aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/sd.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/sd.h')
-rw-r--r--drivers/scsi/sd.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 47c52a6d733..620871efbf0 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -13,7 +13,12 @@
*/
#define SD_TIMEOUT (30 * HZ)
#define SD_MOD_TIMEOUT (75 * HZ)
-#define SD_FLUSH_TIMEOUT (60 * HZ)
+/*
+ * Flush timeout is a multiplier over the standard device timeout which is
+ * user modifiable via sysfs but initially set to SD_TIMEOUT
+ */
+#define SD_FLUSH_TIMEOUT_MULTIPLIER 2
+#define SD_WRITE_SAME_TIMEOUT (120 * HZ)
/*
* Number of allowed retries
@@ -39,6 +44,11 @@ enum {
};
enum {
+ SD_MAX_WS10_BLOCKS = 0xffff,
+ SD_MAX_WS16_BLOCKS = 0x7fffff,
+};
+
+enum {
SD_LBP_FULL = 0, /* Full logical block provisioning */
SD_LBP_UNMAP, /* Use UNMAP command */
SD_LBP_WS16, /* Use WRITE SAME(16) with UNMAP bit */
@@ -67,6 +77,7 @@ struct scsi_disk {
u8 protection_type;/* Data Integrity Field */
u8 provisioning_mode;
unsigned ATO : 1; /* state of disk ATO bit */
+ unsigned cache_override : 1; /* temp override of WCE,RCD */
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
@@ -77,6 +88,8 @@ struct scsi_disk {
unsigned lbpws : 1;
unsigned lbpws10 : 1;
unsigned lbpvpd : 1;
+ unsigned ws10 : 1;
+ unsigned ws16 : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
@@ -91,6 +104,12 @@ static inline struct scsi_disk *scsi_disk(struct gendisk *disk)
(sdsk)->disk->disk_name, ##a) : \
sdev_printk(prefix, (sdsk)->device, fmt, ##a)
+#define sd_first_printk(prefix, sdsk, fmt, a...) \
+ do { \
+ if ((sdkp)->first_scan) \
+ sd_printk(prefix, sdsk, fmt, ##a); \
+ } while (0)
+
static inline int scsi_medium_access_command(struct scsi_cmnd *scmd)
{
switch (scmd->cmnd[0]) {