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-rw-r--r--include/scsi/libiscsi.h17
-rw-r--r--include/scsi/libiscsi_tcp.h2
-rw-r--r--include/scsi/scsi_cmnd.h6
-rw-r--r--include/scsi/scsi_device.h22
-rw-r--r--include/scsi/scsi_host.h7
-rw-r--r--include/scsi/scsi_transport_fc.h1
6 files changed, 43 insertions, 12 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 309f51336fb9..7221a24e821b 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -327,12 +327,19 @@ struct iscsi_session {
struct iscsi_transport *tt;
struct Scsi_Host *host;
struct iscsi_conn *leadconn; /* leading connection */
- spinlock_t lock; /* protects session state, *
- * sequence numbers, *
+ /* Between the forward and the backward locks exists a strict locking
+ * hierarchy. The mutual exclusion zone protected by the forward lock
+ * can enclose the mutual exclusion zone protected by the backward lock
+ * but not vice versa.
+ */
+ spinlock_t frwd_lock; /* protects session state, *
+ * cmdsn, queued_cmdsn *
* session resources: *
- * - cmdpool, *
- * - mgmtpool, *
- * - r2tpool */
+ * - cmdpool kfifo_out , *
+ * - mgmtpool, */
+ spinlock_t back_lock; /* protects cmdsn_exp *
+ * cmdsn_max, *
+ * cmdpool kfifo_in */
int state; /* session state */
int age; /* counts session re-opens */
diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h
index 215469a9b801..2a7aa75dd009 100644
--- a/include/scsi/libiscsi_tcp.h
+++ b/include/scsi/libiscsi_tcp.h
@@ -83,6 +83,8 @@ struct iscsi_tcp_task {
struct iscsi_pool r2tpool;
struct kfifo r2tqueue;
void *dd_data;
+ spinlock_t pool2queue;
+ spinlock_t queue2pool;
};
enum {
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 91558a1f97f4..dd7c998221b3 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -142,8 +142,7 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
-extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
- struct device *);
+extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
@@ -156,9 +155,6 @@ extern void scsi_release_buffers(struct scsi_cmnd *cmd);
extern int scsi_dma_map(struct scsi_cmnd *cmd);
extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
-struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask);
-void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd);
-
static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)
{
return cmd->sdb.table.nents;
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index d65fbec2533d..4e845b80efd3 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -113,6 +113,12 @@ struct scsi_device {
const char * vendor; /* [back_compat] point into 'inquiry' ... */
const char * model; /* ... after scan; point to static string */
const char * rev; /* ... "nullnullnullnull" before scan */
+
+#define SCSI_VPD_PG_LEN 255
+ int vpd_pg83_len;
+ unsigned char *vpd_pg83;
+ int vpd_pg80_len;
+ unsigned char *vpd_pg80;
unsigned char current_tag; /* current tag */
struct scsi_target *sdev_target; /* used only for single_lun */
@@ -235,12 +241,24 @@ struct scsi_dh_data {
#define sdev_printk(prefix, sdev, fmt, a...) \
dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
+#define sdev_dbg(sdev, fmt, a...) \
+ dev_dbg(&(sdev)->sdev_gendev, fmt, ##a)
+
#define scmd_printk(prefix, scmd, fmt, a...) \
(scmd)->request->rq_disk ? \
sdev_printk(prefix, (scmd)->device, "[%s] " fmt, \
(scmd)->request->rq_disk->disk_name, ##a) : \
sdev_printk(prefix, (scmd)->device, fmt, ##a)
+#define scmd_dbg(scmd, fmt, a...) \
+ do { \
+ if ((scmd)->request->rq_disk) \
+ sdev_dbg((scmd)->device, "[%s] " fmt, \
+ (scmd)->request->rq_disk->disk_name, ##a);\
+ else \
+ sdev_dbg((scmd)->device, fmt, ##a); \
+ } while (0)
+
enum scsi_target_state {
STARGET_CREATED = 1,
STARGET_RUNNING,
@@ -257,7 +275,7 @@ struct scsi_target {
struct list_head siblings;
struct list_head devices;
struct device dev;
- unsigned int reap_ref; /* protected by the host lock */
+ struct kref reap_ref; /* last put renders target invisible */
unsigned int channel;
unsigned int id; /* target id ... replace
* scsi_device.id eventually */
@@ -284,7 +302,6 @@ struct scsi_target {
#define SCSI_DEFAULT_TARGET_BLOCKED 3
char scsi_level;
- struct execute_work ew;
enum scsi_target_state state;
void *hostdata; /* available to low-level driver */
unsigned long starget_data[0]; /* for the transport */
@@ -309,6 +326,7 @@ extern int scsi_add_device(struct Scsi_Host *host, uint channel,
extern int scsi_register_device_handler(struct scsi_device_handler *scsi_dh);
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 int scsi_device_get(struct scsi_device *);
extern void scsi_device_put(struct scsi_device *);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 53075e5039e6..94844fc77b97 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -15,6 +15,7 @@ struct completion;
struct module;
struct scsi_cmnd;
struct scsi_device;
+struct scsi_host_cmd_pool;
struct scsi_target;
struct Scsi_Host;
struct scsi_host_cmd_pool;
@@ -524,6 +525,12 @@ struct scsi_host_template {
* scsi_netlink.h
*/
u64 vendor_id;
+
+ /*
+ * Additional per-command data allocated for the driver.
+ */
+ unsigned int cmd_size;
+ struct scsi_host_cmd_pool *cmd_pool;
};
/*
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index b797e8fad669..8c79980dc8f2 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -130,6 +130,7 @@ enum fc_vport_state {
#define FC_PORTSPEED_4GBIT 8
#define FC_PORTSPEED_8GBIT 0x10
#define FC_PORTSPEED_16GBIT 0x20
+#define FC_PORTSPEED_32GBIT 0x40
#define FC_PORTSPEED_NOT_NEGOTIATED (1 << 15) /* Speed not established */
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 22:00:28 +0000