summaryrefslogtreecommitdiffstats
path: root/include/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/libiscsi.h21
-rw-r--r--include/scsi/libiscsi_tcp.h2
-rw-r--r--include/scsi/scsi_cmnd.h6
-rw-r--r--include/scsi/scsi_device.h26
-rw-r--r--include/scsi/scsi_host.h7
-rw-r--r--include/scsi/scsi_transport_fc.h1
-rw-r--r--include/scsi/scsi_transport_iscsi.h1
-rw-r--r--include/scsi/scsi_transport_srp.h1
8 files changed, 50 insertions, 15 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 309f51336fb9..728c9ad9feb0 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -133,6 +133,10 @@ struct iscsi_task {
unsigned long last_xfer;
unsigned long last_timeout;
bool have_checked_conn;
+
+ /* T10 protection information */
+ bool protected;
+
/* state set/tested under session->lock */
int state;
atomic_t refcount;
@@ -327,12 +331,19 @@ 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..5853c913d2b0 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 *);
@@ -405,11 +423,11 @@ extern int scsi_is_target_device(const struct device *);
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,
- int flag, int *resid);
+ 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, int flags);
+ int retries, int *resid, u64 flags);
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,
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 */
/*
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 88640a47216c..2555ee5343fd 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -167,6 +167,7 @@ struct iscsi_transport {
struct iscsi_bus_flash_conn *fnode_conn);
int (*logout_flashnode_sid) (struct iscsi_cls_session *cls_sess);
int (*get_host_stats) (struct Scsi_Host *shost, char *buf, int len);
+ u8 (*check_protection)(struct iscsi_task *task, sector_t *sector);
};
/*
diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h
index b11da5c1331e..cdb05dd1d440 100644
--- a/include/scsi/scsi_transport_srp.h
+++ b/include/scsi/scsi_transport_srp.h
@@ -41,7 +41,6 @@ enum srp_rport_state {
* @mutex: Protects against concurrent rport reconnect /
* fast_io_fail / dev_loss_tmo activity.
* @state: rport state.
- * @deleted: Whether or not srp_rport_del() has already been invoked.
* @reconnect_delay: Reconnect delay in seconds.
* @failed_reconnects: Number of failed reconnect attempts.
* @reconnect_work: Work structure used for scheduling reconnect attempts.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 15:49:24 +0000