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-rw-r--r--drivers/scsi/lpfc/lpfc.h10
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c8
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c333
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.h12
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h7
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c1
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c1
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c143
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c528
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c278
-rw-r--r--drivers/scsi/lpfc/lpfc_logmsg.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_mbox.c9
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c1
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c1
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c50
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c414
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h38
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_vport.c8
20 files changed, 1569 insertions, 277 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 84b696463a58..565e16dd74fc 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -37,6 +37,9 @@ struct lpfc_sli2_slim;
the NameServer before giving up. */
#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
+ cmnd for menlo needs nearly twice as for firmware
+ downloads using bsg */
#define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
#define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
@@ -509,7 +512,6 @@ struct lpfc_hba {
int (*lpfc_hba_down_link)
(struct lpfc_hba *);
-
/* SLI4 specific HBA data structure */
struct lpfc_sli4_hba sli4_hba;
@@ -623,6 +625,9 @@ struct lpfc_hba {
uint32_t cfg_log_verbose;
uint32_t cfg_aer_support;
uint32_t cfg_suppress_link_up;
+#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
+#define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
+#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
lpfc_vpd_t vpd; /* vital product data */
@@ -804,6 +809,9 @@ struct lpfc_hba {
struct list_head ct_ev_waiters;
struct unsol_rcv_ct_ctx ct_ctx[64];
uint32_t ctx_idx;
+
+ uint8_t menlo_flag; /* menlo generic flags */
+#define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
};
static inline struct Scsi_Host *
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index c992e8328f9e..1849e33e68f9 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -24,6 +24,7 @@
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/aer.h>
+#include <linux/gfp.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
@@ -1939,7 +1940,9 @@ static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
# 0x2 = never bring up link
# Default value is 0.
*/
-LPFC_ATTR_R(suppress_link_up, 0, 0, 2, "Suppress Link Up at initialization");
+LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
+ LPFC_DELAY_INIT_LINK_INDEFINITELY,
+ "Suppress Link Up at initialization");
/*
# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
@@ -1966,8 +1969,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
{
struct Scsi_Host *shost = class_to_shost(dev);
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
- int val = 0;
- val = vport->cfg_devloss_tmo;
+
return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
}
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index f3f1bf1a0a71..ec3723831e89 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/mempool.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/delay.h>
#include <scsi/scsi.h>
@@ -83,15 +84,28 @@ struct lpfc_bsg_mbox {
struct fc_bsg_job *set_job;
};
+#define MENLO_DID 0x0000FC0E
+
+struct lpfc_bsg_menlo {
+ struct lpfc_iocbq *cmdiocbq;
+ struct lpfc_iocbq *rspiocbq;
+ struct lpfc_dmabuf *bmp;
+
+ /* job waiting for this iocb to finish */
+ struct fc_bsg_job *set_job;
+};
+
#define TYPE_EVT 1
#define TYPE_IOCB 2
#define TYPE_MBOX 3
+#define TYPE_MENLO 4
struct bsg_job_data {
uint32_t type;
union {
struct lpfc_bsg_event *evt;
struct lpfc_bsg_iocb iocb;
struct lpfc_bsg_mbox mbox;
+ struct lpfc_bsg_menlo menlo;
} context_un;
};
@@ -2456,6 +2470,18 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
case MBX_PORT_IOV_CONTROL:
break;
case MBX_SET_VARIABLE:
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "1226 mbox: set_variable 0x%x, 0x%x\n",
+ mb->un.varWords[0],
+ mb->un.varWords[1]);
+ if ((mb->un.varWords[0] == SETVAR_MLOMNT)
+ && (mb->un.varWords[1] == 1)) {
+ phba->wait_4_mlo_maint_flg = 1;
+ } else if (mb->un.varWords[0] == SETVAR_MLORST) {
+ phba->link_flag &= ~LS_LOOPBACK_MODE;
+ phba->fc_topology = TOPOLOGY_PT_PT;
+ }
+ break;
case MBX_RUN_BIU_DIAG64:
case MBX_READ_EVENT_LOG:
case MBX_READ_SPARM64:
@@ -2638,6 +2664,297 @@ job_error:
}
/**
+ * lpfc_bsg_menlo_cmd_cmp - lpfc_menlo_cmd completion handler
+ * @phba: Pointer to HBA context object.
+ * @cmdiocbq: Pointer to command iocb.
+ * @rspiocbq: Pointer to response iocb.
+ *
+ * This function is the completion handler for iocbs issued using
+ * lpfc_menlo_cmd function. This function is called by the
+ * ring event handler function without any lock held. This function
+ * can be called from both worker thread context and interrupt
+ * context. This function also can be called from another thread which
+ * cleans up the SLI layer objects.
+ * This function copies the contents of the response iocb to the
+ * response iocb memory object provided by the caller of
+ * lpfc_sli_issue_iocb_wait and then wakes up the thread which
+ * sleeps for the iocb completion.
+ **/
+static void
+lpfc_bsg_menlo_cmd_cmp(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocbq,
+ struct lpfc_iocbq *rspiocbq)
+{
+ struct bsg_job_data *dd_data;
+ struct fc_bsg_job *job;
+ IOCB_t *rsp;
+ struct lpfc_dmabuf *bmp;
+ struct lpfc_bsg_menlo *menlo;
+ unsigned long flags;
+ struct menlo_response *menlo_resp;
+ int rc = 0;
+
+ spin_lock_irqsave(&phba->ct_ev_lock, flags);
+ dd_data = cmdiocbq->context1;
+ if (!dd_data) {
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ return;
+ }
+
+ menlo = &dd_data->context_un.menlo;
+ job = menlo->set_job;
+ job->dd_data = NULL; /* so timeout handler does not reply */
+
+ spin_lock_irqsave(&phba->hbalock, flags);
+ cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
+ if (cmdiocbq->context2 && rspiocbq)
+ memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
+ &rspiocbq->iocb, sizeof(IOCB_t));
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+
+ bmp = menlo->bmp;
+ rspiocbq = menlo->rspiocbq;
+ rsp = &rspiocbq->iocb;
+
+ pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
+ job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+ /* always return the xri, this would be used in the case
+ * of a menlo download to allow the data to be sent as a continuation
+ * of the exchange.
+ */
+ menlo_resp = (struct menlo_response *)
+ job->reply->reply_data.vendor_reply.vendor_rsp;
+ menlo_resp->xri = rsp->ulpContext;
+ if (rsp->ulpStatus) {
+ if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
+ switch (rsp->un.ulpWord[4] & 0xff) {
+ case IOERR_SEQUENCE_TIMEOUT:
+ rc = -ETIMEDOUT;
+ break;
+ case IOERR_INVALID_RPI:
+ rc = -EFAULT;
+ break;
+ default:
+ rc = -EACCES;
+ break;
+ }
+ } else
+ rc = -EACCES;
+ } else
+ job->reply->reply_payload_rcv_len =
+ rsp->un.genreq64.bdl.bdeSize;
+
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+ kfree(bmp);
+ kfree(dd_data);
+ /* make error code available to userspace */
+ job->reply->result = rc;
+ /* complete the job back to userspace */
+ job->job_done(job);
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ return;
+}
+
+/**
+ * lpfc_menlo_cmd - send an ioctl for menlo hardware
+ * @job: fc_bsg_job to handle
+ *
+ * This function issues a gen request 64 CR ioctl for all menlo cmd requests,
+ * all the command completions will return the xri for the command.
+ * For menlo data requests a gen request 64 CX is used to continue the exchange
+ * supplied in the menlo request header xri field.
+ **/
+static int
+lpfc_menlo_cmd(struct fc_bsg_job *job)
+{
+ struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+ IOCB_t *cmd, *rsp;
+ int rc = 0;
+ struct menlo_command *menlo_cmd;
+ struct menlo_response *menlo_resp;
+ struct lpfc_dmabuf *bmp = NULL;
+ int request_nseg;
+ int reply_nseg;
+ struct scatterlist *sgel = NULL;
+ int numbde;
+ dma_addr_t busaddr;
+ struct bsg_job_data *dd_data;
+ struct ulp_bde64 *bpl = NULL;
+
+ /* in case no data is returned return just the return code */
+ job->reply->reply_payload_rcv_len = 0;
+
+ if (job->request_len <
+ sizeof(struct fc_bsg_request) +
+ sizeof(struct menlo_command)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2784 Received MENLO_CMD request below "
+ "minimum size\n");
+ rc = -ERANGE;
+ goto no_dd_data;
+ }
+
+ if (job->reply_len <
+ sizeof(struct fc_bsg_request) + sizeof(struct menlo_response)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2785 Received MENLO_CMD reply below "
+ "minimum size\n");
+ rc = -ERANGE;
+ goto no_dd_data;
+ }
+
+ if (!(phba->menlo_flag & HBA_MENLO_SUPPORT)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2786 Adapter does not support menlo "
+ "commands\n");
+ rc = -EPERM;
+ goto no_dd_data;
+ }
+
+ menlo_cmd = (struct menlo_command *)
+ job->request->rqst_data.h_vendor.vendor_cmd;
+
+ menlo_resp = (struct menlo_response *)
+ job->reply->reply_data.vendor_reply.vendor_rsp;
+
+ /* allocate our bsg tracking structure */
+ dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
+ if (!dd_data) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2787 Failed allocation of dd_data\n");
+ rc = -ENOMEM;
+ goto no_dd_data;
+ }
+
+ bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+ if (!bmp) {
+ rc = -ENOMEM;
+ goto free_dd;
+ }
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ if (!cmdiocbq) {
+ rc = -ENOMEM;
+ goto free_bmp;
+ }
+
+ rspiocbq = lpfc_sli_get_iocbq(phba);
+ if (!rspiocbq) {
+ rc = -ENOMEM;
+ goto free_cmdiocbq;
+ }
+
+ rsp = &rspiocbq->iocb;
+
+ bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
+ if (!bmp->virt) {
+ rc = -ENOMEM;
+ goto free_rspiocbq;
+ }
+
+ INIT_LIST_HEAD(&bmp->list);
+ bpl = (struct ulp_bde64 *) bmp->virt;
+ request_nseg = pci_map_sg(phba->pcidev, job->request_payload.sg_list,
+ job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ for_each_sg(job->request_payload.sg_list, sgel, request_nseg, numbde) {
+ busaddr = sg_dma_address(sgel);
+ bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+ bpl->tus.f.bdeSize = sg_dma_len(sgel);
+ bpl->tus.w = cpu_to_le32(bpl->tus.w);
+ bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
+ bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
+ bpl++;
+ }
+
+ reply_nseg = pci_map_sg(phba->pcidev, job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ for_each_sg(job->reply_payload.sg_list, sgel, reply_nseg, numbde) {
+ busaddr = sg_dma_address(sgel);
+ bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
+ bpl->tus.f.bdeSize = sg_dma_len(sgel);
+ bpl->tus.w = cpu_to_le32(bpl->tus.w);
+ bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
+ bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
+ bpl++;
+ }
+
+ cmd = &cmdiocbq->iocb;
+ cmd->un.genreq64.bdl.ulpIoTag32 = 0;
+ cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
+ cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
+ cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
+ cmd->un.genreq64.bdl.bdeSize =
+ (request_nseg + reply_nseg) * sizeof(struct ulp_bde64);
+ cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
+ cmd->un.genreq64.w5.hcsw.Dfctl = 0;
+ cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CMD;
+ cmd->un.genreq64.w5.hcsw.Type = MENLO_TRANSPORT_TYPE; /* 0xfe */
+ cmd->ulpBdeCount = 1;
+ cmd->ulpClass = CLASS3;
+ cmd->ulpOwner = OWN_CHIP;
+ cmd->ulpLe = 1; /* Limited Edition */
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+ cmdiocbq->vport = phba->pport;
+ /* We want the firmware to timeout before we do */
+ cmd->ulpTimeout = MENLO_TIMEOUT - 5;
+ cmdiocbq->context3 = bmp;
+ cmdiocbq->context2 = rspiocbq;
+ cmdiocbq->iocb_cmpl = lpfc_bsg_menlo_cmd_cmp;
+ cmdiocbq->context1 = dd_data;
+ cmdiocbq->context2 = rspiocbq;
+ if (menlo_cmd->cmd == LPFC_BSG_VENDOR_MENLO_CMD) {
+ cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
+ cmd->ulpPU = MENLO_PU; /* 3 */
+ cmd->un.ulpWord[4] = MENLO_DID; /* 0x0000FC0E */
+ cmd->ulpContext = MENLO_CONTEXT; /* 0 */
+ } else {
+ cmd->ulpCommand = CMD_GEN_REQUEST64_CX;
+ cmd->ulpPU = 1;
+ cmd->un.ulpWord[4] = 0;
+ cmd->ulpContext = menlo_cmd->xri;
+ }
+
+ dd_data->type = TYPE_MENLO;
+ dd_data->context_un.menlo.cmdiocbq = cmdiocbq;
+ dd_data->context_un.menlo.rspiocbq = rspiocbq;
+ dd_data->context_un.menlo.set_job = job;
+ dd_data->context_un.menlo.bmp = bmp;
+
+ rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq,
+ MENLO_TIMEOUT - 5);
+ if (rc == IOCB_SUCCESS)
+ return 0; /* done for now */
+
+ /* iocb failed so cleanup */
+ pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
+ job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+
+free_rspiocbq:
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+free_cmdiocbq:
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+free_bmp:
+ kfree(bmp);
+free_dd:
+ kfree(dd_data);
+no_dd_data:
+ /* make error code available to userspace */
+ job->reply->result = rc;
+ job->dd_data = NULL;
+ return rc;
+}
+/**
* lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job
* @job: fc_bsg_job to handle
**/
@@ -2669,6 +2986,10 @@ lpfc_bsg_hst_vendor(struct fc_bsg_job *job)
case LPFC_BSG_VENDOR_MBOX:
rc = lpfc_bsg_mbox_cmd(job);
break;
+ case LPFC_BSG_VENDOR_MENLO_CMD:
+ case LPFC_BSG_VENDOR_MENLO_DATA:
+ rc = lpfc_menlo_cmd(job);
+ break;
default:
rc = -EINVAL;
job->reply->reply_payload_rcv_len = 0;
@@ -2728,6 +3049,7 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
struct lpfc_bsg_event *evt;
struct lpfc_bsg_iocb *iocb;
struct lpfc_bsg_mbox *mbox;
+ struct lpfc_bsg_menlo *menlo;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
struct bsg_job_data *dd_data;
unsigned long flags;
@@ -2775,6 +3097,17 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
job->job_done(job);
break;
+ case TYPE_MENLO:
+ menlo = &dd_data->context_un.menlo;
+ cmdiocb = menlo->cmdiocbq;
+ /* hint to completion handler that the job timed out */
+ job->reply->result = -EAGAIN;
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ /* this will call our completion handler */
+ spin_lock_irq(&phba->hbalock);
+ lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb);
+ spin_unlock_irq(&phba->hbalock);
+ break;
default:
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 6c8f87e39b98..5bc630819b9e 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -31,6 +31,8 @@
#define LPFC_BSG_VENDOR_DIAG_TEST 5
#define LPFC_BSG_VENDOR_GET_MGMT_REV 6
#define LPFC_BSG_VENDOR_MBOX 7
+#define LPFC_BSG_VENDOR_MENLO_CMD 8
+#define LPFC_BSG_VENDOR_MENLO_DATA 9
struct set_ct_event {
uint32_t command;
@@ -96,3 +98,13 @@ struct dfc_mbox_req {
uint8_t mbOffset;
};
+/* Used for menlo command or menlo data. The xri is only used for menlo data */
+struct menlo_command {
+ uint32_t cmd;
+ uint32_t xri;
+};
+
+struct menlo_response {
+ uint32_t xri; /* return the xri of the iocb exchange */
+};
+
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 6f0fb51eb461..5087c4211b43 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -63,6 +63,7 @@ void lpfc_linkdown_port(struct lpfc_vport *);
void lpfc_port_link_failure(struct lpfc_vport *);
void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
void lpfc_retry_pport_discovery(struct lpfc_hba *);
void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -221,6 +222,10 @@ void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
void lpfc_unregister_unused_fcf(struct lpfc_hba *);
int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
+void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
+uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
+int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
+void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
int lpfc_mem_alloc(struct lpfc_hba *, int align);
void lpfc_mem_free(struct lpfc_hba *);
@@ -385,7 +390,7 @@ void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
void lpfc_start_fdiscs(struct lpfc_hba *phba);
struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
-
+struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define HBA_EVENT_RSCN 5
#define HBA_EVENT_LINK_UP 2
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index c7e921973f66..463b74902ac4 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -25,6 +25,7 @@
#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
+#include <linux/slab.h>
#include <linux/utsname.h>
#include <scsi/scsi.h>
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 391584183d81..a80d938fafc9 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -24,6 +24,7 @@
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/kthread.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/ctype.h>
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 2a40a6eabf4d..5fbdb22c1899 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -21,6 +21,7 @@
/* See Fibre Channel protocol T11 FC-LS for details */
#include <linux/blkdev.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <scsi/scsi.h>
@@ -771,6 +772,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp = cmdiocb->context1;
struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
struct serv_parm *sp;
+ uint16_t fcf_index;
int rc;
/* Check to see if link went down during discovery */
@@ -788,6 +790,54 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
vport->port_state);
if (irsp->ulpStatus) {
+ /*
+ * In case of FIP mode, perform round robin FCF failover
+ * due to new FCF discovery
+ */
+ if ((phba->hba_flag & HBA_FIP_SUPPORT) &&
+ (phba->fcf.fcf_flag & FCF_DISCOVERY)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
+ "2611 FLOGI failed on registered "
+ "FCF record fcf_index:%d, trying "
+ "to perform round robin failover\n",
+ phba->fcf.current_rec.fcf_indx);
+ fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
+ if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
+ /*
+ * Exhausted the eligible FCF record list,
+ * fail through to retry FLOGI on current
+ * FCF record.
+ */
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_FIP | LOG_ELS,
+ "2760 FLOGI exhausted FCF "
+ "round robin failover list, "
+ "retry FLOGI on the current "
+ "registered FCF index:%d\n",
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ } else {
+ rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba,
+ fcf_index);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_FIP | LOG_ELS,
+ "2761 FLOGI round "
+ "robin FCF failover "
+ "read FCF failed "
+ "rc:x%x, fcf_index:"
+ "%d\n", rc,
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ } else
+ goto out;
+ }
+ }
+
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb))
goto out;
@@ -806,9 +856,8 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* FLOGI failure */
- lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
- "0100 FLOGI failure Data: x%x x%x "
- "x%x\n",
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0100 FLOGI failure Status:x%x/x%x TMO:x%x\n",
irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout);
goto flogifail;
@@ -842,8 +891,18 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
else
rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp);
- if (!rc)
+ if (!rc) {
+ /* Mark the FCF discovery process done */
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | LOG_ELS,
+ "2769 FLOGI successful on FCF record: "
+ "current_fcf_index:x%x, terminate FCF "
+ "round robin failover process\n",
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
goto out;
+ }
}
flogifail:
@@ -1409,6 +1468,10 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* PLOGI failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2753 PLOGI failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
rc = NLP_STE_FREED_NODE;
@@ -1577,6 +1640,10 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* PRLI failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2754 PRLI failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
goto out;
@@ -1860,6 +1927,10 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* ADISC failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2755 ADISC failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (!lpfc_error_lost_link(irsp))
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
@@ -2009,6 +2080,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* ELS command is being retried */
goto out;
/* LOGO failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2756 LOGO failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
goto out;
@@ -5989,7 +6064,12 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
else {
- lpfc_start_fdiscs(phba);
+ /*
+ * If the physical port is instantiated using
+ * FDISC, do not start vport discovery.
+ */
+ if (vport->port_state != LPFC_FDISC)
+ lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
}
} else
@@ -6055,21 +6135,18 @@ mbox_err_exit:
}
/**
- * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * lpfc_cancel_all_vport_retry_delay_timer - Cancel all vport retry delay timer
* @phba: pointer to lpfc hba data structure.
*
- * This routine abort all pending discovery commands and
- * start a timer to retry FLOGI for the physical port
- * discovery.
+ * This routine cancels the retry delay timers to all the vports.
**/
void
-lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
struct lpfc_nodelist *ndlp;
- struct Scsi_Host *shost;
- int i;
uint32_t link_state;
+ int i;
/* Treat this failure as linkdown for all vports */
link_state = phba->link_state;
@@ -6087,13 +6164,30 @@ lpfc_retry_pport_discovery(struct lpfc_hba *phba)
}
lpfc_destroy_vport_work_array(phba, vports);
}
+}
+
+/**
+ * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine abort all pending discovery commands and
+ * start a timer to retry FLOGI for the physical port
+ * discovery.
+ **/
+void
+lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+{
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+
+ /* Cancel the all vports retry delay retry timers */
+ lpfc_cancel_all_vport_retry_delay_timer(phba);
/* If fabric require FLOGI, then re-instantiate physical login */
ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
if (!ndlp)
return;
-
shost = lpfc_shost_from_vport(phba->pport);
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
spin_lock_irq(shost->host_lock);
@@ -6219,7 +6313,8 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
lpfc_mbx_unreg_vpi(vport);
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(shost->host_lock);
}
@@ -6797,21 +6892,27 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
unsigned long iflag = 0;
- spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
list_for_each_entry_safe(sglq_entry, sglq_next,
&phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
if (sglq_entry->sli4_xritag == xri) {
list_del(&sglq_entry->list);
- spin_unlock_irqrestore(
- &phba->sli4_hba.abts_sgl_list_lock,
- iflag);
- spin_lock_irqsave(&phba->hbalock, iflag);
-
list_add_tail(&sglq_entry->list,
&phba->sli4_hba.lpfc_sgl_list);
+ sglq_entry->state = SGL_FREED;
+ spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
return;
}
}
- spin_unlock_irqrestore(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+ spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
+ sglq_entry = __lpfc_get_active_sglq(phba, xri);
+ if (!sglq_entry || (sglq_entry->sli4_xritag != xri)) {
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
+ }
+ sglq_entry->state = SGL_XRI_ABORTED;
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2359d0bfb734..e1466eec56b7 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -20,6 +20,7 @@
*******************************************************************/
#include <linux/blkdev.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>
@@ -1481,8 +1482,6 @@ lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
int
lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
{
- LPFC_MBOXQ_t *mbox;
- int rc;
/*
* If the Link is up and no FCoE events while in the
* FCF discovery, no need to restart FCF discovery.
@@ -1491,86 +1490,70 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
(phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
return 0;
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2768 Pending link or FCF event during current "
+ "handling of the previous event: link_state:x%x, "
+ "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
+ phba->link_state, phba->fcoe_eventtag_at_fcf_scan,
+ phba->fcoe_eventtag);
+
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
spin_unlock_irq(&phba->hbalock);
- if (phba->link_state >= LPFC_LINK_UP)
- lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
- else {
+ if (phba->link_state >= LPFC_LINK_UP) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2780 Restart FCF table scan due to "
+ "pending FCF event:evt_tag_at_scan:x%x, "
+ "evt_tag_current:x%x\n",
+ phba->fcoe_eventtag_at_fcf_scan,
+ phba->fcoe_eventtag);
+ lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
+ } else {
/*
* Do not continue FCF discovery and clear FCF_DISC_INPROGRESS
* flag
*/
spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+ phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
spin_unlock_irq(&phba->hbalock);
}
+ /* Unregister the currently registered FCF if required */
if (unreg_fcf) {
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_REGISTERED;
spin_unlock_irq(&phba->hbalock);
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox) {
- lpfc_printf_log(phba, KERN_ERR,
- LOG_DISCOVERY|LOG_MBOX,
- "2610 UNREG_FCFI mbox allocation failed\n");
- return 1;
- }
- lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
- mbox->vport = phba->pport;
- mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
- rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2611 UNREG_FCFI issue mbox failed\n");
- mempool_free(mbox, phba->mbox_mem_pool);
- }
+ lpfc_sli4_unregister_fcf(phba);
}
-
return 1;
}
/**
- * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
+ * lpfc_sli4_fcf_rec_mbox_parse - parse non-embedded fcf record mailbox command
* @phba: pointer to lpfc hba data structure.
* @mboxq: pointer to mailbox object.
+ * @next_fcf_index: pointer to holder of next fcf index.
*
- * This function iterate through all the fcf records available in
- * HBA and choose the optimal FCF record for discovery. After finding
- * the FCF for discovery it register the FCF record and kick start
- * discovery.
- * If FCF_IN_USE flag is set in currently used FCF, the routine try to
- * use a FCF record which match fabric name and mac address of the
- * currently used FCF record.
- * If the driver support only one FCF, it will try to use the FCF record
- * used by BOOT_BIOS.
+ * This routine parses the non-embedded fcf mailbox command by performing the
+ * necessarily error checking, non-embedded read FCF record mailbox command
+ * SGE parsing, and endianness swapping.
+ *
+ * Returns the pointer to the new FCF record in the non-embedded mailbox
+ * command DMA memory if successfully, other NULL.
*/
-void
-lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+static struct fcf_record *
+lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
+ uint16_t *next_fcf_index)
{
void *virt_addr;
dma_addr_t phys_addr;
- uint8_t *bytep;
struct lpfc_mbx_sge sge;
struct lpfc_mbx_read_fcf_tbl *read_fcf;
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
struct fcf_record *new_fcf_record;
- uint32_t boot_flag, addr_mode;
- uint32_t next_fcf_index;
- struct lpfc_fcf_rec *fcf_rec = NULL;
- unsigned long iflags;
- uint16_t vlan_id;
- int rc;
-
- /* If there is pending FCoE event restart FCF table scan */
- if (lpfc_check_pending_fcoe_event(phba, 0)) {
- lpfc_sli4_mbox_cmd_free(phba, mboxq);
- return;
- }
/* Get the first SGE entry from the non-embedded DMA memory. This
* routine only uses a single SGE.
@@ -1581,59 +1564,183 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
"2524 Failed to get the non-embedded SGE "
"virtual address\n");
- goto out;
+ return NULL;
}
virt_addr = mboxq->sge_array->addr[0];
shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
- shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
- &shdr->response);
- /*
- * The FCF Record was read and there is no reason for the driver
- * to maintain the FCF record data or memory. Instead, just need
- * to book keeping the FCFIs can be used.
- */
+ shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (shdr_status || shdr_add_status) {
- if (shdr_status == STATUS_FCF_TABLE_EMPTY) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ if (shdr_status == STATUS_FCF_TABLE_EMPTY)
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2726 READ_FCF_RECORD Indicates empty "
"FCF table.\n");
- } else {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ else
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2521 READ_FCF_RECORD mailbox failed "
- "with status x%x add_status x%x, mbx\n",
- shdr_status, shdr_add_status);
- }
- goto out;
+ "with status x%x add_status x%x, "
+ "mbx\n", shdr_status, shdr_add_status);
+ return NULL;
}
- /* Interpreting the returned information of FCF records */
+
+ /* Interpreting the returned information of the FCF record */
read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
sizeof(struct lpfc_mbx_read_fcf_tbl));
- next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
-
+ *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
new_fcf_record = (struct fcf_record *)(virt_addr +
sizeof(struct lpfc_mbx_read_fcf_tbl));
lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
sizeof(struct fcf_record));
- bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
+ return new_fcf_record;
+}
+
+/**
+ * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_record: pointer to the fcf record.
+ * @vlan_id: the lowest vlan identifier associated to this fcf record.
+ * @next_fcf_index: the index to the next fcf record in hba's fcf table.
+ *
+ * This routine logs the detailed FCF record if the LOG_FIP loggin is
+ * enabled.
+ **/
+static void
+lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
+ struct fcf_record *fcf_record,
+ uint16_t vlan_id,
+ uint16_t next_fcf_index)
+{
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2764 READ_FCF_RECORD:\n"
+ "\tFCF_Index : x%x\n"
+ "\tFCF_Avail : x%x\n"
+ "\tFCF_Valid : x%x\n"
+ "\tFIP_Priority : x%x\n"
+ "\tMAC_Provider : x%x\n"
+ "\tLowest VLANID : x%x\n"
+ "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
+ "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+ "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+ "\tNext_FCF_Index: x%x\n",
+ bf_get(lpfc_fcf_record_fcf_index, fcf_record),
+ bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
+ bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
+ fcf_record->fip_priority,
+ bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
+ vlan_id,
+ bf_get(lpfc_fcf_record_mac_0, fcf_record),
+ bf_get(lpfc_fcf_record_mac_1, fcf_record),
+ bf_get(lpfc_fcf_record_mac_2, fcf_record),
+ bf_get(lpfc_fcf_record_mac_3, fcf_record),
+ bf_get(lpfc_fcf_record_mac_4, fcf_record),
+ bf_get(lpfc_fcf_record_mac_5, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_0, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_1, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_2, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_3, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_4, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_5, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_6, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_7, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_0, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_1, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_2, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_3, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_4, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_5, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_6, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_7, fcf_record),
+ next_fcf_index);
+}
+
+/**
+ * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This function iterates through all the fcf records available in
+ * HBA and chooses the optimal FCF record for discovery. After finding
+ * the FCF for discovery it registers the FCF record and kicks start
+ * discovery.
+ * If FCF_IN_USE flag is set in currently used FCF, the routine tries to
+ * use an FCF record which matches fabric name and mac address of the
+ * currently used FCF record.
+ * If the driver supports only one FCF, it will try to use the FCF record
+ * used by BOOT_BIOS.
+ */
+void
+lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t fcf_index, next_fcf_index;
+ struct lpfc_fcf_rec *fcf_rec = NULL;
+ uint16_t vlan_id;
+ int rc;
+
+ /* If there is pending FCoE event restart FCF table scan */
+ if (lpfc_check_pending_fcoe_event(phba, 0)) {
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2765 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ /* Let next new FCF event trigger fast failover */
+ spin_lock_irq(&phba->hbalock);
+ phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Check the FCF record against the connection list */
rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
&addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
/*
* If the fcf record does not match with connect list entries
- * read the next entry.
+ * read the next entry; otherwise, this is an eligible FCF
+ * record for round robin FCF failover.
*/
- if (!rc)
+ if (!rc) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2781 FCF record fcf_index:x%x failed FCF "
+ "connection list check, fcf_avail:x%x, "
+ "fcf_valid:x%x\n",
+ bf_get(lpfc_fcf_record_fcf_index,
+ new_fcf_record),
+ bf_get(lpfc_fcf_record_fcf_avail,
+ new_fcf_record),
+ bf_get(lpfc_fcf_record_fcf_valid,
+ new_fcf_record));
goto read_next_fcf;
+ } else {
+ fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+ rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+ if (rc)
+ goto read_next_fcf;
+ }
+
/*
* If this is not the first FCF discovery of the HBA, use last
* FCF record for the discovery. The condition that a rescan
* matches the in-use FCF record: fabric name, switch name, mac
* address, and vlan_id.
*/
- spin_lock_irqsave(&phba->hbalock, iflags);
+ spin_lock_irq(&phba->hbalock);
if (phba->fcf.fcf_flag & FCF_IN_USE) {
if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
new_fcf_record) &&
@@ -1649,8 +1756,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
/* If in fast failover, mark it's completed */
- phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV |
+ FCF_DISCOVERY);
+ spin_unlock_irq(&phba->hbalock);
goto out;
}
/*
@@ -1661,7 +1769,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
* next candidate.
*/
if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
}
}
@@ -1669,14 +1777,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
* Update on failover FCF record only if it's in FCF fast-failover
* period; otherwise, update on current FCF record.
*/
- if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
- /* Fast FCF failover only to the same fabric name */
- if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
- new_fcf_record))
- fcf_rec = &phba->fcf.failover_rec;
- else
- goto read_next_fcf;
- } else
+ if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
+ fcf_rec = &phba->fcf.failover_rec;
+ else
fcf_rec = &phba->fcf.current_rec;
if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
@@ -1689,7 +1792,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
/* Choose this FCF record */
__lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
addr_mode, vlan_id, BOOT_ENABLE);
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
}
/*
@@ -1698,20 +1801,19 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
* the next FCF record.
*/
if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) {
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
}
/*
* If the new hba FCF record has lower priority value
* than the driver FCF record, use the new record.
*/
- if (lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record) &&
- (new_fcf_record->fip_priority < fcf_rec->priority)) {
+ if (new_fcf_record->fip_priority < fcf_rec->priority) {
/* Choose this FCF record */
__lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
addr_mode, vlan_id, 0);
}
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
}
/*
@@ -1724,7 +1826,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
BOOT_ENABLE : 0));
phba->fcf.fcf_flag |= FCF_AVAILABLE;
}
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
read_next_fcf:
@@ -1740,9 +1842,22 @@ read_next_fcf:
* FCF scan inprogress, and do nothing
*/
if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
- spin_lock_irqsave(&phba->hbalock, iflags);
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2782 No suitable FCF record "
+ "found during this round of "
+ "post FCF rediscovery scan: "
+ "fcf_evt_tag:x%x, fcf_index: "
+ "x%x\n",
+ phba->fcoe_eventtag_at_fcf_scan,
+ bf_get(lpfc_fcf_record_fcf_index,
+ new_fcf_record));
+ /*
+ * Let next new FCF event trigger fast
+ * failover
+ */
+ spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
return;
}
/*
@@ -1754,16 +1869,23 @@ read_next_fcf:
* record.
*/
- /* unregister the current in-use FCF record */
+ /* Unregister the current in-use FCF record */
lpfc_unregister_fcf(phba);
- /* replace in-use record with the new record */
+
+ /* Replace in-use record with the new record */
memcpy(&phba->fcf.current_rec,
&phba->fcf.failover_rec,
sizeof(struct lpfc_fcf_rec));
/* mark the FCF fast failover completed */
- spin_lock_irqsave(&phba->hbalock, iflags);
+ spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
- spin_unlock_irqrestore(&phba->hbalock, iflags);
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Set up the initial registered FCF index for FLOGI
+ * round robin FCF failover.
+ */
+ phba->fcf.fcf_rr_init_indx =
+ phba->fcf.failover_rec.fcf_indx;
/* Register to the new FCF record */
lpfc_register_fcf(phba);
} else {
@@ -1776,13 +1898,25 @@ read_next_fcf:
return;
/*
* Otherwise, initial scan or post linkdown rescan,
- * register with the best fit FCF record found so
- * far through the scanning process.
+ * register with the best FCF record found so far
+ * through the FCF scanning process.
+ */
+
+ /* mark the initial FCF discovery completed */
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Set up the initial registered FCF index for FLOGI
+ * round robin FCF failover
*/
+ phba->fcf.fcf_rr_init_indx =
+ phba->fcf.current_rec.fcf_indx;
+ /* Register to the new FCF record */
lpfc_register_fcf(phba);
}
} else
- lpfc_sli4_read_fcf_record(phba, next_fcf_index);
+ lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index);
return;
out:
@@ -1793,6 +1927,141 @@ out:
}
/**
+ * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function for FLOGI failure round robin FCF failover
+ * read FCF record mailbox command from the eligible FCF record bmask for
+ * performing the failover. If the FCF read back is not valid/available, it
+ * fails through to retrying FLOGI to the currently registered FCF again.
+ * Otherwise, if the FCF read back is valid and available, it will set the
+ * newly read FCF record to the failover FCF record, unregister currently
+ * registered FCF record, copy the failover FCF record to the current
+ * FCF record, and then register the current FCF record before proceeding
+ * to trying FLOGI on the new failover FCF.
+ */
+void
+lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t next_fcf_index;
+ uint16_t current_fcf_index;
+ uint16_t vlan_id;
+
+ /* If link state is not up, stop the round robin failover process */
+ if (phba->link_state < LPFC_LINK_UP) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2766 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ goto out;
+ }
+
+ /* Get the needed parameters from FCF record */
+ lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
+ /* Upload new FCF record to the failover FCF record */
+ spin_lock_irq(&phba->hbalock);
+ __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
+ new_fcf_record, addr_mode, vlan_id,
+ (boot_flag ? BOOT_ENABLE : 0));
+ spin_unlock_irq(&phba->hbalock);
+
+ current_fcf_index = phba->fcf.current_rec.fcf_indx;
+
+ /* Unregister the current in-use FCF record */
+ lpfc_unregister_fcf(phba);
+
+ /* Replace in-use record with the new record */
+ memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec,
+ sizeof(struct lpfc_fcf_rec));
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2783 FLOGI round robin FCF failover from FCF "
+ "(index:x%x) to FCF (index:x%x).\n",
+ current_fcf_index,
+ bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
+
+out:
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ lpfc_register_fcf(phba);
+}
+
+/**
+ * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function of read FCF record mailbox command for
+ * updating the eligible FCF bmask for FLOGI failure round robin FCF
+ * failover when a new FCF event happened. If the FCF read back is
+ * valid/available and it passes the connection list check, it updates
+ * the bmask for the eligible FCF record for round robin failover.
+ */
+void
+lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t fcf_index, next_fcf_index;
+ uint16_t vlan_id;
+ int rc;
+
+ /* If link state is not up, no need to proceed */
+ if (phba->link_state < LPFC_LINK_UP)
+ goto out;
+
+ /* If FCF discovery period is over, no need to proceed */
+ if (phba->fcf.fcf_flag & FCF_DISCOVERY)
+ goto out;
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2767 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ goto out;
+ }
+
+ /* Check the connection list for eligibility */
+ rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
+ if (!rc)
+ goto out;
+
+ /* Update the eligible FCF record index bmask */
+ fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+ rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+
+out:
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+}
+
+/**
* lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
* @phba: pointer to lpfc hba data structure.
* @mboxq: pointer to mailbox data structure.
@@ -2024,8 +2293,6 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
int rc;
struct fcf_record *fcf_record;
- sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
-
spin_lock_irq(&phba->hbalock);
switch (la->UlnkSpeed) {
case LA_1GHZ_LINK:
@@ -2117,18 +2384,24 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
spin_unlock_irq(&phba->hbalock);
lpfc_linkup(phba);
- if (sparam_mbox) {
- lpfc_read_sparam(phba, sparam_mbox, 0);
- sparam_mbox->vport = vport;
- sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
- rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
- mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
- lpfc_mbuf_free(phba, mp->virt, mp->phys);
- kfree(mp);
- mempool_free(sparam_mbox, phba->mbox_mem_pool);
- goto out;
- }
+ sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!sparam_mbox)
+ goto out;
+
+ rc = lpfc_read_sparam(phba, sparam_mbox, 0);
+ if (rc) {
+ mempool_free(sparam_mbox, phba->mbox_mem_pool);
+ goto out;
+ }
+ sparam_mbox->vport = vport;
+ sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
+ rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free(sparam_mbox, phba->mbox_mem_pool);
+ goto out;
}
if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
@@ -2186,10 +2459,20 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
spin_unlock_irq(&phba->hbalock);
return;
}
+ /* This is the initial FCF discovery scan */
+ phba->fcf.fcf_flag |= FCF_INIT_DISC;
spin_unlock_irq(&phba->hbalock);
- rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
- if (rc)
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2778 Start FCF table scan at linkup\n");
+
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+ LPFC_FCOE_FCF_GET_FIRST);
+ if (rc) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
goto out;
+ }
}
return;
@@ -3379,8 +3662,12 @@ lpfc_unreg_hba_rpis(struct lpfc_hba *phba)
shost = lpfc_shost_from_vport(vports[i]);
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
- if (ndlp->nlp_flag & NLP_RPI_VALID)
+ if (ndlp->nlp_flag & NLP_RPI_VALID) {
+ /* The mempool_alloc might sleep */
+ spin_unlock_irq(shost->host_lock);
lpfc_unreg_rpi(vports[i], ndlp);
+ spin_lock_irq(shost->host_lock);
+ }
}
spin_unlock_irq(shost->host_lock);
}
@@ -4756,6 +5043,7 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
return;
/* Reset HBA FCF states after successful unregister FCF */
phba->fcf.fcf_flag = 0;
+ phba->fcf.current_rec.flag = 0;
/*
* If driver is not unloading, check if there is any other
@@ -4765,13 +5053,21 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
(phba->link_state < LPFC_LINK_UP))
return;
- rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+ /* This is considered as the initial FCF discovery scan */
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag |= FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
- if (rc)
+ if (rc) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
"2553 lpfc_unregister_unused_fcf failed "
"to read FCF record HBA state x%x\n",
phba->pport->port_state);
+ }
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index d29ac7c317d9..774663e8e1fe 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -29,6 +29,7 @@
#include <linux/spinlock.h>
#include <linux/ctype.h>
#include <linux/aer.h>
+#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
@@ -350,7 +351,12 @@ lpfc_config_port_post(struct lpfc_hba *phba)
mb = &pmb->u.mb;
/* Get login parameters for NID. */
- lpfc_read_sparam(phba, pmb, 0);
+ rc = lpfc_read_sparam(phba, pmb, 0);
+ if (rc) {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -ENOMEM;
+ }
+
pmb->vport = vport;
if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -359,7 +365,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
mb->mbxCommand, mb->mbxStatus);
phba->link_state = LPFC_HBA_ERROR;
mp = (struct lpfc_dmabuf *) pmb->context1;
- mempool_free( pmb, phba->mbox_mem_pool);
+ mempool_free(pmb, phba->mbox_mem_pool);
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
return -EIO;
@@ -544,7 +550,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
- } else if (phba->cfg_suppress_link_up == 0) {
+ } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
lpfc_init_link(phba, pmb, phba->cfg_topology,
phba->cfg_link_speed);
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -571,6 +577,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
}
/* MBOX buffer will be freed in mbox compl */
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb) {
+ phba->link_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+
lpfc_config_async(phba, pmb, LPFC_ELS_RING);
pmb->mbox_cmpl = lpfc_config_async_cmpl;
pmb->vport = phba->pport;
@@ -588,6 +599,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
/* Get Option rom version */
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb) {
+ phba->link_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+
lpfc_dump_wakeup_param(phba, pmb);
pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
pmb->vport = phba->pport;
@@ -652,7 +668,7 @@ lpfc_hba_init_link(struct lpfc_hba *phba)
mempool_free(pmb, phba->mbox_mem_pool);
return -EIO;
}
- phba->cfg_suppress_link_up = 0;
+ phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
return 0;
}
@@ -807,6 +823,8 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
LIST_HEAD(aborts);
int ret;
unsigned long iflag = 0;
+ struct lpfc_sglq *sglq_entry = NULL;
+
ret = lpfc_hba_down_post_s3(phba);
if (ret)
return ret;
@@ -822,6 +840,10 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
* list.
*/
spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
+ list_for_each_entry(sglq_entry,
+ &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
+ sglq_entry->state = SGL_FREED;
+
list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
&phba->sli4_hba.lpfc_sgl_list);
spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
@@ -2178,8 +2200,10 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
void
__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
{
- /* Clear pending FCF rediscovery wait timer */
- phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+ /* Clear pending FCF rediscovery wait and failover in progress flags */
+ phba->fcf.fcf_flag &= ~(FCF_REDISC_PEND |
+ FCF_DEAD_DISC |
+ FCF_ACVL_DISC);
/* Now, try to stop the timer */
del_timer(&phba->fcf.redisc_wait);
}
@@ -2576,6 +2600,14 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
init_timer(&vport->els_tmofunc);
vport->els_tmofunc.function = lpfc_els_timeout;
vport->els_tmofunc.data = (unsigned long)vport;
+ if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
+ phba->menlo_flag |= HBA_MENLO_SUPPORT;
+ /* check for menlo minimum sg count */
+ if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) {
+ phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
+ shost->sg_tablesize = phba->cfg_sg_seg_cnt;
+ }
+ }
error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
if (error)
@@ -2912,6 +2944,9 @@ lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
/* FCF rediscovery event to worker thread */
phba->fcf.fcf_flag |= FCF_REDISC_EVT;
spin_unlock_irq(&phba->hbalock);
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2776 FCF rediscover wait timer expired, post "
+ "a worker thread event for FCF table scan\n");
/* wake up worker thread */
lpfc_worker_wake_up(phba);
}
@@ -3183,6 +3218,68 @@ out_free_pmb:
}
/**
+ * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
+ * @vport: pointer to vport data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on a vport in
+ * response to a CVL event.
+ *
+ * Return the pointer to the ndlp with the vport if successful, otherwise
+ * return NULL.
+ **/
+static struct lpfc_nodelist *
+lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
+{
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+ struct lpfc_hba *phba;
+
+ if (!vport)
+ return NULL;
+ ndlp = lpfc_findnode_did(vport, Fabric_DID);
+ if (!ndlp)
+ return NULL;
+ phba = vport->phba;
+ if (!phba)
+ return NULL;
+ if (phba->pport->port_state <= LPFC_FLOGI)
+ return NULL;
+ /* If virtual link is not yet instantiated ignore CVL */
+ if (vport->port_state <= LPFC_FDISC)
+ return NULL;
+ shost = lpfc_shost_from_vport(vport);
+ if (!shost)
+ return NULL;
+ lpfc_linkdown_port(vport);
+ lpfc_cleanup_pending_mbox(vport);
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_CVL_RCVD;
+ spin_unlock_irq(shost->host_lock);
+
+ return ndlp;
+}
+
+/**
+ * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
+ * @vport: pointer to lpfc hba data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on all vports in
+ * response to a FCF dead event.
+ **/
+static void
+lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
+{
+ struct lpfc_vport **vports;
+ int i;
+
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports)
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
+ lpfc_sli4_perform_vport_cvl(vports[i]);
+ lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
* lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
* @phba: pointer to lpfc hba data structure.
* @acqe_link: pointer to the async fcoe completion queue entry.
@@ -3198,7 +3295,6 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
struct lpfc_vport *vport;
struct lpfc_nodelist *ndlp;
struct Scsi_Host *shost;
- uint32_t link_state;
int active_vlink_present;
struct lpfc_vport **vports;
int i;
@@ -3208,10 +3304,11 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
switch (event_type) {
case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
case LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD:
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
- "2546 New FCF found index 0x%x tag 0x%x\n",
- acqe_fcoe->index,
- acqe_fcoe->event_tag);
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+ "2546 New FCF found/FCF parameter modified event: "
+ "evt_tag:x%x, fcf_index:x%x\n",
+ acqe_fcoe->event_tag, acqe_fcoe->index);
+
spin_lock_irq(&phba->hbalock);
if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
(phba->hba_flag & FCF_DISC_INPROGRESS)) {
@@ -3222,6 +3319,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
spin_unlock_irq(&phba->hbalock);
break;
}
+
if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
/*
* If fast FCF failover rescan event is pending,
@@ -3232,12 +3330,33 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
}
spin_unlock_irq(&phba->hbalock);
- /* Read the FCF table and re-discover SAN. */
- rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+ if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
+ !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
+ /*
+ * During period of FCF discovery, read the FCF
+ * table record indexed by the event to update
+ * FCF round robin failover eligible FCF bmask.
+ */
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+ LOG_DISCOVERY,
+ "2779 Read new FCF record with "
+ "fcf_index:x%x for updating FCF "
+ "round robin failover bmask\n",
+ acqe_fcoe->index);
+ rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
+ }
+
+ /* Otherwise, scan the entire FCF table and re-discover SAN */
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2770 Start FCF table scan due to new FCF "
+ "event: evt_tag:x%x, fcf_index:x%x\n",
+ acqe_fcoe->event_tag, acqe_fcoe->index);
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+ LPFC_FCOE_FCF_GET_FIRST);
if (rc)
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
- "2547 Read FCF record failed 0x%x\n",
- rc);
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+ "2547 Issue FCF scan read FCF mailbox "
+ "command failed 0x%x\n", rc);
break;
case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
@@ -3248,47 +3367,63 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
break;
case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
"2549 FCF disconnected from network index 0x%x"
" tag 0x%x\n", acqe_fcoe->index,
acqe_fcoe->event_tag);
/* If the event is not for currently used fcf do nothing */
if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
break;
- /*
- * Currently, driver support only one FCF - so treat this as
- * a link down, but save the link state because we don't want
- * it to be changed to Link Down unless it is already down.
+ /* We request port to rediscover the entire FCF table for
+ * a fast recovery from case that the current FCF record
+ * is no longer valid if we are not in the middle of FCF
+ * failover process already.
*/
- link_state = phba->link_state;
- lpfc_linkdown(phba);
- phba->link_state = link_state;
- /* Unregister FCF if no devices connected to it */
- lpfc_unregister_unused_fcf(phba);
+ spin_lock_irq(&phba->hbalock);
+ if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+ spin_unlock_irq(&phba->hbalock);
+ /* Update FLOGI FCF failover eligible FCF bmask */
+ lpfc_sli4_fcf_rr_index_clear(phba, acqe_fcoe->index);
+ break;
+ }
+ /* Mark the fast failover process in progress */
+ phba->fcf.fcf_flag |= FCF_DEAD_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2771 Start FCF fast failover process due to "
+ "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
+ "\n", acqe_fcoe->event_tag, acqe_fcoe->index);
+ rc = lpfc_sli4_redisc_fcf_table(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+ LOG_DISCOVERY,
+ "2772 Issue FCF rediscover mabilbox "
+ "command failed, fail through to FCF "
+ "dead event\n");
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Last resort will fail over by treating this
+ * as a link down to FCF registration.
+ */
+ lpfc_sli4_fcf_dead_failthrough(phba);
+ } else
+ /* Handling fast FCF failover to a DEAD FCF event
+ * is considered equalivant to receiving CVL to all
+ * vports.
+ */
+ lpfc_sli4_perform_all_vport_cvl(phba);
break;
case LPFC_FCOE_EVENT_TYPE_CVL:
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
"2718 Clear Virtual Link Received for VPI 0x%x"
" tag 0x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag);
vport = lpfc_find_vport_by_vpid(phba,
acqe_fcoe->index - phba->vpi_base);
- if (!vport)
- break;
- ndlp = lpfc_findnode_did(vport, Fabric_DID);
+ ndlp = lpfc_sli4_perform_vport_cvl(vport);
if (!ndlp)
break;
- shost = lpfc_shost_from_vport(vport);
- if (phba->pport->port_state <= LPFC_FLOGI)
- break;
- /* If virtual link is not yet instantiated ignore CVL */
- if (vport->port_state <= LPFC_FDISC)
- break;
-
- lpfc_linkdown_port(vport);
- lpfc_cleanup_pending_mbox(vport);
- spin_lock_irq(shost->host_lock);
- vport->fc_flag |= FC_VPORT_CVL_RCVD;
- spin_unlock_irq(shost->host_lock);
active_vlink_present = 0;
vports = lpfc_create_vport_work_array(phba);
@@ -3311,6 +3446,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
* re-instantiate the Vlink using FDISC.
*/
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ shost = lpfc_shost_from_vport(vport);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -3321,15 +3457,38 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
* Otherwise, we request port to rediscover
* the entire FCF table for a fast recovery
* from possible case that the current FCF
- * is no longer valid.
+ * is no longer valid if we are not already
+ * in the FCF failover process.
*/
+ spin_lock_irq(&phba->hbalock);
+ if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+ /* Mark the fast failover process in progress */
+ phba->fcf.fcf_flag |= FCF_ACVL_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+ LOG_DISCOVERY,
+ "2773 Start FCF fast failover due "
+ "to CVL event: evt_tag:x%x\n",
+ acqe_fcoe->event_tag);
rc = lpfc_sli4_redisc_fcf_table(phba);
- if (rc)
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+ LOG_DISCOVERY,
+ "2774 Issue FCF rediscover "
+ "mabilbox command failed, "
+ "through to CVL event\n");
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
+ spin_unlock_irq(&phba->hbalock);
/*
* Last resort will be re-try on the
* the current registered FCF entry.
*/
lpfc_retry_pport_discovery(phba);
+ }
}
break;
default:
@@ -3426,11 +3585,14 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
spin_unlock_irq(&phba->hbalock);
/* Scan FCF table from the first entry to re-discover SAN */
- rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2777 Start FCF table scan after FCF "
+ "rediscovery quiescent period over\n");
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
if (rc)
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
- "2747 Post FCF rediscovery read FCF record "
- "failed 0x%x\n", rc);
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+ "2747 Issue FCF scan read FCF mailbox "
+ "command failed 0x%x\n", rc);
}
/**
@@ -3722,6 +3884,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
struct lpfc_mqe *mqe;
+ int longs;
/* Before proceed, wait for POST done and device ready */
rc = lpfc_sli4_post_status_check(phba);
@@ -3898,13 +4061,24 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
goto out_free_active_sgl;
}
+ /* Allocate eligible FCF bmask memory for FCF round robin failover */
+ longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
+ phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
+ GFP_KERNEL);
+ if (!phba->fcf.fcf_rr_bmask) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2759 Failed allocate memory for FCF round "
+ "robin failover bmask\n");
+ goto out_remove_rpi_hdrs;
+ }
+
phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
phba->cfg_fcp_eq_count), GFP_KERNEL);
if (!phba->sli4_hba.fcp_eq_hdl) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2572 Failed allocate memory for fast-path "
"per-EQ handle array\n");
- goto out_remove_rpi_hdrs;
+ goto out_free_fcf_rr_bmask;
}
phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
@@ -3957,6 +4131,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
out_free_fcp_eq_hdl:
kfree(phba->sli4_hba.fcp_eq_hdl);
+out_free_fcf_rr_bmask:
+ kfree(phba->fcf.fcf_rr_bmask);
out_remove_rpi_hdrs:
lpfc_sli4_remove_rpi_hdrs(phba);
out_free_active_sgl:
@@ -4002,6 +4178,9 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
lpfc_sli4_remove_rpi_hdrs(phba);
lpfc_sli4_remove_rpis(phba);
+ /* Free eligible FCF index bmask */
+ kfree(phba->fcf.fcf_rr_bmask);
+
/* Free the ELS sgl list */
lpfc_free_active_sgl(phba);
lpfc_free_sgl_list(phba);
@@ -4397,6 +4576,7 @@ lpfc_init_sgl_list(struct lpfc_hba *phba)
/* The list order is used by later block SGL registraton */
spin_lock_irq(&phba->hbalock);
+ sglq_entry->state = SGL_FREED;
list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list);
phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry;
phba->sli4_hba.total_sglq_bufs++;
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index 954ba57970a3..bb59e9273126 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -35,6 +35,7 @@
#define LOG_VPORT 0x00004000 /* NPIV events */
#define LOF_SECURITY 0x00008000 /* Security events */
#define LOG_EVENT 0x00010000 /* CT,TEMP,DUMP, logging */
+#define LOG_FIP 0x00020000 /* FIP events */
#define LOG_ALL_MSG 0xffffffff /* LOG all messages */
#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 6c4dce1a30ca..72e6adb0643e 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -21,6 +21,7 @@
#include <linux/blkdev.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <scsi/scsi_device.h>
@@ -1748,7 +1749,7 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
}
/**
- * lpfc_sli4_mbx_read_fcf_record - Allocate and construct read fcf mbox cmd
+ * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
* @phba: pointer to lpfc hba data structure.
* @fcf_index: index to fcf table.
*
@@ -1759,9 +1760,9 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
* NULL.
**/
int
-lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *phba,
- struct lpfcMboxq *mboxq,
- uint16_t fcf_index)
+lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
+ struct lpfcMboxq *mboxq,
+ uint16_t fcf_index)
{
void *virt_addr;
dma_addr_t phys_addr;
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index a1b6db6016da..8f879e477e9d 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -20,6 +20,7 @@
*******************************************************************/
#include <linux/mempool.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index d20ae6b3b3cf..e331204a4d56 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -21,6 +21,7 @@
#include <linux/blkdev.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <scsi/scsi.h>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 483fb74bc592..dccdb822328c 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -19,6 +19,7 @@
* included with this package. *
*******************************************************************/
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <asm/unaligned.h>
@@ -620,23 +621,40 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
struct lpfc_scsi_buf *psb, *next_psb;
unsigned long iflag = 0;
+ struct lpfc_iocbq *iocbq;
+ int i;
- spin_lock_irqsave(&phba->sli4_hba.abts_scsi_buf_list_lock, iflag);
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
list_for_each_entry_safe(psb, next_psb,
&phba->sli4_hba.lpfc_abts_scsi_buf_list, list) {
if (psb->cur_iocbq.sli4_xritag == xri) {
list_del(&psb->list);
psb->exch_busy = 0;
psb->status = IOSTAT_SUCCESS;
- spin_unlock_irqrestore(
- &phba->sli4_hba.abts_scsi_buf_list_lock,
- iflag);
+ spin_unlock(
+ &phba->sli4_hba.abts_scsi_buf_list_lock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
lpfc_release_scsi_buf_s4(phba, psb);
return;
}
}
- spin_unlock_irqrestore(&phba->sli4_hba.abts_scsi_buf_list_lock,
- iflag);
+ spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+ for (i = 1; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
+
+ if (!(iocbq->iocb_flag & LPFC_IO_FCP) ||
+ (iocbq->iocb_flag & LPFC_IO_LIBDFC))
+ continue;
+ if (iocbq->sli4_xritag != xri)
+ continue;
+ psb = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+ psb->exch_busy = 0;
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
+
+ }
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
}
/**
@@ -1006,6 +1024,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
struct scatterlist *sgel = NULL;
struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl;
+ struct lpfc_iocbq *iocbq = &lpfc_cmd->cur_iocbq;
IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde;
dma_addr_t physaddr;
@@ -1056,6 +1075,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
physaddr = sg_dma_address(sgel);
if (phba->sli_rev == 3 &&
!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+ !(iocbq->iocb_flag & DSS_SECURITY_OP) &&
nseg <= LPFC_EXT_DATA_BDE_COUNT) {
data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
data_bde->tus.f.bdeSize = sg_dma_len(sgel);
@@ -1082,7 +1102,8 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
* explicitly reinitialized since all iocb memory resources are reused.
*/
if (phba->sli_rev == 3 &&
- !(phba->sli3_options & LPFC_SLI3_BG_ENABLED)) {
+ !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+ !(iocbq->iocb_flag & DSS_SECURITY_OP)) {
if (num_bde > LPFC_EXT_DATA_BDE_COUNT) {
/*
* The extended IOCB format can only fit 3 BDE or a BPL.
@@ -1107,6 +1128,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
} else {
iocb_cmd->un.fcpi64.bdl.bdeSize =
((num_bde + 2) * sizeof(struct ulp_bde64));
+ iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1);
}
fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd));
@@ -2079,8 +2101,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
if (resp_info & RSP_LEN_VALID) {
rsplen = be32_to_cpu(fcprsp->rspRspLen);
- if ((rsplen != 0 && rsplen != 4 && rsplen != 8) ||
- (fcprsp->rspInfo3 != RSP_NO_FAILURE)) {
+ if (rsplen != 0 && rsplen != 4 && rsplen != 8) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
"2719 Invalid response length: "
"tgt x%x lun x%x cmnd x%x rsplen x%x\n",
@@ -2090,6 +2111,17 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
host_status = DID_ERROR;
goto out;
}
+ if (fcprsp->rspInfo3 != RSP_NO_FAILURE) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
+ "2757 Protocol failure detected during "
+ "processing of FCP I/O op: "
+ "tgt x%x lun x%x cmnd x%x rspInfo3 x%x\n",
+ cmnd->device->id,
+ cmnd->device->lun, cmnd->cmnd[0],
+ fcprsp->rspInfo3);
+ host_status = DID_ERROR;
+ goto out;
+ }
}
if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 35e3b96d4e07..049fb9a17b3f 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -23,6 +23,7 @@
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -494,7 +495,7 @@ __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
*
* Returns sglq ponter = success, NULL = Failure.
**/
-static struct lpfc_sglq *
+struct lpfc_sglq *
__lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
{
uint16_t adj_xri;
@@ -526,6 +527,7 @@ __lpfc_sli_get_sglq(struct lpfc_hba *phba)
return NULL;
adj_xri = sglq->sli4_xritag - phba->sli4_hba.max_cfg_param.xri_base;
phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = sglq;
+ sglq->state = SGL_ALLOCATED;
return sglq;
}
@@ -580,15 +582,18 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
else
sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_xritag);
if (sglq) {
- if (iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) {
+ if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) &&
+ (sglq->state != SGL_XRI_ABORTED)) {
spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock,
iflag);
list_add(&sglq->list,
&phba->sli4_hba.lpfc_abts_els_sgl_list);
spin_unlock_irqrestore(
&phba->sli4_hba.abts_sgl_list_lock, iflag);
- } else
+ } else {
+ sglq->state = SGL_FREED;
list_add(&sglq->list, &phba->sli4_hba.lpfc_sgl_list);
+ }
}
@@ -2258,41 +2263,56 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
spin_unlock_irqrestore(&phba->hbalock,
iflag);
}
- if ((phba->sli_rev == LPFC_SLI_REV4) &&
- (saveq->iocb_flag & LPFC_EXCHANGE_BUSY)) {
- /* Set cmdiocb flag for the exchange
- * busy so sgl (xri) will not be
- * released until the abort xri is
- * received from hba, clear the
- * LPFC_DRIVER_ABORTED bit in case
- * it was driver initiated abort.
- */
- spin_lock_irqsave(&phba->hbalock,
- iflag);
- cmdiocbp->iocb_flag &=
- ~LPFC_DRIVER_ABORTED;
- cmdiocbp->iocb_flag |=
- LPFC_EXCHANGE_BUSY;
- spin_unlock_irqrestore(&phba->hbalock,
- iflag);
- cmdiocbp->iocb.ulpStatus =
- IOSTAT_LOCAL_REJECT;
- cmdiocbp->iocb.un.ulpWord[4] =
- IOERR_ABORT_REQUESTED;
- /*
- * For SLI4, irsiocb contains NO_XRI
- * in sli_xritag, it shall not affect
- * releasing sgl (xri) process.
- */
- saveq->iocb.ulpStatus =
- IOSTAT_LOCAL_REJECT;
- saveq->iocb.un.ulpWord[4] =
- IOERR_SLI_ABORTED;
- spin_lock_irqsave(&phba->hbalock,
- iflag);
- saveq->iocb_flag |= LPFC_DELAY_MEM_FREE;
- spin_unlock_irqrestore(&phba->hbalock,
- iflag);
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ if (saveq->iocb_flag &
+ LPFC_EXCHANGE_BUSY) {
+ /* Set cmdiocb flag for the
+ * exchange busy so sgl (xri)
+ * will not be released until
+ * the abort xri is received
+ * from hba.
+ */
+ spin_lock_irqsave(
+ &phba->hbalock, iflag);
+ cmdiocbp->iocb_flag |=
+ LPFC_EXCHANGE_BUSY;
+ spin_unlock_irqrestore(
+ &phba->hbalock, iflag);
+ }
+ if (cmdiocbp->iocb_flag &
+ LPFC_DRIVER_ABORTED) {
+ /*
+ * Clear LPFC_DRIVER_ABORTED
+ * bit in case it was driver
+ * initiated abort.
+ */
+ spin_lock_irqsave(
+ &phba->hbalock, iflag);
+ cmdiocbp->iocb_flag &=
+ ~LPFC_DRIVER_ABORTED;
+ spin_unlock_irqrestore(
+ &phba->hbalock, iflag);
+ cmdiocbp->iocb.ulpStatus =
+ IOSTAT_LOCAL_REJECT;
+ cmdiocbp->iocb.un.ulpWord[4] =
+ IOERR_ABORT_REQUESTED;
+ /*
+ * For SLI4, irsiocb contains
+ * NO_XRI in sli_xritag, it
+ * shall not affect releasing
+ * sgl (xri) process.
+ */
+ saveq->iocb.ulpStatus =
+ IOSTAT_LOCAL_REJECT;
+ saveq->iocb.un.ulpWord[4] =
+ IOERR_SLI_ABORTED;
+ spin_lock_irqsave(
+ &phba->hbalock, iflag);
+ saveq->iocb_flag |=
+ LPFC_DELAY_MEM_FREE;
+ spin_unlock_irqrestore(
+ &phba->hbalock, iflag);
+ }
}
}
(cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
@@ -2515,14 +2535,16 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
&rspiocbq);
- if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
- spin_unlock_irqrestore(&phba->hbalock,
- iflag);
- (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
- &rspiocbq);
- spin_lock_irqsave(&phba->hbalock,
- iflag);
- }
+ if (unlikely(!cmdiocbq))
+ break;
+ if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED)
+ cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
+ if (cmdiocbq->iocb_cmpl) {
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
+ &rspiocbq);
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ }
break;
case LPFC_UNSOL_IOCB:
spin_unlock_irqrestore(&phba->hbalock, iflag);
@@ -3091,6 +3113,12 @@ lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask)
/* Check to see if any errors occurred during init */
if ((status & HS_FFERM) || (i >= 20)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "2751 Adapter failed to restart, "
+ "status reg x%x, FW Data: A8 x%x AC x%x\n",
+ status,
+ readl(phba->MBslimaddr + 0xa8),
+ readl(phba->MBslimaddr + 0xac));
phba->link_state = LPFC_HBA_ERROR;
retval = 1;
}
@@ -3278,6 +3306,9 @@ lpfc_sli_brdkill(struct lpfc_hba *phba)
if (retval != MBX_SUCCESS) {
if (retval != MBX_BUSY)
mempool_free(pmb, phba->mbox_mem_pool);
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2752 KILL_BOARD command failed retval %d\n",
+ retval);
spin_lock_irq(&phba->hbalock);
phba->link_flag &= ~LS_IGNORE_ERATT;
spin_unlock_irq(&phba->hbalock);
@@ -4035,7 +4066,7 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba)
lpfc_sli_hba_setup_error:
phba->link_state = LPFC_HBA_ERROR;
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0445 Firmware initialization failed\n");
return rc;
}
@@ -4388,7 +4419,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
spin_unlock_irq(&phba->hbalock);
/* Read the port's service parameters. */
- lpfc_read_sparam(phba, mboxq, vport->vpi);
+ rc = lpfc_read_sparam(phba, mboxq, vport->vpi);
+ if (rc) {
+ phba->link_state = LPFC_HBA_ERROR;
+ rc = -ENOMEM;
+ goto out_free_vpd;
+ }
+
mboxq->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
mp = (struct lpfc_dmabuf *) mboxq->context1;
@@ -4483,6 +4520,10 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
/* Post receive buffers to the device */
lpfc_sli4_rb_setup(phba);
+ /* Reset HBA FCF states after HBA reset */
+ phba->fcf.fcf_flag = 0;
+ phba->fcf.current_rec.flag = 0;
+
/* Start the ELS watchdog timer */
mod_timer(&vport->els_tmofunc,
jiffies + HZ * (phba->fc_ratov * 2));
@@ -7436,6 +7477,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
{
wait_queue_head_t *pdone_q;
unsigned long iflags;
+ struct lpfc_scsi_buf *lpfc_cmd;
spin_lock_irqsave(&phba->hbalock, iflags);
cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
@@ -7443,6 +7485,14 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
&rspiocbq->iocb, sizeof(IOCB_t));
+ /* Set the exchange busy flag for task management commands */
+ if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) &&
+ !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) {
+ lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf,
+ cur_iocbq);
+ lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY;
+ }
+
pdone_q = cmdiocbq->context_un.wait_queue;
if (pdone_q)
wake_up(pdone_q);
@@ -9061,6 +9111,12 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba,
/* Fake the irspiocb and copy necessary response information */
lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe);
+ if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) {
+ spin_lock_irqsave(&phba->hbalock, iflags);
+ cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ }
+
/* Pass the cmd_iocb and the rsp state to the upper layer */
(cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq);
}
@@ -11941,15 +11997,19 @@ lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba,
}
/**
- * lpfc_sli4_read_fcf_record - Read the driver's default FCF Record.
+ * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
* @phba: pointer to lpfc hba data structure.
* @fcf_index: FCF table entry offset.
*
- * This routine is invoked to read up to @fcf_num of FCF record from the
- * device starting with the given @fcf_index.
+ * This routine is invoked to scan the entire FCF table by reading FCF
+ * record and processing it one at a time starting from the @fcf_index
+ * for initial FCF discovery or fast FCF failover rediscovery.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
**/
int
-lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
+lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
{
int rc = 0, error;
LPFC_MBOXQ_t *mboxq;
@@ -11961,17 +12021,17 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
"2000 Failed to allocate mbox for "
"READ_FCF cmd\n");
error = -ENOMEM;
- goto fail_fcfscan;
+ goto fail_fcf_scan;
}
/* Construct the read FCF record mailbox command */
- rc = lpfc_sli4_mbx_read_fcf_record(phba, mboxq, fcf_index);
+ rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
if (rc) {
error = -EINVAL;
- goto fail_fcfscan;
+ goto fail_fcf_scan;
}
/* Issue the mailbox command asynchronously */
mboxq->vport = phba->pport;
- mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
+ mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
error = -EIO;
@@ -11979,9 +12039,13 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
spin_lock_irq(&phba->hbalock);
phba->hba_flag |= FCF_DISC_INPROGRESS;
spin_unlock_irq(&phba->hbalock);
+ /* Reset FCF round robin index bmask for new scan */
+ if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
+ memset(phba->fcf.fcf_rr_bmask, 0,
+ sizeof(*phba->fcf.fcf_rr_bmask));
error = 0;
}
-fail_fcfscan:
+fail_fcf_scan:
if (error) {
if (mboxq)
lpfc_sli4_mbox_cmd_free(phba, mboxq);
@@ -11994,6 +12058,181 @@ fail_fcfscan:
}
/**
+ * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for round robin fcf.
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_index: FCF table entry offset.
+ *
+ * This routine is invoked to read an FCF record indicated by @fcf_index
+ * and to use it for FLOGI round robin FCF failover.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
+ **/
+int
+lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+ int rc = 0, error;
+ LPFC_MBOXQ_t *mboxq;
+
+ mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mboxq) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
+ "2763 Failed to allocate mbox for "
+ "READ_FCF cmd\n");
+ error = -ENOMEM;
+ goto fail_fcf_read;
+ }
+ /* Construct the read FCF record mailbox command */
+ rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
+ if (rc) {
+ error = -EINVAL;
+ goto fail_fcf_read;
+ }
+ /* Issue the mailbox command asynchronously */
+ mboxq->vport = phba->pport;
+ mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec;
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED)
+ error = -EIO;
+ else
+ error = 0;
+
+fail_fcf_read:
+ if (error && mboxq)
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return error;
+}
+
+/**
+ * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_index: FCF table entry offset.
+ *
+ * This routine is invoked to read an FCF record indicated by @fcf_index to
+ * determine whether it's eligible for FLOGI round robin failover list.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
+ **/
+int
+lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+ int rc = 0, error;
+ LPFC_MBOXQ_t *mboxq;
+
+ mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mboxq) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
+ "2758 Failed to allocate mbox for "
+ "READ_FCF cmd\n");
+ error = -ENOMEM;
+ goto fail_fcf_read;
+ }
+ /* Construct the read FCF record mailbox command */
+ rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
+ if (rc) {
+ error = -EINVAL;
+ goto fail_fcf_read;
+ }
+ /* Issue the mailbox command asynchronously */
+ mboxq->vport = phba->pport;
+ mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec;
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED)
+ error = -EIO;
+ else
+ error = 0;
+
+fail_fcf_read:
+ if (error && mboxq)
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return error;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to get the next eligible FCF record index in a round
+ * robin fashion. If the next eligible FCF record index equals to the
+ * initial round robin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
+ * shall be returned, otherwise, the next eligible FCF record's index
+ * shall be returned.
+ **/
+uint16_t
+lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
+{
+ uint16_t next_fcf_index;
+
+ /* Search from the currently registered FCF index */
+ next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
+ LPFC_SLI4_FCF_TBL_INDX_MAX,
+ phba->fcf.current_rec.fcf_indx);
+ /* Wrap around condition on phba->fcf.fcf_rr_bmask */
+ if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX)
+ next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
+ LPFC_SLI4_FCF_TBL_INDX_MAX, 0);
+ /* Round robin failover stop condition */
+ if (next_fcf_index == phba->fcf.fcf_rr_init_indx)
+ return LPFC_FCOE_FCF_NEXT_NONE;
+
+ return next_fcf_index;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine sets the FCF record index in to the eligible bmask for
+ * round robin failover search. It checks to make sure that the index
+ * does not go beyond the range of the driver allocated bmask dimension
+ * before setting the bit.
+ *
+ * Returns 0 if the index bit successfully set, otherwise, it returns
+ * -EINVAL.
+ **/
+int
+lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+ if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+ "2610 HBA FCF index reached driver's "
+ "book keeping dimension: fcf_index:%d, "
+ "driver_bmask_max:%d\n",
+ fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
+ return -EINVAL;
+ }
+ /* Set the eligible FCF record index bmask */
+ set_bit(fcf_index, phba->fcf.fcf_rr_bmask);
+
+ return 0;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_index_set - Clear bmask from eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine clears the FCF record index from the eligible bmask for
+ * round robin failover search. It checks to make sure that the index
+ * does not go beyond the range of the driver allocated bmask dimension
+ * before clearing the bit.
+ **/
+void
+lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+ if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+ "2762 HBA FCF index goes beyond driver's "
+ "book keeping dimension: fcf_index:%d, "
+ "driver_bmask_max:%d\n",
+ fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
+ return;
+ }
+ /* Clear the eligible FCF record index bmask */
+ clear_bit(fcf_index, phba->fcf.fcf_rr_bmask);
+}
+
+/**
* lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
* @phba: pointer to lpfc hba data structure.
*
@@ -12014,21 +12253,40 @@ lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
&redisc_fcf->header.cfg_shdr.response);
if (shdr_status || shdr_add_status) {
- lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2746 Requesting for FCF rediscovery failed "
"status x%x add_status x%x\n",
shdr_status, shdr_add_status);
- /*
- * Request failed, last resort to re-try current
- * registered FCF entry
- */
- lpfc_retry_pport_discovery(phba);
- } else
+ if (phba->fcf.fcf_flag & FCF_ACVL_DISC) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * CVL event triggered FCF rediscover request failed,
+ * last resort to re-try current registered FCF entry.
+ */
+ lpfc_retry_pport_discovery(phba);
+ } else {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * DEAD FCF event triggered FCF rediscover request
+ * failed, last resort to fail over as a link down
+ * to FCF registration.
+ */
+ lpfc_sli4_fcf_dead_failthrough(phba);
+ }
+ } else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2775 Start FCF rediscovery quiescent period "
+ "wait timer before scaning FCF table\n");
/*
* Start FCF rediscovery wait timer for pending FCF
* before rescan FCF record table.
*/
lpfc_fcf_redisc_wait_start_timer(phba);
+ }
mempool_free(mbox, phba->mbox_mem_pool);
}
@@ -12047,6 +12305,9 @@ lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
int rc, length;
+ /* Cancel retry delay timers to all vports before FCF rediscover */
+ lpfc_cancel_all_vport_retry_delay_timer(phba);
+
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
@@ -12078,6 +12339,31 @@ lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
}
/**
+ * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This function is the failover routine as a last resort to the FCF DEAD
+ * event when driver failed to perform fast FCF failover.
+ **/
+void
+lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba)
+{
+ uint32_t link_state;
+
+ /*
+ * Last resort as FCF DEAD event failover will treat this as
+ * a link down, but save the link state because we don't want
+ * it to be changed to Link Down unless it is already down.
+ */
+ link_state = phba->link_state;
+ lpfc_linkdown(phba);
+ phba->link_state = link_state;
+
+ /* Unregister FCF if no devices connected to it */
+ lpfc_unregister_unused_fcf(phba);
+}
+
+/**
* lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
* @phba: pointer to lpfc hba data structure.
*
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index dfcf5437d1f5..b4a639c47616 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -62,6 +62,7 @@ struct lpfc_iocbq {
#define LPFC_DELAY_MEM_FREE 0x20 /* Defer free'ing of FC data */
#define LPFC_EXCHANGE_BUSY 0x40 /* SLI4 hba reported XB in response */
#define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */
+#define DSS_SECURITY_OP 0x100 /* security IO */
#define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */
#define LPFC_FIP_ELS_ID_SHIFT 14
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 86308836600f..4a35e7b9bc5b 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -153,15 +153,27 @@ struct lpfc_fcf {
#define FCF_REGISTERED 0x02 /* FCF registered with FW */
#define FCF_SCAN_DONE 0x04 /* FCF table scan done */
#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
-#define FCF_REDISC_PEND 0x10 /* FCF rediscovery pending */
-#define FCF_REDISC_EVT 0x20 /* FCF rediscovery event to worker thread */
-#define FCF_REDISC_FOV 0x40 /* Post FCF rediscovery fast failover */
+#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
+#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
+#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
+#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
+#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
+#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
+#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
uint32_t addr_mode;
+ uint16_t fcf_rr_init_indx;
struct lpfc_fcf_rec current_rec;
struct lpfc_fcf_rec failover_rec;
struct timer_list redisc_wait;
+ unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
};
+/*
+ * Maximum FCF table index, it is for driver internal book keeping, it
+ * just needs to be no less than the supported HBA's FCF table size.
+ */
+#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
+
#define LPFC_REGION23_SIGNATURE "RG23"
#define LPFC_REGION23_VERSION 1
#define LPFC_REGION23_LAST_REC 0xff
@@ -431,11 +443,18 @@ enum lpfc_sge_type {
SCSI_BUFF_TYPE
};
+enum lpfc_sgl_state {
+ SGL_FREED,
+ SGL_ALLOCATED,
+ SGL_XRI_ABORTED
+};
+
struct lpfc_sglq {
/* lpfc_sglqs are used in double linked lists */
struct list_head list;
struct list_head clist;
enum lpfc_sge_type buff_type; /* is this a scsi sgl */
+ enum lpfc_sgl_state state;
uint16_t iotag; /* pre-assigned IO tag */
uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
struct sli4_sge *sgl; /* pre-assigned SGL */
@@ -463,8 +482,8 @@ void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
struct lpfc_mbx_sge *);
-int lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *, struct lpfcMboxq *,
- uint16_t);
+int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
+ uint16_t);
void lpfc_sli4_hba_reset(struct lpfc_hba *);
struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
@@ -523,8 +542,13 @@ int lpfc_sli4_init_vpi(struct lpfc_hba *, uint16_t);
uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
-int lpfc_sli4_read_fcf_record(struct lpfc_hba *, uint16_t);
-void lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
+void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
int lpfc_sli4_post_status_check(struct lpfc_hba *);
uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ac276aa46fba..013deec5dae8 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.3.9"
+#define LPFC_DRIVER_VERSION "8.3.10"
#define LPFC_DRIVER_NAME "lpfc"
#define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp"
#define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp"
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index dc86e873102a..ffd575c379f3 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/kthread.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <scsi/scsi.h>
@@ -123,7 +124,12 @@ lpfc_vport_sparm(struct lpfc_hba *phba, struct lpfc_vport *vport)
}
mb = &pmb->u.mb;
- lpfc_read_sparam(phba, pmb, vport->vpi);
+ rc = lpfc_read_sparam(phba, pmb, vport->vpi);
+ if (rc) {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -ENOMEM;
+ }
+
/*
* Grab buffer pointer and clear context1 so we can use
* lpfc_sli_issue_box_wait
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 18:14:36 +0300