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Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c38
-rw-r--r--drivers/nvme/host/fc.c15
-rw-r--r--drivers/nvme/host/multipath.c2
-rw-r--r--drivers/nvme/host/nvme.h9
-rw-r--r--drivers/nvme/host/pci.c135
-rw-r--r--drivers/nvme/host/rdma.c15
-rw-r--r--drivers/nvme/host/tcp.c30
-rw-r--r--drivers/nvme/target/admin-cmd.c8
-rw-r--r--drivers/nvme/target/fcloop.c7
-rw-r--r--drivers/nvme/target/rdma.c26
-rw-r--r--drivers/nvme/target/tcp.c3
11 files changed, 201 insertions, 87 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ce1b61519441..f13eb4ded95f 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -179,7 +179,7 @@ int nvme_reset_ctrl(struct nvme_ctrl *ctrl)
}
EXPORT_SYMBOL_GPL(nvme_reset_ctrl);
-int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
+static int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
{
int ret;
@@ -192,7 +192,6 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
return ret;
}
-EXPORT_SYMBOL_GPL(nvme_reset_ctrl_sync);
static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl)
{
@@ -331,7 +330,7 @@ static inline void nvme_end_req(struct request *req)
req->__sector = nvme_lba_to_sect(req->q->queuedata,
le64_to_cpu(nvme_req(req)->result.u64));
- nvme_trace_bio_complete(req, status);
+ nvme_trace_bio_complete(req);
blk_mq_end_request(req, status);
}
@@ -578,7 +577,7 @@ struct request *nvme_alloc_request(struct request_queue *q,
}
EXPORT_SYMBOL_GPL(nvme_alloc_request);
-struct request *nvme_alloc_request_qid(struct request_queue *q,
+static struct request *nvme_alloc_request_qid(struct request_queue *q,
struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid)
{
struct request *req;
@@ -589,7 +588,6 @@ struct request *nvme_alloc_request_qid(struct request_queue *q,
nvme_init_request(req, cmd);
return req;
}
-EXPORT_SYMBOL_GPL(nvme_alloc_request_qid);
static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable)
{
@@ -1545,8 +1543,21 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
}
length = (io.nblocks + 1) << ns->lba_shift;
- meta_len = (io.nblocks + 1) * ns->ms;
- metadata = nvme_to_user_ptr(io.metadata);
+
+ if ((io.control & NVME_RW_PRINFO_PRACT) &&
+ ns->ms == sizeof(struct t10_pi_tuple)) {
+ /*
+ * Protection information is stripped/inserted by the
+ * controller.
+ */
+ if (nvme_to_user_ptr(io.metadata))
+ return -EINVAL;
+ meta_len = 0;
+ metadata = NULL;
+ } else {
+ meta_len = (io.nblocks + 1) * ns->ms;
+ metadata = nvme_to_user_ptr(io.metadata);
+ }
if (ns->features & NVME_NS_EXT_LBAS) {
length += meta_len;
@@ -2858,6 +2869,11 @@ static const struct attribute_group *nvme_subsys_attrs_groups[] = {
NULL,
};
+static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl)
+{
+ return ctrl->opts && ctrl->opts->discovery_nqn;
+}
+
static bool nvme_validate_cntlid(struct nvme_subsystem *subsys,
struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
{
@@ -2877,7 +2893,7 @@ static bool nvme_validate_cntlid(struct nvme_subsystem *subsys,
}
if ((id->cmic & NVME_CTRL_CMIC_MULTI_CTRL) ||
- (ctrl->opts && ctrl->opts->discovery_nqn))
+ nvme_discovery_ctrl(ctrl))
continue;
dev_err(ctrl->device,
@@ -3146,7 +3162,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
goto out_free;
}
- if (!ctrl->opts->discovery_nqn && !ctrl->kas) {
+ if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) {
dev_err(ctrl->device,
"keep-alive support is mandatory for fabrics\n");
ret = -EINVAL;
@@ -3186,7 +3202,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
if (ret < 0)
return ret;
- if (!ctrl->identified) {
+ if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) {
ret = nvme_hwmon_init(ctrl);
if (ret < 0)
return ret;
@@ -3813,7 +3829,7 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
}
}
- list_add_tail(&ns->siblings, &head->list);
+ list_add_tail_rcu(&ns->siblings, &head->list);
ns->head = head;
mutex_unlock(&ctrl->subsys->lock);
return 0;
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 38373a0e86ef..5f36cfa8136c 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -166,6 +166,7 @@ struct nvme_fc_ctrl {
struct blk_mq_tag_set admin_tag_set;
struct blk_mq_tag_set tag_set;
+ struct work_struct ioerr_work;
struct delayed_work connect_work;
struct kref ref;
@@ -1889,6 +1890,15 @@ __nvme_fc_fcpop_chk_teardowns(struct nvme_fc_ctrl *ctrl,
}
static void
+nvme_fc_ctrl_ioerr_work(struct work_struct *work)
+{
+ struct nvme_fc_ctrl *ctrl =
+ container_of(work, struct nvme_fc_ctrl, ioerr_work);
+
+ nvme_fc_error_recovery(ctrl, "transport detected io error");
+}
+
+static void
nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
{
struct nvme_fc_fcp_op *op = fcp_req_to_fcp_op(req);
@@ -2046,7 +2056,7 @@ done:
check_error:
if (terminate_assoc)
- nvme_fc_error_recovery(ctrl, "transport detected io error");
+ queue_work(nvme_reset_wq, &ctrl->ioerr_work);
}
static int
@@ -3233,6 +3243,7 @@ nvme_fc_delete_ctrl(struct nvme_ctrl *nctrl)
{
struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl);
+ cancel_work_sync(&ctrl->ioerr_work);
cancel_delayed_work_sync(&ctrl->connect_work);
/*
* kill the association on the link side. this will block
@@ -3449,6 +3460,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
INIT_WORK(&ctrl->ctrl.reset_work, nvme_fc_reset_ctrl_work);
INIT_DELAYED_WORK(&ctrl->connect_work, nvme_fc_connect_ctrl_work);
+ INIT_WORK(&ctrl->ioerr_work, nvme_fc_ctrl_ioerr_work);
spin_lock_init(&ctrl->lock);
/* io queue count */
@@ -3540,6 +3552,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
fail_ctrl:
nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING);
+ cancel_work_sync(&ctrl->ioerr_work);
cancel_work_sync(&ctrl->ctrl.reset_work);
cancel_delayed_work_sync(&ctrl->connect_work);
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 9ac762b28811..282b7a4ea9a9 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -221,7 +221,7 @@ static struct nvme_ns *nvme_round_robin_path(struct nvme_ns_head *head,
}
for (ns = nvme_next_ns(head, old);
- ns != old;
+ ns && ns != old;
ns = nvme_next_ns(head, ns)) {
if (nvme_path_is_disabled(ns))
continue;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 7e49f61f81df..88a6b97247f5 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -610,8 +610,6 @@ void nvme_start_freeze(struct nvme_ctrl *ctrl);
#define NVME_QID_ANY -1
struct request *nvme_alloc_request(struct request_queue *q,
struct nvme_command *cmd, blk_mq_req_flags_t flags);
-struct request *nvme_alloc_request_qid(struct request_queue *q,
- struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid);
void nvme_cleanup_cmd(struct request *req);
blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
struct nvme_command *cmd);
@@ -630,7 +628,6 @@ int nvme_get_features(struct nvme_ctrl *dev, unsigned int fid,
int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
-int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl);
int nvme_try_sched_reset(struct nvme_ctrl *ctrl);
int nvme_delete_ctrl(struct nvme_ctrl *ctrl);
@@ -675,8 +672,7 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
kblockd_schedule_work(&head->requeue_work);
}
-static inline void nvme_trace_bio_complete(struct request *req,
- blk_status_t status)
+static inline void nvme_trace_bio_complete(struct request *req)
{
struct nvme_ns *ns = req->q->queuedata;
@@ -731,8 +727,7 @@ static inline void nvme_mpath_clear_ctrl_paths(struct nvme_ctrl *ctrl)
static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
{
}
-static inline void nvme_trace_bio_complete(struct request *req,
- blk_status_t status)
+static inline void nvme_trace_bio_complete(struct request *req)
{
}
static inline int nvme_mpath_init(struct nvme_ctrl *ctrl,
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index b4385cb0ff60..6bad4d4dcdf0 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -23,6 +23,7 @@
#include <linux/t10-pi.h>
#include <linux/types.h>
#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/io-64-nonatomic-hi-lo.h>
#include <linux/sed-opal.h>
#include <linux/pci-p2pdma.h>
@@ -542,50 +543,71 @@ static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req)
return true;
}
-static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
+static void nvme_free_prps(struct nvme_dev *dev, struct request *req)
{
- struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
const int last_prp = NVME_CTRL_PAGE_SIZE / sizeof(__le64) - 1;
- dma_addr_t dma_addr = iod->first_dma, next_dma_addr;
+ struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+ dma_addr_t dma_addr = iod->first_dma;
int i;
- if (iod->dma_len) {
- dma_unmap_page(dev->dev, dma_addr, iod->dma_len,
- rq_dma_dir(req));
- return;
+ for (i = 0; i < iod->npages; i++) {
+ __le64 *prp_list = nvme_pci_iod_list(req)[i];
+ dma_addr_t next_dma_addr = le64_to_cpu(prp_list[last_prp]);
+
+ dma_pool_free(dev->prp_page_pool, prp_list, dma_addr);
+ dma_addr = next_dma_addr;
}
- WARN_ON_ONCE(!iod->nents);
+}
- if (is_pci_p2pdma_page(sg_page(iod->sg)))
- pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
- rq_dma_dir(req));
- else
- dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
+static void nvme_free_sgls(struct nvme_dev *dev, struct request *req)
+{
+ const int last_sg = SGES_PER_PAGE - 1;
+ struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+ dma_addr_t dma_addr = iod->first_dma;
+ int i;
+ for (i = 0; i < iod->npages; i++) {
+ struct nvme_sgl_desc *sg_list = nvme_pci_iod_list(req)[i];
+ dma_addr_t next_dma_addr = le64_to_cpu((sg_list[last_sg]).addr);
- if (iod->npages == 0)
- dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
- dma_addr);
+ dma_pool_free(dev->prp_page_pool, sg_list, dma_addr);
+ dma_addr = next_dma_addr;
+ }
- for (i = 0; i < iod->npages; i++) {
- void *addr = nvme_pci_iod_list(req)[i];
+}
- if (iod->use_sgl) {
- struct nvme_sgl_desc *sg_list = addr;
+static void nvme_unmap_sg(struct nvme_dev *dev, struct request *req)
+{
+ struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
- next_dma_addr =
- le64_to_cpu((sg_list[SGES_PER_PAGE - 1]).addr);
- } else {
- __le64 *prp_list = addr;
+ if (is_pci_p2pdma_page(sg_page(iod->sg)))
+ pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
+ rq_dma_dir(req));
+ else
+ dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
+}
- next_dma_addr = le64_to_cpu(prp_list[last_prp]);
- }
+static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
+{
+ struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
- dma_pool_free(dev->prp_page_pool, addr, dma_addr);
- dma_addr = next_dma_addr;
+ if (iod->dma_len) {
+ dma_unmap_page(dev->dev, iod->first_dma, iod->dma_len,
+ rq_dma_dir(req));
+ return;
}
+ WARN_ON_ONCE(!iod->nents);
+
+ nvme_unmap_sg(dev, req);
+ if (iod->npages == 0)
+ dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
+ iod->first_dma);
+ else if (iod->use_sgl)
+ nvme_free_sgls(dev, req);
+ else
+ nvme_free_prps(dev, req);
mempool_free(iod->sg, dev->iod_mempool);
}
@@ -661,7 +683,7 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev *dev,
__le64 *old_prp_list = prp_list;
prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma);
if (!prp_list)
- return BLK_STS_RESOURCE;
+ goto free_prps;
list[iod->npages++] = prp_list;
prp_list[0] = old_prp_list[i - 1];
old_prp_list[i - 1] = cpu_to_le64(prp_dma);
@@ -681,14 +703,14 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev *dev,
dma_addr = sg_dma_address(sg);
dma_len = sg_dma_len(sg);
}
-
done:
cmnd->dptr.prp1 = cpu_to_le64(sg_dma_address(iod->sg));
cmnd->dptr.prp2 = cpu_to_le64(iod->first_dma);
-
return BLK_STS_OK;
-
- bad_sgl:
+free_prps:
+ nvme_free_prps(dev, req);
+ return BLK_STS_RESOURCE;
+bad_sgl:
WARN(DO_ONCE(nvme_print_sgl, iod->sg, iod->nents),
"Invalid SGL for payload:%d nents:%d\n",
blk_rq_payload_bytes(req), iod->nents);
@@ -760,7 +782,7 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev *dev,
sg_list = dma_pool_alloc(pool, GFP_ATOMIC, &sgl_dma);
if (!sg_list)
- return BLK_STS_RESOURCE;
+ goto free_sgls;
i = 0;
nvme_pci_iod_list(req)[iod->npages++] = sg_list;
@@ -773,6 +795,9 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev *dev,
} while (--entries > 0);
return BLK_STS_OK;
+free_sgls:
+ nvme_free_sgls(dev, req);
+ return BLK_STS_RESOURCE;
}
static blk_status_t nvme_setup_prp_simple(struct nvme_dev *dev,
@@ -841,7 +866,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req,
sg_init_table(iod->sg, blk_rq_nr_phys_segments(req));
iod->nents = blk_rq_map_sg(req->q, req, iod->sg);
if (!iod->nents)
- goto out;
+ goto out_free_sg;
if (is_pci_p2pdma_page(sg_page(iod->sg)))
nr_mapped = pci_p2pdma_map_sg_attrs(dev->dev, iod->sg,
@@ -850,16 +875,21 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req,
nr_mapped = dma_map_sg_attrs(dev->dev, iod->sg, iod->nents,
rq_dma_dir(req), DMA_ATTR_NO_WARN);
if (!nr_mapped)
- goto out;
+ goto out_free_sg;
iod->use_sgl = nvme_pci_use_sgls(dev, req);
if (iod->use_sgl)
ret = nvme_pci_setup_sgls(dev, req, &cmnd->rw, nr_mapped);
else
ret = nvme_pci_setup_prps(dev, req, &cmnd->rw);
-out:
if (ret != BLK_STS_OK)
- nvme_unmap_data(dev, req);
+ goto out_unmap_sg;
+ return BLK_STS_OK;
+
+out_unmap_sg:
+ nvme_unmap_sg(dev, req);
+out_free_sg:
+ mempool_free(iod->sg, dev->iod_mempool);
return ret;
}
@@ -967,6 +997,7 @@ static inline struct blk_mq_tags *nvme_queue_tagset(struct nvme_queue *nvmeq)
static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
{
struct nvme_completion *cqe = &nvmeq->cqes[idx];
+ __u16 command_id = READ_ONCE(cqe->command_id);
struct request *req;
/*
@@ -975,17 +1006,17 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
* aborts. We don't even bother to allocate a struct request
* for them but rather special case them here.
*/
- if (unlikely(nvme_is_aen_req(nvmeq->qid, cqe->command_id))) {
+ if (unlikely(nvme_is_aen_req(nvmeq->qid, command_id))) {
nvme_complete_async_event(&nvmeq->dev->ctrl,
cqe->status, &cqe->result);
return;
}
- req = blk_mq_tag_to_rq(nvme_queue_tagset(nvmeq), cqe->command_id);
+ req = blk_mq_tag_to_rq(nvme_queue_tagset(nvmeq), command_id);
if (unlikely(!req)) {
dev_warn(nvmeq->dev->ctrl.device,
"invalid id %d completed on queue %d\n",
- cqe->command_id, le16_to_cpu(cqe->sq_id));
+ command_id, le16_to_cpu(cqe->sq_id));
return;
}
@@ -1794,6 +1825,9 @@ static void nvme_map_cmb(struct nvme_dev *dev)
if (dev->cmb_size)
return;
+ if (NVME_CAP_CMBS(dev->ctrl.cap))
+ writel(NVME_CMBMSC_CRE, dev->bar + NVME_REG_CMBMSC);
+
dev->cmbsz = readl(dev->bar + NVME_REG_CMBSZ);
if (!dev->cmbsz)
return;
@@ -1808,6 +1842,16 @@ static void nvme_map_cmb(struct nvme_dev *dev)
return;
/*
+ * Tell the controller about the host side address mapping the CMB,
+ * and enable CMB decoding for the NVMe 1.4+ scheme:
+ */
+ if (NVME_CAP_CMBS(dev->ctrl.cap)) {
+ hi_lo_writeq(NVME_CMBMSC_CRE | NVME_CMBMSC_CMSE |
+ (pci_bus_address(pdev, bar) + offset),
+ dev->bar + NVME_REG_CMBMSC);
+ }
+
+ /*
* Controllers may support a CMB size larger than their BAR,
* for example, due to being behind a bridge. Reduce the CMB to
* the reported size of the BAR
@@ -3196,7 +3240,10 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_DEVICE(0x144d, 0xa821), /* Samsung PM1725 */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x144d, 0xa822), /* Samsung PM1725a */
- .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY |
+ NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+ { PCI_DEVICE(0x1987, 0x5016), /* Phison E16 */
+ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_DEVICE(0x1d1d, 0x1f1f), /* LighNVM qemu device */
.driver_data = NVME_QUIRK_LIGHTNVM, },
{ PCI_DEVICE(0x1d1d, 0x2807), /* CNEX WL */
@@ -3212,6 +3259,10 @@ static const struct pci_device_id nvme_id_table[] = {
.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 */
+ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+ { PCI_DEVICE(0x2646, 0x2263), /* KINGSTON A2000 NVMe SSD */
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
.driver_data = NVME_QUIRK_SINGLE_VECTOR },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) },
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index cf6c49d09c82..b7ce4f221d99 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -97,6 +97,7 @@ struct nvme_rdma_queue {
struct completion cm_done;
bool pi_support;
int cq_size;
+ struct mutex queue_lock;
};
struct nvme_rdma_ctrl {
@@ -579,6 +580,7 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl,
int ret;
queue = &ctrl->queues[idx];
+ mutex_init(&queue->queue_lock);
queue->ctrl = ctrl;
if (idx && ctrl->ctrl.max_integrity_segments)
queue->pi_support = true;
@@ -598,7 +600,8 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl,
if (IS_ERR(queue->cm_id)) {
dev_info(ctrl->ctrl.device,
"failed to create CM ID: %ld\n", PTR_ERR(queue->cm_id));
- return PTR_ERR(queue->cm_id);
+ ret = PTR_ERR(queue->cm_id);
+ goto out_destroy_mutex;
}
if (ctrl->ctrl.opts->mask & NVMF_OPT_HOST_TRADDR)
@@ -628,6 +631,8 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl,
out_destroy_cm_id:
rdma_destroy_id(queue->cm_id);
nvme_rdma_destroy_queue_ib(queue);
+out_destroy_mutex:
+ mutex_destroy(&queue->queue_lock);
return ret;
}
@@ -639,9 +644,10 @@ static void __nvme_rdma_stop_queue(struct nvme_rdma_queue *queue)
static void nvme_rdma_stop_queue(struct nvme_rdma_queue *queue)
{
- if (!test_and_clear_bit(NVME_RDMA_Q_LIVE, &queue->flags))
- return;
- __nvme_rdma_stop_queue(queue);
+ mutex_lock(&queue->queue_lock);
+ if (test_and_clear_bit(NVME_RDMA_Q_LIVE, &queue->flags))
+ __nvme_rdma_stop_queue(queue);
+ mutex_unlock(&queue->queue_lock);
}
static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
@@ -651,6 +657,7 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
nvme_rdma_destroy_queue_ib(queue);
rdma_destroy_id(queue->cm_id);
+ mutex_destroy(&queue->queue_lock);
}
static void nvme_rdma_free_io_queues(struct nvme_rdma_ctrl *ctrl)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 1ba659927442..881d28eb15e9 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -76,6 +76,7 @@ struct nvme_tcp_queue {
struct work_struct io_work;
int io_cpu;
+ struct mutex queue_lock;
struct mutex send_mutex;
struct llist_head req_list;
struct list_head send_list;
@@ -201,7 +202,7 @@ static inline size_t nvme_tcp_req_cur_offset(struct nvme_tcp_request *req)
static inline size_t nvme_tcp_req_cur_length(struct nvme_tcp_request *req)
{
- return min_t(size_t, req->iter.bvec->bv_len - req->iter.iov_offset,
+ return min_t(size_t, iov_iter_single_seg_count(&req->iter),
req->pdu_len - req->pdu_sent);
}
@@ -262,6 +263,16 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req,
}
}
+static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue)
+{
+ int ret;
+
+ /* drain the send queue as much as we can... */
+ do {
+ ret = nvme_tcp_try_send(queue);
+ } while (ret > 0);
+}
+
static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
bool sync, bool last)
{
@@ -276,10 +287,10 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
* directly, otherwise queue io_work. Also, only do that if we
* are on the same cpu, so we don't introduce contention.
*/
- if (queue->io_cpu == smp_processor_id() &&
+ if (queue->io_cpu == __smp_processor_id() &&
sync && empty && mutex_trylock(&queue->send_mutex)) {
queue->more_requests = !last;
- nvme_tcp_try_send(queue);
+ nvme_tcp_send_all(queue);
queue->more_requests = false;
mutex_unlock(&queue->send_mutex);
} else if (last) {
@@ -1209,6 +1220,7 @@ static void nvme_tcp_free_queue(struct nvme_ctrl *nctrl, int qid)
sock_release(queue->sock);
kfree(queue->pdu);
+ mutex_destroy(&queue->queue_lock);
}
static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
@@ -1370,6 +1382,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
struct nvme_tcp_queue *queue = &ctrl->queues[qid];
int ret, rcv_pdu_size;
+ mutex_init(&queue->queue_lock);
queue->ctrl = ctrl;
init_llist_head(&queue->req_list);
INIT_LIST_HEAD(&queue->send_list);
@@ -1388,7 +1401,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
if (ret) {
dev_err(nctrl->device,
"failed to create socket: %d\n", ret);
- return ret;
+ goto err_destroy_mutex;
}
/* Single syn retry */
@@ -1497,6 +1510,8 @@ err_crypto:
err_sock:
sock_release(queue->sock);
queue->sock = NULL;
+err_destroy_mutex:
+ mutex_destroy(&queue->queue_lock);
return ret;
}
@@ -1524,9 +1539,10 @@ static void nvme_tcp_stop_queue(struct nvme_ctrl *nctrl, int qid)
struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
struct nvme_tcp_queue *queue = &ctrl->queues[qid];
- if (!test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags))
- return;
- __nvme_tcp_stop_queue(queue);
+ mutex_lock(&queue->queue_lock);
+ if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags))
+ __nvme_tcp_stop_queue(queue);
+ mutex_unlock(&queue->queue_lock);
}
static int nvme_tcp_start_queue(struct nvme_ctrl *nctrl, int idx)
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 8d90235e4fcc..dc1ea468b182 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -487,8 +487,10 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
/* return an all zeroed buffer if we can't find an active namespace */
ns = nvmet_find_namespace(ctrl, req->cmd->identify.nsid);
- if (!ns)
+ if (!ns) {
+ status = NVME_SC_INVALID_NS;
goto done;
+ }
nvmet_ns_revalidate(ns);
@@ -541,7 +543,9 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
id->nsattr |= (1 << 0);
nvmet_put_namespace(ns);
done:
- status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));
+ if (!status)
+ status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));
+
kfree(id);
out:
nvmet_req_complete(req, status);
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 733d9363900e..68213f0a052b 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -1501,7 +1501,8 @@ static ssize_t
fcloop_set_cmd_drop(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- int opcode, starting, amount;
+ unsigned int opcode;
+ int starting, amount;
if (sscanf(buf, "%x:%d:%d", &opcode, &starting, &amount) != 3)
return -EBADRQC;
@@ -1588,8 +1589,8 @@ out_destroy_class:
static void __exit fcloop_exit(void)
{
- struct fcloop_lport *lport;
- struct fcloop_nport *nport;
+ struct fcloop_lport *lport = NULL;
+ struct fcloop_nport *nport = NULL;
struct fcloop_tport *tport;
struct fcloop_rport *rport;
unsigned long flags;
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 5c1e7cb7fe0d..06b6b742bb21 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -1220,6 +1220,14 @@ nvmet_rdma_find_get_device(struct rdma_cm_id *cm_id)
}
ndev->inline_data_size = nport->inline_data_size;
ndev->inline_page_count = inline_page_count;
+
+ if (nport->pi_enable && !(cm_id->device->attrs.device_cap_flags &
+ IB_DEVICE_INTEGRITY_HANDOVER)) {
+ pr_warn("T10-PI is not supported by device %s. Disabling it\n",
+ cm_id->device->name);
+ nport->pi_enable = false;
+ }
+
ndev->device = cm_id->device;
kref_init(&ndev->ref);
@@ -1641,6 +1649,16 @@ static void __nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue)
spin_lock_irqsave(&queue->state_lock, flags);
switch (queue->state) {
case NVMET_RDMA_Q_CONNECTING:
+ while (!list_empty(&queue->rsp_wait_list)) {
+ struct nvmet_rdma_rsp *rsp;
+
+ rsp = list_first_entry(&queue->rsp_wait_list,
+ struct nvmet_rdma_rsp,
+ wait_list);
+ list_del(&rsp->wait_list);
+ nvmet_rdma_put_rsp(rsp);
+ }
+ fallthrough;
case NVMET_RDMA_Q_LIVE:
queue->state = NVMET_RDMA_Q_DISCONNECTING;
disconnect = true;
@@ -1845,14 +1863,6 @@ static int nvmet_rdma_enable_port(struct nvmet_rdma_port *port)
goto out_destroy_id;
}
- if (port->nport->pi_enable &&
- !(cm_id->device->attrs.device_cap_flags &
- IB_DEVICE_INTEGRITY_HANDOVER)) {
- pr_err("T10-PI is not supported for %pISpcs\n", addr);
- ret = -EINVAL;
- goto out_destroy_id;
- }
-
port->cm_id = cm_id;
return 0;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index dc1f0f647189..aacf06f0b431 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -305,7 +305,7 @@ static void nvmet_tcp_map_pdu_iovec(struct nvmet_tcp_cmd *cmd)
length = cmd->pdu_len;
cmd->nr_mapped = DIV_ROUND_UP(length, PAGE_SIZE);
offset = cmd->rbytes_done;
- cmd->sg_idx = DIV_ROUND_UP(offset, PAGE_SIZE);
+ cmd->sg_idx = offset / PAGE_SIZE;
sg_offset = offset % PAGE_SIZE;
sg = &cmd->req.sg[cmd->sg_idx];
@@ -318,6 +318,7 @@ static void nvmet_tcp_map_pdu_iovec(struct nvmet_tcp_cmd *cmd)
length -= iov_len;
sg = sg_next(sg);
iov++;
+ sg_offset = 0;
}
iov_iter_kvec(&cmd->recv_msg.msg_iter, READ, cmd->iov,
generated by cgit (git 2.34.1) at 2024-05-20 15:45:15 +0000