1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2020 Mellanox Technologies, Ltd 3 */ 4 5 #include <stddef.h> 6 #include <errno.h> 7 #include <string.h> 8 #include <stdint.h> 9 #include <unistd.h> 10 #include <inttypes.h> 11 12 /* Verbs header. */ 13 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ 14 #include "mlx5_autoconf.h" 15 #ifdef PEDANTIC 16 #pragma GCC diagnostic ignored "-Wpedantic" 17 #endif 18 #ifdef HAVE_INFINIBAND_VERBS_H 19 #include <infiniband/verbs.h> 20 #endif 21 #ifdef HAVE_INFINIBAND_MLX5DV_H 22 #include <infiniband/mlx5dv.h> 23 #endif 24 #ifdef PEDANTIC 25 #pragma GCC diagnostic error "-Wpedantic" 26 #endif 27 28 #include <rte_mbuf.h> 29 #include <rte_malloc.h> 30 #include <rte_ethdev_driver.h> 31 #include <rte_common.h> 32 33 #include <mlx5_glue.h> 34 #include <mlx5_common.h> 35 #include <mlx5_common_mr.h> 36 #include <mlx5_verbs.h> 37 /** 38 * Register mr. Given protection domain pointer, pointer to addr and length 39 * register the memory region. 40 * 41 * @param[in] pd 42 * Pointer to protection domain context. 43 * @param[in] addr 44 * Pointer to memory start address. 45 * @param[in] length 46 * Length of the memory to register. 47 * @param[out] pmd_mr 48 * pmd_mr struct set with lkey, address, length and pointer to mr object 49 * 50 * @return 51 * 0 on successful registration, -1 otherwise 52 */ 53 static int 54 mlx5_reg_mr(void *pd, void *addr, size_t length, 55 struct mlx5_pmd_mr *pmd_mr) 56 { 57 return mlx5_common_verbs_reg_mr(pd, addr, length, pmd_mr); 58 } 59 60 /** 61 * Deregister mr. Given the mlx5 pmd MR - deregister the MR 62 * 63 * @param[in] pmd_mr 64 * pmd_mr struct set with lkey, address, length and pointer to mr object 65 * 66 */ 67 static void 68 mlx5_dereg_mr(struct mlx5_pmd_mr *pmd_mr) 69 { 70 mlx5_common_verbs_dereg_mr(pmd_mr); 71 } 72 73 /* verbs operations. */ 74 const struct mlx5_verbs_ops mlx5_verbs_ops = { 75 .reg_mr = mlx5_reg_mr, 76 .dereg_mr = mlx5_dereg_mr, 77 }; 78