* SOFTWARE.
*/
-#include <asm-generic/kmap_types.h>
+#include <linux/highmem.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/io-mapping.h>
#include <linux/sched.h>
#include <rdma/ib_user_verbs.h>
+#include <linux/mlx5/vport.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_umem.h>
#include "user.h"
DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v"
DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
+static enum rdma_link_layer
+mlx5_ib_port_link_layer(struct ib_device *device)
+{
+ struct mlx5_ib_dev *dev = to_mdev(device);
+
+ switch (MLX5_CAP_GEN(dev->mdev, port_type)) {
+ case MLX5_CAP_PORT_TYPE_IB:
+ return IB_LINK_LAYER_INFINIBAND;
+ case MLX5_CAP_PORT_TYPE_ETH:
+ return IB_LINK_LAYER_ETHERNET;
+ default:
+ return IB_LINK_LAYER_UNSPECIFIED;
+ }
+}
+
+static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev)
+{
+ return !dev->mdev->issi;
+}
+
+enum {
+ MLX5_VPORT_ACCESS_METHOD_MAD,
+ MLX5_VPORT_ACCESS_METHOD_HCA,
+ MLX5_VPORT_ACCESS_METHOD_NIC,
+};
+
+static int mlx5_get_vport_access_method(struct ib_device *ibdev)
+{
+ if (mlx5_use_mad_ifc(to_mdev(ibdev)))
+ return MLX5_VPORT_ACCESS_METHOD_MAD;
+
+ if (mlx5_ib_port_link_layer(ibdev) ==
+ IB_LINK_LAYER_ETHERNET)
+ return MLX5_VPORT_ACCESS_METHOD_NIC;
+
+ return MLX5_VPORT_ACCESS_METHOD_HCA;
+}
+
+static int mlx5_query_system_image_guid(struct ib_device *ibdev,
+ __be64 *sys_image_guid)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_core_dev *mdev = dev->mdev;
+ u64 tmp;
+ int err;
+
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_system_image_guid(ibdev,
+ sys_image_guid);
+
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
+ if (!err)
+ *sys_image_guid = cpu_to_be64(tmp);
+ return err;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int mlx5_query_max_pkeys(struct ib_device *ibdev,
+ u16 *max_pkeys)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_core_dev *mdev = dev->mdev;
+
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys);
+
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ case MLX5_VPORT_ACCESS_METHOD_NIC:
+ *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev,
+ pkey_table_size));
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int mlx5_query_vendor_id(struct ib_device *ibdev,
+ u32 *vendor_id)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id);
+
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ case MLX5_VPORT_ACCESS_METHOD_NIC:
+ return mlx5_core_query_vendor_id(dev->mdev, vendor_id);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int mlx5_query_node_guid(struct mlx5_ib_dev *dev,
+ __be64 *node_guid)
+{
+ u64 tmp;
+ int err;
+
+ switch (mlx5_get_vport_access_method(&dev->ib_dev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_node_guid(dev, node_guid);
+
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp);
+ if (!err)
+ *node_guid = cpu_to_be64(tmp);
+ return err;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+struct mlx5_reg_node_desc {
+ u8 desc[64];
+};
+
+static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
+{
+ struct mlx5_reg_node_desc in;
+
+ if (mlx5_use_mad_ifc(dev))
+ return mlx5_query_mad_ifc_node_desc(dev, node_desc);
+
+ memset(&in, 0, sizeof(in));
+
+ return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc,
+ sizeof(struct mlx5_reg_node_desc),
+ MLX5_REG_NODE_DESC, 0, 0);
+}
+
static int mlx5_ib_query_device(struct ib_device *ibdev,
- struct ib_device_attr *props)
+ struct ib_device_attr *props,
+ struct ib_udata *uhw)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
- struct mlx5_general_caps *gen;
+ struct mlx5_core_dev *mdev = dev->mdev;
int err = -ENOMEM;
int max_rq_sg;
int max_sq_sg;
- u64 flags;
+ u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
- gen = &dev->mdev->caps.gen;
- in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
- out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
- if (!in_mad || !out_mad)
- goto out;
+ if (uhw->inlen || uhw->outlen)
+ return -EINVAL;
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
+ memset(props, 0, sizeof(*props));
+ err = mlx5_query_system_image_guid(ibdev,
+ &props->sys_image_guid);
+ if (err)
+ return err;
- err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, out_mad);
+ err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys);
if (err)
- goto out;
+ return err;
- memset(props, 0, sizeof(*props));
+ err = mlx5_query_vendor_id(ibdev, &props->vendor_id);
+ if (err)
+ return err;
props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) |
(fw_rev_min(dev->mdev) << 16) |
IB_DEVICE_PORT_ACTIVE_EVENT |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN;
- flags = gen->flags;
- if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR)
+
+ if (MLX5_CAP_GEN(mdev, pkv))
props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
- if (flags & MLX5_DEV_CAP_FLAG_BAD_QKEY_CNTR)
+ if (MLX5_CAP_GEN(mdev, qkv))
props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
- if (flags & MLX5_DEV_CAP_FLAG_APM)
+ if (MLX5_CAP_GEN(mdev, apm))
props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
- props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
- if (flags & MLX5_DEV_CAP_FLAG_XRC)
+ if (MLX5_CAP_GEN(mdev, xrc))
props->device_cap_flags |= IB_DEVICE_XRC;
props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
- if (flags & MLX5_DEV_CAP_FLAG_SIG_HAND_OVER) {
+ if (MLX5_CAP_GEN(mdev, sho)) {
props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER;
/* At this stage no support for signature handover */
props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 |
props->sig_guard_cap = IB_GUARD_T10DIF_CRC |
IB_GUARD_T10DIF_CSUM;
}
- if (flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)
+ if (MLX5_CAP_GEN(mdev, block_lb_mc))
props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
- props->vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) &
- 0xffffff;
- props->vendor_part_id = be16_to_cpup((__be16 *)(out_mad->data + 30));
- props->hw_ver = be32_to_cpup((__be32 *)(out_mad->data + 32));
- memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
+ props->vendor_part_id = mdev->pdev->device;
+ props->hw_ver = mdev->pdev->revision;
props->max_mr_size = ~0ull;
- props->page_size_cap = gen->min_page_sz;
- props->max_qp = 1 << gen->log_max_qp;
- props->max_qp_wr = gen->max_wqes;
- max_rq_sg = gen->max_rq_desc_sz / sizeof(struct mlx5_wqe_data_seg);
- max_sq_sg = (gen->max_sq_desc_sz - sizeof(struct mlx5_wqe_ctrl_seg)) /
- sizeof(struct mlx5_wqe_data_seg);
+ props->page_size_cap = ~(min_page_size - 1);
+ props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp);
+ props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
+ max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) /
+ sizeof(struct mlx5_wqe_data_seg);
+ max_sq_sg = (MLX5_CAP_GEN(mdev, max_wqe_sz_sq) -
+ sizeof(struct mlx5_wqe_ctrl_seg)) /
+ sizeof(struct mlx5_wqe_data_seg);
props->max_sge = min(max_rq_sg, max_sq_sg);
- props->max_cq = 1 << gen->log_max_cq;
- props->max_cqe = gen->max_cqes - 1;
- props->max_mr = 1 << gen->log_max_mkey;
- props->max_pd = 1 << gen->log_max_pd;
- props->max_qp_rd_atom = 1 << gen->log_max_ra_req_qp;
- props->max_qp_init_rd_atom = 1 << gen->log_max_ra_res_qp;
- props->max_srq = 1 << gen->log_max_srq;
- props->max_srq_wr = gen->max_srq_wqes - 1;
- props->local_ca_ack_delay = gen->local_ca_ack_delay;
+ props->max_sge_rd = props->max_sge;
+ props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
+ props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
+ props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
+ props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd);
+ props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp);
+ props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp);
+ props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq);
+ props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1;
+ props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay);
props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
props->max_srq_sge = max_rq_sg - 1;
props->max_fast_reg_page_list_len = (unsigned int)-1;
- props->local_ca_ack_delay = gen->local_ca_ack_delay;
props->atomic_cap = IB_ATOMIC_NONE;
props->masked_atomic_cap = IB_ATOMIC_NONE;
- props->max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28));
- props->max_mcast_grp = 1 << gen->log_max_mcg;
- props->max_mcast_qp_attach = gen->max_qp_mcg;
+ props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg);
+ props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg);
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
- if (dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG)
+ if (MLX5_CAP_GEN(mdev, pg))
props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING;
props->odp_caps = dev->odp_caps;
#endif
-out:
- kfree(in_mad);
- kfree(out_mad);
-
- return err;
+ return 0;
}
-int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
- struct ib_port_attr *props)
+enum mlx5_ib_width {
+ MLX5_IB_WIDTH_1X = 1 << 0,
+ MLX5_IB_WIDTH_2X = 1 << 1,
+ MLX5_IB_WIDTH_4X = 1 << 2,
+ MLX5_IB_WIDTH_8X = 1 << 3,
+ MLX5_IB_WIDTH_12X = 1 << 4
+};
+
+static int translate_active_width(struct ib_device *ibdev, u8 active_width,
+ u8 *ib_width)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
- struct mlx5_general_caps *gen;
- int ext_active_speed;
- int err = -ENOMEM;
-
- gen = &dev->mdev->caps.gen;
- if (port < 1 || port > gen->num_ports) {
- mlx5_ib_warn(dev, "invalid port number %d\n", port);
- return -EINVAL;
+ int err = 0;
+
+ if (active_width & MLX5_IB_WIDTH_1X) {
+ *ib_width = IB_WIDTH_1X;
+ } else if (active_width & MLX5_IB_WIDTH_2X) {
+ mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n",
+ (int)active_width);
+ err = -EINVAL;
+ } else if (active_width & MLX5_IB_WIDTH_4X) {
+ *ib_width = IB_WIDTH_4X;
+ } else if (active_width & MLX5_IB_WIDTH_8X) {
+ *ib_width = IB_WIDTH_8X;
+ } else if (active_width & MLX5_IB_WIDTH_12X) {
+ *ib_width = IB_WIDTH_12X;
+ } else {
+ mlx5_ib_dbg(dev, "Invalid active_width %d\n",
+ (int)active_width);
+ err = -EINVAL;
}
- in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
- out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
- if (!in_mad || !out_mad)
- goto out;
-
- memset(props, 0, sizeof(*props));
-
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
- in_mad->attr_mod = cpu_to_be32(port);
+ return err;
+}
- err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad);
- if (err) {
- mlx5_ib_warn(dev, "err %d\n", err);
- goto out;
+static int mlx5_mtu_to_ib_mtu(int mtu)
+{
+ switch (mtu) {
+ case 256: return 1;
+ case 512: return 2;
+ case 1024: return 3;
+ case 2048: return 4;
+ case 4096: return 5;
+ default:
+ pr_warn("invalid mtu\n");
+ return -1;
}
+}
+enum ib_max_vl_num {
+ __IB_MAX_VL_0 = 1,
+ __IB_MAX_VL_0_1 = 2,
+ __IB_MAX_VL_0_3 = 3,
+ __IB_MAX_VL_0_7 = 4,
+ __IB_MAX_VL_0_14 = 5,
+};
- props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16));
- props->lmc = out_mad->data[34] & 0x7;
- props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18));
- props->sm_sl = out_mad->data[36] & 0xf;
- props->state = out_mad->data[32] & 0xf;
- props->phys_state = out_mad->data[33] >> 4;
- props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20));
- props->gid_tbl_len = out_mad->data[50];
- props->max_msg_sz = 1 << gen->log_max_msg;
- props->pkey_tbl_len = gen->port[port - 1].pkey_table_len;
- props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46));
- props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48));
- props->active_width = out_mad->data[31] & 0xf;
- props->active_speed = out_mad->data[35] >> 4;
- props->max_mtu = out_mad->data[41] & 0xf;
- props->active_mtu = out_mad->data[36] >> 4;
- props->subnet_timeout = out_mad->data[51] & 0x1f;
- props->max_vl_num = out_mad->data[37] >> 4;
- props->init_type_reply = out_mad->data[41] >> 4;
-
- /* Check if extended speeds (EDR/FDR/...) are supported */
- if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
- ext_active_speed = out_mad->data[62] >> 4;
-
- switch (ext_active_speed) {
- case 1:
- props->active_speed = 16; /* FDR */
- break;
- case 2:
- props->active_speed = 32; /* EDR */
- break;
- }
- }
+enum mlx5_vl_hw_cap {
+ MLX5_VL_HW_0 = 1,
+ MLX5_VL_HW_0_1 = 2,
+ MLX5_VL_HW_0_2 = 3,
+ MLX5_VL_HW_0_3 = 4,
+ MLX5_VL_HW_0_4 = 5,
+ MLX5_VL_HW_0_5 = 6,
+ MLX5_VL_HW_0_6 = 7,
+ MLX5_VL_HW_0_7 = 8,
+ MLX5_VL_HW_0_14 = 15
+};
- /* If reported active speed is QDR, check if is FDR-10 */
- if (props->active_speed == 4) {
- if (gen->ext_port_cap[port - 1] &
- MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
- init_query_mad(in_mad);
- in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
- in_mad->attr_mod = cpu_to_be32(port);
-
- err = mlx5_MAD_IFC(dev, 1, 1, port,
- NULL, NULL, in_mad, out_mad);
- if (err)
- goto out;
-
- /* Checking LinkSpeedActive for FDR-10 */
- if (out_mad->data[15] & 0x1)
- props->active_speed = 8;
- }
- }
+static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap,
+ u8 *max_vl_num)
+{
+ switch (vl_hw_cap) {
+ case MLX5_VL_HW_0:
+ *max_vl_num = __IB_MAX_VL_0;
+ break;
+ case MLX5_VL_HW_0_1:
+ *max_vl_num = __IB_MAX_VL_0_1;
+ break;
+ case MLX5_VL_HW_0_3:
+ *max_vl_num = __IB_MAX_VL_0_3;
+ break;
+ case MLX5_VL_HW_0_7:
+ *max_vl_num = __IB_MAX_VL_0_7;
+ break;
+ case MLX5_VL_HW_0_14:
+ *max_vl_num = __IB_MAX_VL_0_14;
+ break;
-out:
- kfree(in_mad);
- kfree(out_mad);
+ default:
+ return -EINVAL;
+ }
- return err;
+ return 0;
}
-static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
- union ib_gid *gid)
+static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
- int err = -ENOMEM;
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_core_dev *mdev = dev->mdev;
+ struct mlx5_hca_vport_context *rep;
+ int max_mtu;
+ int oper_mtu;
+ int err;
+ u8 ib_link_width_oper;
+ u8 vl_hw_cap;
- in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
- out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
- if (!in_mad || !out_mad)
+ rep = kzalloc(sizeof(*rep), GFP_KERNEL);
+ if (!rep) {
+ err = -ENOMEM;
goto out;
+ }
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
- in_mad->attr_mod = cpu_to_be32(port);
+ memset(props, 0, sizeof(*props));
- err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
+ err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep);
if (err)
goto out;
- memcpy(gid->raw, out_mad->data + 8, 8);
-
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
- in_mad->attr_mod = cpu_to_be32(index / 8);
+ props->lid = rep->lid;
+ props->lmc = rep->lmc;
+ props->sm_lid = rep->sm_lid;
+ props->sm_sl = rep->sm_sl;
+ props->state = rep->vport_state;
+ props->phys_state = rep->port_physical_state;
+ props->port_cap_flags = rep->cap_mask1;
+ props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size));
+ props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg);
+ props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size));
+ props->bad_pkey_cntr = rep->pkey_violation_counter;
+ props->qkey_viol_cntr = rep->qkey_violation_counter;
+ props->subnet_timeout = rep->subnet_timeout;
+ props->init_type_reply = rep->init_type_reply;
+
+ err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port);
+ if (err)
+ goto out;
- err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
+ err = translate_active_width(ibdev, ib_link_width_oper,
+ &props->active_width);
+ if (err)
+ goto out;
+ err = mlx5_query_port_proto_oper(mdev, &props->active_speed, MLX5_PTYS_IB,
+ port);
if (err)
goto out;
- memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
+ mlx5_query_port_max_mtu(mdev, &max_mtu, port);
+ props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu);
+
+ mlx5_query_port_oper_mtu(mdev, &oper_mtu, port);
+
+ props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu);
+
+ err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port);
+ if (err)
+ goto out;
+
+ err = translate_max_vl_num(ibdev, vl_hw_cap,
+ &props->max_vl_num);
out:
- kfree(in_mad);
- kfree(out_mad);
+ kfree(rep);
return err;
}
-static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
- u16 *pkey)
+int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
- int err = -ENOMEM;
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_port(ibdev, port, props);
- in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
- out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
- if (!in_mad || !out_mad)
- goto out;
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ return mlx5_query_hca_port(ibdev, port, props);
+
+ default:
+ return -EINVAL;
+ }
+}
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
- in_mad->attr_mod = cpu_to_be32(index / 32);
+static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
+ union ib_gid *gid)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_core_dev *mdev = dev->mdev;
- err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
- if (err)
- goto out;
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_gids(ibdev, port, index, gid);
- *pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]);
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid);
+
+ default:
+ return -EINVAL;
+ }
-out:
- kfree(in_mad);
- kfree(out_mad);
- return err;
}
-struct mlx5_reg_node_desc {
- u8 desc[64];
-};
+static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+ u16 *pkey)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_core_dev *mdev = dev->mdev;
+
+ switch (mlx5_get_vport_access_method(ibdev)) {
+ case MLX5_VPORT_ACCESS_METHOD_MAD:
+ return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey);
+
+ case MLX5_VPORT_ACCESS_METHOD_HCA:
+ case MLX5_VPORT_ACCESS_METHOD_NIC:
+ return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index,
+ pkey);
+ default:
+ return -EINVAL;
+ }
+}
static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask,
struct ib_device_modify *props)
struct mlx5_ib_alloc_ucontext_req_v2 req;
struct mlx5_ib_alloc_ucontext_resp resp;
struct mlx5_ib_ucontext *context;
- struct mlx5_general_caps *gen;
struct mlx5_uuar_info *uuari;
struct mlx5_uar *uars;
int gross_uuars;
int i;
size_t reqlen;
- gen = &dev->mdev->caps.gen;
if (!dev->ib_active)
return ERR_PTR(-EAGAIN);
num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE;
gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE;
- resp.qp_tab_size = 1 << gen->log_max_qp;
- resp.bf_reg_size = gen->bf_reg_size;
- resp.cache_line_size = L1_CACHE_BYTES;
- resp.max_sq_desc_sz = gen->max_sq_desc_sz;
- resp.max_rq_desc_sz = gen->max_rq_desc_sz;
- resp.max_send_wqebb = gen->max_wqes;
- resp.max_recv_wr = gen->max_wqes;
- resp.max_srq_recv_wr = gen->max_srq_wqes;
+ resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
+ resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
+ resp.cache_line_size = L1_CACHE_BYTES;
+ resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq);
+ resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq);
+ resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
+ resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
+ resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
context = kzalloc(sizeof(*context), GFP_KERNEL);
if (!context)
mutex_init(&context->db_page_mutex);
resp.tot_uuars = req.total_num_uuars;
- resp.num_ports = gen->num_ports;
+ resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports);
err = ib_copy_to_udata(udata, &resp,
sizeof(resp) - sizeof(resp.reserved));
if (err)
return 0;
}
-static int alloc_pa_mkey(struct mlx5_ib_dev *dev, u32 *key, u32 pdn)
-{
- struct mlx5_create_mkey_mbox_in *in;
- struct mlx5_mkey_seg *seg;
- struct mlx5_core_mr mr;
- int err;
-
- in = kzalloc(sizeof(*in), GFP_KERNEL);
- if (!in)
- return -ENOMEM;
-
- seg = &in->seg;
- seg->flags = MLX5_PERM_LOCAL_READ | MLX5_ACCESS_MODE_PA;
- seg->flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64);
- seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
- seg->start_addr = 0;
-
- err = mlx5_core_create_mkey(dev->mdev, &mr, in, sizeof(*in),
- NULL, NULL, NULL);
- if (err) {
- mlx5_ib_warn(dev, "failed to create mkey, %d\n", err);
- goto err_in;
- }
-
- kfree(in);
- *key = mr.key;
-
- return 0;
-
-err_in:
- kfree(in);
-
- return err;
-}
-
-static void free_pa_mkey(struct mlx5_ib_dev *dev, u32 key)
-{
- struct mlx5_core_mr mr;
- int err;
-
- memset(&mr, 0, sizeof(mr));
- mr.key = key;
- err = mlx5_core_destroy_mkey(dev->mdev, &mr);
- if (err)
- mlx5_ib_warn(dev, "failed to destroy mkey 0x%x\n", key);
-}
-
static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
kfree(pd);
return ERR_PTR(-EFAULT);
}
- } else {
- err = alloc_pa_mkey(to_mdev(ibdev), &pd->pa_lkey, pd->pdn);
- if (err) {
- mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn);
- kfree(pd);
- return ERR_PTR(err);
- }
}
return &pd->ibpd;
struct mlx5_ib_dev *mdev = to_mdev(pd->device);
struct mlx5_ib_pd *mpd = to_mpd(pd);
- if (!pd->uobject)
- free_pa_mkey(mdev, mpd->pa_lkey);
-
mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn);
kfree(mpd);
static int init_node_data(struct mlx5_ib_dev *dev)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
- int err = -ENOMEM;
-
- in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
- out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
- if (!in_mad || !out_mad)
- goto out;
-
- init_query_mad(in_mad);
- in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
-
- err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
- if (err)
- goto out;
-
- memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
-
- in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
+ int err;
- err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
+ err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc);
if (err)
- goto out;
+ return err;
- dev->mdev->rev_id = be32_to_cpup((__be32 *)(out_mad->data + 32));
- memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
+ dev->mdev->rev_id = dev->mdev->pdev->revision;
-out:
- kfree(in_mad);
- kfree(out_mad);
- return err;
+ return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid);
}
static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr,
static void get_ext_port_caps(struct mlx5_ib_dev *dev)
{
- struct mlx5_general_caps *gen;
int port;
- gen = &dev->mdev->caps.gen;
- for (port = 1; port <= gen->num_ports; port++)
+ for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++)
mlx5_query_ext_port_caps(dev, port);
}
{
struct ib_device_attr *dprops = NULL;
struct ib_port_attr *pprops = NULL;
- struct mlx5_general_caps *gen;
int err = -ENOMEM;
int port;
+ struct ib_udata uhw = {.inlen = 0, .outlen = 0};
- gen = &dev->mdev->caps.gen;
pprops = kmalloc(sizeof(*pprops), GFP_KERNEL);
if (!pprops)
goto out;
if (!dprops)
goto out;
- err = mlx5_ib_query_device(&dev->ib_dev, dprops);
+ err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
if (err) {
mlx5_ib_warn(dev, "query_device failed %d\n", err);
goto out;
}
- for (port = 1; port <= gen->num_ports; port++) {
+ for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) {
err = mlx5_ib_query_port(&dev->ib_dev, port, pprops);
if (err) {
- mlx5_ib_warn(dev, "query_port %d failed %d\n", port, err);
+ mlx5_ib_warn(dev, "query_port %d failed %d\n",
+ port, err);
break;
}
- gen->port[port - 1].pkey_table_len = dprops->max_pkeys;
- gen->port[port - 1].gid_table_len = pprops->gid_tbl_len;
+ dev->mdev->port_caps[port - 1].pkey_table_len =
+ dprops->max_pkeys;
+ dev->mdev->port_caps[port - 1].gid_table_len =
+ pprops->gid_tbl_len;
mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n",
dprops->max_pkeys, pprops->gid_tbl_len);
}
mlx5_ib_destroy_qp(dev->umrc.qp);
ib_destroy_cq(dev->umrc.cq);
- ib_dereg_mr(dev->umrc.mr);
ib_dealloc_pd(dev->umrc.pd);
}
struct ib_pd *pd;
struct ib_cq *cq;
struct ib_qp *qp;
- struct ib_mr *mr;
+ struct ib_cq_init_attr cq_attr = {};
int ret;
attr = kzalloc(sizeof(*attr), GFP_KERNEL);
goto error_0;
}
- mr = ib_get_dma_mr(pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(mr)) {
- mlx5_ib_dbg(dev, "Couldn't create DMA MR for sync UMR QP\n");
- ret = PTR_ERR(mr);
- goto error_1;
- }
-
- cq = ib_create_cq(&dev->ib_dev, mlx5_umr_cq_handler, NULL, NULL, 128,
- 0);
+ cq_attr.cqe = 128;
+ cq = ib_create_cq(&dev->ib_dev, mlx5_umr_cq_handler, NULL, NULL,
+ &cq_attr);
if (IS_ERR(cq)) {
mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n");
ret = PTR_ERR(cq);
dev->umrc.qp = qp;
dev->umrc.cq = cq;
- dev->umrc.mr = mr;
dev->umrc.pd = pd;
sema_init(&dev->umrc.sem, MAX_UMR_WR);
ib_destroy_cq(cq);
error_2:
- ib_dereg_mr(mr);
-
-error_1:
ib_dealloc_pd(pd);
error_0:
{
struct ib_srq_init_attr attr;
struct mlx5_ib_dev *dev;
+ struct ib_cq_init_attr cq_attr = {.cqe = 1};
int ret = 0;
dev = container_of(devr, struct mlx5_ib_dev, devr);
devr->p0->uobject = NULL;
atomic_set(&devr->p0->usecnt, 0);
- devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, 1, 0, NULL, NULL);
+ devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
if (IS_ERR(devr->c0)) {
ret = PTR_ERR(devr->c0);
goto error1;
atomic_inc(&devr->p0->usecnt);
atomic_set(&devr->s0->usecnt, 0);
+ memset(&attr, 0, sizeof(attr));
+ attr.attr.max_sge = 1;
+ attr.attr.max_wr = 1;
+ attr.srq_type = IB_SRQT_BASIC;
+ devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
+ if (IS_ERR(devr->s1)) {
+ ret = PTR_ERR(devr->s1);
+ goto error5;
+ }
+ devr->s1->device = &dev->ib_dev;
+ devr->s1->pd = devr->p0;
+ devr->s1->uobject = NULL;
+ devr->s1->event_handler = NULL;
+ devr->s1->srq_context = NULL;
+ devr->s1->srq_type = IB_SRQT_BASIC;
+ devr->s1->ext.xrc.cq = devr->c0;
+ atomic_inc(&devr->p0->usecnt);
+ atomic_set(&devr->s0->usecnt, 0);
+
return 0;
+error5:
+ mlx5_ib_destroy_srq(devr->s0);
error4:
mlx5_ib_dealloc_xrcd(devr->x1);
error3:
static void destroy_dev_resources(struct mlx5_ib_resources *devr)
{
+ mlx5_ib_destroy_srq(devr->s1);
mlx5_ib_destroy_srq(devr->s0);
mlx5_ib_dealloc_xrcd(devr->x0);
mlx5_ib_dealloc_xrcd(devr->x1);
mlx5_ib_dealloc_pd(devr->p0);
}
+static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = mlx5_ib_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
+ immutable->max_mad_size = IB_MGMT_MAD_SIZE;
+
+ return 0;
+}
+
static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
{
struct mlx5_ib_dev *dev;
int err;
int i;
+ /* don't create IB instance over Eth ports, no RoCE yet! */
+ if (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH)
+ return NULL;
+
printk_once(KERN_INFO "%s", mlx5_version);
dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev));
if (err)
goto err_dealloc;
- get_ext_port_caps(dev);
+ if (mlx5_use_mad_ifc(dev))
+ get_ext_port_caps(dev);
MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock);
strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
dev->ib_dev.owner = THIS_MODULE;
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
- dev->ib_dev.local_dma_lkey = mdev->caps.gen.reserved_lkey;
- dev->num_ports = mdev->caps.gen.num_ports;
+ dev->ib_dev.local_dma_lkey = 0 /* not supported for now */;
+ dev->num_ports = MLX5_CAP_GEN(mdev, num_ports);
dev->ib_dev.phys_port_cnt = dev->num_ports;
dev->ib_dev.num_comp_vectors =
dev->mdev->priv.eq_table.num_comp_vectors;
dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr;
dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr;
dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr;
- dev->ib_dev.destroy_mr = mlx5_ib_destroy_mr;
dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
dev->ib_dev.process_mad = mlx5_ib_process_mad;
- dev->ib_dev.create_mr = mlx5_ib_create_mr;
- dev->ib_dev.alloc_fast_reg_mr = mlx5_ib_alloc_fast_reg_mr;
- dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
- dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
+ dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr;
+ dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg;
dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
+ dev->ib_dev.get_port_immutable = mlx5_port_immutable;
- mlx5_ib_internal_query_odp_caps(dev);
+ mlx5_ib_internal_fill_odp_caps(dev);
- if (mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_XRC) {
+ if (MLX5_CAP_GEN(mdev, xrc)) {
dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd;
dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd;
dev->ib_dev.uverbs_cmd_mask |=
Code Review / kvmfornfv.git / blobdiff