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-rw-r--r--drivers/infiniband/hw/mlx4/mad.c12
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c104
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c173
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.h14
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c61
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/qp.c71
-rw-r--r--include/linux/mlx4/device.h16
7 files changed, 290 insertions, 161 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 603a114b3dfe..658a622791fb 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -505,7 +505,7 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
} else
tun_pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][0];
- dqpn = dev->dev->caps.sqp_start + 8 * slave + port + (dest_qpt * 2) - 1;
+ dqpn = dev->dev->phys_caps.base_proxy_sqpn + 8 * slave + port + (dest_qpt * 2) - 1;
/* get tunnel tx data buf for slave */
src_qp = tun_qp->qp;
@@ -1074,9 +1074,9 @@ static int mlx4_ib_multiplex_sa_handler(struct ib_device *ibdev, int port,
static int is_proxy_qp0(struct mlx4_ib_dev *dev, int qpn, int slave)
{
- int slave_start = dev->dev->caps.sqp_start + 8 * slave;
+ int proxy_start = dev->dev->phys_caps.base_proxy_sqpn + 8 * slave;
- return (qpn >= slave_start && qpn <= slave_start + 1);
+ return (qpn >= proxy_start && qpn <= proxy_start + 1);
}
@@ -1191,14 +1191,14 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
int slave;
/* Get slave that sent this packet */
- if (wc->src_qp < dev->dev->caps.sqp_start ||
- wc->src_qp >= dev->dev->caps.base_tunnel_sqpn ||
+ if (wc->src_qp < dev->dev->phys_caps.base_proxy_sqpn ||
+ wc->src_qp >= dev->dev->phys_caps.base_proxy_sqpn + 8 * MLX4_MFUNC_MAX ||
(wc->src_qp & 0x1) != ctx->port - 1 ||
wc->src_qp & 0x4) {
mlx4_ib_warn(ctx->ib_dev, "can't multiplex bad sqp:%d\n", wc->src_qp);
return;
}
- slave = ((wc->src_qp & ~0x7) - dev->dev->caps.sqp_start) / 8;
+ slave = ((wc->src_qp & ~0x7) - dev->dev->phys_caps.base_proxy_sqpn) / 8;
if (slave != ctx->slave) {
mlx4_ib_warn(ctx->ib_dev, "can't multiplex bad sqp:%d: "
"belongs to another slave\n", wc->src_qp);
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index a8622510de42..96fe103f5973 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -116,33 +116,57 @@ static int is_tunnel_qp(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
if (!mlx4_is_master(dev->dev))
return 0;
- return qp->mqp.qpn >= dev->dev->caps.base_sqpn &&
- qp->mqp.qpn < dev->dev->caps.base_sqpn +
- 8 + 16 * MLX4_MFUNC_MAX;
+ return qp->mqp.qpn >= dev->dev->phys_caps.base_tunnel_sqpn &&
+ qp->mqp.qpn < dev->dev->phys_caps.base_tunnel_sqpn +
+ 8 * MLX4_MFUNC_MAX;
}
static int is_sqp(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
{
- return ((mlx4_is_master(dev->dev) &&
- qp->mqp.qpn >= dev->dev->caps.base_sqpn &&
- qp->mqp.qpn <= dev->dev->caps.base_sqpn + 3) ||
- (qp->mqp.qpn >= dev->dev->caps.sqp_start &&
- qp->mqp.qpn <= dev->dev->caps.sqp_start + 3));
+ int proxy_sqp = 0;
+ int real_sqp = 0;
+ int i;
+ /* PPF or Native -- real SQP */
+ real_sqp = ((mlx4_is_master(dev->dev) || !mlx4_is_mfunc(dev->dev)) &&
+ qp->mqp.qpn >= dev->dev->phys_caps.base_sqpn &&
+ qp->mqp.qpn <= dev->dev->phys_caps.base_sqpn + 3);
+ if (real_sqp)
+ return 1;
+ /* VF or PF -- proxy SQP */
+ if (mlx4_is_mfunc(dev->dev)) {
+ for (i = 0; i < dev->dev->caps.num_ports; i++) {
+ if (qp->mqp.qpn == dev->dev->caps.qp0_proxy[i] ||
+ qp->mqp.qpn == dev->dev->caps.qp1_proxy[i]) {
+ proxy_sqp = 1;
+ break;
+ }
+ }
+ }
+ return proxy_sqp;
}
/* used for INIT/CLOSE port logic */
static int is_qp0(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
{
- int qp0;
-
- /* qp0 is either the proxy qp0, or the real qp0 */
- qp0 = (qp->mqp.qpn >= dev->dev->caps.sqp_start &&
- qp->mqp.qpn <= dev->dev->caps.sqp_start + 1) ||
- (mlx4_is_master(dev->dev) &&
- qp->mqp.qpn >= dev->dev->caps.base_sqpn &&
- qp->mqp.qpn <= dev->dev->caps.base_sqpn + 1);
-
- return qp0;
+ int proxy_qp0 = 0;
+ int real_qp0 = 0;
+ int i;
+ /* PPF or Native -- real QP0 */
+ real_qp0 = ((mlx4_is_master(dev->dev) || !mlx4_is_mfunc(dev->dev)) &&
+ qp->mqp.qpn >= dev->dev->phys_caps.base_sqpn &&
+ qp->mqp.qpn <= dev->dev->phys_caps.base_sqpn + 1);
+ if (real_qp0)
+ return 1;
+ /* VF or PF -- proxy QP0 */
+ if (mlx4_is_mfunc(dev->dev)) {
+ for (i = 0; i < dev->dev->caps.num_ports; i++) {
+ if (qp->mqp.qpn == dev->dev->caps.qp0_proxy[i]) {
+ proxy_qp0 = 1;
+ break;
+ }
+ }
+ }
+ return proxy_qp0;
}
static void *get_wqe(struct mlx4_ib_qp *qp, int offset)
@@ -607,8 +631,10 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
qp_type = MLX4_IB_QPT_TUN_SMI_OWNER;
else
qp_type = MLX4_IB_QPT_TUN_SMI;
- qpn = dev->dev->caps.base_tunnel_sqpn + 8 * tnl_init->slave +
- tnl_init->proxy_qp_type * 2 + tnl_init->port - 1;
+ /* we are definitely in the PPF here, since we are creating
+ * tunnel QPs. base_tunnel_sqpn is therefore valid. */
+ qpn = dev->dev->phys_caps.base_tunnel_sqpn + 8 * tnl_init->slave
+ + tnl_init->proxy_qp_type * 2 + tnl_init->port - 1;
sqpn = qpn;
}
@@ -630,12 +656,6 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
qp->mlx4_ib_qp_type = qp_type;
- if (mlx4_is_mfunc(dev->dev) &&
- (qp_type == MLX4_IB_QPT_SMI || qp_type == MLX4_IB_QPT_GSI)) {
- qpn -= 8;
- sqpn -= 8;
- }
-
mutex_init(&qp->mutex);
spin_lock_init(&qp->sq.lock);
spin_lock_init(&qp->rq.lock);
@@ -935,6 +955,23 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp,
del_gid_entries(qp);
}
+static u32 get_sqp_num(struct mlx4_ib_dev *dev, struct ib_qp_init_attr *attr)
+{
+ /* Native or PPF */
+ if (!mlx4_is_mfunc(dev->dev) ||
+ (mlx4_is_master(dev->dev) &&
+ attr->create_flags & MLX4_IB_SRIOV_SQP)) {
+ return dev->dev->phys_caps.base_sqpn +
+ (attr->qp_type == IB_QPT_SMI ? 0 : 2) +
+ attr->port_num - 1;
+ }
+ /* PF or VF -- creating proxies */
+ if (attr->qp_type == IB_QPT_SMI)
+ return dev->dev->caps.qp0_proxy[attr->port_num - 1];
+ else
+ return dev->dev->caps.qp1_proxy[attr->port_num - 1];
+}
+
struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
@@ -998,9 +1035,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
return ERR_PTR(-EINVAL);
err = create_qp_common(to_mdev(pd->device), pd, init_attr, udata,
- to_mdev(pd->device)->dev->caps.sqp_start +
- (init_attr->qp_type == IB_QPT_SMI ? 0 : 2) +
- init_attr->port_num - 1,
+ get_sqp_num(to_mdev(pd->device), init_attr),
&qp);
if (err)
return ERR_PTR(err);
@@ -1643,8 +1678,7 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->wr.ud.remote_qpn);
else
sqp->ud_header.bth.destination_qpn =
- cpu_to_be32(mdev->dev->caps.base_tunnel_sqpn +
- sqp->qp.port - 1);
+ 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))
@@ -2012,10 +2046,10 @@ static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
cpu_to_be32(0xf0000000);
memcpy(dseg->av, &sqp_av, sizeof (struct mlx4_av));
- dseg->dqpn = cpu_to_be32(dev->dev->caps.base_tunnel_sqpn +
- qpt * 2 + port - 1);
- /* use well-known qkey from the QPC */
- dseg->qkey = cpu_to_be32(0x80000000);
+ /* This function used only for sending on QP1 proxies */
+ dseg->dqpn = cpu_to_be32(dev->dev->caps.qp1_tunnel[port - 1]);
+ /* Use QKEY from the QP context, which is set by master */
+ dseg->qkey = cpu_to_be32(IB_QP_SET_QKEY);
}
static void build_tunnel_header(struct ib_send_wr *wr, void *wqe, unsigned *mlx_seg_len)
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 1d74e8541146..e2ed36e2fb29 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -184,8 +184,6 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
#define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28
#define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
#define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0X30
-#define QUERY_FUNC_CAP_BASE_TUNNEL_QPN_OFFSET 0x44
-#define QUERY_FUNC_CAP_BASE_PROXY_QPN_OFFSET 0x48
#define QUERY_FUNC_CAP_FMR_FLAG 0x80
#define QUERY_FUNC_CAP_FLAG_RDMA 0x40
@@ -196,21 +194,39 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
#define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8
#define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc
+#define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
+#define QUERY_FUNC_CAP_QP0_PROXY 0x14
+#define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
+#define QUERY_FUNC_CAP_QP1_PROXY 0x1c
+
#define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40
#define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80
#define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80
if (vhcr->op_modifier == 1) {
- field = vhcr->in_modifier;
- MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
-
field = 0;
/* ensure force vlan and force mac bits are not set */
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
/* ensure that phy_wqe_gid bit is not set */
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
+ field = vhcr->in_modifier; /* phys-port = logical-port */
+ MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
+
+ /* size is now the QP number */
+ size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1;
+ MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
+
+ size += 2;
+ MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
+
+ size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1;
+ MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY);
+
+ size += 2;
+ MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY);
+
} else if (vhcr->op_modifier == 0) {
/* enable rdma and ethernet interfaces */
field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA);
@@ -249,117 +265,124 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
size = dev->caps.num_mgms + dev->caps.num_amgms;
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
- size = dev->caps.base_tunnel_sqpn + 8 * slave;
- MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_BASE_TUNNEL_QPN_OFFSET);
-
- size = dev->caps.sqp_start + 8 * slave;
- MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_BASE_PROXY_QPN_OFFSET);
-
} else
err = -EINVAL;
return err;
}
-int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, struct mlx4_func_cap *func_cap)
+int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
+ struct mlx4_func_cap *func_cap)
{
struct mlx4_cmd_mailbox *mailbox;
u32 *outbox;
- u8 field;
+ u8 field, op_modifier;
u32 size;
- int i;
int err = 0;
+ op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
- err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FUNC_CAP,
+ err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
+ MLX4_CMD_QUERY_FUNC_CAP,
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
if (err)
goto out;
outbox = mailbox->buf;
- MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
- if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
- mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
- err = -EPROTONOSUPPORT;
- goto out;
- }
- func_cap->flags = field;
-
- MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
- func_cap->num_ports = field;
+ if (!op_modifier) {
+ MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
+ if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
+ mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
+ err = -EPROTONOSUPPORT;
+ goto out;
+ }
+ func_cap->flags = field;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
- func_cap->pf_context_behaviour = size;
+ MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
+ func_cap->num_ports = field;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
- func_cap->qp_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
+ func_cap->pf_context_behaviour = size;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
- func_cap->srq_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
+ func_cap->qp_quota = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
- func_cap->cq_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
+ func_cap->srq_quota = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
- func_cap->max_eq = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
+ func_cap->cq_quota = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
- func_cap->reserved_eq = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
+ func_cap->max_eq = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
- func_cap->mpt_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
+ func_cap->reserved_eq = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
- func_cap->mtt_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
+ func_cap->mpt_quota = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
- func_cap->mcg_quota = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
+ func_cap->mtt_quota = size & 0xFFFFFF;
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_BASE_TUNNEL_QPN_OFFSET);
- func_cap->base_tunnel_qpn = size & 0xFFFFFF;
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
+ func_cap->mcg_quota = size & 0xFFFFFF;
+ goto out;
+ }
- MLX4_GET(size, outbox, QUERY_FUNC_CAP_BASE_PROXY_QPN_OFFSET);
- func_cap->base_proxy_qpn = size & 0xFFFFFF;
+ /* logical port query */
+ if (gen_or_port > dev->caps.num_ports) {
+ err = -EINVAL;
+ goto out;
+ }
- for (i = 1; i <= func_cap->num_ports; ++i) {
- err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 1,
- MLX4_CMD_QUERY_FUNC_CAP,
- MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
- if (err)
+ if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
+ MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
+ if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) {
+ mlx4_err(dev, "VLAN is enforced on this port\n");
+ err = -EPROTONOSUPPORT;
goto out;
+ }
- if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) {
- MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET);
- if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) {
- mlx4_err(dev, "VLAN is enforced on this port\n");
- err = -EPROTONOSUPPORT;
- goto out;
- }
-
- if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC) {
- mlx4_err(dev, "Force mac is enabled on this port\n");
- err = -EPROTONOSUPPORT;
- goto out;
- }
- } else if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB) {
- MLX4_GET(field, outbox, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
- if (field & QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID) {
- mlx4_err(dev, "phy_wqe_gid is "
- "enforced on this ib port\n");
- err = -EPROTONOSUPPORT;
- goto out;
- }
+ if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC) {
+ mlx4_err(dev, "Force mac is enabled on this port\n");
+ err = -EPROTONOSUPPORT;
+ goto out;
+ }
+ } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
+ MLX4_GET(field, outbox, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET);
+ if (field & QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID) {
+ mlx4_err(dev, "phy_wqe_gid is "
+ "enforced on this ib port\n");
+ err = -EPROTONOSUPPORT;
+ goto out;
}
+ }
- MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
- func_cap->physical_port[i] = field;
+ MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
+ func_cap->physical_port = field;
+ if (func_cap->physical_port != gen_or_port) {
+ err = -ENOSYS;
+ goto out;
}
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
+ func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
+
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
+ func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
+
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
+ func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
+
+ MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
+ func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
+
/* All other resources are allocated by the master, but we still report
* 'num' and 'reserved' capabilities as follows:
* - num remains the maximum resource index
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h
index ced1de57c818..85abe9c11a22 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.h
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.h
@@ -134,11 +134,12 @@ struct mlx4_func_cap {
int max_eq;
int reserved_eq;
int mcg_quota;
- u32 base_qpn;
- u32 base_tunnel_qpn;
- u32 base_proxy_qpn;
- u8 physical_port[MLX4_MAX_PORTS + 1];
- u8 port_flags[MLX4_MAX_PORTS + 1];
+ u32 qp0_tunnel_qpn;
+ u32 qp0_proxy_qpn;
+ u32 qp1_tunnel_qpn;
+ u32 qp1_proxy_qpn;
+ u8 physical_port;
+ u8 port_flags;
};
struct mlx4_adapter {
@@ -195,7 +196,8 @@ struct mlx4_set_ib_param {
};
int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap);
-int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, struct mlx4_func_cap *func_cap);
+int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
+ struct mlx4_func_cap *func_cap);
int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 76f69fdd01d5..1e2ab9d00f1c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -410,15 +410,16 @@ static int mlx4_how_many_lives_vf(struct mlx4_dev *dev)
int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey)
{
u32 qk = MLX4_RESERVED_QKEY_BASE;
- if (qpn >= dev->caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX ||
- qpn < dev->caps.sqp_start)
+
+ if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX ||
+ qpn < dev->phys_caps.base_proxy_sqpn)
return -EINVAL;
- if (qpn >= dev->caps.base_tunnel_sqpn)
+ if (qpn >= dev->phys_caps.base_tunnel_sqpn)
/* tunnel qp */
- qk += qpn - dev->caps.base_tunnel_sqpn;
+ qk += qpn - dev->phys_caps.base_tunnel_sqpn;
else
- qk += qpn - dev->caps.sqp_start;
+ qk += qpn - dev->phys_caps.base_proxy_sqpn;
*qkey = qk;
return 0;
}
@@ -527,9 +528,10 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
}
memset(&func_cap, 0, sizeof(func_cap));
- err = mlx4_QUERY_FUNC_CAP(dev, &func_cap);
+ err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap);
if (err) {
- mlx4_err(dev, "QUERY_FUNC_CAP command failed, aborting.\n");
+ mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d).\n",
+ err);
return err;
}
@@ -557,12 +559,33 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
return -ENODEV;
}
+ dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+
+ if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
+ !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) {
+ err = -ENOMEM;
+ goto err_mem;
+ }
+
for (i = 1; i <= dev->caps.num_ports; ++i) {
+ err = mlx4_QUERY_FUNC_CAP(dev, (u32) i, &func_cap);
+ if (err) {
+ mlx4_err(dev, "QUERY_FUNC_CAP port command failed for"
+ " port %d, aborting (%d).\n", i, err);
+ goto err_mem;
+ }
+ dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn;
+ dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn;
+ dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn;
+ dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn;
dev->caps.port_mask[i] = dev->caps.port_type[i];
if (mlx4_get_slave_pkey_gid_tbl_len(dev, i,
&dev->caps.gid_table_len[i],
&dev->caps.pkey_table_len[i]))
- return -ENODEV;
+ goto err_mem;
}
if (dev->caps.uar_page_size * (dev->caps.num_uars -
@@ -572,14 +595,20 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
"PCI resource 2 size of 0x%llx, aborting.\n",
dev->caps.uar_page_size * dev->caps.num_uars,
(unsigned long long) pci_resource_len(dev->pdev, 2));
- return -ENODEV;
+ goto err_mem;
}
- /* Calculate our sqp_start */
- dev->caps.sqp_start = func_cap.base_proxy_qpn;
- dev->caps.base_tunnel_sqpn = func_cap.base_tunnel_qpn;
-
return 0;
+
+err_mem:
+ kfree(dev->caps.qp0_tunnel);
+ kfree(dev->caps.qp0_proxy);
+ kfree(dev->caps.qp1_tunnel);
+ kfree(dev->caps.qp1_proxy);
+ dev->caps.qp0_tunnel = dev->caps.qp0_proxy =
+ dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL;
+
+ return err;
}
/*
@@ -2261,6 +2290,12 @@ static void mlx4_remove_one(struct pci_dev *pdev)
if (!mlx4_is_slave(dev))
mlx4_free_ownership(dev);
+
+ kfree(dev->caps.qp0_tunnel);
+ kfree(dev->caps.qp0_proxy);
+ kfree(dev->caps.qp1_tunnel);
+ kfree(dev->caps.qp1_proxy);
+
kfree(priv);
pci_release_regions(pdev);
pci_disable_device(pdev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 436ef6c69add..81e2abe07bbb 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -68,15 +68,15 @@ void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type)
}
/* used for INIT/CLOSE port logic */
-static int is_qp0(struct mlx4_dev *dev, struct mlx4_qp *qp, int *real_qp0, int *proxy_qp0)
+static int is_master_qp0(struct mlx4_dev *dev, struct mlx4_qp *qp, int *real_qp0, int *proxy_qp0)
{
+ /* this procedure is called after we already know we are on the master */
/* qp0 is either the proxy qp0, or the real qp0 */
- *proxy_qp0 = qp->qpn >= dev->caps.sqp_start &&
- qp->qpn <= dev->caps.sqp_start + 1;
+ u32 pf_proxy_offset = dev->phys_caps.base_proxy_sqpn + 8 * mlx4_master_func_num(dev);
+ *proxy_qp0 = qp->qpn >= pf_proxy_offset && qp->qpn <= pf_proxy_offset + 1;
- *real_qp0 = mlx4_is_master(dev) &&
- qp->qpn >= dev->caps.base_sqpn &&
- qp->qpn <= dev->caps.base_sqpn + 1;
+ *real_qp0 = qp->qpn >= dev->phys_caps.base_sqpn &&
+ qp->qpn <= dev->phys_caps.base_sqpn + 1;
return *real_qp0 || *proxy_qp0;
}
@@ -143,7 +143,7 @@ static int __mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
MLX4_CMD_2RST_QP, MLX4_CMD_TIME_CLASS_A, native);
if (mlx4_is_master(dev) && cur_state != MLX4_QP_STATE_ERR &&
cur_state != MLX4_QP_STATE_RST &&
- is_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
+ is_master_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
port = (qp->qpn & 1) + 1;
if (proxy_qp0)
priv->mfunc.master.qp0_state[port].proxy_qp0_active = 0;
@@ -175,7 +175,7 @@ static int __mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
new_state == MLX4_QP_STATE_RST ? 2 : 0,
op[cur_state][new_state], MLX4_CMD_TIME_CLASS_C, native);
- if (mlx4_is_master(dev) && is_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
+ if (mlx4_is_master(dev) && is_master_qp0(dev, qp, &real_qp0, &proxy_qp0)) {
port = (qp->qpn & 1) + 1;
if (cur_state != MLX4_QP_STATE_ERR &&
cur_state != MLX4_QP_STATE_RST &&
@@ -422,6 +422,7 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
int err;
int reserved_from_top = 0;
+ int k;
spin_lock_init(&qp_table->lock);
INIT_RADIX_TREE(&dev->qp_table_tree, GFP_ATOMIC);
@@ -436,7 +437,7 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
* We also reserve the MSB of the 24-bit QP number to indicate
* that a QP is an XRC QP.
*/
- dev->caps.base_sqpn =
+ dev->phys_caps.base_sqpn =
ALIGN(dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], 8);
{
@@ -479,24 +480,54 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
*/
err = mlx4_bitmap_init(&qp_table->bitmap, dev->caps.num_qps,
- (1 << 23) - 1, dev->caps.base_sqpn + 8 +
+ (1 << 23) - 1, dev->phys_caps.base_sqpn + 8 +
16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev),
reserved_from_top);
+ if (err)
+ return err;
- /* In mfunc, sqp_start is the base of the proxy SQPs, since the PF also
- * uses paravirtualized SQPs.
- * In native mode, sqp_start is the base of the real SQPs. */
if (mlx4_is_mfunc(dev)) {
- dev->caps.sqp_start = dev->caps.base_sqpn +
- 8 * (mlx4_master_func_num(dev) + 1);
- dev->caps.base_tunnel_sqpn = dev->caps.sqp_start + 8 * MLX4_MFUNC_MAX;
- } else
- dev->caps.sqp_start = dev->caps.base_sqpn;
+ /* for PPF use */
+ dev->phys_caps.base_proxy_sqpn = dev->phys_caps.base_sqpn + 8;
+ dev->phys_caps.base_tunnel_sqpn = dev->phys_caps.base_sqpn + 8 + 8 * MLX4_MFUNC_MAX;
+
+ /* In mfunc, calculate proxy and tunnel qp offsets for the PF here,
+ * since the PF does not call mlx4_slave_caps */
+ dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+ dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
+
+ if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
+ !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) {
+ err = -ENOMEM;
+ goto err_mem;
+ }
+ for (k = 0; k < dev->caps.num_ports; k++) {
+ dev->caps.qp0_proxy[k] = dev->phys_caps.base_proxy_sqpn +
+ 8 * mlx4_master_func_num(dev) + k;
+ dev->caps.qp0_tunnel[k] = dev->caps.qp0_proxy[k] + 8 * MLX4_MFUNC_MAX;
+ dev->caps.qp1_proxy[k] = dev->phys_caps.base_proxy_sqpn +
+ 8 * mlx4_master_func_num(dev) + MLX4_MAX_PORTS + k;
+ dev->caps.qp1_tunnel[k] = dev->caps.qp1_proxy[k] + 8 * MLX4_MFUNC_MAX;
+ }
+ }
+
+
+ err = mlx4_CONF_SPECIAL_QP(dev, dev->phys_caps.base_sqpn);
if (err)
- return err;
+ goto err_mem;
+ return 0;
- return mlx4_CONF_SPECIAL_QP(dev, dev->caps.base_sqpn);
+err_mem:
+ kfree(dev->caps.qp0_tunnel);
+ kfree(dev->caps.qp0_proxy);
+ kfree(dev->caps.qp1_tunnel);
+ kfree(dev->caps.qp1_proxy);
+ dev->caps.qp0_tunnel = dev->caps.qp0_proxy =
+ dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL;
+ return err;
}
void mlx4_cleanup_qp_table(struct mlx4_dev *dev)
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index c0f8f74a0a5e..6d1acb04cd17 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -328,6 +328,9 @@ struct mlx4_phys_caps {
u32 gid_phys_table_len[MLX4_MAX_PORTS + 1];
u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1];
u32 num_phys_eqs;
+ u32 base_sqpn;
+ u32 base_proxy_sqpn;
+ u32 base_tunnel_sqpn;
};
struct mlx4_caps {
@@ -358,9 +361,10 @@ struct mlx4_caps {
int max_rq_desc_sz;
int max_qp_init_rdma;
int max_qp_dest_rdma;
- int sqp_start;
- u32 base_sqpn;
- u32 base_tunnel_sqpn;
+ u32 *qp0_proxy;
+ u32 *qp1_proxy;
+ u32 *qp0_tunnel;
+ u32 *qp1_tunnel;
int num_srqs;
int max_srq_wqes;
int max_srq_sge;
@@ -722,15 +726,15 @@ static inline int mlx4_is_master(struct mlx4_dev *dev)
static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
{
- return (qpn < dev->caps.base_sqpn + 8 +
+ return (qpn < dev->phys_caps.base_sqpn + 8 +
16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
}
static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
{
- int base = dev->caps.sqp_start + slave * 8;
+ int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
- if (qpn >= base && qpn < base + 8)
+ if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
return 1;
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.