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-rw-r--r--drivers/infiniband/hw/mlx5/main.c2
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c12
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c55
-rw-r--r--include/linux/mlx5/device.h1
-rw-r--r--include/linux/mlx5/qp.h1
6 files changed, 46 insertions, 33 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index fa6dc870adae..364d4b6937f5 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -282,6 +282,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
props->sig_guard_cap = IB_GUARD_T10DIF_CRC |
IB_GUARD_T10DIF_CSUM;
}
+ if (flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)
+ props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
props->vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) &
0xffffff;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index ae788d27b93f..dc930ed21eca 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -807,6 +807,15 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
spin_lock_init(&qp->sq.lock);
spin_lock_init(&qp->rq.lock);
+ if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
+ if (!(dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)) {
+ mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n");
+ return -EINVAL;
+ } else {
+ qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK;
+ }
+ }
+
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
@@ -878,6 +887,9 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (qp->wq_sig)
in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG);
+ if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK)
+ in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST);
+
if (qp->scat_cqe && is_connected(init_attr->qp_type)) {
int rcqe_sz;
int scqe_sz;
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 87897b95666d..ded76c101dde 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -858,13 +858,9 @@ static int mthca_enable_msi_x(struct mthca_dev *mdev)
entries[1].entry = 1;
entries[2].entry = 2;
- err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
- if (err) {
- if (err > 0)
- mthca_info(mdev, "Only %d MSI-X vectors available, "
- "not using MSI-X\n", err);
+ err = pci_enable_msix_exact(mdev->pdev, entries, ARRAY_SIZE(entries));
+ if (err)
return err;
- }
mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index c8d9c4ab142b..61a0046efb76 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -197,46 +197,47 @@ static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
struct qib_msix_entry *qib_msix_entry)
{
int ret;
- u32 tabsize = 0;
- u16 msix_flags;
+ int nvec = *msixcnt;
struct msix_entry *msix_entry;
int i;
+ ret = pci_msix_vec_count(dd->pcidev);
+ if (ret < 0)
+ goto do_intx;
+
+ nvec = min(nvec, ret);
+
/* We can't pass qib_msix_entry array to qib_msix_setup
* so use a dummy msix_entry array and copy the allocated
* irq back to the qib_msix_entry array. */
- msix_entry = kmalloc(*msixcnt * sizeof(*msix_entry), GFP_KERNEL);
- if (!msix_entry) {
- ret = -ENOMEM;
+ msix_entry = kmalloc(nvec * sizeof(*msix_entry), GFP_KERNEL);
+ if (!msix_entry)
goto do_intx;
- }
- for (i = 0; i < *msixcnt; i++)
+
+ for (i = 0; i < nvec; i++)
msix_entry[i] = qib_msix_entry[i].msix;
- pci_read_config_word(dd->pcidev, pos + PCI_MSIX_FLAGS, &msix_flags);
- tabsize = 1 + (msix_flags & PCI_MSIX_FLAGS_QSIZE);
- if (tabsize > *msixcnt)
- tabsize = *msixcnt;
- ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
- if (ret > 0) {
- tabsize = ret;
- ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
- }
-do_intx:
- if (ret) {
- qib_dev_err(dd,
- "pci_enable_msix %d vectors failed: %d, falling back to INTx\n",
- tabsize, ret);
- tabsize = 0;
- }
- for (i = 0; i < tabsize; i++)
+ ret = pci_enable_msix_range(dd->pcidev, msix_entry, 1, nvec);
+ if (ret < 0)
+ goto free_msix_entry;
+ else
+ nvec = ret;
+
+ for (i = 0; i < nvec; i++)
qib_msix_entry[i].msix = msix_entry[i];
+
kfree(msix_entry);
- *msixcnt = tabsize;
+ *msixcnt = nvec;
+ return;
- if (ret)
- qib_enable_intx(dd->pcidev);
+free_msix_entry:
+ kfree(msix_entry);
+do_intx:
+ qib_dev_err(dd, "pci_enable_msix_range %d vectors failed: %d, "
+ "falling back to INTx\n", nvec, ret);
+ *msixcnt = 0;
+ qib_enable_intx(dd->pcidev);
}
/**
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 407bdb67fd4f..3406cfb1267a 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -179,6 +179,7 @@ enum {
MLX5_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
MLX5_DEV_CAP_FLAG_APM = 1LL << 17,
MLX5_DEV_CAP_FLAG_ATOMIC = 1LL << 18,
+ MLX5_DEV_CAP_FLAG_BLOCK_MCAST = 1LL << 23,
MLX5_DEV_CAP_FLAG_ON_DMND_PG = 1LL << 24,
MLX5_DEV_CAP_FLAG_CQ_MODER = 1LL << 29,
MLX5_DEV_CAP_FLAG_RESIZE_CQ = 1LL << 30,
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index f829ad80ff28..9709b30e2d69 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -146,6 +146,7 @@ enum {
enum {
MLX5_QP_LAT_SENSITIVE = 1 << 28,
+ MLX5_QP_BLOCK_MCAST = 1 << 30,
MLX5_QP_ENABLE_SIG = 1 << 31,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 00:31:57 +0000