#define MTIP_FTL_REBUILD_MAGIC 0xED51
#define MTIP_FTL_REBUILD_TIMEOUT_MS 2400000
+/* unaligned IO handling */
+#define MTIP_MAX_UNALIGNED_SLOTS 8
+
/* Macro to extract the tag bit number from a tag value. */
#define MTIP_TAG_BIT(tag) (tag & 0x1F)
int scatter_ents; /* Number of scatter list entries used */
+ int unaligned; /* command is unaligned on 4k boundary */
+
struct scatterlist sg[MTIP_MAX_SG]; /* Scatter list entries */
int retries; /* The number of retries left for this command. */
* command slots available.
*/
struct semaphore cmd_slot;
+
+ /* Semaphore to control queue depth of unaligned IOs */
+ struct semaphore cmd_slot_unal;
+
/* Spinlock for working around command-issue bug. */
spinlock_t cmd_issue_lock[MTIP_MAX_SLOT_GROUPS];
};
int isr_binding;
+ int unal_qdepth; /* qdepth of unaligned IO queue */
+
struct list_head online_list; /* linkage for online list */
struct list_head remove_list; /* linkage for removing list */