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Diffstat (limited to 'drivers/infiniband/hw/mlx4')
-rw-r--r--drivers/infiniband/hw/mlx4/ah.c2
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c6
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c40
-rw-r--r--drivers/infiniband/hw/mlx4/main.c26
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h1
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c102
-rw-r--r--drivers/infiniband/hw/mlx4/srq.c7
-rw-r--r--drivers/infiniband/hw/mlx4/sysfs.c105
8 files changed, 221 insertions, 68 deletions
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 170dca608042..2d8c3397774f 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -73,7 +73,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
{
struct mlx4_ib_dev *ibdev = to_mdev(pd->device);
struct mlx4_dev *dev = ibdev->dev;
- int is_mcast;
+ int is_mcast = 0;
struct in6_addr in6;
u16 vlan_tag;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 5f640814cc81..1066eec854a9 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -102,7 +102,7 @@ static int mlx4_ib_alloc_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf *
int err;
err = mlx4_buf_alloc(dev->dev, nent * dev->dev->caps.cqe_size,
- PAGE_SIZE * 2, &buf->buf);
+ PAGE_SIZE * 2, &buf->buf, GFP_KERNEL);
if (err)
goto out;
@@ -113,7 +113,7 @@ static int mlx4_ib_alloc_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf *
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf);
+ err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf, GFP_KERNEL);
if (err)
goto err_mtt;
@@ -209,7 +209,7 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector
uar = &to_mucontext(context)->uar;
} else {
- err = mlx4_db_alloc(dev->dev, &cq->db, 1);
+ err = mlx4_db_alloc(dev->dev, &cq->db, 1, GFP_KERNEL);
if (err)
goto err_cq;
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index fd36ec672632..287ad0564acd 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -478,10 +478,6 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
if (!tun_ctx || tun_ctx->state != DEMUX_PV_STATE_ACTIVE)
return -EAGAIN;
- /* QP0 forwarding only for Dom0 */
- if (!dest_qpt && (mlx4_master_func_num(dev->dev) != slave))
- return -EINVAL;
-
if (!dest_qpt)
tun_qp = &tun_ctx->qp[0];
else
@@ -667,6 +663,21 @@ static int mlx4_ib_demux_mad(struct ib_device *ibdev, u8 port,
}
/* Class-specific handling */
switch (mad->mad_hdr.mgmt_class) {
+ case IB_MGMT_CLASS_SUBN_LID_ROUTED:
+ case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
+ /* 255 indicates the dom0 */
+ if (slave != 255 && slave != mlx4_master_func_num(dev->dev)) {
+ if (!mlx4_vf_smi_enabled(dev->dev, slave, port))
+ return -EPERM;
+ /* for a VF. drop unsolicited MADs */
+ if (!(mad->mad_hdr.method & IB_MGMT_METHOD_RESP)) {
+ mlx4_ib_warn(ibdev, "demux QP0. rejecting unsolicited mad for slave %d class 0x%x, method 0x%x\n",
+ slave, mad->mad_hdr.mgmt_class,
+ mad->mad_hdr.method);
+ return -EINVAL;
+ }
+ }
+ break;
case IB_MGMT_CLASS_SUBN_ADM:
if (mlx4_ib_demux_sa_handler(ibdev, port, slave,
(struct ib_sa_mad *) mad))
@@ -1165,10 +1176,6 @@ int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
if (!sqp_ctx || sqp_ctx->state != DEMUX_PV_STATE_ACTIVE)
return -EAGAIN;
- /* QP0 forwarding only for Dom0 */
- if (dest_qpt == IB_QPT_SMI && (mlx4_master_func_num(dev->dev) != slave))
- return -EINVAL;
-
if (dest_qpt == IB_QPT_SMI) {
src_qpnum = 0;
sqp = &sqp_ctx->qp[0];
@@ -1285,11 +1292,6 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
"belongs to another slave\n", wc->src_qp);
return;
}
- if (slave != mlx4_master_func_num(dev->dev) && !(wc->src_qp & 0x2)) {
- mlx4_ib_warn(ctx->ib_dev, "can't multiplex bad sqp:%d: "
- "non-master trying to send QP0 packets\n", wc->src_qp);
- return;
- }
/* Map transaction ID */
ib_dma_sync_single_for_cpu(ctx->ib_dev, tun_qp->ring[wr_ix].map,
@@ -1317,6 +1319,12 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
/* Class-specific handling */
switch (tunnel->mad.mad_hdr.mgmt_class) {
+ case IB_MGMT_CLASS_SUBN_LID_ROUTED:
+ case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
+ if (slave != mlx4_master_func_num(dev->dev) &&
+ !mlx4_vf_smi_enabled(dev->dev, slave, ctx->port))
+ return;
+ break;
case IB_MGMT_CLASS_SUBN_ADM:
if (mlx4_ib_multiplex_sa_handler(ctx->ib_dev, ctx->port, slave,
(struct ib_sa_mad *) &tunnel->mad))
@@ -1749,9 +1757,9 @@ static int create_pv_resources(struct ib_device *ibdev, int slave, int port,
return -EEXIST;
ctx->state = DEMUX_PV_STATE_STARTING;
- /* have QP0 only on port owner, and only if link layer is IB */
- if (ctx->slave == mlx4_master_func_num(to_mdev(ctx->ib_dev)->dev) &&
- rdma_port_get_link_layer(ibdev, ctx->port) == IB_LINK_LAYER_INFINIBAND)
+ /* have QP0 only if link layer is IB */
+ if (rdma_port_get_link_layer(ibdev, ctx->port) ==
+ IB_LINK_LAYER_INFINIBAND)
ctx->has_smi = 1;
if (ctx->has_smi) {
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 199c7896f081..0f7027e7db13 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -545,12 +545,11 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
return 0;
}
-static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
- u32 cap_mask)
+static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
+ u32 cap_mask)
{
struct mlx4_cmd_mailbox *mailbox;
int err;
- u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
if (IS_ERR(mailbox))
@@ -564,8 +563,8 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
}
- err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
- MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
+ err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
+ MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
mlx4_free_cmd_mailbox(dev->dev, mailbox);
return err;
@@ -574,11 +573,20 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
struct ib_port_modify *props)
{
+ struct mlx4_ib_dev *mdev = to_mdev(ibdev);
+ u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
struct ib_port_attr attr;
u32 cap_mask;
int err;
- mutex_lock(&to_mdev(ibdev)->cap_mask_mutex);
+ /* return OK if this is RoCE. CM calls ib_modify_port() regardless
+ * of whether port link layer is ETH or IB. For ETH ports, qkey
+ * violations and port capabilities are not meaningful.
+ */
+ if (is_eth)
+ return 0;
+
+ mutex_lock(&mdev->cap_mask_mutex);
err = mlx4_ib_query_port(ibdev, port, &attr);
if (err)
@@ -587,9 +595,9 @@ static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
~props->clr_port_cap_mask;
- err = mlx4_SET_PORT(to_mdev(ibdev), port,
- !!(mask & IB_PORT_RESET_QKEY_CNTR),
- cap_mask);
+ err = mlx4_ib_SET_PORT(mdev, port,
+ !!(mask & IB_PORT_RESET_QKEY_CNTR),
+ cap_mask);
out:
mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 66b0b7dbd9f4..369da3ca5d64 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -156,6 +156,7 @@ enum mlx4_ib_qp_flags {
MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
+ MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
MLX4_IB_SRIOV_SQP = 1 << 31,
};
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index dc57482ae7af..67780452f0cf 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -608,9 +608,20 @@ static int qp_has_rq(struct ib_qp_init_attr *attr)
return !attr->srq;
}
+static int qp0_enabled_vf(struct mlx4_dev *dev, int qpn)
+{
+ int i;
+ for (i = 0; i < dev->caps.num_ports; i++) {
+ if (qpn == dev->caps.qp0_proxy[i])
+ return !!dev->caps.qp0_qkey[i];
+ }
+ return 0;
+}
+
static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
- struct ib_udata *udata, int sqpn, struct mlx4_ib_qp **caller_qp)
+ struct ib_udata *udata, int sqpn, struct mlx4_ib_qp **caller_qp,
+ gfp_t gfp)
{
int qpn;
int err;
@@ -625,10 +636,13 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
!(init_attr->create_flags & MLX4_IB_SRIOV_SQP))) {
if (init_attr->qp_type == IB_QPT_GSI)
qp_type = MLX4_IB_QPT_PROXY_GSI;
- else if (mlx4_is_master(dev->dev))
- qp_type = MLX4_IB_QPT_PROXY_SMI_OWNER;
- else
- qp_type = MLX4_IB_QPT_PROXY_SMI;
+ else {
+ if (mlx4_is_master(dev->dev) ||
+ qp0_enabled_vf(dev->dev, sqpn))
+ qp_type = MLX4_IB_QPT_PROXY_SMI_OWNER;
+ else
+ qp_type = MLX4_IB_QPT_PROXY_SMI;
+ }
}
qpn = sqpn;
/* add extra sg entry for tunneling */
@@ -643,7 +657,9 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
return -EINVAL;
if (tnl_init->proxy_qp_type == IB_QPT_GSI)
qp_type = MLX4_IB_QPT_TUN_GSI;
- else if (tnl_init->slave == mlx4_master_func_num(dev->dev))
+ else if (tnl_init->slave == mlx4_master_func_num(dev->dev) ||
+ mlx4_vf_smi_enabled(dev->dev, tnl_init->slave,
+ tnl_init->port))
qp_type = MLX4_IB_QPT_TUN_SMI_OWNER;
else
qp_type = MLX4_IB_QPT_TUN_SMI;
@@ -658,14 +674,14 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
if (qp_type == MLX4_IB_QPT_SMI || qp_type == MLX4_IB_QPT_GSI ||
(qp_type & (MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_SMI_OWNER |
MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER))) {
- sqp = kzalloc(sizeof (struct mlx4_ib_sqp), GFP_KERNEL);
+ sqp = kzalloc(sizeof (struct mlx4_ib_sqp), gfp);
if (!sqp)
return -ENOMEM;
qp = &sqp->qp;
qp->pri.vid = 0xFFFF;
qp->alt.vid = 0xFFFF;
} else {
- qp = kzalloc(sizeof (struct mlx4_ib_qp), GFP_KERNEL);
+ qp = kzalloc(sizeof (struct mlx4_ib_qp), gfp);
if (!qp)
return -ENOMEM;
qp->pri.vid = 0xFFFF;
@@ -748,14 +764,14 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
goto err;
if (qp_has_rq(init_attr)) {
- err = mlx4_db_alloc(dev->dev, &qp->db, 0);
+ err = mlx4_db_alloc(dev->dev, &qp->db, 0, gfp);
if (err)
goto err;
*qp->db.db = 0;
}
- if (mlx4_buf_alloc(dev->dev, qp->buf_size, PAGE_SIZE * 2, &qp->buf)) {
+ if (mlx4_buf_alloc(dev->dev, qp->buf_size, PAGE_SIZE * 2, &qp->buf, gfp)) {
err = -ENOMEM;
goto err_db;
}
@@ -765,13 +781,12 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf);
+ err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf, gfp);
if (err)
goto err_mtt;
- qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof (u64), GFP_KERNEL);
- qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof (u64), GFP_KERNEL);
-
+ qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof (u64), gfp);
+ qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof (u64), gfp);
if (!qp->sq.wrid || !qp->rq.wrid) {
err = -ENOMEM;
goto err_wrid;
@@ -801,7 +816,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
goto err_proxy;
}
- err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp);
+ err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp, gfp);
if (err)
goto err_qpn;
@@ -1040,7 +1055,10 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
struct mlx4_ib_qp *qp = NULL;
int err;
u16 xrcdn = 0;
+ gfp_t gfp;
+ gfp = (init_attr->create_flags & MLX4_IB_QP_CREATE_USE_GFP_NOIO) ?
+ GFP_NOIO : GFP_KERNEL;
/*
* We only support LSO, vendor flag1, and multicast loopback blocking,
* and only for kernel UD QPs.
@@ -1049,7 +1067,8 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK |
MLX4_IB_SRIOV_TUNNEL_QP |
MLX4_IB_SRIOV_SQP |
- MLX4_IB_QP_NETIF))
+ MLX4_IB_QP_NETIF |
+ MLX4_IB_QP_CREATE_USE_GFP_NOIO))
return ERR_PTR(-EINVAL);
if (init_attr->create_flags & IB_QP_CREATE_NETIF_QP) {
@@ -1059,7 +1078,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
if (init_attr->create_flags &&
(udata ||
- ((init_attr->create_flags & ~MLX4_IB_SRIOV_SQP) &&
+ ((init_attr->create_flags & ~(MLX4_IB_SRIOV_SQP | MLX4_IB_QP_CREATE_USE_GFP_NOIO)) &&
init_attr->qp_type != IB_QPT_UD) ||
((init_attr->create_flags & MLX4_IB_SRIOV_SQP) &&
init_attr->qp_type > IB_QPT_GSI)))
@@ -1079,7 +1098,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
case IB_QPT_RC:
case IB_QPT_UC:
case IB_QPT_RAW_PACKET:
- qp = kzalloc(sizeof *qp, GFP_KERNEL);
+ qp = kzalloc(sizeof *qp, gfp);
if (!qp)
return ERR_PTR(-ENOMEM);
qp->pri.vid = 0xFFFF;
@@ -1088,7 +1107,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
case IB_QPT_UD:
{
err = create_qp_common(to_mdev(pd->device), pd, init_attr,
- udata, 0, &qp);
+ udata, 0, &qp, gfp);
if (err)
return ERR_PTR(err);
@@ -1106,7 +1125,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
err = create_qp_common(to_mdev(pd->device), pd, init_attr, udata,
get_sqp_num(to_mdev(pd->device), init_attr),
- &qp);
+ &qp, gfp);
if (err)
return ERR_PTR(err);
@@ -1938,6 +1957,19 @@ out:
return err;
}
+static int vf_get_qp0_qkey(struct mlx4_dev *dev, int qpn, u32 *qkey)
+{
+ int i;
+ for (i = 0; i < dev->caps.num_ports; i++) {
+ if (qpn == dev->caps.qp0_proxy[i] ||
+ qpn == dev->caps.qp0_tunnel[i]) {
+ *qkey = dev->caps.qp0_qkey[i];
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
struct ib_send_wr *wr,
void *wqe, unsigned *mlx_seg_len)
@@ -1995,8 +2027,13 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
cpu_to_be32(mdev->dev->caps.qp0_tunnel[sqp->qp.port - 1]);
sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1));
- if (mlx4_get_parav_qkey(mdev->dev, sqp->qp.mqp.qpn, &qkey))
- return -EINVAL;
+ if (mlx4_is_master(mdev->dev)) {
+ if (mlx4_get_parav_qkey(mdev->dev, sqp->qp.mqp.qpn, &qkey))
+ return -EINVAL;
+ } else {
+ if (vf_get_qp0_qkey(mdev->dev, sqp->qp.mqp.qpn, &qkey))
+ return -EINVAL;
+ }
sqp->ud_header.deth.qkey = cpu_to_be32(qkey);
sqp->ud_header.deth.source_qpn = cpu_to_be32(sqp->qp.mqp.qpn);
@@ -2378,7 +2415,8 @@ static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg,
static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
struct mlx4_wqe_datagram_seg *dseg,
- struct ib_send_wr *wr, enum ib_qp_type qpt)
+ struct ib_send_wr *wr,
+ enum mlx4_ib_qp_type qpt)
{
union mlx4_ext_av *av = &to_mah(wr->wr.ud.ah)->av;
struct mlx4_av sqp_av = {0};
@@ -2391,8 +2429,10 @@ static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
cpu_to_be32(0xf0000000);
memcpy(dseg->av, &sqp_av, sizeof (struct mlx4_av));
- /* This function used only for sending on QP1 proxies */
- dseg->dqpn = cpu_to_be32(dev->dev->caps.qp1_tunnel[port - 1]);
+ if (qpt == MLX4_IB_QPT_PROXY_GSI)
+ dseg->dqpn = cpu_to_be32(dev->dev->caps.qp1_tunnel[port - 1]);
+ else
+ dseg->dqpn = cpu_to_be32(dev->dev->caps.qp0_tunnel[port - 1]);
/* Use QKEY from the QP context, which is set by master */
dseg->qkey = cpu_to_be32(IB_QP_SET_QKEY);
}
@@ -2687,11 +2727,6 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
break;
case MLX4_IB_QPT_PROXY_SMI_OWNER:
- if (unlikely(!mlx4_is_master(to_mdev(ibqp->device)->dev))) {
- err = -ENOSYS;
- *bad_wr = wr;
- goto out;
- }
err = build_sriov_qp0_header(to_msqp(qp), wr, ctrl, &seglen);
if (unlikely(err)) {
*bad_wr = wr;
@@ -2708,16 +2743,13 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
size += seglen / 16;
break;
case MLX4_IB_QPT_PROXY_SMI:
- /* don't allow QP0 sends on guests */
- err = -ENOSYS;
- *bad_wr = wr;
- goto out;
case MLX4_IB_QPT_PROXY_GSI:
/* If we are tunneling special qps, this is a UD qp.
* In this case we first add a UD segment targeting
* the tunnel qp, and then add a header with address
* information */
- set_tunnel_datagram_seg(to_mdev(ibqp->device), wqe, wr, ibqp->qp_type);
+ set_tunnel_datagram_seg(to_mdev(ibqp->device), wqe, wr,
+ qp->mlx4_ib_qp_type);
wqe += sizeof (struct mlx4_wqe_datagram_seg);
size += sizeof (struct mlx4_wqe_datagram_seg) / 16;
build_tunnel_header(wr, wqe, &seglen);
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 60c5fb025fc7..62d9285300af 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -134,13 +134,14 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
if (err)
goto err_mtt;
} else {
- err = mlx4_db_alloc(dev->dev, &srq->db, 0);
+ err = mlx4_db_alloc(dev->dev, &srq->db, 0, GFP_KERNEL);
if (err)
goto err_srq;
*srq->db.db = 0;
- if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf)) {
+ if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf,
+ GFP_KERNEL)) {
err = -ENOMEM;
goto err_db;
}
@@ -165,7 +166,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf);
+ err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf, GFP_KERNEL);
if (err)
goto err_mtt;
diff --git a/drivers/infiniband/hw/mlx4/sysfs.c b/drivers/infiniband/hw/mlx4/sysfs.c
index 5a38e43eca65..cb4c66e723b5 100644
--- a/drivers/infiniband/hw/mlx4/sysfs.c
+++ b/drivers/infiniband/hw/mlx4/sysfs.c
@@ -389,8 +389,10 @@ struct mlx4_port {
struct mlx4_ib_dev *dev;
struct attribute_group pkey_group;
struct attribute_group gid_group;
- u8 port_num;
+ struct device_attribute enable_smi_admin;
+ struct device_attribute smi_enabled;
int slave;
+ u8 port_num;
};
@@ -558,6 +560,101 @@ err:
return NULL;
}
+static ssize_t sysfs_show_smi_enabled(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct mlx4_port *p =
+ container_of(attr, struct mlx4_port, smi_enabled);
+ ssize_t len = 0;
+
+ if (mlx4_vf_smi_enabled(p->dev->dev, p->slave, p->port_num))
+ len = sprintf(buf, "%d\n", 1);
+ else
+ len = sprintf(buf, "%d\n", 0);
+
+ return len;
+}
+
+static ssize_t sysfs_show_enable_smi_admin(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct mlx4_port *p =
+ container_of(attr, struct mlx4_port, enable_smi_admin);
+ ssize_t len = 0;
+
+ if (mlx4_vf_get_enable_smi_admin(p->dev->dev, p->slave, p->port_num))
+ len = sprintf(buf, "%d\n", 1);
+ else
+ len = sprintf(buf, "%d\n", 0);
+
+ return len;
+}
+
+static ssize_t sysfs_store_enable_smi_admin(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct mlx4_port *p =
+ container_of(attr, struct mlx4_port, enable_smi_admin);
+ int enable;
+
+ if (sscanf(buf, "%i", &enable) != 1 ||
+ enable < 0 || enable > 1)
+ return -EINVAL;
+
+ if (mlx4_vf_set_enable_smi_admin(p->dev->dev, p->slave, p->port_num, enable))
+ return -EINVAL;
+ return count;
+}
+
+static int add_vf_smi_entries(struct mlx4_port *p)
+{
+ int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
+ IB_LINK_LAYER_ETHERNET;
+ int ret;
+
+ /* do not display entries if eth transport, or if master */
+ if (is_eth || p->slave == mlx4_master_func_num(p->dev->dev))
+ return 0;
+
+ sysfs_attr_init(&p->smi_enabled.attr);
+ p->smi_enabled.show = sysfs_show_smi_enabled;
+ p->smi_enabled.store = NULL;
+ p->smi_enabled.attr.name = "smi_enabled";
+ p->smi_enabled.attr.mode = 0444;
+ ret = sysfs_create_file(&p->kobj, &p->smi_enabled.attr);
+ if (ret) {
+ pr_err("failed to create smi_enabled\n");
+ return ret;
+ }
+
+ sysfs_attr_init(&p->enable_smi_admin.attr);
+ p->enable_smi_admin.show = sysfs_show_enable_smi_admin;
+ p->enable_smi_admin.store = sysfs_store_enable_smi_admin;
+ p->enable_smi_admin.attr.name = "enable_smi_admin";
+ p->enable_smi_admin.attr.mode = 0644;
+ ret = sysfs_create_file(&p->kobj, &p->enable_smi_admin.attr);
+ if (ret) {
+ pr_err("failed to create enable_smi_admin\n");
+ sysfs_remove_file(&p->kobj, &p->smi_enabled.attr);
+ return ret;
+ }
+ return 0;
+}
+
+static void remove_vf_smi_entries(struct mlx4_port *p)
+{
+ int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
+ IB_LINK_LAYER_ETHERNET;
+
+ if (is_eth || p->slave == mlx4_master_func_num(p->dev->dev))
+ return;
+
+ sysfs_remove_file(&p->kobj, &p->smi_enabled.attr);
+ sysfs_remove_file(&p->kobj, &p->enable_smi_admin.attr);
+}
+
static int add_port(struct mlx4_ib_dev *dev, int port_num, int slave)
{
struct mlx4_port *p;
@@ -602,6 +699,10 @@ static int add_port(struct mlx4_ib_dev *dev, int port_num, int slave)
if (ret)
goto err_free_gid;
+ ret = add_vf_smi_entries(p);
+ if (ret)
+ goto err_free_gid;
+
list_add_tail(&p->kobj.entry, &dev->pkeys.pkey_port_list[slave]);
return 0;
@@ -669,6 +770,7 @@ err_add:
mport = container_of(p, struct mlx4_port, kobj);
sysfs_remove_group(p, &mport->pkey_group);
sysfs_remove_group(p, &mport->gid_group);
+ remove_vf_smi_entries(mport);
kobject_put(p);
}
kobject_put(dev->dev_ports_parent[slave]);
@@ -713,6 +815,7 @@ static void unregister_pkey_tree(struct mlx4_ib_dev *device)
port = container_of(p, struct mlx4_port, kobj);
sysfs_remove_group(p, &port->pkey_group);
sysfs_remove_group(p, &port->gid_group);
+ remove_vf_smi_entries(port);
kobject_put(p);
kobject_put(device->dev_ports_parent[slave]);
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-15 14:47:15 +0200