) - return; - - /* mark ignore flag for pending events */ - spin_lock_irqsave(&ioc->fw_event_lock, flags); - list_for_each_entry(fw_event, &ioc->fw_event_list, list) { - if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || - fw_event->ignore) - continue; - local_event_data = (Mpi2EventDataSasTopologyChangeList_t *) - fw_event->event_data; - if (local_event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_ADDED || - local_event_data->ExpStatus == - MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { - if (le16_to_cpu(local_event_data->ExpanderDevHandle) == - expander_handle) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "setting ignoring flag\n", ioc->name)); - fw_event->ignore = 1; - } - } - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); -} - -/** - * _scsih_set_volume_delete_flag - setting volume delete flag - * @ioc: per adapter object - * @handle: device handle - * - * This - * Return nothing. - */ -static void -_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device && raid_device->starget && - raid_device->starget->hostdata) { - sas_target_priv_data = - raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "setting delete flag: handle(0x%04x), " - "wwid(0x%016llx)\n", ioc->name, handle, - (unsigned long long) raid_device->wwid)); - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_set_volume_handle_for_tr - set handle for target reset to volume - * @handle: input handle - * @a: handle for volume a - * @b: handle for volume b - * - * IR firmware only supports two raid volumes. The purpose of this - * routine is to set the volume handle in either a or b. When the given - * input handle is non-zero, or when a and b have not been set before. - */ -static void -_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) -{ - if (!handle || handle == *a || handle == *b) - return; - if (!*a) - *a = handle; - else if (!*b) - *b = handle; -} - -/** - * _scsih_check_ir_config_unhide_events - check for UNHIDE events - * @ioc: per adapter object - * @event_data: the event data payload - * Context: interrupt time. - * - * This routine will send target reset to volume, followed by target - * resets to the PDs. This is called when a PD has been removed, or - * volume has been deleted or removed. When the target reset is sent - * to volume, the PD target resets need to be queued to start upon - * completion of the volume target reset. - * - * Return nothing. - */ -static void -_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrConfigChangeList_t *event_data) -{ - Mpi2EventIrConfigElement_t *element; - int i; - u16 handle, volume_handle, a, b; - struct _tr_list *delayed_tr; - - a = 0; - b = 0; - - if (ioc->is_warpdrive) - return; - - /* Volume Resets for Deleted or Removed */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (element->ReasonCode == - MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || - element->ReasonCode == - MPI2_EVENT_IR_CHANGE_RC_REMOVED) { - volume_handle = le16_to_cpu(element->VolDevHandle); - _scsih_set_volume_delete_flag(ioc, volume_handle); - _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); - } - } - - /* Volume Resets for UNHIDE events */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) - continue; - if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { - volume_handle = le16_to_cpu(element->VolDevHandle); - _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); - } - } - - if (a) - _scsih_tm_tr_volume_send(ioc, a); - if (b) - _scsih_tm_tr_volume_send(ioc, b); - - /* PD target resets */ - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) - continue; - handle = le16_to_cpu(element->PhysDiskDevHandle); - volume_handle = le16_to_cpu(element->VolDevHandle); - clear_bit(handle, ioc->pd_handles); - if (!volume_handle) - _scsih_tm_tr_send(ioc, handle); - else if (volume_handle == a || volume_handle == b) { - delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); - BUG_ON(!delayed_tr); - INIT_LIST_HEAD(&delayed_tr->list); - delayed_tr->handle = handle; - list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, - handle)); - } else - _scsih_tm_tr_send(ioc, handle); - } -} - - -/** - * _scsih_check_volume_delete_events - set delete flag for volumes - * @ioc: per adapter object - * @event_data: the event data payload - * Context: interrupt time. - * - * This will handle the case when the cable connected to entire volume is - * pulled. We will take care of setting the deleted flag so normal IO will - * not be sent. - * - * Return nothing. - */ -static void -_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrVolume_t *event_data) -{ - u32 state; - - if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) - return; - state = le32_to_cpu(event_data->NewValue); - if (state == MPI2_RAID_VOL_STATE_MISSING || state == - MPI2_RAID_VOL_STATE_FAILED) - _scsih_set_volume_delete_flag(ioc, - le16_to_cpu(event_data->VolDevHandle)); -} - -/** - * _scsih_temp_threshold_events - display temperature threshold exceeded events - * @ioc: per adapter object - * @event_data: the temp threshold event data - * Context: interrupt time. - * - * Return nothing. - */ -static void -_scsih_temp_threshold_events(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataTemperature_t *event_data) -{ - if (ioc->temp_sensors_count >= event_data->SensorNum) { - printk(MPT2SAS_ERR_FMT "Temperature Threshold flags %s%s%s%s" - " exceeded for Sensor: %d !!!\n", ioc->name, - ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ", - ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ", - ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ", - ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ", - event_data->SensorNum); - printk(MPT2SAS_ERR_FMT "Current Temp In Celsius: %d\n", - ioc->name, event_data->CurrentTemperature); - } -} - -/** - * _scsih_flush_running_cmds - completing outstanding commands. - * @ioc: per adapter object - * - * The flushing out of all pending scmd commands following host reset, - * where all IO is dropped to the floor. - * - * Return nothing. - */ -static void -_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) -{ - struct scsi_cmnd *scmd; - u16 smid; - u16 count = 0; - - for (smid = 1; smid <= ioc->scsiio_depth; smid++) { - scmd = _scsih_scsi_lookup_get_clear(ioc, smid); - if (!scmd) - continue; - count++; - mpt2sas_base_free_smid(ioc, smid); - scsi_dma_unmap(scmd); - if (ioc->pci_error_recovery) - scmd->result = DID_NO_CONNECT << 16; - else - scmd->result = DID_RESET << 16; - scmd->scsi_done(scmd); - } - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", - ioc->name, count)); -} - -/** - * _scsih_setup_eedp - setup MPI request for EEDP transfer - * @scmd: pointer to scsi command object - * @mpi_request: pointer to the SCSI_IO reqest message frame - * - * Supporting protection 1 and 3. - * - * Returns nothing - */ -static void -_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) -{ - u16 eedp_flags; - unsigned char prot_op = scsi_get_prot_op(scmd); - unsigned char prot_type = scsi_get_prot_type(scmd); - - if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) - return; - - if (prot_op == SCSI_PROT_READ_STRIP) - eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; - else if (prot_op == SCSI_PROT_WRITE_INSERT) - eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; - else - return; - - switch (prot_type) { - case SCSI_PROT_DIF_TYPE1: - case SCSI_PROT_DIF_TYPE2: - - /* - * enable ref/guard checking - * auto increment ref tag - */ - eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | - MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | - MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; - mpi_request->CDB.EEDP32.PrimaryReferenceTag = - cpu_to_be32(scsi_get_lba(scmd)); - break; - - case SCSI_PROT_DIF_TYPE3: - - /* - * enable guard checking - */ - eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; - break; - } - mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); - mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); -} - -/** - * _scsih_eedp_error_handling - return sense code for EEDP errors - * @scmd: pointer to scsi command object - * @ioc_status: ioc status - * - * Returns nothing - */ -static void -_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) -{ - u8 ascq; - - switch (ioc_status) { - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - ascq = 0x01; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - ascq = 0x02; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - ascq = 0x03; - break; - default: - ascq = 0x00; - break; - } - - scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq); - scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | - SAM_STAT_CHECK_CONDITION; -} - -/** - * _scsih_scsi_direct_io_get - returns direct io flag - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - */ -static inline u8 -_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return ioc->scsi_lookup[smid - 1].direct_io; -} - -/** - * _scsih_scsi_direct_io_set - sets direct io flag - * @ioc: per adapter object - * @smid: system request message index - * @direct_io: Zero or non-zero value to set in the direct_io flag - * - * Returns Nothing. - */ -static inline void -_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io) -{ - ioc->scsi_lookup[smid - 1].direct_io = direct_io; -} - - -/** - * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O - * @ioc: per adapter object - * @scmd: pointer to scsi command object - * @raid_device: pointer to raid device data structure - * @mpi_request: pointer to the SCSI_IO reqest message frame - * @smid: system request message index - * - * Returns nothing - */ -static void -_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, - struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, - u16 smid) -{ - sector_t v_lba, p_lba, stripe_off, column, io_size; - u32 stripe_sz, stripe_exp; - u8 num_pds, cmd = scmd->cmnd[0]; - - if (cmd != READ_10 && cmd != WRITE_10 && - cmd != READ_16 && cmd != WRITE_16) - return; - - if (cmd == READ_10 || cmd == WRITE_10) - v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]); - else - v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]); - - io_size = scsi_bufflen(scmd) >> raid_device->block_exponent; - - if (v_lba + io_size - 1 > raid_device->max_lba) - return; - - stripe_sz = raid_device->stripe_sz; - stripe_exp = raid_device->stripe_exponent; - stripe_off = v_lba & (stripe_sz - 1); - - /* Return unless IO falls within a stripe */ - if (stripe_off + io_size > stripe_sz) - return; - - num_pds = raid_device->num_pds; - p_lba = v_lba >> stripe_exp; - column = sector_div(p_lba, num_pds); - p_lba = (p_lba << stripe_exp) + stripe_off; - - mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]); - - if (cmd == READ_10 || cmd == WRITE_10) - put_unaligned_be32(lower_32_bits(p_lba), - &mpi_request->CDB.CDB32[2]); - else - put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]); - - _scsih_scsi_direct_io_set(ioc, smid, 1); -} - -/** - * _scsih_qcmd - main scsi request entry point - * @scmd: pointer to scsi command object - * @done: function pointer to be invoked on completion - * - * The callback index is set inside `ioc->scsi_io_cb_idx`. - * - * Returns 0 on success. If there's a failure, return either: - * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or - * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full - */ -static int -_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _raid_device *raid_device; - Mpi2SCSIIORequest_t *mpi_request; - u32 mpi_control; - u16 smid; - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - if (ioc->pci_error_recovery || ioc->remove_host) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - sas_target_priv_data = sas_device_priv_data->sas_target; - /* invalid device handle */ - if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - /* host recovery or link resets sent via IOCTLs */ - if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) - return SCSI_MLQUEUE_HOST_BUSY; - /* device busy with task management */ - else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) - return SCSI_MLQUEUE_DEVICE_BUSY; - /* device has been deleted */ - else if (sas_target_priv_data->deleted) { - scmd->result = DID_NO_CONNECT << 16; - scmd->scsi_done(scmd); - return 0; - } - - if (scmd->sc_data_direction == DMA_FROM_DEVICE) - mpi_control = MPI2_SCSIIO_CONTROL_READ; - else if (scmd->sc_data_direction == DMA_TO_DEVICE) - mpi_control = MPI2_SCSIIO_CONTROL_WRITE; - else - mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; - - /* set tags */ - mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; - - /* Make sure Device is not raid volume. - * We do not expose raid functionality to upper layer for warpdrive. - */ - if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && - sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) - mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; - - smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - goto out; - } - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); - _scsih_setup_eedp(scmd, mpi_request); - if (scmd->cmd_len == 32) - mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; - mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) - mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; - else - mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; - mpi_request->DevHandle = - cpu_to_le16(sas_device_priv_data->sas_target->handle); - mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); - mpi_request->Control = cpu_to_le32(mpi_control); - mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); - mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; - mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; - mpi_request->SenseBufferLowAddress = - mpt2sas_base_get_sense_buffer_dma(ioc, smid); - mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; - mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + - MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) - mpi_request->LUN); - memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); - - if (!mpi_request->DataLength) { - mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); - } else { - if (_scsih_build_scatter_gather(ioc, scmd, smid)) { - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - raid_device = sas_target_priv_data->raid_device; - if (raid_device && raid_device->direct_io_enabled) - _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request, - smid); - - if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) - mpt2sas_base_put_smid_scsi_io(ioc, smid, - le16_to_cpu(mpi_request->DevHandle)); - else - mpt2sas_base_put_smid_default(ioc, smid); - return 0; - - out: - return SCSI_MLQUEUE_HOST_BUSY; -} - -/** - * _scsih_normalize_sense - normalize descriptor and fixed format sense data - * @sense_buffer: sense data returned by target - * @data: normalized skey/asc/ascq - * - * Return nothing. - */ -static void -_scsih_normalize_sense(char *sense_buffer, struct sense_info *data) -{ - if ((sense_buffer[0] & 0x7F) >= 0x72) { - /* descriptor format */ - data->skey = sense_buffer[1] & 0x0F; - data->asc = sense_buffer[2]; - data->ascq = sense_buffer[3]; - } else { - /* fixed format */ - data->skey = sense_buffer[2] & 0x0F; - data->asc = sense_buffer[12]; - data->ascq = sense_buffer[13]; - } -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request - * @ioc: per adapter object - * @scmd: pointer to scsi command object - * @mpi_reply: reply mf payload returned from firmware - * - * scsi_status - SCSI Status code returned from target device - * scsi_state - state info associated with SCSI_IO determined by ioc - * ioc_status - ioc supplied status info - * - * Return nothing. - */ -static void -_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, - Mpi2SCSIIOReply_t *mpi_reply, u16 smid) -{ - u32 response_info; - u8 *response_bytes; - u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & - MPI2_IOCSTATUS_MASK; - u8 scsi_state = mpi_reply->SCSIState; - u8 scsi_status = mpi_reply->SCSIStatus; - char *desc_ioc_state = NULL; - char *desc_scsi_status = NULL; - char *desc_scsi_state = ioc->tmp_string; - u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); - struct _sas_device *sas_device = NULL; - struct scsi_target *starget = scmd->device->sdev_target; - struct MPT2SAS_TARGET *priv_target = starget->hostdata; - char *device_str = NULL; - - if (!priv_target) - return; - - if (ioc->hide_ir_msg) - device_str = "WarpDrive"; - else - device_str = "volume"; - - if (log_info == 0x31170000) - return; - - switch (ioc_status) { - case MPI2_IOCSTATUS_SUCCESS: - desc_ioc_state = "success"; - break; - case MPI2_IOCSTATUS_INVALID_FUNCTION: - desc_ioc_state = "invalid function"; - break; - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - desc_ioc_state = "scsi recovered error"; - break; - case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: - desc_ioc_state = "scsi invalid dev handle"; - break; - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - desc_ioc_state = "scsi device not there"; - break; - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - desc_ioc_state = "scsi data overrun"; - break; - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - desc_ioc_state = "scsi data underrun"; - break; - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - desc_ioc_state = "scsi io data error"; - break; - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - desc_ioc_state = "scsi protocol error"; - break; - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - desc_ioc_state = "scsi task terminated"; - break; - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - desc_ioc_state = "scsi residual mismatch"; - break; - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - desc_ioc_state = "scsi task mgmt failed"; - break; - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - desc_ioc_state = "scsi ioc terminated"; - break; - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - desc_ioc_state = "scsi ext terminated"; - break; - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - desc_ioc_state = "eedp guard error"; - break; - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - desc_ioc_state = "eedp ref tag error"; - break; - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - desc_ioc_state = "eedp app tag error"; - break; - default: - desc_ioc_state = "unknown"; - break; - } - - switch (scsi_status) { - case MPI2_SCSI_STATUS_GOOD: - desc_scsi_status = "good"; - break; - case MPI2_SCSI_STATUS_CHECK_CONDITION: - desc_scsi_status = "check condition"; - break; - case MPI2_SCSI_STATUS_CONDITION_MET: - desc_scsi_status = "condition met"; - break; - case MPI2_SCSI_STATUS_BUSY: - desc_scsi_status = "busy"; - break; - case MPI2_SCSI_STATUS_INTERMEDIATE: - desc_scsi_status = "intermediate"; - break; - case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: - desc_scsi_status = "intermediate condmet"; - break; - case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: - desc_scsi_status = "reservation conflict"; - break; - case MPI2_SCSI_STATUS_COMMAND_TERMINATED: - desc_scsi_status = "command terminated"; - break; - case MPI2_SCSI_STATUS_TASK_SET_FULL: - desc_scsi_status = "task set full"; - break; - case MPI2_SCSI_STATUS_ACA_ACTIVE: - desc_scsi_status = "aca active"; - break; - case MPI2_SCSI_STATUS_TASK_ABORTED: - desc_scsi_status = "task aborted"; - break; - default: - desc_scsi_status = "unknown"; - break; - } - - desc_scsi_state[0] = '\0'; - if (!scsi_state) - desc_scsi_state = " "; - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) - strcat(desc_scsi_state, "response info "); - if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - strcat(desc_scsi_state, "state terminated "); - if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) - strcat(desc_scsi_state, "no status "); - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) - strcat(desc_scsi_state, "autosense failed "); - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) - strcat(desc_scsi_state, "autosense valid "); - - scsi_print_command(scmd); - - if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { - printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name, - device_str, (unsigned long long)priv_target->sas_address); - } else { - sas_device = mpt2sas_get_sdev_from_target(ioc, priv_target); - if (sas_device) { - printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " - "phy(%d)\n", ioc->name, sas_device->sas_address, - sas_device->phy); - printk(MPT2SAS_WARN_FMT - "\tenclosure_logical_id(0x%016llx), slot(%d)\n", - ioc->name, sas_device->enclosure_logical_id, - sas_device->slot); - - sas_device_put(sas_device); - } - } - - printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), " - "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle), - desc_ioc_state, ioc_status, smid); - printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " - "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, - scsi_get_resid(scmd)); - printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " - "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), - le32_to_cpu(mpi_reply->TransferCount), scmd->result); - printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " - "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, - scsi_status, desc_scsi_state, scsi_state); - - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { - struct sense_info data; - _scsih_normalize_sense(scmd->sense_buffer, &data); - printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " - "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, - data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); - } - - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { - response_info = le32_to_cpu(mpi_reply->ResponseInfo); - response_bytes = (u8 *)&response_info; - _scsih_response_code(ioc, response_bytes[0]); - } -} -#endif - -/** - * _scsih_turn_on_pfa_led - illuminate PFA LED - * @ioc: per adapter object - * @handle: device handle - * Context: process - * - * Return nothing. - */ -static void -_scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2SepReply_t mpi_reply; - Mpi2SepRequest_t mpi_request; - struct _sas_device *sas_device; - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (!sas_device) - return; - - memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; - mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; - mpi_request.SlotStatus = - cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); - mpi_request.DevHandle = cpu_to_le16(handle); - mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; - if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - goto out; - } - sas_device->pfa_led_on = 1; - - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); - goto out; - } -out: - sas_device_put(sas_device); -} - -/** - * _scsih_turn_off_pfa_led - turn off PFA LED - * @ioc: per adapter object - * @sas_device: sas device whose PFA LED has to turned off - * Context: process - * - * Return nothing. - */ -static void -_scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - Mpi2SepReply_t mpi_reply; - Mpi2SepRequest_t mpi_request; - - memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; - mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; - mpi_request.SlotStatus = 0; - mpi_request.Slot = cpu_to_le16(sas_device->slot); - mpi_request.DevHandle = 0; - mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle); - mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; - if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: " - "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name, - le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); - return; - } -} - -/** - * _scsih_send_event_to_turn_on_pfa_led - fire delayed event - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt. - * - * Return nothing. - */ -static void -_scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct fw_event_work *fw_event; - - fw_event = alloc_fw_event_work(0); - if (!fw_event) - return; - fw_event->event = MPT2SAS_TURN_ON_PFA_LED; - fw_event->device_handle = handle; - fw_event->ioc = ioc; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); -} - -/** - * _scsih_smart_predicted_fault - process smart errors - * @ioc: per adapter object - * @handle: device handle - * Context: interrupt. - * - * Return nothing. - */ -static void -_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct scsi_target *starget; - struct MPT2SAS_TARGET *sas_target_priv_data; - Mpi2EventNotificationReply_t *event_reply; - Mpi2EventDataSasDeviceStatusChange_t *event_data; - struct _sas_device *sas_device; - ssize_t sz; - unsigned long flags; - - /* only handle non-raid devices */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (!sas_device) { - goto out_unlock; - } - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - - if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || - ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) - goto out_unlock; - - starget_printk(KERN_WARNING, starget, "predicted fault\n"); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) - _scsih_send_event_to_turn_on_pfa_led(ioc, handle); - - /* insert into event log */ - sz = offsetof(Mpi2EventNotificationReply_t, EventData) + - sizeof(Mpi2EventDataSasDeviceStatusChange_t); - event_reply = kzalloc(sz, GFP_ATOMIC); - if (!event_reply) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; - event_reply->Event = - cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); - event_reply->MsgLength = sz/4; - event_reply->EventDataLength = - cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); - event_data = (Mpi2EventDataSasDeviceStatusChange_t *) - event_reply->EventData; - event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; - event_data->ASC = 0x5D; - event_data->DevHandle = cpu_to_le16(handle); - event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); - mpt2sas_ctl_add_to_event_log(ioc, event_reply); - kfree(event_reply); -out: - if (sas_device) - sas_device_put(sas_device); - return; - -out_unlock: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - goto out; -} - -/** - * _scsih_io_done - scsi request callback - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Callback handler when using _scsih_qcmd. - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - Mpi2SCSIIORequest_t *mpi_request; - Mpi2SCSIIOReply_t *mpi_reply; - struct scsi_cmnd *scmd; - u16 ioc_status; - u32 xfer_cnt; - u8 scsi_state; - u8 scsi_status; - u32 log_info; - struct MPT2SAS_DEVICE *sas_device_priv_data; - u32 response_code = 0; - unsigned long flags; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - scmd = _scsih_scsi_lookup_get_clear(ioc, smid); - if (scmd == NULL) - return 1; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - - if (mpi_reply == NULL) { - scmd->result = DID_OK << 16; - goto out; - } - - sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target || - sas_device_priv_data->sas_target->deleted) { - scmd->result = DID_NO_CONNECT << 16; - goto out; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus); - /* - * WARPDRIVE: If direct_io is set then it is directIO, - * the failed direct I/O should be redirected to volume - */ - if (_scsih_scsi_direct_io_get(ioc, smid) && - ((ioc_status & MPI2_IOCSTATUS_MASK) - != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - ioc->scsi_lookup[smid - 1].scmd = scmd; - _scsih_scsi_direct_io_set(ioc, smid, 0); - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); - mpi_request->DevHandle = - cpu_to_le16(sas_device_priv_data->sas_target->handle); - mpt2sas_base_put_smid_scsi_io(ioc, smid, - sas_device_priv_data->sas_target->handle); - return 0; - } - - - /* turning off TLR */ - scsi_state = mpi_reply->SCSIState; - if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) - response_code = - le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; - if (!sas_device_priv_data->tlr_snoop_check) { - sas_device_priv_data->tlr_snoop_check++; - /* Make sure Device is not raid volume. - * We do not expose raid functionality to upper layer for warpdrive. - */ - if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && - sas_is_tlr_enabled(scmd->device) && - response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { - sas_disable_tlr(scmd->device); - sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); - } - } - - xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); - scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); - if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) - log_info = le32_to_cpu(mpi_reply->IOCLogInfo); - else - log_info = 0; - ioc_status &= MPI2_IOCSTATUS_MASK; - scsi_status = mpi_reply->SCSIStatus; - - if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && - (scsi_status == MPI2_SCSI_STATUS_BUSY || - scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || - scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { - ioc_status = MPI2_IOCSTATUS_SUCCESS; - } - - if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { - struct sense_info data; - const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, - smid); - u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, - le32_to_cpu(mpi_reply->SenseCount)); - memcpy(scmd->sense_buffer, sense_data, sz); - _scsih_normalize_sense(scmd->sense_buffer, &data); - /* failure prediction threshold exceeded */ - if (data.asc == 0x5D) - _scsih_smart_predicted_fault(ioc, - le16_to_cpu(mpi_reply->DevHandle)); - } - - switch (ioc_status) { - case MPI2_IOCSTATUS_BUSY: - case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: - scmd->result = SAM_STAT_BUSY; - break; - - case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: - scmd->result = DID_NO_CONNECT << 16; - break; - - case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: - if (sas_device_priv_data->block) { - scmd->result = DID_TRANSPORT_DISRUPTED << 16; - goto out; - } - if (log_info == 0x32010081) { - scmd->result = DID_RESET << 16; - break; - } - scmd->result = DID_SOFT_ERROR << 16; - break; - case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: - case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: - scmd->result = DID_RESET << 16; - break; - - case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: - if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) - scmd->result = DID_SOFT_ERROR << 16; - else - scmd->result = (DID_OK << 16) | scsi_status; - break; - - case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: - scmd->result = (DID_OK << 16) | scsi_status; - - if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) - break; - - if (xfer_cnt < scmd->underflow) { - if (scsi_status == SAM_STAT_BUSY) - scmd->result = SAM_STAT_BUSY; - else - scmd->result = DID_SOFT_ERROR << 16; - } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | - MPI2_SCSI_STATE_NO_SCSI_STATUS)) - scmd->result = DID_SOFT_ERROR << 16; - else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - scmd->result = DID_RESET << 16; - else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { - mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; - mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; - scmd->result = (DRIVER_SENSE << 24) | - SAM_STAT_CHECK_CONDITION; - scmd->sense_buffer[0] = 0x70; - scmd->sense_buffer[2] = ILLEGAL_REQUEST; - scmd->sense_buffer[12] = 0x20; - scmd->sense_buffer[13] = 0; - } - break; - - case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: - scsi_set_resid(scmd, 0); - case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: - case MPI2_IOCSTATUS_SUCCESS: - scmd->result = (DID_OK << 16) | scsi_status; - if (response_code == - MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || - (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | - MPI2_SCSI_STATE_NO_SCSI_STATUS))) - scmd->result = DID_SOFT_ERROR << 16; - else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) - scmd->result = DID_RESET << 16; - break; - - case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: - case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: - case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: - _scsih_eedp_error_handling(scmd, ioc_status); - break; - case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: - case MPI2_IOCSTATUS_INVALID_FUNCTION: - case MPI2_IOCSTATUS_INVALID_SGL: - case MPI2_IOCSTATUS_INTERNAL_ERROR: - case MPI2_IOCSTATUS_INVALID_FIELD: - case MPI2_IOCSTATUS_INVALID_STATE: - case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: - case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: - default: - scmd->result = DID_SOFT_ERROR << 16; - break; - - } - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) - _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); -#endif - - out: - scsi_dma_unmap(scmd); - scmd->scsi_done(scmd); - return 1; -} - -/** - * _scsih_sas_host_refresh - refreshing sas host object contents - * @ioc: per adapter object - * Context: user - * - * During port enable, fw will send topology events for every device. Its - * possible that the handles may change from the previous setting, so this - * code keeping handles updating if changed. - * - * Return nothing. - */ -static void -_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) -{ - u16 sz; - u16 ioc_status; - int i; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; - u16 attached_handle; - u8 link_rate; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT - "updating handles for sas_host(0x%016llx)\n", - ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); - - sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys - * sizeof(Mpi2SasIOUnit0PhyData_t)); - sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, - sas_iounit_pg0, sz)) != 0) - goto out; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - goto out; - for (i = 0; i < ioc->sas_hba.num_phys ; i++) { - link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; - if (i == 0) - ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> - PhyData[0].ControllerDevHandle); - ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; - attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. - AttachedDevHandle); - if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) - link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; - mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, - attached_handle, i, link_rate); - } - out: - kfree(sas_iounit_pg0); -} - -/** - * _scsih_sas_host_add - create sas host object - * @ioc: per adapter object - * - * Creating host side data object, stored in ioc->sas_hba - * - * Return nothing. - */ -static void -_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) -{ - int i; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2SasPhyPage0_t phy_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2SasEnclosurePage0_t enclosure_pg0; - u16 ioc_status; - u16 sz; - u16 device_missing_delay; - - mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); - if (!ioc->sas_hba.num_phys) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - /* sas_iounit page 0 */ - sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit0PhyData_t)); - sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, - sas_iounit_pg0, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - /* sas_iounit page 1 */ - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit1PhyData_t)); - sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg1) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, - sas_iounit_pg1, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - ioc->io_missing_delay = - le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); - device_missing_delay = - le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); - if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) - ioc->device_missing_delay = (device_missing_delay & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; - else - ioc->device_missing_delay = device_missing_delay & - MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; - - ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; - ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, - sizeof(struct _sas_phy), GFP_KERNEL); - if (!ioc->sas_hba.phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - for (i = 0; i < ioc->sas_hba.num_phys ; i++) { - if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, - i))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - - if (i == 0) - ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> - PhyData[0].ControllerDevHandle); - ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; - ioc->sas_hba.phy[i].phy_id = i; - mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], - phy_pg0, ioc->sas_hba.parent_dev); - } - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out; - } - ioc->sas_hba.enclosure_handle = - le16_to_cpu(sas_device_pg0.EnclosureHandle); - ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " - "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, - (unsigned long long) ioc->sas_hba.sas_address, - ioc->sas_hba.num_phys) ; - - if (ioc->sas_hba.enclosure_handle) { - if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, - &enclosure_pg0, - MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - ioc->sas_hba.enclosure_handle))) { - ioc->sas_hba.enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - } - } - - out: - kfree(sas_iounit_pg1); - kfree(sas_iounit_pg0); -} - -/** - * _scsih_expander_add - creating expander object - * @ioc: per adapter object - * @handle: expander handle - * - * Creating expander object, stored in ioc->sas_expander_list. - * - * Return 0 for success, else error. - */ -static int -_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_node *sas_expander; - Mpi2ConfigReply_t mpi_reply; - Mpi2ExpanderPage0_t expander_pg0; - Mpi2ExpanderPage1_t expander_pg1; - Mpi2SasEnclosurePage0_t enclosure_pg0; - u32 ioc_status; - u16 parent_handle; - u64 sas_address, sas_address_parent = 0; - int i; - unsigned long flags; - struct _sas_port *mpt2sas_port = NULL; - int rc = 0; - - if (!handle) - return -1; - - if (ioc->shost_recovery || ioc->pci_error_recovery) - return -1; - - if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - /* handle out of order topology events */ - parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); - if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) - != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - if (sas_address_parent != ioc->sas_hba.sas_address) { - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address_parent); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (!sas_expander) { - rc = _scsih_expander_add(ioc, parent_handle); - if (rc != 0) - return rc; - } - } - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_address = le64_to_cpu(expander_pg0.SASAddress); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - if (sas_expander) - return 0; - - sas_expander = kzalloc(sizeof(struct _sas_node), - GFP_KERNEL); - if (!sas_expander) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_expander->handle = handle; - sas_expander->num_phys = expander_pg0.NumPhys; - sas_expander->sas_address_parent = sas_address_parent; - sas_expander->sas_address = sas_address; - - printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," - " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, - handle, parent_handle, (unsigned long long) - sas_expander->sas_address, sas_expander->num_phys); - - if (!sas_expander->num_phys) - goto out_fail; - sas_expander->phy = kcalloc(sas_expander->num_phys, - sizeof(struct _sas_phy), GFP_KERNEL); - if (!sas_expander->phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - - INIT_LIST_HEAD(&sas_expander->sas_port_list); - mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, - sas_address_parent); - if (!mpt2sas_port) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - sas_expander->parent_dev = &mpt2sas_port->rphy->dev; - - for (i = 0 ; i < sas_expander->num_phys ; i++) { - if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, - &expander_pg1, i, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - sas_expander->phy[i].handle = handle; - sas_expander->phy[i].phy_id = i; - - if ((mpt2sas_transport_add_expander_phy(ioc, - &sas_expander->phy[i], expander_pg1, - sas_expander->parent_dev))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -1; - goto out_fail; - } - } - - if (sas_expander->enclosure_handle) { - if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, - &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - sas_expander->enclosure_handle))) { - sas_expander->enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - } - } - - _scsih_expander_node_add(ioc, sas_expander); - return 0; - - out_fail: - - if (mpt2sas_port) - mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, - sas_address_parent); - kfree(sas_expander); - return rc; -} - -/** - * _scsih_done - scsih callback handler. - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Callback handler when sending internal generated message frames. - * The callback index passed is `ioc->scsih_cb_idx` - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -static u8 -_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->scsih_cmds.smid != smid) - return 1; - ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - memcpy(ioc->scsih_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; - } - ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->scsih_cmds.done); - return 1; -} - -/** - * mpt2sas_expander_remove - removing expander object - * @ioc: per adapter object - * @sas_address: expander sas_address - * - * Return nothing. - */ -void -mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) -{ - struct _sas_node *sas_expander; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address); - if (sas_expander) - list_del(&sas_expander->list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (sas_expander) - _scsih_expander_node_remove(ioc, sas_expander); -} - -/** - * _scsih_check_access_status - check access flags - * @ioc: per adapter object - * @sas_address: sas address - * @handle: sas device handle - * @access_flags: errors returned during discovery of the device - * - * Return 0 for success, else failure - */ -static u8 -_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 handle, u8 access_status) -{ - u8 rc = 1; - char *desc = NULL; - - switch (access_status) { - case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: - case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: - rc = 0; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: - desc = "sata capability failed"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: - desc = "sata affiliation conflict"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: - desc = "route not addressable"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: - desc = "smp error not addressable"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: - desc = "device blocked"; - break; - case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: - case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: - desc = "sata initialization failed"; - break; - default: - desc = "unknown"; - break; - } - - if (!rc) - return 0; - - printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " - "handle(0x%04x)\n", ioc->name, desc, - (unsigned long long)sas_address, handle); - return rc; -} - -static void -_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - struct _sas_device *sas_device; - u32 ioc_status; - unsigned long flags; - u64 sas_address; - struct scsi_target *starget; - struct MPT2SAS_TARGET *sas_target_priv_data; - u32 device_info; - - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) - return; - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - return; - - /* check if this is end device */ - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (!sas_device) { - printk(MPT2SAS_ERR_FMT "device is not present " - "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); - goto out_unlock; - } - - if (unlikely(sas_device->handle != handle)) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" - " to (0x%04x)!!!\n", sas_device->handle, handle); - sas_target_priv_data->handle = handle; - sas_device->handle = handle; - } - - /* check if device is present */ - if (!(le16_to_cpu(sas_device_pg0.Flags) & - MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { - printk(MPT2SAS_ERR_FMT "device is not present " - "handle(0x%04x), flags!!!\n", ioc->name, handle); - goto out_unlock; - } - - /* check if there were any issues with discovery */ - if (_scsih_check_access_status(ioc, sas_address, handle, - sas_device_pg0.AccessStatus)) - goto out_unlock; - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - _scsih_ublock_io_device(ioc, sas_address); - if (sas_device) - sas_device_put(sas_device); - return; - -out_unlock: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) - sas_device_put(sas_device); -} - -/** - * _scsih_add_device - creating sas device object - * @ioc: per adapter object - * @handle: sas device handle - * @phy_num: phy number end device attached to - * @is_pd: is this hidden raid component - * - * Creating end device object, stored in ioc->sas_device_list. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) -{ - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2SasEnclosurePage0_t enclosure_pg0; - struct _sas_device *sas_device; - u32 ioc_status; - __le64 sas_address; - u32 device_info; - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - - /* check if device is present */ - if (!(le16_to_cpu(sas_device_pg0.Flags) & - MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", - ioc->name, le16_to_cpu(sas_device_pg0.Flags)); - return -1; - } - - /* check if there were any issues with discovery */ - if (_scsih_check_access_status(ioc, sas_address, handle, - sas_device_pg0.AccessStatus)) - return -1; - - /* check if this is end device */ - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - sas_device = mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (sas_device) { - sas_device_put(sas_device); - return 0; - } - - sas_device = kzalloc(sizeof(struct _sas_device), - GFP_KERNEL); - if (!sas_device) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - - kref_init(&sas_device->refcount); - sas_device->handle = handle; - if (_scsih_get_sas_address(ioc, le16_to_cpu - (sas_device_pg0.ParentDevHandle), - &sas_device->sas_address_parent) != 0) - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - sas_device->enclosure_handle = - le16_to_cpu(sas_device_pg0.EnclosureHandle); - sas_device->slot = - le16_to_cpu(sas_device_pg0.Slot); - sas_device->device_info = device_info; - sas_device->sas_address = sas_address; - sas_device->phy = sas_device_pg0.PhyNum; - - /* get enclosure_logical_id */ - if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( - ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, - sas_device->enclosure_handle))) - sas_device->enclosure_logical_id = - le64_to_cpu(enclosure_pg0.EnclosureLogicalID); - - /* get device name */ - sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); - - if (ioc->wait_for_discovery_to_complete) - _scsih_sas_device_init_add(ioc, sas_device); - else - _scsih_sas_device_add(ioc, sas_device); - - sas_device_put(sas_device); - return 0; -} - -/** - * _scsih_remove_device - removing sas device object - * @ioc: per adapter object - * @sas_device_delete: the sas_device object - * - * Return nothing. - */ -static void -_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - - if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) && - (sas_device->pfa_led_on)) { - _scsih_turn_off_pfa_led(ioc, sas_device); - sas_device->pfa_led_on = 0; - } - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long) - sas_device->sas_address)); - - if (sas_device->starget && sas_device->starget->hostdata) { - sas_target_priv_data = sas_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - _scsih_ublock_io_device(ioc, sas_device->sas_address); - sas_target_priv_data->handle = - MPT2SAS_INVALID_DEVICE_HANDLE; - } - - if (!ioc->hide_drives) - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" - "(0x%016llx)\n", ioc->name, sas_device->handle, - (unsigned long long) sas_device->sas_address); - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " - "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long) - sas_device->sas_address)); -} -/** - * _scsih_device_remove_by_handle - removing device object by handle - * @ioc: per adapter object - * @handle: device handle - * - * Return nothing. - */ -static void -_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_device) { - _scsih_remove_device(ioc, sas_device); - sas_device_put(sas_device); - } -} - -/** - * mpt2sas_device_remove_by_sas_address - removing device object by sas address - * @ioc: per adapter object - * @sas_address: device sas_address - * - * Return nothing. - */ -void -mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - unsigned long flags; - - if (ioc->shost_recovery) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, sas_address); - if (sas_device) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_device) { - _scsih_remove_device(ioc, sas_device); - sas_device_put(sas_device); - } -} -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_topology_change_event_debug - debug for topology event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - */ -static void -_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasTopologyChangeList_t *event_data) -{ - int i; - u16 handle; - u16 reason_code; - u8 phy_number; - char *status_str = NULL; - u8 link_rate, prev_link_rate; - - switch (event_data->ExpStatus) { - case MPI2_EVENT_SAS_TOPO_ES_ADDED: - status_str = "add"; - break; - case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: - status_str = "remove"; - break; - case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: - case 0: - status_str = "responding"; - break; - case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: - status_str = "remove delay"; - break; - default: - status_str = "unknown status"; - break; - } - printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", - ioc->name, status_str); - printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " - "start_phy(%02d), count(%d)\n", - le16_to_cpu(event_data->ExpanderDevHandle), - le16_to_cpu(event_data->EnclosureHandle), - event_data->StartPhyNum, event_data->NumEntries); - for (i = 0; i < event_data->NumEntries; i++) { - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - phy_number = event_data->StartPhyNum + i; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - switch (reason_code) { - case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: - status_str = "target add"; - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: - status_str = "target remove"; - break; - case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: - status_str = "delay target remove"; - break; - case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: - status_str = "link rate change"; - break; - case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: - status_str = "target responding"; - break; - default: - status_str = "unknown"; - break; - } - link_rate = event_data->PHY[i].LinkRate >> 4; - prev_link_rate = event_data->PHY[i].LinkRate & 0xF; - printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" - " link rate: new(0x%02x), old(0x%02x)\n", phy_number, - handle, status_str, link_rate, prev_link_rate); - - } -} -#endif - -/** - * _scsih_sas_topology_change_event - handle topology changes - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - */ -static void -_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - int i; - u16 parent_handle, handle; - u16 reason_code; - u8 phy_number, max_phys; - struct _sas_node *sas_expander; - u64 sas_address; - unsigned long flags; - u8 link_rate, prev_link_rate; - Mpi2EventDataSasTopologyChangeList_t *event_data = - (Mpi2EventDataSasTopologyChangeList_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_topology_change_event_debug(ioc, event_data); -#endif - - if (ioc->remove_host || ioc->pci_error_recovery) - return; - - if (!ioc->sas_hba.num_phys) - _scsih_sas_host_add(ioc); - else - _scsih_sas_host_refresh(ioc); - - if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " - "event\n", ioc->name)); - return; - } - - parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); - - /* handle expander add */ - if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) - if (_scsih_expander_add(ioc, parent_handle) != 0) - return; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, - parent_handle); - if (sas_expander) { - sas_address = sas_expander->sas_address; - max_phys = sas_expander->num_phys; - } else if (parent_handle < ioc->sas_hba.num_phys) { - sas_address = ioc->sas_hba.sas_address; - max_phys = ioc->sas_hba.num_phys; - } else { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - /* handle siblings events */ - for (i = 0; i < event_data->NumEntries; i++) { - if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " - "expander event\n", ioc->name)); - return; - } - if (ioc->shost_recovery || ioc->remove_host || - ioc->pci_error_recovery) - return; - phy_number = event_data->StartPhyNum + i; - if (phy_number >= max_phys) - continue; - reason_code = event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_RC_MASK; - if ((event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != - MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) - continue; - handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); - if (!handle) - continue; - link_rate = event_data->PHY[i].LinkRate >> 4; - prev_link_rate = event_data->PHY[i].LinkRate & 0xF; - switch (reason_code) { - case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: - - if (ioc->shost_recovery) - break; - - if (link_rate == prev_link_rate) - break; - - mpt2sas_transport_update_links(ioc, sas_address, - handle, phy_number, link_rate); - - if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) - break; - - _scsih_check_device(ioc, handle); - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: - - if (ioc->shost_recovery) - break; - - mpt2sas_transport_update_links(ioc, sas_address, - handle, phy_number, link_rate); - - _scsih_add_device(ioc, handle, phy_number, 0); - break; - case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: - - _scsih_device_remove_by_handle(ioc, handle); - break; - } - } - - /* handle expander removal */ - if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && - sas_expander) - mpt2sas_expander_remove(ioc, sas_address); - -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_device_status_change_event_debug - debug for device event - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasDeviceStatusChange_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->ReasonCode) { - case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: - reason_str = "smart data"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: - reason_str = "unsupported device discovered"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: - reason_str = "internal device reset"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: - reason_str = "internal task abort"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: - reason_str = "internal task abort set"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: - reason_str = "internal clear task set"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: - reason_str = "internal query task"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: - reason_str = "sata init failure"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: - reason_str = "internal device reset complete"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: - reason_str = "internal task abort complete"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: - reason_str = "internal async notification"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: - reason_str = "expander reduced functionality"; - break; - case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: - reason_str = "expander reduced functionality complete"; - break; - default: - reason_str = "unknown reason"; - break; - } - printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" - "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", - ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), - (unsigned long long)le64_to_cpu(event_data->SASAddress), - le16_to_cpu(event_data->TaskTag)); - if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) - printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, - event_data->ASC, event_data->ASCQ); - printk(KERN_INFO "\n"); -} -#endif - -/** - * _scsih_sas_device_status_change_event - handle device status change - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - struct MPT2SAS_TARGET *target_priv_data; - struct _sas_device *sas_device; - u64 sas_address; - unsigned long flags; - Mpi2EventDataSasDeviceStatusChange_t *event_data = - (Mpi2EventDataSasDeviceStatusChange_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_device_status_change_event_debug(ioc, - event_data); -#endif - - /* In MPI Revision K (0xC), the internal device reset complete was - * implemented, so avoid setting tm_busy flag for older firmware. - */ - if ((ioc->facts.HeaderVersion >> 8) < 0xC) - return; - - if (event_data->ReasonCode != - MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && - event_data->ReasonCode != - MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) - return; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_address = le64_to_cpu(event_data->SASAddress); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - - if (!sas_device || !sas_device->starget) - goto out; - - target_priv_data = sas_device->starget->hostdata; - if (!target_priv_data) - goto out; - - if (event_data->ReasonCode == - MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) - target_priv_data->tm_busy = 1; - else - target_priv_data->tm_busy = 0; - -out: - if (sas_device) - sas_device_put(sas_device); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataSasEnclDevStatusChange_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->ReasonCode) { - case MPI2_EVENT_SAS_ENCL_RC_ADDED: - reason_str = "enclosure add"; - break; - case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: - reason_str = "enclosure remove"; - break; - default: - reason_str = "unknown reason"; - break; - } - - printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" - "\thandle(0x%04x), enclosure logical id(0x%016llx)" - " number slots(%d)\n", ioc->name, reason_str, - le16_to_cpu(event_data->EnclosureHandle), - (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), - le16_to_cpu(event_data->StartSlot)); -} -#endif - -/** - * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - _scsih_sas_enclosure_dev_status_change_event_debug(ioc, - (Mpi2EventDataSasEnclDevStatusChange_t *) - fw_event->event_data); -#endif -} - -/** - * _scsih_sas_broadcast_primitive_event - handle broadcast events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - struct scsi_cmnd *scmd; - struct scsi_device *sdev; - u16 smid, handle; - u32 lun; - struct MPT2SAS_DEVICE *sas_device_priv_data; - u32 termination_count; - u32 query_count; - Mpi2SCSITaskManagementReply_t *mpi_reply; - Mpi2EventDataSasBroadcastPrimitive_t *event_data = - (Mpi2EventDataSasBroadcastPrimitive_t *) - fw_event->event_data; - u16 ioc_status; - unsigned long flags; - int r; - u8 max_retries = 0; - u8 task_abort_retries; - - mutex_lock(&ioc->tm_cmds.mutex); - pr_info(MPT2SAS_FMT - "%s: enter: phy number(%d), width(%d)\n", - ioc->name, __func__, event_data->PhyNum, - event_data->PortWidth); - - _scsih_block_io_all_device(ioc); - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - mpi_reply = ioc->tm_cmds.reply; -broadcast_aen_retry: - - /* sanity checks for retrying this loop */ - if (max_retries++ == 5) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n", - ioc->name, __func__)); - goto out; - } else if (max_retries > 1) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n", - ioc->name, __func__, max_retries - 1)); - - termination_count = 0; - query_count = 0; - for (smid = 1; smid <= ioc->scsiio_depth; smid++) { - if (ioc->shost_recovery) - goto out; - scmd = _scsih_scsi_lookup_get(ioc, smid); - if (!scmd) - continue; - sdev = scmd->device; - sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) - continue; - /* skip hidden raid components */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) - continue; - /* skip volumes */ - if (sas_device_priv_data->sas_target->flags & - MPT_TARGET_FLAGS_VOLUME) - continue; - - handle = sas_device_priv_data->sas_target->handle; - lun = sas_device_priv_data->lun; - query_count++; - - if (ioc->shost_recovery) - goto out; - - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, - MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, - TM_MUTEX_OFF); - if (r == FAILED) { - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: FAILED when sending " - "QUERY_TASK: scmd(%p)\n", scmd); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) - & MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - sdev_printk(KERN_WARNING, sdev, "query task: FAILED " - "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status, - scmd); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - - /* see if IO is still owned by IOC and target */ - if (mpi_reply->ResponseCode == - MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || - mpi_reply->ResponseCode == - MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - continue; - } - task_abort_retries = 0; - tm_retry: - if (task_abort_retries++ == 60) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: ABORT_TASK: giving up\n", ioc->name, - __func__)); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - goto broadcast_aen_retry; - } - - if (ioc->shost_recovery) - goto out_no_lock; - - r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, - sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, - TM_MUTEX_OFF); - if (r == FAILED) { - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : " - "scmd(%p)\n", scmd); - goto tm_retry; - } - - if (task_abort_retries > 1) - sdev_printk(KERN_WARNING, sdev, - "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" - " scmd(%p)\n", - task_abort_retries - 1, scmd); - - termination_count += le32_to_cpu(mpi_reply->TerminationCount); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - } - - if (ioc->broadcast_aen_pending) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to" - " pending AEN\n", ioc->name, __func__)); - ioc->broadcast_aen_pending = 0; - goto broadcast_aen_retry; - } - - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - out_no_lock: - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s - exit, query_count = %d termination_count = %d\n", - ioc->name, __func__, query_count, termination_count)); - - ioc->broadcast_aen_busy = 0; - if (!ioc->shost_recovery) - _scsih_ublock_io_all_device(ioc); - mutex_unlock(&ioc->tm_cmds.mutex); -} - -/** - * _scsih_sas_discovery_event - handle discovery events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventDataSasDiscovery_t *event_data = - (Mpi2EventDataSasDiscovery_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { - printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, - (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? - "start" : "stop"); - if (event_data->DiscoveryStatus) - printk("discovery_status(0x%08x)", - le32_to_cpu(event_data->DiscoveryStatus)); - printk("\n"); - } -#endif - - if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && - !ioc->sas_hba.num_phys) { - if (disable_discovery > 0 && ioc->shost_recovery) { - /* Wait for the reset to complete */ - while (ioc->shost_recovery) - ssleep(1); - } - _scsih_sas_host_add(ioc); - } -} - -/** - * _scsih_reprobe_lun - reprobing lun - * @sdev: scsi device struct - * @no_uld_attach: sdev->no_uld_attach flag setting - * - **/ -static void -_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) -{ - int rc; - - sdev->no_uld_attach = no_uld_attach ? 1 : 0; - sdev_printk(KERN_INFO, sdev, "%s raid component\n", - sdev->no_uld_attach ? "hidding" : "exposing"); - rc = scsi_device_reprobe(sdev); -} - -/** - * _scsih_sas_volume_add - add new volume - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _raid_device *raid_device; - unsigned long flags; - u64 wwid; - u16 handle = le16_to_cpu(element->VolDevHandle); - int rc; - - mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); - if (!wwid) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (raid_device) - return; - - raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); - if (!raid_device) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return; - } - - raid_device->id = ioc->sas_id++; - raid_device->channel = RAID_CHANNEL; - raid_device->handle = handle; - raid_device->wwid = wwid; - _scsih_raid_device_add(ioc, raid_device); - if (!ioc->wait_for_discovery_to_complete) { - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } else { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - _scsih_determine_boot_device(ioc, raid_device, 1); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } -} - -/** - * _scsih_sas_volume_delete - delete volume - * @ioc: per adapter object - * @handle: volume device handle - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device; - unsigned long flags; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget = NULL; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) { - if (raid_device->starget) { - starget = raid_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->deleted = 1; - } - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" - "(0x%016llx)\n", ioc->name, raid_device->handle, - (unsigned long long) raid_device->wwid); - list_del(&raid_device->list); - kfree(raid_device); - } - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (starget) - scsi_remove_target(&starget->dev); -} - -/** - * _scsih_sas_pd_expose - expose pd component to /dev/sdX - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - struct scsi_target *starget = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device->volume_handle = 0; - sas_device->volume_wwid = 0; - clear_bit(handle, ioc->pd_handles); - if (sas_device->starget && sas_device->starget->hostdata) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->flags &= - ~MPT_TARGET_FLAGS_RAID_COMPONENT; - } - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - return; - - /* exposing raid component */ - if (starget) - starget_for_each_device(starget, NULL, _scsih_reprobe_lun); - - sas_device_put(sas_device); -} - -/** - * _scsih_sas_pd_hide - hide pd component from /dev/sdX - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - struct scsi_target *starget = NULL; - struct MPT2SAS_TARGET *sas_target_priv_data; - unsigned long flags; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - u16 volume_handle = 0; - u64 volume_wwid = 0; - - mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle); - if (volume_handle) - mpt2sas_config_get_volume_wwid(ioc, volume_handle, - &volume_wwid); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - set_bit(handle, ioc->pd_handles); - if (sas_device->starget && sas_device->starget->hostdata) { - starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->flags |= - MPT_TARGET_FLAGS_RAID_COMPONENT; - sas_device->volume_handle = volume_handle; - sas_device->volume_wwid = volume_wwid; - } - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - return; - - /* hiding raid component */ - if (starget) - starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); - - sas_device_put(sas_device); -} - -/** - * _scsih_sas_pd_delete - delete pd component - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - - _scsih_device_remove_by_handle(ioc, handle); -} - -/** - * _scsih_sas_pd_add - remove pd component - * @ioc: per adapter object - * @element: IR config element data - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) -{ - struct _sas_device *sas_device; - u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - u64 sas_address; - u16 parent_handle; - - set_bit(handle, ioc->pd_handles); - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - return; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - - _scsih_add_device(ioc, handle, 0, 1); -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrConfigChangeList_t *event_data) -{ - Mpi2EventIrConfigElement_t *element; - u8 element_type; - int i; - char *reason_str = NULL, *element_str = NULL; - - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - - printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", - ioc->name, (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? - "foreign" : "native", event_data->NumElements); - for (i = 0; i < event_data->NumElements; i++, element++) { - switch (element->ReasonCode) { - case MPI2_EVENT_IR_CHANGE_RC_ADDED: - reason_str = "add"; - break; - case MPI2_EVENT_IR_CHANGE_RC_REMOVED: - reason_str = "remove"; - break; - case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: - reason_str = "no change"; - break; - case MPI2_EVENT_IR_CHANGE_RC_HIDE: - reason_str = "hide"; - break; - case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - reason_str = "unhide"; - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: - reason_str = "volume_created"; - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: - reason_str = "volume_deleted"; - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - reason_str = "pd_created"; - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - reason_str = "pd_deleted"; - break; - default: - reason_str = "unknown reason"; - break; - } - element_type = le16_to_cpu(element->ElementFlags) & - MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; - switch (element_type) { - case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: - element_str = "volume"; - break; - case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: - element_str = "phys disk"; - break; - case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: - element_str = "hot spare"; - break; - default: - element_str = "unknown element"; - break; - } - printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " - "pd handle(0x%04x), pd num(0x%02x)\n", element_str, - reason_str, le16_to_cpu(element->VolDevHandle), - le16_to_cpu(element->PhysDiskDevHandle), - element->PhysDiskNum); - } -} -#endif - -/** - * _scsih_sas_ir_config_change_event - handle ir configuration change events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventIrConfigElement_t *element; - int i; - u8 foreign_config; - Mpi2EventDataIrConfigChangeList_t *event_data = - (Mpi2EventDataIrConfigChangeList_t *) - fw_event->event_data; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - && !ioc->hide_ir_msg) - _scsih_sas_ir_config_change_event_debug(ioc, event_data); - -#endif - - if (ioc->shost_recovery) - return; - - foreign_config = (le32_to_cpu(event_data->Flags) & - MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; - - element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - for (i = 0; i < event_data->NumElements; i++, element++) { - - switch (element->ReasonCode) { - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: - case MPI2_EVENT_IR_CHANGE_RC_ADDED: - if (!foreign_config) - _scsih_sas_volume_add(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: - case MPI2_EVENT_IR_CHANGE_RC_REMOVED: - if (!foreign_config) - _scsih_sas_volume_delete(ioc, - le16_to_cpu(element->VolDevHandle)); - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - if (!ioc->is_warpdrive) - _scsih_sas_pd_hide(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - if (!ioc->is_warpdrive) - _scsih_sas_pd_expose(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_HIDE: - if (!ioc->is_warpdrive) - _scsih_sas_pd_add(ioc, element); - break; - case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - if (!ioc->is_warpdrive) - _scsih_sas_pd_delete(ioc, element); - break; - } - } -} - -/** - * _scsih_sas_ir_volume_event - IR volume event - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - u64 wwid; - unsigned long flags; - struct _raid_device *raid_device; - u16 handle; - u32 state; - int rc; - Mpi2EventDataIrVolume_t *event_data = - (Mpi2EventDataIrVolume_t *) - fw_event->event_data; - - if (ioc->shost_recovery) - return; - - if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) - return; - - handle = le16_to_cpu(event_data->VolDevHandle); - state = le32_to_cpu(event_data->NewValue); - if (!ioc->hide_ir_msg) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - switch (state) { - case MPI2_RAID_VOL_STATE_MISSING: - case MPI2_RAID_VOL_STATE_FAILED: - _scsih_sas_volume_delete(ioc, handle); - break; - - case MPI2_RAID_VOL_STATE_ONLINE: - case MPI2_RAID_VOL_STATE_DEGRADED: - case MPI2_RAID_VOL_STATE_OPTIMAL: - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - - if (raid_device) - break; - - mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); - if (!wwid) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - break; - } - - raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); - if (!raid_device) { - printk(MPT2SAS_ERR_FMT - "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - break; - } - - raid_device->id = ioc->sas_id++; - raid_device->channel = RAID_CHANNEL; - raid_device->handle = handle; - raid_device->wwid = wwid; - _scsih_raid_device_add(ioc, raid_device); - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - break; - - case MPI2_RAID_VOL_STATE_INITIALIZING: - default: - break; - } -} - -/** - * _scsih_sas_ir_physical_disk_event - PD event - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - u16 handle, parent_handle; - u32 state; - struct _sas_device *sas_device; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasDevicePage0_t sas_device_pg0; - u32 ioc_status; - Mpi2EventDataIrPhysicalDisk_t *event_data = - (Mpi2EventDataIrPhysicalDisk_t *) - fw_event->event_data; - u64 sas_address; - - if (ioc->shost_recovery) - return; - - if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) - return; - - handle = le16_to_cpu(event_data->PhysDiskDevHandle); - state = le32_to_cpu(event_data->NewValue); - - if (!ioc->hide_ir_msg) - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - switch (state) { - case MPI2_RAID_PD_STATE_ONLINE: - case MPI2_RAID_PD_STATE_DEGRADED: - case MPI2_RAID_PD_STATE_REBUILDING: - case MPI2_RAID_PD_STATE_OPTIMAL: - case MPI2_RAID_PD_STATE_HOT_SPARE: - - if (!ioc->is_warpdrive) - set_bit(handle, ioc->pd_handles); - - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - return; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - - _scsih_add_device(ioc, handle, 0, 1); - - break; - - case MPI2_RAID_PD_STATE_OFFLINE: - case MPI2_RAID_PD_STATE_NOT_CONFIGURED: - case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: - default: - break; - } -} - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING -/** - * _scsih_sas_ir_operation_status_event_debug - debug for IR op event - * @ioc: per adapter object - * @event_data: event data payload - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrOperationStatus_t *event_data) -{ - char *reason_str = NULL; - - switch (event_data->RAIDOperation) { - case MPI2_EVENT_IR_RAIDOP_RESYNC: - reason_str = "resync"; - break; - case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: - reason_str = "online capacity expansion"; - break; - case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: - reason_str = "consistency check"; - break; - case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: - reason_str = "background init"; - break; - case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: - reason_str = "make data consistent"; - break; - } - - if (!reason_str) - return; - - printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" - "\thandle(0x%04x), percent complete(%d)\n", - ioc->name, reason_str, - le16_to_cpu(event_data->VolDevHandle), - event_data->PercentComplete); -} -#endif - -/** - * _scsih_sas_ir_operation_status_event - handle RAID operation events - * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, - struct fw_event_work *fw_event) -{ - Mpi2EventDataIrOperationStatus_t *event_data = - (Mpi2EventDataIrOperationStatus_t *) - fw_event->event_data; - static struct _raid_device *raid_device; - unsigned long flags; - u16 handle; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) - && !ioc->hide_ir_msg) - _scsih_sas_ir_operation_status_event_debug(ioc, - event_data); -#endif - - /* code added for raid transport support */ - if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - handle = le16_to_cpu(event_data->VolDevHandle); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - if (raid_device) - raid_device->percent_complete = - event_data->PercentComplete; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } -} - -/** - * _scsih_prep_device_scan - initialize parameters prior to device scan - * @ioc: per adapter object - * - * Set the deleted flag prior to device scan. If the device is found during - * the scan, then we clear the deleted flag. - */ -static void -_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) -{ - struct MPT2SAS_DEVICE *sas_device_priv_data; - struct scsi_device *sdev; - - shost_for_each_device(sdev, ioc->shost) { - sas_device_priv_data = sdev->hostdata; - if (sas_device_priv_data && sas_device_priv_data->sas_target) - sas_device_priv_data->sas_target->deleted = 1; - } -} - -/** - * _scsih_mark_responding_sas_device - mark a sas_devices as responding - * @ioc: per adapter object - * @sas_address: sas address - * @slot: enclosure slot id - * @handle: device handle - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_sas_devices. - * - * Return nothing. - */ -static void -_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 slot, u16 handle) -{ - struct MPT2SAS_TARGET *sas_target_priv_data = NULL; - struct scsi_target *starget; - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->sas_address == sas_address && - sas_device->slot == slot) { - sas_device->responding = 1; - starget = sas_device->starget; - if (starget && starget->hostdata) { - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->tm_busy = 0; - sas_target_priv_data->deleted = 0; - } else - sas_target_priv_data = NULL; - if (starget) - starget_printk(KERN_INFO, starget, - "handle(0x%04x), sas_addr(0x%016llx), " - "enclosure logical id(0x%016llx), " - "slot(%d)\n", handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long) - sas_device->enclosure_logical_id, - sas_device->slot); - if (sas_device->handle == handle) - goto out; - printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", - sas_device->handle); - sas_device->handle = handle; - if (sas_target_priv_data) - sas_target_priv_data->handle = handle; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_search_responding_sas_devices - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - __le64 sas_address; - u16 handle; - u32 device_info; - u16 slot; - - printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name); - - if (list_empty(&ioc->sas_device_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, - handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - handle = le16_to_cpu(sas_device_pg0.DevHandle); - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - if (!(_scsih_is_end_device(device_info))) - continue; - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - slot = le16_to_cpu(sas_device_pg0.Slot); - _scsih_mark_responding_sas_device(ioc, sas_address, slot, - handle); - } -out: - printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n", - ioc->name); -} - -/** - * _scsih_mark_responding_raid_device - mark a raid_device as responding - * @ioc: per adapter object - * @wwid: world wide identifier for raid volume - * @handle: device handle - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_raid_devices. - * - * Return nothing. - */ -static void -_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, - u16 handle) -{ - struct MPT2SAS_TARGET *sas_target_priv_data; - struct scsi_target *starget; - struct _raid_device *raid_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->wwid == wwid && raid_device->starget) { - starget = raid_device->starget; - if (starget && starget->hostdata) { - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->deleted = 0; - } else - sas_target_priv_data = NULL; - raid_device->responding = 1; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - starget_printk(KERN_INFO, raid_device->starget, - "handle(0x%04x), wwid(0x%016llx)\n", handle, - (unsigned long long)raid_device->wwid); - /* - * WARPDRIVE: The handles of the PDs might have changed - * across the host reset so re-initialize the - * required data for Direct IO - */ - _scsih_init_warpdrive_properties(ioc, raid_device); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - if (raid_device->handle == handle) { - spin_unlock_irqrestore(&ioc->raid_device_lock, - flags); - return; - } - printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", - raid_device->handle); - raid_device->handle = handle; - if (sas_target_priv_data) - sas_target_priv_data->handle = handle; - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - return; - } - } - - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_search_responding_raid_devices - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidVolPage1_t volume_pg1; - Mpi2RaidVolPage0_t volume_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u16 handle; - u8 phys_disk_num; - - if (!ioc->ir_firmware) - return; - - printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n", - ioc->name); - - if (list_empty(&ioc->raid_device_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - handle = le16_to_cpu(volume_pg1.DevHandle); - - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, - &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) - continue; - - if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) - _scsih_mark_responding_raid_device(ioc, - le64_to_cpu(volume_pg1.WWID), handle); - } - - /* refresh the pd_handles */ - if (!ioc->is_warpdrive) { - phys_disk_num = 0xFF; - memset(ioc->pd_handles, 0, ioc->pd_handles_sz); - while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, - phys_disk_num))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - phys_disk_num = pd_pg0.PhysDiskNum; - handle = le16_to_cpu(pd_pg0.DevHandle); - set_bit(handle, ioc->pd_handles); - } - } -out: - printk(MPT2SAS_INFO_FMT "search for responding raid volumes: " - "complete\n", ioc->name); -} - -/** - * _scsih_mark_responding_expander - mark a expander as responding - * @ioc: per adapter object - * @sas_address: sas address - * @handle: - * - * After host reset, find out whether devices are still responding. - * Used in _scsi_remove_unresponsive_expanders. - * - * Return nothing. - */ -static void -_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u16 handle) -{ - struct _sas_node *sas_expander; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->sas_address != sas_address) - continue; - sas_expander->responding = 1; - if (sas_expander->handle == handle) - goto out; - printk(KERN_INFO "\texpander(0x%016llx): handle changed" - " from(0x%04x) to (0x%04x)!!!\n", - (unsigned long long)sas_expander->sas_address, - sas_expander->handle, handle); - sas_expander->handle = handle; - for (i = 0 ; i < sas_expander->num_phys ; i++) - sas_expander->phy[i].handle = handle; - goto out; - } - out: - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); -} - -/** - * _scsih_search_responding_expanders - - * @ioc: per adapter object - * - * After host reset, find out whether devices are still responding. - * If not remove. - * - * Return nothing. - */ -static void -_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ExpanderPage0_t expander_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u64 sas_address; - u16 handle; - - printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name); - - if (list_empty(&ioc->sas_expander_list)) - goto out; - - handle = 0xFFFF; - while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) - break; - - handle = le16_to_cpu(expander_pg0.DevHandle); - sas_address = le64_to_cpu(expander_pg0.SASAddress); - printk(KERN_INFO "\texpander present: handle(0x%04x), " - "sas_addr(0x%016llx)\n", handle, - (unsigned long long)sas_address); - _scsih_mark_responding_expander(ioc, sas_address, handle); - } - - out: - printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name); -} - -/** - * _scsih_remove_unresponding_sas_devices - removing unresponding devices - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device, *sas_device_next; - struct _sas_node *sas_expander, *sas_expander_next; - struct _raid_device *raid_device, *raid_device_next; - struct list_head tmp_list; - unsigned long flags; - LIST_HEAD(head); - - printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n", - ioc->name); - - /* removing unresponding end devices */ - printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n", - ioc->name); - - /* - * Iterate, pulling off devices marked as non-responding. We become the - * owner for the reference the list had on any object we prune. - */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_for_each_entry_safe(sas_device, sas_device_next, - &ioc->sas_device_list, list) { - if (!sas_device->responding) - list_move_tail(&sas_device->list, &head); - else - sas_device->responding = 0; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - /* - * Now, uninitialize and remove the unresponding devices we pruned. - */ - list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { - _scsih_remove_device(ioc, sas_device); - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - - /* removing unresponding volumes */ - if (ioc->ir_firmware) { - printk(MPT2SAS_INFO_FMT "removing unresponding devices: " - "volumes\n", ioc->name); - list_for_each_entry_safe(raid_device, raid_device_next, - &ioc->raid_device_list, list) { - if (!raid_device->responding) - _scsih_sas_volume_delete(ioc, - raid_device->handle); - else - raid_device->responding = 0; - } - } - /* removing unresponding expanders */ - printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n", - ioc->name); - spin_lock_irqsave(&ioc->sas_node_lock, flags); - INIT_LIST_HEAD(&tmp_list); - list_for_each_entry_safe(sas_expander, sas_expander_next, - &ioc->sas_expander_list, list) { - if (!sas_expander->responding) - list_move_tail(&sas_expander->list, &tmp_list); - else - sas_expander->responding = 0; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, - list) { - list_del(&sas_expander->list); - _scsih_expander_node_remove(ioc, sas_expander); - } - printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n", - ioc->name); - /* unblock devices */ - _scsih_ublock_io_all_device(ioc); -} - -static void -_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander, u16 handle) -{ - Mpi2ExpanderPage1_t expander_pg1; - Mpi2ConfigReply_t mpi_reply; - int i; - - for (i = 0 ; i < sas_expander->num_phys ; i++) { - if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, - &expander_pg1, i, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - mpt2sas_transport_update_links(ioc, sas_expander->sas_address, - le16_to_cpu(expander_pg1.AttachedDevHandle), i, - expander_pg1.NegotiatedLinkRate >> 4); - } -} - -/** - * _scsih_scan_for_devices_after_reset - scan for devices after host reset - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2ExpanderPage0_t expander_pg0; - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2RaidVolPage1_t volume_pg1; - Mpi2RaidVolPage0_t volume_pg0; - Mpi2RaidPhysDiskPage0_t pd_pg0; - Mpi2EventIrConfigElement_t element; - Mpi2ConfigReply_t mpi_reply; - u8 phys_disk_num; - u16 ioc_status; - u16 handle, parent_handle; - u64 sas_address; - struct _sas_device *sas_device; - struct _sas_node *expander_device; - static struct _raid_device *raid_device; - u8 retry_count; - unsigned long flags; - - printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name); - - _scsih_sas_host_refresh(ioc); - - printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n", - ioc->name); - /* expanders */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, - MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(expander_pg0.DevHandle); - spin_lock_irqsave(&ioc->sas_node_lock, flags); - expander_device = mpt2sas_scsih_expander_find_by_sas_address( - ioc, le64_to_cpu(expander_pg0.SASAddress)); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (expander_device) - _scsih_refresh_expander_links(ioc, expander_device, - handle); - else { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(expander_pg0.SASAddress)); - _scsih_expander_add(ioc, handle); - printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(expander_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n", - ioc->name); - - if (!ioc->ir_firmware) - goto skip_to_sas; - - printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name); - /* phys disk */ - phys_disk_num = 0xFF; - while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, - &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, - phys_disk_num))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:" - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - phys_disk_num = pd_pg0.PhysDiskNum; - handle = le16_to_cpu(pd_pg0.DevHandle); - sas_device = mpt2sas_get_sdev_by_handle(ioc, handle); - if (sas_device) { - sas_device_put(sas_device); - continue; - } - if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, - handle) != 0) - continue; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, - &sas_address)) { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: " - " handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - mpt2sas_transport_update_links(ioc, sas_address, - handle, sas_device_pg0.PhyNum, - MPI2_SAS_NEG_LINK_RATE_1_5); - set_bit(handle, ioc->pd_handles); - retry_count = 0; - /* This will retry adding the end device. - * _scsih_add_device() will decide on retries and - * return "1" when it should be retried - */ - while (_scsih_add_device(ioc, handle, retry_count++, - 1)) { - ssleep(1); - } - printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: " - " handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n", - ioc->name); - - printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name); - /* volumes */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, - &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(volume_pg1.DevHandle); - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_wwid(ioc, - le64_to_cpu(volume_pg1.WWID)); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (raid_device) - continue; - if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, - &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, - sizeof(Mpi2RaidVolPage0_t))) - continue; - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || - volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { - memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); - element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; - element.VolDevHandle = volume_pg1.DevHandle; - printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: " - " handle (0x%04x)\n", ioc->name, - volume_pg1.DevHandle); - _scsih_sas_volume_add(ioc, &element); - printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: " - " handle (0x%04x)\n", ioc->name, - volume_pg1.DevHandle); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n", - ioc->name); - - skip_to_sas: - - printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n", - ioc->name); - /* sas devices */ - handle = 0xFFFF; - while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, - &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, - handle))) { - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:" - " ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, ioc_status, - le32_to_cpu(mpi_reply.IOCLogInfo)); - break; - } - handle = le16_to_cpu(sas_device_pg0.DevHandle); - if (!(_scsih_is_end_device( - le32_to_cpu(sas_device_pg0.DeviceInfo)))) - continue; - sas_device = mpt2sas_get_sdev_by_addr(ioc, - le64_to_cpu(sas_device_pg0.SASAddress)); - if (sas_device) { - sas_device_put(sas_device); - continue; - } - parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); - if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { - printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - mpt2sas_transport_update_links(ioc, sas_address, handle, - sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); - retry_count = 0; - /* This will retry adding the end device. - * _scsih_add_device() will decide on retries and - * return "1" when it should be retried - */ - while (_scsih_add_device(ioc, handle, retry_count++, - 0)) { - ssleep(1); - } - printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: " - "handle (0x%04x), sas_addr(0x%016llx)\n", - ioc->name, handle, (unsigned long long) - le64_to_cpu(sas_device_pg0.SASAddress)); - } - } - - printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n", - ioc->name); - - printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name); -} - - -/** - * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) - * @ioc: per adapter object - * @reset_phase: phase - * - * The handler for doing any required cleanup or initialization. - * - * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, - * MPT2_IOC_DONE_RESET - * - * Return nothing. - */ -void -mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - switch (reset_phase) { - case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - break; - case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { - ioc->scsih_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); - complete(&ioc->scsih_cmds.done); - } - if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { - ioc->tm_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); - complete(&ioc->tm_cmds.done); - } - _scsih_fw_event_cleanup_queue(ioc); - _scsih_flush_running_cmds(ioc); - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - _scsih_sas_host_refresh(ioc); - _scsih_prep_device_scan(ioc); - _scsih_search_responding_sas_devices(ioc); - _scsih_search_responding_raid_devices(ioc); - _scsih_search_responding_expanders(ioc); - if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && - !ioc->sas_hba.num_phys)) { - _scsih_prep_device_scan(ioc); - _scsih_search_responding_sas_devices(ioc); - _scsih_search_responding_raid_devices(ioc); - _scsih_search_responding_expanders(ioc); - _scsih_error_recovery_delete_devices(ioc); - } - break; - } -} - -/** - * _firmware_event_work - delayed task for processing firmware events - * @ioc: per adapter object - * @work: equal to the fw_event_work object - * Context: user. - * - * Return nothing. - */ -static void -_firmware_event_work(struct work_struct *work) -{ - struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, delayed_work.work); - struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; - - _scsih_fw_event_del_from_list(ioc, fw_event); - - /* the queue is being flushed so ignore this event */ - if (ioc->remove_host || ioc->pci_error_recovery) { - fw_event_work_put(fw_event); - return; - } - - switch (fw_event->event) { - case MPT2SAS_REMOVE_UNRESPONDING_DEVICES: - while (scsi_host_in_recovery(ioc->shost) || - ioc->shost_recovery) { - /* - * If we're unloading, bail. Otherwise, this can become - * an infinite loop. - */ - if (ioc->remove_host) - goto out; - - ssleep(1); - } - _scsih_remove_unresponding_sas_devices(ioc); - _scsih_scan_for_devices_after_reset(ioc); - break; - case MPT2SAS_PORT_ENABLE_COMPLETE: - ioc->start_scan = 0; - - if (missing_delay[0] != -1 && missing_delay[1] != -1) - mpt2sas_base_update_missing_delay(ioc, missing_delay[0], - missing_delay[1]); - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete " - "from worker thread\n", ioc->name)); - break; - case MPT2SAS_TURN_ON_PFA_LED: - _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); - break; - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - _scsih_sas_topology_change_event(ioc, fw_event); - break; - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - _scsih_sas_device_status_change_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_DISCOVERY: - _scsih_sas_discovery_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - _scsih_sas_broadcast_primitive_event(ioc, - fw_event); - break; - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - _scsih_sas_enclosure_dev_status_change_event(ioc, - fw_event); - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - _scsih_sas_ir_config_change_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_VOLUME: - _scsih_sas_ir_volume_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_PHYSICAL_DISK: - _scsih_sas_ir_physical_disk_event(ioc, fw_event); - break; - case MPI2_EVENT_IR_OPERATION_STATUS: - _scsih_sas_ir_operation_status_event(ioc, fw_event); - break; - } -out: - fw_event_work_put(fw_event); -} - -/** - * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt. - * - * This function merely adds a new work task into ioc->firmware_event_thread. - * The tasks are worked from _firmware_event_work in user context. - * - * Returns void. - */ -void -mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply) -{ - struct fw_event_work *fw_event; - Mpi2EventNotificationReply_t *mpi_reply; - u16 event; - u16 sz; - - /* events turned off due to host reset or driver unloading */ - if (ioc->remove_host || ioc->pci_error_recovery) - return; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - event = le16_to_cpu(mpi_reply->Event); - - switch (event) { - /* handle these */ - case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - { - Mpi2EventDataSasBroadcastPrimitive_t *baen_data = - (Mpi2EventDataSasBroadcastPrimitive_t *) - mpi_reply->EventData; - - if (baen_data->Primitive != - MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) - return; - - if (ioc->broadcast_aen_busy) { - ioc->broadcast_aen_pending++; - return; - } else - ioc->broadcast_aen_busy = 1; - break; - } - - case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: - _scsih_check_topo_delete_events(ioc, - (Mpi2EventDataSasTopologyChangeList_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - _scsih_check_ir_config_unhide_events(ioc, - (Mpi2EventDataIrConfigChangeList_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_IR_VOLUME: - _scsih_check_volume_delete_events(ioc, - (Mpi2EventDataIrVolume_t *) - mpi_reply->EventData); - break; - case MPI2_EVENT_LOG_ENTRY_ADDED: - { - Mpi2EventDataLogEntryAdded_t *log_entry; - __le32 *log_code; - - if (!ioc->is_warpdrive) - break; - - log_entry = (Mpi2EventDataLogEntryAdded_t *) - mpi_reply->EventData; - log_code = (__le32 *)log_entry->LogData; - - if (le16_to_cpu(log_entry->LogEntryQualifier) - != MPT2_WARPDRIVE_LOGENTRY) - break; - - switch (le32_to_cpu(*log_code)) { - case MPT2_WARPDRIVE_LC_SSDT: - printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " - "IO Throttling has occurred in the WarpDrive " - "subsystem. Check WarpDrive documentation for " - "additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_SSDLW: - printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " - "Program/Erase Cycles for the WarpDrive subsystem " - "in degraded range. Check WarpDrive documentation " - "for additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_SSDLF: - printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " - "There are no Program/Erase Cycles for the " - "WarpDrive subsystem. The storage device will be " - "in read-only mode. Check WarpDrive documentation " - "for additional details.\n", ioc->name); - break; - case MPT2_WARPDRIVE_LC_BRMF: - printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " - "The Backup Rail Monitor has failed on the " - "WarpDrive subsystem. Check WarpDrive " - "documentation for additional details.\n", - ioc->name); - break; - } - - break; - } - case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: - case MPI2_EVENT_IR_OPERATION_STATUS: - case MPI2_EVENT_SAS_DISCOVERY: - case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - case MPI2_EVENT_IR_PHYSICAL_DISK: - break; - - case MPI2_EVENT_TEMP_THRESHOLD: - _scsih_temp_threshold_events(ioc, - (Mpi2EventDataTemperature_t *) - mpi_reply->EventData); - break; - - default: /* ignore the rest */ - return; - } - - sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; - fw_event = alloc_fw_event_work(sz); - if (!fw_event) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - memcpy(fw_event->event_data, mpi_reply->EventData, sz); - fw_event->ioc = ioc; - fw_event->VF_ID = mpi_reply->VF_ID; - fw_event->VP_ID = mpi_reply->VP_ID; - fw_event->event = event; - _scsih_fw_event_add(ioc, fw_event); - fw_event_work_put(fw_event); - return; -} - -/* shost template */ -static struct scsi_host_template scsih_driver_template = { - .module = THIS_MODULE, - .name = "Fusion MPT SAS Host", - .proc_name = MPT2SAS_DRIVER_NAME, - .queuecommand = _scsih_qcmd, - .target_alloc = _scsih_target_alloc, - .slave_alloc = _scsih_slave_alloc, - .slave_configure = _scsih_slave_configure, - .target_destroy = _scsih_target_destroy, - .slave_destroy = _scsih_slave_destroy, - .scan_finished = _scsih_scan_finished, - .scan_start = _scsih_scan_start, - .change_queue_depth = _scsih_change_queue_depth, - .eh_abort_handler = _scsih_abort, - .eh_device_reset_handler = _scsih_dev_reset, - .eh_target_reset_handler = _scsih_target_reset, - .eh_host_reset_handler = _scsih_host_reset, - .bios_param = _scsih_bios_param, - .can_queue = 1, - .this_id = -1, - .sg_tablesize = MPT2SAS_SG_DEPTH, - .max_sectors = 32767, - .cmd_per_lun = 7, - .use_clustering = ENABLE_CLUSTERING, - .shost_attrs = mpt2sas_host_attrs, - .sdev_attrs = mpt2sas_dev_attrs, - .track_queue_depth = 1, -}; - -/** - * _scsih_expander_node_remove - removing expander device from list. - * @ioc: per adapter object - * @sas_expander: the sas_device object - * Context: Calling function should acquire ioc->sas_node_lock. - * - * Removing object and freeing associated memory from the - * ioc->sas_expander_list. - * - * Return nothing. - */ -static void -_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - struct _sas_port *mpt2sas_port, *next; - - /* remove sibling ports attached to this expander */ - list_for_each_entry_safe(mpt2sas_port, next, - &sas_expander->sas_port_list, port_list) { - if (ioc->shost_recovery) - return; - if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) - mpt2sas_device_remove_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - else if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) - mpt2sas_expander_remove(ioc, - mpt2sas_port->remote_identify.sas_address); - } - - mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, - sas_expander->sas_address_parent); - - printk(MPT2SAS_INFO_FMT "expander_remove: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, - sas_expander->handle, (unsigned long long) - sas_expander->sas_address); - - kfree(sas_expander->phy); - kfree(sas_expander); -} - -/** - * _scsih_ir_shutdown - IR shutdown notification - * @ioc: per adapter object - * - * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that - * the host system is shutting down. - * - * Return nothing. - */ -static void -_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) -{ - Mpi2RaidActionRequest_t *mpi_request; - Mpi2RaidActionReply_t *mpi_reply; - u16 smid; - - /* is IR firmware build loaded ? */ - if (!ioc->ir_firmware) - return; - - mutex_lock(&ioc->scsih_cmds.mutex); - - if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", - ioc->name, __func__); - goto out; - } - ioc->scsih_cmds.status = MPT2_CMD_PENDING; - - smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - goto out; - } - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->scsih_cmds.smid = smid; - memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); - - mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; - mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; - - if (!ioc->hide_ir_msg) - printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); - init_completion(&ioc->scsih_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); - - if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - goto out; - } - - if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { - mpi_reply = ioc->scsih_cmds.reply; - - if (!ioc->hide_ir_msg) - printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); - } - - out: - ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->scsih_cmds.mutex); -} - -/** - * _scsih_shutdown - routine call during system shutdown - * @pdev: PCI device struct - * - * Return nothing. - */ -static void -_scsih_shutdown(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct workqueue_struct *wq; - unsigned long flags; - - ioc->remove_host = 1; - _scsih_fw_event_cleanup_queue(ioc); - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - wq = ioc->firmware_event_thread; - ioc->firmware_event_thread = NULL; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - if (wq) - destroy_workqueue(wq); - - _scsih_ir_shutdown(ioc); - mpt2sas_base_detach(ioc); -} - -/** - * _scsih_remove - detach and remove add host - * @pdev: PCI device struct - * - * Routine called when unloading the driver. - * Return nothing. - */ -static void -_scsih_remove(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct _sas_port *mpt2sas_port, *next_port; - struct _raid_device *raid_device, *next; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct workqueue_struct *wq; - unsigned long flags; - - ioc->remove_host = 1; - _scsih_fw_event_cleanup_queue(ioc); - - spin_lock_irqsave(&ioc->fw_event_lock, flags); - wq = ioc->firmware_event_thread; - ioc->firmware_event_thread = NULL; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - if (wq) - destroy_workqueue(wq); - - /* release all the volumes */ - _scsih_ir_shutdown(ioc); - list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, - list) { - if (raid_device->starget) { - sas_target_priv_data = - raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - scsi_remove_target(&raid_device->starget->dev); - } - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" - "(0x%016llx)\n", ioc->name, raid_device->handle, - (unsigned long long) raid_device->wwid); - _scsih_raid_device_remove(ioc, raid_device); - } - - /* free ports attached to the sas_host */ - list_for_each_entry_safe(mpt2sas_port, next_port, - &ioc->sas_hba.sas_port_list, port_list) { - if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) - mpt2sas_device_remove_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - else if (mpt2sas_port->remote_identify.device_type == - SAS_EDGE_EXPANDER_DEVICE || - mpt2sas_port->remote_identify.device_type == - SAS_FANOUT_EXPANDER_DEVICE) - mpt2sas_expander_remove(ioc, - mpt2sas_port->remote_identify.sas_address); - } - - /* free phys attached to the sas_host */ - if (ioc->sas_hba.num_phys) { - kfree(ioc->sas_hba.phy); - ioc->sas_hba.phy = NULL; - ioc->sas_hba.num_phys = 0; - } - - sas_remove_host(shost); - scsi_remove_host(shost); - mpt2sas_base_detach(ioc); - spin_lock(&gioc_lock); - list_del(&ioc->list); - spin_unlock(&gioc_lock); - scsi_host_put(shost); -} - -/** - * _scsih_probe_boot_devices - reports 1st device - * @ioc: per adapter object - * - * If specified in bios page 2, this routine reports the 1st - * device scsi-ml or sas transport for persistent boot device - * purposes. Please refer to function _scsih_determine_boot_device() - */ -static void -_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) -{ - u8 is_raid; - void *device; - struct _sas_device *sas_device; - struct _raid_device *raid_device; - u16 handle; - u64 sas_address_parent; - u64 sas_address; - unsigned long flags; - int rc; - - /* no Bios, return immediately */ - if (!ioc->bios_pg3.BiosVersion) - return; - - device = NULL; - is_raid = 0; - if (ioc->req_boot_device.device) { - device = ioc->req_boot_device.device; - is_raid = ioc->req_boot_device.is_raid; - } else if (ioc->req_alt_boot_device.device) { - device = ioc->req_alt_boot_device.device; - is_raid = ioc->req_alt_boot_device.is_raid; - } else if (ioc->current_boot_device.device) { - device = ioc->current_boot_device.device; - is_raid = ioc->current_boot_device.is_raid; - } - - if (!device) - return; - - if (is_raid) { - raid_device = device; - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } else { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = device; - handle = sas_device->handle; - sas_address_parent = sas_device->sas_address_parent; - sas_address = sas_device->sas_address; - list_move_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (ioc->hide_drives) - return; - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_address, - sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - } - } - } -} - -/** - * _scsih_probe_raid - reporting raid volumes to scsi-ml - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) -{ - struct _raid_device *raid_device, *raid_next; - int rc; - - list_for_each_entry_safe(raid_device, raid_next, - &ioc->raid_device_list, list) { - if (raid_device->starget) - continue; - rc = scsi_add_device(ioc->shost, RAID_CHANNEL, - raid_device->id, 0); - if (rc) - _scsih_raid_device_remove(ioc, raid_device); - } -} - -static struct _sas_device *get_next_sas_device(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device = NULL; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - if (!list_empty(&ioc->sas_device_init_list)) { - sas_device = list_first_entry(&ioc->sas_device_init_list, - struct _sas_device, list); - sas_device_get(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -static void sas_device_make_active(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - - /* - * Since we dropped the lock during the call to port_add(), we need to - * be careful here that somebody else didn't move or delete this item - * while we were busy with other things. - * - * If it was on the list, we need a put() for the reference the list - * had. Either way, we need a get() for the destination list. - */ - if (!list_empty(&sas_device->list)) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_list); - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_probe_sas - reporting sas devices to sas transport - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) -{ - struct _sas_device *sas_device; - - if (ioc->hide_drives) - return; - - while ((sas_device = get_next_sas_device(ioc))) { - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - sas_device_put(sas_device); - continue; - } else if (!sas_device->starget) { - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - sas_device_put(sas_device); - continue; - } - } - - sas_device_make_active(ioc, sas_device); - sas_device_put(sas_device); - } -} - -/** - * _scsih_probe_devices - probing for devices - * @ioc: per adapter object - * - * Called during initial loading of the driver. - */ -static void -_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) -{ - u16 volume_mapping_flags; - - if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) - return; /* return when IOC doesn't support initiator mode */ - - _scsih_probe_boot_devices(ioc); - - if (ioc->ir_firmware) { - volume_mapping_flags = - le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & - MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; - if (volume_mapping_flags == - MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { - _scsih_probe_raid(ioc); - _scsih_probe_sas(ioc); - } else { - _scsih_probe_sas(ioc); - _scsih_probe_raid(ioc); - } - } else - _scsih_probe_sas(ioc); -} - - -/** - * _scsih_scan_start - scsi lld callback for .scan_start - * @shost: SCSI host pointer - * - * The shost has the ability to discover targets on its own instead - * of scanning the entire bus. In our implemention, we will kick off - * firmware discovery. - */ -static void -_scsih_scan_start(struct Scsi_Host *shost) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int rc; - - if (diag_buffer_enable != -1 && diag_buffer_enable != 0) - mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); - - if (disable_discovery > 0) - return; - - ioc->start_scan = 1; - rc = mpt2sas_port_enable(ioc); - - if (rc != 0) - printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name); -} - -/** - * _scsih_scan_finished - scsi lld callback for .scan_finished - * @shost: SCSI host pointer - * @time: elapsed time of the scan in jiffies - * - * This function will be called periodically until it returns 1 with the - * scsi_host and the elapsed time of the scan in jiffies. In our implemention, - * we wait for firmware discovery to complete, then return 1. - */ -static int -_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - if (disable_discovery > 0) { - ioc->is_driver_loading = 0; - ioc->wait_for_discovery_to_complete = 0; - return 1; - } - - if (time >= (300 * HZ)) { - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout " - "(timeout=300s)\n", ioc->name); - ioc->is_driver_loading = 0; - return 1; - } - - if (ioc->start_scan) - return 0; - - if (ioc->start_scan_failed) { - printk(MPT2SAS_INFO_FMT "port enable: FAILED with " - "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed); - ioc->is_driver_loading = 0; - ioc->wait_for_discovery_to_complete = 0; - ioc->remove_host = 1; - return 1; - } - - printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name); - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - - if (ioc->wait_for_discovery_to_complete) { - ioc->wait_for_discovery_to_complete = 0; - _scsih_probe_devices(ioc); - } - mpt2sas_base_start_watchdog(ioc); - ioc->is_driver_loading = 0; - return 1; -} - - -/** - * _scsih_probe - attach and add scsi host - * @pdev: PCI device struct - * @id: pci device id - * - * Returns 0 success, anything else error. - */ -static int -_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - struct MPT2SAS_ADAPTER *ioc; - struct Scsi_Host *shost; - int rv; - - shost = scsi_host_alloc(&scsih_driver_template, - sizeof(struct MPT2SAS_ADAPTER)); - if (!shost) - return -ENODEV; - - /* init local params */ - ioc = shost_priv(shost); - memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); - INIT_LIST_HEAD(&ioc->list); - spin_lock(&gioc_lock); - list_add_tail(&ioc->list, &mpt2sas_ioc_list); - spin_unlock(&gioc_lock); - ioc->shost = shost; - ioc->id = mpt_ids++; - sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); - ioc->pdev = pdev; - if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) { - ioc->is_warpdrive = 1; - ioc->hide_ir_msg = 1; - } else - ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; - ioc->scsi_io_cb_idx = scsi_io_cb_idx; - ioc->tm_cb_idx = tm_cb_idx; - ioc->ctl_cb_idx = ctl_cb_idx; - ioc->base_cb_idx = base_cb_idx; - ioc->port_enable_cb_idx = port_enable_cb_idx; - ioc->transport_cb_idx = transport_cb_idx; - ioc->scsih_cb_idx = scsih_cb_idx; - ioc->config_cb_idx = config_cb_idx; - ioc->tm_tr_cb_idx = tm_tr_cb_idx; - ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; - ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; - ioc->logging_level = logging_level; - ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; - /* misc semaphores and spin locks */ - mutex_init(&ioc->reset_in_progress_mutex); - /* initializing pci_access_mutex lock */ - mutex_init(&ioc->pci_access_mutex); - spin_lock_init(&ioc->ioc_reset_in_progress_lock); - spin_lock_init(&ioc->scsi_lookup_lock); - spin_lock_init(&ioc->sas_device_lock); - spin_lock_init(&ioc->sas_node_lock); - spin_lock_init(&ioc->fw_event_lock); - spin_lock_init(&ioc->raid_device_lock); - - INIT_LIST_HEAD(&ioc->sas_device_list); - INIT_LIST_HEAD(&ioc->sas_device_init_list); - INIT_LIST_HEAD(&ioc->sas_expander_list); - INIT_LIST_HEAD(&ioc->fw_event_list); - INIT_LIST_HEAD(&ioc->raid_device_list); - INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); - INIT_LIST_HEAD(&ioc->delayed_tr_list); - INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); - INIT_LIST_HEAD(&ioc->reply_queue_list); - - /* init shost parameters */ - shost->max_cmd_len = 32; - shost->max_lun = max_lun; - shost->transportt = mpt2sas_transport_template; - shost->unique_id = ioc->id; - - if (max_sectors != 0xFFFF) { - if (max_sectors < 64) { - shost->max_sectors = 64; - printk(MPT2SAS_WARN_FMT "Invalid value %d passed " - "for max_sectors, range is 64 to 32767. Assigning " - "value of 64.\n", ioc->name, max_sectors); - } else if (max_sectors > 32767) { - shost->max_sectors = 32767; - printk(MPT2SAS_WARN_FMT "Invalid value %d passed " - "for max_sectors, range is 64 to 8192. Assigning " - "default value of 32767.\n", ioc->name, - max_sectors); - } else { - shost->max_sectors = max_sectors & 0xFFFE; - printk(MPT2SAS_INFO_FMT "The max_sectors value is " - "set to %d\n", ioc->name, shost->max_sectors); - } - } - - /* register EEDP capabilities with SCSI layer */ - if (prot_mask) - scsi_host_set_prot(shost, prot_mask); - else - scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION - | SHOST_DIF_TYPE2_PROTECTION - | SHOST_DIF_TYPE3_PROTECTION); - - scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); - - /* event thread */ - snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), - "fw_event%d", ioc->id); - ioc->firmware_event_thread = create_singlethread_workqueue( - ioc->firmware_event_name); - if (!ioc->firmware_event_thread) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rv = -ENODEV; - goto out_thread_fail; - } - - ioc->is_driver_loading = 1; - if ((mpt2sas_base_attach(ioc))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rv = -ENODEV; - goto out_attach_fail; - } - - if (ioc->is_warpdrive) { - if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) - ioc->hide_drives = 0; - else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) - ioc->hide_drives = 1; - else { - if (_scsih_get_num_volumes(ioc)) - ioc->hide_drives = 1; - else - ioc->hide_drives = 0; - } - } else - ioc->hide_drives = 0; - - rv = scsi_add_host(shost, &pdev->dev); - if (rv) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_add_shost_fail; - } - - scsi_scan_host(shost); - - return 0; - - out_add_shost_fail: - mpt2sas_base_detach(ioc); - out_attach_fail: - destroy_workqueue(ioc->firmware_event_thread); - out_thread_fail: - spin_lock(&gioc_lock); - list_del(&ioc->list); - spin_unlock(&gioc_lock); - scsi_host_put(shost); - return rv; -} - -#ifdef CONFIG_PM -/** - * _scsih_suspend - power management suspend main entry point - * @pdev: PCI device struct - * @state: PM state change to (usually PCI_D3) - * - * Returns 0 success, anything else error. - */ -static int -_scsih_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - pci_power_t device_state; - - mpt2sas_base_stop_watchdog(ioc); - scsi_block_requests(shost); - _scsih_ir_shutdown(ioc); - device_state = pci_choose_state(pdev, state); - printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " - "operating state [D%d]\n", ioc->name, pdev, - pci_name(pdev), device_state); - - mpt2sas_base_free_resources(ioc); - pci_save_state(pdev); - pci_set_power_state(pdev, device_state); - return 0; -} - -/** - * _scsih_resume - power management resume main entry point - * @pdev: PCI device struct - * - * Returns 0 success, anything else error. - */ -static int -_scsih_resume(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - pci_power_t device_state = pdev->current_state; - int r; - - printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " - "operating state [D%d]\n", ioc->name, pdev, - pci_name(pdev), device_state); - - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); - ioc->pdev = pdev; - r = mpt2sas_base_map_resources(ioc); - if (r) - return r; - - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); - scsi_unblock_requests(shost); - mpt2sas_base_start_watchdog(ioc); - return 0; -} -#endif /* CONFIG_PM */ - -/** - * _scsih_pci_error_detected - Called when a PCI error is detected. - * @pdev: PCI device struct - * @state: PCI channel state - * - * Description: Called when a PCI error is detected. - * - * Return value: - * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT - */ -static pci_ers_result_t -_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", - ioc->name, state); - - switch (state) { - case pci_channel_io_normal: - return PCI_ERS_RESULT_CAN_RECOVER; - case pci_channel_io_frozen: - /* Fatal error, prepare for slot reset */ - ioc->pci_error_recovery = 1; - scsi_block_requests(ioc->shost); - mpt2sas_base_stop_watchdog(ioc); - mpt2sas_base_free_resources(ioc); - return PCI_ERS_RESULT_NEED_RESET; - case pci_channel_io_perm_failure: - /* Permanent error, prepare for device removal */ - ioc->pci_error_recovery = 1; - mpt2sas_base_stop_watchdog(ioc); - _scsih_flush_running_cmds(ioc); - return PCI_ERS_RESULT_DISCONNECT; - } - return PCI_ERS_RESULT_NEED_RESET; -} - -/** - * _scsih_pci_slot_reset - Called when PCI slot has been reset. - * @pdev: PCI device struct - * - * Description: This routine is called by the pci error recovery - * code after the PCI slot has been reset, just before we - * should resume normal operations. - */ -static pci_ers_result_t -_scsih_pci_slot_reset(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - int rc; - - printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", - ioc->name); - - ioc->pci_error_recovery = 0; - ioc->pdev = pdev; - pci_restore_state(pdev); - rc = mpt2sas_base_map_resources(ioc); - if (rc) - return PCI_ERS_RESULT_DISCONNECT; - - - rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - - printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, - (rc == 0) ? "success" : "failed"); - - if (!rc) - return PCI_ERS_RESULT_RECOVERED; - else - return PCI_ERS_RESULT_DISCONNECT; -} - -/** - * _scsih_pci_resume() - resume normal ops after PCI reset - * @pdev: pointer to PCI device - * - * Called when the error recovery driver tells us that its - * OK to resume normal operation. Use completion to allow - * halted scsi ops to resume. - */ -static void -_scsih_pci_resume(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); - - pci_cleanup_aer_uncorrect_error_status(pdev); - mpt2sas_base_start_watchdog(ioc); - scsi_unblock_requests(ioc->shost); -} - -/** - * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers - * @pdev: pointer to PCI device - */ -static pci_ers_result_t -_scsih_pci_mmio_enabled(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - - printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", - ioc->name); - - /* TODO - dump whatever for debugging purposes */ - - /* Request a slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -static const struct pci_error_handlers _scsih_err_handler = { - .error_detected = _scsih_pci_error_detected, - .mmio_enabled = _scsih_pci_mmio_enabled, - .slot_reset = _scsih_pci_slot_reset, - .resume = _scsih_pci_resume, -}; - -static struct pci_driver scsih_driver = { - .name = MPT2SAS_DRIVER_NAME, - .id_table = scsih_pci_table, - .probe = _scsih_probe, - .remove = _scsih_remove, - .shutdown = _scsih_shutdown, - .err_handler = &_scsih_err_handler, -#ifdef CONFIG_PM - .suspend = _scsih_suspend, - .resume = _scsih_resume, -#endif -}; - -/* raid transport support */ -static struct raid_function_template mpt2sas_raid_functions = { - .cookie = &scsih_driver_template, - .is_raid = _scsih_is_raid, - .get_resync = _scsih_get_resync, - .get_state = _scsih_get_state, -}; - -/** - * _scsih_init - main entry point for this driver. - * - * Returns 0 success, anything else error. - */ -static int __init -_scsih_init(void) -{ - int error; - - mpt_ids = 0; - printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, - MPT2SAS_DRIVER_VERSION); - - mpt2sas_transport_template = - sas_attach_transport(&mpt2sas_transport_functions); - if (!mpt2sas_transport_template) - return -ENODEV; - /* raid transport support */ - mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); - if (!mpt2sas_raid_template) { - sas_release_transport(mpt2sas_transport_template); - return -ENODEV; - } - - mpt2sas_base_initialize_callback_handler(); - - /* queuecommand callback hander */ - scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); - - /* task management callback handler */ - tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); - - /* base internal commands callback handler */ - base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); - port_enable_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_port_enable_done); - - /* transport internal commands callback handler */ - transport_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_transport_done); - - /* scsih internal commands callback handler */ - scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); - - /* configuration page API internal commands callback handler */ - config_cb_idx = mpt2sas_base_register_callback_handler( - mpt2sas_config_done); - - /* ctl module callback handler */ - ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); - - tm_tr_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_tm_tr_complete); - - tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_tm_volume_tr_complete); - - tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( - _scsih_sas_control_complete); - - mpt2sas_ctl_init(); - - error = pci_register_driver(&scsih_driver); - if (error) { - /* raid transport support */ - raid_class_release(mpt2sas_raid_template); - sas_release_transport(mpt2sas_transport_template); - } - - return error; -} - -/** - * _scsih_exit - exit point for this driver (when it is a module). - * - * Returns 0 success, anything else error. - */ -static void __exit -_scsih_exit(void) -{ - printk(KERN_INFO "mpt2sas version %s unloading\n", - MPT2SAS_DRIVER_VERSION); - - pci_unregister_driver(&scsih_driver); - - mpt2sas_ctl_exit(); - - mpt2sas_base_release_callback_handler(scsi_io_cb_idx); - mpt2sas_base_release_callback_handler(tm_cb_idx); - mpt2sas_base_release_callback_handler(base_cb_idx); - mpt2sas_base_release_callback_handler(port_enable_cb_idx); - mpt2sas_base_release_callback_handler(transport_cb_idx); - mpt2sas_base_release_callback_handler(scsih_cb_idx); - mpt2sas_base_release_callback_handler(config_cb_idx); - mpt2sas_base_release_callback_handler(ctl_cb_idx); - - mpt2sas_base_release_callback_handler(tm_tr_cb_idx); - mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); - mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); - - /* raid transport support */ - raid_class_release(mpt2sas_raid_template); - sas_release_transport(mpt2sas_transport_template); - -} - -module_init(_scsih_init); -module_exit(_scsih_exit); diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c deleted file mode 100644 index af868009395d..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_transport.c +++ /dev/null @@ -1,2173 +0,0 @@ -/* - * SAS Transport Layer for MPT (Message Passing Technology) based controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 Avago Technologies - * (mailto: MPT-FusionLinux.pdl@avagotech.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/slab.h> - -#include <scsi/scsi.h> -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi_host.h> -#include <scsi/scsi_transport_sas.h> -#include <scsi/scsi_dbg.h> - -#include "mpt2sas_base.h" -/** - * _transport_sas_node_find_by_sas_address - sas node search - * @ioc: per adapter object - * @sas_address: sas address of expander or sas host - * Context: Calling function should acquire ioc->sas_node_lock. - * - * Search for either hba phys or expander device based on handle, then returns - * the sas_node object. - */ -static struct _sas_node * -_transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - if (ioc->sas_hba.sas_address == sas_address) - return &ioc->sas_hba; - else - return mpt2sas_scsih_expander_find_by_sas_address(ioc, - sas_address); -} - -/** - * _transport_convert_phy_link_rate - - * @link_rate: link rate returned from mpt firmware - * - * Convert link_rate from mpi fusion into sas_transport form. - */ -static enum sas_linkrate -_transport_convert_phy_link_rate(u8 link_rate) -{ - enum sas_linkrate rc; - - switch (link_rate) { - case MPI2_SAS_NEG_LINK_RATE_1_5: - rc = SAS_LINK_RATE_1_5_GBPS; - break; - case MPI2_SAS_NEG_LINK_RATE_3_0: - rc = SAS_LINK_RATE_3_0_GBPS; - break; - case MPI2_SAS_NEG_LINK_RATE_6_0: - rc = SAS_LINK_RATE_6_0_GBPS; - break; - case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED: - rc = SAS_PHY_DISABLED; - break; - case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED: - rc = SAS_LINK_RATE_FAILED; - break; - case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR: - rc = SAS_SATA_PORT_SELECTOR; - break; - case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS: - rc = SAS_PHY_RESET_IN_PROGRESS; - break; - default: - case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE: - case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE: - rc = SAS_LINK_RATE_UNKNOWN; - break; - } - return rc; -} - -/** - * _transport_set_identify - set identify for phys and end devices - * @ioc: per adapter object - * @handle: device handle - * @identify: sas identify info - * - * Populates sas identify info. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle, - struct sas_identify *identify) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 device_info; - u32 ioc_status; - - if (ioc->shost_recovery || ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return -EFAULT; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - - ioc->name, __FILE__, __LINE__, __func__); - return -ENXIO; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" - "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, - __FILE__, __LINE__, __func__); - return -EIO; - } - - memset(identify, 0, sizeof(struct sas_identify)); - device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); - - /* sas_address */ - identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - - /* phy number of the parent device this device is linked to */ - identify->phy_identifier = sas_device_pg0.PhyNum; - - /* device_type */ - switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { - case MPI2_SAS_DEVICE_INFO_NO_DEVICE: - identify->device_type = SAS_PHY_UNUSED; - break; - case MPI2_SAS_DEVICE_INFO_END_DEVICE: - identify->device_type = SAS_END_DEVICE; - break; - case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: - identify->device_type = SAS_EDGE_EXPANDER_DEVICE; - break; - case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: - identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; - break; - } - - /* initiator_port_protocols */ - if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) - identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; - if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) - identify->initiator_port_protocols |= SAS_PROTOCOL_STP; - if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) - identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; - if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) - identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; - - /* target_port_protocols */ - if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) - identify->target_port_protocols |= SAS_PROTOCOL_SSP; - if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) - identify->target_port_protocols |= SAS_PROTOCOL_STP; - if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) - identify->target_port_protocols |= SAS_PROTOCOL_SMP; - if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - identify->target_port_protocols |= SAS_PROTOCOL_SATA; - - return 0; -} - -/** - * mpt2sas_transport_done - internal transport layer callback handler. - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * - * Callback handler when sending internal generated transport cmds. - * The callback index passed is `ioc->transport_cb_idx` - * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. - */ -u8 -mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->transport_cmds.smid != smid) - return 1; - ioc->transport_cmds.status |= MPT2_CMD_COMPLETE; - if (mpi_reply) { - memcpy(ioc->transport_cmds.reply, mpi_reply, - mpi_reply->MsgLength*4); - ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID; - } - ioc->transport_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->transport_cmds.done); - return 1; -} - -/* report manufacture request structure */ -struct rep_manu_request{ - u8 smp_frame_type; - u8 function; - u8 reserved; - u8 request_length; -}; - -/* report manufacture reply structure */ -struct rep_manu_reply{ - u8 smp_frame_type; /* 0x41 */ - u8 function; /* 0x01 */ - u8 function_result; - u8 response_length; - u16 expander_change_count; - u8 reserved0[2]; - u8 sas_format; - u8 reserved2[3]; - u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; - u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; - u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; - u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; - u16 component_id; - u8 component_revision_id; - u8 reserved3; - u8 vendor_specific[8]; -}; - -/** - * _transport_expander_report_manufacture - obtain SMP report_manufacture - * @ioc: per adapter object - * @sas_address: expander sas address - * @edev: the sas_expander_device object - * - * Fills in the sas_expander_device object when SMP port is created. - * - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address, struct sas_expander_device *edev) -{ - Mpi2SmpPassthroughRequest_t *mpi_request; - Mpi2SmpPassthroughReply_t *mpi_reply; - struct rep_manu_reply *manufacture_reply; - struct rep_manu_request *manufacture_request; - int rc; - u16 smid; - u32 ioc_state; - unsigned long timeleft; - void *psge; - u32 sgl_flags; - u8 issue_reset = 0; - void *data_out = NULL; - dma_addr_t data_out_dma; - u32 sz; - u16 wait_state_count; - - if (ioc->shost_recovery || ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return -EFAULT; - } - - mutex_lock(&ioc->transport_cmds.mutex); - - if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - ioc->transport_cmds.status = MPT2_CMD_PENDING; - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - rc = 0; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->transport_cmds.smid = smid; - - sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); - data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); - - if (!data_out) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - rc = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - - manufacture_request = data_out; - manufacture_request->smp_frame_type = 0x40; - manufacture_request->function = 1; - manufacture_request->reserved = 0; - manufacture_request->request_length = 0; - - memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - mpi_request->SASAddress = cpu_to_le64(sas_address); - mpi_request->RequestDataLength = - cpu_to_le16(sizeof(struct rep_manu_request)); - psge = &mpi_request->SGL; - - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct rep_manu_request), data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct rep_manu_reply), data_out_dma + - sizeof(struct rep_manu_request)); - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " - "send to sas_addr(0x%016llx)\n", ioc->name, - (unsigned long long)sas_address)); - init_completion(&ioc->transport_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, - 10*HZ); - - if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SmpPassthroughRequest_t)/4); - if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " - "complete\n", ioc->name)); - - if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { - u8 *tmp; - - mpi_reply = ioc->transport_cmds.reply; - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "report_manufacture - reply data transfer size(%d)\n", - ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); - - if (le16_to_cpu(mpi_reply->ResponseDataLength) != - sizeof(struct rep_manu_reply)) - goto out; - - manufacture_reply = data_out + sizeof(struct rep_manu_request); - strncpy(edev->vendor_id, manufacture_reply->vendor_id, - SAS_EXPANDER_VENDOR_ID_LEN); - strncpy(edev->product_id, manufacture_reply->product_id, - SAS_EXPANDER_PRODUCT_ID_LEN); - strncpy(edev->product_rev, manufacture_reply->product_rev, - SAS_EXPANDER_PRODUCT_REV_LEN); - edev->level = manufacture_reply->sas_format & 1; - if (edev->level) { - strncpy(edev->component_vendor_id, - manufacture_reply->component_vendor_id, - SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); - tmp = (u8 *)&manufacture_reply->component_id; - edev->component_id = tmp[0] << 8 | tmp[1]; - edev->component_revision_id = - manufacture_reply->component_revision_id; - } - } else - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "report_manufacture - no reply\n", ioc->name)); - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - out: - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - if (data_out) - pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); - - mutex_unlock(&ioc->transport_cmds.mutex); - return rc; -} - -/** - * _transport_delete_port - helper function to removing a port - * @ioc: per adapter object - * @mpt2sas_port: mpt2sas per port object - * - * Returns nothing. - */ -static void -_transport_delete_port(struct MPT2SAS_ADAPTER *ioc, - struct _sas_port *mpt2sas_port) -{ - u64 sas_address = mpt2sas_port->remote_identify.sas_address; - enum sas_device_type device_type = - mpt2sas_port->remote_identify.device_type; - - dev_printk(KERN_INFO, &mpt2sas_port->port->dev, - "remove: sas_addr(0x%016llx)\n", - (unsigned long long) sas_address); - - ioc->logging_level |= MPT_DEBUG_TRANSPORT; - if (device_type == SAS_END_DEVICE) - mpt2sas_device_remove_by_sas_address(ioc, sas_address); - else if (device_type == SAS_EDGE_EXPANDER_DEVICE || - device_type == SAS_FANOUT_EXPANDER_DEVICE) - mpt2sas_expander_remove(ioc, sas_address); - ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; -} - -/** - * _transport_delete_phy - helper function to removing single phy from port - * @ioc: per adapter object - * @mpt2sas_port: mpt2sas per port object - * @mpt2sas_phy: mpt2sas per phy object - * - * Returns nothing. - */ -static void -_transport_delete_phy(struct MPT2SAS_ADAPTER *ioc, - struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy) -{ - u64 sas_address = mpt2sas_port->remote_identify.sas_address; - - dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, - "remove: sas_addr(0x%016llx), phy(%d)\n", - (unsigned long long) sas_address, mpt2sas_phy->phy_id); - - list_del(&mpt2sas_phy->port_siblings); - mpt2sas_port->num_phys--; - sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); - mpt2sas_phy->phy_belongs_to_port = 0; -} - -/** - * _transport_add_phy - helper function to adding single phy to port - * @ioc: per adapter object - * @mpt2sas_port: mpt2sas per port object - * @mpt2sas_phy: mpt2sas per phy object - * - * Returns nothing. - */ -static void -_transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port, - struct _sas_phy *mpt2sas_phy) -{ - u64 sas_address = mpt2sas_port->remote_identify.sas_address; - - dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, - "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) - sas_address, mpt2sas_phy->phy_id); - - list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list); - mpt2sas_port->num_phys++; - sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy); - mpt2sas_phy->phy_belongs_to_port = 1; -} - -/** - * _transport_add_phy_to_an_existing_port - adding new phy to existing port - * @ioc: per adapter object - * @sas_node: sas node object (either expander or sas host) - * @mpt2sas_phy: mpt2sas per phy object - * @sas_address: sas address of device/expander were phy needs to be added to - * - * Returns nothing. - */ -static void -_transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc, -struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address) -{ - struct _sas_port *mpt2sas_port; - struct _sas_phy *phy_srch; - - if (mpt2sas_phy->phy_belongs_to_port == 1) - return; - - list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, - port_list) { - if (mpt2sas_port->remote_identify.sas_address != - sas_address) - continue; - list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, - port_siblings) { - if (phy_srch == mpt2sas_phy) - return; - } - _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy); - return; - } - -} - -/** - * _transport_del_phy_from_an_existing_port - delete phy from existing port - * @ioc: per adapter object - * @sas_node: sas node object (either expander or sas host) - * @mpt2sas_phy: mpt2sas per phy object - * - * Returns nothing. - */ -static void -_transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy) -{ - struct _sas_port *mpt2sas_port, *next; - struct _sas_phy *phy_srch; - - if (mpt2sas_phy->phy_belongs_to_port == 0) - return; - - list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, - port_list) { - list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, - port_siblings) { - if (phy_srch != mpt2sas_phy) - continue; - if (mpt2sas_port->num_phys == 1) - _transport_delete_port(ioc, mpt2sas_port); - else - _transport_delete_phy(ioc, mpt2sas_port, - mpt2sas_phy); - return; - } - } -} - -/** - * _transport_sanity_check - sanity check when adding a new port - * @ioc: per adapter object - * @sas_node: sas node object (either expander or sas host) - * @sas_address: sas address of device being added - * - * See the explanation above from _transport_delete_duplicate_port - */ -static void -_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node, - u64 sas_address) -{ - int i; - - for (i = 0; i < sas_node->num_phys; i++) { - if (sas_node->phy[i].remote_identify.sas_address != sas_address) - continue; - if (sas_node->phy[i].phy_belongs_to_port == 1) - _transport_del_phy_from_an_existing_port(ioc, sas_node, - &sas_node->phy[i]); - } -} - -/** - * mpt2sas_transport_port_add - insert port to the list - * @ioc: per adapter object - * @handle: handle of attached device - * @sas_address: sas address of parent expander or sas host - * Context: This function will acquire ioc->sas_node_lock. - * - * Adding new port object to the sas_node->sas_port_list. - * - * Returns mpt2sas_port. - */ -struct _sas_port * -mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, - u64 sas_address) -{ - struct _sas_phy *mpt2sas_phy, *next; - struct _sas_port *mpt2sas_port; - unsigned long flags; - struct _sas_node *sas_node; - struct sas_rphy *rphy; - int i; - struct sas_port *port; - - mpt2sas_port = kzalloc(sizeof(struct _sas_port), - GFP_KERNEL); - if (!mpt2sas_port) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return NULL; - } - - INIT_LIST_HEAD(&mpt2sas_port->port_list); - INIT_LIST_HEAD(&mpt2sas_port->phy_list); - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - if (!sas_node) { - printk(MPT2SAS_ERR_FMT "%s: Could not find " - "parent sas_address(0x%016llx)!\n", ioc->name, - __func__, (unsigned long long)sas_address); - goto out_fail; - } - - if ((_transport_set_identify(ioc, handle, - &mpt2sas_port->remote_identify))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_fail; - } - - if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_fail; - } - - _transport_sanity_check(ioc, sas_node, - mpt2sas_port->remote_identify.sas_address); - - for (i = 0; i < sas_node->num_phys; i++) { - if (sas_node->phy[i].remote_identify.sas_address != - mpt2sas_port->remote_identify.sas_address) - continue; - list_add_tail(&sas_node->phy[i].port_siblings, - &mpt2sas_port->phy_list); - mpt2sas_port->num_phys++; - } - - if (!mpt2sas_port->num_phys) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_fail; - } - - port = sas_port_alloc_num(sas_node->parent_dev); - if ((sas_port_add(port))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - goto out_fail; - } - - list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list, - port_siblings) { - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)" - ", sas_addr(0x%016llx), phy(%d)\n", handle, - (unsigned long long) - mpt2sas_port->remote_identify.sas_address, - mpt2sas_phy->phy_id); - sas_port_add_phy(port, mpt2sas_phy->phy); - mpt2sas_phy->phy_belongs_to_port = 1; - } - - mpt2sas_port->port = port; - if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) - rphy = sas_end_device_alloc(port); - else - rphy = sas_expander_alloc(port, - mpt2sas_port->remote_identify.device_type); - - rphy->identify = mpt2sas_port->remote_identify; - if ((sas_rphy_add(rphy))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - } - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), " - "sas_addr(0x%016llx)\n", handle, - (unsigned long long) - mpt2sas_port->remote_identify.sas_address); - mpt2sas_port->rphy = rphy; - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - /* fill in report manufacture */ - if (mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || - mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) - _transport_expander_report_manufacture(ioc, - mpt2sas_port->remote_identify.sas_address, - rphy_to_expander_device(rphy)); - - return mpt2sas_port; - - out_fail: - list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list, - port_siblings) - list_del(&mpt2sas_phy->port_siblings); - kfree(mpt2sas_port); - return NULL; -} - -/** - * mpt2sas_transport_port_remove - remove port from the list - * @ioc: per adapter object - * @sas_address: sas address of attached device - * @sas_address_parent: sas address of parent expander or sas host - * Context: This function will acquire ioc->sas_node_lock. - * - * Removing object and freeing associated memory from the - * ioc->sas_port_list. - * - * Return nothing. - */ -void -mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, - u64 sas_address_parent) -{ - int i; - unsigned long flags; - struct _sas_port *mpt2sas_port, *next; - struct _sas_node *sas_node; - u8 found = 0; - struct _sas_phy *mpt2sas_phy, *next_phy; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_node = _transport_sas_node_find_by_sas_address(ioc, - sas_address_parent); - if (!sas_node) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return; - } - list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, - port_list) { - if (mpt2sas_port->remote_identify.sas_address != sas_address) - continue; - found = 1; - list_del(&mpt2sas_port->port_list); - goto out; - } - out: - if (!found) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return; - } - - for (i = 0; i < sas_node->num_phys; i++) { - if (sas_node->phy[i].remote_identify.sas_address == sas_address) - memset(&sas_node->phy[i].remote_identify, 0 , - sizeof(struct sas_identify)); - } - - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - list_for_each_entry_safe(mpt2sas_phy, next_phy, - &mpt2sas_port->phy_list, port_siblings) { - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &mpt2sas_port->port->dev, - "remove: sas_addr(0x%016llx), phy(%d)\n", - (unsigned long long) - mpt2sas_port->remote_identify.sas_address, - mpt2sas_phy->phy_id); - mpt2sas_phy->phy_belongs_to_port = 0; - sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); - list_del(&mpt2sas_phy->port_siblings); - } - sas_port_delete(mpt2sas_port->port); - kfree(mpt2sas_port); -} - -/** - * mpt2sas_transport_add_host_phy - report sas_host phy to transport - * @ioc: per adapter object - * @mpt2sas_phy: mpt2sas per phy object - * @phy_pg0: sas phy page 0 - * @parent_dev: parent device class object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy - *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) -{ - struct sas_phy *phy; - int phy_index = mpt2sas_phy->phy_id; - - - INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); - phy = sas_phy_alloc(parent_dev, phy_index); - if (!phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - if ((_transport_set_identify(ioc, mpt2sas_phy->handle, - &mpt2sas_phy->identify))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - phy->identify = mpt2sas_phy->identify; - mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); - if (mpt2sas_phy->attached_handle) - _transport_set_identify(ioc, mpt2sas_phy->attached_handle, - &mpt2sas_phy->remote_identify); - phy->identify.phy_identifier = mpt2sas_phy->phy_id; - phy->negotiated_linkrate = _transport_convert_phy_link_rate( - phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); - phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( - phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); - phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( - phy_pg0.HwLinkRate >> 4); - phy->minimum_linkrate = _transport_convert_phy_link_rate( - phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); - phy->maximum_linkrate = _transport_convert_phy_link_rate( - phy_pg0.ProgrammedLinkRate >> 4); - - if ((sas_phy_add(phy))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - sas_phy_free(phy); - return -1; - } - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &phy->dev, - "add: handle(0x%04x), sas_addr(0x%016llx)\n" - "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", - mpt2sas_phy->handle, (unsigned long long) - mpt2sas_phy->identify.sas_address, - mpt2sas_phy->attached_handle, - (unsigned long long) - mpt2sas_phy->remote_identify.sas_address); - mpt2sas_phy->phy = phy; - return 0; -} - - -/** - * mpt2sas_transport_add_expander_phy - report expander phy to transport - * @ioc: per adapter object - * @mpt2sas_phy: mpt2sas per phy object - * @expander_pg1: expander page 1 - * @parent_dev: parent device class object - * - * Returns 0 for success, non-zero for failure. - */ -int -mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy - *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev) -{ - struct sas_phy *phy; - int phy_index = mpt2sas_phy->phy_id; - - INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); - phy = sas_phy_alloc(parent_dev, phy_index); - if (!phy) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - if ((_transport_set_identify(ioc, mpt2sas_phy->handle, - &mpt2sas_phy->identify))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -1; - } - phy->identify = mpt2sas_phy->identify; - mpt2sas_phy->attached_handle = - le16_to_cpu(expander_pg1.AttachedDevHandle); - if (mpt2sas_phy->attached_handle) - _transport_set_identify(ioc, mpt2sas_phy->attached_handle, - &mpt2sas_phy->remote_identify); - phy->identify.phy_identifier = mpt2sas_phy->phy_id; - phy->negotiated_linkrate = _transport_convert_phy_link_rate( - expander_pg1.NegotiatedLinkRate & - MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); - phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( - expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); - phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( - expander_pg1.HwLinkRate >> 4); - phy->minimum_linkrate = _transport_convert_phy_link_rate( - expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); - phy->maximum_linkrate = _transport_convert_phy_link_rate( - expander_pg1.ProgrammedLinkRate >> 4); - - if ((sas_phy_add(phy))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - sas_phy_free(phy); - return -1; - } - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &phy->dev, - "add: handle(0x%04x), sas_addr(0x%016llx)\n" - "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", - mpt2sas_phy->handle, (unsigned long long) - mpt2sas_phy->identify.sas_address, - mpt2sas_phy->attached_handle, - (unsigned long long) - mpt2sas_phy->remote_identify.sas_address); - mpt2sas_phy->phy = phy; - return 0; -} - -/** - * mpt2sas_transport_update_links - refreshing phy link changes - * @ioc: per adapter object - * @sas_address: sas address of parent expander or sas host - * @handle: attached device handle - * @phy_numberv: phy number - * @link_rate: new link rate - * - * Returns nothing. - */ -void -mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) -{ - unsigned long flags; - struct _sas_node *sas_node; - struct _sas_phy *mpt2sas_phy; - - if (ioc->shost_recovery || ioc->pci_error_recovery) - return; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); - if (!sas_node) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return; - } - - mpt2sas_phy = &sas_node->phy[phy_number]; - mpt2sas_phy->attached_handle = handle; - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { - _transport_set_identify(ioc, handle, - &mpt2sas_phy->remote_identify); - _transport_add_phy_to_an_existing_port(ioc, sas_node, - mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); - } else - memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct - sas_identify)); - - if (mpt2sas_phy->phy) - mpt2sas_phy->phy->negotiated_linkrate = - _transport_convert_phy_link_rate(link_rate); - - if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) - dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, - "refresh: parent sas_addr(0x%016llx),\n" - "\tlink_rate(0x%02x), phy(%d)\n" - "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", - (unsigned long long)sas_address, - link_rate, phy_number, handle, (unsigned long long) - mpt2sas_phy->remote_identify.sas_address); -} - -static inline void * -phy_to_ioc(struct sas_phy *phy) -{ - struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); - return shost_priv(shost); -} - -static inline void * -rphy_to_ioc(struct sas_rphy *rphy) -{ - struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); - return shost_priv(shost); -} - - -/* report phy error log structure */ -struct phy_error_log_request{ - u8 smp_frame_type; /* 0x40 */ - u8 function; /* 0x11 */ - u8 allocated_response_length; - u8 request_length; /* 02 */ - u8 reserved_1[5]; - u8 phy_identifier; - u8 reserved_2[2]; -}; - -/* report phy error log reply structure */ -struct phy_error_log_reply{ - u8 smp_frame_type; /* 0x41 */ - u8 function; /* 0x11 */ - u8 function_result; - u8 response_length; - __be16 expander_change_count; - u8 reserved_1[3]; - u8 phy_identifier; - u8 reserved_2[2]; - __be32 invalid_dword; - __be32 running_disparity_error; - __be32 loss_of_dword_sync; - __be32 phy_reset_problem; -}; - -/** - * _transport_get_expander_phy_error_log - return expander counters - * @ioc: per adapter object - * @phy: The sas phy object - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, - struct sas_phy *phy) -{ - Mpi2SmpPassthroughRequest_t *mpi_request; - Mpi2SmpPassthroughReply_t *mpi_reply; - struct phy_error_log_request *phy_error_log_request; - struct phy_error_log_reply *phy_error_log_reply; - int rc; - u16 smid; - u32 ioc_state; - unsigned long timeleft; - void *psge; - u32 sgl_flags; - u8 issue_reset = 0; - void *data_out = NULL; - dma_addr_t data_out_dma; - u32 sz; - u16 wait_state_count; - - if (ioc->shost_recovery || ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return -EFAULT; - } - - mutex_lock(&ioc->transport_cmds.mutex); - - if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - ioc->transport_cmds.status = MPT2_CMD_PENDING; - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->transport_cmds.smid = smid; - - sz = sizeof(struct phy_error_log_request) + - sizeof(struct phy_error_log_reply); - data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); - if (!data_out) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - rc = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - - rc = -EINVAL; - memset(data_out, 0, sz); - phy_error_log_request = data_out; - phy_error_log_request->smp_frame_type = 0x40; - phy_error_log_request->function = 0x11; - phy_error_log_request->request_length = 2; - phy_error_log_request->allocated_response_length = 0; - phy_error_log_request->phy_identifier = phy->number; - - memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); - mpi_request->RequestDataLength = - cpu_to_le16(sizeof(struct phy_error_log_request)); - psge = &mpi_request->SGL; - - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_error_log_request), data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_error_log_reply), data_out_dma + - sizeof(struct phy_error_log_request)); - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " - "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, - (unsigned long long)phy->identify.sas_address, phy->number)); - init_completion(&ioc->transport_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, - 10*HZ); - - if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SmpPassthroughRequest_t)/4); - if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " - "complete\n", ioc->name)); - - if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { - - mpi_reply = ioc->transport_cmds.reply; - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_error_log - reply data transfer size(%d)\n", - ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); - - if (le16_to_cpu(mpi_reply->ResponseDataLength) != - sizeof(struct phy_error_log_reply)) - goto out; - - phy_error_log_reply = data_out + - sizeof(struct phy_error_log_request); - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_error_log - function_result(%d)\n", - ioc->name, phy_error_log_reply->function_result)); - - phy->invalid_dword_count = - be32_to_cpu(phy_error_log_reply->invalid_dword); - phy->running_disparity_error_count = - be32_to_cpu(phy_error_log_reply->running_disparity_error); - phy->loss_of_dword_sync_count = - be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); - phy->phy_reset_problem_count = - be32_to_cpu(phy_error_log_reply->phy_reset_problem); - rc = 0; - } else - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_error_log - no reply\n", ioc->name)); - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - out: - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - if (data_out) - pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); - - mutex_unlock(&ioc->transport_cmds.mutex); - return rc; -} - -/** - * _transport_get_linkerrors - return phy counters for both hba and expanders - * @phy: The sas phy object - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -_transport_get_linkerrors(struct sas_phy *phy) -{ - struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); - unsigned long flags; - Mpi2ConfigReply_t mpi_reply; - Mpi2SasPhyPage1_t phy_pg1; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - if (_transport_sas_node_find_by_sas_address(ioc, - phy->identify.sas_address) == NULL) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return -EINVAL; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - if (phy->identify.sas_address != ioc->sas_hba.sas_address) - return _transport_get_expander_phy_error_log(ioc, phy); - - /* get hba phy error logs */ - if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, - phy->number))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -ENXIO; - } - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) - printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" - "(0x%04x), loginfo(0x%08x)\n", ioc->name, - phy->number, le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo)); - - phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); - phy->running_disparity_error_count = - le32_to_cpu(phy_pg1.RunningDisparityErrorCount); - phy->loss_of_dword_sync_count = - le32_to_cpu(phy_pg1.LossDwordSynchCount); - phy->phy_reset_problem_count = - le32_to_cpu(phy_pg1.PhyResetProblemCount); - return 0; -} - -/** - * _transport_get_enclosure_identifier - - * @phy: The sas phy object - * - * Obtain the enclosure logical id for an expander. - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) -{ - struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); - struct _sas_device *sas_device; - unsigned long flags; - int rc; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - rphy->identify.sas_address); - if (sas_device) { - *identifier = sas_device->enclosure_logical_id; - rc = 0; - sas_device_put(sas_device); - } else { - *identifier = 0; - rc = -ENXIO; - } - - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return rc; -} - -/** - * _transport_get_bay_identifier - - * @phy: The sas phy object - * - * Returns the slot id for a device that resides inside an enclosure. - */ -static int -_transport_get_bay_identifier(struct sas_rphy *rphy) -{ - struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); - struct _sas_device *sas_device; - unsigned long flags; - int rc; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - rphy->identify.sas_address); - if (sas_device) { - rc = sas_device->slot; - sas_device_put(sas_device); - } else { - rc = -ENXIO; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return rc; -} - -/* phy control request structure */ -struct phy_control_request{ - u8 smp_frame_type; /* 0x40 */ - u8 function; /* 0x91 */ - u8 allocated_response_length; - u8 request_length; /* 0x09 */ - u16 expander_change_count; - u8 reserved_1[3]; - u8 phy_identifier; - u8 phy_operation; - u8 reserved_2[13]; - u64 attached_device_name; - u8 programmed_min_physical_link_rate; - u8 programmed_max_physical_link_rate; - u8 reserved_3[6]; -}; - -/* phy control reply structure */ -struct phy_control_reply{ - u8 smp_frame_type; /* 0x41 */ - u8 function; /* 0x11 */ - u8 function_result; - u8 response_length; -}; - -#define SMP_PHY_CONTROL_LINK_RESET (0x01) -#define SMP_PHY_CONTROL_HARD_RESET (0x02) -#define SMP_PHY_CONTROL_DISABLE (0x03) - -/** - * _transport_expander_phy_control - expander phy control - * @ioc: per adapter object - * @phy: The sas phy object - * - * Returns 0 for success, non-zero for failure. - * - */ -static int -_transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc, - struct sas_phy *phy, u8 phy_operation) -{ - Mpi2SmpPassthroughRequest_t *mpi_request; - Mpi2SmpPassthroughReply_t *mpi_reply; - struct phy_control_request *phy_control_request; - struct phy_control_reply *phy_control_reply; - int rc; - u16 smid; - u32 ioc_state; - unsigned long timeleft; - void *psge; - u32 sgl_flags; - u8 issue_reset = 0; - void *data_out = NULL; - dma_addr_t data_out_dma; - u32 sz; - u16 wait_state_count; - - if (ioc->shost_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return -EFAULT; - } - - mutex_lock(&ioc->transport_cmds.mutex); - - if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - ioc->transport_cmds.status = MPT2_CMD_PENDING; - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->transport_cmds.smid = smid; - - sz = sizeof(struct phy_control_request) + - sizeof(struct phy_control_reply); - data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); - if (!data_out) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - rc = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - - rc = -EINVAL; - memset(data_out, 0, sz); - phy_control_request = data_out; - phy_control_request->smp_frame_type = 0x40; - phy_control_request->function = 0x91; - phy_control_request->request_length = 9; - phy_control_request->allocated_response_length = 0; - phy_control_request->phy_identifier = phy->number; - phy_control_request->phy_operation = phy_operation; - phy_control_request->programmed_min_physical_link_rate = - phy->minimum_linkrate << 4; - phy_control_request->programmed_max_physical_link_rate = - phy->maximum_linkrate << 4; - - memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); - mpi_request->RequestDataLength = - cpu_to_le16(sizeof(struct phy_error_log_request)); - psge = &mpi_request->SGL; - - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_control_request), data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - sizeof(struct phy_control_reply), data_out_dma + - sizeof(struct phy_control_request)); - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " - "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name, - (unsigned long long)phy->identify.sas_address, phy->number, - phy_operation)); - - init_completion(&ioc->transport_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, - 10*HZ); - - if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", - ioc->name, __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SmpPassthroughRequest_t)/4); - if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " - "complete\n", ioc->name)); - - if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { - - mpi_reply = ioc->transport_cmds.reply; - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_control - reply data transfer size(%d)\n", - ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); - - if (le16_to_cpu(mpi_reply->ResponseDataLength) != - sizeof(struct phy_control_reply)) - goto out; - - phy_control_reply = data_out + - sizeof(struct phy_control_request); - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_control - function_result(%d)\n", - ioc->name, phy_control_reply->function_result)); - - rc = 0; - } else - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "phy_control - no reply\n", ioc->name)); - - issue_host_reset: - if (issue_reset) - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - out: - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - if (data_out) - pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); - - mutex_unlock(&ioc->transport_cmds.mutex); - return rc; -} - -/** - * _transport_phy_reset - - * @phy: The sas phy object - * @hard_reset: - * - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_phy_reset(struct sas_phy *phy, int hard_reset) -{ - struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); - Mpi2SasIoUnitControlReply_t mpi_reply; - Mpi2SasIoUnitControlRequest_t mpi_request; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - if (_transport_sas_node_find_by_sas_address(ioc, - phy->identify.sas_address) == NULL) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return -EINVAL; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - /* handle expander phys */ - if (phy->identify.sas_address != ioc->sas_hba.sas_address) - return _transport_expander_phy_control(ioc, phy, - (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : - SMP_PHY_CONTROL_LINK_RESET); - - /* handle hba phys */ - memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t)); - mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; - mpi_request.Operation = hard_reset ? - MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; - mpi_request.PhyNum = phy->number; - - if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return -ENXIO; - } - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) - printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" - "(0x%04x), loginfo(0x%08x)\n", ioc->name, - phy->number, le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo)); - - return 0; -} - -/** - * _transport_phy_enable - enable/disable phys - * @phy: The sas phy object - * @enable: enable phy when true - * - * Only support sas_host direct attached phys. - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_phy_enable(struct sas_phy *phy, int enable) -{ - struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u16 sz; - int rc = 0; - unsigned long flags; - int i, discovery_active; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - if (_transport_sas_node_find_by_sas_address(ioc, - phy->identify.sas_address) == NULL) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return -EINVAL; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - /* handle expander phys */ - if (phy->identify.sas_address != ioc->sas_hba.sas_address) - return _transport_expander_phy_control(ioc, phy, - (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : - SMP_PHY_CONTROL_DISABLE); - - /* handle hba phys */ - - /* read sas_iounit page 0 */ - sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit0PhyData_t)); - sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENOMEM; - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, - sas_iounit_pg0, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENXIO; - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -EIO; - goto out; - } - - /* unable to enable/disable phys when when discovery is active */ - for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) { - if (sas_iounit_pg0->PhyData[i].PortFlags & - MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) { - printk(MPT2SAS_ERR_FMT "discovery is active on " - "port = %d, phy = %d: unable to enable/disable " - "phys, try again later!\n", ioc->name, - sas_iounit_pg0->PhyData[i].Port, i); - discovery_active = 1; - } - } - - if (discovery_active) { - rc = -EAGAIN; - goto out; - } - - /* read sas_iounit page 1 */ - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit1PhyData_t)); - sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg1) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENOMEM; - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, - sas_iounit_pg1, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENXIO; - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -EIO; - goto out; - } - /* copy Port/PortFlags/PhyFlags from page 0 */ - for (i = 0; i < ioc->sas_hba.num_phys ; i++) { - sas_iounit_pg1->PhyData[i].Port = - sas_iounit_pg0->PhyData[i].Port; - sas_iounit_pg1->PhyData[i].PortFlags = - (sas_iounit_pg0->PhyData[i].PortFlags & - MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG); - sas_iounit_pg1->PhyData[i].PhyFlags = - (sas_iounit_pg0->PhyData[i].PhyFlags & - (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED + - MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED)); - } - if (enable) - sas_iounit_pg1->PhyData[phy->number].PhyFlags - &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; - else - sas_iounit_pg1->PhyData[phy->number].PhyFlags - |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; - - mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); - - /* link reset */ - if (enable) - _transport_phy_reset(phy, 0); - - out: - kfree(sas_iounit_pg1); - kfree(sas_iounit_pg0); - return rc; -} - -/** - * _transport_phy_speed - set phy min/max link rates - * @phy: The sas phy object - * @rates: rates defined in sas_phy_linkrates - * - * Only support sas_host direct attached phys. - * Returns 0 for success, non-zero for failure. - */ -static int -_transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) -{ - struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); - Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; - Mpi2SasPhyPage0_t phy_pg0; - Mpi2ConfigReply_t mpi_reply; - u16 ioc_status; - u16 sz; - int i; - int rc = 0; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - if (_transport_sas_node_find_by_sas_address(ioc, - phy->identify.sas_address) == NULL) { - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - return -EINVAL; - } - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - - if (!rates->minimum_linkrate) - rates->minimum_linkrate = phy->minimum_linkrate; - else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) - rates->minimum_linkrate = phy->minimum_linkrate_hw; - - if (!rates->maximum_linkrate) - rates->maximum_linkrate = phy->maximum_linkrate; - else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) - rates->maximum_linkrate = phy->maximum_linkrate_hw; - - /* handle expander phys */ - if (phy->identify.sas_address != ioc->sas_hba.sas_address) { - phy->minimum_linkrate = rates->minimum_linkrate; - phy->maximum_linkrate = rates->maximum_linkrate; - return _transport_expander_phy_control(ioc, phy, - SMP_PHY_CONTROL_LINK_RESET); - } - - /* handle hba phys */ - - /* sas_iounit page 1 */ - sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * - sizeof(Mpi2SasIOUnit1PhyData_t)); - sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); - if (!sas_iounit_pg1) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENOMEM; - goto out; - } - if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, - sas_iounit_pg1, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENXIO; - goto out; - } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -EIO; - goto out; - } - - for (i = 0; i < ioc->sas_hba.num_phys; i++) { - if (phy->number != i) { - sas_iounit_pg1->PhyData[i].MaxMinLinkRate = - (ioc->sas_hba.phy[i].phy->minimum_linkrate + - (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); - } else { - sas_iounit_pg1->PhyData[i].MaxMinLinkRate = - (rates->minimum_linkrate + - (rates->maximum_linkrate << 4)); - } - } - - if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, - sz)) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - rc = -ENXIO; - goto out; - } - - /* link reset */ - _transport_phy_reset(phy, 0); - - /* read phy page 0, then update the rates in the sas transport phy */ - if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, - phy->number)) { - phy->minimum_linkrate = _transport_convert_phy_link_rate( - phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); - phy->maximum_linkrate = _transport_convert_phy_link_rate( - phy_pg0.ProgrammedLinkRate >> 4); - phy->negotiated_linkrate = _transport_convert_phy_link_rate( - phy_pg0.NegotiatedLinkRate & - MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); - } - - out: - kfree(sas_iounit_pg1); - return rc; -} - - -/** - * _transport_smp_handler - transport portal for smp passthru - * @shost: shost object - * @rphy: sas transport rphy object - * @req: - * - * This used primarily for smp_utils. - * Example: - * smp_rep_general /sys/class/bsg/expander-5:0 - */ -static int -_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, - struct request *req) -{ - struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - Mpi2SmpPassthroughRequest_t *mpi_request; - Mpi2SmpPassthroughReply_t *mpi_reply; - int rc; - u16 smid; - u32 ioc_state; - unsigned long timeleft; - void *psge; - u32 sgl_flags; - u8 issue_reset = 0; - dma_addr_t dma_addr_in = 0; - dma_addr_t dma_addr_out = 0; - dma_addr_t pci_dma_in = 0; - dma_addr_t pci_dma_out = 0; - void *pci_addr_in = NULL; - void *pci_addr_out = NULL; - u16 wait_state_count; - struct request *rsp = req->next_rq; - struct bio_vec bvec; - struct bvec_iter iter; - - if (!rsp) { - printk(MPT2SAS_ERR_FMT "%s: the smp response space is " - "missing\n", ioc->name, __func__); - return -EINVAL; - } - if (ioc->shost_recovery || ioc->pci_error_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return -EFAULT; - } - - rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); - if (rc) - return rc; - - if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name, - __func__); - rc = -EAGAIN; - goto out; - } - ioc->transport_cmds.status = MPT2_CMD_PENDING; - - /* Check if the request is split across multiple segments */ - if (bio_multiple_segments(req->bio)) { - u32 offset = 0; - - /* Allocate memory and copy the request */ - pci_addr_out = pci_alloc_consistent(ioc->pdev, - blk_rq_bytes(req), &pci_dma_out); - if (!pci_addr_out) { - printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto out; - } - - bio_for_each_segment(bvec, req->bio, iter) { - memcpy(pci_addr_out + offset, - page_address(bvec.bv_page) + bvec.bv_offset, - bvec.bv_len); - offset += bvec.bv_len; - } - } else { - dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), - blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); - if (!dma_addr_out) { - printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto free_pci; - } - } - - /* Check if the response needs to be populated across - * multiple segments */ - if (bio_multiple_segments(rsp->bio)) { - pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp), - &pci_dma_in); - if (!pci_addr_in) { - printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto unmap; - } - } else { - dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), - blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); - if (!dma_addr_in) { - printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto unmap; - } - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - rc = -EFAULT; - goto unmap; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - rc = -EAGAIN; - goto unmap; - } - - rc = 0; - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->transport_cmds.smid = smid; - - memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); - mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; - mpi_request->PhysicalPort = 0xFF; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; - mpi_request->SASAddress = (rphy) ? - cpu_to_le64(rphy->identify.sas_address) : - cpu_to_le64(ioc->sas_hba.sas_address); - mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); - psge = &mpi_request->SGL; - - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - if (bio_multiple_segments(req->bio)) { - ioc->base_add_sg_single(psge, sgl_flags | - (blk_rq_bytes(req) - 4), pci_dma_out); - } else { - ioc->base_add_sg_single(psge, sgl_flags | - (blk_rq_bytes(req) - 4), dma_addr_out); - } - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - if (bio_multiple_segments(rsp->bio)) { - ioc->base_add_sg_single(psge, sgl_flags | - (blk_rq_bytes(rsp) + 4), pci_dma_in); - } else { - ioc->base_add_sg_single(psge, sgl_flags | - (blk_rq_bytes(rsp) + 4), dma_addr_in); - } - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " - "sending smp request\n", ioc->name, __func__)); - - init_completion(&ioc->transport_cmds.done); - mpt2sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, - 10*HZ); - - if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s : timeout\n", - __func__, ioc->name); - _debug_dump_mf(mpi_request, - sizeof(Mpi2SmpPassthroughRequest_t)/4); - if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " - "complete\n", ioc->name, __func__)); - - if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { - - mpi_reply = ioc->transport_cmds.reply; - - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s - reply data transfer size(%d)\n", - ioc->name, __func__, - le16_to_cpu(mpi_reply->ResponseDataLength))); - - memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); - req->sense_len = sizeof(*mpi_reply); - req->resid_len = 0; - rsp->resid_len -= - le16_to_cpu(mpi_reply->ResponseDataLength); - /* check if the resp needs to be copied from the allocated - * pci mem */ - if (bio_multiple_segments(rsp->bio)) { - u32 offset = 0; - u32 bytes_to_copy = - le16_to_cpu(mpi_reply->ResponseDataLength); - bio_for_each_segment(bvec, rsp->bio, iter) { - if (bytes_to_copy <= bvec.bv_len) { - memcpy(page_address(bvec.bv_page) + - bvec.bv_offset, pci_addr_in + - offset, bytes_to_copy); - break; - } else { - memcpy(page_address(bvec.bv_page) + - bvec.bv_offset, pci_addr_in + - offset, bvec.bv_len); - bytes_to_copy -= bvec.bv_len; - } - offset += bvec.bv_len; - } - } - } else { - dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s - no reply\n", ioc->name, __func__)); - rc = -ENXIO; - } - - issue_host_reset: - if (issue_reset) { - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - rc = -ETIMEDOUT; - } - - unmap: - if (dma_addr_out) - pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), - PCI_DMA_BIDIRECTIONAL); - if (dma_addr_in) - pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), - PCI_DMA_BIDIRECTIONAL); - - free_pci: - if (pci_addr_out) - pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out, - pci_dma_out); - - if (pci_addr_in) - pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in, - pci_dma_in); - - out: - ioc->transport_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->transport_cmds.mutex); - return rc; -} - -struct sas_function_template mpt2sas_transport_functions = { - .get_linkerrors = _transport_get_linkerrors, - .get_enclosure_identifier = _transport_get_enclosure_identifier, - .get_bay_identifier = _transport_get_bay_identifier, - .phy_reset = _transport_phy_reset, - .phy_enable = _transport_phy_enable, - .set_phy_speed = _transport_phy_speed, - .smp_handler = _transport_smp_handler, -}; - -struct scsi_transport_template *mpt2sas_transport_template; |