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Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
-rw-r--r--include/scsi/scsi_transport_fc.h62
1 files changed, 18 insertions, 44 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index bf66ea6bed2b..924c8e614b45 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;
@@ -849,4 +809,18 @@ struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
int fc_vport_terminate(struct fc_vport *vport);
int fc_block_scsi_eh(struct scsi_cmnd *cmnd);
+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 */