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-rw-r--r--include/scsi/iscsi_if.h11
-rw-r--r--include/scsi/scsi_bsg_iscsi.h2
-rw-r--r--include/scsi/scsi_cmnd.h1
-rw-r--r--include/scsi/scsi_device.h8
-rw-r--r--include/scsi/scsi_host.h17
-rw-r--r--include/scsi/scsi_ioctl.h2
-rw-r--r--include/scsi/scsi_transport_iscsi.h10
-rw-r--r--include/scsi/sg.h2
-rw-r--r--include/scsi/srp.h8
9 files changed, 39 insertions, 22 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 92b11c7e0b4f..5225a23f2d0e 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -60,6 +60,7 @@ enum iscsi_uevent_e {
ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
ISCSI_UEVENT_GET_HOST_STATS = UEVENT_BASE + 32,
+ ISCSI_UEVENT_DESTROY_SESSION_ASYNC = UEVENT_BASE + 33,
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
@@ -311,7 +312,7 @@ enum iscsi_param_type {
struct iscsi_param_info {
uint32_t len; /* Actual length of the param value */
uint16_t param; /* iscsi param */
- uint8_t value[0]; /* length sized value follows */
+ uint8_t value[]; /* length sized value follows */
} __packed;
struct iscsi_iface_param_info {
@@ -320,7 +321,7 @@ struct iscsi_iface_param_info {
uint16_t param; /* iscsi param value */
uint8_t iface_type; /* IPv4 or IPv6 */
uint8_t param_type; /* iscsi_param_type */
- uint8_t value[0]; /* length sized value follows */
+ uint8_t value[]; /* length sized value follows */
} __packed;
/*
@@ -697,7 +698,7 @@ enum iscsi_flashnode_param {
struct iscsi_flashnode_param_info {
uint32_t len; /* Actual length of the param */
uint16_t param; /* iscsi param value */
- uint8_t value[0]; /* length sized value follows */
+ uint8_t value[]; /* length sized value follows */
} __packed;
enum iscsi_discovery_parent_type {
@@ -815,7 +816,7 @@ struct iscsi_stats {
* up to ISCSI_STATS_CUSTOM_MAX
*/
uint32_t custom_length;
- struct iscsi_stats_custom custom[0]
+ struct iscsi_stats_custom custom[]
__attribute__ ((aligned (sizeof(uint64_t))));
};
@@ -946,7 +947,7 @@ struct iscsi_offload_host_stats {
* up to ISCSI_HOST_STATS_CUSTOM_MAX
*/
uint32_t custom_length;
- struct iscsi_host_stats_custom custom[0]
+ struct iscsi_host_stats_custom custom[]
__aligned(sizeof(uint64_t));
};
diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h
index fa0c820a1663..6b8128005af8 100644
--- a/include/scsi/scsi_bsg_iscsi.h
+++ b/include/scsi/scsi_bsg_iscsi.h
@@ -52,7 +52,7 @@ struct iscsi_bsg_host_vendor {
uint64_t vendor_id;
/* start of vendor command area */
- uint32_t vendor_cmd[0];
+ uint32_t vendor_cmd[];
};
/* Response:
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a2849bb9cd19..80ac89e47b47 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -159,7 +159,6 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
}
-extern void scsi_put_command(struct scsi_cmnd *);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index f8312a3e5b42..c3cba2aaf934 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -110,7 +110,6 @@ struct scsi_device {
atomic_t device_blocked; /* Device returned QUEUE_FULL. */
spinlock_t list_lock;
- struct list_head cmd_list; /* queue of in use SCSI Command structures */
struct list_head starved_entry;
unsigned short queue_depth; /* How deep of a queue we want */
unsigned short max_queue_depth; /* max queue depth */
@@ -204,6 +203,9 @@ struct scsi_device {
unsigned unmap_limit_for_ws:1; /* Use the UNMAP limit for WRITE SAME */
unsigned rpm_autosuspend:1; /* Enable runtime autosuspend at device
* creation time */
+
+ bool offline_already; /* Device offline message logged */
+
atomic_t disk_events_disable_depth; /* disable depth for disk events */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
@@ -231,7 +233,7 @@ struct scsi_device {
struct mutex state_mutex;
enum scsi_device_state sdev_state;
struct task_struct *quiesced_by;
- unsigned long sdev_data[0];
+ unsigned long sdev_data[];
} __attribute__((aligned(sizeof(unsigned long))));
#define to_scsi_device(d) \
@@ -315,7 +317,7 @@ struct scsi_target {
char scsi_level;
enum scsi_target_state state;
void *hostdata; /* available to low-level driver */
- unsigned long starget_data[0]; /* for the transport */
+ unsigned long starget_data[]; /* for the transport */
/* starget_data must be the last element!!!! */
} __attribute__((aligned(sizeof(unsigned long))));
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index f577647bf5f2..822e8cda8d9b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -62,6 +62,9 @@ struct scsi_host_template {
void __user *arg);
#endif
+ int (*init_cmd_priv)(struct Scsi_Host *shost, struct scsi_cmnd *cmd);
+ int (*exit_cmd_priv)(struct Scsi_Host *shost, struct scsi_cmnd *cmd);
+
/*
* The queuecommand function is used to queue up a scsi
* command block to the LLDD. When the driver finished
@@ -426,9 +429,6 @@ struct scsi_host_template {
/* True if the controller does not support WRITE SAME */
unsigned no_write_same:1;
- /* True if the low-level driver supports blk-mq only */
- unsigned force_blk_mq:1;
-
/*
* Countdown for host blocking with no commands outstanding.
*/
@@ -627,8 +627,6 @@ struct Scsi_Host {
/* The controller does not support WRITE SAME */
unsigned no_write_same:1;
- unsigned use_cmd_list:1;
-
/* Host responded with short (<36 bytes) INQUIRY result */
unsigned short_inquiry:1;
@@ -685,7 +683,7 @@ struct Scsi_Host {
* and also because some compilers (m68k) don't automatically force
* alignment to a long boundary.
*/
- unsigned long hostdata[0] /* Used for storage of host specific stuff */
+ unsigned long hostdata[] /* Used for storage of host specific stuff */
__attribute__ ((aligned (sizeof(unsigned long))));
};
@@ -735,6 +733,8 @@ extern int scsi_host_busy(struct Scsi_Host *shost);
extern void scsi_host_put(struct Scsi_Host *t);
extern struct Scsi_Host *scsi_host_lookup(unsigned short);
extern const char *scsi_host_state_name(enum scsi_host_state);
+extern void scsi_host_complete_all_commands(struct Scsi_Host *shost,
+ int status);
static inline int __must_check scsi_add_host(struct Scsi_Host *host,
struct device *dev)
@@ -759,6 +759,11 @@ static inline int scsi_host_scan_allowed(struct Scsi_Host *shost)
extern void scsi_unblock_requests(struct Scsi_Host *);
extern void scsi_block_requests(struct Scsi_Host *);
+extern int scsi_host_block(struct Scsi_Host *shost);
+extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state);
+
+void scsi_host_busy_iter(struct Scsi_Host *,
+ bool (*fn)(struct scsi_cmnd *, void *, bool), void *priv);
struct class_container;
diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h
index 4fe69d863b5d..b465799f4d2d 100644
--- a/include/scsi/scsi_ioctl.h
+++ b/include/scsi/scsi_ioctl.h
@@ -27,7 +27,7 @@ struct scsi_device;
typedef struct scsi_ioctl_command {
unsigned int inlen;
unsigned int outlen;
- unsigned char data[0];
+ unsigned char data[];
} Scsi_Ioctl_Command;
typedef struct scsi_idlun {
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 325ae731d9ad..bdcb6d69d154 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -188,8 +188,16 @@ extern void iscsi_ping_comp_event(uint32_t host_no,
uint32_t status, uint32_t pid,
uint32_t data_size, uint8_t *data);
+/* iscsi class connection state */
+enum iscsi_connection_state {
+ ISCSI_CONN_UP = 0,
+ ISCSI_CONN_DOWN,
+ ISCSI_CONN_FAILED,
+};
+
struct iscsi_cls_conn {
struct list_head conn_list; /* item in connlist */
+ struct list_head conn_list_err; /* item in connlist_err */
void *dd_data; /* LLD private data */
struct iscsi_transport *transport;
uint32_t cid; /* connection id */
@@ -197,6 +205,7 @@ struct iscsi_cls_conn {
struct iscsi_endpoint *ep;
struct device dev; /* sysfs transport/container device */
+ enum iscsi_connection_state state;
};
#define iscsi_dev_to_conn(_dev) \
@@ -225,6 +234,7 @@ struct iscsi_cls_session {
struct work_struct unblock_work;
struct work_struct scan_work;
struct work_struct unbind_work;
+ struct work_struct destroy_work;
/* recovery fields */
int recovery_tmo;
diff --git a/include/scsi/sg.h b/include/scsi/sg.h
index 29c7ad04d2e2..7327e12f3373 100644
--- a/include/scsi/sg.h
+++ b/include/scsi/sg.h
@@ -24,7 +24,7 @@
* http://sg.danny.cz/sg [alternatively check the MAINTAINERS file]
* The documentation for the sg version 3 driver can be found at:
* http://sg.danny.cz/sg/p/sg_v3_ho.html
- * Also see: <kernel_source>/Documentation/scsi/scsi-generic.txt
+ * Also see: <kernel_source>/Documentation/scsi/scsi-generic.rst
*
* For utility and test programs see: http://sg.danny.cz/sg/sg3_utils.html
*/
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index 9220758d5087..177d8026e96f 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -109,7 +109,7 @@ struct srp_direct_buf {
struct srp_indirect_buf {
struct srp_direct_buf table_desc;
__be32 len;
- struct srp_direct_buf desc_list[0];
+ struct srp_direct_buf desc_list[];
} __attribute__((packed));
/* Immediate data buffer descriptor as defined in SRP2. */
@@ -244,7 +244,7 @@ struct srp_cmd {
u8 reserved4;
u8 add_cdb_len;
u8 cdb[16];
- u8 add_data[0];
+ u8 add_data[];
};
enum {
@@ -274,7 +274,7 @@ struct srp_rsp {
__be32 data_in_res_cnt;
__be32 sense_data_len;
__be32 resp_data_len;
- u8 data[0];
+ u8 data[];
} __attribute__((packed));
struct srp_cred_req {
@@ -306,7 +306,7 @@ struct srp_aer_req {
struct scsi_lun lun;
__be32 sense_data_len;
u32 reserved3;
- u8 sense_data[0];
+ u8 sense_data[];
} __attribute__((packed));
struct srp_aer_rsp {