diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/fc/fc_ms.h | 4 | ||||
| -rw-r--r-- | include/scsi/libfc.h | 9 | ||||
| -rw-r--r-- | include/scsi/libiscsi.h | 13 | ||||
| -rw-r--r-- | include/scsi/libsas.h | 56 | ||||
| -rw-r--r-- | include/scsi/sas.h | 9 | ||||
| -rw-r--r-- | include/scsi/sas_ata.h | 14 | ||||
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 40 | ||||
| -rw-r--r-- | include/scsi/scsi_device.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_driver.h | 9 | ||||
| -rw-r--r-- | include/scsi/scsi_eh.h | 4 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 3 | ||||
| -rw-r--r-- | include/scsi/scsi_request.h | 31 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 9 | ||||
| -rw-r--r-- | include/scsi/viosrp.h | 17 |
14 files changed, 128 insertions, 91 deletions
diff --git a/include/scsi/fc/fc_ms.h b/include/scsi/fc/fc_ms.h index 00191695233a..56a5d2b5a624 100644 --- a/include/scsi/fc/fc_ms.h +++ b/include/scsi/fc/fc_ms.h @@ -158,7 +158,7 @@ struct fc_fdmi_port_name { struct fc_fdmi_attr_entry { __be16 type; __be16 len; - __u8 value[1]; + __u8 value[]; } __attribute__((__packed__)); /* @@ -166,7 +166,7 @@ struct fc_fdmi_attr_entry { */ struct fs_fdmi_attrs { __be32 numattrs; - struct fc_fdmi_attr_entry attr[1]; + struct fc_fdmi_attr_entry attr[]; } __attribute__((__packed__)); /* diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index eeb8d689ff6b..6e29e1719db1 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -352,6 +352,15 @@ struct fc_fcp_pkt { } ____cacheline_aligned_in_smp; /* + * @fsp should be tested and set under the scsi_pkt_queue lock + */ +struct libfc_cmd_priv { + struct fc_fcp_pkt *fsp; + u32 resid_len; + u8 status; +}; + +/* * Structure and function definitions for managing Fibre Channel Exchanges * and Sequences * diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 4ee233e5a6ff..e76c94697c1b 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -19,6 +19,7 @@ #include <linux/refcount.h> #include <scsi/iscsi_proto.h> #include <scsi/iscsi_if.h> +#include <scsi/scsi_cmnd.h> #include <scsi/scsi_transport_iscsi.h> struct scsi_transport_template; @@ -152,6 +153,17 @@ static inline bool iscsi_task_is_completed(struct iscsi_task *task) task->state == ISCSI_TASK_ABRT_SESS_RECOV; } +/* Private data associated with struct scsi_cmnd. */ +struct iscsi_cmd { + struct iscsi_task *task; + int age; +}; + +static inline struct iscsi_cmd *iscsi_cmd(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + /* Connection's states */ enum { ISCSI_CONN_INITIAL_STAGE, @@ -371,7 +383,6 @@ struct iscsi_host { int state; struct workqueue_struct *workq; - char workq_name[20]; }; /* diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 698f2032807b..ff04eb6d250b 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -492,7 +492,6 @@ enum exec_status { SAS_INTERRUPTED, SAS_QUEUE_FULL, SAS_DEVICE_UNKNOWN, - SAS_SG_ERR, SAS_OPEN_REJECT, SAS_OPEN_TO, SAS_PROTO_RESPONSE, @@ -553,6 +552,21 @@ struct sas_ata_task { u8 stp_affil_pol:1; u8 device_control_reg_update:1; + + bool force_phy; + int force_phy_id; +}; + +/* LLDDs rely on these values */ +enum sas_internal_abort { + SAS_INTERNAL_ABORT_SINGLE = 0, + SAS_INTERNAL_ABORT_DEV = 1, +}; + +struct sas_internal_abort_task { + enum sas_internal_abort type; + unsigned int qid; + u16 tag; }; struct sas_smp_task { @@ -577,6 +591,11 @@ struct sas_ssp_task { struct scsi_cmnd *cmd; }; +struct sas_tmf_task { + u8 tmf; + u16 tag_of_task_to_be_managed; +}; + struct sas_task { struct domain_device *dev; @@ -589,6 +608,7 @@ struct sas_task { struct sas_ata_task ata_task; struct sas_smp_task smp_task; struct sas_ssp_task ssp_task; + struct sas_internal_abort_task abort_task; }; struct scatterlist *scatter; @@ -602,6 +622,7 @@ struct sas_task { void *lldd_task; /* for use by LLDDs */ void *uldd_task; struct sas_task_slow *slow_task; + struct sas_tmf_task *tmf; }; struct sas_task_slow { @@ -617,12 +638,16 @@ struct sas_task_slow { #define SAS_TASK_STATE_DONE 2 #define SAS_TASK_STATE_ABORTED 4 #define SAS_TASK_NEED_DEV_RESET 8 -#define SAS_TASK_AT_INITIATOR 16 extern struct sas_task *sas_alloc_task(gfp_t flags); extern struct sas_task *sas_alloc_slow_task(gfp_t flags); extern void sas_free_task(struct sas_task *task); +static inline bool sas_is_internal_abort(struct sas_task *task) +{ + return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT; +} + struct sas_domain_function_template { /* The class calls these to notify the LLDD of an event. */ void (*lldd_port_formed)(struct asd_sas_phy *); @@ -637,7 +662,6 @@ struct sas_domain_function_template { /* Task Management Functions. Must be called from process context. */ int (*lldd_abort_task)(struct sas_task *); int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); - int (*lldd_clear_aca)(struct domain_device *, u8 *lun); int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); int (*lldd_I_T_nexus_reset)(struct domain_device *); int (*lldd_ata_check_ready)(struct domain_device *); @@ -645,6 +669,11 @@ struct sas_domain_function_template { int (*lldd_lu_reset)(struct domain_device *, u8 *lun); int (*lldd_query_task)(struct sas_task *); + /* Special TMF callbacks */ + void (*lldd_tmf_exec_complete)(struct domain_device *dev); + void (*lldd_tmf_aborted)(struct sas_task *task); + bool (*lldd_abort_timeout)(struct sas_task *task, void *data); + /* Port and Adapter management */ int (*lldd_clear_nexus_port)(struct asd_sas_port *); int (*lldd_clear_nexus_ha)(struct sas_ha_struct *); @@ -673,6 +702,11 @@ extern int sas_slave_configure(struct scsi_device *); extern int sas_change_queue_depth(struct scsi_device *, int new_depth); extern int sas_bios_param(struct scsi_device *, struct block_device *, sector_t capacity, int *hsc); +int sas_execute_internal_abort_single(struct domain_device *device, + u16 tag, unsigned int qid, + void *data); +int sas_execute_internal_abort_dev(struct domain_device *device, + unsigned int qid, void *data); extern struct scsi_transport_template * sas_domain_attach_transport(struct sas_domain_function_template *); extern struct device_attribute dev_attr_phy_event_threshold; @@ -685,7 +719,7 @@ int sas_ex_revalidate_domain(struct domain_device *); void sas_unregister_domain_devices(struct asd_sas_port *port, int gone); void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *); -int sas_discover_event(struct asd_sas_port *, enum discover_event ev); +void sas_discover_event(struct asd_sas_port *, enum discover_event ev); int sas_discover_sata(struct domain_device *); int sas_discover_end_dev(struct domain_device *); @@ -711,9 +745,15 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev); int sas_request_addr(struct Scsi_Host *shost, u8 *addr); -int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, - gfp_t gfp_flags); -int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, - gfp_t gfp_flags); +int sas_abort_task_set(struct domain_device *dev, u8 *lun); +int sas_clear_task_set(struct domain_device *dev, u8 *lun); +int sas_lu_reset(struct domain_device *dev, u8 *lun); +int sas_query_task(struct sas_task *task, u16 tag); +int sas_abort_task(struct sas_task *task, u16 tag); + +void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, + gfp_t gfp_flags); +void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, + gfp_t gfp_flags); #endif /* _SASLIB_H_ */ diff --git a/include/scsi/sas.h b/include/scsi/sas.h index 64154c1fed02..acfc69fd72d0 100644 --- a/include/scsi/sas.h +++ b/include/scsi/sas.h @@ -95,6 +95,8 @@ enum sas_protocol { SAS_PROTOCOL_SSP = 0x08, SAS_PROTOCOL_ALL = 0x0E, SAS_PROTOCOL_STP_ALL = SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA, + /* these are internal to libsas */ + SAS_PROTOCOL_INTERNAL_ABORT = 0x10, }; /* From the spec; local phys only */ @@ -191,6 +193,13 @@ enum sas_gpio_reg_type { SAS_GPIO_REG_TX_GP = 4, }; +/* Response frame DATAPRES field */ +enum { + SAS_DATAPRES_NO_DATA = 0, + SAS_DATAPRES_RESPONSE_DATA = 1, + SAS_DATAPRES_SENSE_DATA = 2, +}; + struct dev_to_host_fis { u8 fis_type; /* 0x34 */ u8 flags; diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h index 416c9c47d0e7..d47dea70855d 100644 --- a/include/scsi/sas_ata.h +++ b/include/scsi/sas_ata.h @@ -25,14 +25,15 @@ int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy); int sas_ata_init(struct domain_device *dev); void sas_ata_task_abort(struct sas_task *task); void sas_ata_strategy_handler(struct Scsi_Host *shost); -void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q); +void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q); void sas_ata_schedule_reset(struct domain_device *dev); void sas_ata_wait_eh(struct domain_device *dev); void sas_probe_sata(struct asd_sas_port *port); void sas_suspend_sata(struct asd_sas_port *port); void sas_resume_sata(struct asd_sas_port *port); void sas_ata_end_eh(struct ata_port *ap); +int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, + int force_phy_id); #else @@ -52,8 +53,7 @@ static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) { } -static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q) +static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) { } @@ -85,6 +85,12 @@ static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy static inline void sas_ata_end_eh(struct ata_port *ap) { } + +static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, + int force_phy_id) +{ + return 0; +} #endif #endif /* _SAS_ATA_H_ */ diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 6794d7322cbd..1e80e70dfa92 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -10,10 +10,8 @@ #include <linux/timer.h> #include <linux/scatterlist.h> #include <scsi/scsi_device.h> -#include <scsi/scsi_request.h> struct Scsi_Host; -struct scsi_driver; /* * MAX_COMMAND_SIZE is: @@ -28,9 +26,6 @@ struct scsi_driver; * supports without specifying a cmd_len by ULD's */ #define MAX_COMMAND_SIZE 16 -#if (MAX_COMMAND_SIZE > BLK_MAX_CDB) -# error MAX_COMMAND_SIZE can not be bigger than BLK_MAX_CDB -#endif struct scsi_data_buffer { struct sg_table table; @@ -71,7 +66,6 @@ enum scsi_cmnd_submitter { } __packed; struct scsi_cmnd { - struct scsi_request req; struct scsi_device *device; struct list_head eh_entry; /* entry for the host eh_abort_list/eh_cmd_q */ struct delayed_work abort_work; @@ -100,9 +94,7 @@ struct scsi_cmnd { unsigned short cmd_len; enum dma_data_direction sc_data_direction; - /* These elements define the operation we are about to perform */ - unsigned char *cmnd; - + unsigned char cmnd[32]; /* SCSI CDB */ /* These elements define the operation we ultimately want to perform */ struct scsi_data_buffer sdb; @@ -116,18 +108,23 @@ struct scsi_cmnd { (ie, between disconnect / reconnects. Probably == sector size */ - + unsigned resid_len; /* residual count */ + unsigned sense_len; unsigned char *sense_buffer; /* obtained by REQUEST SENSE when * CHECK CONDITION is received on original * command (auto-sense). Length must be * SCSI_SENSE_BUFFERSIZE bytes. */ + int flags; /* Command flags */ + unsigned long state; /* Command completion state */ + + unsigned int extra_len; /* length of alignment and padding */ + /* - * The following fields can be written to by the host specific code. - * Everything else should be left alone. + * The fields below can be modified by the LLD but the fields above + * must not be modified. */ - struct scsi_pointer SCp; /* Scratchpad used by some host adapters */ unsigned char *host_scribble; /* The host adapter is allowed to * call scsi_malloc and get some memory @@ -138,10 +135,6 @@ struct scsi_cmnd { * to be at an address < 16Mb). */ int result; /* Status code from lower level driver */ - int flags; /* Command flags */ - unsigned long state; /* Command completion state */ - - unsigned int extra_len; /* length of alignment and padding */ }; /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */ @@ -159,15 +152,8 @@ static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd) return cmd + 1; } -/* make sure not to use it with passthrough commands */ -static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) -{ - struct request *rq = scsi_cmd_to_rq(cmd); - - return *(struct scsi_driver **)rq->q->disk->private_data; -} - void scsi_done(struct scsi_cmnd *cmd); +void scsi_done_direct(struct scsi_cmnd *cmd); extern void scsi_finish_command(struct scsi_cmnd *cmd); @@ -203,12 +189,12 @@ static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd) static inline void scsi_set_resid(struct scsi_cmnd *cmd, unsigned int resid) { - cmd->req.resid_len = resid; + cmd->resid_len = resid; } static inline unsigned int scsi_get_resid(struct scsi_cmnd *cmd) { - return cmd->req.resid_len; + return cmd->resid_len; } #define scsi_for_each_sg(cmd, sg, nseg, __i) \ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 647c53b26105..57e3e239a1fc 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -206,6 +206,7 @@ struct scsi_device { unsigned rpm_autosuspend:1; /* Enable runtime autosuspend at device * creation time */ unsigned ignore_media_change:1; /* Ignore MEDIA CHANGE on resume */ + unsigned silence_suspend:1; /* Do not print runtime PM related messages */ unsigned int queue_stopped; /* request queue is quiesced */ bool offline_already; /* Device offline message logged */ diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 6dffa8555a39..4ce1988b2ba0 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -4,11 +4,10 @@ #include <linux/blk_types.h> #include <linux/device.h> +#include <scsi/scsi_cmnd.h> struct module; struct request; -struct scsi_cmnd; -struct scsi_device; struct scsi_driver { struct device_driver gendrv; @@ -31,4 +30,10 @@ extern int scsi_register_interface(struct class_interface *); #define scsi_unregister_interface(intf) \ class_interface_unregister(intf) +/* make sure not to use it with passthrough commands */ +static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) +{ + return to_scsi_driver(cmd->device->sdev_gendev.driver); +} + #endif /* _SCSI_SCSI_DRIVER_H */ diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 468094254b3c..1ae08e81339f 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -38,10 +38,8 @@ struct scsi_eh_save { unsigned underflow; unsigned char cmd_len; unsigned char prot_op; - unsigned char *cmnd; + unsigned char cmnd[32]; struct scsi_data_buffer sdb; - /* new command support */ - unsigned char eh_cmnd[BLK_MAX_CDB]; struct scatterlist sense_sgl; }; diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 72e1a347baa6..667d889b92b5 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -16,7 +16,6 @@ struct completion; struct module; struct scsi_cmnd; struct scsi_device; -struct scsi_host_cmd_pool; struct scsi_target; struct Scsi_Host; struct scsi_transport_template; @@ -493,8 +492,6 @@ struct scsi_host_template { */ u64 vendor_id; - struct scsi_host_cmd_pool *cmd_pool; - /* Delay for runtime autosuspend */ int rpm_autosuspend_delay; }; diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h deleted file mode 100644 index 9129b23e12bc..000000000000 --- a/include/scsi/scsi_request.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _SCSI_SCSI_REQUEST_H -#define _SCSI_SCSI_REQUEST_H - -#include <linux/blk-mq.h> - -#define BLK_MAX_CDB 16 - -struct scsi_request { - unsigned char __cmd[BLK_MAX_CDB]; - unsigned char *cmd; - unsigned short cmd_len; - int result; - unsigned int sense_len; - unsigned int resid_len; /* residual count */ - int retries; - void *sense; -}; - -static inline struct scsi_request *scsi_req(struct request *rq) -{ - return blk_mq_rq_to_pdu(rq); -} - -static inline void scsi_req_free_cmd(struct scsi_request *req) -{ - if (req->cmd != req->__cmd) - kfree(req->cmd); -} - -#endif /* _SCSI_SCSI_REQUEST_H */ diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index c5d7810fd792..38e4a67f5922 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -251,6 +251,8 @@ struct iscsi_cls_session { bool recovery_tmo_sysfs_override; struct delayed_work recovery_work; + struct workqueue_struct *workq; + unsigned int target_id; bool ida_used; @@ -278,7 +280,6 @@ struct iscsi_cls_session { iscsi_dev_to_session(_stgt->dev.parent) struct iscsi_cls_host { - atomic_t nr_scans; struct mutex mutex; struct request_queue *bsg_q; uint32_t port_speed; @@ -441,14 +442,14 @@ extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost, unsigned int target_id); extern void iscsi_remove_session(struct iscsi_cls_session *session); extern void iscsi_free_session(struct iscsi_cls_session *session); -extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, +extern struct iscsi_cls_conn *iscsi_alloc_conn(struct iscsi_cls_session *sess, int dd_size, uint32_t cid); +extern int iscsi_add_conn(struct iscsi_cls_conn *conn); +extern void iscsi_remove_conn(struct iscsi_cls_conn *conn); extern void iscsi_put_conn(struct iscsi_cls_conn *conn); extern void iscsi_get_conn(struct iscsi_cls_conn *conn); -extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); extern void iscsi_unblock_session(struct iscsi_cls_session *session); extern void iscsi_block_session(struct iscsi_cls_session *session); -extern int iscsi_scan_finished(struct Scsi_Host *shost, unsigned long time); extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size); extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep); extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle); diff --git a/include/scsi/viosrp.h b/include/scsi/viosrp.h index c978133c83e3..6c5559d2b285 100644 --- a/include/scsi/viosrp.h +++ b/include/scsi/viosrp.h @@ -70,12 +70,17 @@ enum viosrp_crq_status { }; struct viosrp_crq { - u8 valid; /* used by RPA */ - u8 format; /* SCSI vs out-of-band */ - u8 reserved; - u8 status; /* non-scsi failure? (e.g. DMA failure) */ - __be16 timeout; /* in seconds */ - __be16 IU_length; /* in bytes */ + union { + __be64 high; /* High 64 bits */ + struct { + u8 valid; /* used by RPA */ + u8 format; /* SCSI vs out-of-band */ + u8 reserved; + u8 status; /* non-scsi failure? (e.g. DMA failure) */ + __be16 timeout; /* in seconds */ + __be16 IU_length; /* in bytes */ + }; + }; __be64 IU_data_ptr; /* the TCE for transferring data */ }; |