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-rw-r--r--include/scsi/libsas.h12
-rw-r--r--include/scsi/sas_ata.h5
-rw-r--r--include/scsi/scsi_transport_sas.h1
3 files changed, 16 insertions, 2 deletions
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index d792b13..bd6e89e 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -86,7 +86,9 @@ enum discover_event {
DISCE_DISCOVER_DOMAIN = 0U,
DISCE_REVALIDATE_DOMAIN = 1,
DISCE_PORT_GONE = 2,
- DISC_NUM_EVENTS = 3,
+ DISCE_PROBE = 3,
+ DISCE_DESTRUCT = 4,
+ DISC_NUM_EVENTS = 5,
};
/* ---------- Expander Devices ---------- */
@@ -175,6 +177,7 @@ struct sata_device {
enum {
SAS_DEV_GONE,
+ SAS_DEV_DESTROY,
};
struct domain_device {
@@ -191,6 +194,7 @@ struct domain_device {
struct asd_sas_port *port; /* shortcut to root of the tree */
struct list_head dev_list_node;
+ struct list_head disco_list_node; /* awaiting probe or destruct */
enum sas_protocol iproto;
enum sas_protocol tproto;
@@ -226,7 +230,6 @@ struct sas_discovery {
int max_level;
};
-
/* The port struct is Class:RW, driver:RO */
struct asd_sas_port {
/* private: */
@@ -236,6 +239,8 @@ struct asd_sas_port {
struct domain_device *port_dev;
spinlock_t dev_list_lock;
struct list_head dev_list;
+ struct list_head disco_list;
+ struct list_head destroy_list;
enum sas_linkrate linkrate;
struct sas_phy *phy;
@@ -334,6 +339,7 @@ struct sas_ha_event {
enum sas_ha_state {
SAS_HA_REGISTERED,
SAS_HA_DRAINING,
+ SAS_HA_ATA_EH_ACTIVE,
};
struct sas_ha_struct {
@@ -346,6 +352,8 @@ struct sas_ha_struct {
unsigned long state;
spinlock_t state_lock;
+ struct mutex disco_mutex;
+
struct scsi_core core;
/* public: */
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index 7d5013f..557fc9a8 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -45,6 +45,7 @@ int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task,
enum blk_eh_timer_return *rtn);
int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
struct list_head *done_q);
+void sas_probe_sata(struct work_struct *work);
#else
@@ -78,6 +79,10 @@ static inline int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
return 0;
}
+static inline void sas_probe_sata(struct work_struct *work)
+{
+}
+
#endif
#endif /* _SAS_ATA_H_ */
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index ffeebc3..6d14daa 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -194,6 +194,7 @@ void sas_rphy_free(struct sas_rphy *);
extern int sas_rphy_add(struct sas_rphy *);
extern void sas_rphy_remove(struct sas_rphy *);
extern void sas_rphy_delete(struct sas_rphy *);
+extern void sas_rphy_unlink(struct sas_rphy *);
extern int scsi_is_sas_rphy(const struct device *);
struct sas_port *sas_port_alloc(struct device *, int);