#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;
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;
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 ---------- */
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;
void *lldd_dev;
};
+struct sas_discovery_event {
+ struct work_struct work;
+ struct asd_sas_port *port;
+};
+
struct sas_discovery {
spinlock_t disc_event_lock;
- struct work_struct disc_work[DISC_NUM_EVENTS];
+ struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
unsigned long pending;
u8 fanout_sas_addr[8];
u8 eeds_a[8];
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;
void *lldd_port; /* not touched by the sas class code */
};
+struct asd_sas_event {
+ struct work_struct work;
+ struct asd_sas_phy *phy;
+};
+
/* The phy pretty much is controlled by the LLDD.
* The class only reads those fields.
*/
struct asd_sas_phy {
/* private: */
/* protected by ha->event_lock */
- struct work_struct port_events[PORT_NUM_EVENTS];
- struct work_struct phy_events[PHY_NUM_EVENTS];
+ struct asd_sas_event port_events[PORT_NUM_EVENTS];
+ struct asd_sas_event phy_events[PHY_NUM_EVENTS];
unsigned long port_events_pending;
unsigned long phy_events_pending;
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;
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 {
+ struct work_struct work;
+ 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 work_struct ha_events[HA_NUM_EVENTS];
+ 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 */
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;
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_INITIATOR_ABORTED 8
+#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 kmem_cache_t *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;
static inline void sas_free_task(struct sas_task *task)
{
if (task) {
- extern kmem_cache_t *sas_task_cache;
BUG_ON(!list_empty(&task->list));
kmem_cache_free(sas_task_cache, task);
}
extern int sas_register_ha(struct sas_ha_struct *);
extern int sas_unregister_ha(struct sas_ha_struct *);
+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 *);
void sas_init_dev(struct domain_device *);
-void sas_task_abort(struct sas_task *task);
+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);
#endif /* _SASLIB_H_ */