[SCSI] libiscsi: pass session failure a session struct

[safe/jmp/linux-2.6] / include / scsi / libsas.h

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 1d39485..e78d3b6 100644 (file)
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -30,12 +30,12 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <scsi/sas.h>
+#include <linux/libata.h>
 #include <linux/list.h>
-#include <asm/semaphore.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_transport_sas.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 
 struct block_device;
 
@@ -90,8 +90,6 @@ enum discover_event {
 
 /* ---------- Expander Devices ---------- */
 
-#define ETASK 0xFA
-
 #define to_dom_device(_obj) container_of(_obj, struct domain_device, dev_obj)
 #define to_dev_attr(_attr)  container_of(_attr, struct domain_dev_attribute,\
                                          attr)
@@ -121,8 +119,8 @@ struct ex_phy {
        u8   attached_sata_dev:1;
        u8   attached_sata_ps:1;
 
-       enum sas_proto attached_tproto;
-       enum sas_proto attached_iproto;
+       enum sas_protocol attached_tproto;
+       enum sas_protocol attached_iproto;
 
        u8   attached_sas_addr[SAS_ADDR_SIZE];
        u8   attached_phy_id;
@@ -165,6 +163,13 @@ struct sata_device {
 
         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;
+       u32 sstatus;
+       u32 serror;
+       u32 scontrol;
 };
 
 /* ---------- Domain device ---------- */
@@ -183,8 +188,8 @@ struct domain_device {
 
         struct list_head dev_list_node;
 
-        enum sas_proto    iproto;
-        enum sas_proto    tproto;
+        enum sas_protocol    iproto;
+        enum sas_protocol    tproto;
 
         struct sas_rphy *rphy;
 
@@ -237,8 +242,8 @@ struct asd_sas_port {
        enum sas_class   class;
        u8               sas_addr[SAS_ADDR_SIZE];
        u8               attached_sas_addr[SAS_ADDR_SIZE];
-       enum sas_proto   iproto;
-       enum sas_proto   tproto;
+       enum sas_protocol   iproto;
+       enum sas_protocol   tproto;
 
        enum sas_oob_mode oob_mode;
 
@@ -281,8 +286,8 @@ struct asd_sas_phy {
 
        int            id;        /* must be set */
        enum sas_class class;
-       enum sas_proto iproto;
-       enum sas_proto tproto;
+       enum sas_protocol iproto;
+       enum sas_protocol tproto;
 
        enum sas_phy_type  type;
        enum sas_phy_role  role;
@@ -314,8 +319,7 @@ struct scsi_core {
        struct list_head  task_queue;
        int               task_queue_size;
 
-       struct semaphore  queue_thread_sema;
-       int               queue_thread_kill;
+       struct task_struct *queue_thread;
 };
 
 struct sas_ha_event {
@@ -323,17 +327,25 @@ struct sas_ha_event {
        struct sas_ha_struct *ha;
 };
 
+enum sas_ha_state {
+       SAS_HA_REGISTERED,
+       SAS_HA_UNREGISTERED
+};
+
 struct sas_ha_struct {
 /* private: */
        spinlock_t       event_lock;
        struct sas_ha_event ha_events[HA_NUM_EVENTS];
        unsigned long    pending;
 
+       enum sas_ha_state state;
+       spinlock_t        state_lock;
+
        struct scsi_core core;
 
 /* public: */
        char *sas_ha_name;
-       struct pci_dev *pcidev;   /* should be set */
+       struct device *dev;       /* should be set */
        struct module *lldd_module; /* should be set */
 
        u8 *sas_addr;             /* must be set */
@@ -522,7 +534,7 @@ struct sas_task {
        spinlock_t   task_state_lock;
        unsigned     task_state_flags;
 
-       enum   sas_proto      task_proto;
+       enum   sas_protocol      task_proto;
 
        /* Used by the discovery code. */
        struct timer_list     timer;
@@ -548,20 +560,19 @@ struct sas_task {
        struct work_struct abort_work;
 };
 
-
+extern struct kmem_cache *sas_task_cache;
 
 #define SAS_TASK_STATE_PENDING      1
 #define SAS_TASK_STATE_DONE         2
 #define SAS_TASK_STATE_ABORTED      4
+#define SAS_TASK_NEED_DEV_RESET     8
 #define SAS_TASK_AT_INITIATOR       16
 
 static inline struct sas_task *sas_alloc_task(gfp_t flags)
 {
-       extern struct kmem_cache *sas_task_cache;
-       struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
+       struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
 
        if (task) {
-               memset(task, 0, sizeof(*task));
                INIT_LIST_HEAD(&task->list);
                spin_lock_init(&task->task_state_lock);
                task->task_state_flags = SAS_TASK_STATE_PENDING;
@@ -575,7 +586,6 @@ static inline struct sas_task *sas_alloc_task(gfp_t flags)
 static inline void sas_free_task(struct sas_task *task)
 {
        if (task) {
-               extern struct kmem_cache *sas_task_cache;
                BUG_ON(!list_empty(&task->list));
                kmem_cache_free(sas_task_cache, task);
        }
@@ -617,6 +627,7 @@ int sas_set_phy_speed(struct sas_phy *phy,
                      struct sas_phy_linkrates *rates);
 int sas_phy_enable(struct sas_phy *phy, int enabled);
 int sas_phy_reset(struct sas_phy *phy, int hard_reset);
+int sas_queue_up(struct sas_task *task);
 extern int sas_queuecommand(struct scsi_cmnd *,
                     void (*scsi_done)(struct scsi_cmnd *));
 extern int sas_target_alloc(struct scsi_target *);
@@ -649,6 +660,22 @@ void sas_unregister_dev(struct domain_device *);
 
 void sas_init_dev(struct domain_device *);
 
-void sas_task_abort(struct work_struct *);
+void sas_task_abort(struct sas_task *);
+int __sas_task_abort(struct sas_task *);
+int sas_eh_device_reset_handler(struct scsi_cmnd *cmd);
+int sas_eh_bus_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_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
+
+extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
+                          struct request *req);
+
+extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
+                                 struct ssp_response_iu *iu);
+struct sas_phy *sas_find_local_phy(struct domain_device *dev);
+
+int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
 
 #endif /* _SASLIB_H_ */