net/mlx5: enable debug logs dynamically
[dpdk.git] / drivers / common / mlx5 / windows / mlx5_common_os.c
index 9ca850e..f2d781a 100644 (file)
@@ -13,6 +13,8 @@
 #include "mlx5_devx_cmds.h"
 #include "mlx5_common_utils.h"
 #include "mlx5_common.h"
+#include "mlx5_common_os.h"
+#include "mlx5_malloc.h"
 
 /**
  * Initialization routine for run-time dependency on external lib
@@ -69,3 +71,139 @@ mlx5_os_dealloc_pd(void *pd)
        mlx5_free(pd);
        return 0;
 }
+
+/**
+ * Register umem.
+ *
+ * @param[in] ctx
+ *   Pointer to context.
+ * @param[in] addr
+ *   Pointer to memory start address.
+ * @param[in] size
+ *   Size of the memory to register.
+ * @param[out] access
+ *   UMEM access type
+ *
+ * @return
+ *   umem on successful registration, NULL and errno otherwise
+ */
+void *
+mlx5_os_umem_reg(void *ctx, void *addr, size_t size, uint32_t access)
+{
+       struct mlx5_devx_umem *umem;
+
+       umem = mlx5_malloc(MLX5_MEM_ZERO,
+               (sizeof(*umem)), 0, SOCKET_ID_ANY);
+       if (!umem) {
+               errno = ENOMEM;
+               return NULL;
+       }
+       umem->umem_hdl = mlx5_glue->devx_umem_reg(ctx, addr, size, access,
+               &umem->umem_id);
+       if (!umem->umem_hdl) {
+               mlx5_free(umem);
+               return NULL;
+       }
+       umem->addr = addr;
+       return umem;
+}
+
+/**
+ * Deregister umem.
+ *
+ * @param[in] pumem
+ *   Pointer to umem.
+ *
+ * @return
+ *   0 on successful release, negative number otherwise
+ */
+int
+mlx5_os_umem_dereg(void *pumem)
+{
+       struct mlx5_devx_umem *umem;
+       int err = 0;
+
+       if (!pumem)
+               return err;
+       umem = pumem;
+       if (umem->umem_hdl)
+               err = mlx5_glue->devx_umem_dereg(umem->umem_hdl);
+       mlx5_free(umem);
+       return err;
+}
+
+/**
+ * Register mr. Given protection doamin pointer, pointer to addr and length
+ * register the memory region.
+ *
+ * @param[in] pd
+ *   Pointer to protection domain context (type mlx5_pd).
+ * @param[in] addr
+ *   Pointer to memory start address (type devx_device_ctx).
+ * @param[in] length
+ *   Lengtoh of the memory to register.
+ * @param[out] pmd_mr
+ *   pmd_mr struct set with lkey, address, length, pointer to mr object, mkey
+ *
+ * @return
+ *   0 on successful registration, -1 otherwise
+ */
+int
+mlx5_os_reg_mr(void *pd,
+              void *addr, size_t length, struct mlx5_pmd_mr *pmd_mr)
+{
+       struct mlx5_devx_mkey_attr mkey_attr;
+       struct mlx5_pd *mlx5_pd = (struct mlx5_pd *)pd;
+       struct mlx5_hca_attr attr;
+
+       if (!pd || !addr) {
+               rte_errno = EINVAL;
+               return -1;
+       }
+       memset(pmd_mr, 0, sizeof(*pmd_mr));
+       if (mlx5_devx_cmd_query_hca_attr(mlx5_pd->devx_ctx, &attr))
+               return -1;
+       pmd_mr->addr = addr;
+       pmd_mr->len = length;
+       pmd_mr->obj = mlx5_os_umem_reg(mlx5_pd->devx_ctx, pmd_mr->addr,
+                                      pmd_mr->len, IBV_ACCESS_LOCAL_WRITE);
+       if (!pmd_mr->obj)
+               return -1;
+       mkey_attr.addr = (uintptr_t)addr;
+       mkey_attr.size = length;
+       mkey_attr.umem_id = ((struct mlx5_devx_umem *)(pmd_mr->obj))->umem_id;
+       mkey_attr.pd = mlx5_pd->pdn;
+       mkey_attr.log_entity_size = 0;
+       mkey_attr.pg_access = 0;
+       mkey_attr.klm_array = NULL;
+       mkey_attr.klm_num = 0;
+       mkey_attr.relaxed_ordering_read = 0;
+       mkey_attr.relaxed_ordering_write = 0;
+       if (!haswell_broadwell_cpu) {
+               mkey_attr.relaxed_ordering_write = attr.relaxed_ordering_write;
+               mkey_attr.relaxed_ordering_read = attr.relaxed_ordering_read;
+       }
+       pmd_mr->mkey = mlx5_devx_cmd_mkey_create(mlx5_pd->devx_ctx, &mkey_attr);
+       if (!pmd_mr->mkey) {
+               claim_zero(mlx5_os_umem_dereg(pmd_mr->obj));
+               return -1;
+       }
+       pmd_mr->lkey = pmd_mr->mkey->id;
+       return 0;
+}
+
+/**
+ * De-register mr.
+ *
+ * @param[in] pmd_mr
+ *  Pointer to PMD mr object
+ */
+void
+mlx5_os_dereg_mr(struct mlx5_pmd_mr *pmd_mr)
+{
+       if (pmd_mr && pmd_mr->mkey)
+               claim_zero(mlx5_glue->devx_obj_destroy(pmd_mr->mkey->obj));
+       if (pmd_mr && pmd_mr->obj)
+               claim_zero(mlx5_os_umem_dereg(pmd_mr->obj));
+       memset(pmd_mr, 0, sizeof(*pmd_mr));
+}