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Diffstat (limited to 'include/scsi/libsas.h')
-rw-r--r--include/scsi/libsas.h36
1 files changed, 27 insertions, 9 deletions
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index f4f1c96dca72..ae33706afeb0 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -163,20 +163,29 @@ enum ata_command_set {
ATAPI_COMMAND_SET = 1,
};
+#define ATA_RESP_FIS_SIZE 24
+
struct sata_device {
enum ata_command_set command_set;
struct smp_resp rps_resp; /* report_phy_sata_resp */
u8 port_no; /* port number, if this is a PM (Port) */
- struct list_head children; /* PM Ports if this is a PM */
struct ata_port *ap;
struct ata_host ata_host;
- struct ata_taskfile tf;
+ u8 fis[ATA_RESP_FIS_SIZE];
+};
+
+struct ssp_device {
+ struct list_head eh_list_node; /* pending a user requested eh action */
+ struct scsi_lun reset_lun;
};
enum {
SAS_DEV_GONE,
SAS_DEV_DESTROY,
+ SAS_DEV_EH_PENDING,
+ SAS_DEV_LU_RESET,
+ SAS_DEV_RESET,
};
struct domain_device {
@@ -210,6 +219,7 @@ struct domain_device {
union {
struct expander_device ex_dev;
struct sata_device sata_dev; /* STP & directly attached */
+ struct ssp_device ssp_dev;
};
void *lldd_dev;
@@ -384,7 +394,10 @@ struct sas_ha_struct {
struct list_head defer_q; /* work queued while draining */
struct mutex drain_mutex;
unsigned long state;
- spinlock_t state_lock;
+ spinlock_t lock;
+ int eh_active;
+ wait_queue_head_t eh_wait_q;
+ struct list_head eh_dev_q;
struct mutex disco_mutex;
@@ -537,7 +550,7 @@ enum exec_status {
*/
struct ata_task_resp {
u16 frame_len;
- u8 ending_fis[24]; /* dev to host or data-in */
+ u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */
};
#define SAS_STATUS_BUF_SIZE 96
@@ -600,10 +613,6 @@ struct sas_task {
enum sas_protocol task_proto;
- /* Used by the discovery code. */
- struct timer_list timer;
- struct completion completion;
-
union {
struct sas_ata_task ata_task;
struct sas_smp_task smp_task;
@@ -620,8 +629,15 @@ struct sas_task {
void *lldd_task; /* for use by LLDDs */
void *uldd_task;
+ struct sas_task_slow *slow_task;
+};
- struct work_struct abort_work;
+struct sas_task_slow {
+ /* standard/extra infrastructure for slow path commands (SMP and
+ * internal lldd commands
+ */
+ struct timer_list timer;
+ struct completion completion;
};
#define SAS_TASK_STATE_PENDING 1
@@ -631,6 +647,7 @@ struct sas_task {
#define SAS_TASK_AT_INITIATOR 16
extern struct sas_task *sas_alloc_task(gfp_t flags);
+extern struct sas_task *sas_alloc_slow_task(gfp_t flags);
extern void sas_free_task(struct sas_task *task);
struct sas_domain_function_template {
@@ -706,6 +723,7 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *);
void sas_init_dev(struct domain_device *);
void sas_task_abort(struct sas_task *);
+int sas_eh_abort_handler(struct scsi_cmnd *cmd);
int sas_eh_device_reset_handler(struct scsi_cmnd *cmd);
int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd);