1dc7e38acSHans Petter Selasky /*- 2dc7e38acSHans Petter Selasky * Copyright (c) 2013-2015, 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 28dc7e38acSHans Petter Selasky #include <linux/module.h> 29dc7e38acSHans Petter Selasky #include <linux/errno.h> 30dc7e38acSHans Petter Selasky #include <linux/pci.h> 31dc7e38acSHans Petter Selasky #include <linux/dma-mapping.h> 32dc7e38acSHans Petter Selasky #include <linux/slab.h> 33dc7e38acSHans Petter Selasky #include <linux/delay.h> 34dc7e38acSHans Petter Selasky #include <linux/random.h> 35dc7e38acSHans Petter Selasky #include <linux/io-mapping.h> 36dc7e38acSHans Petter Selasky #include <linux/hardirq.h> 37dc7e38acSHans Petter Selasky #include <linux/ktime.h> 38dc7e38acSHans Petter Selasky #include <dev/mlx5/driver.h> 39dc7e38acSHans Petter Selasky 40dc7e38acSHans Petter Selasky #include "mlx5_core.h" 41dc7e38acSHans Petter Selasky 428e7e0ce1SHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size); 438e7e0ce1SHans Petter Selasky static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, 448e7e0ce1SHans Petter Selasky struct mlx5_cmd_msg *msg); 458e7e0ce1SHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); 468e7e0ce1SHans Petter Selasky 47dc7e38acSHans Petter Selasky enum { 48dc7e38acSHans Petter Selasky CMD_IF_REV = 5, 49dc7e38acSHans Petter Selasky }; 50dc7e38acSHans Petter Selasky 51dc7e38acSHans Petter Selasky enum { 52dc7e38acSHans Petter Selasky CMD_MODE_POLLING, 53dc7e38acSHans Petter Selasky CMD_MODE_EVENTS 54dc7e38acSHans Petter Selasky }; 55dc7e38acSHans Petter Selasky 56dc7e38acSHans Petter Selasky enum { 57dc7e38acSHans Petter Selasky NUM_LONG_LISTS = 2, 58dc7e38acSHans Petter Selasky NUM_MED_LISTS = 64, 59dc7e38acSHans Petter Selasky LONG_LIST_SIZE = (2ULL * 1024 * 1024 * 1024 / PAGE_SIZE) * 8 + 16 + 60dc7e38acSHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, 61dc7e38acSHans Petter Selasky MED_LIST_SIZE = 16 + MLX5_CMD_DATA_BLOCK_SIZE, 62dc7e38acSHans Petter Selasky }; 63dc7e38acSHans Petter Selasky 64dc7e38acSHans Petter Selasky enum { 65dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OK = 0x0, 66dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR = 0x1, 67dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_TOK_ERR = 0x2, 68dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR = 0x3, 69dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR = 0x4, 70dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR = 0x5, 71dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_FW_ERR = 0x6, 72dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR = 0x7, 73dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR = 0x8, 74dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR = 0x9, 75dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR = 0x10, 76dc7e38acSHans Petter Selasky }; 77dc7e38acSHans Petter Selasky 78dc7e38acSHans Petter Selasky static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, 79dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *in, 80dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, 81dc7e38acSHans Petter Selasky void *uout, int uout_size, 82dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t cbk, 83dc7e38acSHans Petter Selasky void *context, int page_queue) 84dc7e38acSHans Petter Selasky { 85dc7e38acSHans Petter Selasky gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; 86dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 87dc7e38acSHans Petter Selasky 88dc7e38acSHans Petter Selasky ent = kzalloc(sizeof(*ent), alloc_flags); 89dc7e38acSHans Petter Selasky if (!ent) 90dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 91dc7e38acSHans Petter Selasky 92dc7e38acSHans Petter Selasky ent->in = in; 93dc7e38acSHans Petter Selasky ent->out = out; 94dc7e38acSHans Petter Selasky ent->uout = uout; 95dc7e38acSHans Petter Selasky ent->uout_size = uout_size; 96dc7e38acSHans Petter Selasky ent->callback = cbk; 97dc7e38acSHans Petter Selasky ent->context = context; 98dc7e38acSHans Petter Selasky ent->cmd = cmd; 99dc7e38acSHans Petter Selasky ent->page_queue = page_queue; 100dc7e38acSHans Petter Selasky 101dc7e38acSHans Petter Selasky return ent; 102dc7e38acSHans Petter Selasky } 103dc7e38acSHans Petter Selasky 104dc7e38acSHans Petter Selasky static u8 alloc_token(struct mlx5_cmd *cmd) 105dc7e38acSHans Petter Selasky { 106dc7e38acSHans Petter Selasky u8 token; 107dc7e38acSHans Petter Selasky 108dc7e38acSHans Petter Selasky spin_lock(&cmd->token_lock); 109dc7e38acSHans Petter Selasky cmd->token++; 110dc7e38acSHans Petter Selasky if (cmd->token == 0) 111dc7e38acSHans Petter Selasky cmd->token++; 112dc7e38acSHans Petter Selasky token = cmd->token; 113dc7e38acSHans Petter Selasky spin_unlock(&cmd->token_lock); 114dc7e38acSHans Petter Selasky 115dc7e38acSHans Petter Selasky return token; 116dc7e38acSHans Petter Selasky } 117dc7e38acSHans Petter Selasky 1188e7e0ce1SHans Petter Selasky static int alloc_ent(struct mlx5_cmd_work_ent *ent) 119dc7e38acSHans Petter Selasky { 120dc7e38acSHans Petter Selasky unsigned long flags; 1218e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 12230dfc051SHans Petter Selasky struct mlx5_core_dev *dev = 12330dfc051SHans Petter Selasky container_of(cmd, struct mlx5_core_dev, cmd); 1248e7e0ce1SHans Petter Selasky int ret = cmd->max_reg_cmds; 125dc7e38acSHans Petter Selasky 126dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 1278e7e0ce1SHans Petter Selasky if (!ent->page_queue) { 128dc7e38acSHans Petter Selasky ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds); 1298e7e0ce1SHans Petter Selasky if (ret >= cmd->max_reg_cmds) 1308e7e0ce1SHans Petter Selasky ret = -1; 1318e7e0ce1SHans Petter Selasky } 1328e7e0ce1SHans Petter Selasky 13330dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) 13430dfc051SHans Petter Selasky ret = -1; 13530dfc051SHans Petter Selasky 1368e7e0ce1SHans Petter Selasky if (ret != -1) { 13730dfc051SHans Petter Selasky ent->busy = 1; 1388e7e0ce1SHans Petter Selasky ent->idx = ret; 1398e7e0ce1SHans Petter Selasky clear_bit(ent->idx, &cmd->bitmask); 1408e7e0ce1SHans Petter Selasky cmd->ent_arr[ent->idx] = ent; 1418e7e0ce1SHans Petter Selasky } 142dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 143dc7e38acSHans Petter Selasky 1448e7e0ce1SHans Petter Selasky return ret; 145dc7e38acSHans Petter Selasky } 146dc7e38acSHans Petter Selasky 147dc7e38acSHans Petter Selasky static void free_ent(struct mlx5_cmd *cmd, int idx) 148dc7e38acSHans Petter Selasky { 149dc7e38acSHans Petter Selasky unsigned long flags; 150dc7e38acSHans Petter Selasky 151dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 152dc7e38acSHans Petter Selasky set_bit(idx, &cmd->bitmask); 153dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 154dc7e38acSHans Petter Selasky } 155dc7e38acSHans Petter Selasky 156dc7e38acSHans Petter Selasky static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) 157dc7e38acSHans Petter Selasky { 158dc7e38acSHans Petter Selasky return cmd->cmd_buf + (idx << cmd->log_stride); 159dc7e38acSHans Petter Selasky } 160dc7e38acSHans Petter Selasky 161dc7e38acSHans Petter Selasky static u8 xor8_buf(void *buf, int len) 162dc7e38acSHans Petter Selasky { 163dc7e38acSHans Petter Selasky u8 *ptr = buf; 164dc7e38acSHans Petter Selasky u8 sum = 0; 165dc7e38acSHans Petter Selasky int i; 166dc7e38acSHans Petter Selasky 167dc7e38acSHans Petter Selasky for (i = 0; i < len; i++) 168dc7e38acSHans Petter Selasky sum ^= ptr[i]; 169dc7e38acSHans Petter Selasky 170dc7e38acSHans Petter Selasky return sum; 171dc7e38acSHans Petter Selasky } 172dc7e38acSHans Petter Selasky 173dc7e38acSHans Petter Selasky static int verify_block_sig(struct mlx5_cmd_prot_block *block) 174dc7e38acSHans Petter Selasky { 175dc7e38acSHans Petter Selasky if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) 176dc7e38acSHans Petter Selasky return -EINVAL; 177dc7e38acSHans Petter Selasky 178dc7e38acSHans Petter Selasky if (xor8_buf(block, sizeof(*block)) != 0xff) 179dc7e38acSHans Petter Selasky return -EINVAL; 180dc7e38acSHans Petter Selasky 181dc7e38acSHans Petter Selasky return 0; 182dc7e38acSHans Petter Selasky } 183dc7e38acSHans Petter Selasky 184dc7e38acSHans Petter Selasky static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, 185dc7e38acSHans Petter Selasky int csum) 186dc7e38acSHans Petter Selasky { 187dc7e38acSHans Petter Selasky block->token = token; 188dc7e38acSHans Petter Selasky if (csum) { 189dc7e38acSHans Petter Selasky block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - 190dc7e38acSHans Petter Selasky sizeof(block->data) - 2); 191dc7e38acSHans Petter Selasky block->sig = ~xor8_buf(block, sizeof(*block) - 1); 192dc7e38acSHans Petter Selasky } 193dc7e38acSHans Petter Selasky } 194dc7e38acSHans Petter Selasky 195dc7e38acSHans Petter Selasky static void calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) 196dc7e38acSHans Petter Selasky { 197dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next = msg->next; 198dc7e38acSHans Petter Selasky 199dc7e38acSHans Petter Selasky while (next) { 200dc7e38acSHans Petter Selasky calc_block_sig(next->buf, token, csum); 201dc7e38acSHans Petter Selasky next = next->next; 202dc7e38acSHans Petter Selasky } 203dc7e38acSHans Petter Selasky } 204dc7e38acSHans Petter Selasky 205dc7e38acSHans Petter Selasky static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) 206dc7e38acSHans Petter Selasky { 207dc7e38acSHans Petter Selasky ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); 208dc7e38acSHans Petter Selasky calc_chain_sig(ent->in, ent->token, csum); 209dc7e38acSHans Petter Selasky calc_chain_sig(ent->out, ent->token, csum); 210dc7e38acSHans Petter Selasky } 211dc7e38acSHans Petter Selasky 212dc7e38acSHans Petter Selasky static void poll_timeout(struct mlx5_cmd_work_ent *ent) 213dc7e38acSHans Petter Selasky { 21430dfc051SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, 21530dfc051SHans Petter Selasky struct mlx5_core_dev, cmd); 21630dfc051SHans Petter Selasky int poll_end = jiffies + 21730dfc051SHans Petter Selasky msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC + 1000); 218dc7e38acSHans Petter Selasky u8 own; 219dc7e38acSHans Petter Selasky 220dc7e38acSHans Petter Selasky do { 221dc7e38acSHans Petter Selasky own = ent->lay->status_own; 22230dfc051SHans Petter Selasky if (!(own & CMD_OWNER_HW) || 22330dfc051SHans Petter Selasky dev->state != MLX5_DEVICE_STATE_UP) { 224dc7e38acSHans Petter Selasky ent->ret = 0; 225dc7e38acSHans Petter Selasky return; 226dc7e38acSHans Petter Selasky } 227dc7e38acSHans Petter Selasky usleep_range(5000, 10000); 228dc7e38acSHans Petter Selasky } while (time_before(jiffies, poll_end)); 229dc7e38acSHans Petter Selasky 230dc7e38acSHans Petter Selasky ent->ret = -ETIMEDOUT; 231dc7e38acSHans Petter Selasky } 232dc7e38acSHans Petter Selasky 233dc7e38acSHans Petter Selasky static void free_cmd(struct mlx5_cmd_work_ent *ent) 234dc7e38acSHans Petter Selasky { 235dc7e38acSHans Petter Selasky kfree(ent); 236dc7e38acSHans Petter Selasky } 237dc7e38acSHans Petter Selasky 238dc7e38acSHans Petter Selasky 239dc7e38acSHans Petter Selasky static int verify_signature(struct mlx5_cmd_work_ent *ent) 240dc7e38acSHans Petter Selasky { 241dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next = ent->out->next; 242dc7e38acSHans Petter Selasky int err; 243dc7e38acSHans Petter Selasky u8 sig; 244dc7e38acSHans Petter Selasky 245dc7e38acSHans Petter Selasky sig = xor8_buf(ent->lay, sizeof(*ent->lay)); 246dc7e38acSHans Petter Selasky if (sig != 0xff) 247dc7e38acSHans Petter Selasky return -EINVAL; 248dc7e38acSHans Petter Selasky 249dc7e38acSHans Petter Selasky while (next) { 250dc7e38acSHans Petter Selasky err = verify_block_sig(next->buf); 251dc7e38acSHans Petter Selasky if (err) 252dc7e38acSHans Petter Selasky return err; 253dc7e38acSHans Petter Selasky 254dc7e38acSHans Petter Selasky next = next->next; 255dc7e38acSHans Petter Selasky } 256dc7e38acSHans Petter Selasky 257dc7e38acSHans Petter Selasky return 0; 258dc7e38acSHans Petter Selasky } 259dc7e38acSHans Petter Selasky 260dc7e38acSHans Petter Selasky static void dump_buf(void *buf, int size, int data_only, int offset) 261dc7e38acSHans Petter Selasky { 262dc7e38acSHans Petter Selasky __be32 *p = buf; 263dc7e38acSHans Petter Selasky int i; 264dc7e38acSHans Petter Selasky 265dc7e38acSHans Petter Selasky for (i = 0; i < size; i += 16) { 266dc7e38acSHans Petter Selasky pr_debug("%03x: %08x %08x %08x %08x\n", offset, be32_to_cpu(p[0]), 267dc7e38acSHans Petter Selasky be32_to_cpu(p[1]), be32_to_cpu(p[2]), 268dc7e38acSHans Petter Selasky be32_to_cpu(p[3])); 269dc7e38acSHans Petter Selasky p += 4; 270dc7e38acSHans Petter Selasky offset += 16; 271dc7e38acSHans Petter Selasky } 272dc7e38acSHans Petter Selasky if (!data_only) 273dc7e38acSHans Petter Selasky pr_debug("\n"); 274dc7e38acSHans Petter Selasky } 275dc7e38acSHans Petter Selasky 276dc7e38acSHans Petter Selasky const char *mlx5_command_str(int command) 277dc7e38acSHans Petter Selasky { 278dc7e38acSHans Petter Selasky switch (command) { 279dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 280dc7e38acSHans Petter Selasky return "QUERY_HCA_CAP"; 281dc7e38acSHans Petter Selasky 282dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 283dc7e38acSHans Petter Selasky return "SET_HCA_CAP"; 284dc7e38acSHans Petter Selasky 285dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 286dc7e38acSHans Petter Selasky return "QUERY_ADAPTER"; 287dc7e38acSHans Petter Selasky 288dc7e38acSHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 289dc7e38acSHans Petter Selasky return "INIT_HCA"; 290dc7e38acSHans Petter Selasky 291dc7e38acSHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 292dc7e38acSHans Petter Selasky return "TEARDOWN_HCA"; 293dc7e38acSHans Petter Selasky 294dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 295dc7e38acSHans Petter Selasky return "MLX5_CMD_OP_ENABLE_HCA"; 296dc7e38acSHans Petter Selasky 297dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 298dc7e38acSHans Petter Selasky return "MLX5_CMD_OP_DISABLE_HCA"; 299dc7e38acSHans Petter Selasky 300dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 301dc7e38acSHans Petter Selasky return "QUERY_PAGES"; 302dc7e38acSHans Petter Selasky 303dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 304dc7e38acSHans Petter Selasky return "MANAGE_PAGES"; 305dc7e38acSHans Petter Selasky 306dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 307dc7e38acSHans Petter Selasky return "QUERY_ISSI"; 308dc7e38acSHans Petter Selasky 309dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 310dc7e38acSHans Petter Selasky return "SET_ISSI"; 311dc7e38acSHans Petter Selasky 312dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 313dc7e38acSHans Petter Selasky return "CREATE_MKEY"; 314dc7e38acSHans Petter Selasky 315dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 316dc7e38acSHans Petter Selasky return "QUERY_MKEY"; 317dc7e38acSHans Petter Selasky 318dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 319dc7e38acSHans Petter Selasky return "DESTROY_MKEY"; 320dc7e38acSHans Petter Selasky 321dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 322dc7e38acSHans Petter Selasky return "QUERY_SPECIAL_CONTEXTS"; 323dc7e38acSHans Petter Selasky 324dc7e38acSHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 325dc7e38acSHans Petter Selasky return "PAGE_FAULT_RESUME"; 326dc7e38acSHans Petter Selasky 327dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 328dc7e38acSHans Petter Selasky return "CREATE_EQ"; 329dc7e38acSHans Petter Selasky 330dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 331dc7e38acSHans Petter Selasky return "DESTROY_EQ"; 332dc7e38acSHans Petter Selasky 333dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 334dc7e38acSHans Petter Selasky return "QUERY_EQ"; 335dc7e38acSHans Petter Selasky 336dc7e38acSHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 337dc7e38acSHans Petter Selasky return "GEN_EQE"; 338dc7e38acSHans Petter Selasky 339dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 340dc7e38acSHans Petter Selasky return "CREATE_CQ"; 341dc7e38acSHans Petter Selasky 342dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 343dc7e38acSHans Petter Selasky return "DESTROY_CQ"; 344dc7e38acSHans Petter Selasky 345dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 346dc7e38acSHans Petter Selasky return "QUERY_CQ"; 347dc7e38acSHans Petter Selasky 348dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 349dc7e38acSHans Petter Selasky return "MODIFY_CQ"; 350dc7e38acSHans Petter Selasky 351dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 352dc7e38acSHans Petter Selasky return "CREATE_QP"; 353dc7e38acSHans Petter Selasky 354dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 355dc7e38acSHans Petter Selasky return "DESTROY_QP"; 356dc7e38acSHans Petter Selasky 357dc7e38acSHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 358dc7e38acSHans Petter Selasky return "RST2INIT_QP"; 359dc7e38acSHans Petter Selasky 360dc7e38acSHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 361dc7e38acSHans Petter Selasky return "INIT2RTR_QP"; 362dc7e38acSHans Petter Selasky 363dc7e38acSHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 364dc7e38acSHans Petter Selasky return "RTR2RTS_QP"; 365dc7e38acSHans Petter Selasky 366dc7e38acSHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 367dc7e38acSHans Petter Selasky return "RTS2RTS_QP"; 368dc7e38acSHans Petter Selasky 369dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 370dc7e38acSHans Petter Selasky return "SQERR2RTS_QP"; 371dc7e38acSHans Petter Selasky 372dc7e38acSHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 373dc7e38acSHans Petter Selasky return "2ERR_QP"; 374dc7e38acSHans Petter Selasky 375dc7e38acSHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 376dc7e38acSHans Petter Selasky return "2RST_QP"; 377dc7e38acSHans Petter Selasky 378dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 379dc7e38acSHans Petter Selasky return "QUERY_QP"; 380dc7e38acSHans Petter Selasky 381dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 382dc7e38acSHans Petter Selasky return "SQD_RTS_QP"; 383dc7e38acSHans Petter Selasky 384dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 385dc7e38acSHans Petter Selasky return "MAD_IFC"; 386dc7e38acSHans Petter Selasky 387dc7e38acSHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 388dc7e38acSHans Petter Selasky return "INIT2INIT_QP"; 389dc7e38acSHans Petter Selasky 390dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 391dc7e38acSHans Petter Selasky return "CREATE_PSV"; 392dc7e38acSHans Petter Selasky 393dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 394dc7e38acSHans Petter Selasky return "DESTROY_PSV"; 395dc7e38acSHans Petter Selasky 396dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 397dc7e38acSHans Petter Selasky return "CREATE_SRQ"; 398dc7e38acSHans Petter Selasky 399dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 400dc7e38acSHans Petter Selasky return "DESTROY_SRQ"; 401dc7e38acSHans Petter Selasky 402dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 403dc7e38acSHans Petter Selasky return "QUERY_SRQ"; 404dc7e38acSHans Petter Selasky 405dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 406dc7e38acSHans Petter Selasky return "ARM_RQ"; 407dc7e38acSHans Petter Selasky 408dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 409dc7e38acSHans Petter Selasky return "CREATE_XRC_SRQ"; 410dc7e38acSHans Petter Selasky 411dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 412dc7e38acSHans Petter Selasky return "DESTROY_XRC_SRQ"; 413dc7e38acSHans Petter Selasky 414dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 415dc7e38acSHans Petter Selasky return "QUERY_XRC_SRQ"; 416dc7e38acSHans Petter Selasky 417dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 418dc7e38acSHans Petter Selasky return "ARM_XRC_SRQ"; 419dc7e38acSHans Petter Selasky 420dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 421dc7e38acSHans Petter Selasky return "CREATE_DCT"; 422dc7e38acSHans Petter Selasky 423cb4e4a6eSHans Petter Selasky case MLX5_CMD_OP_SET_DC_CNAK_TRACE: 424cb4e4a6eSHans Petter Selasky return "SET_DC_CNAK_TRACE"; 425cb4e4a6eSHans Petter Selasky 426dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 427dc7e38acSHans Petter Selasky return "DESTROY_DCT"; 428dc7e38acSHans Petter Selasky 429dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 430dc7e38acSHans Petter Selasky return "DRAIN_DCT"; 431dc7e38acSHans Petter Selasky 432dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 433dc7e38acSHans Petter Selasky return "QUERY_DCT"; 434dc7e38acSHans Petter Selasky 435dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 436dc7e38acSHans Petter Selasky return "ARM_DCT_FOR_KEY_VIOLATION"; 437dc7e38acSHans Petter Selasky 438dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 439dc7e38acSHans Petter Selasky return "QUERY_VPORT_STATE"; 440dc7e38acSHans Petter Selasky 441dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 442dc7e38acSHans Petter Selasky return "MODIFY_VPORT_STATE"; 443dc7e38acSHans Petter Selasky 444dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 445dc7e38acSHans Petter Selasky return "QUERY_ESW_VPORT_CONTEXT"; 446dc7e38acSHans Petter Selasky 447dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 448dc7e38acSHans Petter Selasky return "MODIFY_ESW_VPORT_CONTEXT"; 449dc7e38acSHans Petter Selasky 450dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 451dc7e38acSHans Petter Selasky return "QUERY_NIC_VPORT_CONTEXT"; 452dc7e38acSHans Petter Selasky 453dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 454dc7e38acSHans Petter Selasky return "MODIFY_NIC_VPORT_CONTEXT"; 455dc7e38acSHans Petter Selasky 456dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 457dc7e38acSHans Petter Selasky return "QUERY_ROCE_ADDRESS"; 458dc7e38acSHans Petter Selasky 459dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 460dc7e38acSHans Petter Selasky return "SET_ROCE_ADDRESS"; 461dc7e38acSHans Petter Selasky 462dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 463dc7e38acSHans Petter Selasky return "QUERY_HCA_VPORT_CONTEXT"; 464dc7e38acSHans Petter Selasky 465dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 466dc7e38acSHans Petter Selasky return "MODIFY_HCA_VPORT_CONTEXT"; 467dc7e38acSHans Petter Selasky 468dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 469dc7e38acSHans Petter Selasky return "QUERY_HCA_VPORT_GID"; 470dc7e38acSHans Petter Selasky 471dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 472dc7e38acSHans Petter Selasky return "QUERY_HCA_VPORT_PKEY"; 473dc7e38acSHans Petter Selasky 474dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 475dc7e38acSHans Petter Selasky return "QUERY_VPORT_COUNTER"; 476dc7e38acSHans Petter Selasky 477dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_WOL_ROL: 478dc7e38acSHans Petter Selasky return "SET_WOL_ROL"; 479dc7e38acSHans Petter Selasky 480dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_WOL_ROL: 481dc7e38acSHans Petter Selasky return "QUERY_WOL_ROL"; 482dc7e38acSHans Petter Selasky 483dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 484dc7e38acSHans Petter Selasky return "ALLOC_Q_COUNTER"; 485dc7e38acSHans Petter Selasky 486dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 487dc7e38acSHans Petter Selasky return "DEALLOC_Q_COUNTER"; 488dc7e38acSHans Petter Selasky 489dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 490dc7e38acSHans Petter Selasky return "QUERY_Q_COUNTER"; 491dc7e38acSHans Petter Selasky 492dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 493dc7e38acSHans Petter Selasky return "ALLOC_PD"; 494dc7e38acSHans Petter Selasky 495dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 496dc7e38acSHans Petter Selasky return "DEALLOC_PD"; 497dc7e38acSHans Petter Selasky 498dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 499dc7e38acSHans Petter Selasky return "ALLOC_UAR"; 500dc7e38acSHans Petter Selasky 501dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 502dc7e38acSHans Petter Selasky return "DEALLOC_UAR"; 503dc7e38acSHans Petter Selasky 504dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 505dc7e38acSHans Petter Selasky return "CONFIG_INT_MODERATION"; 506dc7e38acSHans Petter Selasky 507dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 508dc7e38acSHans Petter Selasky return "ATTACH_TO_MCG"; 509dc7e38acSHans Petter Selasky 510dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 511dc7e38acSHans Petter Selasky return "DETACH_FROM_MCG"; 512dc7e38acSHans Petter Selasky 513dc7e38acSHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 514dc7e38acSHans Petter Selasky return "GET_DROPPED_PACKET_LOG"; 515dc7e38acSHans Petter Selasky 516dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 517dc7e38acSHans Petter Selasky return "QUERY_MAD_DEMUX"; 518dc7e38acSHans Petter Selasky 519dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 520dc7e38acSHans Petter Selasky return "SET_MAD_DEMUX"; 521dc7e38acSHans Petter Selasky 522dc7e38acSHans Petter Selasky case MLX5_CMD_OP_NOP: 523dc7e38acSHans Petter Selasky return "NOP"; 524dc7e38acSHans Petter Selasky 525dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 526dc7e38acSHans Petter Selasky return "ALLOC_XRCD"; 527dc7e38acSHans Petter Selasky 528dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 529dc7e38acSHans Petter Selasky return "DEALLOC_XRCD"; 530dc7e38acSHans Petter Selasky 531dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 532dc7e38acSHans Petter Selasky return "ALLOC_TRANSPORT_DOMAIN"; 533dc7e38acSHans Petter Selasky 534dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 535dc7e38acSHans Petter Selasky return "DEALLOC_TRANSPORT_DOMAIN"; 536dc7e38acSHans Petter Selasky 537dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 538dc7e38acSHans Petter Selasky return "QUERY_CONG_STATUS"; 539dc7e38acSHans Petter Selasky 540dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 541dc7e38acSHans Petter Selasky return "MODIFY_CONG_STATUS"; 542dc7e38acSHans Petter Selasky 543dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 544dc7e38acSHans Petter Selasky return "QUERY_CONG_PARAMS"; 545dc7e38acSHans Petter Selasky 546dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 547dc7e38acSHans Petter Selasky return "MODIFY_CONG_PARAMS"; 548dc7e38acSHans Petter Selasky 549dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 550dc7e38acSHans Petter Selasky return "QUERY_CONG_STATISTICS"; 551dc7e38acSHans Petter Selasky 552dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 553dc7e38acSHans Petter Selasky return "ADD_VXLAN_UDP_DPORT"; 554dc7e38acSHans Petter Selasky 555dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 556dc7e38acSHans Petter Selasky return "DELETE_VXLAN_UDP_DPORT"; 557dc7e38acSHans Petter Selasky 558dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 559dc7e38acSHans Petter Selasky return "SET_L2_TABLE_ENTRY"; 560dc7e38acSHans Petter Selasky 561dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 562dc7e38acSHans Petter Selasky return "QUERY_L2_TABLE_ENTRY"; 563dc7e38acSHans Petter Selasky 564dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 565dc7e38acSHans Petter Selasky return "DELETE_L2_TABLE_ENTRY"; 566dc7e38acSHans Petter Selasky 567dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 568dc7e38acSHans Petter Selasky return "CREATE_RMP"; 569dc7e38acSHans Petter Selasky 570dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 571dc7e38acSHans Petter Selasky return "MODIFY_RMP"; 572dc7e38acSHans Petter Selasky 573dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 574dc7e38acSHans Petter Selasky return "DESTROY_RMP"; 575dc7e38acSHans Petter Selasky 576dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 577dc7e38acSHans Petter Selasky return "QUERY_RMP"; 578dc7e38acSHans Petter Selasky 579dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 580dc7e38acSHans Petter Selasky return "CREATE_RQT"; 581dc7e38acSHans Petter Selasky 582dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 583dc7e38acSHans Petter Selasky return "MODIFY_RQT"; 584dc7e38acSHans Petter Selasky 585dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 586dc7e38acSHans Petter Selasky return "DESTROY_RQT"; 587dc7e38acSHans Petter Selasky 588dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 589dc7e38acSHans Petter Selasky return "QUERY_RQT"; 590dc7e38acSHans Petter Selasky 591dc7e38acSHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 592dc7e38acSHans Petter Selasky return "MLX5_CMD_OP_ACCESS_REG"; 593dc7e38acSHans Petter Selasky 594dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 595dc7e38acSHans Petter Selasky return "CREATE_SQ"; 596dc7e38acSHans Petter Selasky 597dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 598dc7e38acSHans Petter Selasky return "MODIFY_SQ"; 599dc7e38acSHans Petter Selasky 600dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 601dc7e38acSHans Petter Selasky return "DESTROY_SQ"; 602dc7e38acSHans Petter Selasky 603dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 604dc7e38acSHans Petter Selasky return "QUERY_SQ"; 605dc7e38acSHans Petter Selasky 606dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 607dc7e38acSHans Petter Selasky return "CREATE_RQ"; 608dc7e38acSHans Petter Selasky 609dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 610dc7e38acSHans Petter Selasky return "MODIFY_RQ"; 611dc7e38acSHans Petter Selasky 612dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 613dc7e38acSHans Petter Selasky return "DESTROY_RQ"; 614dc7e38acSHans Petter Selasky 615dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 616dc7e38acSHans Petter Selasky return "QUERY_RQ"; 617dc7e38acSHans Petter Selasky 618dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 619dc7e38acSHans Petter Selasky return "CREATE_TIR"; 620dc7e38acSHans Petter Selasky 621dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 622dc7e38acSHans Petter Selasky return "MODIFY_TIR"; 623dc7e38acSHans Petter Selasky 624dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 625dc7e38acSHans Petter Selasky return "DESTROY_TIR"; 626dc7e38acSHans Petter Selasky 627dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 628dc7e38acSHans Petter Selasky return "QUERY_TIR"; 629dc7e38acSHans Petter Selasky 630dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 631dc7e38acSHans Petter Selasky return "CREATE_TIS"; 632dc7e38acSHans Petter Selasky 633dc7e38acSHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 634dc7e38acSHans Petter Selasky return "MODIFY_TIS"; 635dc7e38acSHans Petter Selasky 636dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 637dc7e38acSHans Petter Selasky return "DESTROY_TIS"; 638dc7e38acSHans Petter Selasky 639dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 640dc7e38acSHans Petter Selasky return "QUERY_TIS"; 641dc7e38acSHans Petter Selasky 642dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 643dc7e38acSHans Petter Selasky return "CREATE_FLOW_TABLE"; 644dc7e38acSHans Petter Selasky 645dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 646dc7e38acSHans Petter Selasky return "DESTROY_FLOW_TABLE"; 647dc7e38acSHans Petter Selasky 648dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 649dc7e38acSHans Petter Selasky return "QUERY_FLOW_TABLE"; 650dc7e38acSHans Petter Selasky 651dc7e38acSHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 652dc7e38acSHans Petter Selasky return "CREATE_FLOW_GROUP"; 653dc7e38acSHans Petter Selasky 654dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 655dc7e38acSHans Petter Selasky return "DESTROY_FLOW_GROUP"; 656dc7e38acSHans Petter Selasky 657dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 658dc7e38acSHans Petter Selasky return "QUERY_FLOW_GROUP"; 659dc7e38acSHans Petter Selasky 660dc7e38acSHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 661dc7e38acSHans Petter Selasky return "SET_FLOW_TABLE_ENTRY"; 662dc7e38acSHans Petter Selasky 663dc7e38acSHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 664dc7e38acSHans Petter Selasky return "QUERY_FLOW_TABLE_ENTRY"; 665dc7e38acSHans Petter Selasky 666dc7e38acSHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 667dc7e38acSHans Petter Selasky return "DELETE_FLOW_TABLE_ENTRY"; 668dc7e38acSHans Petter Selasky 669cb4e4a6eSHans Petter Selasky case MLX5_CMD_OP_SET_DIAGNOSTICS: 670cb4e4a6eSHans Petter Selasky return "MLX5_CMD_OP_SET_DIAGNOSTICS"; 671cb4e4a6eSHans Petter Selasky 672cb4e4a6eSHans Petter Selasky case MLX5_CMD_OP_QUERY_DIAGNOSTICS: 673cb4e4a6eSHans Petter Selasky return "MLX5_CMD_OP_QUERY_DIAGNOSTICS"; 674cb4e4a6eSHans Petter Selasky 675dc7e38acSHans Petter Selasky default: return "unknown command opcode"; 676dc7e38acSHans Petter Selasky } 677dc7e38acSHans Petter Selasky } 678dc7e38acSHans Petter Selasky 679dc7e38acSHans Petter Selasky static void dump_command(struct mlx5_core_dev *dev, 680dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent, int input) 681dc7e38acSHans Petter Selasky { 682dc7e38acSHans Petter Selasky u16 op = be16_to_cpu(((struct mlx5_inbox_hdr *)(ent->lay->in))->opcode); 683dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = input ? ent->in : ent->out; 684dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next = msg->next; 685dc7e38acSHans Petter Selasky int data_only; 686dc7e38acSHans Petter Selasky u32 offset = 0; 687dc7e38acSHans Petter Selasky int dump_len; 688dc7e38acSHans Petter Selasky 689dc7e38acSHans Petter Selasky data_only = !!(mlx5_core_debug_mask & (1 << MLX5_CMD_DATA)); 690dc7e38acSHans Petter Selasky 691dc7e38acSHans Petter Selasky if (data_only) 692dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_DATA, 693dc7e38acSHans Petter Selasky "dump command data %s(0x%x) %s\n", 694dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 695dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 696dc7e38acSHans Petter Selasky else 697dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "dump command %s(0x%x) %s\n", 698dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 699dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 700dc7e38acSHans Petter Selasky 701dc7e38acSHans Petter Selasky if (data_only) { 702dc7e38acSHans Petter Selasky if (input) { 703dc7e38acSHans Petter Selasky dump_buf(ent->lay->in, sizeof(ent->lay->in), 1, offset); 704dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->in); 705dc7e38acSHans Petter Selasky } else { 706dc7e38acSHans Petter Selasky dump_buf(ent->lay->out, sizeof(ent->lay->out), 1, offset); 707dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->out); 708dc7e38acSHans Petter Selasky } 709dc7e38acSHans Petter Selasky } else { 710dc7e38acSHans Petter Selasky dump_buf(ent->lay, sizeof(*ent->lay), 0, offset); 711dc7e38acSHans Petter Selasky offset += sizeof(*ent->lay); 712dc7e38acSHans Petter Selasky } 713dc7e38acSHans Petter Selasky 714dc7e38acSHans Petter Selasky while (next && offset < msg->len) { 715dc7e38acSHans Petter Selasky if (data_only) { 716dc7e38acSHans Petter Selasky dump_len = min_t(int, MLX5_CMD_DATA_BLOCK_SIZE, msg->len - offset); 717dc7e38acSHans Petter Selasky dump_buf(next->buf, dump_len, 1, offset); 718dc7e38acSHans Petter Selasky offset += MLX5_CMD_DATA_BLOCK_SIZE; 719dc7e38acSHans Petter Selasky } else { 720dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "command block:\n"); 721dc7e38acSHans Petter Selasky dump_buf(next->buf, sizeof(struct mlx5_cmd_prot_block), 0, offset); 722dc7e38acSHans Petter Selasky offset += sizeof(struct mlx5_cmd_prot_block); 723dc7e38acSHans Petter Selasky } 724dc7e38acSHans Petter Selasky next = next->next; 725dc7e38acSHans Petter Selasky } 726dc7e38acSHans Petter Selasky 727dc7e38acSHans Petter Selasky if (data_only) 728dc7e38acSHans Petter Selasky pr_debug("\n"); 729dc7e38acSHans Petter Selasky } 730dc7e38acSHans Petter Selasky 73130dfc051SHans Petter Selasky static int set_internal_err_outbox(struct mlx5_core_dev *dev, u16 opcode, 73230dfc051SHans Petter Selasky struct mlx5_outbox_hdr *hdr) 73330dfc051SHans Petter Selasky { 73430dfc051SHans Petter Selasky hdr->status = 0; 73530dfc051SHans Petter Selasky hdr->syndrome = 0; 73630dfc051SHans Petter Selasky 73730dfc051SHans Petter Selasky switch (opcode) { 73830dfc051SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 73930dfc051SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 74030dfc051SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 74130dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 74230dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 74330dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 74430dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 74530dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 74630dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 74730dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 74830dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 74930dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 75030dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 75130dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 75230dfc051SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 75330dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 75430dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 75530dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 75630dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 75730dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_LAG: 75830dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_VPORT_LAG: 75930dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 76030dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 76130dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 76230dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 76330dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 76430dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 76530dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 76630dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 76730dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 76830dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_FLOW_COUNTER: 76930dfc051SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 77030dfc051SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 77130dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 77230dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 77330dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 77430dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 77530dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_ENCAP_HEADER: 77630dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT: 77730dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QOS_PARA_VPORT: 77830dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 77930dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 78030dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 78130dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 78230dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_LAG: 78330dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 78430dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 78530dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 78630dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: 78730dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 78830dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 78930dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 79030dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 79130dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 79230dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_OTHER_HCA_CAP: 79330dfc051SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 79430dfc051SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 79530dfc051SHans Petter Selasky return 0; 79630dfc051SHans Petter Selasky 79730dfc051SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 79830dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_ENCAP_HEADER: 79930dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: 80030dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 80130dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 80230dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 80330dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 80430dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 80530dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 80630dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 80730dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 80830dfc051SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 80930dfc051SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 81030dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 81130dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 81230dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 81330dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 81430dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 81530dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_LAG: 81630dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 81730dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 81830dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_QOS_PARA_VPORT: 81930dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 82030dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 82130dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 82230dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 82330dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: 82430dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 82530dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 82630dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 82730dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 82830dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_VPORT_LAG: 82930dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 83030dfc051SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 83130dfc051SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 83230dfc051SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 83330dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 83430dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 83530dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 83630dfc051SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 83730dfc051SHans Petter Selasky case MLX5_CMD_OP_NOP: 83830dfc051SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 83930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 84030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 84130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 84230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 84330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 84430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 84530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 84630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 84730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_COUNTER: 84830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 84930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 85030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 85130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 85230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 85330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 85430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 85530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 85630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 85730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_LAG: 85830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 85930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 86030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 86130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_OTHER_HCA_CAP: 86230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 86330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 86430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 86530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 86630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 86730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 86830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 86930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: 87030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 87130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 87230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 87330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 87430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 87530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 87630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 87730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 87830dfc051SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 87930dfc051SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 88030dfc051SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 88130dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_DC_CNAK_TRACE: 88230dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 88330dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 88430dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 88530dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 88630dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 88730dfc051SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 88830dfc051SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 88930dfc051SHans Petter Selasky hdr->status = MLX5_CMD_STAT_INT_ERR; 89030dfc051SHans Petter Selasky hdr->syndrome = 0xFFFFFFFF; 89130dfc051SHans Petter Selasky return -ECANCELED; 89230dfc051SHans Petter Selasky default: 89330dfc051SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", opcode); 89430dfc051SHans Petter Selasky return -EINVAL; 89530dfc051SHans Petter Selasky } 89630dfc051SHans Petter Selasky } 89730dfc051SHans Petter Selasky 8988e7e0ce1SHans Petter Selasky static void complete_command(struct mlx5_cmd_work_ent *ent) 8998e7e0ce1SHans Petter Selasky { 9008e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 9018e7e0ce1SHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, 9028e7e0ce1SHans Petter Selasky cmd); 903f361e561SHans Petter Selasky mlx5_cmd_cbk_t callback; 904f361e561SHans Petter Selasky void *context; 905f361e561SHans Petter Selasky 9068e7e0ce1SHans Petter Selasky s64 ds; 9078e7e0ce1SHans Petter Selasky struct mlx5_cmd_stats *stats; 9088e7e0ce1SHans Petter Selasky unsigned long flags; 9098e7e0ce1SHans Petter Selasky int err; 9108e7e0ce1SHans Petter Selasky struct semaphore *sem; 9118e7e0ce1SHans Petter Selasky 9128e7e0ce1SHans Petter Selasky if (ent->page_queue) 9138e7e0ce1SHans Petter Selasky sem = &cmd->pages_sem; 9148e7e0ce1SHans Petter Selasky else 9158e7e0ce1SHans Petter Selasky sem = &cmd->sem; 9168e7e0ce1SHans Petter Selasky 91730dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) { 91830dfc051SHans Petter Selasky struct mlx5_outbox_hdr *out_hdr = 91930dfc051SHans Petter Selasky (struct mlx5_outbox_hdr *)ent->out; 92030dfc051SHans Petter Selasky struct mlx5_inbox_hdr *in_hdr = 92130dfc051SHans Petter Selasky (struct mlx5_inbox_hdr *)(ent->in->first.data); 92230dfc051SHans Petter Selasky u16 opcode = be16_to_cpu(in_hdr->opcode); 92330dfc051SHans Petter Selasky 92430dfc051SHans Petter Selasky ent->ret = set_internal_err_outbox(dev, 92530dfc051SHans Petter Selasky opcode, 92630dfc051SHans Petter Selasky out_hdr); 92730dfc051SHans Petter Selasky } 92830dfc051SHans Petter Selasky 9298e7e0ce1SHans Petter Selasky if (ent->callback) { 9308e7e0ce1SHans Petter Selasky ds = ent->ts2 - ent->ts1; 9318e7e0ce1SHans Petter Selasky if (ent->op < ARRAY_SIZE(cmd->stats)) { 9328e7e0ce1SHans Petter Selasky stats = &cmd->stats[ent->op]; 9338e7e0ce1SHans Petter Selasky spin_lock_irqsave(&stats->lock, flags); 9348e7e0ce1SHans Petter Selasky stats->sum += ds; 9358e7e0ce1SHans Petter Selasky ++stats->n; 9368e7e0ce1SHans Petter Selasky spin_unlock_irqrestore(&stats->lock, flags); 9378e7e0ce1SHans Petter Selasky } 9388e7e0ce1SHans Petter Selasky 939f361e561SHans Petter Selasky callback = ent->callback; 940f361e561SHans Petter Selasky context = ent->context; 9418e7e0ce1SHans Petter Selasky err = ent->ret; 9428e7e0ce1SHans Petter Selasky if (!err) 9438e7e0ce1SHans Petter Selasky err = mlx5_copy_from_msg(ent->uout, 9448e7e0ce1SHans Petter Selasky ent->out, 9458e7e0ce1SHans Petter Selasky ent->uout_size); 9468e7e0ce1SHans Petter Selasky 9478e7e0ce1SHans Petter Selasky mlx5_free_cmd_msg(dev, ent->out); 9488e7e0ce1SHans Petter Selasky free_msg(dev, ent->in); 9498e7e0ce1SHans Petter Selasky 9508e7e0ce1SHans Petter Selasky free_cmd(ent); 951f361e561SHans Petter Selasky callback(err, context); 9528e7e0ce1SHans Petter Selasky } else { 9538e7e0ce1SHans Petter Selasky complete(&ent->done); 9548e7e0ce1SHans Petter Selasky } 9558e7e0ce1SHans Petter Selasky up(sem); 9568e7e0ce1SHans Petter Selasky } 9578e7e0ce1SHans Petter Selasky 958dc7e38acSHans Petter Selasky static void cmd_work_handler(struct work_struct *work) 959dc7e38acSHans Petter Selasky { 960dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); 961dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 962dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); 963dc7e38acSHans Petter Selasky struct mlx5_cmd_layout *lay; 964dc7e38acSHans Petter Selasky struct semaphore *sem; 965dc7e38acSHans Petter Selasky 966dc7e38acSHans Petter Selasky sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; 967dc7e38acSHans Petter Selasky if (cmd->moving_to_polling) { 968dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "not expecting command execution, ignoring...\n"); 969dc7e38acSHans Petter Selasky return; 970dc7e38acSHans Petter Selasky } 971dc7e38acSHans Petter Selasky 972dc7e38acSHans Petter Selasky down(sem); 9738e7e0ce1SHans Petter Selasky 9748e7e0ce1SHans Petter Selasky if (alloc_ent(ent) < 0) { 9758e7e0ce1SHans Petter Selasky complete_command(ent); 976dc7e38acSHans Petter Selasky return; 977dc7e38acSHans Petter Selasky } 978dc7e38acSHans Petter Selasky 979dc7e38acSHans Petter Selasky ent->token = alloc_token(cmd); 980dc7e38acSHans Petter Selasky lay = get_inst(cmd, ent->idx); 981dc7e38acSHans Petter Selasky ent->lay = lay; 982dc7e38acSHans Petter Selasky memset(lay, 0, sizeof(*lay)); 983dc7e38acSHans Petter Selasky memcpy(lay->in, ent->in->first.data, sizeof(lay->in)); 984dc7e38acSHans Petter Selasky ent->op = be32_to_cpu(lay->in[0]) >> 16; 985dc7e38acSHans Petter Selasky if (ent->in->next) 986dc7e38acSHans Petter Selasky lay->in_ptr = cpu_to_be64(ent->in->next->dma); 987dc7e38acSHans Petter Selasky lay->inlen = cpu_to_be32(ent->in->len); 988dc7e38acSHans Petter Selasky if (ent->out->next) 989dc7e38acSHans Petter Selasky lay->out_ptr = cpu_to_be64(ent->out->next->dma); 990dc7e38acSHans Petter Selasky lay->outlen = cpu_to_be32(ent->out->len); 991dc7e38acSHans Petter Selasky lay->type = MLX5_PCI_CMD_XPORT; 992dc7e38acSHans Petter Selasky lay->token = ent->token; 993dc7e38acSHans Petter Selasky lay->status_own = CMD_OWNER_HW; 994dc7e38acSHans Petter Selasky set_signature(ent, !cmd->checksum_disabled); 995dc7e38acSHans Petter Selasky dump_command(dev, ent, 1); 996dc7e38acSHans Petter Selasky ent->ts1 = ktime_get_ns(); 99730dfc051SHans Petter Selasky ent->busy = 0; 998dc7e38acSHans Petter Selasky /* ring doorbell after the descriptor is valid */ 999dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); 1000dc7e38acSHans Petter Selasky wmb(); 1001dc7e38acSHans Petter Selasky iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell); 1002dc7e38acSHans Petter Selasky mmiowb(); 1003dc7e38acSHans Petter Selasky /* if not in polling don't use ent after this point*/ 1004dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 1005dc7e38acSHans Petter Selasky poll_timeout(ent); 1006dc7e38acSHans Petter Selasky /* make sure we read the descriptor after ownership is SW */ 1007dc7e38acSHans Petter Selasky rmb(); 1008d0ce5a0dSHans Petter Selasky mlx5_cmd_comp_handler(dev, 1U << ent->idx); 1009dc7e38acSHans Petter Selasky } 1010dc7e38acSHans Petter Selasky } 1011dc7e38acSHans Petter Selasky 1012dc7e38acSHans Petter Selasky static const char *deliv_status_to_str(u8 status) 1013dc7e38acSHans Petter Selasky { 1014dc7e38acSHans Petter Selasky switch (status) { 1015dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OK: 1016dc7e38acSHans Petter Selasky return "no errors"; 1017dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR: 1018dc7e38acSHans Petter Selasky return "signature error"; 1019dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_TOK_ERR: 1020dc7e38acSHans Petter Selasky return "token error"; 1021dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR: 1022dc7e38acSHans Petter Selasky return "bad block number"; 1023dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR: 1024dc7e38acSHans Petter Selasky return "output pointer not aligned to block size"; 1025dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR: 1026dc7e38acSHans Petter Selasky return "input pointer not aligned to block size"; 1027dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_FW_ERR: 1028dc7e38acSHans Petter Selasky return "firmware internal error"; 1029dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR: 1030dc7e38acSHans Petter Selasky return "command input length error"; 1031dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR: 1032dc7e38acSHans Petter Selasky return "command ouput length error"; 1033dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR: 1034dc7e38acSHans Petter Selasky return "reserved fields not cleared"; 1035dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR: 1036dc7e38acSHans Petter Selasky return "bad command descriptor type"; 1037dc7e38acSHans Petter Selasky default: 1038dc7e38acSHans Petter Selasky return "unknown status code"; 1039dc7e38acSHans Petter Selasky } 1040dc7e38acSHans Petter Selasky } 1041dc7e38acSHans Petter Selasky 1042dc7e38acSHans Petter Selasky static u16 msg_to_opcode(struct mlx5_cmd_msg *in) 1043dc7e38acSHans Petter Selasky { 1044dc7e38acSHans Petter Selasky struct mlx5_inbox_hdr *hdr = (struct mlx5_inbox_hdr *)(in->first.data); 1045dc7e38acSHans Petter Selasky 1046dc7e38acSHans Petter Selasky return be16_to_cpu(hdr->opcode); 1047dc7e38acSHans Petter Selasky } 1048dc7e38acSHans Petter Selasky 1049dc7e38acSHans Petter Selasky static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) 1050dc7e38acSHans Petter Selasky { 1051dc7e38acSHans Petter Selasky int timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 1052dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1053dc7e38acSHans Petter Selasky int err; 1054dc7e38acSHans Petter Selasky 1055dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 1056dc7e38acSHans Petter Selasky wait_for_completion(&ent->done); 1057dc7e38acSHans Petter Selasky err = ent->ret; 1058dc7e38acSHans Petter Selasky } else { 1059dc7e38acSHans Petter Selasky if (!wait_for_completion_timeout(&ent->done, timeout)) 1060dc7e38acSHans Petter Selasky err = -ETIMEDOUT; 1061dc7e38acSHans Petter Selasky else 1062dc7e38acSHans Petter Selasky err = 0; 1063dc7e38acSHans Petter Selasky } 106430dfc051SHans Petter Selasky 1065dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) { 1066dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 1067dc7e38acSHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 1068dc7e38acSHans Petter Selasky msg_to_opcode(ent->in)); 1069dc7e38acSHans Petter Selasky } 1070dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", 1071dc7e38acSHans Petter Selasky err, deliv_status_to_str(ent->status), ent->status); 1072dc7e38acSHans Petter Selasky 1073dc7e38acSHans Petter Selasky return err; 1074dc7e38acSHans Petter Selasky } 1075dc7e38acSHans Petter Selasky 1076dc7e38acSHans Petter Selasky /* Notes: 1077dc7e38acSHans Petter Selasky * 1. Callback functions may not sleep 1078dc7e38acSHans Petter Selasky * 2. page queue commands do not support asynchrous completion 1079dc7e38acSHans Petter Selasky */ 1080dc7e38acSHans Petter Selasky static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, 1081dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, void *uout, int uout_size, 1082dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t callback, 1083dc7e38acSHans Petter Selasky void *context, int page_queue, u8 *status) 1084dc7e38acSHans Petter Selasky { 1085dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1086dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 1087dc7e38acSHans Petter Selasky struct mlx5_cmd_stats *stats; 1088dc7e38acSHans Petter Selasky int err = 0; 1089dc7e38acSHans Petter Selasky s64 ds; 1090dc7e38acSHans Petter Selasky u16 op; 1091dc7e38acSHans Petter Selasky 1092dc7e38acSHans Petter Selasky if (callback && page_queue) 1093dc7e38acSHans Petter Selasky return -EINVAL; 1094dc7e38acSHans Petter Selasky 1095dc7e38acSHans Petter Selasky ent = alloc_cmd(cmd, in, out, uout, uout_size, callback, context, 1096dc7e38acSHans Petter Selasky page_queue); 1097dc7e38acSHans Petter Selasky if (IS_ERR(ent)) 1098dc7e38acSHans Petter Selasky return PTR_ERR(ent); 1099dc7e38acSHans Petter Selasky 1100dc7e38acSHans Petter Selasky if (!callback) 1101dc7e38acSHans Petter Selasky init_completion(&ent->done); 1102dc7e38acSHans Petter Selasky 1103dc7e38acSHans Petter Selasky INIT_WORK(&ent->work, cmd_work_handler); 1104dc7e38acSHans Petter Selasky if (page_queue) { 1105dc7e38acSHans Petter Selasky cmd_work_handler(&ent->work); 1106dc7e38acSHans Petter Selasky } else if (!queue_work(cmd->wq, &ent->work)) { 1107dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to queue work\n"); 1108dc7e38acSHans Petter Selasky err = -ENOMEM; 1109dc7e38acSHans Petter Selasky goto out_free; 1110dc7e38acSHans Petter Selasky } 1111dc7e38acSHans Petter Selasky 1112dc7e38acSHans Petter Selasky if (!callback) { 1113dc7e38acSHans Petter Selasky err = wait_func(dev, ent); 1114dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) 1115dc7e38acSHans Petter Selasky goto out; 1116dc7e38acSHans Petter Selasky 1117dc7e38acSHans Petter Selasky ds = ent->ts2 - ent->ts1; 1118dc7e38acSHans Petter Selasky op = be16_to_cpu(((struct mlx5_inbox_hdr *)in->first.data)->opcode); 1119dc7e38acSHans Petter Selasky if (op < ARRAY_SIZE(cmd->stats)) { 1120dc7e38acSHans Petter Selasky stats = &cmd->stats[op]; 1121dc7e38acSHans Petter Selasky spin_lock_irq(&stats->lock); 1122dc7e38acSHans Petter Selasky stats->sum += ds; 1123dc7e38acSHans Petter Selasky ++stats->n; 1124dc7e38acSHans Petter Selasky spin_unlock_irq(&stats->lock); 1125dc7e38acSHans Petter Selasky } 1126dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, 1127dc7e38acSHans Petter Selasky "fw exec time for %s is %lld nsec\n", 1128dc7e38acSHans Petter Selasky mlx5_command_str(op), (long long)ds); 1129dc7e38acSHans Petter Selasky *status = ent->status; 1130dc7e38acSHans Petter Selasky free_cmd(ent); 1131dc7e38acSHans Petter Selasky } 1132dc7e38acSHans Petter Selasky 1133dc7e38acSHans Petter Selasky return err; 1134dc7e38acSHans Petter Selasky 1135dc7e38acSHans Petter Selasky out_free: 1136dc7e38acSHans Petter Selasky free_cmd(ent); 1137dc7e38acSHans Petter Selasky out: 1138dc7e38acSHans Petter Selasky return err; 1139dc7e38acSHans Petter Selasky } 1140dc7e38acSHans Petter Selasky 1141dc7e38acSHans Petter Selasky static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, int size) 1142dc7e38acSHans Petter Selasky { 1143dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1144dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next; 1145dc7e38acSHans Petter Selasky int copy; 1146dc7e38acSHans Petter Selasky 1147dc7e38acSHans Petter Selasky if (!to || !from) 1148dc7e38acSHans Petter Selasky return -ENOMEM; 1149dc7e38acSHans Petter Selasky 1150dc7e38acSHans Petter Selasky copy = min_t(int, size, sizeof(to->first.data)); 1151dc7e38acSHans Petter Selasky memcpy(to->first.data, from, copy); 1152dc7e38acSHans Petter Selasky size -= copy; 1153dc7e38acSHans Petter Selasky from += copy; 1154dc7e38acSHans Petter Selasky 1155dc7e38acSHans Petter Selasky next = to->next; 1156dc7e38acSHans Petter Selasky while (size) { 1157dc7e38acSHans Petter Selasky if (!next) { 1158dc7e38acSHans Petter Selasky /* this is a BUG */ 1159dc7e38acSHans Petter Selasky return -ENOMEM; 1160dc7e38acSHans Petter Selasky } 1161dc7e38acSHans Petter Selasky 1162dc7e38acSHans Petter Selasky copy = min_t(int, size, MLX5_CMD_DATA_BLOCK_SIZE); 1163dc7e38acSHans Petter Selasky block = next->buf; 1164dc7e38acSHans Petter Selasky memcpy(block->data, from, copy); 1165dc7e38acSHans Petter Selasky from += copy; 1166dc7e38acSHans Petter Selasky size -= copy; 1167dc7e38acSHans Petter Selasky next = next->next; 1168dc7e38acSHans Petter Selasky } 1169dc7e38acSHans Petter Selasky 1170dc7e38acSHans Petter Selasky return 0; 1171dc7e38acSHans Petter Selasky } 1172dc7e38acSHans Petter Selasky 1173dc7e38acSHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) 1174dc7e38acSHans Petter Selasky { 1175dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1176dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next; 1177dc7e38acSHans Petter Selasky int copy; 1178dc7e38acSHans Petter Selasky 1179dc7e38acSHans Petter Selasky if (!to || !from) 1180dc7e38acSHans Petter Selasky return -ENOMEM; 1181dc7e38acSHans Petter Selasky 1182dc7e38acSHans Petter Selasky copy = min_t(int, size, sizeof(from->first.data)); 1183dc7e38acSHans Petter Selasky memcpy(to, from->first.data, copy); 1184dc7e38acSHans Petter Selasky size -= copy; 1185dc7e38acSHans Petter Selasky to += copy; 1186dc7e38acSHans Petter Selasky 1187dc7e38acSHans Petter Selasky next = from->next; 1188dc7e38acSHans Petter Selasky while (size) { 1189dc7e38acSHans Petter Selasky if (!next) { 1190dc7e38acSHans Petter Selasky /* this is a BUG */ 1191dc7e38acSHans Petter Selasky return -ENOMEM; 1192dc7e38acSHans Petter Selasky } 1193dc7e38acSHans Petter Selasky 1194dc7e38acSHans Petter Selasky copy = min_t(int, size, MLX5_CMD_DATA_BLOCK_SIZE); 1195dc7e38acSHans Petter Selasky block = next->buf; 1196dc7e38acSHans Petter Selasky 1197dc7e38acSHans Petter Selasky memcpy(to, block->data, copy); 1198dc7e38acSHans Petter Selasky to += copy; 1199dc7e38acSHans Petter Selasky size -= copy; 1200dc7e38acSHans Petter Selasky next = next->next; 1201dc7e38acSHans Petter Selasky } 1202dc7e38acSHans Petter Selasky 1203dc7e38acSHans Petter Selasky return 0; 1204dc7e38acSHans Petter Selasky } 1205dc7e38acSHans Petter Selasky 1206dc7e38acSHans Petter Selasky static struct mlx5_cmd_mailbox *alloc_cmd_box(struct mlx5_core_dev *dev, 1207dc7e38acSHans Petter Selasky gfp_t flags) 1208dc7e38acSHans Petter Selasky { 1209dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *mailbox; 1210dc7e38acSHans Petter Selasky 1211dc7e38acSHans Petter Selasky mailbox = kmalloc(sizeof(*mailbox), flags); 1212dc7e38acSHans Petter Selasky if (!mailbox) 1213dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 1214dc7e38acSHans Petter Selasky 1215dc7e38acSHans Petter Selasky mailbox->buf = pci_pool_alloc(dev->cmd.pool, flags, 1216dc7e38acSHans Petter Selasky &mailbox->dma); 1217dc7e38acSHans Petter Selasky if (!mailbox->buf) { 1218dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "failed allocation\n"); 1219dc7e38acSHans Petter Selasky kfree(mailbox); 1220dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 1221dc7e38acSHans Petter Selasky } 1222dc7e38acSHans Petter Selasky memset(mailbox->buf, 0, sizeof(struct mlx5_cmd_prot_block)); 1223dc7e38acSHans Petter Selasky mailbox->next = NULL; 1224dc7e38acSHans Petter Selasky 1225dc7e38acSHans Petter Selasky return mailbox; 1226dc7e38acSHans Petter Selasky } 1227dc7e38acSHans Petter Selasky 1228dc7e38acSHans Petter Selasky static void free_cmd_box(struct mlx5_core_dev *dev, 1229dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *mailbox) 1230dc7e38acSHans Petter Selasky { 1231dc7e38acSHans Petter Selasky pci_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma); 1232dc7e38acSHans Petter Selasky kfree(mailbox); 1233dc7e38acSHans Petter Selasky } 1234dc7e38acSHans Petter Selasky 1235dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, 1236dc7e38acSHans Petter Selasky gfp_t flags, int size) 1237dc7e38acSHans Petter Selasky { 1238dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *tmp, *head = NULL; 1239dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1240dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1241dc7e38acSHans Petter Selasky int blen; 1242dc7e38acSHans Petter Selasky int err; 1243dc7e38acSHans Petter Selasky int n; 1244dc7e38acSHans Petter Selasky int i; 1245dc7e38acSHans Petter Selasky 1246dc7e38acSHans Petter Selasky msg = kzalloc(sizeof(*msg), flags); 1247dc7e38acSHans Petter Selasky if (!msg) 1248dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 1249dc7e38acSHans Petter Selasky 1250dc7e38acSHans Petter Selasky blen = size - min_t(int, sizeof(msg->first.data), size); 1251dc7e38acSHans Petter Selasky n = (blen + MLX5_CMD_DATA_BLOCK_SIZE - 1) / MLX5_CMD_DATA_BLOCK_SIZE; 1252dc7e38acSHans Petter Selasky 1253dc7e38acSHans Petter Selasky for (i = 0; i < n; i++) { 1254dc7e38acSHans Petter Selasky tmp = alloc_cmd_box(dev, flags); 1255dc7e38acSHans Petter Selasky if (IS_ERR(tmp)) { 1256dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed allocating block\n"); 1257dc7e38acSHans Petter Selasky err = PTR_ERR(tmp); 1258dc7e38acSHans Petter Selasky goto err_alloc; 1259dc7e38acSHans Petter Selasky } 1260dc7e38acSHans Petter Selasky 1261dc7e38acSHans Petter Selasky block = tmp->buf; 1262dc7e38acSHans Petter Selasky tmp->next = head; 1263dc7e38acSHans Petter Selasky block->next = cpu_to_be64(tmp->next ? tmp->next->dma : 0); 1264dc7e38acSHans Petter Selasky block->block_num = cpu_to_be32(n - i - 1); 1265dc7e38acSHans Petter Selasky head = tmp; 1266dc7e38acSHans Petter Selasky } 1267dc7e38acSHans Petter Selasky msg->next = head; 1268dc7e38acSHans Petter Selasky msg->len = size; 1269dc7e38acSHans Petter Selasky return msg; 1270dc7e38acSHans Petter Selasky 1271dc7e38acSHans Petter Selasky err_alloc: 1272dc7e38acSHans Petter Selasky while (head) { 1273dc7e38acSHans Petter Selasky tmp = head->next; 1274dc7e38acSHans Petter Selasky free_cmd_box(dev, head); 1275dc7e38acSHans Petter Selasky head = tmp; 1276dc7e38acSHans Petter Selasky } 1277dc7e38acSHans Petter Selasky kfree(msg); 1278dc7e38acSHans Petter Selasky 1279dc7e38acSHans Petter Selasky return ERR_PTR(err); 1280dc7e38acSHans Petter Selasky } 1281dc7e38acSHans Petter Selasky 1282dc7e38acSHans Petter Selasky static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, 1283dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg) 1284dc7e38acSHans Petter Selasky { 1285dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *head = msg->next; 1286dc7e38acSHans Petter Selasky struct mlx5_cmd_mailbox *next; 1287dc7e38acSHans Petter Selasky 1288dc7e38acSHans Petter Selasky while (head) { 1289dc7e38acSHans Petter Selasky next = head->next; 1290dc7e38acSHans Petter Selasky free_cmd_box(dev, head); 1291dc7e38acSHans Petter Selasky head = next; 1292dc7e38acSHans Petter Selasky } 1293dc7e38acSHans Petter Selasky kfree(msg); 1294dc7e38acSHans Petter Selasky } 1295dc7e38acSHans Petter Selasky 1296dc7e38acSHans Petter Selasky static void set_wqname(struct mlx5_core_dev *dev) 1297dc7e38acSHans Petter Selasky { 1298dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1299dc7e38acSHans Petter Selasky 1300dc7e38acSHans Petter Selasky snprintf(cmd->wq_name, sizeof(cmd->wq_name), "mlx5_cmd_%s", 1301dc7e38acSHans Petter Selasky dev_name(&dev->pdev->dev)); 1302dc7e38acSHans Petter Selasky } 1303dc7e38acSHans Petter Selasky 1304dc7e38acSHans Petter Selasky static void clean_debug_files(struct mlx5_core_dev *dev) 1305dc7e38acSHans Petter Selasky { 1306dc7e38acSHans Petter Selasky } 1307dc7e38acSHans Petter Selasky 1308dc7e38acSHans Petter Selasky 1309dc7e38acSHans Petter Selasky void mlx5_cmd_use_events(struct mlx5_core_dev *dev) 1310dc7e38acSHans Petter Selasky { 1311dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1312dc7e38acSHans Petter Selasky int i; 1313dc7e38acSHans Petter Selasky 1314dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1315dc7e38acSHans Petter Selasky down(&cmd->sem); 1316dc7e38acSHans Petter Selasky 1317dc7e38acSHans Petter Selasky down(&cmd->pages_sem); 1318dc7e38acSHans Petter Selasky 1319dc7e38acSHans Petter Selasky flush_workqueue(cmd->wq); 1320dc7e38acSHans Petter Selasky 1321dc7e38acSHans Petter Selasky cmd->mode = CMD_MODE_EVENTS; 1322dc7e38acSHans Petter Selasky 1323dc7e38acSHans Petter Selasky up(&cmd->pages_sem); 1324dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1325dc7e38acSHans Petter Selasky up(&cmd->sem); 1326dc7e38acSHans Petter Selasky } 1327dc7e38acSHans Petter Selasky 1328dc7e38acSHans Petter Selasky void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) 1329dc7e38acSHans Petter Selasky { 1330dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1331dc7e38acSHans Petter Selasky 1332dc7e38acSHans Petter Selasky synchronize_irq(dev->priv.eq_table.pages_eq.irqn); 1333dc7e38acSHans Petter Selasky flush_workqueue(dev->priv.pg_wq); 1334dc7e38acSHans Petter Selasky cmd->moving_to_polling = 1; 1335dc7e38acSHans Petter Selasky flush_workqueue(cmd->wq); 1336dc7e38acSHans Petter Selasky cmd->mode = CMD_MODE_POLLING; 1337dc7e38acSHans Petter Selasky cmd->moving_to_polling = 0; 1338dc7e38acSHans Petter Selasky } 1339dc7e38acSHans Petter Selasky 1340dc7e38acSHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1341dc7e38acSHans Petter Selasky { 1342dc7e38acSHans Petter Selasky unsigned long flags; 1343dc7e38acSHans Petter Selasky 1344dc7e38acSHans Petter Selasky if (msg->cache) { 1345dc7e38acSHans Petter Selasky spin_lock_irqsave(&msg->cache->lock, flags); 1346dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &msg->cache->head); 1347dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&msg->cache->lock, flags); 1348dc7e38acSHans Petter Selasky } else { 1349dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1350dc7e38acSHans Petter Selasky } 1351dc7e38acSHans Petter Selasky } 1352dc7e38acSHans Petter Selasky 1353d0ce5a0dSHans Petter Selasky void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u32 vector) 1354dc7e38acSHans Petter Selasky { 1355dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1356dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 1357dc7e38acSHans Petter Selasky int i; 1358dc7e38acSHans Petter Selasky 1359d0ce5a0dSHans Petter Selasky while (vector != 0) { 1360d0ce5a0dSHans Petter Selasky i = ffs(vector) - 1; 1361d0ce5a0dSHans Petter Selasky vector &= ~(1U << i); 1362dc7e38acSHans Petter Selasky ent = cmd->ent_arr[i]; 1363dc7e38acSHans Petter Selasky ent->ts2 = ktime_get_ns(); 1364d0ce5a0dSHans Petter Selasky memcpy(ent->out->first.data, ent->lay->out, 1365d0ce5a0dSHans Petter Selasky sizeof(ent->lay->out)); 1366dc7e38acSHans Petter Selasky dump_command(dev, ent, 0); 1367dc7e38acSHans Petter Selasky if (!ent->ret) { 1368dc7e38acSHans Petter Selasky if (!cmd->checksum_disabled) 1369dc7e38acSHans Petter Selasky ent->ret = verify_signature(ent); 1370dc7e38acSHans Petter Selasky else 1371dc7e38acSHans Petter Selasky ent->ret = 0; 1372dc7e38acSHans Petter Selasky ent->status = ent->lay->status_own >> 1; 137330dfc051SHans Petter Selasky 1374d0ce5a0dSHans Petter Selasky mlx5_core_dbg(dev, 1375d0ce5a0dSHans Petter Selasky "FW command ret 0x%x, status %s(0x%x)\n", 1376d0ce5a0dSHans Petter Selasky ent->ret, 1377d0ce5a0dSHans Petter Selasky deliv_status_to_str(ent->status), 1378d0ce5a0dSHans Petter Selasky ent->status); 1379dc7e38acSHans Petter Selasky } 1380dc7e38acSHans Petter Selasky free_ent(cmd, ent->idx); 13818e7e0ce1SHans Petter Selasky complete_command(ent); 1382dc7e38acSHans Petter Selasky } 1383dc7e38acSHans Petter Selasky } 1384dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_comp_handler); 1385dc7e38acSHans Petter Selasky 138630dfc051SHans Petter Selasky void mlx5_trigger_cmd_completions(struct mlx5_core_dev *dev) 138730dfc051SHans Petter Selasky { 138830dfc051SHans Petter Selasky unsigned long vector; 138930dfc051SHans Petter Selasky int i = 0; 139030dfc051SHans Petter Selasky unsigned long flags; 139130dfc051SHans Petter Selasky synchronize_irq(dev->priv.eq_table.cmd_eq.irqn); 139230dfc051SHans Petter Selasky spin_lock_irqsave(&dev->cmd.alloc_lock, flags); 139330dfc051SHans Petter Selasky vector = ~dev->cmd.bitmask & ((1ul << (1 << dev->cmd.log_sz)) - 1); 139430dfc051SHans Petter Selasky spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags); 139530dfc051SHans Petter Selasky 139630dfc051SHans Petter Selasky if (!vector) 139730dfc051SHans Petter Selasky return; 139830dfc051SHans Petter Selasky 139930dfc051SHans Petter Selasky for (i = 0; i < (1 << dev->cmd.log_sz); i++) { 140030dfc051SHans Petter Selasky struct mlx5_cmd_work_ent *ent = dev->cmd.ent_arr[i]; 140130dfc051SHans Petter Selasky 140230dfc051SHans Petter Selasky if (!test_bit(i, &vector)) 140330dfc051SHans Petter Selasky continue; 140430dfc051SHans Petter Selasky 140530dfc051SHans Petter Selasky while (ent->busy) 140630dfc051SHans Petter Selasky usleep_range(1000, 1100); 140730dfc051SHans Petter Selasky free_ent(&dev->cmd, i); 140830dfc051SHans Petter Selasky complete_command(ent); 140930dfc051SHans Petter Selasky } 141030dfc051SHans Petter Selasky } 141130dfc051SHans Petter Selasky EXPORT_SYMBOL(mlx5_trigger_cmd_completions); 141230dfc051SHans Petter Selasky 1413dc7e38acSHans Petter Selasky static int status_to_err(u8 status) 1414dc7e38acSHans Petter Selasky { 1415dc7e38acSHans Petter Selasky return status ? -1 : 0; /* TBD more meaningful codes */ 1416dc7e38acSHans Petter Selasky } 1417dc7e38acSHans Petter Selasky 1418dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, 1419dc7e38acSHans Petter Selasky gfp_t gfp) 1420dc7e38acSHans Petter Selasky { 1421dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM); 1422dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1423dc7e38acSHans Petter Selasky struct cache_ent *ent = NULL; 1424dc7e38acSHans Petter Selasky 1425dc7e38acSHans Petter Selasky if (in_size > MED_LIST_SIZE && in_size <= LONG_LIST_SIZE) 1426dc7e38acSHans Petter Selasky ent = &cmd->cache.large; 1427dc7e38acSHans Petter Selasky else if (in_size > 16 && in_size <= MED_LIST_SIZE) 1428dc7e38acSHans Petter Selasky ent = &cmd->cache.med; 1429dc7e38acSHans Petter Selasky 1430dc7e38acSHans Petter Selasky if (ent) { 1431dc7e38acSHans Petter Selasky spin_lock_irq(&ent->lock); 1432dc7e38acSHans Petter Selasky if (!list_empty(&ent->head)) { 1433dc7e38acSHans Petter Selasky msg = list_entry(ent->head.next, struct mlx5_cmd_msg, 1434dc7e38acSHans Petter Selasky list); 1435dc7e38acSHans Petter Selasky /* For cached lists, we must explicitly state what is 1436dc7e38acSHans Petter Selasky * the real size 1437dc7e38acSHans Petter Selasky */ 1438dc7e38acSHans Petter Selasky msg->len = in_size; 1439dc7e38acSHans Petter Selasky list_del(&msg->list); 1440dc7e38acSHans Petter Selasky } 1441dc7e38acSHans Petter Selasky spin_unlock_irq(&ent->lock); 1442dc7e38acSHans Petter Selasky } 1443dc7e38acSHans Petter Selasky 1444dc7e38acSHans Petter Selasky if (IS_ERR(msg)) 1445dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); 1446dc7e38acSHans Petter Selasky 1447dc7e38acSHans Petter Selasky return msg; 1448dc7e38acSHans Petter Selasky } 1449dc7e38acSHans Petter Selasky 1450dc7e38acSHans Petter Selasky static int is_manage_pages(struct mlx5_inbox_hdr *in) 1451dc7e38acSHans Petter Selasky { 1452dc7e38acSHans Petter Selasky return be16_to_cpu(in->opcode) == MLX5_CMD_OP_MANAGE_PAGES; 1453dc7e38acSHans Petter Selasky } 1454dc7e38acSHans Petter Selasky 145530dfc051SHans Petter Selasky static int cmd_exec_helper(struct mlx5_core_dev *dev, 145630dfc051SHans Petter Selasky void *in, int in_size, 145730dfc051SHans Petter Selasky void *out, int out_size, 145830dfc051SHans Petter Selasky mlx5_cmd_cbk_t callback, void *context) 1459dc7e38acSHans Petter Selasky { 1460dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *inb; 1461dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *outb; 1462dc7e38acSHans Petter Selasky int pages_queue; 1463dc7e38acSHans Petter Selasky gfp_t gfp; 1464dc7e38acSHans Petter Selasky int err; 1465dc7e38acSHans Petter Selasky u8 status = 0; 1466dc7e38acSHans Petter Selasky 1467dc7e38acSHans Petter Selasky pages_queue = is_manage_pages(in); 1468dc7e38acSHans Petter Selasky gfp = callback ? GFP_ATOMIC : GFP_KERNEL; 1469dc7e38acSHans Petter Selasky 1470dc7e38acSHans Petter Selasky inb = alloc_msg(dev, in_size, gfp); 1471dc7e38acSHans Petter Selasky if (IS_ERR(inb)) { 1472dc7e38acSHans Petter Selasky err = PTR_ERR(inb); 1473dc7e38acSHans Petter Selasky return err; 1474dc7e38acSHans Petter Selasky } 1475dc7e38acSHans Petter Selasky 1476dc7e38acSHans Petter Selasky err = mlx5_copy_to_msg(inb, in, in_size); 1477dc7e38acSHans Petter Selasky if (err) { 1478dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "err %d\n", err); 1479dc7e38acSHans Petter Selasky goto out_in; 1480dc7e38acSHans Petter Selasky } 1481dc7e38acSHans Petter Selasky 1482dc7e38acSHans Petter Selasky outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); 1483dc7e38acSHans Petter Selasky if (IS_ERR(outb)) { 1484dc7e38acSHans Petter Selasky err = PTR_ERR(outb); 1485dc7e38acSHans Petter Selasky goto out_in; 1486dc7e38acSHans Petter Selasky } 1487dc7e38acSHans Petter Selasky 1488dc7e38acSHans Petter Selasky err = mlx5_cmd_invoke(dev, inb, outb, out, out_size, callback, context, 1489dc7e38acSHans Petter Selasky pages_queue, &status); 149097ac3908SHans Petter Selasky if (err) { 149197ac3908SHans Petter Selasky if (err == -ETIMEDOUT) 149297ac3908SHans Petter Selasky return err; 1493dc7e38acSHans Petter Selasky goto out_out; 149497ac3908SHans Petter Selasky } 1495dc7e38acSHans Petter Selasky 1496dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, status %d\n", err, status); 1497dc7e38acSHans Petter Selasky if (status) { 1498dc7e38acSHans Petter Selasky err = status_to_err(status); 1499dc7e38acSHans Petter Selasky goto out_out; 1500dc7e38acSHans Petter Selasky } 1501dc7e38acSHans Petter Selasky 1502dc7e38acSHans Petter Selasky if (callback) 1503dc7e38acSHans Petter Selasky return err; 1504dc7e38acSHans Petter Selasky 1505dc7e38acSHans Petter Selasky err = mlx5_copy_from_msg(out, outb, out_size); 1506dc7e38acSHans Petter Selasky 1507dc7e38acSHans Petter Selasky out_out: 1508dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, outb); 1509dc7e38acSHans Petter Selasky 1510dc7e38acSHans Petter Selasky out_in: 1511dc7e38acSHans Petter Selasky free_msg(dev, inb); 1512dc7e38acSHans Petter Selasky return err; 1513dc7e38acSHans Petter Selasky } 1514dc7e38acSHans Petter Selasky 1515dc7e38acSHans Petter Selasky int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1516dc7e38acSHans Petter Selasky int out_size) 1517dc7e38acSHans Petter Selasky { 1518dc7e38acSHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL); 1519dc7e38acSHans Petter Selasky } 1520dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec); 1521dc7e38acSHans Petter Selasky 1522dc7e38acSHans Petter Selasky int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, 1523dc7e38acSHans Petter Selasky void *out, int out_size, mlx5_cmd_cbk_t callback, 1524dc7e38acSHans Petter Selasky void *context) 1525dc7e38acSHans Petter Selasky { 1526dc7e38acSHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, callback, context); 1527dc7e38acSHans Petter Selasky } 1528dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_cb); 1529dc7e38acSHans Petter Selasky 1530dc7e38acSHans Petter Selasky static void destroy_msg_cache(struct mlx5_core_dev *dev) 1531dc7e38acSHans Petter Selasky { 1532dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1533dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1534dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *n; 1535dc7e38acSHans Petter Selasky 1536dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.large.head, list) { 1537dc7e38acSHans Petter Selasky list_del(&msg->list); 1538dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1539dc7e38acSHans Petter Selasky } 1540dc7e38acSHans Petter Selasky 1541dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.med.head, list) { 1542dc7e38acSHans Petter Selasky list_del(&msg->list); 1543dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1544dc7e38acSHans Petter Selasky } 1545dc7e38acSHans Petter Selasky } 1546dc7e38acSHans Petter Selasky 1547dc7e38acSHans Petter Selasky static int create_msg_cache(struct mlx5_core_dev *dev) 1548dc7e38acSHans Petter Selasky { 1549dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1550dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1551dc7e38acSHans Petter Selasky int err; 1552dc7e38acSHans Petter Selasky int i; 1553dc7e38acSHans Petter Selasky 1554dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.large.lock); 1555dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.large.head); 1556dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.med.lock); 1557dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.med.head); 1558dc7e38acSHans Petter Selasky 1559dc7e38acSHans Petter Selasky for (i = 0; i < NUM_LONG_LISTS; i++) { 1560dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE); 1561dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1562dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1563dc7e38acSHans Petter Selasky goto ex_err; 1564dc7e38acSHans Petter Selasky } 1565dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.large; 1566dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.large.head); 1567dc7e38acSHans Petter Selasky } 1568dc7e38acSHans Petter Selasky 1569dc7e38acSHans Petter Selasky for (i = 0; i < NUM_MED_LISTS; i++) { 1570dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); 1571dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1572dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1573dc7e38acSHans Petter Selasky goto ex_err; 1574dc7e38acSHans Petter Selasky } 1575dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.med; 1576dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.med.head); 1577dc7e38acSHans Petter Selasky } 1578dc7e38acSHans Petter Selasky 1579dc7e38acSHans Petter Selasky return 0; 1580dc7e38acSHans Petter Selasky 1581dc7e38acSHans Petter Selasky ex_err: 1582dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1583dc7e38acSHans Petter Selasky return err; 1584dc7e38acSHans Petter Selasky } 1585dc7e38acSHans Petter Selasky 1586dc7e38acSHans Petter Selasky static int alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1587dc7e38acSHans Petter Selasky { 1588dc7e38acSHans Petter Selasky struct device *ddev = &dev->pdev->dev; 1589dc7e38acSHans Petter Selasky cmd->cmd_alloc_buf = dma_zalloc_coherent(ddev, MLX5_ADAPTER_PAGE_SIZE, 1590dc7e38acSHans Petter Selasky &cmd->alloc_dma, GFP_KERNEL); 1591dc7e38acSHans Petter Selasky if (!cmd->cmd_alloc_buf) 1592dc7e38acSHans Petter Selasky return -ENOMEM; 1593dc7e38acSHans Petter Selasky 1594dc7e38acSHans Petter Selasky /* make sure it is aligned to 4K */ 1595dc7e38acSHans Petter Selasky if (!((uintptr_t)cmd->cmd_alloc_buf & (MLX5_ADAPTER_PAGE_SIZE - 1))) { 1596dc7e38acSHans Petter Selasky cmd->cmd_buf = cmd->cmd_alloc_buf; 1597dc7e38acSHans Petter Selasky cmd->dma = cmd->alloc_dma; 1598dc7e38acSHans Petter Selasky cmd->alloc_size = MLX5_ADAPTER_PAGE_SIZE; 1599dc7e38acSHans Petter Selasky return 0; 1600dc7e38acSHans Petter Selasky } 1601dc7e38acSHans Petter Selasky 1602dc7e38acSHans Petter Selasky dma_free_coherent(ddev, MLX5_ADAPTER_PAGE_SIZE, cmd->cmd_alloc_buf, cmd->alloc_dma); 1603dc7e38acSHans Petter Selasky cmd->cmd_alloc_buf = dma_zalloc_coherent(ddev, 2 * MLX5_ADAPTER_PAGE_SIZE - 1, 1604dc7e38acSHans Petter Selasky &cmd->alloc_dma, GFP_KERNEL); 1605dc7e38acSHans Petter Selasky if (!cmd->cmd_alloc_buf) 1606dc7e38acSHans Petter Selasky return -ENOMEM; 1607dc7e38acSHans Petter Selasky 1608dc7e38acSHans Petter Selasky cmd->cmd_buf = PTR_ALIGN(cmd->cmd_alloc_buf, MLX5_ADAPTER_PAGE_SIZE); 1609dc7e38acSHans Petter Selasky cmd->dma = ALIGN(cmd->alloc_dma, MLX5_ADAPTER_PAGE_SIZE); 1610dc7e38acSHans Petter Selasky cmd->alloc_size = 2 * MLX5_ADAPTER_PAGE_SIZE - 1; 1611dc7e38acSHans Petter Selasky return 0; 1612dc7e38acSHans Petter Selasky } 1613dc7e38acSHans Petter Selasky 1614dc7e38acSHans Petter Selasky static void free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1615dc7e38acSHans Petter Selasky { 1616dc7e38acSHans Petter Selasky struct device *ddev = &dev->pdev->dev; 1617dc7e38acSHans Petter Selasky dma_free_coherent(ddev, cmd->alloc_size, cmd->cmd_alloc_buf, cmd->alloc_dma); 1618dc7e38acSHans Petter Selasky } 1619dc7e38acSHans Petter Selasky 1620dc7e38acSHans Petter Selasky int mlx5_cmd_init(struct mlx5_core_dev *dev) 1621dc7e38acSHans Petter Selasky { 1622dc7e38acSHans Petter Selasky int size = sizeof(struct mlx5_cmd_prot_block); 1623dc7e38acSHans Petter Selasky int align = roundup_pow_of_two(size); 1624dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1625dc7e38acSHans Petter Selasky u32 cmd_h, cmd_l; 1626dc7e38acSHans Petter Selasky u16 cmd_if_rev; 1627dc7e38acSHans Petter Selasky int err; 1628dc7e38acSHans Petter Selasky int i; 1629dc7e38acSHans Petter Selasky 1630dc7e38acSHans Petter Selasky cmd_if_rev = cmdif_rev_get(dev); 1631dc7e38acSHans Petter Selasky if (cmd_if_rev != CMD_IF_REV) { 1632dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""Driver cmdif rev(%d) differs from firmware's(%d)\n", CMD_IF_REV, cmd_if_rev); 1633dc7e38acSHans Petter Selasky return -EINVAL; 1634dc7e38acSHans Petter Selasky } 1635dc7e38acSHans Petter Selasky 1636dc7e38acSHans Petter Selasky cmd->pool = pci_pool_create("mlx5_cmd", dev->pdev, size, align, 0); 1637dc7e38acSHans Petter Selasky if (!cmd->pool) 1638dc7e38acSHans Petter Selasky return -ENOMEM; 1639dc7e38acSHans Petter Selasky 1640dc7e38acSHans Petter Selasky err = alloc_cmd_page(dev, cmd); 1641dc7e38acSHans Petter Selasky if (err) 1642dc7e38acSHans Petter Selasky goto err_free_pool; 1643dc7e38acSHans Petter Selasky 1644dc7e38acSHans Petter Selasky cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff; 1645dc7e38acSHans Petter Selasky cmd->log_sz = cmd_l >> 4 & 0xf; 1646dc7e38acSHans Petter Selasky cmd->log_stride = cmd_l & 0xf; 1647dc7e38acSHans Petter Selasky if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) { 1648dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""firmware reports too many outstanding commands %d\n", 1 << cmd->log_sz); 1649dc7e38acSHans Petter Selasky err = -EINVAL; 1650dc7e38acSHans Petter Selasky goto err_free_page; 1651dc7e38acSHans Petter Selasky } 1652dc7e38acSHans Petter Selasky 1653dc7e38acSHans Petter Selasky if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) { 1654dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""command queue size overflow\n"); 1655dc7e38acSHans Petter Selasky err = -EINVAL; 1656dc7e38acSHans Petter Selasky goto err_free_page; 1657dc7e38acSHans Petter Selasky } 1658dc7e38acSHans Petter Selasky 1659dc7e38acSHans Petter Selasky cmd->checksum_disabled = 1; 1660dc7e38acSHans Petter Selasky cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; 1661dc7e38acSHans Petter Selasky cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; 1662dc7e38acSHans Petter Selasky 1663dc7e38acSHans Petter Selasky cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 1664dc7e38acSHans Petter Selasky if (cmd->cmdif_rev > CMD_IF_REV) { 1665dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""driver does not support command interface version. driver %d, firmware %d\n", CMD_IF_REV, cmd->cmdif_rev); 1666dc7e38acSHans Petter Selasky err = -ENOTSUPP; 1667dc7e38acSHans Petter Selasky goto err_free_page; 1668dc7e38acSHans Petter Selasky } 1669dc7e38acSHans Petter Selasky 1670dc7e38acSHans Petter Selasky spin_lock_init(&cmd->alloc_lock); 1671dc7e38acSHans Petter Selasky spin_lock_init(&cmd->token_lock); 1672dc7e38acSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(cmd->stats); i++) 1673dc7e38acSHans Petter Selasky spin_lock_init(&cmd->stats[i].lock); 1674dc7e38acSHans Petter Selasky 1675dc7e38acSHans Petter Selasky sema_init(&cmd->sem, cmd->max_reg_cmds); 1676dc7e38acSHans Petter Selasky sema_init(&cmd->pages_sem, 1); 1677dc7e38acSHans Petter Selasky 1678dc7e38acSHans Petter Selasky cmd_h = (u32)((u64)(cmd->dma) >> 32); 1679dc7e38acSHans Petter Selasky cmd_l = (u32)(cmd->dma); 1680dc7e38acSHans Petter Selasky if (cmd_l & 0xfff) { 1681dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""invalid command queue address\n"); 1682dc7e38acSHans Petter Selasky err = -ENOMEM; 1683dc7e38acSHans Petter Selasky goto err_free_page; 1684dc7e38acSHans Petter Selasky } 1685dc7e38acSHans Petter Selasky 1686dc7e38acSHans Petter Selasky iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); 1687dc7e38acSHans Petter Selasky iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); 1688dc7e38acSHans Petter Selasky 1689dc7e38acSHans Petter Selasky /* Make sure firmware sees the complete address before we proceed */ 1690dc7e38acSHans Petter Selasky wmb(); 1691dc7e38acSHans Petter Selasky 1692dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma)); 1693dc7e38acSHans Petter Selasky 1694dc7e38acSHans Petter Selasky cmd->mode = CMD_MODE_POLLING; 1695dc7e38acSHans Petter Selasky 1696dc7e38acSHans Petter Selasky err = create_msg_cache(dev); 1697dc7e38acSHans Petter Selasky if (err) { 1698dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command cache\n"); 1699dc7e38acSHans Petter Selasky goto err_free_page; 1700dc7e38acSHans Petter Selasky } 1701dc7e38acSHans Petter Selasky 1702dc7e38acSHans Petter Selasky set_wqname(dev); 1703dc7e38acSHans Petter Selasky cmd->wq = create_singlethread_workqueue(cmd->wq_name); 1704dc7e38acSHans Petter Selasky if (!cmd->wq) { 1705dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command workqueue\n"); 1706dc7e38acSHans Petter Selasky err = -ENOMEM; 1707dc7e38acSHans Petter Selasky goto err_cache; 1708dc7e38acSHans Petter Selasky } 1709dc7e38acSHans Petter Selasky 1710dc7e38acSHans Petter Selasky return 0; 1711dc7e38acSHans Petter Selasky 1712dc7e38acSHans Petter Selasky err_cache: 1713dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1714dc7e38acSHans Petter Selasky 1715dc7e38acSHans Petter Selasky err_free_page: 1716dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1717dc7e38acSHans Petter Selasky 1718dc7e38acSHans Petter Selasky err_free_pool: 1719dc7e38acSHans Petter Selasky pci_pool_destroy(cmd->pool); 1720dc7e38acSHans Petter Selasky 1721dc7e38acSHans Petter Selasky return err; 1722dc7e38acSHans Petter Selasky } 1723dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init); 1724dc7e38acSHans Petter Selasky 1725dc7e38acSHans Petter Selasky void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) 1726dc7e38acSHans Petter Selasky { 1727dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1728dc7e38acSHans Petter Selasky 1729dc7e38acSHans Petter Selasky clean_debug_files(dev); 1730dc7e38acSHans Petter Selasky destroy_workqueue(cmd->wq); 1731dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1732dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1733dc7e38acSHans Petter Selasky pci_pool_destroy(cmd->pool); 1734dc7e38acSHans Petter Selasky } 1735dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup); 1736dc7e38acSHans Petter Selasky 1737dc7e38acSHans Petter Selasky static const char *cmd_status_str(u8 status) 1738dc7e38acSHans Petter Selasky { 1739dc7e38acSHans Petter Selasky switch (status) { 1740dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_OK: 1741dc7e38acSHans Petter Selasky return "OK"; 1742dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: 1743dc7e38acSHans Petter Selasky return "internal error"; 1744dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: 1745dc7e38acSHans Petter Selasky return "bad operation"; 1746dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: 1747dc7e38acSHans Petter Selasky return "bad parameter"; 1748dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: 1749dc7e38acSHans Petter Selasky return "bad system state"; 1750dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: 1751dc7e38acSHans Petter Selasky return "bad resource"; 1752dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: 1753dc7e38acSHans Petter Selasky return "resource busy"; 1754dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: 1755dc7e38acSHans Petter Selasky return "limits exceeded"; 1756dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: 1757dc7e38acSHans Petter Selasky return "bad resource state"; 1758dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: 1759dc7e38acSHans Petter Selasky return "bad index"; 1760dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: 1761dc7e38acSHans Petter Selasky return "no resources"; 1762dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: 1763dc7e38acSHans Petter Selasky return "bad input length"; 1764dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: 1765dc7e38acSHans Petter Selasky return "bad output length"; 1766dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: 1767dc7e38acSHans Petter Selasky return "bad QP state"; 1768dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: 1769dc7e38acSHans Petter Selasky return "bad packet (discarded)"; 1770dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: 1771dc7e38acSHans Petter Selasky return "bad size too many outstanding CQEs"; 1772dc7e38acSHans Petter Selasky default: 1773dc7e38acSHans Petter Selasky return "unknown status"; 1774dc7e38acSHans Petter Selasky } 1775dc7e38acSHans Petter Selasky } 1776dc7e38acSHans Petter Selasky 1777dc7e38acSHans Petter Selasky static int cmd_status_to_err_helper(u8 status) 1778dc7e38acSHans Petter Selasky { 1779dc7e38acSHans Petter Selasky switch (status) { 1780dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_OK: return 0; 1781dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: return -EIO; 1782dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL; 1783dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: return -EINVAL; 1784dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; 1785dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; 1786dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; 1787dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; 1788dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; 1789dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: return -EINVAL; 1790dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; 1791dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: return -EIO; 1792dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: return -EIO; 1793dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: return -EINVAL; 1794dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: return -EINVAL; 1795dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: return -EINVAL; 1796dc7e38acSHans Petter Selasky default: return -EIO; 1797dc7e38acSHans Petter Selasky } 1798dc7e38acSHans Petter Selasky } 1799dc7e38acSHans Petter Selasky 1800dc7e38acSHans Petter Selasky /* this will be available till all the commands use set/get macros */ 1801dc7e38acSHans Petter Selasky int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr) 1802dc7e38acSHans Petter Selasky { 1803dc7e38acSHans Petter Selasky if (!hdr->status) 1804dc7e38acSHans Petter Selasky return 0; 1805dc7e38acSHans Petter Selasky 1806dc7e38acSHans Petter Selasky printf("mlx5_core: WARN: ""command failed, status %s(0x%x), syndrome 0x%x\n", cmd_status_str(hdr->status), hdr->status, be32_to_cpu(hdr->syndrome)); 1807dc7e38acSHans Petter Selasky 1808dc7e38acSHans Petter Selasky return cmd_status_to_err_helper(hdr->status); 1809dc7e38acSHans Petter Selasky } 1810dc7e38acSHans Petter Selasky 1811dc7e38acSHans Petter Selasky int mlx5_cmd_status_to_err_v2(void *ptr) 1812dc7e38acSHans Petter Selasky { 1813dc7e38acSHans Petter Selasky u32 syndrome; 1814dc7e38acSHans Petter Selasky u8 status; 1815dc7e38acSHans Petter Selasky 1816dc7e38acSHans Petter Selasky status = be32_to_cpu(*(__be32 *)ptr) >> 24; 1817dc7e38acSHans Petter Selasky if (!status) 1818dc7e38acSHans Petter Selasky return 0; 1819dc7e38acSHans Petter Selasky 1820dc7e38acSHans Petter Selasky syndrome = be32_to_cpu(*(__be32 *)(ptr + 4)); 1821dc7e38acSHans Petter Selasky 1822dc7e38acSHans Petter Selasky printf("mlx5_core: WARN: ""command failed, status %s(0x%x), syndrome 0x%x\n", cmd_status_str(status), status, syndrome); 1823dc7e38acSHans Petter Selasky 1824dc7e38acSHans Petter Selasky return cmd_status_to_err_helper(status); 1825dc7e38acSHans Petter Selasky } 182630dfc051SHans Petter Selasky 1827