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path: root/drivers/scsi/ufs/ufshcd.h
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Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
-rw-r--r--drivers/scsi/ufs/ufshcd.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 8110dcd04d22..f51758f1e5cc 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -362,6 +362,7 @@ struct ufs_clk_gating {
struct device_attribute enable_attr;
bool is_enabled;
int active_reqs;
+ struct workqueue_struct *clk_gating_workq;
};
struct ufs_saved_pwr_info {
@@ -499,6 +500,7 @@ struct ufs_stats {
* @urgent_bkops_lvl: keeps track of urgent bkops level for device
* @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
* device is known or not.
+ * @scsi_block_reqs_cnt: reference counting for scsi block requests
*/
struct ufs_hba {
void __iomem *mmio_base;
@@ -595,6 +597,22 @@ struct ufs_hba {
*/
#define UFSHCD_QUIRK_PRDT_BYTE_GRAN 0x80
+ /*
+ * Clear handling for transfer/task request list is just opposite.
+ */
+ #define UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR 0x100
+
+ /*
+ * This quirk needs to be enabled if host controller doesn't allow
+ * that the interrupt aggregation timer and counter are reset by s/w.
+ */
+ #define UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR 0x200
+
+ /*
+ * This quirks needs to be enabled if host controller cannot be
+ * enabled via HCE register.
+ */
+ #define UFSHCI_QUIRK_BROKEN_HCE 0x400
unsigned int quirks; /* Deviations from standard UFSHCI spec. */
/* Device deviations from standard UFS device spec. */
@@ -683,6 +701,7 @@ struct ufs_hba {
struct rw_semaphore clk_scaling_lock;
struct ufs_desc_size desc_size;
+ atomic_t scsi_block_reqs_cnt;
};
/* Returns true if clocks can be gated. Otherwise false */
@@ -789,6 +808,8 @@ extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel,
u8 attr_set, u32 mib_val, u8 peer);
extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
u32 *mib_val, u8 peer);
+extern int ufshcd_config_pwr_mode(struct ufs_hba *hba,
+ struct ufs_pa_layer_attr *desired_pwr_mode);
/* UIC command interfaces for DME primitives */
#define DME_LOCAL 0