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-rw-r--r--include/scsi/libfc.h2
-rw-r--r--include/scsi/libiscsi_tcp.h16
-rw-r--r--include/scsi/libsas.h9
-rw-r--r--include/scsi/scsi_bsg_iscsi.h2
-rw-r--r--include/scsi/scsi_device.h13
-rw-r--r--include/scsi/scsi_host.h32
-rw-r--r--include/scsi/scsi_proto.h4
-rw-r--r--include/scsi/scsi_transport_iscsi.h8
8 files changed, 42 insertions, 44 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 4a9b4169e081..183d9fd50d2d 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -963,7 +963,7 @@ int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int fc_eh_abort(struct scsi_cmnd *);
int fc_eh_device_reset(struct scsi_cmnd *);
int fc_eh_host_reset(struct scsi_cmnd *);
-int fc_slave_alloc(struct scsi_device *);
+int fc_sdev_init(struct scsi_device *);
/*
* ELS/CT interface
diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h
index 7c8ba9d7378b..ef53d4bea28a 100644
--- a/include/scsi/libiscsi_tcp.h
+++ b/include/scsi/libiscsi_tcp.h
@@ -15,7 +15,6 @@
struct iscsi_tcp_conn;
struct iscsi_segment;
struct sk_buff;
-struct ahash_request;
typedef int iscsi_segment_done_fn_t(struct iscsi_tcp_conn *,
struct iscsi_segment *);
@@ -27,7 +26,7 @@ struct iscsi_segment {
unsigned int total_size;
unsigned int total_copied;
- struct ahash_request *hash;
+ u32 *crcp;
unsigned char padbuf[ISCSI_PAD_LEN];
unsigned char recv_digest[ISCSI_DIGEST_SIZE];
unsigned char digest[ISCSI_DIGEST_SIZE];
@@ -61,8 +60,8 @@ struct iscsi_tcp_conn {
* stop to terminate */
/* control data */
struct iscsi_tcp_recv in; /* TCP receive context */
- /* CRC32C (Rx) LLD should set this is they do not offload */
- struct ahash_request *rx_hash;
+ /* CRC32C (Rx) LLD should set this if they do not offload */
+ u32 *rx_crcp;
};
struct iscsi_tcp_task {
@@ -99,18 +98,15 @@ extern void iscsi_tcp_segment_unmap(struct iscsi_segment *segment);
extern void iscsi_segment_init_linear(struct iscsi_segment *segment,
void *data, size_t size,
- iscsi_segment_done_fn_t *done,
- struct ahash_request *hash);
+ iscsi_segment_done_fn_t *done, u32 *crcp);
extern int
iscsi_segment_seek_sg(struct iscsi_segment *segment,
struct scatterlist *sg_list, unsigned int sg_count,
unsigned int offset, size_t size,
- iscsi_segment_done_fn_t *done,
- struct ahash_request *hash);
+ iscsi_segment_done_fn_t *done, u32 *crcp);
/* digest helpers */
-extern void iscsi_tcp_dgst_header(struct ahash_request *hash, const void *hdr,
- size_t hdrlen,
+extern void iscsi_tcp_dgst_header(const void *hdr, size_t hdrlen,
unsigned char digest[ISCSI_DIGEST_SIZE]);
extern struct iscsi_cls_conn *
iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 1324068dd950..ba460b6c0374 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -683,8 +683,7 @@ int sas_phy_reset(struct sas_phy *phy, int hard_reset);
int sas_phy_enable(struct sas_phy *phy, int enable);
extern int sas_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
extern int sas_target_alloc(struct scsi_target *);
-int sas_device_configure(struct scsi_device *dev,
- struct queue_limits *lim);
+int sas_sdev_configure(struct scsi_device *dev, struct queue_limits *lim);
extern int sas_change_queue_depth(struct scsi_device *, int new_depth);
extern int sas_bios_param(struct scsi_device *, struct block_device *,
sector_t capacity, int *hsc);
@@ -703,7 +702,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd);
int sas_eh_target_reset_handler(struct scsi_cmnd *cmd);
extern void sas_target_destroy(struct scsi_target *);
-extern int sas_slave_alloc(struct scsi_device *);
+extern int sas_sdev_init(struct scsi_device *);
extern int sas_ioctl(struct scsi_device *sdev, unsigned int cmd,
void __user *arg);
extern int sas_drain_work(struct sas_ha_struct *ha);
@@ -750,8 +749,8 @@ void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event,
#endif
#define LIBSAS_SHT_BASE _LIBSAS_SHT_BASE \
- .device_configure = sas_device_configure, \
- .slave_alloc = sas_slave_alloc, \
+ .sdev_configure = sas_sdev_configure, \
+ .sdev_init = sas_sdev_init, \
#define LIBSAS_SHT_BASE_NO_SLAVE_INIT _LIBSAS_SHT_BASE
diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h
index 9b1f0f424a79..a569c35b258d 100644
--- a/include/scsi/scsi_bsg_iscsi.h
+++ b/include/scsi/scsi_bsg_iscsi.h
@@ -59,7 +59,7 @@ struct iscsi_bsg_host_vendor {
*/
struct iscsi_bsg_host_vendor_reply {
/* start of vendor response area */
- uint32_t vendor_rsp[0];
+ DECLARE_FLEX_ARRAY(uint32_t, vendor_rsp);
};
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 9c540f5468eb..68dd49947d04 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -155,7 +155,7 @@ struct scsi_device {
blist_flags_t sdev_bflags; /* black/white flags as also found in
* scsi_devinfo.[hc]. For now used only to
- * pass settings from slave_alloc to scsi
+ * pass settings from sdev_init to scsi
* core. */
unsigned int eh_timeout; /* Error handling timeout */
@@ -247,6 +247,9 @@ struct scsi_device {
unsigned int queue_stopped; /* request queue is quiesced */
bool offline_already; /* Device offline message logged */
+ unsigned int ua_new_media_ctr; /* Counter for New Media UNIT ATTENTIONs */
+ unsigned int ua_por_ctr; /* Counter for Power On / Reset UAs */
+
atomic_t disk_events_disable_depth; /* disable depth for disk events */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
@@ -357,7 +360,7 @@ struct scsi_target {
atomic_t target_blocked;
/*
- * LLDs should set this in the slave_alloc host template callout.
+ * LLDs should set this in the sdev_init host template callout.
* If set to zero then there is not limit.
*/
unsigned int can_queue;
@@ -684,6 +687,12 @@ static inline int scsi_device_busy(struct scsi_device *sdev)
return sbitmap_weight(&sdev->budget_map);
}
+/* Macros to access the UNIT ATTENTION counters */
+#define scsi_get_ua_new_media_ctr(sdev) \
+ ((const unsigned int)(sdev->ua_new_media_ctr))
+#define scsi_get_ua_por_ctr(sdev) \
+ ((const unsigned int)(sdev->ua_por_ctr))
+
#define MODULE_ALIAS_SCSI_DEVICE(type) \
MODULE_ALIAS("scsi:t-" __stringify(type) "*")
#define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 2b4ab0369ffb..26bc23419cfd 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -168,20 +168,20 @@ struct scsi_host_template {
* Return values: 0 on success, non-0 on failure
*
* Deallocation: If we didn't find any devices at this ID, you will
- * get an immediate call to slave_destroy(). If we find something
- * here then you will get a call to slave_configure(), then the
+ * get an immediate call to sdev_destroy(). If we find something
+ * here then you will get a call to sdev_configure(), then the
* device will be used for however long it is kept around, then when
* the device is removed from the system (or * possibly at reboot
- * time), you will then get a call to slave_destroy(). This is
- * assuming you implement slave_configure and slave_destroy.
+ * time), you will then get a call to sdev_destroy(). This is
+ * assuming you implement sdev_configure and sdev_destroy.
* However, if you allocate memory and hang it off the device struct,
- * then you must implement the slave_destroy() routine at a minimum
+ * then you must implement the sdev_destroy() routine at a minimum
* in order to avoid leaking memory
* each time a device is tore down.
*
* Status: OPTIONAL
*/
- int (* slave_alloc)(struct scsi_device *);
+ int (* sdev_init)(struct scsi_device *);
/*
* Once the device has responded to an INQUIRY and we know the
@@ -206,28 +206,24 @@ struct scsi_host_template {
* specific setup basis...
* 6. Return 0 on success, non-0 on error. The device will be marked
* as offline on error so that no access will occur. If you return
- * non-0, your slave_destroy routine will never get called for this
+ * non-0, your sdev_destroy routine will never get called for this
* device, so don't leave any loose memory hanging around, clean
* up after yourself before returning non-0
*
* Status: OPTIONAL
- *
- * Note: slave_configure is the legacy version, use device_configure for
- * all new code. A driver must never define both.
*/
- int (* device_configure)(struct scsi_device *, struct queue_limits *lim);
- int (* slave_configure)(struct scsi_device *);
+ int (* sdev_configure)(struct scsi_device *, struct queue_limits *lim);
/*
* Immediately prior to deallocating the device and after all activity
* has ceased the mid layer calls this point so that the low level
* driver may completely detach itself from the scsi device and vice
* versa. The low level driver is responsible for freeing any memory
- * it allocated in the slave_alloc or slave_configure calls.
+ * it allocated in the sdev_init or sdev_configure calls.
*
* Status: OPTIONAL
*/
- void (* slave_destroy)(struct scsi_device *);
+ void (* sdev_destroy)(struct scsi_device *);
/*
* Before the mid layer attempts to scan for a new device attached
@@ -438,8 +434,10 @@ struct scsi_host_template {
*/
short cmd_per_lun;
- /* If use block layer to manage tags, this is tag allocation policy */
- int tag_alloc_policy;
+ /*
+ * Allocate tags starting from last allocated tag.
+ */
+ bool tag_alloc_policy_rr : 1;
/*
* Track QUEUE_FULL events and reduce queue depth on demand.
@@ -599,7 +597,7 @@ struct Scsi_Host {
* have some way of identifying each detected host adapter properly
* and uniquely. For hosts that do not support more than one card
* in the system at one time, this does not need to be set. It is
- * initialized to 0 in scsi_register.
+ * initialized to 0 in scsi_host_alloc.
*/
unsigned int unique_id;
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index 70e1262b2e20..aeca37816506 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -33,8 +33,8 @@
#define INQUIRY 0x12
#define RECOVER_BUFFERED_DATA 0x14
#define MODE_SELECT 0x15
-#define RESERVE 0x16
-#define RELEASE 0x17
+#define RESERVE_6 0x16
+#define RELEASE_6 0x17
#define COPY 0x18
#define ERASE 0x19
#define MODE_SENSE 0x1a
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index bd1243657c01..76de2b662f4f 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -447,10 +447,6 @@ extern int iscsi_add_session(struct iscsi_cls_session *session,
unsigned int target_id);
extern int iscsi_session_event(struct iscsi_cls_session *session,
enum iscsi_uevent_e event);
-extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
- struct iscsi_transport *t,
- int dd_size,
- unsigned int target_id);
extern void iscsi_force_destroy_session(struct iscsi_cls_session *session);
extern void iscsi_remove_session(struct iscsi_cls_session *session);
extern void iscsi_free_session(struct iscsi_cls_session *session);
@@ -497,8 +493,8 @@ extern void iscsi_destroy_all_flashnode(struct Scsi_Host *shost);
extern int iscsi_flashnode_bus_match(struct device *dev,
const struct device_driver *drv);
extern struct device *
-iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data,
- int (*fn)(struct device *dev, void *data));
+iscsi_find_flashnode_sess(struct Scsi_Host *shost, const void *data,
+ device_match_t fn);
extern struct device *
iscsi_find_flashnode_conn(struct iscsi_bus_flash_session *fnode_sess);