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-rw-r--r--drivers/infiniband/core/cache.c2
-rw-r--r--drivers/infiniband/hw/bnxt_re/main.c55
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_fp.c94
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_fp.h3
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_rcfw.c61
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_rcfw.h3
-rw-r--r--drivers/infiniband/ulp/srpt/Kconfig2
-rw-r--r--drivers/nvme/host/Kconfig2
-rw-r--r--drivers/nvme/target/Kconfig2
-rw-r--r--drivers/staging/lustre/lnet/Kconfig2
10 files changed, 168 insertions, 58 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index fb2d347f760f..ecc55e98ddd3 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -502,7 +502,7 @@ static int __ib_cache_gid_get(struct ib_device *ib_dev, u8 port, int index,
return -EINVAL;
if (table->data_vec[index].props & GID_TABLE_ENTRY_INVALID)
- return -EAGAIN;
+ return -EINVAL;
memcpy(gid, &table->data_vec[index].gid, sizeof(*gid));
if (attr) {
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index f6c739ec8b62..20b9f31052bf 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -185,12 +185,65 @@ static void bnxt_re_shutdown(void *p)
bnxt_re_ib_unreg(rdev, false);
}
+static void bnxt_re_stop_irq(void *handle)
+{
+ struct bnxt_re_dev *rdev = (struct bnxt_re_dev *)handle;
+ struct bnxt_qplib_rcfw *rcfw = &rdev->rcfw;
+ struct bnxt_qplib_nq *nq;
+ int indx;
+
+ for (indx = BNXT_RE_NQ_IDX; indx < rdev->num_msix; indx++) {
+ nq = &rdev->nq[indx - 1];
+ bnxt_qplib_nq_stop_irq(nq, false);
+ }
+
+ bnxt_qplib_rcfw_stop_irq(rcfw, false);
+}
+
+static void bnxt_re_start_irq(void *handle, struct bnxt_msix_entry *ent)
+{
+ struct bnxt_re_dev *rdev = (struct bnxt_re_dev *)handle;
+ struct bnxt_msix_entry *msix_ent = rdev->msix_entries;
+ struct bnxt_qplib_rcfw *rcfw = &rdev->rcfw;
+ struct bnxt_qplib_nq *nq;
+ int indx, rc;
+
+ if (!ent) {
+ /* Not setting the f/w timeout bit in rcfw.
+ * During the driver unload the first command
+ * to f/w will timeout and that will set the
+ * timeout bit.
+ */
+ dev_err(rdev_to_dev(rdev), "Failed to re-start IRQs\n");
+ return;
+ }
+
+ /* Vectors may change after restart, so update with new vectors
+ * in device sctructure.
+ */
+ for (indx = 0; indx < rdev->num_msix; indx++)
+ rdev->msix_entries[indx].vector = ent[indx].vector;
+
+ bnxt_qplib_rcfw_start_irq(rcfw, msix_ent[BNXT_RE_AEQ_IDX].vector,
+ false);
+ for (indx = BNXT_RE_NQ_IDX ; indx < rdev->num_msix; indx++) {
+ nq = &rdev->nq[indx - 1];
+ rc = bnxt_qplib_nq_start_irq(nq, indx - 1,
+ msix_ent[indx].vector, false);
+ if (rc)
+ dev_warn(rdev_to_dev(rdev),
+ "Failed to reinit NQ index %d\n", indx - 1);
+ }
+}
+
static struct bnxt_ulp_ops bnxt_re_ulp_ops = {
.ulp_async_notifier = NULL,
.ulp_stop = bnxt_re_stop,
.ulp_start = bnxt_re_start,
.ulp_sriov_config = bnxt_re_sriov_config,
- .ulp_shutdown = bnxt_re_shutdown
+ .ulp_shutdown = bnxt_re_shutdown,
+ .ulp_irq_stop = bnxt_re_stop_irq,
+ .ulp_irq_restart = bnxt_re_start_irq
};
/* RoCE -> Net driver */
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 3a78faba8d91..50d8f1fc98d5 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -336,22 +336,32 @@ static irqreturn_t bnxt_qplib_nq_irq(int irq, void *dev_instance)
return IRQ_HANDLED;
}
+void bnxt_qplib_nq_stop_irq(struct bnxt_qplib_nq *nq, bool kill)
+{
+ tasklet_disable(&nq->worker);
+ /* Mask h/w interrupt */
+ NQ_DB(nq->bar_reg_iomem, nq->hwq.cons, nq->hwq.max_elements);
+ /* Sync with last running IRQ handler */
+ synchronize_irq(nq->vector);
+ if (kill)
+ tasklet_kill(&nq->worker);
+ if (nq->requested) {
+ irq_set_affinity_hint(nq->vector, NULL);
+ free_irq(nq->vector, nq);
+ nq->requested = false;
+ }
+}
+
void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq)
{
if (nq->cqn_wq) {
destroy_workqueue(nq->cqn_wq);
nq->cqn_wq = NULL;
}
+
/* Make sure the HW is stopped! */
- synchronize_irq(nq->vector);
- tasklet_disable(&nq->worker);
- tasklet_kill(&nq->worker);
+ bnxt_qplib_nq_stop_irq(nq, true);
- if (nq->requested) {
- irq_set_affinity_hint(nq->vector, NULL);
- free_irq(nq->vector, nq);
- nq->requested = false;
- }
if (nq->bar_reg_iomem)
iounmap(nq->bar_reg_iomem);
nq->bar_reg_iomem = NULL;
@@ -361,6 +371,40 @@ void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq)
nq->vector = 0;
}
+int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int nq_indx,
+ int msix_vector, bool need_init)
+{
+ int rc;
+
+ if (nq->requested)
+ return -EFAULT;
+
+ nq->vector = msix_vector;
+ if (need_init)
+ tasklet_init(&nq->worker, bnxt_qplib_service_nq,
+ (unsigned long)nq);
+ else
+ tasklet_enable(&nq->worker);
+
+ snprintf(nq->name, sizeof(nq->name), "bnxt_qplib_nq-%d", nq_indx);
+ rc = request_irq(nq->vector, bnxt_qplib_nq_irq, 0, nq->name, nq);
+ if (rc)
+ return rc;
+
+ cpumask_clear(&nq->mask);
+ cpumask_set_cpu(nq_indx, &nq->mask);
+ rc = irq_set_affinity_hint(nq->vector, &nq->mask);
+ if (rc) {
+ dev_warn(&nq->pdev->dev,
+ "QPLIB: set affinity failed; vector: %d nq_idx: %d\n",
+ nq->vector, nq_indx);
+ }
+ nq->requested = true;
+ NQ_DB_REARM(nq->bar_reg_iomem, nq->hwq.cons, nq->hwq.max_elements);
+
+ return rc;
+}
+
int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq,
int nq_idx, int msix_vector, int bar_reg_offset,
int (*cqn_handler)(struct bnxt_qplib_nq *nq,
@@ -372,41 +416,17 @@ int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq,
resource_size_t nq_base;
int rc = -1;
- nq->pdev = pdev;
- nq->vector = msix_vector;
if (cqn_handler)
nq->cqn_handler = cqn_handler;
if (srqn_handler)
nq->srqn_handler = srqn_handler;
- tasklet_init(&nq->worker, bnxt_qplib_service_nq, (unsigned long)nq);
-
/* Have a task to schedule CQ notifiers in post send case */
nq->cqn_wq = create_singlethread_workqueue("bnxt_qplib_nq");
if (!nq->cqn_wq)
- goto fail;
-
- nq->requested = false;
- memset(nq->name, 0, 32);
- sprintf(nq->name, "bnxt_qplib_nq-%d", nq_idx);
- rc = request_irq(nq->vector, bnxt_qplib_nq_irq, 0, nq->name, nq);
- if (rc) {
- dev_err(&nq->pdev->dev,
- "Failed to request IRQ for NQ: %#x", rc);
- goto fail;
- }
-
- cpumask_clear(&nq->mask);
- cpumask_set_cpu(nq_idx, &nq->mask);
- rc = irq_set_affinity_hint(nq->vector, &nq->mask);
- if (rc) {
- dev_warn(&nq->pdev->dev,
- "QPLIB: set affinity failed; vector: %d nq_idx: %d\n",
- nq->vector, nq_idx);
- }
+ return -ENOMEM;
- nq->requested = true;
nq->bar_reg = NQ_CONS_PCI_BAR_REGION;
nq->bar_reg_off = bar_reg_offset;
nq_base = pci_resource_start(pdev, nq->bar_reg);
@@ -419,7 +439,13 @@ int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq,
rc = -ENOMEM;
goto fail;
}
- NQ_DB_REARM(nq->bar_reg_iomem, nq->hwq.cons, nq->hwq.max_elements);
+
+ rc = bnxt_qplib_nq_start_irq(nq, nq_idx, msix_vector, true);
+ if (rc) {
+ dev_err(&nq->pdev->dev,
+ "QPLIB: Failed to request irq for nq-idx %d", nq_idx);
+ goto fail;
+ }
return 0;
fail:
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index ade9f13c0fd1..72352ca80ace 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -467,7 +467,10 @@ struct bnxt_qplib_nq_work {
struct bnxt_qplib_cq *cq;
};
+void bnxt_qplib_nq_stop_irq(struct bnxt_qplib_nq *nq, bool kill);
void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq);
+int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int nq_indx,
+ int msix_vector, bool need_init);
int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq,
int nq_idx, int msix_vector, int bar_reg_offset,
int (*cqn_handler)(struct bnxt_qplib_nq *nq,
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 80027a494730..2852d350ada1 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -582,19 +582,29 @@ fail:
return -ENOMEM;
}
-void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
+void bnxt_qplib_rcfw_stop_irq(struct bnxt_qplib_rcfw *rcfw, bool kill)
{
- unsigned long indx;
-
- /* Make sure the HW channel is stopped! */
- synchronize_irq(rcfw->vector);
tasklet_disable(&rcfw->worker);
- tasklet_kill(&rcfw->worker);
+ /* Mask h/w interrupts */
+ CREQ_DB(rcfw->creq_bar_reg_iomem, rcfw->creq.cons,
+ rcfw->creq.max_elements);
+ /* Sync with last running IRQ-handler */
+ synchronize_irq(rcfw->vector);
+ if (kill)
+ tasklet_kill(&rcfw->worker);
if (rcfw->requested) {
free_irq(rcfw->vector, rcfw);
rcfw->requested = false;
}
+}
+
+void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
+{
+ unsigned long indx;
+
+ bnxt_qplib_rcfw_stop_irq(rcfw, true);
+
if (rcfw->cmdq_bar_reg_iomem)
iounmap(rcfw->cmdq_bar_reg_iomem);
rcfw->cmdq_bar_reg_iomem = NULL;
@@ -614,6 +624,31 @@ void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
rcfw->vector = 0;
}
+int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, int msix_vector,
+ bool need_init)
+{
+ int rc;
+
+ if (rcfw->requested)
+ return -EFAULT;
+
+ rcfw->vector = msix_vector;
+ if (need_init)
+ tasklet_init(&rcfw->worker,
+ bnxt_qplib_service_creq, (unsigned long)rcfw);
+ else
+ tasklet_enable(&rcfw->worker);
+ rc = request_irq(rcfw->vector, bnxt_qplib_creq_irq, 0,
+ "bnxt_qplib_creq", rcfw);
+ if (rc)
+ return rc;
+ rcfw->requested = true;
+ CREQ_DB_REARM(rcfw->creq_bar_reg_iomem, rcfw->creq.cons,
+ rcfw->creq.max_elements);
+
+ return 0;
+}
+
int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
struct bnxt_qplib_rcfw *rcfw,
int msix_vector,
@@ -675,27 +710,17 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
rcfw->creq_qp_event_processed = 0;
rcfw->creq_func_event_processed = 0;
- rcfw->vector = msix_vector;
if (aeq_handler)
rcfw->aeq_handler = aeq_handler;
+ init_waitqueue_head(&rcfw->waitq);
- tasklet_init(&rcfw->worker, bnxt_qplib_service_creq,
- (unsigned long)rcfw);
-
- rcfw->requested = false;
- rc = request_irq(rcfw->vector, bnxt_qplib_creq_irq, 0,
- "bnxt_qplib_creq", rcfw);
+ rc = bnxt_qplib_rcfw_start_irq(rcfw, msix_vector, true);
if (rc) {
dev_err(&rcfw->pdev->dev,
"QPLIB: Failed to request IRQ for CREQ rc = 0x%x", rc);
bnxt_qplib_disable_rcfw_channel(rcfw);
return rc;
}
- rcfw->requested = true;
-
- init_waitqueue_head(&rcfw->waitq);
-
- CREQ_DB_REARM(rcfw->creq_bar_reg_iomem, 0, rcfw->creq.max_elements);
init.cmdq_pbl = cpu_to_le64(rcfw->cmdq.pbl[PBL_LVL_0].pg_map_arr[0]);
init.cmdq_size_cmdq_lvl = cpu_to_le16(
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index c7cce2e4185e..46416dfe8830 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -195,7 +195,10 @@ struct bnxt_qplib_rcfw {
void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw);
int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev,
struct bnxt_qplib_rcfw *rcfw, int qp_tbl_sz);
+void bnxt_qplib_rcfw_stop_irq(struct bnxt_qplib_rcfw *rcfw, bool kill);
void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw);
+int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, int msix_vector,
+ bool need_init);
int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
struct bnxt_qplib_rcfw *rcfw,
int msix_vector,
diff --git a/drivers/infiniband/ulp/srpt/Kconfig b/drivers/infiniband/ulp/srpt/Kconfig
index 25bf6955b6d0..fb8b7182f05e 100644
--- a/drivers/infiniband/ulp/srpt/Kconfig
+++ b/drivers/infiniband/ulp/srpt/Kconfig
@@ -1,6 +1,6 @@
config INFINIBAND_SRPT
tristate "InfiniBand SCSI RDMA Protocol target support"
- depends on INFINIBAND_ADDR_TRANS && TARGET_CORE
+ depends on INFINIBAND && INFINIBAND_ADDR_TRANS && TARGET_CORE
---help---
Support for the SCSI RDMA Protocol (SRP) Target driver. The
diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
index dbb7464c018c..88a8b5916624 100644
--- a/drivers/nvme/host/Kconfig
+++ b/drivers/nvme/host/Kconfig
@@ -27,7 +27,7 @@ config NVME_FABRICS
config NVME_RDMA
tristate "NVM Express over Fabrics RDMA host driver"
- depends on INFINIBAND_ADDR_TRANS && BLOCK
+ depends on INFINIBAND && INFINIBAND_ADDR_TRANS && BLOCK
select NVME_CORE
select NVME_FABRICS
select SG_POOL
diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig
index 7595664ee753..3c7b61ddb0d1 100644
--- a/drivers/nvme/target/Kconfig
+++ b/drivers/nvme/target/Kconfig
@@ -27,7 +27,7 @@ config NVME_TARGET_LOOP
config NVME_TARGET_RDMA
tristate "NVMe over Fabrics RDMA target support"
- depends on INFINIBAND_ADDR_TRANS
+ depends on INFINIBAND && INFINIBAND_ADDR_TRANS
depends on NVME_TARGET
select SGL_ALLOC
help
diff --git a/drivers/staging/lustre/lnet/Kconfig b/drivers/staging/lustre/lnet/Kconfig
index f3b1ad4bd3dc..ad049e6f24e4 100644
--- a/drivers/staging/lustre/lnet/Kconfig
+++ b/drivers/staging/lustre/lnet/Kconfig
@@ -34,7 +34,7 @@ config LNET_SELFTEST
config LNET_XPRT_IB
tristate "LNET infiniband support"
- depends on LNET && PCI && INFINIBAND_ADDR_TRANS
+ depends on LNET && PCI && INFINIBAND && INFINIBAND_ADDR_TRANS
default LNET && INFINIBAND
help
This option allows the LNET users to use infiniband as an
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 13:20:05 +0000