summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/mpt3sas/mpt3sas_base.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_base.h')
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 3b4aaa1a05a1..b61a7859a4ca 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -273,6 +273,7 @@ struct Mpi2ManufacturingPage11_t {
* @flags: MPT_TARGET_FLAGS_XXX flags
* @deleted: target flaged for deletion
* @tm_busy: target is busy with TM request.
+ * @sdev: The sas_device associated with this target
*/
struct MPT3SAS_TARGET {
struct scsi_target *starget;
@@ -283,6 +284,7 @@ struct MPT3SAS_TARGET {
u32 flags;
u8 deleted;
u8 tm_busy;
+ struct _sas_device *sdev;
};
@@ -389,8 +391,24 @@ struct _sas_device {
u8 pend_sas_rphy_add;
u8 enclosure_level;
u8 connector_name[4];
+ struct kref refcount;
};
+static inline void sas_device_get(struct _sas_device *s)
+{
+ kref_get(&s->refcount);
+}
+
+static inline void sas_device_free(struct kref *r)
+{
+ kfree(container_of(r, struct _sas_device, refcount));
+}
+
+static inline void sas_device_put(struct _sas_device *s)
+{
+ kref_put(&s->refcount, sas_device_free);
+}
+
/**
* struct _raid_device - raid volume link list
* @list: sas device list
@@ -1148,8 +1166,10 @@ struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
struct MPT3SAS_ADAPTER *ioc, u16 handle);
struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
-struct _sas_device *mpt3sas_scsih_sas_device_find_by_sas_address(
- struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
+struct _sas_device *mpt3sas_get_sdev_by_addr(
+ struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
+struct _sas_device *__mpt3sas_get_sdev_by_addr(
+ struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);