return ERR_PTR(-EINVAL);
entries = roundup_pow_of_two(entries + 1);
- if (entries > dev->mdev->caps.max_cqes)
+ if (entries > dev->mdev->caps.gen.max_cqes)
return ERR_PTR(-EINVAL);
cq = kzalloc(sizeof(*cq), GFP_KERNEL);
int err;
u32 fsel;
- if (!(dev->mdev->caps.flags & MLX5_DEV_CAP_FLAG_CQ_MODER))
+ if (!(dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_CQ_MODER))
return -ENOSYS;
in = kzalloc(sizeof(*in), GFP_KERNEL);
int uninitialized_var(cqe_size);
unsigned long flags;
- if (!(dev->mdev->caps.flags & MLX5_DEV_CAP_FLAG_RESIZE_CQ)) {
+ if (!(dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_RESIZE_CQ)) {
pr_info("Firmware does not support resize CQ\n");
return -ENOSYS;
}
return -EINVAL;
entries = roundup_pow_of_two(entries + 1);
- if (entries > dev->mdev->caps.max_cqes + 1)
+ if (entries > dev->mdev->caps.gen.max_cqes + 1)
return -EINVAL;
if (entries == ibcq->cqe + 1)
packet_error = be16_to_cpu(out_mad->status);
- dev->mdev->caps.ext_port_cap[port - 1] = (!err && !packet_error) ?
+ dev->mdev->caps.gen.ext_port_cap[port - 1] = (!err && !packet_error) ?
MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0;
out:
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)
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)
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 */
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;
}
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;
/* 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;
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 << 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)
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)
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);
}
{
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;
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);
}
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;
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 |=
static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap,
int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd)
{
+ struct mlx5_general_caps *gen;
int wqe_size;
int wq_size;
+ gen = &dev->mdev->caps.gen;
/* Sanity check RQ size before proceeding */
- if (cap->max_recv_wr > dev->mdev->caps.max_wqes)
+ if (cap->max_recv_wr > gen->max_wqes)
return -EINVAL;
if (!has_rq) {
wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size;
wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB);
qp->rq.wqe_cnt = wq_size / wqe_size;
- if (wqe_size > dev->mdev->caps.max_rq_desc_sz) {
+ if (wqe_size > gen->max_rq_desc_sz) {
mlx5_ib_dbg(dev, "wqe_size %d, max %d\n",
wqe_size,
- dev->mdev->caps.max_rq_desc_sz);
+ gen->max_rq_desc_sz);
return -EINVAL;
}
qp->rq.wqe_shift = ilog2(wqe_size);
static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
struct mlx5_ib_qp *qp)
{
+ struct mlx5_general_caps *gen;
int wqe_size;
int wq_size;
+ gen = &dev->mdev->caps.gen;
if (!attr->cap.max_send_wr)
return 0;
if (wqe_size < 0)
return wqe_size;
- if (wqe_size > dev->mdev->caps.max_sq_desc_sz) {
+ if (wqe_size > gen->max_sq_desc_sz) {
mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n",
- wqe_size, dev->mdev->caps.max_sq_desc_sz);
+ wqe_size, gen->max_sq_desc_sz);
return -EINVAL;
}
wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size);
qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB;
- if (qp->sq.wqe_cnt > dev->mdev->caps.max_wqes) {
+ if (qp->sq.wqe_cnt > gen->max_wqes) {
mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n",
- qp->sq.wqe_cnt, dev->mdev->caps.max_wqes);
+ qp->sq.wqe_cnt, gen->max_wqes);
return -ENOMEM;
}
qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
struct mlx5_ib_qp *qp,
struct mlx5_ib_create_qp *ucmd)
{
+ struct mlx5_general_caps *gen;
int desc_sz = 1 << qp->sq.wqe_shift;
- if (desc_sz > dev->mdev->caps.max_sq_desc_sz) {
+ gen = &dev->mdev->caps.gen;
+ if (desc_sz > gen->max_sq_desc_sz) {
mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n",
- desc_sz, dev->mdev->caps.max_sq_desc_sz);
+ desc_sz, gen->max_sq_desc_sz);
return -EINVAL;
}
qp->sq.wqe_cnt = ucmd->sq_wqe_count;
- if (qp->sq.wqe_cnt > dev->mdev->caps.max_wqes) {
+ if (qp->sq.wqe_cnt > gen->max_wqes) {
mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n",
- qp->sq.wqe_cnt, dev->mdev->caps.max_wqes);
+ qp->sq.wqe_cnt, gen->max_wqes);
return -EINVAL;
}
struct mlx5_ib_resources *devr = &dev->devr;
struct mlx5_ib_create_qp_resp resp;
struct mlx5_create_qp_mbox_in *in;
+ struct mlx5_general_caps *gen;
struct mlx5_ib_create_qp ucmd;
int inlen = sizeof(*in);
int err;
+ gen = &dev->mdev->caps.gen;
mutex_init(&qp->mutex);
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)) {
+ if (!(gen->flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)) {
mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n");
return -EINVAL;
} else {
mlx5_ib_dbg(dev, "invalid rq params\n");
return -EINVAL;
}
- if (ucmd.sq_wqe_count > dev->mdev->caps.max_wqes) {
+ if (ucmd.sq_wqe_count > gen->max_wqes) {
mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n",
- ucmd.sq_wqe_count, dev->mdev->caps.max_wqes);
+ ucmd.sq_wqe_count, gen->max_wqes);
return -EINVAL;
}
err = create_user_qp(dev, pd, qp, udata, &in, &resp, &inlen);
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
{
+ struct mlx5_general_caps *gen;
struct mlx5_ib_dev *dev;
struct mlx5_ib_qp *qp;
u16 xrcdn = 0;
}
dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device);
}
+ gen = &dev->mdev->caps.gen;
switch (init_attr->qp_type) {
case IB_QPT_XRC_TGT:
case IB_QPT_XRC_INI:
- if (!(dev->mdev->caps.flags & MLX5_DEV_CAP_FLAG_XRC)) {
+ if (!(gen->flags & MLX5_DEV_CAP_FLAG_XRC)) {
mlx5_ib_dbg(dev, "XRC not supported\n");
return ERR_PTR(-ENOSYS);
}
static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate)
{
+ struct mlx5_general_caps *gen;
+
+ gen = &dev->mdev->caps.gen;
if (rate == IB_RATE_PORT_CURRENT) {
return 0;
} else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) {
} else {
while (rate != IB_RATE_2_5_GBPS &&
!(1 << (rate + MLX5_STAT_RATE_OFFSET) &
- dev->mdev->caps.stat_rate_support))
+ gen->stat_rate_support))
--rate;
}
struct mlx5_qp_path *path, u8 port, int attr_mask,
u32 path_flags, const struct ib_qp_attr *attr)
{
+ struct mlx5_general_caps *gen;
int err;
+ gen = &dev->mdev->caps.gen;
path->fl = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0;
path->free_ar = (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x80 : 0;
path->port = port;
if (ah->ah_flags & IB_AH_GRH) {
- if (ah->grh.sgid_index >= dev->mdev->caps.port[port - 1].gid_table_len) {
+ if (ah->grh.sgid_index >= gen->port[port - 1].gid_table_len) {
pr_err(KERN_ERR "sgid_index (%u) too large. max is %d\n",
- ah->grh.sgid_index, dev->mdev->caps.port[port - 1].gid_table_len);
+ ah->grh.sgid_index, gen->port[port - 1].gid_table_len);
return -EINVAL;
}
struct mlx5_ib_qp *qp = to_mqp(ibqp);
struct mlx5_ib_cq *send_cq, *recv_cq;
struct mlx5_qp_context *context;
+ struct mlx5_general_caps *gen;
struct mlx5_modify_qp_mbox_in *in;
struct mlx5_ib_pd *pd;
enum mlx5_qp_state mlx5_cur, mlx5_new;
int mlx5_st;
int err;
+ gen = &dev->mdev->caps.gen;
in = kzalloc(sizeof(*in), GFP_KERNEL);
if (!in)
return -ENOMEM;
err = -EINVAL;
goto out;
}
- context->mtu_msgmax = (attr->path_mtu << 5) | dev->mdev->caps.log_max_msg;
+ context->mtu_msgmax = (attr->path_mtu << 5) | gen->log_max_msg;
}
if (attr_mask & IB_QP_DEST_QPN)
struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
struct mlx5_ib_qp *qp = to_mqp(ibqp);
enum ib_qp_state cur_state, new_state;
+ struct mlx5_general_caps *gen;
int err = -EINVAL;
int port;
+ gen = &dev->mdev->caps.gen;
mutex_lock(&qp->mutex);
cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state;
goto out;
if ((attr_mask & IB_QP_PORT) &&
- (attr->port_num == 0 || attr->port_num > dev->mdev->caps.num_ports))
+ (attr->port_num == 0 || attr->port_num > gen->num_ports))
goto out;
if (attr_mask & IB_QP_PKEY_INDEX) {
port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
- if (attr->pkey_index >= dev->mdev->caps.port[port - 1].pkey_table_len)
+ if (attr->pkey_index >= gen->port[port - 1].pkey_table_len)
goto out;
}
if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
- attr->max_rd_atomic > dev->mdev->caps.max_ra_res_qp)
+ attr->max_rd_atomic > (1 << gen->log_max_ra_res_qp))
goto out;
if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
- attr->max_dest_rd_atomic > dev->mdev->caps.max_ra_req_qp)
+ attr->max_dest_rd_atomic > (1 << gen->log_max_ra_req_qp))
goto out;
if (cur_state == new_state && cur_state == IB_QPS_RESET) {
memset(ib_ah_attr, 0, sizeof(*ib_ah_attr));
ib_ah_attr->port_num = path->port;
- if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->caps.num_ports)
+ if (ib_ah_attr->port_num == 0 ||
+ ib_ah_attr->port_num > dev->caps.gen.num_ports)
return;
ib_ah_attr->sl = path->sl & 0xf;
struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
+ struct mlx5_general_caps *gen;
struct mlx5_ib_xrcd *xrcd;
int err;
- if (!(dev->mdev->caps.flags & MLX5_DEV_CAP_FLAG_XRC))
+ gen = &dev->mdev->caps.gen;
+ if (!(gen->flags & MLX5_DEV_CAP_FLAG_XRC))
return ERR_PTR(-ENOSYS);
xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL);
struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
+ struct mlx5_general_caps *gen;
struct mlx5_ib_srq *srq;
int desc_size;
int buf_size;
int is_xrc;
u32 flgs, xrcdn;
+ gen = &dev->mdev->caps.gen;
/* Sanity check SRQ size before proceeding */
- if (init_attr->attr.max_wr >= dev->mdev->caps.max_srq_wqes) {
+ if (init_attr->attr.max_wr >= gen->max_srq_wqes) {
mlx5_ib_dbg(dev, "max_wr %d, cap %d\n",
init_attr->attr.max_wr,
- dev->mdev->caps.max_srq_wqes);
+ gen->max_srq_wqes);
return ERR_PTR(-EINVAL);
}
}
}
-int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr)
+static int cmd_status_to_err(u8 status)
{
- if (!hdr->status)
- return 0;
-
- pr_warn("command failed, status %s(0x%x), syndrome 0x%x\n",
- cmd_status_str(hdr->status), hdr->status,
- be32_to_cpu(hdr->syndrome));
-
- switch (hdr->status) {
+ switch (status) {
case MLX5_CMD_STAT_OK: return 0;
case MLX5_CMD_STAT_INT_ERR: return -EIO;
case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL;
default: return -EIO;
}
}
+
+/* this will be available till all the commands use set/get macros */
+int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr)
+{
+ if (!hdr->status)
+ return 0;
+
+ pr_warn("command failed, status %s(0x%x), syndrome 0x%x\n",
+ cmd_status_str(hdr->status), hdr->status,
+ be32_to_cpu(hdr->syndrome));
+
+ return cmd_status_to_err(hdr->status);
+}
err = mlx5_create_map_eq(dev, &table->pages_eq,
MLX5_EQ_VEC_PAGES,
- dev->caps.max_vf + 1,
+ dev->caps.gen.max_vf + 1,
1 << MLX5_EVENT_TYPE_PAGE_REQUEST, "mlx5_pages_eq",
&dev->priv.uuari.uars[0]);
if (err) {
return err;
}
-int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev,
- struct mlx5_caps *caps)
+int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps)
{
- struct mlx5_cmd_query_hca_cap_mbox_out *out;
- struct mlx5_cmd_query_hca_cap_mbox_in in;
- struct mlx5_query_special_ctxs_mbox_out ctx_out;
- struct mlx5_query_special_ctxs_mbox_in ctx_in;
- int err;
- u16 t16;
-
- out = kzalloc(sizeof(*out), GFP_KERNEL);
- if (!out)
- return -ENOMEM;
-
- memset(&in, 0, sizeof(in));
- in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_HCA_CAP);
- in.hdr.opmod = cpu_to_be16(0x1);
- err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out));
- if (err)
- goto out_out;
-
- if (out->hdr.status) {
- err = mlx5_cmd_status_to_err(&out->hdr);
- goto out_out;
- }
-
-
- caps->log_max_eq = out->hca_cap.log_max_eq & 0xf;
- caps->max_cqes = 1 << out->hca_cap.log_max_cq_sz;
- caps->max_wqes = 1 << out->hca_cap.log_max_qp_sz;
- caps->max_sq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_sq);
- caps->max_rq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_rq);
- caps->flags = be64_to_cpu(out->hca_cap.flags);
- caps->stat_rate_support = be16_to_cpu(out->hca_cap.stat_rate_support);
- caps->log_max_msg = out->hca_cap.log_max_msg & 0x1f;
- caps->num_ports = out->hca_cap.num_ports & 0xf;
- caps->log_max_cq = out->hca_cap.log_max_cq & 0x1f;
- if (caps->num_ports > MLX5_MAX_PORTS) {
- mlx5_core_err(dev, "device has %d ports while the driver supports max %d ports\n",
- caps->num_ports, MLX5_MAX_PORTS);
- err = -EINVAL;
- goto out_out;
- }
- caps->log_max_qp = out->hca_cap.log_max_qp & 0x1f;
- caps->log_max_mkey = out->hca_cap.log_max_mkey & 0x3f;
- caps->log_max_pd = out->hca_cap.log_max_pd & 0x1f;
- caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f;
- caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f;
- caps->log_max_mcg = out->hca_cap.log_max_mcg;
- caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff;
- caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f);
- caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f);
- caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz;
- t16 = be16_to_cpu(out->hca_cap.bf_log_bf_reg_size);
- if (t16 & 0x8000) {
- caps->bf_reg_size = 1 << (t16 & 0x1f);
- caps->bf_regs_per_page = MLX5_BF_REGS_PER_PAGE;
- } else {
- caps->bf_reg_size = 0;
- caps->bf_regs_per_page = 0;
- }
- caps->min_page_sz = ~(u32)((1 << out->hca_cap.log_pg_sz) - 1);
-
- memset(&ctx_in, 0, sizeof(ctx_in));
- memset(&ctx_out, 0, sizeof(ctx_out));
- ctx_in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
- err = mlx5_cmd_exec(dev, &ctx_in, sizeof(ctx_in),
- &ctx_out, sizeof(ctx_out));
- if (err)
- goto out_out;
-
- if (ctx_out.hdr.status)
- err = mlx5_cmd_status_to_err(&ctx_out.hdr);
-
- caps->reserved_lkey = be32_to_cpu(ctx_out.reserved_lkey);
-
-out_out:
- kfree(out);
-
- return err;
+ return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR);
}
int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
static int mlx5_enable_msix(struct mlx5_core_dev *dev)
{
struct mlx5_eq_table *table = &dev->priv.eq_table;
- int num_eqs = 1 << dev->caps.log_max_eq;
+ int num_eqs = 1 << dev->caps.gen.log_max_eq;
int nvec;
int i;
- nvec = dev->caps.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE;
+ nvec = dev->caps.gen.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE;
nvec = min_t(int, nvec, num_eqs);
if (nvec <= MLX5_EQ_VEC_COMP_BASE)
return -ENOMEM;
#define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos))
enum {
- MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) |
- CAP_MASK(MLX5_CAP_OFF_DCT, 1),
+ MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) |
+ MLX5_DEV_CAP_FLAG_DCT,
};
+static u16 to_fw_pkey_sz(u32 size)
+{
+ switch (size) {
+ case 128:
+ return 0;
+ case 256:
+ return 1;
+ case 512:
+ return 2;
+ case 1024:
+ return 3;
+ case 2048:
+ return 4;
+ case 4096:
+ return 5;
+ default:
+ pr_warn("invalid pkey table size %d\n", size);
+ return 0;
+ }
+}
+
/* selectively copy writable fields clearing any reserved area
*/
-static void copy_rw_fields(struct mlx5_hca_cap *to, struct mlx5_hca_cap *from)
+static void copy_rw_fields(struct mlx5_hca_cap *to, struct mlx5_general_caps *from)
{
u64 v64;
to->log_max_ra_res_dc = from->log_max_ra_res_dc & 0x3f;
to->log_max_ra_req_qp = from->log_max_ra_req_qp & 0x3f;
to->log_max_ra_res_qp = from->log_max_ra_res_qp & 0x3f;
- to->log_max_atomic_size_qp = from->log_max_atomic_size_qp;
- to->log_max_atomic_size_dc = from->log_max_atomic_size_dc;
- v64 = be64_to_cpu(from->flags) & MLX5_CAP_BITS_RW_MASK;
+ to->pkey_table_size = cpu_to_be16(to_fw_pkey_sz(from->pkey_table_size));
+ v64 = from->flags & MLX5_CAP_BITS_RW_MASK;
to->flags = cpu_to_be64(v64);
}
-enum {
- HCA_CAP_OPMOD_GET_MAX = 0,
- HCA_CAP_OPMOD_GET_CUR = 1,
-};
+static u16 get_pkey_table_size(int pkey)
+{
+ if (pkey > MLX5_MAX_LOG_PKEY_TABLE)
+ return 0;
-static int handle_hca_cap(struct mlx5_core_dev *dev)
+ return MLX5_MIN_PKEY_TABLE_SIZE << pkey;
+}
+
+static void fw2drv_caps(struct mlx5_caps *caps,
+ struct mlx5_cmd_query_hca_cap_mbox_out *out)
{
- struct mlx5_cmd_query_hca_cap_mbox_out *query_out = NULL;
- struct mlx5_cmd_set_hca_cap_mbox_in *set_ctx = NULL;
- struct mlx5_cmd_query_hca_cap_mbox_in query_ctx;
- struct mlx5_cmd_set_hca_cap_mbox_out set_out;
- u64 flags;
+ struct mlx5_general_caps *gen = &caps->gen;
+ u16 t16;
+
+ gen->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz;
+ gen->max_wqes = 1 << out->hca_cap.log_max_qp_sz;
+ gen->log_max_qp = out->hca_cap.log_max_qp & 0x1f;
+ gen->log_max_strq = out->hca_cap.log_max_strq_sz;
+ gen->log_max_srq = out->hca_cap.log_max_srqs & 0x1f;
+ gen->max_cqes = 1 << out->hca_cap.log_max_cq_sz;
+ gen->log_max_cq = out->hca_cap.log_max_cq & 0x1f;
+ gen->max_eqes = out->hca_cap.log_max_eq_sz;
+ gen->log_max_mkey = out->hca_cap.log_max_mkey & 0x3f;
+ gen->log_max_eq = out->hca_cap.log_max_eq & 0xf;
+ gen->max_indirection = out->hca_cap.max_indirection;
+ gen->log_max_mrw_sz = out->hca_cap.log_max_mrw_sz;
+ gen->log_max_bsf_list_size = 0;
+ gen->log_max_klm_list_size = 0;
+ gen->log_max_ra_req_dc = out->hca_cap.log_max_ra_req_dc;
+ gen->log_max_ra_res_dc = out->hca_cap.log_max_ra_res_dc;
+ gen->log_max_ra_req_qp = out->hca_cap.log_max_ra_req_qp;
+ gen->log_max_ra_res_qp = out->hca_cap.log_max_ra_res_qp;
+ gen->max_qp_counters = be16_to_cpu(out->hca_cap.max_qp_count);
+ gen->pkey_table_size = get_pkey_table_size(be16_to_cpu(out->hca_cap.pkey_table_size));
+ gen->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f;
+ gen->num_ports = out->hca_cap.num_ports & 0xf;
+ gen->log_max_msg = out->hca_cap.log_max_msg & 0x1f;
+ gen->stat_rate_support = be16_to_cpu(out->hca_cap.stat_rate_support);
+ gen->flags = be64_to_cpu(out->hca_cap.flags);
+ pr_debug("flags = 0x%llx\n", gen->flags);
+ gen->uar_sz = out->hca_cap.uar_sz;
+ gen->min_log_pg_sz = out->hca_cap.log_pg_sz;
+
+ t16 = be16_to_cpu(out->hca_cap.bf_log_bf_reg_size);
+ if (t16 & 0x8000) {
+ gen->bf_reg_size = 1 << (t16 & 0x1f);
+ gen->bf_regs_per_page = MLX5_BF_REGS_PER_PAGE;
+ } else {
+ gen->bf_reg_size = 0;
+ gen->bf_regs_per_page = 0;
+ }
+ gen->max_sq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_sq);
+ gen->max_rq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_rq);
+ gen->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff;
+ gen->log_max_pd = out->hca_cap.log_max_pd & 0x1f;
+ gen->log_max_xrcd = out->hca_cap.log_max_xrcd;
+ gen->log_uar_page_sz = be16_to_cpu(out->hca_cap.log_uar_page_sz);
+}
+
+static const char *caps_opmod_str(u16 opmod)
+{
+ switch (opmod) {
+ case HCA_CAP_OPMOD_GET_MAX:
+ return "GET_MAX";
+ case HCA_CAP_OPMOD_GET_CUR:
+ return "GET_CUR";
+ default:
+ return "Invalid";
+ }
+}
+
+int mlx5_core_get_caps(struct mlx5_core_dev *dev, struct mlx5_caps *caps,
+ u16 opmod)
+{
+ struct mlx5_cmd_query_hca_cap_mbox_out *out;
+ struct mlx5_cmd_query_hca_cap_mbox_in in;
int err;
- memset(&query_ctx, 0, sizeof(query_ctx));
- query_out = kzalloc(sizeof(*query_out), GFP_KERNEL);
- if (!query_out)
+ memset(&in, 0, sizeof(in));
+ out = kzalloc(sizeof(*out), GFP_KERNEL);
+ if (!out)
return -ENOMEM;
- set_ctx = kzalloc(sizeof(*set_ctx), GFP_KERNEL);
- if (!set_ctx) {
- err = -ENOMEM;
+ in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_HCA_CAP);
+ in.hdr.opmod = cpu_to_be16(opmod);
+ err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out));
+
+ err = mlx5_cmd_status_to_err(&out->hdr);
+ if (err) {
+ mlx5_core_warn(dev, "query max hca cap failed, %d\n", err);
goto query_ex;
}
+ mlx5_core_dbg(dev, "%s\n", caps_opmod_str(opmod));
+ fw2drv_caps(caps, out);
- query_ctx.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_HCA_CAP);
- query_ctx.hdr.opmod = cpu_to_be16(HCA_CAP_OPMOD_GET_CUR);
- err = mlx5_cmd_exec(dev, &query_ctx, sizeof(query_ctx),
- query_out, sizeof(*query_out));
+query_ex:
+ kfree(out);
+ return err;
+}
+
+static int set_caps(struct mlx5_core_dev *dev,
+ struct mlx5_cmd_set_hca_cap_mbox_in *in)
+{
+ struct mlx5_cmd_set_hca_cap_mbox_out out;
+ int err;
+
+ memset(&out, 0, sizeof(out));
+
+ in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP);
+ err = mlx5_cmd_exec(dev, in, sizeof(*in), &out, sizeof(out));
if (err)
- goto query_ex;
+ return err;
- err = mlx5_cmd_status_to_err(&query_out->hdr);
- if (err) {
- mlx5_core_warn(dev, "query hca cap failed, %d\n", err);
+ err = mlx5_cmd_status_to_err(&out.hdr);
+
+ return err;
+}
+
+static int handle_hca_cap(struct mlx5_core_dev *dev)
+{
+ struct mlx5_cmd_set_hca_cap_mbox_in *set_ctx = NULL;
+ struct mlx5_profile *prof = dev->profile;
+ struct mlx5_caps *cur_caps = NULL;
+ struct mlx5_caps *max_caps = NULL;
+ int err = -ENOMEM;
+
+ set_ctx = kzalloc(sizeof(*set_ctx), GFP_KERNEL);
+ if (!set_ctx)
goto query_ex;
- }
- copy_rw_fields(&set_ctx->hca_cap, &query_out->hca_cap);
+ max_caps = kzalloc(sizeof(*max_caps), GFP_KERNEL);
+ if (!max_caps)
+ goto query_ex;
- if (dev->profile && dev->profile->mask & MLX5_PROF_MASK_QP_SIZE)
- set_ctx->hca_cap.log_max_qp = dev->profile->log_max_qp;
+ cur_caps = kzalloc(sizeof(*cur_caps), GFP_KERNEL);
+ if (!cur_caps)
+ goto query_ex;
- flags = be64_to_cpu(query_out->hca_cap.flags);
- /* disable checksum */
- flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM;
-
- set_ctx->hca_cap.flags = cpu_to_be64(flags);
- memset(&set_out, 0, sizeof(set_out));
- set_ctx->hca_cap.log_uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12);
- set_ctx->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP);
- err = mlx5_cmd_exec(dev, set_ctx, sizeof(*set_ctx),
- &set_out, sizeof(set_out));
- if (err) {
- mlx5_core_warn(dev, "set hca cap failed, %d\n", err);
+ err = mlx5_core_get_caps(dev, max_caps, HCA_CAP_OPMOD_GET_MAX);
+ if (err)
goto query_ex;
- }
- err = mlx5_cmd_status_to_err(&set_out.hdr);
+ err = mlx5_core_get_caps(dev, cur_caps, HCA_CAP_OPMOD_GET_CUR);
if (err)
goto query_ex;
+ /* we limit the size of the pkey table to 128 entries for now */
+ cur_caps->gen.pkey_table_size = 128;
+
+ if (prof->mask & MLX5_PROF_MASK_QP_SIZE)
+ cur_caps->gen.log_max_qp = prof->log_max_qp;
+
+ /* disable checksum */
+ cur_caps->gen.flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM;
+
+ copy_rw_fields(&set_ctx->hca_cap, &cur_caps->gen);
+ err = set_caps(dev, set_ctx);
+
query_ex:
- kfree(query_out);
+ kfree(cur_caps);
+ kfree(max_caps);
kfree(set_ctx);
return err;
for (i = 0; i < tot_uuars; i++) {
bf = &uuari->bfs[i];
- bf->buf_size = dev->caps.bf_reg_size / 2;
+ bf->buf_size = dev->caps.gen.bf_reg_size / 2;
bf->uar = &uuari->uars[i / MLX5_BF_REGS_PER_PAGE];
bf->regreg = uuari->uars[i / MLX5_BF_REGS_PER_PAGE].map;
bf->reg = NULL; /* Add WC support */
- bf->offset = (i % MLX5_BF_REGS_PER_PAGE) * dev->caps.bf_reg_size +
+ bf->offset = (i % MLX5_BF_REGS_PER_PAGE) * dev->caps.gen.bf_reg_size +
MLX5_BF_OFFSET;
bf->need_lock = need_uuar_lock(i);
spin_lock_init(&bf->lock);
MLX5_INLINE_SEG = 0x80000000,
};
+enum {
+ MLX5_MIN_PKEY_TABLE_SIZE = 128,
+ MLX5_MAX_LOG_PKEY_TABLE = 5,
+};
+
enum {
MLX5_PERM_LOCAL_READ = 1 << 2,
MLX5_PERM_LOCAL_WRITE = 1 << 3,
MLX5_DEV_CAP_FLAG_CQ_MODER = 1LL << 29,
MLX5_DEV_CAP_FLAG_RESIZE_CQ = 1LL << 30,
MLX5_DEV_CAP_FLAG_RESIZE_SRQ = 1LL << 32,
+ MLX5_DEV_CAP_FLAG_DCT = 1LL << 37,
MLX5_DEV_CAP_FLAG_REMOTE_FENCE = 1LL << 38,
MLX5_DEV_CAP_FLAG_TLP_HINTS = 1LL << 39,
MLX5_DEV_CAP_FLAG_SIG_HAND_OVER = 1LL << 40,
- MLX5_DEV_CAP_FLAG_DCT = 1LL << 41,
MLX5_DEV_CAP_FLAG_CMDIF_CSUM = 3LL << 46,
};
};
enum {
- MLX5_CAP_OFF_DCT = 41,
MLX5_CAP_OFF_CMDIF_CSUM = 46,
};
+enum {
+ HCA_CAP_OPMOD_GET_MAX = 0,
+ HCA_CAP_OPMOD_GET_CUR = 1,
+};
+
struct mlx5_inbox_hdr {
__be16 opcode;
u8 rsvd[4];
u8 log_max_ra_req_qp;
u8 rsvd10;
u8 log_max_ra_res_qp;
- u8 rsvd11[4];
+ u8 pad_cap;
+ u8 rsvd11[3];
__be16 max_qp_count;
- __be16 rsvd12;
+ __be16 pkey_table_size;
u8 rsvd13;
u8 local_ca_ack_delay;
u8 rsvd14;
u8 log_max_xrcd;
u8 rsvd25[42];
__be16 log_uar_page_sz;
- u8 rsvd26[28];
- u8 log_max_atomic_size_qp;
- u8 rsvd27[2];
- u8 log_max_atomic_size_dc;
- u8 rsvd28[76];
+ u8 rsvd26[108];
};
int pkey_table_len;
};
-struct mlx5_caps {
+struct mlx5_general_caps {
u8 log_max_eq;
u8 log_max_cq;
u8 log_max_qp;
u8 log_max_mkey;
u8 log_max_pd;
u8 log_max_srq;
+ u8 log_max_strq;
+ u8 log_max_mrw_sz;
+ u8 log_max_bsf_list_size;
+ u8 log_max_klm_list_size;
u32 max_cqes;
int max_wqes;
+ u32 max_eqes;
+ u32 max_indirection;
int max_sq_desc_sz;
int max_rq_desc_sz;
+ int max_dc_sq_desc_sz;
u64 flags;
u16 stat_rate_support;
int log_max_msg;
int num_ports;
- int max_ra_res_qp;
- int max_ra_req_qp;
+ u8 log_max_ra_res_qp;
+ u8 log_max_ra_req_qp;
int max_srq_wqes;
int bf_reg_size;
int bf_regs_per_page;
u8 log_max_mcg;
u32 max_qp_mcg;
int min_page_sz;
+ int pd_cap;
+ u32 max_qp_counters;
+ u32 pkey_table_size;
+ u8 log_max_ra_req_dc;
+ u8 log_max_ra_res_dc;
+ u32 uar_sz;
+ u8 min_log_pg_sz;
+ u8 log_max_xrcd;
+ u16 log_uar_page_sz;
+};
+
+struct mlx5_caps {
+ struct mlx5_general_caps gen;
};
struct mlx5_cmd_mailbox {
void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
+int mlx5_core_get_caps(struct mlx5_core_dev *dev, struct mlx5_caps *caps,
+ u16 opmod);
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);
int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
projects / cascardo / linux.git / commitdiff