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providers/mana: allocate/destroy MWs #1709

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providers/mana: allocate/destroy MWs #1709

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36 changes: 36 additions & 0 deletions providers/mana/mana.c
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,40 @@ int mana_dealloc_pd(struct ibv_pd *ibpd)
return 0;
}

static struct ibv_mw *
mana_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type)
{
struct ib_uverbs_alloc_mw_resp resp;
struct ibv_alloc_mw cmd;
struct ibv_mw *mw;
int ret;

mw = calloc(1, sizeof(*mw));
if (!mw)
return NULL;

ret = ibv_cmd_alloc_mw(pd, type, mw, &cmd, sizeof(cmd), &resp,
sizeof(resp));
if (ret) {
free(mw);
return NULL;
}

return mw;
}

static int mana_dealloc_mw(struct ibv_mw *mw)
{
int ret;

ret = ibv_cmd_dealloc_mw(mw);
if (ret)
return ret;

free(mw);
return 0;
}

struct ibv_mr *mana_reg_dmabuf_mr(struct ibv_pd *pd, uint64_t offset,
size_t length, uint64_t iova, int fd,
int access)
Expand Down Expand Up @@ -362,6 +396,7 @@ static void mana_async_event(struct ibv_context *context,
}

static const struct verbs_context_ops mana_ctx_ops = {
.alloc_mw = mana_alloc_mw,
.alloc_pd = mana_alloc_pd,
.alloc_dm = mana_alloc_dm,
.async_event = mana_async_event,
Expand All @@ -371,6 +406,7 @@ static const struct verbs_context_ops mana_ctx_ops = {
.create_qp_ex = mana_create_qp_ex,
.create_rwq_ind_table = mana_create_rwq_ind_table,
.create_wq = mana_create_wq,
.dealloc_mw = mana_dealloc_mw,
.dealloc_pd = mana_dealloc_pd,
.dereg_mr = mana_dereg_mr,
.destroy_cq = mana_destroy_cq,
Expand Down