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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/nvme
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/common/auth.c1
-rw-r--r--drivers/nvme/common/keyring.c3
-rw-r--r--drivers/nvme/host/apple.c13
-rw-r--r--drivers/nvme/host/auth.c19
-rw-r--r--drivers/nvme/host/constants.c10
-rw-r--r--drivers/nvme/host/core.c347
-rw-r--r--drivers/nvme/host/fabrics.c24
-rw-r--r--drivers/nvme/host/fabrics.h8
-rw-r--r--drivers/nvme/host/fc.c27
-rw-r--r--drivers/nvme/host/ioctl.c207
-rw-r--r--drivers/nvme/host/multipath.c17
-rw-r--r--drivers/nvme/host/nvme.h122
-rw-r--r--drivers/nvme/host/pci.c31
-rw-r--r--drivers/nvme/host/pr.c2
-rw-r--r--drivers/nvme/host/rdma.c26
-rw-r--r--drivers/nvme/host/sysfs.c168
-rw-r--r--drivers/nvme/host/tcp.c18
-rw-r--r--drivers/nvme/host/zns.c37
-rw-r--r--drivers/nvme/target/configfs.c4
-rw-r--r--drivers/nvme/target/core.c8
-rw-r--r--drivers/nvme/target/discovery.c2
-rw-r--r--drivers/nvme/target/fabrics-cmd.c4
-rw-r--r--drivers/nvme/target/fc.c51
-rw-r--r--drivers/nvme/target/fcloop.c8
-rw-r--r--drivers/nvme/target/loop.c9
-rw-r--r--drivers/nvme/target/passthru.c4
-rw-r--r--drivers/nvme/target/rdma.c20
-rw-r--r--drivers/nvme/target/tcp.c35
-rw-r--r--drivers/nvme/target/trace.c6
-rw-r--r--drivers/nvme/target/trace.h28
30 files changed, 729 insertions, 530 deletions
diff --git a/drivers/nvme/common/auth.c b/drivers/nvme/common/auth.c
index a23ab5c968..a3455f1d67 100644
--- a/drivers/nvme/common/auth.c
+++ b/drivers/nvme/common/auth.c
@@ -471,4 +471,5 @@ int nvme_auth_generate_key(u8 *secret, struct nvme_dhchap_key **ret_key)
}
EXPORT_SYMBOL_GPL(nvme_auth_generate_key);
+MODULE_DESCRIPTION("NVMe Authentication framework");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/common/keyring.c b/drivers/nvme/common/keyring.c
index ee341b83ee..6f7e7a8fa5 100644
--- a/drivers/nvme/common/keyring.c
+++ b/drivers/nvme/common/keyring.c
@@ -111,7 +111,7 @@ static struct key *nvme_tls_psk_lookup(struct key *keyring,
* should be preferred to 'generated' PSKs,
* and SHA-384 should be preferred to SHA-256.
*/
-struct nvme_tls_psk_priority_list {
+static struct nvme_tls_psk_priority_list {
bool generated;
enum nvme_tcp_tls_cipher cipher;
} nvme_tls_psk_prio[] = {
@@ -181,5 +181,6 @@ static void __exit nvme_keyring_exit(void)
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Hannes Reinecke <hare@suse.de>");
+MODULE_DESCRIPTION("NVMe Keyring implementation");
module_init(nvme_keyring_init);
module_exit(nvme_keyring_exit);
diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c
index 596bb11eeb..c727cd1f26 100644
--- a/drivers/nvme/host/apple.c
+++ b/drivers/nvme/host/apple.c
@@ -797,6 +797,7 @@ static int apple_nvme_init_request(struct blk_mq_tag_set *set,
static void apple_nvme_disable(struct apple_nvme *anv, bool shutdown)
{
+ enum nvme_ctrl_state state = nvme_ctrl_state(&anv->ctrl);
u32 csts = readl(anv->mmio_nvme + NVME_REG_CSTS);
bool dead = false, freeze = false;
unsigned long flags;
@@ -808,8 +809,8 @@ static void apple_nvme_disable(struct apple_nvme *anv, bool shutdown)
if (csts & NVME_CSTS_CFS)
dead = true;
- if (anv->ctrl.state == NVME_CTRL_LIVE ||
- anv->ctrl.state == NVME_CTRL_RESETTING) {
+ if (state == NVME_CTRL_LIVE ||
+ state == NVME_CTRL_RESETTING) {
freeze = true;
nvme_start_freeze(&anv->ctrl);
}
@@ -881,7 +882,7 @@ static enum blk_eh_timer_return apple_nvme_timeout(struct request *req)
unsigned long flags;
u32 csts = readl(anv->mmio_nvme + NVME_REG_CSTS);
- if (anv->ctrl.state != NVME_CTRL_LIVE) {
+ if (nvme_ctrl_state(&anv->ctrl) != NVME_CTRL_LIVE) {
/*
* From rdma.c:
* If we are resetting, connecting or deleting we should
@@ -985,10 +986,10 @@ static void apple_nvme_reset_work(struct work_struct *work)
u32 boot_status, aqa;
struct apple_nvme *anv =
container_of(work, struct apple_nvme, ctrl.reset_work);
+ enum nvme_ctrl_state state = nvme_ctrl_state(&anv->ctrl);
- if (anv->ctrl.state != NVME_CTRL_RESETTING) {
- dev_warn(anv->dev, "ctrl state %d is not RESETTING\n",
- anv->ctrl.state);
+ if (state != NVME_CTRL_RESETTING) {
+ dev_warn(anv->dev, "ctrl state %d is not RESETTING\n", state);
ret = -ENODEV;
goto out;
}
diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index 72c0525c75..a264b3ae07 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -48,11 +48,6 @@ struct nvme_dhchap_queue_context {
static struct workqueue_struct *nvme_auth_wq;
-#define nvme_auth_flags_from_qid(qid) \
- (qid == 0) ? 0 : BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_RESERVED
-#define nvme_auth_queue_from_qid(ctrl, qid) \
- (qid == 0) ? (ctrl)->fabrics_q : (ctrl)->connect_q
-
static inline int ctrl_max_dhchaps(struct nvme_ctrl *ctrl)
{
return ctrl->opts->nr_io_queues + ctrl->opts->nr_write_queues +
@@ -63,10 +58,15 @@ static int nvme_auth_submit(struct nvme_ctrl *ctrl, int qid,
void *data, size_t data_len, bool auth_send)
{
struct nvme_command cmd = {};
- blk_mq_req_flags_t flags = nvme_auth_flags_from_qid(qid);
- struct request_queue *q = nvme_auth_queue_from_qid(ctrl, qid);
+ nvme_submit_flags_t flags = NVME_SUBMIT_RETRY;
+ struct request_queue *q = ctrl->fabrics_q;
int ret;
+ if (qid != 0) {
+ flags |= NVME_SUBMIT_NOWAIT | NVME_SUBMIT_RESERVED;
+ q = ctrl->connect_q;
+ }
+
cmd.auth_common.opcode = nvme_fabrics_command;
cmd.auth_common.secp = NVME_AUTH_DHCHAP_PROTOCOL_IDENTIFIER;
cmd.auth_common.spsp0 = 0x01;
@@ -80,8 +80,7 @@ static int nvme_auth_submit(struct nvme_ctrl *ctrl, int qid,
}
ret = __nvme_submit_sync_cmd(q, &cmd, NULL, data, data_len,
- qid == 0 ? NVME_QID_ANY : qid,
- 0, flags);
+ qid == 0 ? NVME_QID_ANY : qid, flags);
if (ret > 0)
dev_warn(ctrl->device,
"qid %d auth_send failed with status %d\n", qid, ret);
@@ -897,7 +896,7 @@ static void nvme_ctrl_auth_work(struct work_struct *work)
* If the ctrl is no connected, bail as reconnect will handle
* authentication.
*/
- if (ctrl->state != NVME_CTRL_LIVE)
+ if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE)
return;
/* Authenticate admin queue first */
diff --git a/drivers/nvme/host/constants.c b/drivers/nvme/host/constants.c
index 20f46c2308..6f2ebb5fcd 100644
--- a/drivers/nvme/host/constants.c
+++ b/drivers/nvme/host/constants.c
@@ -171,15 +171,15 @@ static const char * const nvme_statuses[] = {
[NVME_SC_HOST_ABORTED_CMD] = "Host Aborted Command",
};
-const unsigned char *nvme_get_error_status_str(u16 status)
+const char *nvme_get_error_status_str(u16 status)
{
status &= 0x7ff;
if (status < ARRAY_SIZE(nvme_statuses) && nvme_statuses[status])
- return nvme_statuses[status & 0x7ff];
+ return nvme_statuses[status];
return "Unknown";
}
-const unsigned char *nvme_get_opcode_str(u8 opcode)
+const char *nvme_get_opcode_str(u8 opcode)
{
if (opcode < ARRAY_SIZE(nvme_ops) && nvme_ops[opcode])
return nvme_ops[opcode];
@@ -187,7 +187,7 @@ const unsigned char *nvme_get_opcode_str(u8 opcode)
}
EXPORT_SYMBOL_GPL(nvme_get_opcode_str);
-const unsigned char *nvme_get_admin_opcode_str(u8 opcode)
+const char *nvme_get_admin_opcode_str(u8 opcode)
{
if (opcode < ARRAY_SIZE(nvme_admin_ops) && nvme_admin_ops[opcode])
return nvme_admin_ops[opcode];
@@ -195,7 +195,7 @@ const unsigned char *nvme_get_admin_opcode_str(u8 opcode)
}
EXPORT_SYMBOL_GPL(nvme_get_admin_opcode_str);
-const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode) {
+const char *nvme_get_fabrics_opcode_str(u8 opcode) {
if (opcode < ARRAY_SIZE(nvme_fabrics_ops) && nvme_fabrics_ops[opcode])
return nvme_fabrics_ops[opcode];
return "Unknown";
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 771eac1412..fe3627c5bd 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -20,6 +20,7 @@
#include <linux/ptrace.h>
#include <linux/nvme_ioctl.h>
#include <linux/pm_qos.h>
+#include <linux/ratelimit.h>
#include <asm/unaligned.h>
#include "nvme.h"
@@ -312,12 +313,12 @@ static void nvme_log_error(struct request *req)
struct nvme_request *nr = nvme_req(req);
if (ns) {
- pr_err_ratelimited("%s: %s(0x%x) @ LBA %llu, %llu blocks, %s (sct 0x%x / sc 0x%x) %s%s\n",
+ pr_err_ratelimited("%s: %s(0x%x) @ LBA %llu, %u blocks, %s (sct 0x%x / sc 0x%x) %s%s\n",
ns->disk ? ns->disk->disk_name : "?",
nvme_get_opcode_str(nr->cmd->common.opcode),
nr->cmd->common.opcode,
- (unsigned long long)nvme_sect_to_lba(ns, blk_rq_pos(req)),
- (unsigned long long)blk_rq_bytes(req) >> ns->lba_shift,
+ nvme_sect_to_lba(ns->head, blk_rq_pos(req)),
+ blk_rq_bytes(req) >> ns->head->lba_shift,
nvme_get_error_status_str(nr->status),
nr->status >> 8 & 7, /* Status Code Type */
nr->status & 0xff, /* Status Code */
@@ -337,6 +338,30 @@ static void nvme_log_error(struct request *req)
nr->status & NVME_SC_DNR ? "DNR " : "");
}
+static void nvme_log_err_passthru(struct request *req)
+{
+ struct nvme_ns *ns = req->q->queuedata;
+ struct nvme_request *nr = nvme_req(req);
+
+ pr_err_ratelimited("%s: %s(0x%x), %s (sct 0x%x / sc 0x%x) %s%s"
+ "cdw10=0x%x cdw11=0x%x cdw12=0x%x cdw13=0x%x cdw14=0x%x cdw15=0x%x\n",
+ ns ? ns->disk->disk_name : dev_name(nr->ctrl->device),
+ ns ? nvme_get_opcode_str(nr->cmd->common.opcode) :
+ nvme_get_admin_opcode_str(nr->cmd->common.opcode),
+ nr->cmd->common.opcode,
+ nvme_get_error_status_str(nr->status),
+ nr->status >> 8 & 7, /* Status Code Type */
+ nr->status & 0xff, /* Status Code */
+ nr->status & NVME_SC_MORE ? "MORE " : "",
+ nr->status & NVME_SC_DNR ? "DNR " : "",
+ nr->cmd->common.cdw10,
+ nr->cmd->common.cdw11,
+ nr->cmd->common.cdw12,
+ nr->cmd->common.cdw13,
+ nr->cmd->common.cdw14,
+ nr->cmd->common.cdw14);
+}
+
enum nvme_disposition {
COMPLETE,
RETRY,
@@ -372,17 +397,24 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
static inline void nvme_end_req_zoned(struct request *req)
{
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
- req_op(req) == REQ_OP_ZONE_APPEND)
- req->__sector = nvme_lba_to_sect(req->q->queuedata,
+ req_op(req) == REQ_OP_ZONE_APPEND) {
+ struct nvme_ns *ns = req->q->queuedata;
+
+ req->__sector = nvme_lba_to_sect(ns->head,
le64_to_cpu(nvme_req(req)->result.u64));
+ }
}
static inline void nvme_end_req(struct request *req)
{
blk_status_t status = nvme_error_status(nvme_req(req)->status);
- if (unlikely(nvme_req(req)->status && !(req->rq_flags & RQF_QUIET)))
- nvme_log_error(req);
+ if (unlikely(nvme_req(req)->status && !(req->rq_flags & RQF_QUIET))) {
+ if (blk_rq_is_passthrough(req))
+ nvme_log_err_passthru(req);
+ else
+ nvme_log_error(req);
+ }
nvme_end_req_zoned(req);
nvme_trace_bio_complete(req);
if (req->cmd_flags & REQ_NVME_MPATH)
@@ -675,10 +707,21 @@ static inline void nvme_clear_nvme_request(struct request *req)
/* initialize a passthrough request */
void nvme_init_request(struct request *req, struct nvme_command *cmd)
{
- if (req->q->queuedata)
+ struct nvme_request *nr = nvme_req(req);
+ bool logging_enabled;
+
+ if (req->q->queuedata) {
+ struct nvme_ns *ns = req->q->disk->private_data;
+
+ logging_enabled = ns->head->passthru_err_log_enabled;
req->timeout = NVME_IO_TIMEOUT;
- else /* no queuedata implies admin queue */
+ } else { /* no queuedata implies admin queue */
+ logging_enabled = nr->ctrl->passthru_err_log_enabled;
req->timeout = NVME_ADMIN_TIMEOUT;
+ }
+
+ if (!logging_enabled)
+ req->rq_flags |= RQF_QUIET;
/* passthru commands should let the driver set the SGL flags */
cmd->common.flags &= ~NVME_CMD_SGL_ALL;
@@ -687,8 +730,7 @@ void nvme_init_request(struct request *req, struct nvme_command *cmd)
if (req->mq_hctx->type == HCTX_TYPE_POLL)
req->cmd_flags |= REQ_POLLED;
nvme_clear_nvme_request(req);
- req->rq_flags |= RQF_QUIET;
- memcpy(nvme_req(req)->cmd, cmd, sizeof(*cmd));
+ memcpy(nr->cmd, cmd, sizeof(*cmd));
}
EXPORT_SYMBOL_GPL(nvme_init_request);
@@ -717,7 +759,7 @@ blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl,
EXPORT_SYMBOL_GPL(nvme_fail_nonready_command);
bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
- bool queue_live)
+ bool queue_live, enum nvme_ctrl_state state)
{
struct nvme_request *req = nvme_req(rq);
@@ -738,7 +780,7 @@ bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
* command, which is require to set the queue live in the
* appropinquate states.
*/
- switch (nvme_ctrl_state(ctrl)) {
+ switch (state) {
case NVME_CTRL_CONNECTING:
if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) &&
(req->cmd->fabrics.fctype == nvme_fabrics_type_connect ||
@@ -793,8 +835,8 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req,
}
if (queue_max_discard_segments(req->q) == 1) {
- u64 slba = nvme_sect_to_lba(ns, blk_rq_pos(req));
- u32 nlb = blk_rq_sectors(req) >> (ns->lba_shift - 9);
+ u64 slba = nvme_sect_to_lba(ns->head, blk_rq_pos(req));
+ u32 nlb = blk_rq_sectors(req) >> (ns->head->lba_shift - 9);
range[0].cattr = cpu_to_le32(0);
range[0].nlb = cpu_to_le32(nlb);
@@ -802,8 +844,9 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req,
n = 1;
} else {
__rq_for_each_bio(bio, req) {
- u64 slba = nvme_sect_to_lba(ns, bio->bi_iter.bi_sector);
- u32 nlb = bio->bi_iter.bi_size >> ns->lba_shift;
+ u64 slba = nvme_sect_to_lba(ns->head,
+ bio->bi_iter.bi_sector);
+ u32 nlb = bio->bi_iter.bi_size >> ns->head->lba_shift;
if (n < segments) {
range[n].cattr = cpu_to_le32(0);
@@ -841,7 +884,7 @@ static void nvme_set_ref_tag(struct nvme_ns *ns, struct nvme_command *cmnd,
u64 ref48;
/* both rw and write zeroes share the same reftag format */
- switch (ns->guard_type) {
+ switch (ns->head->guard_type) {
case NVME_NVM_NS_16B_GUARD:
cmnd->rw.reftag = cpu_to_le32(t10_pi_ref_tag(req));
break;
@@ -869,17 +912,18 @@ static inline blk_status_t nvme_setup_write_zeroes(struct nvme_ns *ns,
cmnd->write_zeroes.opcode = nvme_cmd_write_zeroes;
cmnd->write_zeroes.nsid = cpu_to_le32(ns->head->ns_id);
cmnd->write_zeroes.slba =
- cpu_to_le64(nvme_sect_to_lba(ns, blk_rq_pos(req)));
+ cpu_to_le64(nvme_sect_to_lba(ns->head, blk_rq_pos(req)));
cmnd->write_zeroes.length =
- cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1);
+ cpu_to_le16((blk_rq_bytes(req) >> ns->head->lba_shift) - 1);
- if (!(req->cmd_flags & REQ_NOUNMAP) && (ns->features & NVME_NS_DEAC))
+ if (!(req->cmd_flags & REQ_NOUNMAP) &&
+ (ns->head->features & NVME_NS_DEAC))
cmnd->write_zeroes.control |= cpu_to_le16(NVME_WZ_DEAC);
- if (nvme_ns_has_pi(ns)) {
+ if (nvme_ns_has_pi(ns->head)) {
cmnd->write_zeroes.control |= cpu_to_le16(NVME_RW_PRINFO_PRACT);
- switch (ns->pi_type) {
+ switch (ns->head->pi_type) {
case NVME_NS_DPS_PI_TYPE1:
case NVME_NS_DPS_PI_TYPE2:
nvme_set_ref_tag(ns, cmnd, req);
@@ -911,13 +955,15 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
cmnd->rw.cdw2 = 0;
cmnd->rw.cdw3 = 0;
cmnd->rw.metadata = 0;
- cmnd->rw.slba = cpu_to_le64(nvme_sect_to_lba(ns, blk_rq_pos(req)));
- cmnd->rw.length = cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1);
+ cmnd->rw.slba =
+ cpu_to_le64(nvme_sect_to_lba(ns->head, blk_rq_pos(req)));
+ cmnd->rw.length =
+ cpu_to_le16((blk_rq_bytes(req) >> ns->head->lba_shift) - 1);
cmnd->rw.reftag = 0;
cmnd->rw.apptag = 0;
cmnd->rw.appmask = 0;
- if (ns->ms) {
+ if (ns->head->ms) {
/*
* If formated with metadata, the block layer always provides a
* metadata buffer if CONFIG_BLK_DEV_INTEGRITY is enabled. Else
@@ -925,12 +971,12 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
* namespace capacity to zero to prevent any I/O.
*/
if (!blk_integrity_rq(req)) {
- if (WARN_ON_ONCE(!nvme_ns_has_pi(ns)))
+ if (WARN_ON_ONCE(!nvme_ns_has_pi(ns->head)))
return BLK_STS_NOTSUPP;
control |= NVME_RW_PRINFO_PRACT;
}
- switch (ns->pi_type) {
+ switch (ns->head->pi_type) {
case NVME_NS_DPS_PI_TYPE3:
control |= NVME_RW_PRINFO_PRCHK_GUARD;
break;
@@ -1043,20 +1089,27 @@ EXPORT_SYMBOL_NS_GPL(nvme_execute_rq, NVME_TARGET_PASSTHRU);
*/
int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
union nvme_result *result, void *buffer, unsigned bufflen,
- int qid, int at_head, blk_mq_req_flags_t flags)
+ int qid, nvme_submit_flags_t flags)
{
struct request *req;
int ret;
+ blk_mq_req_flags_t blk_flags = 0;
+ if (flags & NVME_SUBMIT_NOWAIT)
+ blk_flags |= BLK_MQ_REQ_NOWAIT;
+ if (flags & NVME_SUBMIT_RESERVED)
+ blk_flags |= BLK_MQ_REQ_RESERVED;
if (qid == NVME_QID_ANY)
- req = blk_mq_alloc_request(q, nvme_req_op(cmd), flags);
+ req = blk_mq_alloc_request(q, nvme_req_op(cmd), blk_flags);
else
- req = blk_mq_alloc_request_hctx(q, nvme_req_op(cmd), flags,
+ req = blk_mq_alloc_request_hctx(q, nvme_req_op(cmd), blk_flags,
qid - 1);
if (IS_ERR(req))
return PTR_ERR(req);
nvme_init_request(req, cmd);
+ if (flags & NVME_SUBMIT_RETRY)
+ req->cmd_flags &= ~REQ_FAILFAST_DRIVER;
if (buffer && bufflen) {
ret = blk_rq_map_kern(q, req, buffer, bufflen, GFP_KERNEL);
@@ -1064,7 +1117,7 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
goto out;
}
- ret = nvme_execute_rq(req, at_head);
+ ret = nvme_execute_rq(req, flags & NVME_SUBMIT_AT_HEAD);
if (result && ret >= 0)
*result = nvme_req(req)->result;
out:
@@ -1077,7 +1130,7 @@ int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
void *buffer, unsigned bufflen)
{
return __nvme_submit_sync_cmd(q, cmd, NULL, buffer, bufflen,
- NVME_QID_ANY, 0, 0);
+ NVME_QID_ANY, 0);
}
EXPORT_SYMBOL_GPL(nvme_submit_sync_cmd);
@@ -1100,6 +1153,10 @@ u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 opcode)
effects &= ~NVME_CMD_EFFECTS_CSE_MASK;
} else {
effects = le32_to_cpu(ctrl->effects->acs[opcode]);
+
+ /* Ignore execution restrictions if any relaxation bits are set */
+ if (effects & NVME_CMD_EFFECTS_CSER_MASK)
+ effects &= ~NVME_CMD_EFFECTS_CSE_MASK;
}
return effects;
@@ -1452,7 +1509,7 @@ free_data:
return status;
}
-static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
+int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
struct nvme_id_ns **id)
{
struct nvme_command c = { };
@@ -1552,7 +1609,7 @@ static int nvme_features(struct nvme_ctrl *dev, u8 op, unsigned int fid,
c.features.dword11 = cpu_to_le32(dword11);
ret = __nvme_submit_sync_cmd(dev->admin_q, &c, &res,
- buffer, buflen, NVME_QID_ANY, 0, 0);
+ buffer, buflen, NVME_QID_ANY, 0);
if (ret >= 0 && result)
*result = le32_to_cpu(res.u32);
return ret;
@@ -1671,14 +1728,14 @@ int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo)
}
#ifdef CONFIG_BLK_DEV_INTEGRITY
-static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns *ns,
- u32 max_integrity_segments)
+static void nvme_init_integrity(struct gendisk *disk,
+ struct nvme_ns_head *head, u32 max_integrity_segments)
{
struct blk_integrity integrity = { };
- switch (ns->pi_type) {
+ switch (head->pi_type) {
case NVME_NS_DPS_PI_TYPE3:
- switch (ns->guard_type) {
+ switch (head->guard_type) {
case NVME_NVM_NS_16B_GUARD:
integrity.profile = &t10_pi_type3_crc;
integrity.tag_size = sizeof(u16) + sizeof(u32);
@@ -1696,7 +1753,7 @@ static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns *ns,
break;
case NVME_NS_DPS_PI_TYPE1:
case NVME_NS_DPS_PI_TYPE2:
- switch (ns->guard_type) {
+ switch (head->guard_type) {
case NVME_NVM_NS_16B_GUARD:
integrity.profile = &t10_pi_type1_crc;
integrity.tag_size = sizeof(u16);
@@ -1717,27 +1774,28 @@ static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns *ns,
break;
}
- integrity.tuple_size = ns->ms;
+ integrity.tuple_size = head->ms;
blk_integrity_register(disk, &integrity);
blk_queue_max_integrity_segments(disk->queue, max_integrity_segments);
}
#else
-static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns *ns,
- u32 max_integrity_segments)
+static void nvme_init_integrity(struct gendisk *disk,
+ struct nvme_ns_head *head, u32 max_integrity_segments)
{
}
#endif /* CONFIG_BLK_DEV_INTEGRITY */
-static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns)
+static void nvme_config_discard(struct nvme_ctrl *ctrl, struct gendisk *disk,
+ struct nvme_ns_head *head)
{
- struct nvme_ctrl *ctrl = ns->ctrl;
struct request_queue *queue = disk->queue;
- u32 size = queue_logical_block_size(queue);
+ u32 max_discard_sectors;
- if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(ns, UINT_MAX))
- ctrl->max_discard_sectors = nvme_lba_to_sect(ns, ctrl->dmrsl);
-
- if (ctrl->max_discard_sectors == 0) {
+ if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(head, UINT_MAX)) {
+ max_discard_sectors = nvme_lba_to_sect(head, ctrl->dmrsl);
+ } else if (ctrl->oncs & NVME_CTRL_ONCS_DSM) {
+ max_discard_sectors = UINT_MAX;
+ } else {
blk_queue_max_discard_sectors(queue, 0);
return;
}
@@ -1745,14 +1803,22 @@ static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns)
BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <
NVME_DSM_MAX_RANGES);
- queue->limits.discard_granularity = size;
-
- /* If discard is already enabled, don't reset queue limits */
+ /*
+ * If discard is already enabled, don't reset queue limits.
+ *
+ * This works around the fact that the block layer can't cope well with
+ * updating the hardware limits when overridden through sysfs. This is
+ * harmless because discard limits in NVMe are purely advisory.
+ */
if (queue->limits.max_discard_sectors)
return;
- blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors);
- blk_queue_max_discard_segments(queue, ctrl->max_discard_segments);
+ blk_queue_max_discard_sectors(queue, max_discard_sectors);
+ if (ctrl->dmrl)
+ blk_queue_max_discard_segments(queue, ctrl->dmrl);
+ else
+ blk_queue_max_discard_segments(queue, NVME_DSM_MAX_RANGES);
+ queue->limits.discard_granularity = queue_logical_block_size(queue);
if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES)
blk_queue_max_write_zeroes_sectors(queue, UINT_MAX);
@@ -1766,21 +1832,21 @@ static bool nvme_ns_ids_equal(struct nvme_ns_ids *a, struct nvme_ns_ids *b)
a->csi == b->csi;
}
-static int nvme_init_ms(struct nvme_ns *ns, struct nvme_id_ns *id)
+static int nvme_init_ms(struct nvme_ctrl *ctrl, struct nvme_ns_head *head,
+ struct nvme_id_ns *id)
{
bool first = id->dps & NVME_NS_DPS_PI_FIRST;
unsigned lbaf = nvme_lbaf_index(id->flbas);
- struct nvme_ctrl *ctrl = ns->ctrl;
struct nvme_command c = { };
struct nvme_id_ns_nvm *nvm;
int ret = 0;
u32 elbaf;
- ns->pi_size = 0;
- ns->ms = le16_to_cpu(id->lbaf[lbaf].ms);
+ head->pi_size = 0;
+ head->ms = le16_to_cpu(id->lbaf[lbaf].ms);
if (!(ctrl->ctratt & NVME_CTRL_ATTR_ELBAS)) {
- ns->pi_size = sizeof(struct t10_pi_tuple);
- ns->guard_type = NVME_NVM_NS_16B_GUARD;
+ head->pi_size = sizeof(struct t10_pi_tuple);
+ head->guard_type = NVME_NVM_NS_16B_GUARD;
goto set_pi;
}
@@ -1789,11 +1855,11 @@ static int nvme_init_ms(struct nvme_ns *ns, struct nvme_id_ns *id)
return -ENOMEM;
c.identify.opcode = nvme_admin_identify;
- c.identify.nsid = cpu_to_le32(ns->head->ns_id);
+ c.identify.nsid = cpu_to_le32(head->ns_id);
c.identify.cns = NVME_ID_CNS_CS_NS;
c.identify.csi = NVME_CSI_NVM;
- ret = nvme_submit_sync_cmd(ns->ctrl->admin_q, &c, nvm, sizeof(*nvm));
+ ret = nvme_submit_sync_cmd(ctrl->admin_q, &c, nvm, sizeof(*nvm));
if (ret)
goto free_data;
@@ -1803,13 +1869,13 @@ static int nvme_init_ms(struct nvme_ns *ns, struct nvme_id_ns *id)
if (nvme_elbaf_sts(elbaf))
goto free_data;
- ns->guard_type = nvme_elbaf_guard_type(elbaf);
- switch (ns->guard_type) {
+ head->guard_type = nvme_elbaf_guard_type(elbaf);
+ switch (head->guard_type) {
case NVME_NVM_NS_64B_GUARD:
- ns->pi_size = sizeof(struct crc64_pi_tuple);
+ head->pi_size = sizeof(struct crc64_pi_tuple);
break;
case NVME_NVM_NS_16B_GUARD:
- ns->pi_size = sizeof(struct t10_pi_tuple);
+ head->pi_size = sizeof(struct t10_pi_tuple);
break;
default:
break;
@@ -1818,25 +1884,25 @@ static int nvme_init_ms(struct nvme_ns *ns, struct nvme_id_ns *id)
free_data:
kfree(nvm);
set_pi:
- if (ns->pi_size && (first || ns->ms == ns->pi_size))
- ns->pi_type = id->dps & NVME_NS_DPS_PI_MASK;
+ if (head->pi_size && (first || head->ms == head->pi_size))
+ head->pi_type = id->dps & NVME_NS_DPS_PI_MASK;
else
- ns->pi_type = 0;
+ head->pi_type = 0;
return ret;
}
-static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
+static int nvme_configure_metadata(struct nvme_ctrl *ctrl,
+ struct nvme_ns_head *head, struct nvme_id_ns *id)
{
- struct nvme_ctrl *ctrl = ns->ctrl;
int ret;
- ret = nvme_init_ms(ns, id);
+ ret = nvme_init_ms(ctrl, head, id);
if (ret)
return ret;
- ns->features &= ~(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS);
- if (!ns->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
+ head->features &= ~(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS);
+ if (!head->ms || !(ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
return 0;
if (ctrl->ops->flags & NVME_F_FABRICS) {
@@ -1848,7 +1914,7 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
if (WARN_ON_ONCE(!(id->flbas & NVME_NS_FLBAS_META_EXT)))
return 0;
- ns->features |= NVME_NS_EXT_LBAS;
+ head->features |= NVME_NS_EXT_LBAS;
/*
* The current fabrics transport drivers support namespace
@@ -1859,8 +1925,8 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
* Note, this check will need to be modified if any drivers
* gain the ability to use other metadata formats.
*/
- if (ctrl->max_integrity_segments && nvme_ns_has_pi(ns))
- ns->features |= NVME_NS_METADATA_SUPPORTED;
+ if (ctrl->max_integrity_segments && nvme_ns_has_pi(head))
+ head->features |= NVME_NS_METADATA_SUPPORTED;
} else {
/*
* For PCIe controllers, we can't easily remap the separate
@@ -1869,9 +1935,9 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
* We allow extended LBAs for the passthrough interface, though.
*/
if (id->flbas & NVME_NS_FLBAS_META_EXT)
- ns->features |= NVME_NS_EXT_LBAS;
+ head->features |= NVME_NS_EXT_LBAS;
else
- ns->features |= NVME_NS_METADATA_SUPPORTED;
+ head->features |= NVME_NS_METADATA_SUPPORTED;
}
return 0;
}
@@ -1894,11 +1960,11 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
blk_queue_write_cache(q, vwc, vwc);
}
-static void nvme_update_disk_info(struct gendisk *disk,
- struct nvme_ns *ns, struct nvme_id_ns *id)
+static void nvme_update_disk_info(struct nvme_ctrl *ctrl, struct gendisk *disk,
+ struct nvme_ns_head *head, struct nvme_id_ns *id)
{
- sector_t capacity = nvme_lba_to_sect(ns, le64_to_cpu(id->nsze));
- u32 bs = 1U << ns->lba_shift;
+ sector_t capacity = nvme_lba_to_sect(head, le64_to_cpu(id->nsze));
+ u32 bs = 1U << head->lba_shift;
u32 atomic_bs, phys_bs, io_opt = 0;
/*
@@ -1906,7 +1972,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
* or smaller than a sector size yet, so catch this early and don't
* allow block I/O.
*/
- if (ns->lba_shift > PAGE_SHIFT || ns->lba_shift < SECTOR_SHIFT) {
+ if (head->lba_shift > PAGE_SHIFT || head->lba_shift < SECTOR_SHIFT) {
capacity = 0;
bs = (1 << 9);
}
@@ -1923,7 +1989,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
if (id->nsfeat & NVME_NS_FEAT_ATOMICS && id->nawupf)
atomic_bs = (1 + le16_to_cpu(id->nawupf)) * bs;
else
- atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs;
+ atomic_bs = (1 + ctrl->subsys->awupf) * bs;
}
if (id->nsfeat & NVME_NS_FEAT_IO_OPT) {
@@ -1949,20 +2015,20 @@ static void nvme_update_disk_info(struct gendisk *disk,
* I/O to namespaces with metadata except when the namespace supports
* PI, as it can strip/insert in that case.
*/
- if (ns->ms) {
+ if (head->ms) {
if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) &&
- (ns->features & NVME_NS_METADATA_SUPPORTED))
- nvme_init_integrity(disk, ns,
- ns->ctrl->max_integrity_segments);
- else if (!nvme_ns_has_pi(ns))
+ (head->features & NVME_NS_METADATA_SUPPORTED))
+ nvme_init_integrity(disk, head,
+ ctrl->max_integrity_segments);
+ else if (!nvme_ns_has_pi(head))
capacity = 0;
}
set_capacity_and_notify(disk, capacity);
- nvme_config_discard(disk, ns);
+ nvme_config_discard(ctrl, disk, head);
blk_queue_max_write_zeroes_sectors(disk->queue,
- ns->ctrl->max_zeroes_sectors);
+ ctrl->max_zeroes_sectors);
}
static bool nvme_ns_is_readonly(struct nvme_ns *ns, struct nvme_ns_info *info)
@@ -1985,7 +2051,7 @@ static void nvme_set_chunk_sectors(struct nvme_ns *ns, struct nvme_id_ns *id)
is_power_of_2(ctrl->max_hw_sectors))
iob = ctrl->max_hw_sectors;
else
- iob = nvme_lba_to_sect(ns, le16_to_cpu(id->noiob));
+ iob = nvme_lba_to_sect(ns->head, le16_to_cpu(id->noiob));
if (!iob)
return;
@@ -2052,16 +2118,17 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
blk_mq_freeze_queue(ns->disk->queue);
lbaf = nvme_lbaf_index(id->flbas);
- ns->lba_shift = id->lbaf[lbaf].ds;
+ ns->head->lba_shift = id->lbaf[lbaf].ds;
+ ns->head->nuse = le64_to_cpu(id->nuse);
nvme_set_queue_limits(ns->ctrl, ns->queue);
- ret = nvme_configure_metadata(ns, id);
+ ret = nvme_configure_metadata(ns->ctrl, ns->head, id);
if (ret < 0) {
blk_mq_unfreeze_queue(ns->disk->queue);
goto out;
}
nvme_set_chunk_sectors(ns, id);
- nvme_update_disk_info(ns->disk, ns, id);
+ nvme_update_disk_info(ns->ctrl, ns->disk, ns->head, id);
if (ns->head->ids.csi == NVME_CSI_ZNS) {
ret = nvme_update_zone_info(ns, lbaf);
@@ -2078,7 +2145,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
* do not return zeroes.
*/
if ((id->dlfeat & 0x7) == 0x1 && (id->dlfeat & (1 << 3)))
- ns->features |= NVME_NS_DEAC;
+ ns->head->features |= NVME_NS_DEAC;
set_disk_ro(ns->disk, nvme_ns_is_readonly(ns, info));
set_bit(NVME_NS_READY, &ns->flags);
blk_mq_unfreeze_queue(ns->disk->queue);
@@ -2091,7 +2158,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
if (nvme_ns_head_multipath(ns->head)) {
blk_mq_freeze_queue(ns->head->disk->queue);
- nvme_update_disk_info(ns->head->disk, ns, id);
+ nvme_update_disk_info(ns->ctrl, ns->head->disk, ns->head, id);
set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info));
nvme_mpath_revalidate_paths(ns);
blk_stack_limits(&ns->head->disk->queue->limits,
@@ -2154,7 +2221,7 @@ static int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t l
cmd.common.cdw11 = cpu_to_le32(len);
return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len,
- NVME_QID_ANY, 1, 0);
+ NVME_QID_ANY, NVME_SUBMIT_AT_HEAD);
}
static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended)
@@ -2920,14 +2987,6 @@ static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl)
struct nvme_id_ctrl_nvm *id;
int ret;
- if (ctrl->oncs & NVME_CTRL_ONCS_DSM) {
- ctrl->max_discard_sectors = UINT_MAX;
- ctrl->max_discard_segments = NVME_DSM_MAX_RANGES;
- } else {
- ctrl->max_discard_sectors = 0;
- ctrl->max_discard_segments = 0;
- }
-
/*
* Even though NVMe spec explicitly states that MDTS is not applicable
* to the write-zeroes, we are cautious and limit the size to the
@@ -2957,8 +3016,7 @@ static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl)
if (ret)
goto free_data;
- if (id->dmrl)
- ctrl->max_discard_segments = id->dmrl;
+ ctrl->dmrl = id->dmrl;
ctrl->dmrsl = le32_to_cpu(id->dmrsl);
if (id->wzsl)
ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl);
@@ -3026,6 +3084,42 @@ static int nvme_init_effects(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
return 0;
}
+static int nvme_check_ctrl_fabric_info(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
+{
+ /*
+ * In fabrics we need to verify the cntlid matches the
+ * admin connect
+ */
+ if (ctrl->cntlid != le16_to_cpu(id->cntlid)) {
+ dev_err(ctrl->device,
+ "Mismatching cntlid: Connect %u vs Identify %u, rejecting\n",
+ ctrl->cntlid, le16_to_cpu(id->cntlid));
+ return -EINVAL;
+ }
+
+ if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) {
+ dev_err(ctrl->device,
+ "keep-alive support is mandatory for fabrics\n");
+ return -EINVAL;
+ }
+
+ if (!nvme_discovery_ctrl(ctrl) && ctrl->ioccsz < 4) {
+ dev_err(ctrl->device,
+ "I/O queue command capsule supported size %d < 4\n",
+ ctrl->ioccsz);
+ return -EINVAL;
+ }
+
+ if (!nvme_discovery_ctrl(ctrl) && ctrl->iorcsz < 1) {
+ dev_err(ctrl->device,
+ "I/O queue response capsule supported size %d < 1\n",
+ ctrl->iorcsz);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int nvme_init_identify(struct nvme_ctrl *ctrl)
{
struct nvme_id_ctrl *id;
@@ -3138,25 +3232,9 @@ static int nvme_init_identify(struct nvme_ctrl *ctrl)
ctrl->iorcsz = le32_to_cpu(id->iorcsz);
ctrl->maxcmd = le16_to_cpu(id->maxcmd);
- /*
- * In fabrics we need to verify the cntlid matches the
- * admin connect
- */
- if (ctrl->cntlid != le16_to_cpu(id->cntlid)) {
- dev_err(ctrl->device,
- "Mismatching cntlid: Connect %u vs Identify "
- "%u, rejecting\n",
- ctrl->cntlid, le16_to_cpu(id->cntlid));
- ret = -EINVAL;
- goto out_free;
- }
-
- if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) {
- dev_err(ctrl->device,
- "keep-alive support is mandatory for fabrics\n");
- ret = -EINVAL;
+ ret = nvme_check_ctrl_fabric_info(ctrl, id);
+ if (ret)
goto out_free;
- }
} else {
ctrl->hmpre = le32_to_cpu(id->hmpre);
ctrl->hmmin = le32_to_cpu(id->hmmin);
@@ -3415,6 +3493,8 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,
head->ns_id = info->nsid;
head->ids = info->ids;
head->shared = info->is_shared;
+ ratelimit_state_init(&head->rs_nuse, 5 * HZ, 1);
+ ratelimit_set_flags(&head->rs_nuse, RATELIMIT_MSG_ON_RELEASE);
kref_init(&head->ref);
if (head->ids.csi) {
@@ -3674,7 +3754,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info)
up_write(&ctrl->namespaces_rwsem);
nvme_get_ctrl(ctrl);
- if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups))
+ if (device_add_disk(ctrl->device, ns->disk, nvme_ns_attr_groups))
goto out_cleanup_ns_from_list;
if (!nvme_ns_head_multipath(ns->head))
@@ -3683,6 +3763,13 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info)
nvme_mpath_add_disk(ns, info->anagrpid);
nvme_fault_inject_init(&ns->fault_inject, ns->disk->disk_name);
+ /*
+ * Set ns->disk->device->driver_data to ns so we can access
+ * ns->head->passthru_err_log_enabled in
+ * nvme_io_passthru_err_log_enabled_[store | show]().
+ */
+ dev_set_drvdata(disk_to_dev(ns->disk), ns);
+
return;
out_cleanup_ns_from_list:
@@ -4488,6 +4575,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
int ret;
WRITE_ONCE(ctrl->state, NVME_CTRL_NEW);
+ ctrl->passthru_err_log_enabled = false;
clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags);
spin_lock_init(&ctrl->lock);
mutex_init(&ctrl->scan_lock);
@@ -4825,5 +4913,6 @@ static void __exit nvme_core_exit(void)
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0");
+MODULE_DESCRIPTION("NVMe host core framework");
module_init(nvme_core_init);
module_exit(nvme_core_exit);
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index aa88606a44..495c171dae 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -180,7 +180,7 @@ int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val)
cmd.prop_get.offset = cpu_to_le32(off);
ret = __nvme_submit_sync_cmd(ctrl->fabrics_q, &cmd, &res, NULL, 0,
- NVME_QID_ANY, 0, 0);
+ NVME_QID_ANY, 0);
if (ret >= 0)
*val = le64_to_cpu(res.u64);
@@ -226,7 +226,7 @@ int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val)
cmd.prop_get.offset = cpu_to_le32(off);
ret = __nvme_submit_sync_cmd(ctrl->fabrics_q, &cmd, &res, NULL, 0,
- NVME_QID_ANY, 0, 0);
+ NVME_QID_ANY, 0);
if (ret >= 0)
*val = le64_to_cpu(res.u64);
@@ -271,7 +271,7 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
cmd.prop_set.value = cpu_to_le64(val);
ret = __nvme_submit_sync_cmd(ctrl->fabrics_q, &cmd, NULL, NULL, 0,
- NVME_QID_ANY, 0, 0);
+ NVME_QID_ANY, 0);
if (unlikely(ret))
dev_err(ctrl->device,
"Property Set error: %d, offset %#x\n",
@@ -387,8 +387,8 @@ static struct nvmf_connect_data *nvmf_connect_data_prep(struct nvme_ctrl *ctrl,
uuid_copy(&data->hostid, &ctrl->opts->host->id);
data->cntlid = cpu_to_le16(cntlid);
- strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);
- strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);
+ strscpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);
+ strscpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);
return data;
}
@@ -450,8 +450,10 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
return -ENOMEM;
ret = __nvme_submit_sync_cmd(ctrl->fabrics_q, &cmd, &res,
- data, sizeof(*data), NVME_QID_ANY, 1,
- BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT);
+ data, sizeof(*data), NVME_QID_ANY,
+ NVME_SUBMIT_AT_HEAD |
+ NVME_SUBMIT_NOWAIT |
+ NVME_SUBMIT_RESERVED);
if (ret) {
nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
&cmd, data);
@@ -525,11 +527,14 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
return -ENOMEM;
ret = __nvme_submit_sync_cmd(ctrl->connect_q, &cmd, &res,
- data, sizeof(*data), qid, 1,
- BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT);
+ data, sizeof(*data), qid,
+ NVME_SUBMIT_AT_HEAD |
+ NVME_SUBMIT_RESERVED |
+ NVME_SUBMIT_NOWAIT);
if (ret) {
nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
&cmd, data);
+ goto out_free_data;
}
result = le32_to_cpu(res.u32);
if (result & (NVME_CONNECT_AUTHREQ_ATR | NVME_CONNECT_AUTHREQ_ASCR)) {
@@ -1488,6 +1493,7 @@ static void __exit nvmf_exit(void)
}
MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("NVMe host fabrics library");
module_init(nvmf_init);
module_exit(nvmf_exit);
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index e4acccc315..37c974c38d 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -178,9 +178,11 @@ static inline bool
nvmf_ctlr_matches_baseopts(struct nvme_ctrl *ctrl,
struct nvmf_ctrl_options *opts)
{
- if (ctrl->state == NVME_CTRL_DELETING ||
- ctrl->state == NVME_CTRL_DELETING_NOIO ||
- ctrl->state == NVME_CTRL_DEAD ||
+ enum nvme_ctrl_state state = nvme_ctrl_state(ctrl);
+
+ if (state == NVME_CTRL_DELETING ||
+ state == NVME_CTRL_DELETING_NOIO ||
+ state == NVME_CTRL_DEAD ||
strcmp(opts->subsysnqn, ctrl->opts->subsysnqn) ||
strcmp(opts->host->nqn, ctrl->opts->host->nqn) ||
!uuid_equal(&opts->host->id, &ctrl->opts->host->id))
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index e0f4129c3a..68a5d97165 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1211,10 +1211,10 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
/* Linux supports only Dynamic controllers */
assoc_rqst->assoc_cmd.cntlid = cpu_to_be16(0xffff);
uuid_copy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id);
- strncpy(assoc_rqst->assoc_cmd.hostnqn, ctrl->ctrl.opts->host->nqn,
- min(FCNVME_ASSOC_HOSTNQN_LEN, NVMF_NQN_SIZE));
- strncpy(assoc_rqst->assoc_cmd.subnqn, ctrl->ctrl.opts->subsysnqn,
- min(FCNVME_ASSOC_SUBNQN_LEN, NVMF_NQN_SIZE));
+ strscpy(assoc_rqst->assoc_cmd.hostnqn, ctrl->ctrl.opts->host->nqn,
+ sizeof(assoc_rqst->assoc_cmd.hostnqn));
+ strscpy(assoc_rqst->assoc_cmd.subnqn, ctrl->ctrl.opts->subsysnqn,
+ sizeof(assoc_rqst->assoc_cmd.subnqn));
lsop->queue = queue;
lsreq->rqstaddr = assoc_rqst;
@@ -2567,6 +2567,7 @@ static enum blk_eh_timer_return nvme_fc_timeout(struct request *rq)
{
struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq);
struct nvme_fc_ctrl *ctrl = op->ctrl;
+ u16 qnum = op->queue->qnum;
struct nvme_fc_cmd_iu *cmdiu = &op->cmd_iu;
struct nvme_command *sqe = &cmdiu->sqe;
@@ -2575,10 +2576,11 @@ static enum blk_eh_timer_return nvme_fc_timeout(struct request *rq)
* will detect the aborted io and will fail the connection.
*/
dev_info(ctrl->ctrl.device,
- "NVME-FC{%d.%d}: io timeout: opcode %d fctype %d w10/11: "
+ "NVME-FC{%d.%d}: io timeout: opcode %d fctype %d (%s) w10/11: "
"x%08x/x%08x\n",
- ctrl->cnum, op->queue->qnum, sqe->common.opcode,
- sqe->connect.fctype, sqe->common.cdw10, sqe->common.cdw11);
+ ctrl->cnum, qnum, sqe->common.opcode, sqe->fabrics.fctype,
+ nvme_fabrics_opcode_str(qnum, sqe),
+ sqe->common.cdw10, sqe->common.cdw11);
if (__nvme_fc_abort_op(ctrl, op))
nvme_fc_error_recovery(ctrl, "io timeout abort failed");
@@ -3491,10 +3493,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
ctrl->ctrl.opts = opts;
ctrl->ctrl.nr_reconnects = 0;
- if (lport->dev)
- ctrl->ctrl.numa_node = dev_to_node(lport->dev);
- else
- ctrl->ctrl.numa_node = NUMA_NO_NODE;
INIT_LIST_HEAD(&ctrl->ctrl_list);
ctrl->lport = lport;
ctrl->rport = rport;
@@ -3539,6 +3537,8 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_fc_ctrl_ops, 0);
if (ret)
goto out_free_queues;
+ if (lport->dev)
+ ctrl->ctrl.numa_node = dev_to_node(lport->dev);
/* at this point, teardown path changes to ref counting on nvme ctrl */
@@ -3570,8 +3570,8 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
flush_delayed_work(&ctrl->connect_work);
dev_info(ctrl->ctrl.device,
- "NVME-FC{%d}: new ctrl: NQN \"%s\"\n",
- ctrl->cnum, nvmf_ctrl_subsysnqn(&ctrl->ctrl));
+ "NVME-FC{%d}: new ctrl: NQN \"%s\", hostnqn: %s\n",
+ ctrl->cnum, nvmf_ctrl_subsysnqn(&ctrl->ctrl), opts->host->nqn);
return &ctrl->ctrl;
@@ -3971,4 +3971,5 @@ static void __exit nvme_fc_exit_module(void)
module_init(nvme_fc_init_module);
module_exit(nvme_fc_exit_module);
+MODULE_DESCRIPTION("NVMe host FC transport driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index 4939ed3563..3dfd5ae99a 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -5,7 +5,7 @@
*/
#include <linux/ptrace.h> /* for force_successful_syscall_return */
#include <linux/nvme_ioctl.h>
-#include <linux/io_uring.h>
+#include <linux/io_uring/cmd.h>
#include "nvme.h"
enum {
@@ -97,58 +97,6 @@ static void __user *nvme_to_user_ptr(uintptr_t ptrval)
return (void __user *)ptrval;
}
-static void *nvme_add_user_metadata(struct request *req, void __user *ubuf,
- unsigned len, u32 seed)
-{
- struct bio_integrity_payload *bip;
- int ret = -ENOMEM;
- void *buf;
- struct bio *bio = req->bio;
-
- buf = kmalloc(len, GFP_KERNEL);
- if (!buf)
- goto out;
-
- if (req_op(req) == REQ_OP_DRV_OUT) {
- ret = -EFAULT;
- if (copy_from_user(buf, ubuf, len))
- goto out_free_meta;
- } else {
- memset(buf, 0, len);
- }
-
- bip = bio_integrity_alloc(bio, GFP_KERNEL, 1);
- if (IS_ERR(bip)) {
- ret = PTR_ERR(bip);
- goto out_free_meta;
- }
-
- bip->bip_iter.bi_sector = seed;
- ret = bio_integrity_add_page(bio, virt_to_page(buf), len,
- offset_in_page(buf));
- if (ret != len) {
- ret = -ENOMEM;
- goto out_free_meta;
- }
-
- req->cmd_flags |= REQ_INTEGRITY;
- return buf;
-out_free_meta:
- kfree(buf);
-out:
- return ERR_PTR(ret);
-}
-
-static int nvme_finish_user_metadata(struct request *req, void __user *ubuf,
- void *meta, unsigned len, int ret)
-{
- if (!ret && req_op(req) == REQ_OP_DRV_IN &&
- copy_to_user(ubuf, meta, len))
- ret = -EFAULT;
- kfree(meta);
- return ret;
-}
-
static struct request *nvme_alloc_user_request(struct request_queue *q,
struct nvme_command *cmd, blk_opf_t rq_flags,
blk_mq_req_flags_t blk_flags)
@@ -165,14 +113,12 @@ static struct request *nvme_alloc_user_request(struct request_queue *q,
static int nvme_map_user_request(struct request *req, u64 ubuffer,
unsigned bufflen, void __user *meta_buffer, unsigned meta_len,
- u32 meta_seed, void **metap, struct io_uring_cmd *ioucmd,
- unsigned int flags)
+ u32 meta_seed, struct io_uring_cmd *ioucmd, unsigned int flags)
{
struct request_queue *q = req->q;
struct nvme_ns *ns = q->queuedata;
struct block_device *bdev = ns ? ns->disk->part0 : NULL;
struct bio *bio = NULL;
- void *meta = NULL;
int ret;
if (ioucmd && (ioucmd->flags & IORING_URING_CMD_FIXED)) {
@@ -194,18 +140,17 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
if (ret)
goto out;
+
bio = req->bio;
- if (bdev)
+ if (bdev) {
bio_set_dev(bio, bdev);
-
- if (bdev && meta_buffer && meta_len) {
- meta = nvme_add_user_metadata(req, meta_buffer, meta_len,
- meta_seed);
- if (IS_ERR(meta)) {
- ret = PTR_ERR(meta);
- goto out_unmap;
+ if (meta_buffer && meta_len) {
+ ret = bio_integrity_map_user(bio, meta_buffer, meta_len,
+ meta_seed);
+ if (ret)
+ goto out_unmap;
+ req->cmd_flags |= REQ_INTEGRITY;
}
- *metap = meta;
}
return ret;
@@ -226,7 +171,6 @@ static int nvme_submit_user_cmd(struct request_queue *q,
struct nvme_ns *ns = q->queuedata;
struct nvme_ctrl *ctrl;
struct request *req;
- void *meta = NULL;
struct bio *bio;
u32 effects;
int ret;
@@ -238,7 +182,7 @@ static int nvme_submit_user_cmd(struct request_queue *q,
req->timeout = timeout;
if (ubuffer && bufflen) {
ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer,
- meta_len, meta_seed, &meta, NULL, flags);
+ meta_len, meta_seed, NULL, flags);
if (ret)
return ret;
}
@@ -250,9 +194,6 @@ static int nvme_submit_user_cmd(struct request_queue *q,
ret = nvme_execute_rq(req, false);
if (result)
*result = le64_to_cpu(nvme_req(req)->result.u64);
- if (meta)
- ret = nvme_finish_user_metadata(req, meta_buffer, meta,
- meta_len, ret);
if (bio)
blk_rq_unmap_user(bio);
blk_mq_free_request(req);
@@ -284,10 +225,10 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
return -EINVAL;
}
- length = (io.nblocks + 1) << ns->lba_shift;
+ length = (io.nblocks + 1) << ns->head->lba_shift;
if ((io.control & NVME_RW_PRINFO_PRACT) &&
- ns->ms == sizeof(struct t10_pi_tuple)) {
+ (ns->head->ms == ns->head->pi_size)) {
/*
* Protection information is stripped/inserted by the
* controller.
@@ -297,11 +238,11 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
meta_len = 0;
metadata = NULL;
} else {
- meta_len = (io.nblocks + 1) * ns->ms;
+ meta_len = (io.nblocks + 1) * ns->head->ms;
metadata = nvme_to_user_ptr(io.metadata);
}
- if (ns->features & NVME_NS_EXT_LBAS) {
+ if (ns->head->features & NVME_NS_EXT_LBAS) {
length += meta_len;
meta_len = 0;
} else if (meta_len) {
@@ -447,19 +388,10 @@ struct nvme_uring_data {
* Expect build errors if this grows larger than that.
*/
struct nvme_uring_cmd_pdu {
- union {
- struct bio *bio;
- struct request *req;
- };
- u32 meta_len;
- u32 nvme_status;
- union {
- struct {
- void *meta; /* kernel-resident buffer */
- void __user *meta_buffer;
- };
- u64 result;
- } u;
+ struct request *req;
+ struct bio *bio;
+ u64 result;
+ int status;
};
static inline struct nvme_uring_cmd_pdu *nvme_uring_cmd_pdu(
@@ -468,31 +400,6 @@ static inline struct nvme_uring_cmd_pdu *nvme_uring_cmd_pdu(
return (struct nvme_uring_cmd_pdu *)&ioucmd->pdu;
}
-static void nvme_uring_task_meta_cb(struct io_uring_cmd *ioucmd,
- unsigned issue_flags)
-{
- struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd);
- struct request *req = pdu->req;
- int status;
- u64 result;
-
- if (nvme_req(req)->flags & NVME_REQ_CANCELLED)
- status = -EINTR;
- else
- status = nvme_req(req)->status;
-
- result = le64_to_cpu(nvme_req(req)->result.u64);
-
- if (pdu->meta_len)
- status = nvme_finish_user_metadata(req, pdu->u.meta_buffer,
- pdu->u.meta, pdu->meta_len, status);
- if (req->bio)
- blk_rq_unmap_user(req->bio);
- blk_mq_free_request(req);
-
- io_uring_cmd_done(ioucmd, status, result, issue_flags);
-}
-
static void nvme_uring_task_cb(struct io_uring_cmd *ioucmd,
unsigned issue_flags)
{
@@ -500,8 +407,7 @@ static void nvme_uring_task_cb(struct io_uring_cmd *ioucmd,
if (pdu->bio)
blk_rq_unmap_user(pdu->bio);
-
- io_uring_cmd_done(ioucmd, pdu->nvme_status, pdu->u.result, issue_flags);
+ io_uring_cmd_done(ioucmd, pdu->status, pdu->result, issue_flags);
}
static enum rq_end_io_ret nvme_uring_cmd_end_io(struct request *req,
@@ -510,53 +416,24 @@ static enum rq_end_io_ret nvme_uring_cmd_end_io(struct request *req,
struct io_uring_cmd *ioucmd = req->end_io_data;
struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd);
- req->bio = pdu->bio;
- if (nvme_req(req)->flags & NVME_REQ_CANCELLED) {
- pdu->nvme_status = -EINTR;
- } else {
- pdu->nvme_status = nvme_req(req)->status;
- if (!pdu->nvme_status)
- pdu->nvme_status = blk_status_to_errno(err);
- }
- pdu->u.result = le64_to_cpu(nvme_req(req)->result.u64);
+ if (nvme_req(req)->flags & NVME_REQ_CANCELLED)
+ pdu->status = -EINTR;
+ else
+ pdu->status = nvme_req(req)->status;
+ pdu->result = le64_to_cpu(nvme_req(req)->result.u64);
/*
* For iopoll, complete it directly.
* Otherwise, move the completion to task work.
*/
- if (blk_rq_is_poll(req)) {
- WRITE_ONCE(ioucmd->cookie, NULL);
+ if (blk_rq_is_poll(req))
nvme_uring_task_cb(ioucmd, IO_URING_F_UNLOCKED);
- } else {
+ else
io_uring_cmd_do_in_task_lazy(ioucmd, nvme_uring_task_cb);
- }
return RQ_END_IO_FREE;
}
-static enum rq_end_io_ret nvme_uring_cmd_end_io_meta(struct request *req,
- blk_status_t err)
-{
- struct io_uring_cmd *ioucmd = req->end_io_data;
- struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd);
-
- req->bio = pdu->bio;
- pdu->req = req;
-
- /*
- * For iopoll, complete it directly.
- * Otherwise, move the completion to task work.
- */
- if (blk_rq_is_poll(req)) {
- WRITE_ONCE(ioucmd->cookie, NULL);
- nvme_uring_task_meta_cb(ioucmd, IO_URING_F_UNLOCKED);
- } else {
- io_uring_cmd_do_in_task_lazy(ioucmd, nvme_uring_task_meta_cb);
- }
-
- return RQ_END_IO_NONE;
-}
-
static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
struct io_uring_cmd *ioucmd, unsigned int issue_flags, bool vec)
{
@@ -568,7 +445,6 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
struct request *req;
blk_opf_t rq_flags = REQ_ALLOC_CACHE;
blk_mq_req_flags_t blk_flags = 0;
- void *meta = NULL;
int ret;
c.common.opcode = READ_ONCE(cmd->opcode);
@@ -616,27 +492,16 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
if (d.addr && d.data_len) {
ret = nvme_map_user_request(req, d.addr,
d.data_len, nvme_to_user_ptr(d.metadata),
- d.metadata_len, 0, &meta, ioucmd, vec);
+ d.metadata_len, 0, ioucmd, vec);
if (ret)
return ret;
}
- if (blk_rq_is_poll(req)) {
- ioucmd->flags |= IORING_URING_CMD_POLLED;
- WRITE_ONCE(ioucmd->cookie, req);
- }
-
/* to free bio on completion, as req->bio will be null at that time */
pdu->bio = req->bio;
- pdu->meta_len = d.metadata_len;
+ pdu->req = req;
req->end_io_data = ioucmd;
- if (pdu->meta_len) {
- pdu->u.meta = meta;
- pdu->u.meta_buffer = nvme_to_user_ptr(d.metadata);
- req->end_io = nvme_uring_cmd_end_io_meta;
- } else {
- req->end_io = nvme_uring_cmd_end_io;
- }
+ req->end_io = nvme_uring_cmd_end_io;
blk_execute_rq_nowait(req, false);
return -EIOCBQUEUED;
}
@@ -787,16 +652,12 @@ int nvme_ns_chr_uring_cmd_iopoll(struct io_uring_cmd *ioucmd,
struct io_comp_batch *iob,
unsigned int poll_flags)
{
- struct request *req;
- int ret = 0;
-
- if (!(ioucmd->flags & IORING_URING_CMD_POLLED))
- return 0;
+ struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd);
+ struct request *req = pdu->req;
- req = READ_ONCE(ioucmd->cookie);
if (req && blk_rq_is_poll(req))
- ret = blk_rq_poll(req, iob, poll_flags);
- return ret;
+ return blk_rq_poll(req, iob, poll_flags);
+ return 0;
}
#ifdef CONFIG_NVME_MULTIPATH
static int nvme_ns_head_ctrl_ioctl(struct nvme_ns *ns, unsigned int cmd,
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 0a88d7bdc5..74de1e64ae 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -156,7 +156,7 @@ void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
if (!ns->head->disk)
continue;
kblockd_schedule_work(&ns->head->requeue_work);
- if (ctrl->state == NVME_CTRL_LIVE)
+ if (nvme_ctrl_state(ns->ctrl) == NVME_CTRL_LIVE)
disk_uevent(ns->head->disk, KOBJ_CHANGE);
}
up_read(&ctrl->namespaces_rwsem);
@@ -223,13 +223,14 @@ void nvme_mpath_revalidate_paths(struct nvme_ns *ns)
static bool nvme_path_is_disabled(struct nvme_ns *ns)
{
+ enum nvme_ctrl_state state = nvme_ctrl_state(ns->ctrl);
+
/*
* We don't treat NVME_CTRL_DELETING as a disabled path as I/O should
* still be able to complete assuming that the controller is connected.
* Otherwise it will fail immediately and return to the requeue list.
*/
- if (ns->ctrl->state != NVME_CTRL_LIVE &&
- ns->ctrl->state != NVME_CTRL_DELETING)
+ if (state != NVME_CTRL_LIVE && state != NVME_CTRL_DELETING)
return true;
if (test_bit(NVME_NS_ANA_PENDING, &ns->flags) ||
!test_bit(NVME_NS_READY, &ns->flags))
@@ -331,7 +332,7 @@ out:
static inline bool nvme_path_is_optimized(struct nvme_ns *ns)
{
- return ns->ctrl->state == NVME_CTRL_LIVE &&
+ return nvme_ctrl_state(ns->ctrl) == NVME_CTRL_LIVE &&
ns->ana_state == NVME_ANA_OPTIMIZED;
}
@@ -358,7 +359,7 @@ static bool nvme_available_path(struct nvme_ns_head *head)
list_for_each_entry_rcu(ns, &head->list, siblings) {
if (test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ns->ctrl->flags))
continue;
- switch (ns->ctrl->state) {
+ switch (nvme_ctrl_state(ns->ctrl)) {
case NVME_CTRL_LIVE:
case NVME_CTRL_RESETTING:
case NVME_CTRL_CONNECTING:
@@ -579,7 +580,7 @@ static void nvme_mpath_set_live(struct nvme_ns *ns)
*/
if (!test_and_set_bit(NVME_NSHEAD_DISK_LIVE, &head->flags)) {
rc = device_add_disk(&head->subsys->dev, head->disk,
- nvme_ns_id_attr_groups);
+ nvme_ns_attr_groups);
if (rc) {
clear_bit(NVME_NSHEAD_DISK_LIVE, &ns->flags);
return;
@@ -667,7 +668,7 @@ static void nvme_update_ns_ana_state(struct nvme_ana_group_desc *desc,
* controller is ready.
*/
if (nvme_state_is_live(ns->ana_state) &&
- ns->ctrl->state == NVME_CTRL_LIVE)
+ nvme_ctrl_state(ns->ctrl) == NVME_CTRL_LIVE)
nvme_mpath_set_live(ns);
}
@@ -748,7 +749,7 @@ static void nvme_ana_work(struct work_struct *work)
{
struct nvme_ctrl *ctrl = container_of(work, struct nvme_ctrl, ana_work);
- if (ctrl->state != NVME_CTRL_LIVE)
+ if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE)
return;
nvme_read_ana_log(ctrl);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index e7411dac00..7b87763e2f 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -16,6 +16,7 @@
#include <linux/rcupdate.h>
#include <linux/wait.h>
#include <linux/t10-pi.h>
+#include <linux/ratelimit_types.h>
#include <trace/events/block.h>
@@ -262,6 +263,7 @@ enum nvme_ctrl_flags {
struct nvme_ctrl {
bool comp_seen;
bool identified;
+ bool passthru_err_log_enabled;
enum nvme_ctrl_state state;
spinlock_t lock;
struct mutex scan_lock;
@@ -302,14 +304,13 @@ struct nvme_ctrl {
u32 max_hw_sectors;
u32 max_segments;
u32 max_integrity_segments;
- u32 max_discard_sectors;
- u32 max_discard_segments;
u32 max_zeroes_sectors;
#ifdef CONFIG_BLK_DEV_ZONED
u32 max_zone_append;
#endif
u16 crdt[3];
u16 oncs;
+ u8 dmrl;
u32 dmrsl;
u16 oacs;
u16 sqsize;
@@ -450,13 +451,28 @@ struct nvme_ns_head {
struct list_head list;
struct srcu_struct srcu;
struct nvme_subsystem *subsys;
- unsigned ns_id;
struct nvme_ns_ids ids;
struct list_head entry;
struct kref ref;
bool shared;
+ bool passthru_err_log_enabled;
int instance;
struct nvme_effects_log *effects;
+ u64 nuse;
+ unsigned ns_id;
+ int lba_shift;
+ u16 ms;
+ u16 pi_size;
+ u8 pi_type;
+ u8 guard_type;
+ u16 sgs;
+ u32 sws;
+#ifdef CONFIG_BLK_DEV_ZONED
+ u64 zsze;
+#endif
+ unsigned long features;
+
+ struct ratelimit_state rs_nuse;
struct cdev cdev;
struct device cdev_device;
@@ -498,17 +514,6 @@ struct nvme_ns {
struct kref kref;
struct nvme_ns_head *head;
- int lba_shift;
- u16 ms;
- u16 pi_size;
- u16 sgs;
- u32 sws;
- u8 pi_type;
- u8 guard_type;
-#ifdef CONFIG_BLK_DEV_ZONED
- u64 zsze;
-#endif
- unsigned long features;
unsigned long flags;
#define NVME_NS_REMOVING 0
#define NVME_NS_ANA_PENDING 2
@@ -519,13 +524,12 @@ struct nvme_ns {
struct device cdev_device;
struct nvme_fault_inject fault_inject;
-
};
/* NVMe ns supports metadata actions by the controller (generate/strip) */
-static inline bool nvme_ns_has_pi(struct nvme_ns *ns)
+static inline bool nvme_ns_has_pi(struct nvme_ns_head *head)
{
- return ns->pi_type && ns->ms == ns->pi_size;
+ return head->pi_type && head->ms == head->pi_size;
}
struct nvme_ctrl_ops {
@@ -657,17 +661,17 @@ static inline int nvme_reset_subsystem(struct nvme_ctrl *ctrl)
/*
* Convert a 512B sector number to a device logical block number.
*/
-static inline u64 nvme_sect_to_lba(struct nvme_ns *ns, sector_t sector)
+static inline u64 nvme_sect_to_lba(struct nvme_ns_head *head, sector_t sector)
{
- return sector >> (ns->lba_shift - SECTOR_SHIFT);
+ return sector >> (head->lba_shift - SECTOR_SHIFT);
}
/*
* Convert a device logical block number to a 512B sector number.
*/
-static inline sector_t nvme_lba_to_sect(struct nvme_ns *ns, u64 lba)
+static inline sector_t nvme_lba_to_sect(struct nvme_ns_head *head, u64 lba)
{
- return lba << (ns->lba_shift - SECTOR_SHIFT);
+ return lba << (head->lba_shift - SECTOR_SHIFT);
}
/*
@@ -802,17 +806,18 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req);
blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl,
struct request *req);
bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
- bool queue_live);
+ bool queue_live, enum nvme_ctrl_state state);
static inline bool nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
bool queue_live)
{
- if (likely(ctrl->state == NVME_CTRL_LIVE))
+ enum nvme_ctrl_state state = nvme_ctrl_state(ctrl);
+
+ if (likely(state == NVME_CTRL_LIVE))
return true;
- if (ctrl->ops->flags & NVME_F_FABRICS &&
- ctrl->state == NVME_CTRL_DELETING)
+ if (ctrl->ops->flags & NVME_F_FABRICS && state == NVME_CTRL_DELETING)
return queue_live;
- return __nvme_check_ready(ctrl, rq, queue_live);
+ return __nvme_check_ready(ctrl, rq, queue_live, state);
}
/*
@@ -833,12 +838,27 @@ static inline bool nvme_is_unique_nsid(struct nvme_ctrl *ctrl,
(ctrl->ctratt & NVME_CTRL_CTRATT_NVM_SETS);
}
+/*
+ * Flags for __nvme_submit_sync_cmd()
+ */
+typedef __u32 __bitwise nvme_submit_flags_t;
+
+enum {
+ /* Insert request at the head of the queue */
+ NVME_SUBMIT_AT_HEAD = (__force nvme_submit_flags_t)(1 << 0),
+ /* Set BLK_MQ_REQ_NOWAIT when allocating request */
+ NVME_SUBMIT_NOWAIT = (__force nvme_submit_flags_t)(1 << 1),
+ /* Set BLK_MQ_REQ_RESERVED when allocating request */
+ NVME_SUBMIT_RESERVED = (__force nvme_submit_flags_t)(1 << 2),
+ /* Retry command when NVME_SC_DNR is not set in the result */
+ NVME_SUBMIT_RETRY = (__force nvme_submit_flags_t)(1 << 3),
+};
+
int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
void *buf, unsigned bufflen);
int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
union nvme_result *result, void *buffer, unsigned bufflen,
- int qid, int at_head,
- blk_mq_req_flags_t flags);
+ int qid, nvme_submit_flags_t flags);
int nvme_set_features(struct nvme_ctrl *dev, unsigned int fid,
unsigned int dword11, void *buffer, size_t buflen,
u32 *result);
@@ -873,10 +893,12 @@ int nvme_ns_chr_uring_cmd(struct io_uring_cmd *ioucmd,
unsigned int issue_flags);
int nvme_ns_head_chr_uring_cmd(struct io_uring_cmd *ioucmd,
unsigned int issue_flags);
+int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
+ struct nvme_id_ns **id);
int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo);
int nvme_dev_uring_cmd(struct io_uring_cmd *ioucmd, unsigned int issue_flags);
-extern const struct attribute_group *nvme_ns_id_attr_groups[];
+extern const struct attribute_group *nvme_ns_attr_groups[];
extern const struct pr_ops nvme_pr_ops;
extern const struct block_device_operations nvme_ns_head_ops;
extern const struct attribute_group nvme_dev_attrs_group;
@@ -926,6 +948,10 @@ extern struct device_attribute dev_attr_ana_grpid;
extern struct device_attribute dev_attr_ana_state;
extern struct device_attribute subsys_attr_iopolicy;
+static inline bool nvme_disk_is_ns_head(struct gendisk *disk)
+{
+ return disk->fops == &nvme_ns_head_ops;
+}
#else
#define multipath false
static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl)
@@ -1003,6 +1029,10 @@ static inline void nvme_mpath_start_request(struct request *rq)
static inline void nvme_mpath_end_request(struct request *rq)
{
}
+static inline bool nvme_disk_is_ns_head(struct gendisk *disk)
+{
+ return false;
+}
#endif /* CONFIG_NVME_MULTIPATH */
int nvme_revalidate_zones(struct nvme_ns *ns);
@@ -1031,7 +1061,10 @@ static inline int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf)
static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
{
- return dev_to_disk(dev)->private_data;
+ struct gendisk *disk = dev_to_disk(dev);
+
+ WARN_ON(nvme_disk_is_ns_head(disk));
+ return disk->private_data;
}
#ifdef CONFIG_NVME_HWMON
@@ -1108,35 +1141,42 @@ static inline bool nvme_multi_css(struct nvme_ctrl *ctrl)
}
#ifdef CONFIG_NVME_VERBOSE_ERRORS
-const unsigned char *nvme_get_error_status_str(u16 status);
-const unsigned char *nvme_get_opcode_str(u8 opcode);
-const unsigned char *nvme_get_admin_opcode_str(u8 opcode);
-const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode);
+const char *nvme_get_error_status_str(u16 status);
+const char *nvme_get_opcode_str(u8 opcode);
+const char *nvme_get_admin_opcode_str(u8 opcode);
+const char *nvme_get_fabrics_opcode_str(u8 opcode);
#else /* CONFIG_NVME_VERBOSE_ERRORS */
-static inline const unsigned char *nvme_get_error_status_str(u16 status)
+static inline const char *nvme_get_error_status_str(u16 status)
{
return "I/O Error";
}
-static inline const unsigned char *nvme_get_opcode_str(u8 opcode)
+static inline const char *nvme_get_opcode_str(u8 opcode)
{
return "I/O Cmd";
}
-static inline const unsigned char *nvme_get_admin_opcode_str(u8 opcode)
+static inline const char *nvme_get_admin_opcode_str(u8 opcode)
{
return "Admin Cmd";
}
-static inline const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode)
+static inline const char *nvme_get_fabrics_opcode_str(u8 opcode)
{
return "Fabrics Cmd";
}
#endif /* CONFIG_NVME_VERBOSE_ERRORS */
-static inline const unsigned char *nvme_opcode_str(int qid, u8 opcode, u8 fctype)
+static inline const char *nvme_opcode_str(int qid, u8 opcode)
{
- if (opcode == nvme_fabrics_command)
- return nvme_get_fabrics_opcode_str(fctype);
return qid ? nvme_get_opcode_str(opcode) :
nvme_get_admin_opcode_str(opcode);
}
+
+static inline const char *nvme_fabrics_opcode_str(
+ int qid, const struct nvme_command *cmd)
+{
+ if (nvme_is_fabrics(cmd))
+ return nvme_get_fabrics_opcode_str(cmd->fabrics.fctype);
+
+ return nvme_opcode_str(qid, cmd->common.opcode);
+}
#endif /* _NVME_H */
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 61af7ff1a9..8e0bb96926 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1284,6 +1284,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
struct request *abort_req;
struct nvme_command cmd = { };
u32 csts = readl(dev->bar + NVME_REG_CSTS);
+ u8 opcode;
/* If PCI error recovery process is happening, we cannot reset or
* the recovery mechanism will surely fail.
@@ -1310,8 +1311,8 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
if (blk_mq_rq_state(req) != MQ_RQ_IN_FLIGHT) {
dev_warn(dev->ctrl.device,
- "I/O %d QID %d timeout, completion polled\n",
- req->tag, nvmeq->qid);
+ "I/O tag %d (%04x) QID %d timeout, completion polled\n",
+ req->tag, nvme_cid(req), nvmeq->qid);
return BLK_EH_DONE;
}
@@ -1327,8 +1328,8 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
fallthrough;
case NVME_CTRL_DELETING:
dev_warn_ratelimited(dev->ctrl.device,
- "I/O %d QID %d timeout, disable controller\n",
- req->tag, nvmeq->qid);
+ "I/O tag %d (%04x) QID %d timeout, disable controller\n",
+ req->tag, nvme_cid(req), nvmeq->qid);
nvme_req(req)->flags |= NVME_REQ_CANCELLED;
nvme_dev_disable(dev, true);
return BLK_EH_DONE;
@@ -1343,10 +1344,12 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
* command was already aborted once before and still hasn't been
* returned to the driver, or if this is the admin queue.
*/
+ opcode = nvme_req(req)->cmd->common.opcode;
if (!nvmeq->qid || iod->aborted) {
dev_warn(dev->ctrl.device,
- "I/O %d QID %d timeout, reset controller\n",
- req->tag, nvmeq->qid);
+ "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout, reset controller\n",
+ req->tag, nvme_cid(req), opcode,
+ nvme_opcode_str(nvmeq->qid, opcode), nvmeq->qid);
nvme_req(req)->flags |= NVME_REQ_CANCELLED;
goto disable;
}
@@ -1362,10 +1365,10 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
cmd.abort.sqid = cpu_to_le16(nvmeq->qid);
dev_warn(nvmeq->dev->ctrl.device,
- "I/O %d (%s) QID %d timeout, aborting\n",
- req->tag,
- nvme_get_opcode_str(nvme_req(req)->cmd->common.opcode),
- nvmeq->qid);
+ "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout, aborting req_op:%s(%u) size:%u\n",
+ req->tag, nvme_cid(req), opcode, nvme_get_opcode_str(opcode),
+ nvmeq->qid, blk_op_str(req_op(req)), req_op(req),
+ blk_rq_bytes(req));
abort_req = blk_mq_alloc_request(dev->ctrl.admin_q, nvme_req_op(&cmd),
BLK_MQ_REQ_NOWAIT);
@@ -2743,10 +2746,10 @@ static void nvme_reset_work(struct work_struct *work)
* controller around but remove all namespaces.
*/
if (dev->online_queues > 1) {
+ nvme_dbbuf_set(dev);
nvme_unquiesce_io_queues(&dev->ctrl);
nvme_wait_freeze(&dev->ctrl);
nvme_pci_update_nr_queues(dev);
- nvme_dbbuf_set(dev);
nvme_unfreeze(&dev->ctrl);
} else {
dev_warn(dev->ctrl.device, "IO queues lost\n");
@@ -3360,6 +3363,9 @@ static const struct pci_device_id nvme_id_table[] = {
NVME_QUIRK_BOGUS_NID, },
{ PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x126f, 0x2262), /* Silicon Motion generic */
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS |
+ NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST |
NVME_QUIRK_BOGUS_NID, },
@@ -3408,6 +3414,8 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x1c5c, 0x174a), /* SK Hynix P31 SSD */
.driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x1c5c, 0x1D59), /* SK Hynix BC901 */
+ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x15b7, 0x2001), /* Sandisk Skyhawk */
.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x1d97, 0x2263), /* SPCC */
@@ -3538,5 +3546,6 @@ static void __exit nvme_exit(void)
MODULE_AUTHOR("Matthew Wilcox <willy@linux.intel.com>");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0");
+MODULE_DESCRIPTION("NVMe host PCIe transport driver");
module_init(nvme_init);
module_exit(nvme_exit);
diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c
index 391b1465eb..fc3eed00f9 100644
--- a/drivers/nvme/host/pr.c
+++ b/drivers/nvme/host/pr.c
@@ -98,7 +98,7 @@ static int nvme_send_pr_command(struct block_device *bdev,
struct nvme_command *c, void *data, unsigned int data_len)
{
if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
- bdev->bd_disk->fops == &nvme_ns_head_ops)
+ nvme_disk_is_ns_head(bdev->bd_disk))
return nvme_send_ns_head_pr_command(bdev, c, data, data_len);
return nvme_send_ns_pr_command(bdev->bd_disk->private_data, c, data,
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 81e2621169..20fdd40b18 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1410,6 +1410,8 @@ static int nvme_rdma_map_sg_pi(struct nvme_rdma_queue *queue,
struct nvme_ns *ns = rq->q->queuedata;
struct bio *bio = rq->bio;
struct nvme_keyed_sgl_desc *sg = &c->common.dptr.ksgl;
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk);
+ u32 xfer_len;
int nr;
req->mr = ib_mr_pool_get(queue->qp, &queue->qp->sig_mrs);
@@ -1422,8 +1424,7 @@ static int nvme_rdma_map_sg_pi(struct nvme_rdma_queue *queue,
if (unlikely(nr))
goto mr_put;
- nvme_rdma_set_sig_attrs(blk_get_integrity(bio->bi_bdev->bd_disk), c,
- req->mr->sig_attrs, ns->pi_type);
+ nvme_rdma_set_sig_attrs(bi, c, req->mr->sig_attrs, ns->head->pi_type);
nvme_rdma_set_prot_checks(c, &req->mr->sig_attrs->check_mask);
ib_update_fast_reg_key(req->mr, ib_inc_rkey(req->mr->rkey));
@@ -1441,7 +1442,11 @@ static int nvme_rdma_map_sg_pi(struct nvme_rdma_queue *queue,
IB_ACCESS_REMOTE_WRITE;
sg->addr = cpu_to_le64(req->mr->iova);
- put_unaligned_le24(req->mr->length, sg->length);
+ xfer_len = req->mr->length;
+ /* Check if PI is added by the HW */
+ if (!pi_count)
+ xfer_len += (xfer_len >> bi->interval_exp) * ns->head->pi_size;
+ put_unaligned_le24(xfer_len, sg->length);
put_unaligned_le32(req->mr->rkey, sg->key);
sg->type = NVME_KEY_SGL_FMT_DATA_DESC << 4;
@@ -1946,9 +1951,13 @@ static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq)
struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_rdma_queue *queue = req->queue;
struct nvme_rdma_ctrl *ctrl = queue->ctrl;
+ struct nvme_command *cmd = req->req.cmd;
+ int qid = nvme_rdma_queue_idx(queue);
- dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n",
- rq->tag, nvme_rdma_queue_idx(queue));
+ dev_warn(ctrl->ctrl.device,
+ "I/O tag %d (%04x) opcode %#x (%s) QID %d timeout\n",
+ rq->tag, nvme_cid(rq), cmd->common.opcode,
+ nvme_fabrics_opcode_str(qid, cmd), qid);
if (nvme_ctrl_state(&ctrl->ctrl) != NVME_CTRL_LIVE) {
/*
@@ -2017,7 +2026,7 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
queue->pi_support &&
(c->common.opcode == nvme_cmd_write ||
c->common.opcode == nvme_cmd_read) &&
- nvme_ns_has_pi(ns))
+ nvme_ns_has_pi(ns->head))
req->use_sig_mr = true;
else
req->use_sig_mr = false;
@@ -2291,8 +2300,8 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev,
if (ret)
goto out_uninit_ctrl;
- dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISpcs\n",
- nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr);
+ dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISpcs, hostnqn: %s\n",
+ nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr, opts->host->nqn);
mutex_lock(&nvme_rdma_ctrl_mutex);
list_add_tail(&ctrl->list, &nvme_rdma_ctrl_list);
@@ -2395,4 +2404,5 @@ static void __exit nvme_rdma_cleanup_module(void)
module_init(nvme_rdma_init_module);
module_exit(nvme_rdma_cleanup_module);
+MODULE_DESCRIPTION("NVMe host RDMA transport driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c
index c6b7fbd4d3..09fcaa519e 100644
--- a/drivers/nvme/host/sysfs.c
+++ b/drivers/nvme/host/sysfs.c
@@ -35,16 +35,71 @@ static ssize_t nvme_sysfs_rescan(struct device *dev,
}
static DEVICE_ATTR(rescan_controller, S_IWUSR, NULL, nvme_sysfs_rescan);
+static ssize_t nvme_adm_passthru_err_log_enabled_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf,
+ ctrl->passthru_err_log_enabled ? "on\n" : "off\n");
+}
+
+static ssize_t nvme_adm_passthru_err_log_enabled_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
+ bool passthru_err_log_enabled;
+ int err;
+
+ err = kstrtobool(buf, &passthru_err_log_enabled);
+ if (err)
+ return -EINVAL;
+
+ ctrl->passthru_err_log_enabled = passthru_err_log_enabled;
+
+ return count;
+}
+
static inline struct nvme_ns_head *dev_to_ns_head(struct device *dev)
{
struct gendisk *disk = dev_to_disk(dev);
- if (disk->fops == &nvme_bdev_ops)
- return nvme_get_ns_from_dev(dev)->head;
- else
+ if (nvme_disk_is_ns_head(disk))
return disk->private_data;
+ return nvme_get_ns_from_dev(dev)->head;
}
+static ssize_t nvme_io_passthru_err_log_enabled_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct nvme_ns_head *head = dev_to_ns_head(dev);
+
+ return sysfs_emit(buf, head->passthru_err_log_enabled ? "on\n" : "off\n");
+}
+
+static ssize_t nvme_io_passthru_err_log_enabled_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct nvme_ns_head *head = dev_to_ns_head(dev);
+ bool passthru_err_log_enabled;
+ int err;
+
+ err = kstrtobool(buf, &passthru_err_log_enabled);
+ if (err)
+ return -EINVAL;
+ head->passthru_err_log_enabled = passthru_err_log_enabled;
+
+ return count;
+}
+
+static struct device_attribute dev_attr_adm_passthru_err_log_enabled = \
+ __ATTR(passthru_err_log_enabled, S_IRUGO | S_IWUSR, \
+ nvme_adm_passthru_err_log_enabled_show, nvme_adm_passthru_err_log_enabled_store);
+
+static struct device_attribute dev_attr_io_passthru_err_log_enabled = \
+ __ATTR(passthru_err_log_enabled, S_IRUGO | S_IWUSR, \
+ nvme_io_passthru_err_log_enabled_show, nvme_io_passthru_err_log_enabled_store);
+
static ssize_t wwid_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -114,20 +169,103 @@ static ssize_t nsid_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(nsid);
-static struct attribute *nvme_ns_id_attrs[] = {
+static ssize_t csi_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%u\n", dev_to_ns_head(dev)->ids.csi);
+}
+static DEVICE_ATTR_RO(csi);
+
+static ssize_t metadata_bytes_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sysfs_emit(buf, "%u\n", dev_to_ns_head(dev)->ms);
+}
+static DEVICE_ATTR_RO(metadata_bytes);
+
+static int ns_head_update_nuse(struct nvme_ns_head *head)
+{
+ struct nvme_id_ns *id;
+ struct nvme_ns *ns;
+ int srcu_idx, ret = -EWOULDBLOCK;
+
+ /* Avoid issuing commands too often by rate limiting the update */
+ if (!__ratelimit(&head->rs_nuse))
+ return 0;
+
+ srcu_idx = srcu_read_lock(&head->srcu);
+ ns = nvme_find_path(head);
+ if (!ns)
+ goto out_unlock;
+
+ ret = nvme_identify_ns(ns->ctrl, head->ns_id, &id);
+ if (ret)
+ goto out_unlock;
+
+ head->nuse = le64_to_cpu(id->nuse);
+ kfree(id);
+
+out_unlock:
+ srcu_read_unlock(&head->srcu, srcu_idx);
+ return ret;
+}
+
+static int ns_update_nuse(struct nvme_ns *ns)
+{
+ struct nvme_id_ns *id;
+ int ret;
+
+ /* Avoid issuing commands too often by rate limiting the update. */
+ if (!__ratelimit(&ns->head->rs_nuse))
+ return 0;
+
+ ret = nvme_identify_ns(ns->ctrl, ns->head->ns_id, &id);
+ if (ret)
+ return ret;
+
+ ns->head->nuse = le64_to_cpu(id->nuse);
+ kfree(id);
+ return 0;
+}
+
+static ssize_t nuse_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct nvme_ns_head *head = dev_to_ns_head(dev);
+ struct gendisk *disk = dev_to_disk(dev);
+ struct block_device *bdev = disk->part0;
+ int ret;
+
+ if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
+ bdev->bd_disk->fops == &nvme_ns_head_ops)
+ ret = ns_head_update_nuse(head);
+ else
+ ret = ns_update_nuse(bdev->bd_disk->private_data);
+ if (ret)
+ return ret;
+
+ return sysfs_emit(buf, "%llu\n", head->nuse);
+}
+static DEVICE_ATTR_RO(nuse);
+
+static struct attribute *nvme_ns_attrs[] = {
&dev_attr_wwid.attr,
&dev_attr_uuid.attr,
&dev_attr_nguid.attr,
&dev_attr_eui.attr,
+ &dev_attr_csi.attr,
&dev_attr_nsid.attr,
+ &dev_attr_metadata_bytes.attr,
+ &dev_attr_nuse.attr,
#ifdef CONFIG_NVME_MULTIPATH
&dev_attr_ana_grpid.attr,
&dev_attr_ana_state.attr,
#endif
+ &dev_attr_io_passthru_err_log_enabled.attr,
NULL,
};
-static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj,
+static umode_t nvme_ns_attrs_are_visible(struct kobject *kobj,
struct attribute *a, int n)
{
struct device *dev = container_of(kobj, struct device, kobj);
@@ -148,7 +286,8 @@ static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj,
}
#ifdef CONFIG_NVME_MULTIPATH
if (a == &dev_attr_ana_grpid.attr || a == &dev_attr_ana_state.attr) {
- if (dev_to_disk(dev)->fops != &nvme_bdev_ops) /* per-path attr */
+ /* per-path attr */
+ if (nvme_disk_is_ns_head(dev_to_disk(dev)))
return 0;
if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl))
return 0;
@@ -157,13 +296,13 @@ static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj,
return a->mode;
}
-static const struct attribute_group nvme_ns_id_attr_group = {
- .attrs = nvme_ns_id_attrs,
- .is_visible = nvme_ns_id_attrs_are_visible,
+static const struct attribute_group nvme_ns_attr_group = {
+ .attrs = nvme_ns_attrs,
+ .is_visible = nvme_ns_attrs_are_visible,
};
-const struct attribute_group *nvme_ns_id_attr_groups[] = {
- &nvme_ns_id_attr_group,
+const struct attribute_group *nvme_ns_attr_groups[] = {
+ &nvme_ns_attr_group,
NULL,
};
@@ -226,6 +365,7 @@ static ssize_t nvme_sysfs_show_state(struct device *dev,
char *buf)
{
struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
+ unsigned state = (unsigned)nvme_ctrl_state(ctrl);
static const char *const state_name[] = {
[NVME_CTRL_NEW] = "new",
[NVME_CTRL_LIVE] = "live",
@@ -236,9 +376,8 @@ static ssize_t nvme_sysfs_show_state(struct device *dev,
[NVME_CTRL_DEAD] = "dead",
};
- if ((unsigned)ctrl->state < ARRAY_SIZE(state_name) &&
- state_name[ctrl->state])
- return sysfs_emit(buf, "%s\n", state_name[ctrl->state]);
+ if (state < ARRAY_SIZE(state_name) && state_name[state])
+ return sysfs_emit(buf, "%s\n", state_name[state]);
return sysfs_emit(buf, "unknown state\n");
}
@@ -570,6 +709,7 @@ static struct attribute *nvme_dev_attrs[] = {
#ifdef CONFIG_NVME_TCP_TLS
&dev_attr_tls_key.attr,
#endif
+ &dev_attr_adm_passthru_err_log_enabled.attr,
NULL
};
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 08805f0278..a6d596e056 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1922,14 +1922,13 @@ static int nvme_tcp_alloc_admin_queue(struct nvme_ctrl *ctrl)
ctrl->opts->subsysnqn);
if (!pskid) {
dev_err(ctrl->device, "no valid PSK found\n");
- ret = -ENOKEY;
- goto out_free_queue;
+ return -ENOKEY;
}
}
ret = nvme_tcp_alloc_queue(ctrl, 0, pskid);
if (ret)
- goto out_free_queue;
+ return ret;
ret = nvme_tcp_alloc_async_req(to_tcp_ctrl(ctrl));
if (ret)
@@ -2429,13 +2428,13 @@ static enum blk_eh_timer_return nvme_tcp_timeout(struct request *rq)
struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl;
struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req);
- u8 opc = pdu->cmd.common.opcode, fctype = pdu->cmd.fabrics.fctype;
+ struct nvme_command *cmd = &pdu->cmd;
int qid = nvme_tcp_queue_id(req->queue);
dev_warn(ctrl->device,
- "queue %d: timeout cid %#x type %d opcode %#x (%s)\n",
- nvme_tcp_queue_id(req->queue), nvme_cid(rq), pdu->hdr.type,
- opc, nvme_opcode_str(qid, opc, fctype));
+ "I/O tag %d (%04x) type %d opcode %#x (%s) QID %d timeout\n",
+ rq->tag, nvme_cid(rq), pdu->hdr.type, cmd->common.opcode,
+ nvme_fabrics_opcode_str(qid, cmd), qid);
if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) {
/*
@@ -2754,8 +2753,8 @@ static struct nvme_ctrl *nvme_tcp_create_ctrl(struct device *dev,
if (ret)
goto out_uninit_ctrl;
- dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISp\n",
- nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr);
+ dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISp, hostnqn: %s\n",
+ nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr, opts->host->nqn);
mutex_lock(&nvme_tcp_ctrl_mutex);
list_add_tail(&ctrl->list, &nvme_tcp_ctrl_list);
@@ -2827,4 +2826,5 @@ static void __exit nvme_tcp_cleanup_module(void)
module_init(nvme_tcp_init_module);
module_exit(nvme_tcp_cleanup_module);
+MODULE_DESCRIPTION("NVMe host TCP transport driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c
index ec8557810c..499bbb0eee 100644
--- a/drivers/nvme/host/zns.c
+++ b/drivers/nvme/host/zns.c
@@ -11,7 +11,7 @@ int nvme_revalidate_zones(struct nvme_ns *ns)
{
struct request_queue *q = ns->queue;
- blk_queue_chunk_sectors(q, ns->zsze);
+ blk_queue_chunk_sectors(q, ns->head->zsze);
blk_queue_max_zone_append_sectors(q, ns->ctrl->max_zone_append);
return blk_revalidate_disk_zones(ns->disk, NULL);
@@ -99,16 +99,17 @@ int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf)
goto free_data;
}
- ns->zsze = nvme_lba_to_sect(ns, le64_to_cpu(id->lbafe[lbaf].zsze));
- if (!is_power_of_2(ns->zsze)) {
+ ns->head->zsze =
+ nvme_lba_to_sect(ns->head, le64_to_cpu(id->lbafe[lbaf].zsze));
+ if (!is_power_of_2(ns->head->zsze)) {
dev_warn(ns->ctrl->device,
"invalid zone size:%llu for namespace:%u\n",
- ns->zsze, ns->head->ns_id);
+ ns->head->zsze, ns->head->ns_id);
status = -ENODEV;
goto free_data;
}
- disk_set_zoned(ns->disk, BLK_ZONED_HM);
+ disk_set_zoned(ns->disk);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
disk_set_max_open_zones(ns->disk, le32_to_cpu(id->mor) + 1);
disk_set_max_active_zones(ns->disk, le32_to_cpu(id->mar) + 1);
@@ -128,7 +129,7 @@ static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns,
sizeof(struct nvme_zone_descriptor);
nr_zones = min_t(unsigned int, nr_zones,
- get_capacity(ns->disk) >> ilog2(ns->zsze));
+ get_capacity(ns->disk) >> ilog2(ns->head->zsze));
bufsize = sizeof(struct nvme_zone_report) +
nr_zones * sizeof(struct nvme_zone_descriptor);
@@ -147,7 +148,8 @@ static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns,
return NULL;
}
-static int nvme_zone_parse_entry(struct nvme_ns *ns,
+static int nvme_zone_parse_entry(struct nvme_ctrl *ctrl,
+ struct nvme_ns_head *head,
struct nvme_zone_descriptor *entry,
unsigned int idx, report_zones_cb cb,
void *data)
@@ -155,20 +157,20 @@ static int nvme_zone_parse_entry(struct nvme_ns *ns,
struct blk_zone zone = { };
if ((entry->zt & 0xf) != NVME_ZONE_TYPE_SEQWRITE_REQ) {
- dev_err(ns->ctrl->device, "invalid zone type %#x\n",
+ dev_err(ctrl->device, "invalid zone type %#x\n",
entry->zt);
return -EINVAL;
}
zone.type = BLK_ZONE_TYPE_SEQWRITE_REQ;
zone.cond = entry->zs >> 4;
- zone.len = ns->zsze;
- zone.capacity = nvme_lba_to_sect(ns, le64_to_cpu(entry->zcap));
- zone.start = nvme_lba_to_sect(ns, le64_to_cpu(entry->zslba));
+ zone.len = head->zsze;
+ zone.capacity = nvme_lba_to_sect(head, le64_to_cpu(entry->zcap));
+ zone.start = nvme_lba_to_sect(head, le64_to_cpu(entry->zslba));
if (zone.cond == BLK_ZONE_COND_FULL)
zone.wp = zone.start + zone.len;
else
- zone.wp = nvme_lba_to_sect(ns, le64_to_cpu(entry->wp));
+ zone.wp = nvme_lba_to_sect(head, le64_to_cpu(entry->wp));
return cb(&zone, idx, data);
}
@@ -196,11 +198,11 @@ int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector,
c.zmr.zrasf = NVME_ZRASF_ZONE_REPORT_ALL;
c.zmr.pr = NVME_REPORT_ZONE_PARTIAL;
- sector &= ~(ns->zsze - 1);
+ sector &= ~(ns->head->zsze - 1);
while (zone_idx < nr_zones && sector < get_capacity(ns->disk)) {
memset(report, 0, buflen);
- c.zmr.slba = cpu_to_le64(nvme_sect_to_lba(ns, sector));
+ c.zmr.slba = cpu_to_le64(nvme_sect_to_lba(ns->head, sector));
ret = nvme_submit_sync_cmd(ns->queue, &c, report, buflen);
if (ret) {
if (ret > 0)
@@ -213,14 +215,15 @@ int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector,
break;
for (i = 0; i < nz && zone_idx < nr_zones; i++) {
- ret = nvme_zone_parse_entry(ns, &report->entries[i],
+ ret = nvme_zone_parse_entry(ns->ctrl, ns->head,
+ &report->entries[i],
zone_idx, cb, data);
if (ret)
goto out_free;
zone_idx++;
}
- sector += ns->zsze * nz;
+ sector += ns->head->zsze * nz;
}
if (zone_idx > 0)
@@ -239,7 +242,7 @@ blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req,
c->zms.opcode = nvme_cmd_zone_mgmt_send;
c->zms.nsid = cpu_to_le32(ns->head->ns_id);
- c->zms.slba = cpu_to_le64(nvme_sect_to_lba(ns, blk_rq_pos(req)));
+ c->zms.slba = cpu_to_le64(nvme_sect_to_lba(ns->head, blk_rq_pos(req)));
c->zms.zsa = action;
if (req_op(req) == REQ_OP_ZONE_RESET_ALL)
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index d937fe0512..2482a0db25 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -1276,7 +1276,7 @@ static ssize_t nvmet_subsys_attr_cntlid_min_store(struct config_item *item,
return -EINVAL;
down_write(&nvmet_config_sem);
- if (cntlid_min >= to_subsys(item)->cntlid_max)
+ if (cntlid_min > to_subsys(item)->cntlid_max)
goto out_unlock;
to_subsys(item)->cntlid_min = cntlid_min;
up_write(&nvmet_config_sem);
@@ -1306,7 +1306,7 @@ static ssize_t nvmet_subsys_attr_cntlid_max_store(struct config_item *item,
return -EINVAL;
down_write(&nvmet_config_sem);
- if (cntlid_max <= to_subsys(item)->cntlid_min)
+ if (cntlid_max < to_subsys(item)->cntlid_min)
goto out_unlock;
to_subsys(item)->cntlid_max = cntlid_max;
up_write(&nvmet_config_sem);
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 3935165048..8658e9c085 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -248,7 +248,7 @@ void nvmet_ns_changed(struct nvmet_subsys *subsys, u32 nsid)
nvmet_add_to_changed_ns_log(ctrl, cpu_to_le32(nsid));
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_NS_ATTR))
continue;
- nvmet_add_async_event(ctrl, NVME_AER_TYPE_NOTICE,
+ nvmet_add_async_event(ctrl, NVME_AER_NOTICE,
NVME_AER_NOTICE_NS_CHANGED,
NVME_LOG_CHANGED_NS);
}
@@ -265,7 +265,7 @@ void nvmet_send_ana_event(struct nvmet_subsys *subsys,
continue;
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_ANA_CHANGE))
continue;
- nvmet_add_async_event(ctrl, NVME_AER_TYPE_NOTICE,
+ nvmet_add_async_event(ctrl, NVME_AER_NOTICE,
NVME_AER_NOTICE_ANA, NVME_LOG_ANA);
}
mutex_unlock(&subsys->lock);
@@ -1425,9 +1425,6 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
if (!ctrl->sqs)
goto out_free_changed_ns_list;
- if (subsys->cntlid_min > subsys->cntlid_max)
- goto out_free_sqs;
-
ret = ida_alloc_range(&cntlid_ida,
subsys->cntlid_min, subsys->cntlid_max,
GFP_KERNEL);
@@ -1708,4 +1705,5 @@ static void __exit nvmet_exit(void)
module_init(nvmet_init);
module_exit(nvmet_exit);
+MODULE_DESCRIPTION("NVMe target core framework");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 668d257fa9..68e82ccc0e 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -21,7 +21,7 @@ static void __nvmet_disc_changed(struct nvmet_port *port,
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_DISC_CHANGE))
return;
- nvmet_add_async_event(ctrl, NVME_AER_TYPE_NOTICE,
+ nvmet_add_async_event(ctrl, NVME_AER_NOTICE,
NVME_AER_NOTICE_DISC_CHANGED, NVME_LOG_DISC);
}
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index d8da840a1c..9964ffe347 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -209,7 +209,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
struct nvmf_connect_command *c = &req->cmd->connect;
struct nvmf_connect_data *d;
struct nvmet_ctrl *ctrl = NULL;
- u16 status = 0;
+ u16 status;
int ret;
if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data)))
@@ -290,7 +290,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
struct nvmf_connect_data *d;
struct nvmet_ctrl *ctrl;
u16 qid = le16_to_cpu(c->qid);
- u16 status = 0;
+ u16 status;
if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data)))
return;
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 666130878e..fd229f310c 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -497,8 +497,7 @@ nvmet_fc_xmt_disconnect_assoc(struct nvmet_fc_tgt_assoc *assoc)
* message is normal. Otherwise, send unless the hostport has
* already been invalidated by the lldd.
*/
- if (!tgtport->ops->ls_req || !assoc->hostport ||
- assoc->hostport->invalid)
+ if (!tgtport->ops->ls_req || assoc->hostport->invalid)
return;
lsop = kzalloc((sizeof(*lsop) +
@@ -1030,7 +1029,7 @@ nvmet_fc_match_hostport(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
list_for_each_entry(host, &tgtport->host_list, host_list) {
if (host->hosthandle == hosthandle && !host->invalid) {
if (nvmet_fc_hostport_get(host))
- return (host);
+ return host;
}
}
@@ -1115,14 +1114,27 @@ nvmet_fc_schedule_delete_assoc(struct nvmet_fc_tgt_assoc *assoc)
queue_work(nvmet_wq, &assoc->del_work);
}
+static bool
+nvmet_fc_assoc_exits(struct nvmet_fc_tgtport *tgtport, u64 association_id)
+{
+ struct nvmet_fc_tgt_assoc *a;
+
+ list_for_each_entry_rcu(a, &tgtport->assoc_list, a_list) {
+ if (association_id == a->association_id)
+ return true;
+ }
+
+ return false;
+}
+
static struct nvmet_fc_tgt_assoc *
nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
{
- struct nvmet_fc_tgt_assoc *assoc, *tmpassoc;
+ struct nvmet_fc_tgt_assoc *assoc;
unsigned long flags;
+ bool done;
u64 ran;
int idx;
- bool needrandom = true;
if (!tgtport->pe)
return NULL;
@@ -1135,12 +1147,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
if (idx < 0)
goto out_free_assoc;
- if (!nvmet_fc_tgtport_get(tgtport))
- goto out_ida;
-
assoc->hostport = nvmet_fc_alloc_hostport(tgtport, hosthandle);
if (IS_ERR(assoc->hostport))
- goto out_put;
+ goto out_ida;
assoc->tgtport = tgtport;
assoc->a_id = idx;
@@ -1149,29 +1158,24 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
INIT_WORK(&assoc->del_work, nvmet_fc_delete_assoc_work);
atomic_set(&assoc->terminating, 0);
- while (needrandom) {
+ done = false;
+ do {
get_random_bytes(&ran, sizeof(ran) - BYTES_FOR_QID);
ran = ran << BYTES_FOR_QID_SHIFT;
spin_lock_irqsave(&tgtport->lock, flags);
- needrandom = false;
- list_for_each_entry(tmpassoc, &tgtport->assoc_list, a_list) {
- if (ran == tmpassoc->association_id) {
- needrandom = true;
- break;
- }
- }
- if (!needrandom) {
+ rcu_read_lock();
+ if (!nvmet_fc_assoc_exits(tgtport, ran)) {
assoc->association_id = ran;
list_add_tail_rcu(&assoc->a_list, &tgtport->assoc_list);
+ done = true;
}
+ rcu_read_unlock();
spin_unlock_irqrestore(&tgtport->lock, flags);
- }
+ } while (!done);
return assoc;
-out_put:
- nvmet_fc_tgtport_put(tgtport);
out_ida:
ida_free(&tgtport->assoc_cnt, idx);
out_free_assoc:
@@ -1208,7 +1212,6 @@ nvmet_fc_target_assoc_free(struct kref *ref)
dev_info(tgtport->dev,
"{%d:%d} Association freed\n",
tgtport->fc_target_port.port_num, assoc->a_id);
- nvmet_fc_tgtport_put(tgtport);
kfree(assoc);
}
@@ -1552,8 +1555,7 @@ nvmet_fc_invalidate_host(struct nvmet_fc_target_port *target_port,
spin_lock_irqsave(&tgtport->lock, flags);
list_for_each_entry_safe(assoc, next,
&tgtport->assoc_list, a_list) {
- if (!assoc->hostport ||
- assoc->hostport->hosthandle != hosthandle)
+ if (assoc->hostport->hosthandle != hosthandle)
continue;
if (!nvmet_fc_tgt_a_get(assoc))
continue;
@@ -2962,4 +2964,5 @@ static void __exit nvmet_fc_exit_module(void)
module_init(nvmet_fc_init_module);
module_exit(nvmet_fc_exit_module);
+MODULE_DESCRIPTION("NVMe target FC transport driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index e6d4226827..1471af250e 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -995,11 +995,6 @@ fcloop_nport_free(struct kref *ref)
{
struct fcloop_nport *nport =
container_of(ref, struct fcloop_nport, ref);
- unsigned long flags;
-
- spin_lock_irqsave(&fcloop_lock, flags);
- list_del(&nport->nport_list);
- spin_unlock_irqrestore(&fcloop_lock, flags);
kfree(nport);
}
@@ -1357,6 +1352,8 @@ __unlink_remote_port(struct fcloop_nport *nport)
nport->tport->remoteport = NULL;
nport->rport = NULL;
+ list_del(&nport->nport_list);
+
return rport;
}
@@ -1653,4 +1650,5 @@ static void __exit fcloop_exit(void)
module_init(fcloop_init);
module_exit(fcloop_exit);
+MODULE_DESCRIPTION("NVMe target FC loop transport driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 9cb434c580..e589915dde 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -400,7 +400,7 @@ static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl)
}
nvme_quiesce_admin_queue(&ctrl->ctrl);
- if (ctrl->ctrl.state == NVME_CTRL_LIVE)
+ if (nvme_ctrl_state(&ctrl->ctrl) == NVME_CTRL_LIVE)
nvme_disable_ctrl(&ctrl->ctrl, true);
nvme_cancel_admin_tagset(&ctrl->ctrl);
@@ -434,8 +434,10 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work)
nvme_loop_shutdown_ctrl(ctrl);
if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
- if (ctrl->ctrl.state != NVME_CTRL_DELETING &&
- ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO)
+ enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl);
+
+ if (state != NVME_CTRL_DELETING &&
+ state != NVME_CTRL_DELETING_NOIO)
/* state change failure for non-deleted ctrl? */
WARN_ON_ONCE(1);
return;
@@ -688,5 +690,6 @@ static void __exit nvme_loop_cleanup_module(void)
module_init(nvme_loop_init_module);
module_exit(nvme_loop_cleanup_module);
+MODULE_DESCRIPTION("NVMe target loop transport driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("nvmet-transport-254"); /* 254 == NVMF_TRTYPE_LOOP */
diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index 9fe07d7efa..f2d963e1fe 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -602,7 +602,7 @@ int nvmet_passthru_ctrl_enable(struct nvmet_subsys *subsys)
goto out_put_file;
}
- old = xa_cmpxchg(&passthru_subsystems, ctrl->cntlid, NULL,
+ old = xa_cmpxchg(&passthru_subsystems, ctrl->instance, NULL,
subsys, GFP_KERNEL);
if (xa_is_err(old)) {
ret = xa_err(old);
@@ -635,7 +635,7 @@ out_unlock:
static void __nvmet_passthru_ctrl_disable(struct nvmet_subsys *subsys)
{
if (subsys->passthru_ctrl) {
- xa_erase(&passthru_subsystems, subsys->passthru_ctrl->cntlid);
+ xa_erase(&passthru_subsystems, subsys->passthru_ctrl->instance);
module_put(subsys->passthru_ctrl->ops->module);
nvme_put_ctrl(subsys->passthru_ctrl);
}
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 4597bca43a..3a0f2c170f 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -37,6 +37,8 @@
#define NVMET_RDMA_MAX_MDTS 8
#define NVMET_RDMA_MAX_METADATA_MDTS 5
+#define NVMET_RDMA_BACKLOG 128
+
struct nvmet_rdma_srq;
struct nvmet_rdma_cmd {
@@ -1583,8 +1585,19 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
}
if (queue->host_qid == 0) {
- /* Let inflight controller teardown complete */
- flush_workqueue(nvmet_wq);
+ struct nvmet_rdma_queue *q;
+ int pending = 0;
+
+ /* Check for pending controller teardown */
+ mutex_lock(&nvmet_rdma_queue_mutex);
+ list_for_each_entry(q, &nvmet_rdma_queue_list, queue_list) {
+ if (q->nvme_sq.ctrl == queue->nvme_sq.ctrl &&
+ q->state == NVMET_RDMA_Q_DISCONNECTING)
+ pending++;
+ }
+ mutex_unlock(&nvmet_rdma_queue_mutex);
+ if (pending > NVMET_RDMA_BACKLOG)
+ return NVME_SC_CONNECT_CTRL_BUSY;
}
ret = nvmet_rdma_cm_accept(cm_id, queue, &event->param.conn);
@@ -1880,7 +1893,7 @@ static int nvmet_rdma_enable_port(struct nvmet_rdma_port *port)
goto out_destroy_id;
}
- ret = rdma_listen(cm_id, 128);
+ ret = rdma_listen(cm_id, NVMET_RDMA_BACKLOG);
if (ret) {
pr_err("listening to %pISpcs failed (%d)\n", addr, ret);
goto out_destroy_id;
@@ -2091,5 +2104,6 @@ static void __exit nvmet_rdma_exit(void)
module_init(nvmet_rdma_init);
module_exit(nvmet_rdma_exit);
+MODULE_DESCRIPTION("NVMe target RDMA transport driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("nvmet-transport-1"); /* 1 == NVMF_TRTYPE_RDMA */
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index bb42ae42b1..c8655fc5aa 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -25,6 +25,7 @@
#define NVMET_TCP_DEF_INLINE_DATA_SIZE (4 * PAGE_SIZE)
#define NVMET_TCP_MAXH2CDATA 0x400000 /* 16M arbitrary limit */
+#define NVMET_TCP_BACKLOG 128
static int param_store_val(const char *str, int *val, int min, int max)
{
@@ -985,8 +986,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
if (unlikely(data->ttag >= queue->nr_cmds)) {
pr_err("queue %d: received out of bound ttag %u, nr_cmds %u\n",
queue->idx, data->ttag, queue->nr_cmds);
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
cmd = &queue->cmds[data->ttag];
} else {
@@ -997,9 +997,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
pr_err("ttag %u unexpected data offset %u (expected %u)\n",
data->ttag, le32_to_cpu(data->data_offset),
cmd->rbytes_done);
- /* FIXME: use path and transport errors */
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
exp_data_len = le32_to_cpu(data->hdr.plen) -
@@ -1012,9 +1010,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
cmd->pdu_len == 0 ||
cmd->pdu_len > NVMET_TCP_MAXH2CDATA)) {
pr_err("H2CData PDU len %u is invalid\n", cmd->pdu_len);
- /* FIXME: use proper transport errors */
- nvmet_tcp_fatal_error(queue);
- return -EPROTO;
+ goto err_proto;
}
cmd->pdu_recv = 0;
nvmet_tcp_build_pdu_iovec(cmd);
@@ -1022,6 +1018,11 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue)
queue->rcv_state = NVMET_TCP_RECV_DATA;
return 0;
+
+err_proto:
+ /* FIXME: use proper transport errors */
+ nvmet_tcp_fatal_error(queue);
+ return -EPROTO;
}
static int nvmet_tcp_done_recv_pdu(struct nvmet_tcp_queue *queue)
@@ -2067,7 +2068,7 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport)
goto err_sock;
}
- ret = kernel_listen(port->sock, 128);
+ ret = kernel_listen(port->sock, NVMET_TCP_BACKLOG);
if (ret) {
pr_err("failed to listen %d on port sock\n", ret);
goto err_sock;
@@ -2133,8 +2134,19 @@ static u16 nvmet_tcp_install_queue(struct nvmet_sq *sq)
container_of(sq, struct nvmet_tcp_queue, nvme_sq);
if (sq->qid == 0) {
- /* Let inflight controller teardown complete */
- flush_workqueue(nvmet_wq);
+ struct nvmet_tcp_queue *q;
+ int pending = 0;
+
+ /* Check for pending controller teardown */
+ mutex_lock(&nvmet_tcp_queue_mutex);
+ list_for_each_entry(q, &nvmet_tcp_queue_list, queue_list) {
+ if (q->nvme_sq.ctrl == sq->ctrl &&
+ q->state == NVMET_TCP_Q_DISCONNECTING)
+ pending++;
+ }
+ mutex_unlock(&nvmet_tcp_queue_mutex);
+ if (pending > NVMET_TCP_BACKLOG)
+ return NVME_SC_CONNECT_CTRL_BUSY;
}
queue->nr_cmds = sq->size * 2;
@@ -2210,5 +2222,6 @@ static void __exit nvmet_tcp_exit(void)
module_init(nvmet_tcp_init);
module_exit(nvmet_tcp_exit);
+MODULE_DESCRIPTION("NVMe target TCP transport driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("nvmet-transport-3"); /* 3 == NVMF_TRTYPE_TCP */
diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c
index bff454d462..6ee1f3db81 100644
--- a/drivers/nvme/target/trace.c
+++ b/drivers/nvme/target/trace.c
@@ -211,7 +211,7 @@ const char *nvmet_trace_disk_name(struct trace_seq *p, char *name)
return ret;
}
-const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl)
+const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id)
{
const char *ret = trace_seq_buffer_ptr(p);
@@ -224,8 +224,8 @@ const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl)
* If we can know the extra data of the connect command in this stage,
* we can update this print statement later.
*/
- if (ctrl)
- trace_seq_printf(p, "%d", ctrl->cntlid);
+ if (ctrl_id)
+ trace_seq_printf(p, "%d", ctrl_id);
else
trace_seq_printf(p, "_");
trace_seq_putc(p, 0);
diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h
index 974d99d47f..7f7ebf9558 100644
--- a/drivers/nvme/target/trace.h
+++ b/drivers/nvme/target/trace.h
@@ -32,18 +32,24 @@ const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype,
nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \
nvmet_trace_parse_admin_cmd(p, opcode, cdw10)))
-const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl);
-#define __print_ctrl_name(ctrl) \
- nvmet_trace_ctrl_name(p, ctrl)
+const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id);
+#define __print_ctrl_id(ctrl_id) \
+ nvmet_trace_ctrl_id(p, ctrl_id)
const char *nvmet_trace_disk_name(struct trace_seq *p, char *name);
#define __print_disk_name(name) \
nvmet_trace_disk_name(p, name)
#ifndef TRACE_HEADER_MULTI_READ
-static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req)
+static inline u16 nvmet_req_to_ctrl_id(struct nvmet_req *req)
{
- return req->sq->ctrl;
+ /*
+ * The queue and controller pointers are not valid until an association
+ * has been established.
+ */
+ if (!req->sq || !req->sq->ctrl)
+ return 0;
+ return req->sq->ctrl->cntlid;
}
static inline void __assign_req_name(char *name, struct nvmet_req *req)
@@ -62,7 +68,7 @@ TRACE_EVENT(nvmet_req_init,
TP_ARGS(req, cmd),
TP_STRUCT__entry(
__field(struct nvme_command *, cmd)
- __field(struct nvmet_ctrl *, ctrl)
+ __field(u16, ctrl_id)
__array(char, disk, DISK_NAME_LEN)
__field(int, qid)
__field(u16, cid)
@@ -75,7 +81,7 @@ TRACE_EVENT(nvmet_req_init,
),
TP_fast_assign(
__entry->cmd = cmd;
- __entry->ctrl = nvmet_req_to_ctrl(req);
+ __entry->ctrl_id = nvmet_req_to_ctrl_id(req);
__assign_req_name(__entry->disk, req);
__entry->qid = req->sq->qid;
__entry->cid = cmd->common.command_id;
@@ -89,7 +95,7 @@ TRACE_EVENT(nvmet_req_init,
),
TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, "
"meta=%#llx, cmd=(%s, %s)",
- __print_ctrl_name(__entry->ctrl),
+ __print_ctrl_id(__entry->ctrl_id),
__print_disk_name(__entry->disk),
__entry->qid, __entry->cid, __entry->nsid,
__entry->flags, __entry->metadata,
@@ -103,7 +109,7 @@ TRACE_EVENT(nvmet_req_complete,
TP_PROTO(struct nvmet_req *req),
TP_ARGS(req),
TP_STRUCT__entry(
- __field(struct nvmet_ctrl *, ctrl)
+ __field(u16, ctrl_id)
__array(char, disk, DISK_NAME_LEN)
__field(int, qid)
__field(int, cid)
@@ -111,7 +117,7 @@ TRACE_EVENT(nvmet_req_complete,
__field(u16, status)
),
TP_fast_assign(
- __entry->ctrl = nvmet_req_to_ctrl(req);
+ __entry->ctrl_id = nvmet_req_to_ctrl_id(req);
__entry->qid = req->cq->qid;
__entry->cid = req->cqe->command_id;
__entry->result = le64_to_cpu(req->cqe->result.u64);
@@ -119,7 +125,7 @@ TRACE_EVENT(nvmet_req_complete,
__assign_req_name(__entry->disk, req);
),
TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x",
- __print_ctrl_name(__entry->ctrl),
+ __print_ctrl_id(__entry->ctrl_id),
__print_disk_name(__entry->disk),
__entry->qid, __entry->cid, __entry->result, __entry->status)