1dc7e38acSHans Petter Selasky /*- 2b633e08cSHans Petter Selasky * Copyright (c) 2013-2021, Mellanox Technologies, Ltd. All rights reserved. 3dc7e38acSHans Petter Selasky * 4dc7e38acSHans Petter Selasky * Redistribution and use in source and binary forms, with or without 5dc7e38acSHans Petter Selasky * modification, are permitted provided that the following conditions 6dc7e38acSHans Petter Selasky * are met: 7dc7e38acSHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 8dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer. 9dc7e38acSHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 10dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 11dc7e38acSHans Petter Selasky * documentation and/or other materials provided with the distribution. 12dc7e38acSHans Petter Selasky * 13dc7e38acSHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14dc7e38acSHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15dc7e38acSHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16dc7e38acSHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17dc7e38acSHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18dc7e38acSHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19dc7e38acSHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20dc7e38acSHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21dc7e38acSHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22dc7e38acSHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23dc7e38acSHans Petter Selasky * SUCH DAMAGE. 24dc7e38acSHans Petter Selasky * 25dc7e38acSHans Petter Selasky * $FreeBSD$ 26dc7e38acSHans Petter Selasky */ 27dc7e38acSHans Petter Selasky 28ee9d634bSKonstantin Belousov #include "opt_rss.h" 29ee9d634bSKonstantin Belousov #include "opt_ratelimit.h" 30ee9d634bSKonstantin Belousov 31dc7e38acSHans Petter Selasky #include <linux/interrupt.h> 32dc7e38acSHans Petter Selasky #include <linux/module.h> 33d9142151SHans Petter Selasky #include <dev/mlx5/port.h> 34dc7e38acSHans Petter Selasky #include <dev/mlx5/mlx5_ifc.h> 35e5eae1dcSHans Petter Selasky #include <dev/mlx5/mlx5_fpga/core.h> 36dc7e38acSHans Petter Selasky #include "mlx5_core.h" 37bbcb656aSKonstantin Belousov #include "eswitch.h" 38dc7e38acSHans Petter Selasky 39278ce1c9SHans Petter Selasky #ifdef RSS 40278ce1c9SHans Petter Selasky #include <net/rss_config.h> 41278ce1c9SHans Petter Selasky #include <netinet/in_rss.h> 42278ce1c9SHans Petter Selasky #endif 43278ce1c9SHans Petter Selasky 44dc7e38acSHans Petter Selasky enum { 45dc7e38acSHans Petter Selasky MLX5_EQE_SIZE = sizeof(struct mlx5_eqe), 46dc7e38acSHans Petter Selasky MLX5_EQE_OWNER_INIT_VAL = 0x1, 47dc7e38acSHans Petter Selasky }; 48dc7e38acSHans Petter Selasky 49dc7e38acSHans Petter Selasky enum { 50dc7e38acSHans Petter Selasky MLX5_NUM_SPARE_EQE = 0x80, 51dc7e38acSHans Petter Selasky MLX5_NUM_ASYNC_EQE = 0x100, 52dc7e38acSHans Petter Selasky MLX5_NUM_CMD_EQE = 32, 53dc7e38acSHans Petter Selasky }; 54dc7e38acSHans Petter Selasky 55dc7e38acSHans Petter Selasky enum { 56dc7e38acSHans Petter Selasky MLX5_EQ_DOORBEL_OFFSET = 0x40, 57dc7e38acSHans Petter Selasky }; 58dc7e38acSHans Petter Selasky 59dc7e38acSHans Petter Selasky #define MLX5_ASYNC_EVENT_MASK ((1ull << MLX5_EVENT_TYPE_PATH_MIG) | \ 60dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_COMM_EST) | \ 61dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_SQ_DRAINED) | \ 62dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_CQ_ERROR) | \ 63dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_WQ_CATAS_ERROR) | \ 64dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_PATH_MIG_FAILED) | \ 65dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) | \ 66dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_WQ_ACCESS_ERROR) | \ 67dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_PORT_CHANGE) | \ 68dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_SRQ_CATAS_ERROR) | \ 69dc7e38acSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_SRQ_LAST_WQE) | \ 70bbcb656aSKonstantin Belousov (1ull << MLX5_EVENT_TYPE_SRQ_RQ_LIMIT) | \ 71bbcb656aSKonstantin Belousov (1ull << MLX5_EVENT_TYPE_NIC_VPORT_CHANGE)) 72dc7e38acSHans Petter Selasky 73dc7e38acSHans Petter Selasky struct map_eq_in { 74dc7e38acSHans Petter Selasky u64 mask; 75dc7e38acSHans Petter Selasky u32 reserved; 76dc7e38acSHans Petter Selasky u32 unmap_eqn; 77dc7e38acSHans Petter Selasky }; 78dc7e38acSHans Petter Selasky 79dc7e38acSHans Petter Selasky struct cre_des_eq { 80dc7e38acSHans Petter Selasky u8 reserved[15]; 81dc7e38acSHans Petter Selasky u8 eqn; 82dc7e38acSHans Petter Selasky }; 83dc7e38acSHans Petter Selasky 84dc7e38acSHans Petter Selasky /*Function prototype*/ 85dc7e38acSHans Petter Selasky static void mlx5_port_module_event(struct mlx5_core_dev *dev, 86dc7e38acSHans Petter Selasky struct mlx5_eqe *eqe); 876c7057f7SHans Petter Selasky static void mlx5_port_general_notification_event(struct mlx5_core_dev *dev, 886c7057f7SHans Petter Selasky struct mlx5_eqe *eqe); 89dc7e38acSHans Petter Selasky 90dc7e38acSHans Petter Selasky static int mlx5_cmd_destroy_eq(struct mlx5_core_dev *dev, u8 eqn) 91dc7e38acSHans Petter Selasky { 92788333d9SHans Petter Selasky u32 in[MLX5_ST_SZ_DW(destroy_eq_in)] = {0}; 93788333d9SHans Petter Selasky u32 out[MLX5_ST_SZ_DW(destroy_eq_out)] = {0}; 94dc7e38acSHans Petter Selasky 95dc7e38acSHans Petter Selasky MLX5_SET(destroy_eq_in, in, opcode, MLX5_CMD_OP_DESTROY_EQ); 96dc7e38acSHans Petter Selasky MLX5_SET(destroy_eq_in, in, eq_number, eqn); 97dc7e38acSHans Petter Selasky 98788333d9SHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 99dc7e38acSHans Petter Selasky } 100dc7e38acSHans Petter Selasky 101dc7e38acSHans Petter Selasky static struct mlx5_eqe *get_eqe(struct mlx5_eq *eq, u32 entry) 102dc7e38acSHans Petter Selasky { 103dc7e38acSHans Petter Selasky return mlx5_buf_offset(&eq->buf, entry * MLX5_EQE_SIZE); 104dc7e38acSHans Petter Selasky } 105dc7e38acSHans Petter Selasky 106dc7e38acSHans Petter Selasky static struct mlx5_eqe *next_eqe_sw(struct mlx5_eq *eq) 107dc7e38acSHans Petter Selasky { 108dc7e38acSHans Petter Selasky struct mlx5_eqe *eqe = get_eqe(eq, eq->cons_index & (eq->nent - 1)); 109dc7e38acSHans Petter Selasky 110dc7e38acSHans Petter Selasky return ((eqe->owner & 1) ^ !!(eq->cons_index & eq->nent)) ? NULL : eqe; 111dc7e38acSHans Petter Selasky } 112dc7e38acSHans Petter Selasky 113dc7e38acSHans Petter Selasky static const char *eqe_type_str(u8 type) 114dc7e38acSHans Petter Selasky { 115dc7e38acSHans Petter Selasky switch (type) { 116dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_COMP: 117dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_COMP"; 118dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PATH_MIG: 119dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_PATH_MIG"; 120dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_COMM_EST: 121dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_COMM_EST"; 122dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SQ_DRAINED: 123dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_SQ_DRAINED"; 124dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 125dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_SRQ_LAST_WQE"; 126dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_RQ_LIMIT: 127dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_SRQ_RQ_LIMIT"; 128dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CQ_ERROR: 129dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_CQ_ERROR"; 130dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 131dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_WQ_CATAS_ERROR"; 132dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 133dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_PATH_MIG_FAILED"; 134dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 135dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR"; 136dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 137dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_WQ_ACCESS_ERROR"; 138dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_CATAS_ERROR: 139dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_SRQ_CATAS_ERROR"; 140dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_INTERNAL_ERROR: 141dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_INTERNAL_ERROR"; 142dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PORT_CHANGE: 143dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_PORT_CHANGE"; 144dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_GPIO_EVENT: 145dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_GPIO_EVENT"; 146dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CODING_PORT_MODULE_EVENT: 147dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_PORT_MODULE_EVENT"; 148983026eaSHans Petter Selasky case MLX5_EVENT_TYPE_TEMP_WARN_EVENT: 149983026eaSHans Petter Selasky return "MLX5_EVENT_TYPE_TEMP_WARN_EVENT"; 150dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_REMOTE_CONFIG: 151dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_REMOTE_CONFIG"; 152dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_DB_BF_CONGESTION: 153dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_DB_BF_CONGESTION"; 154dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_STALL_EVENT: 155dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_STALL_EVENT"; 156dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CMD: 157dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_CMD"; 158dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PAGE_REQUEST: 159dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_PAGE_REQUEST"; 160dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_NIC_VPORT_CHANGE: 161dc7e38acSHans Petter Selasky return "MLX5_EVENT_TYPE_NIC_VPORT_CHANGE"; 162e5eae1dcSHans Petter Selasky case MLX5_EVENT_TYPE_FPGA_ERROR: 163e5eae1dcSHans Petter Selasky return "MLX5_EVENT_TYPE_FPGA_ERROR"; 164e5eae1dcSHans Petter Selasky case MLX5_EVENT_TYPE_FPGA_QP_ERROR: 165e5eae1dcSHans Petter Selasky return "MLX5_EVENT_TYPE_FPGA_QP_ERROR"; 166cb4e4a6eSHans Petter Selasky case MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT: 167cb4e4a6eSHans Petter Selasky return "MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT"; 1686c7057f7SHans Petter Selasky case MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT: 1696c7057f7SHans Petter Selasky return "MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT"; 170dc7e38acSHans Petter Selasky default: 171dc7e38acSHans Petter Selasky return "Unrecognized event"; 172dc7e38acSHans Petter Selasky } 173dc7e38acSHans Petter Selasky } 174dc7e38acSHans Petter Selasky 175dc7e38acSHans Petter Selasky static enum mlx5_dev_event port_subtype_event(u8 subtype) 176dc7e38acSHans Petter Selasky { 177dc7e38acSHans Petter Selasky switch (subtype) { 178dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_DOWN: 179dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_PORT_DOWN; 180dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE: 181dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_PORT_UP; 182dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED: 183dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_PORT_INITIALIZED; 184dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_LID: 185dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_LID_CHANGE; 186dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_PKEY: 187dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_PKEY_CHANGE; 188dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_GUID: 189dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_GUID_CHANGE; 190dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG: 191dc7e38acSHans Petter Selasky return MLX5_DEV_EVENT_CLIENT_REREG; 192dc7e38acSHans Petter Selasky } 193dc7e38acSHans Petter Selasky return -1; 194dc7e38acSHans Petter Selasky } 195dc7e38acSHans Petter Selasky 196cb4e4a6eSHans Petter Selasky static enum mlx5_dev_event dcbx_subevent(u8 subtype) 197cb4e4a6eSHans Petter Selasky { 198cb4e4a6eSHans Petter Selasky switch (subtype) { 199cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_ERROR_STATE_DCBX: 200cb4e4a6eSHans Petter Selasky return MLX5_DEV_EVENT_ERROR_STATE_DCBX; 201cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_CHANGE: 202cb4e4a6eSHans Petter Selasky return MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE; 203cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_LOCAL_OPER_CHANGE: 204cb4e4a6eSHans Petter Selasky return MLX5_DEV_EVENT_LOCAL_OPER_CHANGE; 205cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_APP_PRIORITY_CHANGE: 206cb4e4a6eSHans Petter Selasky return MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE; 207cb4e4a6eSHans Petter Selasky } 208cb4e4a6eSHans Petter Selasky return -1; 209cb4e4a6eSHans Petter Selasky } 210cb4e4a6eSHans Petter Selasky 211dc7e38acSHans Petter Selasky static void eq_update_ci(struct mlx5_eq *eq, int arm) 212dc7e38acSHans Petter Selasky { 213dc7e38acSHans Petter Selasky __be32 __iomem *addr = eq->doorbell + (arm ? 0 : 2); 214dc7e38acSHans Petter Selasky u32 val = (eq->cons_index & 0xffffff) | (eq->eqn << 24); 215dc7e38acSHans Petter Selasky __raw_writel((__force u32) cpu_to_be32(val), addr); 216dc7e38acSHans Petter Selasky /* We still want ordering, just not swabbing, so add a barrier */ 217dc7e38acSHans Petter Selasky mb(); 218dc7e38acSHans Petter Selasky } 219dc7e38acSHans Petter Selasky 220983026eaSHans Petter Selasky static void 221983026eaSHans Petter Selasky mlx5_temp_warning_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe) 222983026eaSHans Petter Selasky { 223983026eaSHans Petter Selasky 224983026eaSHans Petter Selasky mlx5_core_warn(dev, 22595c05e05SHans Petter Selasky "High temperature on sensors with bit set %#jx %#jx\n", 226983026eaSHans Petter Selasky (uintmax_t)be64_to_cpu(eqe->data.temp_warning.sensor_warning_msb), 227983026eaSHans Petter Selasky (uintmax_t)be64_to_cpu(eqe->data.temp_warning.sensor_warning_lsb)); 228983026eaSHans Petter Selasky } 229983026eaSHans Petter Selasky 230dc7e38acSHans Petter Selasky static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq) 231dc7e38acSHans Petter Selasky { 232dc7e38acSHans Petter Selasky struct mlx5_eqe *eqe; 233dc7e38acSHans Petter Selasky int eqes_found = 0; 234dc7e38acSHans Petter Selasky int set_ci = 0; 235dc7e38acSHans Petter Selasky u32 cqn; 236dc7e38acSHans Petter Selasky u32 rsn; 237dc7e38acSHans Petter Selasky u8 port; 238dc7e38acSHans Petter Selasky 239dc7e38acSHans Petter Selasky while ((eqe = next_eqe_sw(eq))) { 240dc7e38acSHans Petter Selasky /* 241dc7e38acSHans Petter Selasky * Make sure we read EQ entry contents after we've 242dc7e38acSHans Petter Selasky * checked the ownership bit. 243dc7e38acSHans Petter Selasky */ 24492d8df2fSKonstantin Belousov atomic_thread_fence_acq(); 245dc7e38acSHans Petter Selasky 246dc7e38acSHans Petter Selasky mlx5_core_dbg(eq->dev, "eqn %d, eqe type %s\n", 247dc7e38acSHans Petter Selasky eq->eqn, eqe_type_str(eqe->type)); 248b633e08cSHans Petter Selasky 249b633e08cSHans Petter Selasky if (dev->priv.eq_table.cb != NULL && 250b633e08cSHans Petter Selasky dev->priv.eq_table.cb(dev, eqe->type, &eqe->data)) { 251b633e08cSHans Petter Selasky /* FALLTHROUGH */ 252b633e08cSHans Petter Selasky } else switch (eqe->type) { 253dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_COMP: 254f34f0a65SHans Petter Selasky mlx5_cq_completion(dev, eqe); 255dc7e38acSHans Petter Selasky break; 256dc7e38acSHans Petter Selasky 257dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PATH_MIG: 258dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_COMM_EST: 259dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SQ_DRAINED: 260dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 261dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 262dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 263dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 264dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 265dc7e38acSHans Petter Selasky rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff; 266dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "event %s(%d) arrived on resource 0x%x\n", 267dc7e38acSHans Petter Selasky eqe_type_str(eqe->type), eqe->type, rsn); 268dc7e38acSHans Petter Selasky mlx5_rsc_event(dev, rsn, eqe->type); 269dc7e38acSHans Petter Selasky break; 270dc7e38acSHans Petter Selasky 271dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_RQ_LIMIT: 272dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_SRQ_CATAS_ERROR: 273dc7e38acSHans Petter Selasky rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff; 274dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "SRQ event %s(%d): srqn 0x%x\n", 275dc7e38acSHans Petter Selasky eqe_type_str(eqe->type), eqe->type, rsn); 276dc7e38acSHans Petter Selasky mlx5_srq_event(dev, rsn, eqe->type); 277dc7e38acSHans Petter Selasky break; 278dc7e38acSHans Petter Selasky 279dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CMD: 280721a1a6aSSlava Shwartsman if (dev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 281721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector), 282721a1a6aSSlava Shwartsman MLX5_CMD_MODE_EVENTS); 283721a1a6aSSlava Shwartsman } 284dc7e38acSHans Petter Selasky break; 285dc7e38acSHans Petter Selasky 286dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PORT_CHANGE: 287dc7e38acSHans Petter Selasky port = (eqe->data.port.port >> 4) & 0xf; 288dc7e38acSHans Petter Selasky switch (eqe->sub_type) { 289dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_DOWN: 290dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE: 291dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_LID: 292dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_PKEY: 293dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_GUID: 294dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG: 295dc7e38acSHans Petter Selasky case MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED: 296dc7e38acSHans Petter Selasky if (dev->event) 297dc7e38acSHans Petter Selasky dev->event(dev, port_subtype_event(eqe->sub_type), 298dc7e38acSHans Petter Selasky (unsigned long)port); 299dc7e38acSHans Petter Selasky break; 300dc7e38acSHans Petter Selasky default: 301dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "Port event with unrecognized subtype: port %d, sub_type %d\n", 302dc7e38acSHans Petter Selasky port, eqe->sub_type); 303dc7e38acSHans Petter Selasky } 304dc7e38acSHans Petter Selasky break; 305cb4e4a6eSHans Petter Selasky 306cb4e4a6eSHans Petter Selasky case MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT: 307cb4e4a6eSHans Petter Selasky port = (eqe->data.port.port >> 4) & 0xf; 308cb4e4a6eSHans Petter Selasky switch (eqe->sub_type) { 309cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_ERROR_STATE_DCBX: 310cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_CHANGE: 311cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_LOCAL_OPER_CHANGE: 312cb4e4a6eSHans Petter Selasky case MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_APP_PRIORITY_CHANGE: 313cb4e4a6eSHans Petter Selasky if (dev->event) 314cb4e4a6eSHans Petter Selasky dev->event(dev, 315cb4e4a6eSHans Petter Selasky dcbx_subevent(eqe->sub_type), 316cb4e4a6eSHans Petter Selasky 0); 317cb4e4a6eSHans Petter Selasky break; 318cb4e4a6eSHans Petter Selasky default: 319cb4e4a6eSHans Petter Selasky mlx5_core_warn(dev, 320cb4e4a6eSHans Petter Selasky "dcbx event with unrecognized subtype: port %d, sub_type %d\n", 321cb4e4a6eSHans Petter Selasky port, eqe->sub_type); 322cb4e4a6eSHans Petter Selasky } 323cb4e4a6eSHans Petter Selasky break; 324cb4e4a6eSHans Petter Selasky 3256c7057f7SHans Petter Selasky case MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT: 3266c7057f7SHans Petter Selasky mlx5_port_general_notification_event(dev, eqe); 3276c7057f7SHans Petter Selasky break; 3286c7057f7SHans Petter Selasky 329dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CQ_ERROR: 330dc7e38acSHans Petter Selasky cqn = be32_to_cpu(eqe->data.cq_err.cqn) & 0xffffff; 331dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "CQ error on CQN 0x%x, syndrom 0x%x\n", 332dc7e38acSHans Petter Selasky cqn, eqe->data.cq_err.syndrome); 333dc7e38acSHans Petter Selasky mlx5_cq_event(dev, cqn, eqe->type); 334dc7e38acSHans Petter Selasky break; 335dc7e38acSHans Petter Selasky 336dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_PAGE_REQUEST: 337dc7e38acSHans Petter Selasky { 338dc7e38acSHans Petter Selasky u16 func_id = be16_to_cpu(eqe->data.req_pages.func_id); 339dc7e38acSHans Petter Selasky s32 npages = be32_to_cpu(eqe->data.req_pages.num_pages); 340dc7e38acSHans Petter Selasky 341dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "page request for func 0x%x, npages %d\n", 342dc7e38acSHans Petter Selasky func_id, npages); 343dc7e38acSHans Petter Selasky mlx5_core_req_pages_handler(dev, func_id, npages); 344dc7e38acSHans Petter Selasky } 345dc7e38acSHans Petter Selasky break; 346dc7e38acSHans Petter Selasky 347dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_CODING_PORT_MODULE_EVENT: 348dc7e38acSHans Petter Selasky mlx5_port_module_event(dev, eqe); 349dc7e38acSHans Petter Selasky break; 350dc7e38acSHans Petter Selasky 351dc7e38acSHans Petter Selasky case MLX5_EVENT_TYPE_NIC_VPORT_CHANGE: 352dc7e38acSHans Petter Selasky { 353dc7e38acSHans Petter Selasky struct mlx5_eqe_vport_change *vc_eqe = 354dc7e38acSHans Petter Selasky &eqe->data.vport_change; 355dc7e38acSHans Petter Selasky u16 vport_num = be16_to_cpu(vc_eqe->vport_num); 356dc7e38acSHans Petter Selasky 357dc7e38acSHans Petter Selasky if (dev->event) 358dc7e38acSHans Petter Selasky dev->event(dev, 359dc7e38acSHans Petter Selasky MLX5_DEV_EVENT_VPORT_CHANGE, 360dc7e38acSHans Petter Selasky (unsigned long)vport_num); 361dc7e38acSHans Petter Selasky } 362bbcb656aSKonstantin Belousov if (dev->priv.eswitch != NULL) 363bbcb656aSKonstantin Belousov mlx5_eswitch_vport_event(dev->priv.eswitch, 364bbcb656aSKonstantin Belousov eqe); 365dc7e38acSHans Petter Selasky break; 366dc7e38acSHans Petter Selasky 367e5eae1dcSHans Petter Selasky case MLX5_EVENT_TYPE_FPGA_ERROR: 368e5eae1dcSHans Petter Selasky case MLX5_EVENT_TYPE_FPGA_QP_ERROR: 369e5eae1dcSHans Petter Selasky mlx5_fpga_event(dev, eqe->type, &eqe->data.raw); 370e5eae1dcSHans Petter Selasky break; 371983026eaSHans Petter Selasky case MLX5_EVENT_TYPE_TEMP_WARN_EVENT: 372983026eaSHans Petter Selasky mlx5_temp_warning_event(dev, eqe); 373983026eaSHans Petter Selasky break; 374e5eae1dcSHans Petter Selasky 375dc7e38acSHans Petter Selasky default: 376dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "Unhandled event 0x%x on EQ 0x%x\n", 377dc7e38acSHans Petter Selasky eqe->type, eq->eqn); 378dc7e38acSHans Petter Selasky break; 379dc7e38acSHans Petter Selasky } 380dc7e38acSHans Petter Selasky 381dc7e38acSHans Petter Selasky ++eq->cons_index; 382dc7e38acSHans Petter Selasky eqes_found = 1; 383dc7e38acSHans Petter Selasky ++set_ci; 384dc7e38acSHans Petter Selasky 385dc7e38acSHans Petter Selasky /* The HCA will think the queue has overflowed if we 386dc7e38acSHans Petter Selasky * don't tell it we've been processing events. We 387dc7e38acSHans Petter Selasky * create our EQs with MLX5_NUM_SPARE_EQE extra 388dc7e38acSHans Petter Selasky * entries, so we must update our consumer index at 389dc7e38acSHans Petter Selasky * least that often. 390dc7e38acSHans Petter Selasky */ 391dc7e38acSHans Petter Selasky if (unlikely(set_ci >= MLX5_NUM_SPARE_EQE)) { 392dc7e38acSHans Petter Selasky eq_update_ci(eq, 0); 393dc7e38acSHans Petter Selasky set_ci = 0; 394dc7e38acSHans Petter Selasky } 395dc7e38acSHans Petter Selasky } 396dc7e38acSHans Petter Selasky 397dc7e38acSHans Petter Selasky eq_update_ci(eq, 1); 398dc7e38acSHans Petter Selasky 399dc7e38acSHans Petter Selasky return eqes_found; 400dc7e38acSHans Petter Selasky } 401dc7e38acSHans Petter Selasky 402dc7e38acSHans Petter Selasky static irqreturn_t mlx5_msix_handler(int irq, void *eq_ptr) 403dc7e38acSHans Petter Selasky { 404dc7e38acSHans Petter Selasky struct mlx5_eq *eq = eq_ptr; 405dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = eq->dev; 406dc7e38acSHans Petter Selasky 407192fc18dSHans Petter Selasky /* check if IRQs are not disabled */ 408192fc18dSHans Petter Selasky if (likely(dev->priv.disable_irqs == 0)) 409dc7e38acSHans Petter Selasky mlx5_eq_int(dev, eq); 410dc7e38acSHans Petter Selasky 411dc7e38acSHans Petter Selasky /* MSI-X vectors always belong to us */ 412dc7e38acSHans Petter Selasky return IRQ_HANDLED; 413dc7e38acSHans Petter Selasky } 414dc7e38acSHans Petter Selasky 415dc7e38acSHans Petter Selasky static void init_eq_buf(struct mlx5_eq *eq) 416dc7e38acSHans Petter Selasky { 417dc7e38acSHans Petter Selasky struct mlx5_eqe *eqe; 418dc7e38acSHans Petter Selasky int i; 419dc7e38acSHans Petter Selasky 420dc7e38acSHans Petter Selasky for (i = 0; i < eq->nent; i++) { 421dc7e38acSHans Petter Selasky eqe = get_eqe(eq, i); 422dc7e38acSHans Petter Selasky eqe->owner = MLX5_EQE_OWNER_INIT_VAL; 423dc7e38acSHans Petter Selasky } 424dc7e38acSHans Petter Selasky } 425dc7e38acSHans Petter Selasky 426dc7e38acSHans Petter Selasky int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, 427f8f5b459SHans Petter Selasky int nent, u64 mask) 428dc7e38acSHans Petter Selasky { 429788333d9SHans Petter Selasky u32 out[MLX5_ST_SZ_DW(create_eq_out)] = {0}; 430dc7e38acSHans Petter Selasky struct mlx5_priv *priv = &dev->priv; 431788333d9SHans Petter Selasky __be64 *pas; 432788333d9SHans Petter Selasky void *eqc; 433dc7e38acSHans Petter Selasky int inlen; 434788333d9SHans Petter Selasky u32 *in; 435788333d9SHans Petter Selasky int err; 436dc7e38acSHans Petter Selasky 437dc7e38acSHans Petter Selasky eq->nent = roundup_pow_of_two(nent + MLX5_NUM_SPARE_EQE); 438a2485fe5SHans Petter Selasky eq->cons_index = 0; 439dc7e38acSHans Petter Selasky err = mlx5_buf_alloc(dev, eq->nent * MLX5_EQE_SIZE, 2 * PAGE_SIZE, 440dc7e38acSHans Petter Selasky &eq->buf); 441dc7e38acSHans Petter Selasky if (err) 442dc7e38acSHans Petter Selasky return err; 443dc7e38acSHans Petter Selasky 444dc7e38acSHans Petter Selasky init_eq_buf(eq); 445dc7e38acSHans Petter Selasky 446788333d9SHans Petter Selasky inlen = MLX5_ST_SZ_BYTES(create_eq_in) + 447788333d9SHans Petter Selasky MLX5_FLD_SZ_BYTES(create_eq_in, pas[0]) * eq->buf.npages; 448dc7e38acSHans Petter Selasky in = mlx5_vzalloc(inlen); 449dc7e38acSHans Petter Selasky if (!in) { 450dc7e38acSHans Petter Selasky err = -ENOMEM; 451dc7e38acSHans Petter Selasky goto err_buf; 452dc7e38acSHans Petter Selasky } 453dc7e38acSHans Petter Selasky 454788333d9SHans Petter Selasky pas = (__be64 *)MLX5_ADDR_OF(create_eq_in, in, pas); 455788333d9SHans Petter Selasky mlx5_fill_page_array(&eq->buf, pas); 456dc7e38acSHans Petter Selasky 457788333d9SHans Petter Selasky MLX5_SET(create_eq_in, in, opcode, MLX5_CMD_OP_CREATE_EQ); 458788333d9SHans Petter Selasky MLX5_SET64(create_eq_in, in, event_bitmask, mask); 459dc7e38acSHans Petter Selasky 460788333d9SHans Petter Selasky eqc = MLX5_ADDR_OF(create_eq_in, in, eq_context_entry); 461788333d9SHans Petter Selasky MLX5_SET(eqc, eqc, log_eq_size, ilog2(eq->nent)); 462f8f5b459SHans Petter Selasky MLX5_SET(eqc, eqc, uar_page, priv->uar->index); 463788333d9SHans Petter Selasky MLX5_SET(eqc, eqc, intr, vecidx); 464788333d9SHans Petter Selasky MLX5_SET(eqc, eqc, log_page_size, 465788333d9SHans Petter Selasky eq->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 466788333d9SHans Petter Selasky 467788333d9SHans Petter Selasky err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 468dc7e38acSHans Petter Selasky if (err) 469dc7e38acSHans Petter Selasky goto err_in; 470dc7e38acSHans Petter Selasky 471788333d9SHans Petter Selasky eq->eqn = MLX5_GET(create_eq_out, out, eq_number); 472dc7e38acSHans Petter Selasky eq->irqn = vecidx; 473dc7e38acSHans Petter Selasky eq->dev = dev; 474f8f5b459SHans Petter Selasky eq->doorbell = priv->uar->map + MLX5_EQ_DOORBEL_OFFSET; 475dc7e38acSHans Petter Selasky err = request_irq(priv->msix_arr[vecidx].vector, mlx5_msix_handler, 0, 4766226306bSHans Petter Selasky "mlx5_core", eq); 477dc7e38acSHans Petter Selasky if (err) 478dc7e38acSHans Petter Selasky goto err_eq; 479278ce1c9SHans Petter Selasky #ifdef RSS 480278ce1c9SHans Petter Selasky if (vecidx >= MLX5_EQ_VEC_COMP_BASE) { 481278ce1c9SHans Petter Selasky u8 bucket = vecidx - MLX5_EQ_VEC_COMP_BASE; 482278ce1c9SHans Petter Selasky err = bind_irq_to_cpu(priv->msix_arr[vecidx].vector, 483278ce1c9SHans Petter Selasky rss_getcpu(bucket % rss_getnumbuckets())); 484278ce1c9SHans Petter Selasky if (err) 485278ce1c9SHans Petter Selasky goto err_irq; 486278ce1c9SHans Petter Selasky } 487278ce1c9SHans Petter Selasky #else 488278ce1c9SHans Petter Selasky if (0) 489278ce1c9SHans Petter Selasky goto err_irq; 490278ce1c9SHans Petter Selasky #endif 491dc7e38acSHans Petter Selasky 492dc7e38acSHans Petter Selasky 493dc7e38acSHans Petter Selasky /* EQs are created in ARMED state 494dc7e38acSHans Petter Selasky */ 495dc7e38acSHans Petter Selasky eq_update_ci(eq, 1); 496dc7e38acSHans Petter Selasky 497dc7e38acSHans Petter Selasky kvfree(in); 498dc7e38acSHans Petter Selasky return 0; 499dc7e38acSHans Petter Selasky 500278ce1c9SHans Petter Selasky err_irq: 501278ce1c9SHans Petter Selasky free_irq(priv->msix_arr[vecidx].vector, eq); 502dc7e38acSHans Petter Selasky 503dc7e38acSHans Petter Selasky err_eq: 504dc7e38acSHans Petter Selasky mlx5_cmd_destroy_eq(dev, eq->eqn); 505dc7e38acSHans Petter Selasky 506dc7e38acSHans Petter Selasky err_in: 507dc7e38acSHans Petter Selasky kvfree(in); 508dc7e38acSHans Petter Selasky 509dc7e38acSHans Petter Selasky err_buf: 510dc7e38acSHans Petter Selasky mlx5_buf_free(dev, &eq->buf); 511dc7e38acSHans Petter Selasky return err; 512dc7e38acSHans Petter Selasky } 513dc7e38acSHans Petter Selasky EXPORT_SYMBOL_GPL(mlx5_create_map_eq); 514dc7e38acSHans Petter Selasky 515dc7e38acSHans Petter Selasky int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq) 516dc7e38acSHans Petter Selasky { 517dc7e38acSHans Petter Selasky int err; 518dc7e38acSHans Petter Selasky 519dc7e38acSHans Petter Selasky free_irq(dev->priv.msix_arr[eq->irqn].vector, eq); 520dc7e38acSHans Petter Selasky err = mlx5_cmd_destroy_eq(dev, eq->eqn); 521dc7e38acSHans Petter Selasky if (err) 522dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to destroy a previously created eq: eqn %d\n", 523dc7e38acSHans Petter Selasky eq->eqn); 524dc7e38acSHans Petter Selasky mlx5_buf_free(dev, &eq->buf); 525dc7e38acSHans Petter Selasky 526dc7e38acSHans Petter Selasky return err; 527dc7e38acSHans Petter Selasky } 528dc7e38acSHans Petter Selasky EXPORT_SYMBOL_GPL(mlx5_destroy_unmap_eq); 529dc7e38acSHans Petter Selasky 530dc7e38acSHans Petter Selasky int mlx5_eq_init(struct mlx5_core_dev *dev) 531dc7e38acSHans Petter Selasky { 532dc7e38acSHans Petter Selasky int err; 533dc7e38acSHans Petter Selasky 534dc7e38acSHans Petter Selasky spin_lock_init(&dev->priv.eq_table.lock); 535dc7e38acSHans Petter Selasky 536dc7e38acSHans Petter Selasky err = 0; 537dc7e38acSHans Petter Selasky 538dc7e38acSHans Petter Selasky return err; 539dc7e38acSHans Petter Selasky } 540dc7e38acSHans Petter Selasky 541dc7e38acSHans Petter Selasky 542dc7e38acSHans Petter Selasky void mlx5_eq_cleanup(struct mlx5_core_dev *dev) 543dc7e38acSHans Petter Selasky { 544dc7e38acSHans Petter Selasky } 545dc7e38acSHans Petter Selasky 546dc7e38acSHans Petter Selasky int mlx5_start_eqs(struct mlx5_core_dev *dev) 547dc7e38acSHans Petter Selasky { 548dc7e38acSHans Petter Selasky struct mlx5_eq_table *table = &dev->priv.eq_table; 549a4d6b007SHans Petter Selasky u64 async_event_mask = MLX5_ASYNC_EVENT_MASK; 550dc7e38acSHans Petter Selasky int err; 551dc7e38acSHans Petter Selasky 552dc7e38acSHans Petter Selasky if (MLX5_CAP_GEN(dev, port_module_event)) 553dc7e38acSHans Petter Selasky async_event_mask |= (1ull << 554dc7e38acSHans Petter Selasky MLX5_EVENT_TYPE_CODING_PORT_MODULE_EVENT); 555dc7e38acSHans Petter Selasky 55698a998d5SHans Petter Selasky if (MLX5_CAP_GEN(dev, nic_vport_change_event)) 55798a998d5SHans Petter Selasky async_event_mask |= (1ull << 55898a998d5SHans Petter Selasky MLX5_EVENT_TYPE_NIC_VPORT_CHANGE); 55998a998d5SHans Petter Selasky 560cb4e4a6eSHans Petter Selasky if (MLX5_CAP_GEN(dev, dcbx)) 561cb4e4a6eSHans Petter Selasky async_event_mask |= (1ull << 562cb4e4a6eSHans Petter Selasky MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT); 563cb4e4a6eSHans Petter Selasky 564e5eae1dcSHans Petter Selasky if (MLX5_CAP_GEN(dev, fpga)) 565e5eae1dcSHans Petter Selasky async_event_mask |= (1ull << MLX5_EVENT_TYPE_FPGA_ERROR) | 566e5eae1dcSHans Petter Selasky (1ull << MLX5_EVENT_TYPE_FPGA_QP_ERROR); 567e5eae1dcSHans Petter Selasky 568983026eaSHans Petter Selasky if (MLX5_CAP_GEN(dev, temp_warn_event)) 569983026eaSHans Petter Selasky async_event_mask |= (1ull << MLX5_EVENT_TYPE_TEMP_WARN_EVENT); 570983026eaSHans Petter Selasky 571adb6fd50SHans Petter Selasky if (MLX5_CAP_GEN(dev, general_notification_event)) { 572adb6fd50SHans Petter Selasky async_event_mask |= (1ull << 573adb6fd50SHans Petter Selasky MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT); 574adb6fd50SHans Petter Selasky } 575adb6fd50SHans Petter Selasky 576dc7e38acSHans Petter Selasky err = mlx5_create_map_eq(dev, &table->cmd_eq, MLX5_EQ_VEC_CMD, 577f8f5b459SHans Petter Selasky MLX5_NUM_CMD_EQE, 1ull << MLX5_EVENT_TYPE_CMD); 578dc7e38acSHans Petter Selasky if (err) { 579dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to create cmd EQ %d\n", err); 580dc7e38acSHans Petter Selasky return err; 581dc7e38acSHans Petter Selasky } 582dc7e38acSHans Petter Selasky 583dc7e38acSHans Petter Selasky mlx5_cmd_use_events(dev); 584dc7e38acSHans Petter Selasky 585dc7e38acSHans Petter Selasky err = mlx5_create_map_eq(dev, &table->async_eq, MLX5_EQ_VEC_ASYNC, 586f8f5b459SHans Petter Selasky MLX5_NUM_ASYNC_EQE, async_event_mask); 587dc7e38acSHans Petter Selasky if (err) { 588dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to create async EQ %d\n", err); 589dc7e38acSHans Petter Selasky goto err1; 590dc7e38acSHans Petter Selasky } 591dc7e38acSHans Petter Selasky 592dc7e38acSHans Petter Selasky err = mlx5_create_map_eq(dev, &table->pages_eq, 593dc7e38acSHans Petter Selasky MLX5_EQ_VEC_PAGES, 594dc7e38acSHans Petter Selasky /* TODO: sriov max_vf + */ 1, 595f8f5b459SHans Petter Selasky 1 << MLX5_EVENT_TYPE_PAGE_REQUEST); 596dc7e38acSHans Petter Selasky if (err) { 597dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to create pages EQ %d\n", err); 598dc7e38acSHans Petter Selasky goto err2; 599dc7e38acSHans Petter Selasky } 600dc7e38acSHans Petter Selasky 601dc7e38acSHans Petter Selasky return err; 602dc7e38acSHans Petter Selasky 603dc7e38acSHans Petter Selasky err2: 604dc7e38acSHans Petter Selasky mlx5_destroy_unmap_eq(dev, &table->async_eq); 605dc7e38acSHans Petter Selasky 606dc7e38acSHans Petter Selasky err1: 607dc7e38acSHans Petter Selasky mlx5_cmd_use_polling(dev); 608dc7e38acSHans Petter Selasky mlx5_destroy_unmap_eq(dev, &table->cmd_eq); 609dc7e38acSHans Petter Selasky return err; 610dc7e38acSHans Petter Selasky } 611dc7e38acSHans Petter Selasky 612dc7e38acSHans Petter Selasky int mlx5_stop_eqs(struct mlx5_core_dev *dev) 613dc7e38acSHans Petter Selasky { 614dc7e38acSHans Petter Selasky struct mlx5_eq_table *table = &dev->priv.eq_table; 615dc7e38acSHans Petter Selasky int err; 616dc7e38acSHans Petter Selasky 617dc7e38acSHans Petter Selasky err = mlx5_destroy_unmap_eq(dev, &table->pages_eq); 618dc7e38acSHans Petter Selasky if (err) 619dc7e38acSHans Petter Selasky return err; 620dc7e38acSHans Petter Selasky 621dc7e38acSHans Petter Selasky mlx5_destroy_unmap_eq(dev, &table->async_eq); 622dc7e38acSHans Petter Selasky mlx5_cmd_use_polling(dev); 623dc7e38acSHans Petter Selasky 624dc7e38acSHans Petter Selasky err = mlx5_destroy_unmap_eq(dev, &table->cmd_eq); 625dc7e38acSHans Petter Selasky if (err) 626dc7e38acSHans Petter Selasky mlx5_cmd_use_events(dev); 627dc7e38acSHans Petter Selasky 628dc7e38acSHans Petter Selasky return err; 629dc7e38acSHans Petter Selasky } 630dc7e38acSHans Petter Selasky 631dc7e38acSHans Petter Selasky int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, 632788333d9SHans Petter Selasky u32 *out, int outlen) 633dc7e38acSHans Petter Selasky { 634788333d9SHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_eq_in)] = {0}; 635dc7e38acSHans Petter Selasky 636dc7e38acSHans Petter Selasky memset(out, 0, outlen); 637788333d9SHans Petter Selasky MLX5_SET(query_eq_in, in, opcode, MLX5_CMD_OP_QUERY_EQ); 638788333d9SHans Petter Selasky MLX5_SET(query_eq_in, in, eq_number, eq->eqn); 639dc7e38acSHans Petter Selasky 640788333d9SHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); 641dc7e38acSHans Petter Selasky } 642dc7e38acSHans Petter Selasky EXPORT_SYMBOL_GPL(mlx5_core_eq_query); 643dc7e38acSHans Petter Selasky 644dc7e38acSHans Petter Selasky static const char *mlx5_port_module_event_error_type_to_string(u8 error_type) 645dc7e38acSHans Petter Selasky { 646dc7e38acSHans Petter Selasky switch (error_type) { 647dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED: 648111b57c3SHans Petter Selasky return "Power budget exceeded"; 649dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE: 650111b57c3SHans Petter Selasky return "Long Range for non MLNX cable"; 651dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_BUS_STUCK: 652dc7e38acSHans Petter Selasky return "Bus stuck(I2C or data shorted)"; 653dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT: 654dc7e38acSHans Petter Selasky return "No EEPROM/retry timeout"; 655dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST: 656dc7e38acSHans Petter Selasky return "Enforce part number list"; 657ecb4fcc4SHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_UNSUPPORTED_CABLE: 658111b57c3SHans Petter Selasky return "Unknown identifier"; 659dc7e38acSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE: 660dc7e38acSHans Petter Selasky return "High Temperature"; 661cb4e4a6eSHans Petter Selasky case MLX5_MODULE_EVENT_ERROR_CABLE_IS_SHORTED: 662111b57c3SHans Petter Selasky return "Bad or shorted cable/module"; 6636418350cSKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_PMD_TYPE_NOT_ENABLED: 6646418350cSKonstantin Belousov return "PMD type is not enabled"; 665d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_LASTER_TEC_FAILURE: 666d0a40683SKonstantin Belousov return "Laster_TEC_failure"; 667d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_HIGH_CURRENT: 668d0a40683SKonstantin Belousov return "High_current"; 669d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_HIGH_VOLTAGE: 670d0a40683SKonstantin Belousov return "High_voltage"; 671d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_PCIE_SYS_POWER_SLOT_EXCEEDED: 672d0a40683SKonstantin Belousov return "pcie_system_power_slot_Exceeded"; 673d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_HIGH_POWER: 674d0a40683SKonstantin Belousov return "High_power"; 675d0a40683SKonstantin Belousov case MLX5_MODULE_EVENT_ERROR_MODULE_STATE_MACHINE_FAULT: 676d0a40683SKonstantin Belousov return "Module_state_machine_fault"; 677dc7e38acSHans Petter Selasky default: 678dc7e38acSHans Petter Selasky return "Unknown error type"; 679dc7e38acSHans Petter Selasky } 680dc7e38acSHans Petter Selasky } 681dc7e38acSHans Petter Selasky 68221dd6527SHans Petter Selasky unsigned int mlx5_query_module_status(struct mlx5_core_dev *dev, int module_num) 68321dd6527SHans Petter Selasky { 68421dd6527SHans Petter Selasky if (module_num < 0 || module_num >= MLX5_MAX_PORTS) 68521dd6527SHans Petter Selasky return 0; /* undefined */ 68621dd6527SHans Petter Selasky return dev->module_status[module_num]; 68721dd6527SHans Petter Selasky } 68821dd6527SHans Petter Selasky 689dc7e38acSHans Petter Selasky static void mlx5_port_module_event(struct mlx5_core_dev *dev, 690dc7e38acSHans Petter Selasky struct mlx5_eqe *eqe) 691dc7e38acSHans Petter Selasky { 692dc7e38acSHans Petter Selasky unsigned int module_num; 693dc7e38acSHans Petter Selasky unsigned int module_status; 694dc7e38acSHans Petter Selasky unsigned int error_type; 695dc7e38acSHans Petter Selasky struct mlx5_eqe_port_module_event *module_event_eqe; 696dc7e38acSHans Petter Selasky 697dc7e38acSHans Petter Selasky module_event_eqe = &eqe->data.port_module_event; 698dc7e38acSHans Petter Selasky 699dc7e38acSHans Petter Selasky module_num = (unsigned int)module_event_eqe->module; 700dc7e38acSHans Petter Selasky module_status = (unsigned int)module_event_eqe->module_status & 701dc7e38acSHans Petter Selasky PORT_MODULE_EVENT_MODULE_STATUS_MASK; 702dc7e38acSHans Petter Selasky error_type = (unsigned int)module_event_eqe->error_type & 703dc7e38acSHans Petter Selasky PORT_MODULE_EVENT_ERROR_TYPE_MASK; 704dc7e38acSHans Petter Selasky 705111b57c3SHans Petter Selasky if (module_status < MLX5_MODULE_STATUS_NUM) 706111b57c3SHans Petter Selasky dev->priv.pme_stats.status_counters[module_status]++; 707dc7e38acSHans Petter Selasky switch (module_status) { 708ecb4fcc4SHans Petter Selasky case MLX5_MODULE_STATUS_PLUGGED_ENABLED: 709a2f4f59cSHans Petter Selasky mlx5_core_info(dev, 710a2f4f59cSHans Petter Selasky "Module %u, status: plugged and enabled\n", 711111b57c3SHans Petter Selasky module_num); 712dc7e38acSHans Petter Selasky break; 713dc7e38acSHans Petter Selasky 714dc7e38acSHans Petter Selasky case MLX5_MODULE_STATUS_UNPLUGGED: 715a2f4f59cSHans Petter Selasky mlx5_core_info(dev, 716a2f4f59cSHans Petter Selasky "Module %u, status: unplugged\n", module_num); 717dc7e38acSHans Petter Selasky break; 718dc7e38acSHans Petter Selasky 719dc7e38acSHans Petter Selasky case MLX5_MODULE_STATUS_ERROR: 720a2f4f59cSHans Petter Selasky mlx5_core_err(dev, 721fedc7bd2SHans Petter Selasky "Module %u, status: error, %s (%d)\n", 722111b57c3SHans Petter Selasky module_num, 723fedc7bd2SHans Petter Selasky mlx5_port_module_event_error_type_to_string(error_type), 724fedc7bd2SHans Petter Selasky error_type); 725111b57c3SHans Petter Selasky if (error_type < MLX5_MODULE_EVENT_ERROR_NUM) 726111b57c3SHans Petter Selasky dev->priv.pme_stats.error_counters[error_type]++; 727ecb4fcc4SHans Petter Selasky break; 728ecb4fcc4SHans Petter Selasky 729dc7e38acSHans Petter Selasky default: 730a2f4f59cSHans Petter Selasky mlx5_core_info(dev, 731fedc7bd2SHans Petter Selasky "Module %u, unknown status %d\n", module_num, module_status); 732dc7e38acSHans Petter Selasky } 73321dd6527SHans Petter Selasky /* store module status */ 73421dd6527SHans Petter Selasky if (module_num < MLX5_MAX_PORTS) 73521dd6527SHans Petter Selasky dev->module_status[module_num] = module_status; 736dc7e38acSHans Petter Selasky } 737dc7e38acSHans Petter Selasky 7386c7057f7SHans Petter Selasky static void mlx5_port_general_notification_event(struct mlx5_core_dev *dev, 7396c7057f7SHans Petter Selasky struct mlx5_eqe *eqe) 7406c7057f7SHans Petter Selasky { 7416c7057f7SHans Petter Selasky u8 port = (eqe->data.port.port >> 4) & 0xf; 742adb6fd50SHans Petter Selasky u32 rqn; 743adb6fd50SHans Petter Selasky struct mlx5_eqe_general_notification_event *general_event; 7446c7057f7SHans Petter Selasky 7456c7057f7SHans Petter Selasky switch (eqe->sub_type) { 7466c7057f7SHans Petter Selasky case MLX5_GEN_EVENT_SUBTYPE_DELAY_DROP_TIMEOUT: 7476c7057f7SHans Petter Selasky general_event = &eqe->data.general_notifications; 7486c7057f7SHans Petter Selasky rqn = be32_to_cpu(general_event->rq_user_index_delay_drop) & 7496c7057f7SHans Petter Selasky 0xffffff; 7506c7057f7SHans Petter Selasky break; 751adb6fd50SHans Petter Selasky case MLX5_GEN_EVENT_SUBTYPE_PCI_POWER_CHANGE_EVENT: 752adb6fd50SHans Petter Selasky mlx5_trigger_health_watchdog(dev); 753adb6fd50SHans Petter Selasky break; 7546c7057f7SHans Petter Selasky default: 7556c7057f7SHans Petter Selasky mlx5_core_warn(dev, 7566c7057f7SHans Petter Selasky "general event with unrecognized subtype: port %d, sub_type %d\n", 7576c7057f7SHans Petter Selasky port, eqe->sub_type); 7586c7057f7SHans Petter Selasky break; 7596c7057f7SHans Petter Selasky } 7606c7057f7SHans Petter Selasky } 7616c7057f7SHans Petter Selasky 762f14d8498SHans Petter Selasky void 763f14d8498SHans Petter Selasky mlx5_disable_interrupts(struct mlx5_core_dev *dev) 764f14d8498SHans Petter Selasky { 765f14d8498SHans Petter Selasky int nvec = dev->priv.eq_table.num_comp_vectors + MLX5_EQ_VEC_COMP_BASE; 766f14d8498SHans Petter Selasky int x; 767f14d8498SHans Petter Selasky 768f14d8498SHans Petter Selasky for (x = 0; x != nvec; x++) 769f14d8498SHans Petter Selasky disable_irq(dev->priv.msix_arr[x].vector); 770f14d8498SHans Petter Selasky } 771f14d8498SHans Petter Selasky 772f14d8498SHans Petter Selasky void 773f14d8498SHans Petter Selasky mlx5_poll_interrupts(struct mlx5_core_dev *dev) 774f14d8498SHans Petter Selasky { 775f14d8498SHans Petter Selasky struct mlx5_eq *eq; 776f14d8498SHans Petter Selasky 777f14d8498SHans Petter Selasky if (unlikely(dev->priv.disable_irqs != 0)) 778f14d8498SHans Petter Selasky return; 779f14d8498SHans Petter Selasky 780f14d8498SHans Petter Selasky mlx5_eq_int(dev, &dev->priv.eq_table.cmd_eq); 781f14d8498SHans Petter Selasky mlx5_eq_int(dev, &dev->priv.eq_table.async_eq); 782f14d8498SHans Petter Selasky mlx5_eq_int(dev, &dev->priv.eq_table.pages_eq); 783f14d8498SHans Petter Selasky 784f14d8498SHans Petter Selasky list_for_each_entry(eq, &dev->priv.eq_table.comp_eqs_list, list) 785f14d8498SHans Petter Selasky mlx5_eq_int(dev, eq); 786f14d8498SHans Petter Selasky } 787