@@ -994,7 +994,7 @@ Description: This file shows the amount of physical memory needed
What: /sys/bus/platform/drivers/ufshcd/*/rpm_lvl
What: /sys/bus/platform/devices/*.ufs/rpm_lvl
Date: September 2014
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry could be used to set or show the UFS device
runtime power management level. The current driver
implementation supports 7 levels with next target states:
@@ -1021,7 +1021,7 @@ Description: This entry could be used to set or show the UFS device
What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state
What: /sys/bus/platform/devices/*.ufs/rpm_target_dev_state
Date: February 2018
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry shows the target power mode of an UFS device
for the chosen runtime power management level.
@@ -1030,7 +1030,7 @@ Description: This entry shows the target power mode of an UFS device
What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_link_state
What: /sys/bus/platform/devices/*.ufs/rpm_target_link_state
Date: February 2018
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry shows the target state of an UFS UIC link
for the chosen runtime power management level.
@@ -1039,7 +1039,7 @@ Description: This entry shows the target state of an UFS UIC link
What: /sys/bus/platform/drivers/ufshcd/*/spm_lvl
What: /sys/bus/platform/devices/*.ufs/spm_lvl
Date: September 2014
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry could be used to set or show the UFS device
system power management level. The current driver
implementation supports 7 levels with next target states:
@@ -1066,7 +1066,7 @@ Description: This entry could be used to set or show the UFS device
What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state
What: /sys/bus/platform/devices/*.ufs/spm_target_dev_state
Date: February 2018
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry shows the target power mode of an UFS device
for the chosen system power management level.
@@ -1075,7 +1075,7 @@ Description: This entry shows the target power mode of an UFS device
What: /sys/bus/platform/drivers/ufshcd/*/spm_target_link_state
What: /sys/bus/platform/devices/*.ufs/spm_target_link_state
Date: February 2018
-Contact: Subhash Jadavani <subhashj@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This entry shows the target state of an UFS UIC link
for the chosen system power management level.
@@ -1084,7 +1084,7 @@ Description: This entry shows the target state of an UFS UIC link
What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable
What: /sys/bus/platform/devices/*.ufs/monitor/monitor_enable
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the status of performance monitor enablement
and it can be used to start/stop the monitor. When the monitor
is stopped, the performance data collected is also cleared.
@@ -1092,7 +1092,7 @@ Description: This file shows the status of performance monitor enablement
What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size
What: /sys/bus/platform/devices/*.ufs/monitor/monitor_chunk_size
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file tells the monitor to focus on requests transferring
data of specific chunk size (in Bytes). 0 means any chunk size.
It can only be changed when monitor is disabled.
@@ -1100,7 +1100,7 @@ Description: This file tells the monitor to focus on requests transferring
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors
What: /sys/bus/platform/devices/*.ufs/monitor/read_total_sectors
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how many sectors (in 512 Bytes) have been
sent from device to host after monitor gets started.
@@ -1109,7 +1109,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy
What: /sys/bus/platform/devices/*.ufs/monitor/read_total_busy
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how long (in micro seconds) has been spent
sending data from device to host after monitor gets started.
@@ -1118,7 +1118,7 @@ Description: This file shows how long (in micro seconds) has been spent
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests
What: /sys/bus/platform/devices/*.ufs/monitor/read_nr_requests
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how many read requests have been sent after
monitor gets started.
@@ -1127,7 +1127,7 @@ Description: This file shows how many read requests have been sent after
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max
What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_max
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the maximum latency (in micro seconds) of
read requests after monitor gets started.
@@ -1136,7 +1136,7 @@ Description: This file shows the maximum latency (in micro seconds) of
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min
What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_min
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the minimum latency (in micro seconds) of
read requests after monitor gets started.
@@ -1145,7 +1145,7 @@ Description: This file shows the minimum latency (in micro seconds) of
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg
What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_avg
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the average latency (in micro seconds) of
read requests after monitor gets started.
@@ -1154,7 +1154,7 @@ Description: This file shows the average latency (in micro seconds) of
What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum
What: /sys/bus/platform/devices/*.ufs/monitor/read_req_latency_sum
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the total latency (in micro seconds) of
read requests sent after monitor gets started.
@@ -1163,7 +1163,7 @@ Description: This file shows the total latency (in micro seconds) of
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors
What: /sys/bus/platform/devices/*.ufs/monitor/write_total_sectors
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how many sectors (in 512 Bytes) have been sent
from host to device after monitor gets started.
@@ -1172,7 +1172,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been sent
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy
What: /sys/bus/platform/devices/*.ufs/monitor/write_total_busy
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how long (in micro seconds) has been spent
sending data from host to device after monitor gets started.
@@ -1181,7 +1181,7 @@ Description: This file shows how long (in micro seconds) has been spent
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests
What: /sys/bus/platform/devices/*.ufs/monitor/write_nr_requests
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows how many write requests have been sent after
monitor gets started.
@@ -1190,7 +1190,7 @@ Description: This file shows how many write requests have been sent after
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max
What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_max
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the maximum latency (in micro seconds) of write
requests after monitor gets started.
@@ -1199,7 +1199,7 @@ Description: This file shows the maximum latency (in micro seconds) of write
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min
What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_min
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the minimum latency (in micro seconds) of write
requests after monitor gets started.
@@ -1208,7 +1208,7 @@ Description: This file shows the minimum latency (in micro seconds) of write
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg
What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_avg
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the average latency (in micro seconds) of write
requests after monitor gets started.
@@ -1217,7 +1217,7 @@ Description: This file shows the average latency (in micro seconds) of write
What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum
What: /sys/bus/platform/devices/*.ufs/monitor/write_req_latency_sum
Date: January 2021
-Contact: Can Guo <cang@codeaurora.org>
+Contact: Can Guo <quic_cang@quicinc.com>
Description: This file shows the total latency (in micro seconds) of write
requests after monitor gets started.
@@ -1226,7 +1226,7 @@ Description: This file shows the total latency (in micro seconds) of write
What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en
What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_presv_us_en
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows if preserve user-space was configured
The file is read only.
@@ -1234,7 +1234,7 @@ Description: This entry shows if preserve user-space was configured
What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_shared_alloc_units
What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_shared_alloc_units
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the shared allocated units of WB buffer
The file is read only.
@@ -1242,7 +1242,7 @@ Description: This entry shows the shared allocated units of WB buffer
What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_type
What: /sys/bus/platform/devices/*.ufs/device_descriptor/wb_type
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the configured WB type.
0x1 for shared buffer mode. 0x0 for dedicated buffer mode.
@@ -1251,7 +1251,7 @@ Description: This entry shows the configured WB type.
What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_buff_cap_adj
What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_buff_cap_adj
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the total user-space decrease in shared
buffer mode.
The value of this parameter is 3 for TLC NAND when SLC mode
@@ -1262,7 +1262,7 @@ Description: This entry shows the total user-space decrease in shared
What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_alloc_units
What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_alloc_units
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the Maximum total WriteBooster Buffer size
which is supported by the entire device.
@@ -1271,7 +1271,7 @@ Description: This entry shows the Maximum total WriteBooster Buffer size
What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_wb_luns
What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_wb_luns
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the maximum number of luns that can support
WriteBooster.
@@ -1280,7 +1280,7 @@ Description: This entry shows the maximum number of luns that can support
What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_red_type
What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_red_type
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: The supportability of user space reduction mode
and preserve user space mode.
00h: WriteBooster Buffer can be configured only in
@@ -1295,7 +1295,7 @@ Description: The supportability of user space reduction mode
What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_wb_type
What: /sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_wb_type
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: The supportability of WriteBooster Buffer type.
=== ==========================================================
@@ -1310,7 +1310,7 @@ Description: The supportability of WriteBooster Buffer type.
What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_enable
What: /sys/bus/platform/devices/*.ufs/flags/wb_enable
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the status of WriteBooster.
== ============================
@@ -1323,7 +1323,7 @@ Description: This entry shows the status of WriteBooster.
What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_en
What: /sys/bus/platform/devices/*.ufs/flags/wb_flush_en
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows if flush is enabled.
== =================================
@@ -1336,7 +1336,7 @@ Description: This entry shows if flush is enabled.
What: /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_during_h8
What: /sys/bus/platform/devices/*.ufs/flags/wb_flush_during_h8
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: Flush WriteBooster Buffer during hibernate state.
== =================================================
@@ -1351,7 +1351,7 @@ Description: Flush WriteBooster Buffer during hibernate state.
What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_avail_buf
What: /sys/bus/platform/devices/*.ufs/attributes/wb_avail_buf
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the amount of unused WriteBooster buffer
available.
@@ -1360,7 +1360,7 @@ Description: This entry shows the amount of unused WriteBooster buffer
What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_cur_buf
What: /sys/bus/platform/devices/*.ufs/attributes/wb_cur_buf
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the amount of unused current buffer.
The file is read only.
@@ -1368,7 +1368,7 @@ Description: This entry shows the amount of unused current buffer.
What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_flush_status
What: /sys/bus/platform/devices/*.ufs/attributes/wb_flush_status
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the flush operation status.
@@ -1385,7 +1385,7 @@ Description: This entry shows the flush operation status.
What: /sys/bus/platform/drivers/ufshcd/*/attributes/wb_life_time_est
What: /sys/bus/platform/devices/*.ufs/attributes/wb_life_time_est
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows an indication of the WriteBooster Buffer
lifetime based on the amount of performed program/erase cycles
@@ -1399,7 +1399,7 @@ Description: This entry shows an indication of the WriteBooster Buffer
What: /sys/class/scsi_device/*/device/unit_descriptor/wb_buf_alloc_units
Date: June 2020
-Contact: Asutosh Das <asutoshd@codeaurora.org>
+Contact: Asutosh Das <quic_asutoshd@quicinc.com>
Description: This entry shows the configured size of WriteBooster buffer.
0400h corresponds to 4GB.
@@ -442,7 +442,6 @@ struct blk_revalidate_zone_args {
unsigned long *conv_zones_bitmap;
unsigned long *seq_zones_wlock;
unsigned int nr_zones;
- sector_t zone_sectors;
sector_t sector;
};
@@ -456,38 +455,34 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx,
struct gendisk *disk = args->disk;
struct request_queue *q = disk->queue;
sector_t capacity = get_capacity(disk);
+ sector_t zone_sectors = q->limits.chunk_sectors;
+
+ /* Check for bad zones and holes in the zone report */
+ if (zone->start != args->sector) {
+ pr_warn("%s: Zone gap at sectors %llu..%llu\n",
+ disk->disk_name, args->sector, zone->start);
+ return -ENODEV;
+ }
+
+ if (zone->start >= capacity || !zone->len) {
+ pr_warn("%s: Invalid zone start %llu, length %llu\n",
+ disk->disk_name, zone->start, zone->len);
+ return -ENODEV;
+ }
/*
* All zones must have the same size, with the exception on an eventual
* smaller last zone.
*/
- if (zone->start == 0) {
- if (zone->len == 0 || !is_power_of_2(zone->len)) {
- pr_warn("%s: Invalid zoned device with non power of two zone size (%llu)\n",
- disk->disk_name, zone->len);
- return -ENODEV;
- }
-
- args->zone_sectors = zone->len;
- args->nr_zones = (capacity + zone->len - 1) >> ilog2(zone->len);
- } else if (zone->start + args->zone_sectors < capacity) {
- if (zone->len != args->zone_sectors) {
+ if (zone->start + zone->len < capacity) {
+ if (zone->len != zone_sectors) {
pr_warn("%s: Invalid zoned device with non constant zone size\n",
disk->disk_name);
return -ENODEV;
}
- } else {
- if (zone->len > args->zone_sectors) {
- pr_warn("%s: Invalid zoned device with larger last zone size\n",
- disk->disk_name);
- return -ENODEV;
- }
- }
-
- /* Check for holes in the zone report */
- if (zone->start != args->sector) {
- pr_warn("%s: Zone gap at sectors %llu..%llu\n",
- disk->disk_name, args->sector, zone->start);
+ } else if (zone->len > zone_sectors) {
+ pr_warn("%s: Invalid zoned device with larger last zone size\n",
+ disk->disk_name);
return -ENODEV;
}
@@ -526,11 +521,13 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx,
* @disk: Target disk
* @update_driver_data: Callback to update driver data on the frozen disk
*
- * Helper function for low-level device drivers to (re) allocate and initialize
- * a disk request queue zone bitmaps. This functions should normally be called
- * within the disk ->revalidate method for blk-mq based drivers. For BIO based
- * drivers only q->nr_zones needs to be updated so that the sysfs exposed value
- * is correct.
+ * Helper function for low-level device drivers to check and (re) allocate and
+ * initialize a disk request queue zone bitmaps. This functions should normally
+ * be called within the disk ->revalidate method for blk-mq based drivers.
+ * Before calling this function, the device driver must already have set the
+ * device zone size (chunk_sector limit) and the max zone append limit.
+ * For BIO based drivers, this function cannot be used. BIO based device drivers
+ * only need to set disk->nr_zones so that the sysfs exposed value is correct.
* If the @update_driver_data callback function is not NULL, the callback is
* executed with the device request queue frozen after all zones have been
* checked.
@@ -539,9 +536,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
void (*update_driver_data)(struct gendisk *disk))
{
struct request_queue *q = disk->queue;
- struct blk_revalidate_zone_args args = {
- .disk = disk,
- };
+ sector_t zone_sectors = q->limits.chunk_sectors;
+ sector_t capacity = get_capacity(disk);
+ struct blk_revalidate_zone_args args = { };
unsigned int noio_flag;
int ret;
@@ -550,13 +547,31 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
if (WARN_ON_ONCE(!queue_is_mq(q)))
return -EIO;
- if (!get_capacity(disk))
- return -EIO;
+ if (!capacity)
+ return -ENODEV;
+
+ /*
+ * Checks that the device driver indicated a valid zone size and that
+ * the max zone append limit is set.
+ */
+ if (!zone_sectors || !is_power_of_2(zone_sectors)) {
+ pr_warn("%s: Invalid non power of two zone size (%llu)\n",
+ disk->disk_name, zone_sectors);
+ return -ENODEV;
+ }
+
+ if (!q->limits.max_zone_append_sectors) {
+ pr_warn("%s: Invalid 0 maximum zone append limit\n",
+ disk->disk_name);
+ return -ENODEV;
+ }
/*
* Ensure that all memory allocations in this context are done as if
* GFP_NOIO was specified.
*/
+ args.disk = disk;
+ args.nr_zones = (capacity + zone_sectors - 1) >> ilog2(zone_sectors);
noio_flag = memalloc_noio_save();
ret = disk->fops->report_zones(disk, 0, UINT_MAX,
blk_revalidate_zone_cb, &args);
@@ -570,7 +585,7 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
* If zones where reported, make sure that the entire disk capacity
* has been checked.
*/
- if (ret > 0 && args.sector != get_capacity(disk)) {
+ if (ret > 0 && args.sector != capacity) {
pr_warn("%s: Missing zones from sector %llu\n",
disk->disk_name, args.sector);
ret = -ENODEV;
@@ -583,7 +598,6 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
*/
blk_mq_freeze_queue(q);
if (ret > 0) {
- blk_queue_chunk_sectors(q, args.zone_sectors);
disk->nr_zones = args.nr_zones;
swap(disk->seq_zones_wlock, args.seq_zones_wlock);
swap(disk->conv_zones_bitmap, args.conv_zones_bitmap);
@@ -162,21 +162,15 @@ int null_register_zoned_dev(struct nullb *nullb)
disk_set_zoned(nullb->disk, BLK_ZONED_HM);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
-
- if (queue_is_mq(q)) {
- int ret = blk_revalidate_disk_zones(nullb->disk, NULL);
-
- if (ret)
- return ret;
- } else {
- blk_queue_chunk_sectors(q, dev->zone_size_sects);
- nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);
- }
-
+ blk_queue_chunk_sectors(q, dev->zone_size_sects);
+ nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);
blk_queue_max_zone_append_sectors(q, dev->zone_size_sects);
disk_set_max_open_zones(nullb->disk, dev->zone_max_open);
disk_set_max_active_zones(nullb->disk, dev->zone_max_active);
+ if (queue_is_mq(q))
+ return blk_revalidate_disk_zones(nullb->disk, NULL);
+
return 0;
}
@@ -751,7 +751,6 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev,
{
u32 v, wg;
u8 model;
- int ret;
virtio_cread(vdev, struct virtio_blk_config,
zoned.model, &model);
@@ -806,6 +805,7 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev,
vblk->zone_sectors);
return -ENODEV;
}
+ blk_queue_chunk_sectors(q, vblk->zone_sectors);
dev_dbg(&vdev->dev, "zone sectors = %u\n", vblk->zone_sectors);
if (virtio_has_feature(vdev, VIRTIO_BLK_F_DISCARD)) {
@@ -814,26 +814,22 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev,
blk_queue_max_discard_sectors(q, 0);
}
- ret = blk_revalidate_disk_zones(vblk->disk, NULL);
- if (!ret) {
- virtio_cread(vdev, struct virtio_blk_config,
- zoned.max_append_sectors, &v);
- if (!v) {
- dev_warn(&vdev->dev, "zero max_append_sectors reported\n");
- return -ENODEV;
- }
- if ((v << SECTOR_SHIFT) < wg) {
- dev_err(&vdev->dev,
- "write granularity %u exceeds max_append_sectors %u limit\n",
- wg, v);
- return -ENODEV;
- }
-
- blk_queue_max_zone_append_sectors(q, v);
- dev_dbg(&vdev->dev, "max append sectors = %u\n", v);
+ virtio_cread(vdev, struct virtio_blk_config,
+ zoned.max_append_sectors, &v);
+ if (!v) {
+ dev_warn(&vdev->dev, "zero max_append_sectors reported\n");
+ return -ENODEV;
+ }
+ if ((v << SECTOR_SHIFT) < wg) {
+ dev_err(&vdev->dev,
+ "write granularity %u exceeds max_append_sectors %u limit\n",
+ wg, v);
+ return -ENODEV;
}
+ blk_queue_max_zone_append_sectors(q, v);
+ dev_dbg(&vdev->dev, "max append sectors = %u\n", v);
- return ret;
+ return blk_revalidate_disk_zones(vblk->disk, NULL);
}
#else
@@ -10,12 +10,11 @@
int nvme_revalidate_zones(struct nvme_ns *ns)
{
struct request_queue *q = ns->queue;
- int ret;
- ret = blk_revalidate_disk_zones(ns->disk, NULL);
- if (!ret)
- blk_queue_max_zone_append_sectors(q, ns->ctrl->max_zone_append);
- return ret;
+ blk_queue_chunk_sectors(q, ns->zsze);
+ blk_queue_max_zone_append_sectors(q, ns->ctrl->max_zone_append);
+
+ return blk_revalidate_disk_zones(ns->disk, NULL);
}
static int nvme_set_max_append(struct nvme_ctrl *ctrl)
@@ -2618,7 +2618,7 @@ struct aac_hba_info {
struct aac_aifcmd {
__le32 command; /* Tell host what type of notify this is */
__le32 seqnum; /* To allow ordering of reports (if necessary) */
- u8 data[1]; /* Undefined length (from kernel viewpoint) */
+ u8 data[]; /* Undefined length (from kernel viewpoint) */
};
/**
@@ -465,7 +465,7 @@ int fnic_trace_buf_init(void)
fnic_max_trace_entries = (trace_max_pages * PAGE_SIZE)/
FNIC_ENTRY_SIZE_BYTES;
- fnic_trace_buf_p = (unsigned long)vzalloc(trace_max_pages * PAGE_SIZE);
+ fnic_trace_buf_p = (unsigned long)vcalloc(trace_max_pages, PAGE_SIZE);
if (!fnic_trace_buf_p) {
printk(KERN_ERR PFX "Failed to allocate memory "
"for fnic_trace_buf_p\n");
@@ -6944,7 +6944,9 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
if (rc)
return;
/* Reset HBA FCF states after successful unregister FCF */
+ spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag = 0;
+ spin_unlock_irq(&phba->hbalock);
phba->fcf.current_rec.flag = 0;
/*
@@ -4462,7 +4462,6 @@ struct qla_hw_data {
/* n2n */
struct fc_els_flogi plogi_els_payld;
-#define LOGIN_TEMPLATE_SIZE (sizeof(struct fc_els_flogi) - 4)
void *swl;
@@ -8434,7 +8434,7 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
ql_dbg(ql_dbg_init, vha, 0x0163,
"-> fwdt%u template allocate template %#x words...\n",
j, risc_size);
- fwdt->template = vmalloc(risc_size * sizeof(*dcode));
+ fwdt->template = vmalloc_array(risc_size, sizeof(*dcode));
if (!fwdt->template) {
ql_log(ql_log_warn, vha, 0x0164,
"-> fwdt%u failed allocate template.\n", j);
@@ -8689,7 +8689,7 @@ qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
ql_dbg(ql_dbg_init, vha, 0x0173,
"-> fwdt%u template allocate template %#x words...\n",
j, risc_size);
- fwdt->template = vmalloc(risc_size * sizeof(*dcode));
+ fwdt->template = vmalloc_array(risc_size, sizeof(*dcode));
if (!fwdt->template) {
ql_log(ql_log_warn, vha, 0x0174,
"-> fwdt%u failed allocate template.\n", j);
@@ -3073,7 +3073,8 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
memset(ptr, 0, sizeof(struct els_plogi_payload));
memset(resp_ptr, 0, sizeof(struct els_plogi_payload));
memcpy(elsio->u.els_plogi.els_plogi_pyld->data,
- &ha->plogi_els_payld.fl_csp, LOGIN_TEMPLATE_SIZE);
+ (void *)&ha->plogi_els_payld + offsetof(struct fc_els_flogi, fl_csp),
+ sizeof(ha->plogi_els_payld) - offsetof(struct fc_els_flogi, fl_csp));
elsio->u.els_plogi.els_cmd = els_opcode;
elsio->u.els_plogi.els_plogi_pyld->opcode = els_opcode;
@@ -3911,7 +3912,7 @@ qla2x00_start_sp(srb_t *sp)
pkt = __qla2x00_alloc_iocbs(sp->qpair, sp);
if (!pkt) {
- rval = EAGAIN;
+ rval = -EAGAIN;
ql_log(ql_log_warn, vha, 0x700c,
"qla2x00_alloc_iocbs failed.\n");
goto done;
@@ -841,11 +841,6 @@ static int sdeb_zbc_nr_conv = DEF_ZBC_NR_CONV_ZONES;
static int submit_queues = DEF_SUBMIT_QUEUES; /* > 1 for multi-queue (mq) */
static int poll_queues; /* iouring iopoll interface.*/
-static DEFINE_RWLOCK(atomic_rw);
-static DEFINE_RWLOCK(atomic_rw2);
-
-static rwlock_t *ramdisk_lck_a[2];
-
static char sdebug_proc_name[] = MY_NAME;
static const char *my_name = MY_NAME;
@@ -6818,9 +6813,6 @@ static int __init scsi_debug_init(void)
int k, ret, hosts_to_add;
int idx = -1;
- ramdisk_lck_a[0] = &atomic_rw;
- ramdisk_lck_a[1] = &atomic_rw2;
-
if (sdebug_ndelay >= 1000 * 1000 * 1000) {
pr_warn("ndelay must be less than 1 second, ignored\n");
sdebug_ndelay = 0;
@@ -831,7 +831,6 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
struct request_queue *q = disk->queue;
u32 zone_blocks = sdkp->early_zone_info.zone_blocks;
unsigned int nr_zones = sdkp->early_zone_info.nr_zones;
- u32 max_append;
int ret = 0;
unsigned int flags;
@@ -876,6 +875,11 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
goto unlock;
}
+ blk_queue_chunk_sectors(q,
+ logical_to_sectors(sdkp->device, zone_blocks));
+ blk_queue_max_zone_append_sectors(q,
+ q->limits.max_segments << PAGE_SECTORS_SHIFT);
+
ret = blk_revalidate_disk_zones(disk, sd_zbc_revalidate_zones_cb);
memalloc_noio_restore(flags);
@@ -888,12 +892,6 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
goto unlock;
}
- max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
- q->limits.max_segments << PAGE_SECTORS_SHIFT);
- max_append = min_t(u32, max_append, queue_max_hw_sectors(q));
-
- blk_queue_max_zone_append_sectors(q, max_append);
-
sd_zbc_print_zones(sdkp);
unlock:
@@ -318,6 +318,7 @@ enum storvsc_request_type {
#define SRB_STATUS_INVALID_REQUEST 0x06
#define SRB_STATUS_DATA_OVERRUN 0x12
#define SRB_STATUS_INVALID_LUN 0x20
+#define SRB_STATUS_INTERNAL_ERROR 0x30
#define SRB_STATUS(status) \
(status & ~(SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_QUEUE_FROZEN))
@@ -978,6 +979,7 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
case SRB_STATUS_ERROR:
case SRB_STATUS_ABORTED:
case SRB_STATUS_INVALID_REQUEST:
+ case SRB_STATUS_INTERNAL_ERROR:
if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID) {
/* Check for capacity change */
if ((asc == 0x2a) && (ascq == 0x9)) {
@@ -8520,6 +8520,41 @@ static int ufshcd_device_params_init(struct ufs_hba *hba)
return ret;
}
+static void ufshcd_set_timestamp_attr(struct ufs_hba *hba)
+{
+ int err;
+ struct ufs_query_req *request = NULL;
+ struct ufs_query_res *response = NULL;
+ struct ufs_dev_info *dev_info = &hba->dev_info;
+ struct utp_upiu_query_v4_0 *upiu_data;
+
+ if (dev_info->wspecversion < 0x400)
+ return;
+
+ ufshcd_hold(hba);
+
+ mutex_lock(&hba->dev_cmd.lock);
+
+ ufshcd_init_query(hba, &request, &response,
+ UPIU_QUERY_OPCODE_WRITE_ATTR,
+ QUERY_ATTR_IDN_TIMESTAMP, 0, 0);
+
+ request->query_func = UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST;
+
+ upiu_data = (struct utp_upiu_query_v4_0 *)&request->upiu_req;
+
+ put_unaligned_be64(ktime_get_real_ns(), &upiu_data->osf3);
+
+ err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_QUERY, QUERY_REQ_TIMEOUT);
+
+ if (err)
+ dev_err(hba->dev, "%s: failed to set timestamp %d\n",
+ __func__, err);
+
+ mutex_unlock(&hba->dev_cmd.lock);
+ ufshcd_release(hba);
+}
+
/**
* ufshcd_add_lus - probe and add UFS logical units
* @hba: per-adapter instance
@@ -8708,6 +8743,8 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params)
ufshcd_set_ufs_dev_active(hba);
ufshcd_force_reset_auto_bkops(hba);
+ ufshcd_set_timestamp_attr(hba);
+
/* Gear up to HS gear if supported */
if (hba->max_pwr_info.is_valid) {
/*
@@ -9749,6 +9786,7 @@ static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ret = ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE);
if (ret)
goto set_old_link_state;
+ ufshcd_set_timestamp_attr(hba);
}
if (ufshcd_keep_autobkops_enabled_except_suspend(hba))
@@ -72,6 +72,7 @@ config SCSI_UFS_QCOM
config SCSI_UFS_MEDIATEK
tristate "Mediatek specific hooks to UFS controller platform driver"
depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK
+ depends on RESET_CONTROLLER
select PHY_MTK_UFS
select RESET_TI_SYSCON
help
@@ -70,6 +70,31 @@ struct utp_upiu_query {
__be32 reserved[2];
};
+/**
+ * struct utp_upiu_query_v4_0 - upiu request buffer structure for
+ * query request >= UFS 4.0 spec.
+ * @opcode: command to perform B-0
+ * @idn: a value that indicates the particular type of data B-1
+ * @index: Index to further identify data B-2
+ * @selector: Index to further identify data B-3
+ * @osf4: spec field B-5
+ * @osf5: spec field B 6,7
+ * @osf6: spec field DW 8,9
+ * @osf7: spec field DW 10,11
+ */
+struct utp_upiu_query_v4_0 {
+ __u8 opcode;
+ __u8 idn;
+ __u8 index;
+ __u8 selector;
+ __u8 osf3;
+ __u8 osf4;
+ __be16 osf5;
+ __be32 osf6;
+ __be32 osf7;
+ __be32 reserved;
+};
+
/**
* struct utp_upiu_cmd - Command UPIU structure
* @data_transfer_len: Data Transfer Length DW-3
@@ -170,6 +170,7 @@ enum attr_idn {
QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E,
QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F,
QUERY_ATTR_IDN_EXT_IID_EN = 0x2A,
+ QUERY_ATTR_IDN_TIMESTAMP = 0x30
};
/* Descriptor idn for Query requests */
This is a bunch of small driver fixes and a larger rework of zone disk handling (which reaches into blk and nvme). The aacraid array-bounds fix is now critical since the security people turned on -Werror for some build tests, which now fail without it. The patch is available here: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes The short changelog is: Arnd Bergmann (1): scsi: aacraid: Avoid -Warray-bounds warning Arthur Simchaev (1): scsi: ufs: core: Add support for qTimestamp attribute Can Guo (1): scsi: ufs: core: Update contact email for monitor sysfs nodes Damien Le Moal (5): scsi: block: Improve checks in blk_revalidate_disk_zones() scsi: block: virtio_blk: Set zone limits before revalidating zones scsi: block: nullblk: Set zone limits before revalidating zones scsi: nvme: zns: Set zone limits before revalidating zones scsi: sd_zbc: Set zone limits before revalidating zones Dan Carpenter (2): scsi: qla2xxx: Fix error code in qla2x00_start_sp() scsi: qla2xxx: Silence a static checker warning Julia Lawall (2): scsi: qla2xxx: Use vmalloc_array() and vcalloc() scsi: fnic: Use vmalloc_array() and vcalloc() Maurizio Lombardi (1): scsi: scsi_debug: Remove dead code Michael Kelley (1): scsi: storvsc: Handle SRB status value 0x30 Randy Dunlap (1): scsi: ufs: ufs-mediatek: Add dependency for RESET_CONTROLLER Tuo Li (1): scsi: lpfc: Fix a possible data race in lpfc_unregister_fcf_rescan() And the diffstat: Documentation/ABI/testing/sysfs-driver-ufs | 76 +++++++++++++------------- block/blk-zoned.c | 86 +++++++++++++++++------------- drivers/block/null_blk/zoned.c | 16 ++---- drivers/block/virtio_blk.c | 34 ++++++------ drivers/nvme/host/zns.c | 9 ++-- drivers/scsi/aacraid/aacraid.h | 2 +- drivers/scsi/fnic/fnic_trace.c | 2 +- drivers/scsi/lpfc/lpfc_hbadisc.c | 2 + drivers/scsi/qla2xxx/qla_def.h | 1 - drivers/scsi/qla2xxx/qla_init.c | 4 +- drivers/scsi/qla2xxx/qla_iocb.c | 5 +- drivers/scsi/scsi_debug.c | 8 --- drivers/scsi/sd_zbc.c | 12 ++--- drivers/scsi/storvsc_drv.c | 2 + drivers/ufs/core/ufshcd.c | 38 +++++++++++++ drivers/ufs/host/Kconfig | 1 + include/uapi/scsi/scsi_bsg_ufs.h | 25 +++++++++ include/ufs/ufs.h | 1 + 18 files changed, 193 insertions(+), 131 deletions(-) With full diff below. James ---