int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
int err;
wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride);
wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
wq->buf = wq_ctrl->buf.direct.buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *cqc, struct mlx5_cqwq *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
int err;
mlx5_core_init_cq_frag_buf(&wq->fbc, cqc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq),
&wq_ctrl->buf,
param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n",
err);
goto err_db_free;
}
wq->fbc.frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *qpc, struct mlx5_wq_qp *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
u16 sq_strides_offset;
u32 rq_pg_remainder;
int err;
mlx5_fill_fbc(MLX5_GET(qpc, qpc, log_rq_stride) + 4,
MLX5_GET(qpc, qpc, log_rq_size),
&wq->rq.fbc);
rq_pg_remainder = mlx5_wq_cyc_get_byte_size(&wq->rq) % PAGE_SIZE;
sq_strides_offset = rq_pg_remainder / MLX5_SEND_WQE_BB;
mlx5_fill_fbc_offset(ilog2(MLX5_SEND_WQE_BB),
MLX5_GET(qpc, qpc, log_sq_size),
sq_strides_offset,
&wq->sq.fbc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_qp_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
mlx5_qp_set_frag_buf(&wq_ctrl->buf, wq);
wq->rq.db = &wq_ctrl->db.db[MLX5_RCV_DBR];
wq->sq.db = &wq_ctrl->db.db[MLX5_SND_DBR];
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_ll *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_wqe_srq_next_seg *next_seg;
int max_direct = param->linear ? INT_MAX : 0;
int err;
int i;
wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride);
wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc() failed, %d\n", err);
return err;
}
err = mlx5_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq),
max_direct, &wq_ctrl->buf,
param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_buf_alloc() failed, %d\n", err);
goto err_db_free;
}
wq->buf = wq_ctrl->buf.direct.buf;
wq->db = wq_ctrl->db.db;
for (i = 0; i < wq->sz_m1; i++) {
next_seg = mlx5_wq_ll_get_wqe(wq, i);
next_seg->next_wqe_index = cpu_to_be16(i + 1);
}
next_seg = mlx5_wq_ll_get_wqe(wq, i);
wq->tail_next = &next_seg->next_wqe_index;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_ll *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_frag_buf_ctrl *fbc = &wq->fbc;
struct mlx5_wqe_srq_next_seg *next_seg;
int err;
int i;
mlx5_fill_fbc(MLX5_GET(wq, wqc, log_wq_stride),
MLX5_GET(wq, wqc, log_wq_sz),
fbc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
wq->fbc.frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
for (i = 0; i < fbc->sz_m1; i++) {
next_seg = mlx5_wq_ll_get_wqe(wq, i);
next_seg->next_wqe_index = cpu_to_be16(i + 1);
}
next_seg = mlx5_wq_ll_get_wqe(wq, i);
wq->tail_next = &next_seg->next_wqe_index;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_ib_destroy_srq(struct ib_srq *srq)
{
struct mlx5_ib_dev *dev = to_mdev(srq->device);
struct mlx5_ib_srq *msrq = to_msrq(srq);
mlx5_core_destroy_srq(&dev->mdev, &msrq->msrq);
if (srq->uobject) {
mlx5_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
ib_umem_release(msrq->umem);
} else {
kfree(msrq->wrid);
mlx5_buf_free(&dev->mdev, &msrq->buf);
mlx5_db_free(&dev->mdev, &msrq->db);
}
kfree(srq);
return 0;
}
int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *cqc, struct mlx5_cqwq *wq,
struct mlx5_frag_wq_ctrl *wq_ctrl)
{
int err;
wq->log_stride = 6 + MLX5_GET(cqc, cqc, cqe_sz);
wq->log_sz = MLX5_GET(cqc, cqc, log_cq_size);
wq->sz_m1 = (1 << wq->log_sz) - 1;
wq->log_frag_strides = PAGE_SHIFT - wq->log_stride;
wq->frag_sz_m1 = (1 << wq->log_frag_strides) - 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq),
&wq_ctrl->frag_buf,
param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n",
err);
goto err_db_free;
}
wq->frag_buf = wq_ctrl->frag_buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_frag_buf_ctrl *fbc = &wq->fbc;
int err;
mlx5_fill_fbc(MLX5_GET(wq, wqc, log_wq_stride),
MLX5_GET(wq, wqc, log_wq_sz),
fbc);
wq->sz = wq->fbc.sz_m1 + 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
fbc->frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
void mlx5_wq_destroy(struct mlx5_wq_ctrl *wq_ctrl)
{
mlx5_buf_free(wq_ctrl->mdev, &wq_ctrl->buf);
mlx5_db_free(wq_ctrl->mdev, &wq_ctrl->db);
}
static void destroy_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq)
{
kfree(srq->wrid);
mlx5_buf_free(dev->mdev, &srq->buf);
mlx5_db_free(dev->mdev, &srq->db);
}
static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
struct mlx5_create_srq_mbox_in **in, int buf_size,
int *inlen)
{
int err;
int i;
struct mlx5_wqe_srq_next_seg *next;
int page_shift;
int npages;
err = mlx5_db_alloc(dev->mdev, &srq->db);
if (err) {
mlx5_ib_warn(dev, "alloc dbell rec failed\n");
return err;
}
*srq->db.db = 0;
if (mlx5_buf_alloc(dev->mdev, buf_size, PAGE_SIZE * 2, &srq->buf)) {
mlx5_ib_dbg(dev, "buf alloc failed\n");
err = -ENOMEM;
goto err_db;
}
page_shift = srq->buf.page_shift;
srq->head = 0;
srq->tail = srq->msrq.max - 1;
srq->wqe_ctr = 0;
for (i = 0; i < srq->msrq.max; i++) {
next = get_wqe(srq, i);
next->next_wqe_index =
cpu_to_be16((i + 1) & (srq->msrq.max - 1));
}
npages = DIV_ROUND_UP(srq->buf.npages, 1 << (page_shift - PAGE_SHIFT));
mlx5_ib_dbg(dev, "buf_size %d, page_shift %d, npages %d, calc npages %d\n",
buf_size, page_shift, srq->buf.npages, npages);
*inlen = sizeof(**in) + sizeof(*(*in)->pas) * npages;
*in = mlx5_vzalloc(*inlen);
if (!*in) {
err = -ENOMEM;
goto err_buf;
}
mlx5_fill_page_array(&srq->buf, (*in)->pas);
srq->wrid = kmalloc(srq->msrq.max * sizeof(u64), GFP_KERNEL);
if (!srq->wrid) {
mlx5_ib_dbg(dev, "kmalloc failed %lu\n",
(unsigned long)(srq->msrq.max * sizeof(u64)));
err = -ENOMEM;
goto err_in;
}
srq->wq_sig = !!srq_signature;
(*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
return 0;
err_in:
mlx5_vfree(*in);
err_buf:
mlx5_buf_free(dev->mdev, &srq->buf);
err_db:
mlx5_db_free(dev->mdev, &srq->db);
return err;
}
static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
struct mlx5_srq_attr *in, int buf_size)
{
int err;
int i;
struct mlx5_wqe_srq_next_seg *next;
int page_shift;
int npages;
err = mlx5_db_alloc(dev->mdev, &srq->db);
if (err) {
mlx5_ib_warn(dev, "alloc dbell rec failed\n");
return err;
}
if (mlx5_buf_alloc(dev->mdev, buf_size, &srq->buf)) {
mlx5_ib_dbg(dev, "buf alloc failed\n");
err = -ENOMEM;
goto err_db;
}
page_shift = srq->buf.page_shift;
srq->head = 0;
srq->tail = srq->msrq.max - 1;
srq->wqe_ctr = 0;
for (i = 0; i < srq->msrq.max; i++) {
next = get_wqe(srq, i);
next->next_wqe_index =
cpu_to_be16((i + 1) & (srq->msrq.max - 1));
}
npages = DIV_ROUND_UP(srq->buf.npages, 1 << (page_shift - PAGE_SHIFT));
mlx5_ib_dbg(dev, "buf_size %d, page_shift %d, npages %d, calc npages %d\n",
buf_size, page_shift, srq->buf.npages, npages);
in->pas = mlx5_vzalloc(sizeof(*in->pas) * npages);
if (!in->pas) {
err = -ENOMEM;
goto err_buf;
}
mlx5_fill_page_array(&srq->buf, in->pas);
srq->wrid = kmalloc(srq->msrq.max * sizeof(u64), GFP_KERNEL);
if (!srq->wrid) {
mlx5_ib_dbg(dev, "kmalloc failed %lu\n",
(unsigned long)(srq->msrq.max * sizeof(u64)));
err = -ENOMEM;
goto err_in;
}
srq->wq_sig = !!srq_signature;
in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 &&
in->type == IB_SRQT_XRC)
in->user_index = MLX5_IB_DEFAULT_UIDX;
return 0;
err_in:
kvfree(in->pas);
err_buf:
mlx5_buf_free(dev->mdev, &srq->buf);
err_db:
mlx5_db_free(dev->mdev, &srq->db);
return err;
}
