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path: root/drivers/infiniband/hw/mlx5/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c91
1 files changed, 51 insertions, 40 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index d8907b20522a..1ba6c42e4df8 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -157,11 +157,13 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
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 err = -ENOMEM;
int max_rq_sg;
int max_sq_sg;
u64 flags;
+ 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)
@@ -183,7 +185,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
IB_DEVICE_PORT_ACTIVE_EVENT |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN;
- flags = dev->mdev->caps.flags;
+ flags = gen->flags;
if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR)
props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
if (flags & MLX5_DEV_CAP_FLAG_BAD_QKEY_CNTR)
@@ -213,30 +215,31 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
props->max_mr_size = ~0ull;
- props->page_size_cap = dev->mdev->caps.min_page_sz;
- props->max_qp = 1 << dev->mdev->caps.log_max_qp;
- props->max_qp_wr = dev->mdev->caps.max_wqes;
- max_rq_sg = dev->mdev->caps.max_rq_desc_sz / sizeof(struct mlx5_wqe_data_seg);
- max_sq_sg = (dev->mdev->caps.max_sq_desc_sz - sizeof(struct mlx5_wqe_ctrl_seg)) /
+ 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->max_sge = min(max_rq_sg, max_sq_sg);
- props->max_cq = 1 << dev->mdev->caps.log_max_cq;
- props->max_cqe = dev->mdev->caps.max_cqes - 1;
- props->max_mr = 1 << dev->mdev->caps.log_max_mkey;
- props->max_pd = 1 << dev->mdev->caps.log_max_pd;
- props->max_qp_rd_atom = dev->mdev->caps.max_ra_req_qp;
- props->max_qp_init_rd_atom = dev->mdev->caps.max_ra_res_qp;
+ 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_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
- props->max_srq = 1 << dev->mdev->caps.log_max_srq;
- props->max_srq_wr = dev->mdev->caps.max_srq_wqes - 1;
props->max_srq_sge = max_rq_sg - 1;
props->max_fast_reg_page_list_len = (unsigned int)-1;
- props->local_ca_ack_delay = dev->mdev->caps.local_ca_ack_delay;
+ 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 << dev->mdev->caps.log_max_mcg;
- props->max_mcast_qp_attach = dev->mdev->caps.max_qp_mcg;
+ props->max_mcast_grp = 1 << gen->log_max_mcg;
+ props->max_mcast_qp_attach = gen->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 */
@@ -254,10 +257,12 @@ int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
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;
- if (port < 1 || port > dev->mdev->caps.num_ports) {
+ gen = &dev->mdev->caps.gen;
+ if (port < 1 || port > gen->num_ports) {
mlx5_ib_warn(dev, "invalid port number %d\n", port);
return -EINVAL;
}
@@ -288,8 +293,8 @@ int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
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 << to_mdev(ibdev)->mdev->caps.log_max_msg;
- props->pkey_tbl_len = to_mdev(ibdev)->mdev->caps.port[port - 1].pkey_table_len;
+ 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;
@@ -316,7 +321,7 @@ int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
/* If reported active speed is QDR, check if is FDR-10 */
if (props->active_speed == 4) {
- if (dev->mdev->caps.ext_port_cap[port - 1] &
+ 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;
@@ -470,6 +475,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
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;
@@ -480,6 +486,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
int i;
size_t reqlen;
+ gen = &dev->mdev->caps.gen;
if (!dev->ib_active)
return ERR_PTR(-EAGAIN);
@@ -512,14 +519,14 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
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 << dev->mdev->caps.log_max_qp;
- resp.bf_reg_size = dev->mdev->caps.bf_reg_size;
+ 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 = dev->mdev->caps.max_sq_desc_sz;
- resp.max_rq_desc_sz = dev->mdev->caps.max_rq_desc_sz;
- resp.max_send_wqebb = dev->mdev->caps.max_wqes;
- resp.max_recv_wr = dev->mdev->caps.max_wqes;
- resp.max_srq_recv_wr = dev->mdev->caps.max_srq_wqes;
+ 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;
context = kzalloc(sizeof(*context), GFP_KERNEL);
if (!context)
@@ -565,7 +572,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
mutex_init(&context->db_page_mutex);
resp.tot_uuars = req.total_num_uuars;
- resp.num_ports = dev->mdev->caps.num_ports;
+ resp.num_ports = gen->num_ports;
err = ib_copy_to_udata(udata, &resp,
sizeof(resp) - sizeof(resp.reserved));
if (err)
@@ -650,13 +657,13 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm
return -EINVAL;
idx = get_index(vma->vm_pgoff);
+ if (idx >= uuari->num_uars)
+ return -EINVAL;
+
pfn = uar_index2pfn(dev, uuari->uars[idx].index);
mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn 0x%llx\n", idx,
(unsigned long long)pfn);
- if (idx >= uuari->num_uars)
- return -EINVAL;
-
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
if (io_remap_pfn_range(vma, vma->vm_start, pfn,
PAGE_SIZE, vma->vm_page_prot))
@@ -967,9 +974,11 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
static void get_ext_port_caps(struct mlx5_ib_dev *dev)
{
+ struct mlx5_general_caps *gen;
int port;
- for (port = 1; port <= dev->mdev->caps.num_ports; port++)
+ gen = &dev->mdev->caps.gen;
+ for (port = 1; port <= gen->num_ports; port++)
mlx5_query_ext_port_caps(dev, port);
}
@@ -977,9 +986,11 @@ static int get_port_caps(struct mlx5_ib_dev *dev)
{
struct ib_device_attr *dprops = NULL;
struct ib_port_attr *pprops = NULL;
+ struct mlx5_general_caps *gen;
int err = 0;
int port;
+ gen = &dev->mdev->caps.gen;
pprops = kmalloc(sizeof(*pprops), GFP_KERNEL);
if (!pprops)
goto out;
@@ -994,14 +1005,14 @@ static int get_port_caps(struct mlx5_ib_dev *dev)
goto out;
}
- for (port = 1; port <= dev->mdev->caps.num_ports; port++) {
+ for (port = 1; port <= gen->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);
break;
}
- dev->mdev->caps.port[port - 1].pkey_table_len = dprops->max_pkeys;
- dev->mdev->caps.port[port - 1].gid_table_len = pprops->gid_tbl_len;
+ gen->port[port - 1].pkey_table_len = dprops->max_pkeys;
+ gen->port[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);
}
@@ -1279,8 +1290,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
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.reserved_lkey;
- dev->num_ports = mdev->caps.num_ports;
+ dev->ib_dev.local_dma_lkey = mdev->caps.gen.reserved_lkey;
+ dev->num_ports = mdev->caps.gen.num_ports;
dev->ib_dev.phys_port_cnt = dev->num_ports;
dev->ib_dev.num_comp_vectors = dev->num_comp_vectors;
dev->ib_dev.dma_device = &mdev->pdev->dev;
@@ -1355,7 +1366,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
- if (mdev->caps.flags & MLX5_DEV_CAP_FLAG_XRC) {
+ if (mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_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 |=
@@ -1414,8 +1425,8 @@ err_dealloc:
static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
{
struct mlx5_ib_dev *dev = context;
- destroy_umrc_res(dev);
ib_unregister_device(&dev->ib_dev);
+ destroy_umrc_res(dev);
destroy_dev_resources(&dev->devr);
free_comp_eqs(dev);
ib_dealloc_device(&dev->ib_dev);
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