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-rw-r--r--include/scsi/iscsi_proto.h2
-rw-r--r--include/scsi/libfc.h212
-rw-r--r--include/scsi/libiscsi.h2
-rw-r--r--include/scsi/scsi.h10
-rw-r--r--include/scsi/scsi_cmnd.h4
-rw-r--r--include/scsi/scsi_device.h18
-rw-r--r--include/scsi/scsi_host.h13
-rw-r--r--include/scsi/scsi_proto.h17
-rw-r--r--include/scsi/scsi_request.h30
-rw-r--r--include/scsi/scsi_transport.h25
-rw-r--r--include/scsi/scsi_transport_fc.h63
-rw-r--r--include/scsi/scsi_transport_srp.h8
12 files changed, 132 insertions, 272 deletions
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index c1260d80ef30..df156f1d50b2 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -74,7 +74,7 @@ static inline int iscsi_sna_gte(u32 n1, u32 n2)
#define zero_data(p) {p[0]=0;p[1]=0;p[2]=0;}
/* initiator tags; opaque for target */
-typedef uint32_t __bitwise__ itt_t;
+typedef uint32_t __bitwise itt_t;
/* below makes sense only for initiator that created this tag */
#define build_itt(itt, age) ((__force itt_t)\
((itt) | ((age) << ISCSI_AGE_SHIFT)))
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 7428a53257ca..da5033dd8cbc 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -44,6 +44,11 @@
#define FC_NO_ERR 0 /* no error */
#define FC_EX_TIMEOUT 1 /* Exchange timeout */
#define FC_EX_CLOSED 2 /* Exchange closed */
+#define FC_EX_ALLOC_ERR 3 /* Exchange allocation failed */
+#define FC_EX_XMIT_ERR 4 /* Exchange transmit failed */
+#define FC_EX_ELS_RJT 5 /* ELS rejected */
+#define FC_EX_INV_LOGIN 6 /* Login not completed */
+#define FC_EX_SEQ_ERR 6 /* Exchange sequence error */
/**
* enum fc_lport_state - Local port states
@@ -350,7 +355,8 @@ struct fc_fcp_pkt {
/* Timeout/error related information */
struct timer_list timer;
- int wait_for_comp;
+ int wait_for_comp;
+ int timer_delay;
u32 recov_retry;
struct fc_seq *recov_seq;
struct completion tm_done;
@@ -385,6 +391,7 @@ struct fc_seq {
#define FC_EX_DONE (1 << 0) /* ep is completed */
#define FC_EX_RST_CLEANUP (1 << 1) /* reset is forcing completion */
+#define FC_EX_QUARANTINE (1 << 2) /* exch is quarantined */
/**
* struct fc_exch - Fibre Channel Exchange
@@ -478,37 +485,6 @@ struct libfc_function_template {
void *arg, u32 timer_msec);
/*
- * Send the FC frame payload using a new exchange and sequence.
- *
- * The exchange response handler is set in this routine to resp()
- * function pointer. It can be called in two scenarios: if a timeout
- * occurs or if a response frame is received for the exchange. The
- * fc_frame pointer in response handler will also indicate timeout
- * as error using IS_ERR related macros.
- *
- * The exchange destructor handler is also set in this routine.
- * The destructor handler is invoked by EM layer when exchange
- * is about to free, this can be used by caller to free its
- * resources along with exchange free.
- *
- * The arg is passed back to resp and destructor handler.
- *
- * The timeout value (in msec) for an exchange is set if non zero
- * timer_msec argument is specified. The timer is canceled when
- * it fires or when the exchange is done. The exchange timeout handler
- * is registered by EM layer.
- *
- * STATUS: OPTIONAL
- */
- struct fc_seq *(*exch_seq_send)(struct fc_lport *, struct fc_frame *,
- void (*resp)(struct fc_seq *,
- struct fc_frame *,
- void *),
- void (*destructor)(struct fc_seq *,
- void *),
- void *, unsigned int timer_msec);
-
- /*
* Sets up the DDP context for a given exchange id on the given
* scatterlist if LLD supports DDP for large receive.
*
@@ -537,73 +513,6 @@ struct libfc_function_template {
* STATUS: OPTIONAL
*/
void (*get_lesb)(struct fc_lport *, struct fc_els_lesb *lesb);
- /*
- * Send a frame using an existing sequence and exchange.
- *
- * STATUS: OPTIONAL
- */
- int (*seq_send)(struct fc_lport *, struct fc_seq *,
- struct fc_frame *);
-
- /*
- * Send an ELS response using information from the received frame.
- *
- * STATUS: OPTIONAL
- */
- void (*seq_els_rsp_send)(struct fc_frame *, enum fc_els_cmd,
- struct fc_seq_els_data *);
-
- /*
- * Abort an exchange and sequence. Generally called because of a
- * exchange timeout or an abort from the upper layer.
- *
- * A timer_msec can be specified for abort timeout, if non-zero
- * timer_msec value is specified then exchange resp handler
- * will be called with timeout error if no response to abort.
- *
- * STATUS: OPTIONAL
- */
- int (*seq_exch_abort)(const struct fc_seq *,
- unsigned int timer_msec);
-
- /*
- * Indicate that an exchange/sequence tuple is complete and the memory
- * allocated for the related objects may be freed.
- *
- * STATUS: OPTIONAL
- */
- void (*exch_done)(struct fc_seq *);
-
- /*
- * Start a new sequence on the same exchange/sequence tuple.
- *
- * STATUS: OPTIONAL
- */
- struct fc_seq *(*seq_start_next)(struct fc_seq *);
-
- /*
- * Set a response handler for the exchange of the sequence.
- *
- * STATUS: OPTIONAL
- */
- void (*seq_set_resp)(struct fc_seq *sp,
- void (*resp)(struct fc_seq *, struct fc_frame *,
- void *),
- void *arg);
-
- /*
- * Assign a sequence for an incoming request frame.
- *
- * STATUS: OPTIONAL
- */
- struct fc_seq *(*seq_assign)(struct fc_lport *, struct fc_frame *);
-
- /*
- * Release the reference on the sequence returned by seq_assign().
- *
- * STATUS: OPTIONAL
- */
- void (*seq_release)(struct fc_seq *);
/*
* Reset an exchange manager, completing all sequences and exchanges.
@@ -615,27 +524,6 @@ struct libfc_function_template {
void (*exch_mgr_reset)(struct fc_lport *, u32 s_id, u32 d_id);
/*
- * Flush the rport work queue. Generally used before shutdown.
- *
- * STATUS: OPTIONAL
- */
- void (*rport_flush_queue)(void);
-
- /*
- * Receive a frame for a local port.
- *
- * STATUS: OPTIONAL
- */
- void (*lport_recv)(struct fc_lport *, struct fc_frame *);
-
- /*
- * Reset the local port.
- *
- * STATUS: OPTIONAL
- */
- int (*lport_reset)(struct fc_lport *);
-
- /*
* Set the local port FC_ID.
*
* This may be provided by the LLD to allow it to be
@@ -656,54 +544,6 @@ struct libfc_function_template {
struct fc_frame *);
/*
- * Create a remote port with a given port ID
- *
- * STATUS: OPTIONAL
- */
- struct fc_rport_priv *(*rport_create)(struct fc_lport *, u32);
-
- /*
- * Initiates the RP state machine. It is called from the LP module.
- * This function will issue the following commands to the N_Port
- * identified by the FC ID provided.
- *
- * - PLOGI
- * - PRLI
- * - RTV
- *
- * STATUS: OPTIONAL
- */
- int (*rport_login)(struct fc_rport_priv *);
-
- /*
- * Logoff, and remove the rport from the transport if
- * it had been added. This will send a LOGO to the target.
- *
- * STATUS: OPTIONAL
- */
- int (*rport_logoff)(struct fc_rport_priv *);
-
- /*
- * Receive a request from a remote port.
- *
- * STATUS: OPTIONAL
- */
- void (*rport_recv_req)(struct fc_lport *, struct fc_frame *);
-
- /*
- * lookup an rport by it's port ID.
- *
- * STATUS: OPTIONAL
- */
- struct fc_rport_priv *(*rport_lookup)(const struct fc_lport *, u32);
-
- /*
- * Destroy an rport after final kref_put().
- * The argument is a pointer to the kref inside the fc_rport_priv.
- */
- void (*rport_destroy)(struct kref *);
-
- /*
* Callback routine after the remote port is logged in
*
* STATUS: OPTIONAL
@@ -969,11 +809,11 @@ static inline void fc_set_wwnn(struct fc_lport *lport, u64 wwnn)
/**
* fc_set_wwpn() - Set the World Wide Port Name of a local port
* @lport: The local port whose WWPN is to be set
- * @wwnn: The new WWPN
+ * @wwpn: The new WWPN
*/
-static inline void fc_set_wwpn(struct fc_lport *lport, u64 wwnn)
+static inline void fc_set_wwpn(struct fc_lport *lport, u64 wwpn)
{
- lport->wwpn = wwnn;
+ lport->wwpn = wwpn;
}
/**
@@ -1068,18 +908,26 @@ void fc_vport_setlink(struct fc_lport *);
void fc_vports_linkchange(struct fc_lport *);
int fc_lport_config(struct fc_lport *);
int fc_lport_reset(struct fc_lport *);
+void fc_lport_recv(struct fc_lport *lport, struct fc_frame *fp);
int fc_set_mfs(struct fc_lport *, u32 mfs);
struct fc_lport *libfc_vport_create(struct fc_vport *, int privsize);
struct fc_lport *fc_vport_id_lookup(struct fc_lport *, u32 port_id);
-int fc_lport_bsg_request(struct fc_bsg_job *);
+int fc_lport_bsg_request(struct bsg_job *);
void fc_lport_set_local_id(struct fc_lport *, u32 port_id);
void fc_lport_iterate(void (*func)(struct fc_lport *, void *), void *);
/*
* REMOTE PORT LAYER
*****************************/
-int fc_rport_init(struct fc_lport *);
void fc_rport_terminate_io(struct fc_rport *);
+struct fc_rport_priv *fc_rport_lookup(const struct fc_lport *lport,
+ u32 port_id);
+struct fc_rport_priv *fc_rport_create(struct fc_lport *, u32);
+void fc_rport_destroy(struct kref *kref);
+int fc_rport_login(struct fc_rport_priv *rdata);
+int fc_rport_logoff(struct fc_rport_priv *rdata);
+void fc_rport_recv_req(struct fc_lport *lport, struct fc_frame *fp);
+void fc_rport_flush_queue(void);
/*
* DISCOVERY LAYER
@@ -1131,6 +979,21 @@ void fc_fill_hdr(struct fc_frame *, const struct fc_frame *,
*****************************/
int fc_exch_init(struct fc_lport *);
void fc_exch_update_stats(struct fc_lport *lport);
+struct fc_seq *fc_exch_seq_send(struct fc_lport *lport,
+ struct fc_frame *fp,
+ void (*resp)(struct fc_seq *,
+ struct fc_frame *fp,
+ void *arg),
+ void (*destructor)(struct fc_seq *, void *),
+ void *arg, u32 timer_msec);
+void fc_seq_els_rsp_send(struct fc_frame *, enum fc_els_cmd,
+ struct fc_seq_els_data *);
+struct fc_seq *fc_seq_start_next(struct fc_seq *sp);
+void fc_seq_set_resp(struct fc_seq *sp,
+ void (*resp)(struct fc_seq *, struct fc_frame *, void *),
+ void *arg);
+struct fc_seq *fc_seq_assign(struct fc_lport *lport, struct fc_frame *fp);
+void fc_seq_release(struct fc_seq *sp);
struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *,
struct fc_exch_mgr *,
bool (*match)(struct fc_frame *));
@@ -1142,6 +1005,9 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *, enum fc_class class,
void fc_exch_mgr_free(struct fc_lport *);
void fc_exch_recv(struct fc_lport *, struct fc_frame *);
void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
+int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, struct fc_frame *fp);
+int fc_seq_exch_abort(const struct fc_seq *, unsigned int timer_msec);
+void fc_exch_done(struct fc_seq *sp);
/*
* Functions for fc_functions_template
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 4d1c46aac331..583875ea136a 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -196,6 +196,7 @@ struct iscsi_conn {
struct iscsi_task *task; /* xmit task in progress */
/* xmit */
+ spinlock_t taskqueuelock; /* protects the next three lists */
struct list_head mgmtqueue; /* mgmt (control) xmit queue */
struct list_head cmdqueue; /* data-path cmd queue */
struct list_head requeue; /* tasks needing another run */
@@ -383,6 +384,7 @@ extern int iscsi_eh_recover_target(struct scsi_cmnd *sc);
extern int iscsi_eh_session_reset(struct scsi_cmnd *sc);
extern int iscsi_eh_device_reset(struct scsi_cmnd *sc);
extern int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc);
+extern enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc);
/*
* iSCSI host helpers.
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 8ec7c30e35af..a1e1930b7a87 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -29,16 +29,6 @@ enum scsi_timeouts {
*/
#define SCAN_WILD_CARD ~0
-#ifdef CONFIG_ACPI
-struct acpi_bus_type;
-
-extern int
-scsi_register_acpi_bus_type(struct acpi_bus_type *bus);
-
-extern void
-scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus);
-#endif
-
/** scsi_status_is_good - check the status return.
*
* @status: the status passed up from the driver (including host and
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 9fc1aecfc813..b379f93a2c48 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -8,6 +8,7 @@
#include <linux/timer.h>
#include <linux/scatterlist.h>
#include <scsi/scsi_device.h>
+#include <scsi/scsi_request.h>
struct Scsi_Host;
struct scsi_driver;
@@ -57,6 +58,7 @@ struct scsi_pointer {
#define SCMD_TAGGED (1 << 0)
struct scsi_cmnd {
+ struct scsi_request req;
struct scsi_device *device;
struct list_head list; /* scsi_cmnd participates in queue lists */
struct list_head eh_entry; /* entry for the host eh_cmd_q */
@@ -149,7 +151,7 @@ static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd)
return cmd + 1;
}
-/* make sure not to use it with REQ_TYPE_BLOCK_PC commands */
+/* make sure not to use it with passthrough commands */
static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
{
return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 8a9563144890..080c7ce9bae8 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -315,6 +315,7 @@ extern void scsi_remove_device(struct scsi_device *);
extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh);
void scsi_attach_vpd(struct scsi_device *sdev);
+extern struct scsi_device *scsi_device_from_queue(struct request_queue *q);
extern int scsi_device_get(struct scsi_device *);
extern void scsi_device_put(struct scsi_device *);
extern struct scsi_device *scsi_device_lookup(struct Scsi_Host *,
@@ -409,19 +410,16 @@ extern int scsi_is_target_device(const struct device *);
extern void scsi_sanitize_inquiry_string(unsigned char *s, int len);
extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
- unsigned char *sense, int timeout, int retries,
- u64 flags, int *resid);
-extern int scsi_execute_req_flags(struct scsi_device *sdev,
- const unsigned char *cmd, int data_direction, void *buffer,
- unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout,
- int retries, int *resid, u64 flags);
+ unsigned char *sense, struct scsi_sense_hdr *sshdr,
+ int timeout, int retries, u64 flags,
+ req_flags_t rq_flags, int *resid);
static inline int scsi_execute_req(struct scsi_device *sdev,
const unsigned char *cmd, int data_direction, void *buffer,
unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout,
int retries, int *resid)
{
- return scsi_execute_req_flags(sdev, cmd, data_direction, buffer,
- bufflen, sshdr, timeout, retries, resid, 0);
+ return scsi_execute(sdev, cmd, data_direction, buffer,
+ bufflen, NULL, sshdr, timeout, retries, 0, 0, resid);
}
extern void sdev_disable_disk_events(struct scsi_device *sdev);
extern void sdev_enable_disk_events(struct scsi_device *sdev);
@@ -474,6 +472,10 @@ static inline int scsi_device_created(struct scsi_device *sdev)
sdev->sdev_state == SDEV_CREATED_BLOCK;
}
+int scsi_internal_device_block(struct scsi_device *sdev, bool wait);
+int scsi_internal_device_unblock(struct scsi_device *sdev,
+ enum scsi_device_state new_state);
+
/* accessor functions for the SCSI parameters */
static inline int scsi_device_sync(struct scsi_device *sdev)
{
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 7e4cd53139ed..3cd8c3bec638 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -278,6 +278,14 @@ struct scsi_host_template {
int (* change_queue_depth)(struct scsi_device *, int);
/*
+ * This functions lets the driver expose the queue mapping
+ * to the block layer.
+ *
+ * Status: OPTIONAL
+ */
+ int (* map_queues)(struct Scsi_Host *shost);
+
+ /*
* This function determines the BIOS parameters for a given
* harddisk. These tend to be numbers that are made up by
* the host adapter. Parameters:
@@ -543,9 +551,6 @@ struct Scsi_Host {
struct list_head __devices;
struct list_head __targets;
- struct scsi_host_cmd_pool *cmd_pool;
- spinlock_t free_list_lock;
- struct list_head free_list; /* backup store of cmd structs */
struct list_head starved_list;
spinlock_t default_lock;
@@ -818,8 +823,6 @@ extern void scsi_block_requests(struct Scsi_Host *);
struct class_container;
-extern struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
- void (*) (struct request_queue *));
/*
* These two functions are used to allocate and free a pseudo device
* which will connect to the host adapter itself rather than any
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index d1defd1ebd95..6ba66e01f6df 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -299,4 +299,21 @@ struct scsi_lun {
#define SCSI_ACCESS_STATE_MASK 0x0f
#define SCSI_ACCESS_STATE_PREFERRED 0x80
+/* Reporting options for REPORT ZONES */
+enum zbc_zone_reporting_options {
+ ZBC_ZONE_REPORTING_OPTION_ALL = 0,
+ ZBC_ZONE_REPORTING_OPTION_EMPTY,
+ ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN,
+ ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN,
+ ZBC_ZONE_REPORTING_OPTION_CLOSED,
+ ZBC_ZONE_REPORTING_OPTION_FULL,
+ ZBC_ZONE_REPORTING_OPTION_READONLY,
+ ZBC_ZONE_REPORTING_OPTION_OFFLINE,
+ ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10,
+ ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE,
+ ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f,
+};
+
+#define ZBC_REPORT_ZONE_PARTIAL 0x80
+
#endif /* _SCSI_PROTO_H_ */
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
new file mode 100644
index 000000000000..ba0aeb980f7e
--- /dev/null
+++ b/include/scsi/scsi_request.h
@@ -0,0 +1,30 @@
+#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;
+ unsigned int sense_len;
+ unsigned int resid_len; /* residual count */
+ 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);
+}
+
+void scsi_req_init(struct request *);
+
+#endif /* _SCSI_SCSI_REQUEST_H */
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index 81292392adbc..a3dcb1bfb362 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -56,29 +56,6 @@ struct scsi_transport_template {
* Allows a transport to override the default error handler.
*/
void (* eh_strategy_handler)(struct Scsi_Host *);
-
- /*
- * This is an optional routine that allows the transport to become
- * involved when a scsi io timer fires. The return value tells the
- * timer routine how to finish the io timeout handling:
- * EH_HANDLED: I fixed the error, please complete the command
- * EH_RESET_TIMER: I need more time, reset the timer and
- * begin counting again
- * EH_NOT_HANDLED Begin normal error recovery
- */
- enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
-
- /*
- * Used as callback for the completion of i_t_nexus request
- * for target drivers.
- */
- int (* it_nexus_response)(struct Scsi_Host *, u64, int);
-
- /*
- * Used as callback for the completion of task management
- * request for target drivers.
- */
- int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
};
#define transport_class_to_shost(tc) \
@@ -119,4 +96,6 @@ scsi_transport_device_data(struct scsi_device *sdev)
+ shost->transportt->device_private_offset;
}
+void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q);
+
#endif /* SCSI_TRANSPORT_H */
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index bf66ea6bed2b..b21b8aa58c4d 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -28,9 +28,11 @@
#define SCSI_TRANSPORT_FC_H
#include <linux/sched.h>
+#include <linux/bsg-lib.h>
#include <asm/unaligned.h>
#include <scsi/scsi.h>
#include <scsi/scsi_netlink.h>
+#include <scsi/scsi_host.h>
struct scsi_transport_template;
@@ -624,48 +626,6 @@ struct fc_host_attrs {
#define fc_host_dev_loss_tmo(x) \
(((struct fc_host_attrs *)(x)->shost_data)->dev_loss_tmo)
-
-struct fc_bsg_buffer {
- unsigned int payload_len;
- int sg_cnt;
- struct scatterlist *sg_list;
-};
-
-/* Values for fc_bsg_job->state_flags (bitflags) */
-#define FC_RQST_STATE_INPROGRESS 0
-#define FC_RQST_STATE_DONE 1
-
-struct fc_bsg_job {
- struct Scsi_Host *shost;
- struct fc_rport *rport;
- struct device *dev;
- struct request *req;
- spinlock_t job_lock;
- unsigned int state_flags;
- unsigned int ref_cnt;
- void (*job_done)(struct fc_bsg_job *);
-
- struct fc_bsg_request *request;
- struct fc_bsg_reply *reply;
- unsigned int request_len;
- unsigned int reply_len;
- /*
- * On entry : reply_len indicates the buffer size allocated for
- * the reply.
- *
- * Upon completion : the message handler must set reply_len
- * to indicates the size of the reply to be returned to the
- * caller.
- */
-
- /* DMA payloads for the request/response */
- struct fc_bsg_buffer request_payload;
- struct fc_bsg_buffer reply_payload;
-
- void *dd_data; /* Used for driver-specific storage */
-};
-
-
/* The functions by which the transport class and the driver communicate */
struct fc_function_template {
void (*get_rport_dev_loss_tmo)(struct fc_rport *);
@@ -702,8 +662,8 @@ struct fc_function_template {
int (* it_nexus_response)(struct Scsi_Host *, u64, int);
/* bsg support */
- int (*bsg_request)(struct fc_bsg_job *);
- int (*bsg_timeout)(struct fc_bsg_job *);
+ int (*bsg_request)(struct bsg_job *);
+ int (*bsg_timeout)(struct bsg_job *);
/* allocation lengths for host-specific data */
u32 dd_fcrport_size;
@@ -848,5 +808,20 @@ struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
struct fc_vport_identifiers *);
int fc_vport_terminate(struct fc_vport *vport);
int fc_block_scsi_eh(struct scsi_cmnd *cmnd);
+enum blk_eh_timer_return fc_eh_timed_out(struct scsi_cmnd *scmd);
+
+static inline struct Scsi_Host *fc_bsg_to_shost(struct bsg_job *job)
+{
+ if (scsi_is_host_device(job->dev))
+ return dev_to_shost(job->dev);
+ return rport_to_shost(dev_to_rport(job->dev));
+}
+
+static inline struct fc_rport *fc_bsg_to_rport(struct bsg_job *job)
+{
+ if (scsi_is_fc_rport(job->dev))
+ return dev_to_rport(job->dev);
+ return NULL;
+}
#endif /* SCSI_TRANSPORT_FC_H */
diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h
index d40d3ef25707..dd096330734e 100644
--- a/include/scsi/scsi_transport_srp.h
+++ b/include/scsi/scsi_transport_srp.h
@@ -88,10 +88,6 @@ struct srp_rport {
* @terminate_rport_io: Callback function for terminating all outstanding I/O
* requests for an rport.
* @rport_delete: Callback function that deletes an rport.
- *
- * Fields that are only relevant for SRP target drivers:
- * @tsk_mgmt_response: Callback function for sending a task management response.
- * @it_nexus_response: Callback function for processing an IT nexus response.
*/
struct srp_function_template {
/* for initiator drivers */
@@ -103,9 +99,6 @@ struct srp_function_template {
int (*reconnect)(struct srp_rport *rport);
void (*terminate_rport_io)(struct srp_rport *rport);
void (*rport_delete)(struct srp_rport *rport);
- /* for target drivers */
- int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
- int (* it_nexus_response)(struct Scsi_Host *, u64, int);
};
extern struct scsi_transport_template *
@@ -124,6 +117,7 @@ extern int srp_reconnect_rport(struct srp_rport *rport);
extern void srp_start_tl_fail_timers(struct srp_rport *rport);
extern void srp_remove_host(struct Scsi_Host *);
extern void srp_stop_rport_timers(struct srp_rport *rport);
+enum blk_eh_timer_return srp_timed_out(struct scsi_cmnd *scmd);
/**
* srp_chkready() - evaluate the transport layer state before I/O
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