1dc7e38acSHans Petter Selasky /*- 21c807f67SHans Petter Selasky * Copyright (c) 2013-2017, 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, 801c807f67SHans Petter Selasky int uin_size, 81dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, 82dc7e38acSHans Petter Selasky void *uout, int uout_size, 83dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t cbk, 84dc7e38acSHans Petter Selasky void *context, int page_queue) 85dc7e38acSHans Petter Selasky { 86dc7e38acSHans Petter Selasky gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; 87dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 88dc7e38acSHans Petter Selasky 89dc7e38acSHans Petter Selasky ent = kzalloc(sizeof(*ent), alloc_flags); 90dc7e38acSHans Petter Selasky if (!ent) 91dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 92dc7e38acSHans Petter Selasky 93dc7e38acSHans Petter Selasky ent->in = in; 941c807f67SHans Petter Selasky ent->uin_size = uin_size; 95dc7e38acSHans Petter Selasky ent->out = out; 96dc7e38acSHans Petter Selasky ent->uout = uout; 97dc7e38acSHans Petter Selasky ent->uout_size = uout_size; 98dc7e38acSHans Petter Selasky ent->callback = cbk; 99dc7e38acSHans Petter Selasky ent->context = context; 100dc7e38acSHans Petter Selasky ent->cmd = cmd; 101dc7e38acSHans Petter Selasky ent->page_queue = page_queue; 102dc7e38acSHans Petter Selasky 103dc7e38acSHans Petter Selasky return ent; 104dc7e38acSHans Petter Selasky } 105dc7e38acSHans Petter Selasky 106dc7e38acSHans Petter Selasky static u8 alloc_token(struct mlx5_cmd *cmd) 107dc7e38acSHans Petter Selasky { 108dc7e38acSHans Petter Selasky u8 token; 109dc7e38acSHans Petter Selasky 110dc7e38acSHans Petter Selasky spin_lock(&cmd->token_lock); 111dc7e38acSHans Petter Selasky cmd->token++; 112dc7e38acSHans Petter Selasky if (cmd->token == 0) 113dc7e38acSHans Petter Selasky cmd->token++; 114dc7e38acSHans Petter Selasky token = cmd->token; 115dc7e38acSHans Petter Selasky spin_unlock(&cmd->token_lock); 116dc7e38acSHans Petter Selasky 117dc7e38acSHans Petter Selasky return token; 118dc7e38acSHans Petter Selasky } 119dc7e38acSHans Petter Selasky 1208e7e0ce1SHans Petter Selasky static int alloc_ent(struct mlx5_cmd_work_ent *ent) 121dc7e38acSHans Petter Selasky { 122dc7e38acSHans Petter Selasky unsigned long flags; 1238e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 12430dfc051SHans Petter Selasky struct mlx5_core_dev *dev = 12530dfc051SHans Petter Selasky container_of(cmd, struct mlx5_core_dev, cmd); 1268e7e0ce1SHans Petter Selasky int ret = cmd->max_reg_cmds; 127dc7e38acSHans Petter Selasky 128dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 1298e7e0ce1SHans Petter Selasky if (!ent->page_queue) { 130dc7e38acSHans Petter Selasky ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds); 1318e7e0ce1SHans Petter Selasky if (ret >= cmd->max_reg_cmds) 1328e7e0ce1SHans Petter Selasky ret = -1; 1338e7e0ce1SHans Petter Selasky } 1348e7e0ce1SHans Petter Selasky 13530dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) 13630dfc051SHans Petter Selasky ret = -1; 13730dfc051SHans Petter Selasky 1388e7e0ce1SHans Petter Selasky if (ret != -1) { 13930dfc051SHans Petter Selasky ent->busy = 1; 1408e7e0ce1SHans Petter Selasky ent->idx = ret; 1418e7e0ce1SHans Petter Selasky clear_bit(ent->idx, &cmd->bitmask); 1428e7e0ce1SHans Petter Selasky cmd->ent_arr[ent->idx] = ent; 1438e7e0ce1SHans Petter Selasky } 144dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 145dc7e38acSHans Petter Selasky 1468e7e0ce1SHans Petter Selasky return ret; 147dc7e38acSHans Petter Selasky } 148dc7e38acSHans Petter Selasky 149dc7e38acSHans Petter Selasky static void free_ent(struct mlx5_cmd *cmd, int idx) 150dc7e38acSHans Petter Selasky { 151dc7e38acSHans Petter Selasky unsigned long flags; 152dc7e38acSHans Petter Selasky 153dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 154dc7e38acSHans Petter Selasky set_bit(idx, &cmd->bitmask); 155dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 156dc7e38acSHans Petter Selasky } 157dc7e38acSHans Petter Selasky 158dc7e38acSHans Petter Selasky static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) 159dc7e38acSHans Petter Selasky { 160dc7e38acSHans Petter Selasky return cmd->cmd_buf + (idx << cmd->log_stride); 161dc7e38acSHans Petter Selasky } 162dc7e38acSHans Petter Selasky 163dc7e38acSHans Petter Selasky static u8 xor8_buf(void *buf, int len) 164dc7e38acSHans Petter Selasky { 165dc7e38acSHans Petter Selasky u8 *ptr = buf; 166dc7e38acSHans Petter Selasky u8 sum = 0; 167dc7e38acSHans Petter Selasky int i; 168dc7e38acSHans Petter Selasky 169dc7e38acSHans Petter Selasky for (i = 0; i < len; i++) 170dc7e38acSHans Petter Selasky sum ^= ptr[i]; 171dc7e38acSHans Petter Selasky 172dc7e38acSHans Petter Selasky return sum; 173dc7e38acSHans Petter Selasky } 174dc7e38acSHans Petter Selasky 175dc7e38acSHans Petter Selasky static int verify_block_sig(struct mlx5_cmd_prot_block *block) 176dc7e38acSHans Petter Selasky { 177dc7e38acSHans Petter Selasky if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) 178dc7e38acSHans Petter Selasky return -EINVAL; 179dc7e38acSHans Petter Selasky 180dc7e38acSHans Petter Selasky if (xor8_buf(block, sizeof(*block)) != 0xff) 181dc7e38acSHans Petter Selasky return -EINVAL; 182dc7e38acSHans Petter Selasky 183dc7e38acSHans Petter Selasky return 0; 184dc7e38acSHans Petter Selasky } 185dc7e38acSHans Petter Selasky 186dc7e38acSHans Petter Selasky static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, 187dc7e38acSHans Petter Selasky int csum) 188dc7e38acSHans Petter Selasky { 189dc7e38acSHans Petter Selasky block->token = token; 190dc7e38acSHans Petter Selasky if (csum) { 191dc7e38acSHans Petter Selasky block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - 192dc7e38acSHans Petter Selasky sizeof(block->data) - 2); 193dc7e38acSHans Petter Selasky block->sig = ~xor8_buf(block, sizeof(*block) - 1); 194dc7e38acSHans Petter Selasky } 195dc7e38acSHans Petter Selasky } 196dc7e38acSHans Petter Selasky 1971c807f67SHans Petter Selasky static void 1981c807f67SHans Petter Selasky calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) 199dc7e38acSHans Petter Selasky { 2001c807f67SHans Petter Selasky size_t i; 201dc7e38acSHans Petter Selasky 2021c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2031c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 2041c807f67SHans Petter Selasky 2051c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2061c807f67SHans Petter Selasky 2071c807f67SHans Petter Selasky /* compute signature */ 2081c807f67SHans Petter Selasky calc_block_sig(block, token, csum); 2091c807f67SHans Petter Selasky 2101c807f67SHans Petter Selasky /* check for last block */ 2111c807f67SHans Petter Selasky if (block->next == 0) 2121c807f67SHans Petter Selasky break; 213dc7e38acSHans Petter Selasky } 2141c807f67SHans Petter Selasky 2151c807f67SHans Petter Selasky /* make sure data gets written to RAM */ 2161c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 217dc7e38acSHans Petter Selasky } 218dc7e38acSHans Petter Selasky 219dc7e38acSHans Petter Selasky static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) 220dc7e38acSHans Petter Selasky { 221dc7e38acSHans Petter Selasky ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); 222dc7e38acSHans Petter Selasky calc_chain_sig(ent->in, ent->token, csum); 223dc7e38acSHans Petter Selasky calc_chain_sig(ent->out, ent->token, csum); 224dc7e38acSHans Petter Selasky } 225dc7e38acSHans Petter Selasky 226dc7e38acSHans Petter Selasky static void poll_timeout(struct mlx5_cmd_work_ent *ent) 227dc7e38acSHans Petter Selasky { 22830dfc051SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, 22930dfc051SHans Petter Selasky struct mlx5_core_dev, cmd); 23030dfc051SHans Petter Selasky int poll_end = jiffies + 23130dfc051SHans Petter Selasky msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC + 1000); 232dc7e38acSHans Petter Selasky u8 own; 233dc7e38acSHans Petter Selasky 234dc7e38acSHans Petter Selasky do { 235dc7e38acSHans Petter Selasky own = ent->lay->status_own; 23630dfc051SHans Petter Selasky if (!(own & CMD_OWNER_HW) || 23730dfc051SHans Petter Selasky dev->state != MLX5_DEVICE_STATE_UP) { 238dc7e38acSHans Petter Selasky ent->ret = 0; 239dc7e38acSHans Petter Selasky return; 240dc7e38acSHans Petter Selasky } 241dc7e38acSHans Petter Selasky usleep_range(5000, 10000); 242dc7e38acSHans Petter Selasky } while (time_before(jiffies, poll_end)); 243dc7e38acSHans Petter Selasky 244dc7e38acSHans Petter Selasky ent->ret = -ETIMEDOUT; 245dc7e38acSHans Petter Selasky } 246dc7e38acSHans Petter Selasky 247dc7e38acSHans Petter Selasky static void free_cmd(struct mlx5_cmd_work_ent *ent) 248dc7e38acSHans Petter Selasky { 24911546d06SHans Petter Selasky cancel_delayed_work_sync(&ent->cb_timeout_work); 250dc7e38acSHans Petter Selasky kfree(ent); 251dc7e38acSHans Petter Selasky } 252dc7e38acSHans Petter Selasky 2531c807f67SHans Petter Selasky static int 2541c807f67SHans Petter Selasky verify_signature(struct mlx5_cmd_work_ent *ent) 255dc7e38acSHans Petter Selasky { 2561c807f67SHans Petter Selasky struct mlx5_cmd_msg *msg = ent->out; 2571c807f67SHans Petter Selasky size_t i; 258dc7e38acSHans Petter Selasky int err; 259dc7e38acSHans Petter Selasky u8 sig; 260dc7e38acSHans Petter Selasky 261dc7e38acSHans Petter Selasky sig = xor8_buf(ent->lay, sizeof(*ent->lay)); 262dc7e38acSHans Petter Selasky if (sig != 0xff) 263dc7e38acSHans Petter Selasky return -EINVAL; 264dc7e38acSHans Petter Selasky 2651c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2661c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 267dc7e38acSHans Petter Selasky 2681c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2691c807f67SHans Petter Selasky 2701c807f67SHans Petter Selasky /* compute signature */ 2711c807f67SHans Petter Selasky err = verify_block_sig(block); 2721c807f67SHans Petter Selasky if (err != 0) 2731c807f67SHans Petter Selasky return (err); 2741c807f67SHans Petter Selasky 2751c807f67SHans Petter Selasky /* check for last block */ 2761c807f67SHans Petter Selasky if (block->next == 0) 2771c807f67SHans Petter Selasky break; 278dc7e38acSHans Petter Selasky } 2791c807f67SHans Petter Selasky return (0); 280dc7e38acSHans Petter Selasky } 281dc7e38acSHans Petter Selasky 282dc7e38acSHans Petter Selasky static void dump_buf(void *buf, int size, int data_only, int offset) 283dc7e38acSHans Petter Selasky { 284dc7e38acSHans Petter Selasky __be32 *p = buf; 285dc7e38acSHans Petter Selasky int i; 286dc7e38acSHans Petter Selasky 287dc7e38acSHans Petter Selasky for (i = 0; i < size; i += 16) { 288dc7e38acSHans Petter Selasky pr_debug("%03x: %08x %08x %08x %08x\n", offset, be32_to_cpu(p[0]), 289dc7e38acSHans Petter Selasky be32_to_cpu(p[1]), be32_to_cpu(p[2]), 290dc7e38acSHans Petter Selasky be32_to_cpu(p[3])); 291dc7e38acSHans Petter Selasky p += 4; 292dc7e38acSHans Petter Selasky offset += 16; 293dc7e38acSHans Petter Selasky } 294dc7e38acSHans Petter Selasky if (!data_only) 295dc7e38acSHans Petter Selasky pr_debug("\n"); 296dc7e38acSHans Petter Selasky } 297dc7e38acSHans Petter Selasky 298a2485fe5SHans Petter Selasky enum { 299a2485fe5SHans Petter Selasky MLX5_DRIVER_STATUS_ABORTED = 0xfe, 300a2485fe5SHans Petter Selasky MLX5_DRIVER_SYND = 0xbadd00de, 301a2485fe5SHans Petter Selasky }; 302a2485fe5SHans Petter Selasky 303a2485fe5SHans Petter Selasky static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, 304a2485fe5SHans Petter Selasky u32 *synd, u8 *status) 305a2485fe5SHans Petter Selasky { 306a2485fe5SHans Petter Selasky *synd = 0; 307a2485fe5SHans Petter Selasky *status = 0; 308a2485fe5SHans Petter Selasky 309a2485fe5SHans Petter Selasky switch (op) { 310a2485fe5SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 311a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 312a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 313a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 314a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 315a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 316a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 317a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 318a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 319a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 320a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 321a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 322a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 323a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 324a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 325a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 326a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 327a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 328a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 329a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 330a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 331a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 332a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 333a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 334a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 335a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 336a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 337a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 338a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 339a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 340a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 341a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 342a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 343a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 344a2485fe5SHans Petter Selasky return MLX5_CMD_STAT_OK; 345a2485fe5SHans Petter Selasky 346a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 347a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 348a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 349a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 350a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 351a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 352a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 353a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 354a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 355a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 356a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 357a2485fe5SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 358a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 359a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 360a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 361a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 362a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 363a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 364a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 365a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 366a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 367a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 368a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 369a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 370a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 371a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 372a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 373a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 374a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 375a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 376a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 377a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 378a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 379a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 380a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 381a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 382a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 383a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 384a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 385a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 386a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 387a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 388a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 389a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 390a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 391a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 392a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 393a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 394a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 395a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 396a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 397a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 398a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 399a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 400a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 401a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 402a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 403a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 404a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 405a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 406a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 407a2485fe5SHans Petter Selasky case MLX5_CMD_OP_NOP: 408a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 409a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 410a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 411a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 412a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 413a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 414a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 415a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 416a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 417a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 418a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 419a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 420a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 421a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 422a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 423a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 424a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 425a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 426a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 427a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 428a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 429a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 430a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 431a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 432a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 433a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 434a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 435a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 436a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 437a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 438a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 439a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 440a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 441a2485fe5SHans Petter Selasky *status = MLX5_DRIVER_STATUS_ABORTED; 442a2485fe5SHans Petter Selasky *synd = MLX5_DRIVER_SYND; 443a2485fe5SHans Petter Selasky return -EIO; 444a2485fe5SHans Petter Selasky default: 445a2485fe5SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", op); 446a2485fe5SHans Petter Selasky return -EINVAL; 447a2485fe5SHans Petter Selasky } 448a2485fe5SHans Petter Selasky } 449a2485fe5SHans Petter Selasky 450dc7e38acSHans Petter Selasky const char *mlx5_command_str(int command) 451dc7e38acSHans Petter Selasky { 452ee1b5c58SHans Petter Selasky #define MLX5_COMMAND_STR_CASE(__cmd) case MLX5_CMD_OP_ ## __cmd: return #__cmd 453ee1b5c58SHans Petter Selasky 454dc7e38acSHans Petter Selasky switch (command) { 455ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_CAP); 456ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_HCA_CAP); 457ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ADAPTER); 458ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT_HCA); 459ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(TEARDOWN_HCA); 460ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ENABLE_HCA); 461ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DISABLE_HCA); 462ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_PAGES); 463ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MANAGE_PAGES); 464ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ISSI); 465ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ISSI); 466ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_MKEY); 467ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MKEY); 468ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_MKEY); 469ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SPECIAL_CONTEXTS); 470ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(PAGE_FAULT_RESUME); 471ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_EQ); 472ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_EQ); 473ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_EQ); 474ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GEN_EQE); 475ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_CQ); 476ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_CQ); 477ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CQ); 478ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CQ); 479ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_QP); 480ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_QP); 481ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RST2INIT_QP); 482ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2RTR_QP); 483ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTR2RTS_QP); 484ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTS2RTS_QP); 485ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQERR2RTS_QP); 486ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2ERR_QP); 487ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2RST_QP); 488ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_QP); 489ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQD_RTS_QP); 490ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MAD_IFC); 491ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2INIT_QP); 492ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_PSV); 493ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_PSV); 494ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SRQ); 495ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SRQ); 496ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SRQ); 497ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_RQ); 498ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_XRC_SRQ); 499ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_XRC_SRQ); 500ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_XRC_SRQ); 501ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_XRC_SRQ); 502ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_DCT); 503ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DC_CNAK_TRACE); 504ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_DCT); 505ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DRAIN_DCT); 506ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DCT); 507ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_DCT_FOR_KEY_VIOLATION); 508ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_STATE); 509ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_VPORT_STATE); 510ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ESW_VPORT_CONTEXT); 511ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_ESW_VPORT_CONTEXT); 512ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_NIC_VPORT_CONTEXT); 513ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_NIC_VPORT_CONTEXT); 514ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ROCE_ADDRESS); 515ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ROCE_ADDRESS); 516ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_CONTEXT); 517ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_HCA_VPORT_CONTEXT); 518ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_GID); 519ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_PKEY); 520ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_COUNTER); 521ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_WOL_ROL); 522ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_WOL_ROL); 523ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER); 524ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER); 525ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER); 526ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_PD); 527ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_PD); 528ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_UAR); 529ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_UAR); 530ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CONFIG_INT_MODERATION); 531ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ATTACH_TO_MCG); 532ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DETACH_FROM_MCG); 533ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GET_DROPPED_PACKET_LOG); 534ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MAD_DEMUX); 535ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_MAD_DEMUX); 536ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(NOP); 537ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_XRCD); 538ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_XRCD); 539ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_TRANSPORT_DOMAIN); 540ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_TRANSPORT_DOMAIN); 541ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATUS); 542ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_STATUS); 543ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_PARAMS); 544ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_PARAMS); 545ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATISTICS); 546ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ADD_VXLAN_UDP_DPORT); 547ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_VXLAN_UDP_DPORT); 548ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_L2_TABLE_ENTRY); 549ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_L2_TABLE_ENTRY); 550ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_L2_TABLE_ENTRY); 551ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RMP); 552ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RMP); 553ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RMP); 554ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RMP); 555ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQT); 556ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQT); 557ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQT); 558ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQT); 559ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ACCESS_REG); 560ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SQ); 561ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_SQ); 562ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SQ); 563ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SQ); 564ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQ); 565ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQ); 566ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQ); 567ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQ); 568ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIR); 569ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIR); 570ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIR); 571ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIR); 572ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIS); 573ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIS); 574ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIS); 575ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIS); 576ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_TABLE); 577ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_TABLE); 578ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE); 579ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_GROUP); 580ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_GROUP); 581ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_GROUP); 582ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_FLOW_TABLE_ENTRY); 583ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE_ENTRY); 584ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_FLOW_TABLE_ENTRY); 585ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DIAGNOSTICS); 586ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DIAGNOSTICS); 587dc7e38acSHans Petter Selasky default: return "unknown command opcode"; 588dc7e38acSHans Petter Selasky } 589dc7e38acSHans Petter Selasky } 590dc7e38acSHans Petter Selasky 591dc7e38acSHans Petter Selasky static void dump_command(struct mlx5_core_dev *dev, 592dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent, int input) 593dc7e38acSHans Petter Selasky { 594dc7e38acSHans Petter Selasky u16 op = be16_to_cpu(((struct mlx5_inbox_hdr *)(ent->lay->in))->opcode); 595dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = input ? ent->in : ent->out; 5961c807f67SHans Petter Selasky size_t i; 597dc7e38acSHans Petter Selasky int data_only; 5981c807f67SHans Petter Selasky int offset = 0; 5991c807f67SHans Petter Selasky int msg_len = input ? ent->uin_size : ent->uout_size; 600dc7e38acSHans Petter Selasky int dump_len; 601dc7e38acSHans Petter Selasky 602dc7e38acSHans Petter Selasky data_only = !!(mlx5_core_debug_mask & (1 << MLX5_CMD_DATA)); 603dc7e38acSHans Petter Selasky 604dc7e38acSHans Petter Selasky if (data_only) 605dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_DATA, 606dc7e38acSHans Petter Selasky "dump command data %s(0x%x) %s\n", 607dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 608dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 609dc7e38acSHans Petter Selasky else 610dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "dump command %s(0x%x) %s\n", 611dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 612dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 613dc7e38acSHans Petter Selasky 614dc7e38acSHans Petter Selasky if (data_only) { 615dc7e38acSHans Petter Selasky if (input) { 616dc7e38acSHans Petter Selasky dump_buf(ent->lay->in, sizeof(ent->lay->in), 1, offset); 617dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->in); 618dc7e38acSHans Petter Selasky } else { 619dc7e38acSHans Petter Selasky dump_buf(ent->lay->out, sizeof(ent->lay->out), 1, offset); 620dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->out); 621dc7e38acSHans Petter Selasky } 622dc7e38acSHans Petter Selasky } else { 623dc7e38acSHans Petter Selasky dump_buf(ent->lay, sizeof(*ent->lay), 0, offset); 624dc7e38acSHans Petter Selasky offset += sizeof(*ent->lay); 625dc7e38acSHans Petter Selasky } 626dc7e38acSHans Petter Selasky 6271c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 6281c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 6291c807f67SHans Petter Selasky 6301c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 6311c807f67SHans Petter Selasky 632dc7e38acSHans Petter Selasky if (data_only) { 6331c807f67SHans Petter Selasky if (offset >= msg_len) 6341c807f67SHans Petter Selasky break; 6351c807f67SHans Petter Selasky dump_len = min_t(int, 6361c807f67SHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, msg_len - offset); 6371c807f67SHans Petter Selasky 6381c807f67SHans Petter Selasky dump_buf(block->data, dump_len, 1, offset); 639dc7e38acSHans Petter Selasky offset += MLX5_CMD_DATA_BLOCK_SIZE; 640dc7e38acSHans Petter Selasky } else { 641dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "command block:\n"); 6421c807f67SHans Petter Selasky dump_buf(block, sizeof(*block), 0, offset); 6431c807f67SHans Petter Selasky offset += sizeof(*block); 644dc7e38acSHans Petter Selasky } 6451c807f67SHans Petter Selasky 6461c807f67SHans Petter Selasky /* check for last block */ 6471c807f67SHans Petter Selasky if (block->next == 0) 6481c807f67SHans Petter Selasky break; 649dc7e38acSHans Petter Selasky } 650dc7e38acSHans Petter Selasky 651dc7e38acSHans Petter Selasky if (data_only) 652dc7e38acSHans Petter Selasky pr_debug("\n"); 653dc7e38acSHans Petter Selasky } 654dc7e38acSHans Petter Selasky 65511546d06SHans Petter Selasky static u16 msg_to_opcode(struct mlx5_cmd_msg *in) 65611546d06SHans Petter Selasky { 65711546d06SHans Petter Selasky struct mlx5_inbox_hdr *hdr = (struct mlx5_inbox_hdr *)(in->first.data); 65811546d06SHans Petter Selasky 65911546d06SHans Petter Selasky return be16_to_cpu(hdr->opcode); 66011546d06SHans Petter Selasky } 66111546d06SHans Petter Selasky 66211546d06SHans Petter Selasky static void cb_timeout_handler(struct work_struct *work) 66311546d06SHans Petter Selasky { 66411546d06SHans Petter Selasky struct delayed_work *dwork = container_of(work, struct delayed_work, 66511546d06SHans Petter Selasky work); 66611546d06SHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(dwork, 66711546d06SHans Petter Selasky struct mlx5_cmd_work_ent, 66811546d06SHans Petter Selasky cb_timeout_work); 66911546d06SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, 67011546d06SHans Petter Selasky cmd); 67111546d06SHans Petter Selasky 67211546d06SHans Petter Selasky ent->ret = -ETIMEDOUT; 67311546d06SHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 67411546d06SHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 67511546d06SHans Petter Selasky msg_to_opcode(ent->in)); 67611546d06SHans Petter Selasky mlx5_cmd_comp_handler(dev, 1UL << ent->idx); 67711546d06SHans Petter Selasky } 67811546d06SHans Petter Selasky 67930dfc051SHans Petter Selasky static int set_internal_err_outbox(struct mlx5_core_dev *dev, u16 opcode, 68030dfc051SHans Petter Selasky struct mlx5_outbox_hdr *hdr) 68130dfc051SHans Petter Selasky { 68230dfc051SHans Petter Selasky hdr->status = 0; 68330dfc051SHans Petter Selasky hdr->syndrome = 0; 68430dfc051SHans Petter Selasky 68530dfc051SHans Petter Selasky switch (opcode) { 68630dfc051SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 68730dfc051SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 68830dfc051SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 68930dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 69030dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 69130dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 69230dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 69330dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 69430dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 69530dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 69630dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 69730dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 69830dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 69930dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 70030dfc051SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 70130dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 70230dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 70330dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 70430dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 70530dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_LAG: 70630dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_VPORT_LAG: 70730dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 70830dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 70930dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 71030dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 71130dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 71230dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 71330dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 71430dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 71530dfc051SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 71630dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_FLOW_COUNTER: 71730dfc051SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 71830dfc051SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 71930dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 72030dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 72130dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 72230dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 72330dfc051SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_ENCAP_HEADER: 72430dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT: 72530dfc051SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QOS_PARA_VPORT: 72630dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 72730dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 72830dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 72930dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 73030dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_LAG: 73130dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 73230dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 73330dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 73430dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: 73530dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 73630dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 73730dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 73830dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 73930dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 74030dfc051SHans Petter Selasky case MLX5_CMD_OP_MODIFY_OTHER_HCA_CAP: 74130dfc051SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 74230dfc051SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 74330dfc051SHans Petter Selasky return 0; 74430dfc051SHans Petter Selasky 74530dfc051SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 74630dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_ENCAP_HEADER: 74730dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: 74830dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 74930dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 75030dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 75130dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 75230dfc051SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 75330dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 75430dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 75530dfc051SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 75630dfc051SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 75730dfc051SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 75830dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 75930dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 76030dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 76130dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 76230dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 76330dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_LAG: 76430dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 76530dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 76630dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_QOS_PARA_VPORT: 76730dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 76830dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 76930dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 77030dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 77130dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: 77230dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 77330dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 77430dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 77530dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 77630dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_VPORT_LAG: 77730dfc051SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 77830dfc051SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 77930dfc051SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 78030dfc051SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 78130dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 78230dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 78330dfc051SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 78430dfc051SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 78530dfc051SHans Petter Selasky case MLX5_CMD_OP_NOP: 78630dfc051SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 78730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 78830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 78930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 79030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 79130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 79230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 79330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 79430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 79530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_COUNTER: 79630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 79730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 79830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 79930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 80030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 80130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 80230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 80330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 80430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 80530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_LAG: 80630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 80730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 80830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 80930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_OTHER_HCA_CAP: 81030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 81130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 81230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 81330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 81430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 81530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 81630dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 81730dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: 81830dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 81930dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 82030dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 82130dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 82230dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 82330dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 82430dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 82530dfc051SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 82630dfc051SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 82730dfc051SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 82830dfc051SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 82930dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_DC_CNAK_TRACE: 83030dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 83130dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 83230dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 83330dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 83430dfc051SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 83530dfc051SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 83630dfc051SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 83730dfc051SHans Petter Selasky hdr->status = MLX5_CMD_STAT_INT_ERR; 83830dfc051SHans Petter Selasky hdr->syndrome = 0xFFFFFFFF; 83930dfc051SHans Petter Selasky return -ECANCELED; 84030dfc051SHans Petter Selasky default: 84130dfc051SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", opcode); 84230dfc051SHans Petter Selasky return -EINVAL; 84330dfc051SHans Petter Selasky } 84430dfc051SHans Petter Selasky } 84530dfc051SHans Petter Selasky 8468e7e0ce1SHans Petter Selasky static void complete_command(struct mlx5_cmd_work_ent *ent) 8478e7e0ce1SHans Petter Selasky { 8488e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 8498e7e0ce1SHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, 8508e7e0ce1SHans Petter Selasky cmd); 851f361e561SHans Petter Selasky mlx5_cmd_cbk_t callback; 852f361e561SHans Petter Selasky void *context; 853f361e561SHans Petter Selasky 8548e7e0ce1SHans Petter Selasky s64 ds; 8558e7e0ce1SHans Petter Selasky struct mlx5_cmd_stats *stats; 8568e7e0ce1SHans Petter Selasky unsigned long flags; 8578e7e0ce1SHans Petter Selasky int err; 8588e7e0ce1SHans Petter Selasky struct semaphore *sem; 8598e7e0ce1SHans Petter Selasky 8608e7e0ce1SHans Petter Selasky if (ent->page_queue) 8618e7e0ce1SHans Petter Selasky sem = &cmd->pages_sem; 8628e7e0ce1SHans Petter Selasky else 8638e7e0ce1SHans Petter Selasky sem = &cmd->sem; 8648e7e0ce1SHans Petter Selasky 86530dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) { 86630dfc051SHans Petter Selasky struct mlx5_outbox_hdr *out_hdr = 86730dfc051SHans Petter Selasky (struct mlx5_outbox_hdr *)ent->out; 86830dfc051SHans Petter Selasky struct mlx5_inbox_hdr *in_hdr = 86930dfc051SHans Petter Selasky (struct mlx5_inbox_hdr *)(ent->in->first.data); 87030dfc051SHans Petter Selasky u16 opcode = be16_to_cpu(in_hdr->opcode); 87130dfc051SHans Petter Selasky 87230dfc051SHans Petter Selasky ent->ret = set_internal_err_outbox(dev, 87330dfc051SHans Petter Selasky opcode, 87430dfc051SHans Petter Selasky out_hdr); 87530dfc051SHans Petter Selasky } 87630dfc051SHans Petter Selasky 8778e7e0ce1SHans Petter Selasky if (ent->callback) { 8788e7e0ce1SHans Petter Selasky ds = ent->ts2 - ent->ts1; 8798e7e0ce1SHans Petter Selasky if (ent->op < ARRAY_SIZE(cmd->stats)) { 8808e7e0ce1SHans Petter Selasky stats = &cmd->stats[ent->op]; 8818e7e0ce1SHans Petter Selasky spin_lock_irqsave(&stats->lock, flags); 8828e7e0ce1SHans Petter Selasky stats->sum += ds; 8838e7e0ce1SHans Petter Selasky ++stats->n; 8848e7e0ce1SHans Petter Selasky spin_unlock_irqrestore(&stats->lock, flags); 8858e7e0ce1SHans Petter Selasky } 8868e7e0ce1SHans Petter Selasky 887f361e561SHans Petter Selasky callback = ent->callback; 888f361e561SHans Petter Selasky context = ent->context; 8898e7e0ce1SHans Petter Selasky err = ent->ret; 8908e7e0ce1SHans Petter Selasky if (!err) 8918e7e0ce1SHans Petter Selasky err = mlx5_copy_from_msg(ent->uout, 8928e7e0ce1SHans Petter Selasky ent->out, 8938e7e0ce1SHans Petter Selasky ent->uout_size); 8948e7e0ce1SHans Petter Selasky 8958e7e0ce1SHans Petter Selasky mlx5_free_cmd_msg(dev, ent->out); 8968e7e0ce1SHans Petter Selasky free_msg(dev, ent->in); 8978e7e0ce1SHans Petter Selasky 898a2485fe5SHans Petter Selasky err = err ? err : ent->status; 8998e7e0ce1SHans Petter Selasky free_cmd(ent); 900f361e561SHans Petter Selasky callback(err, context); 9018e7e0ce1SHans Petter Selasky } else { 9028e7e0ce1SHans Petter Selasky complete(&ent->done); 9038e7e0ce1SHans Petter Selasky } 9048e7e0ce1SHans Petter Selasky up(sem); 9058e7e0ce1SHans Petter Selasky } 9068e7e0ce1SHans Petter Selasky 907dc7e38acSHans Petter Selasky static void cmd_work_handler(struct work_struct *work) 908dc7e38acSHans Petter Selasky { 909dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); 910dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 911dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); 91211546d06SHans Petter Selasky unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 913dc7e38acSHans Petter Selasky struct mlx5_cmd_layout *lay; 914dc7e38acSHans Petter Selasky struct semaphore *sem; 915dc7e38acSHans Petter Selasky 916dc7e38acSHans Petter Selasky sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; 917dc7e38acSHans Petter Selasky down(sem); 9188e7e0ce1SHans Petter Selasky 9198e7e0ce1SHans Petter Selasky if (alloc_ent(ent) < 0) { 9208e7e0ce1SHans Petter Selasky complete_command(ent); 921dc7e38acSHans Petter Selasky return; 922dc7e38acSHans Petter Selasky } 923dc7e38acSHans Petter Selasky 924dc7e38acSHans Petter Selasky ent->token = alloc_token(cmd); 925dc7e38acSHans Petter Selasky lay = get_inst(cmd, ent->idx); 926dc7e38acSHans Petter Selasky ent->lay = lay; 927dc7e38acSHans Petter Selasky memset(lay, 0, sizeof(*lay)); 928dc7e38acSHans Petter Selasky memcpy(lay->in, ent->in->first.data, sizeof(lay->in)); 929dc7e38acSHans Petter Selasky ent->op = be32_to_cpu(lay->in[0]) >> 16; 9301c807f67SHans Petter Selasky if (ent->in->numpages != 0) 9311c807f67SHans Petter Selasky lay->in_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->in, 0)); 9321c807f67SHans Petter Selasky if (ent->out->numpages != 0) 9331c807f67SHans Petter Selasky lay->out_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->out, 0)); 9341c807f67SHans Petter Selasky lay->inlen = cpu_to_be32(ent->uin_size); 9351c807f67SHans Petter Selasky lay->outlen = cpu_to_be32(ent->uout_size); 936dc7e38acSHans Petter Selasky lay->type = MLX5_PCI_CMD_XPORT; 937dc7e38acSHans Petter Selasky lay->token = ent->token; 938dc7e38acSHans Petter Selasky lay->status_own = CMD_OWNER_HW; 939dc7e38acSHans Petter Selasky set_signature(ent, !cmd->checksum_disabled); 940dc7e38acSHans Petter Selasky dump_command(dev, ent, 1); 941dc7e38acSHans Petter Selasky ent->ts1 = ktime_get_ns(); 94230dfc051SHans Petter Selasky ent->busy = 0; 94311546d06SHans Petter Selasky if (ent->callback) 94411546d06SHans Petter Selasky schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); 94511546d06SHans Petter Selasky 946dc7e38acSHans Petter Selasky /* ring doorbell after the descriptor is valid */ 947dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); 9481c807f67SHans Petter Selasky /* make sure data is written to RAM */ 9491c807f67SHans Petter Selasky mlx5_fwp_flush(cmd->cmd_page); 950dc7e38acSHans Petter Selasky iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell); 951dc7e38acSHans Petter Selasky mmiowb(); 952dc7e38acSHans Petter Selasky /* if not in polling don't use ent after this point*/ 953dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 954dc7e38acSHans Petter Selasky poll_timeout(ent); 955dc7e38acSHans Petter Selasky /* make sure we read the descriptor after ownership is SW */ 956d0ce5a0dSHans Petter Selasky mlx5_cmd_comp_handler(dev, 1U << ent->idx); 957dc7e38acSHans Petter Selasky } 958dc7e38acSHans Petter Selasky } 959dc7e38acSHans Petter Selasky 960dc7e38acSHans Petter Selasky static const char *deliv_status_to_str(u8 status) 961dc7e38acSHans Petter Selasky { 962dc7e38acSHans Petter Selasky switch (status) { 963dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OK: 964dc7e38acSHans Petter Selasky return "no errors"; 965dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR: 966dc7e38acSHans Petter Selasky return "signature error"; 967dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_TOK_ERR: 968dc7e38acSHans Petter Selasky return "token error"; 969dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR: 970dc7e38acSHans Petter Selasky return "bad block number"; 971dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR: 972dc7e38acSHans Petter Selasky return "output pointer not aligned to block size"; 973dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR: 974dc7e38acSHans Petter Selasky return "input pointer not aligned to block size"; 975dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_FW_ERR: 976dc7e38acSHans Petter Selasky return "firmware internal error"; 977dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR: 978dc7e38acSHans Petter Selasky return "command input length error"; 979dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR: 980dc7e38acSHans Petter Selasky return "command ouput length error"; 981dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR: 982dc7e38acSHans Petter Selasky return "reserved fields not cleared"; 983dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR: 984dc7e38acSHans Petter Selasky return "bad command descriptor type"; 985dc7e38acSHans Petter Selasky default: 986dc7e38acSHans Petter Selasky return "unknown status code"; 987dc7e38acSHans Petter Selasky } 988dc7e38acSHans Petter Selasky } 989dc7e38acSHans Petter Selasky 990dc7e38acSHans Petter Selasky static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) 991dc7e38acSHans Petter Selasky { 992dc7e38acSHans Petter Selasky int timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 993dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 994dc7e38acSHans Petter Selasky int err; 995dc7e38acSHans Petter Selasky 996dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 997dc7e38acSHans Petter Selasky wait_for_completion(&ent->done); 998dc7e38acSHans Petter Selasky err = ent->ret; 9992327a753SHans Petter Selasky } else if (!wait_for_completion_timeout(&ent->done, timeout)) { 10002327a753SHans Petter Selasky ent->ret = -ETIMEDOUT; 10012327a753SHans Petter Selasky mlx5_cmd_comp_handler(dev, 1UL << ent->idx); 1002dc7e38acSHans Petter Selasky } 100330dfc051SHans Petter Selasky 10042327a753SHans Petter Selasky err = ent->ret; 10052327a753SHans Petter Selasky 1006dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) { 1007dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 1008dc7e38acSHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 1009dc7e38acSHans Petter Selasky msg_to_opcode(ent->in)); 1010dc7e38acSHans Petter Selasky } 1011dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", 1012dc7e38acSHans Petter Selasky err, deliv_status_to_str(ent->status), ent->status); 1013dc7e38acSHans Petter Selasky 1014dc7e38acSHans Petter Selasky return err; 1015dc7e38acSHans Petter Selasky } 1016dc7e38acSHans Petter Selasky 1017a2485fe5SHans Petter Selasky static __be32 *get_synd_ptr(struct mlx5_outbox_hdr *out) 1018a2485fe5SHans Petter Selasky { 1019a2485fe5SHans Petter Selasky return &out->syndrome; 1020a2485fe5SHans Petter Selasky } 1021a2485fe5SHans Petter Selasky 1022a2485fe5SHans Petter Selasky static u8 *get_status_ptr(struct mlx5_outbox_hdr *out) 1023a2485fe5SHans Petter Selasky { 1024a2485fe5SHans Petter Selasky return &out->status; 1025a2485fe5SHans Petter Selasky } 1026a2485fe5SHans Petter Selasky 1027dc7e38acSHans Petter Selasky /* Notes: 1028dc7e38acSHans Petter Selasky * 1. Callback functions may not sleep 1029dc7e38acSHans Petter Selasky * 2. page queue commands do not support asynchrous completion 1030dc7e38acSHans Petter Selasky */ 1031dc7e38acSHans Petter Selasky static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, 10321c807f67SHans Petter Selasky int uin_size, 1033dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, void *uout, int uout_size, 1034dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t callback, 1035dc7e38acSHans Petter Selasky void *context, int page_queue, u8 *status) 1036dc7e38acSHans Petter Selasky { 1037dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1038dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 1039dc7e38acSHans Petter Selasky struct mlx5_cmd_stats *stats; 1040dc7e38acSHans Petter Selasky int err = 0; 1041dc7e38acSHans Petter Selasky s64 ds; 1042dc7e38acSHans Petter Selasky u16 op; 1043dc7e38acSHans Petter Selasky 1044dc7e38acSHans Petter Selasky if (callback && page_queue) 1045dc7e38acSHans Petter Selasky return -EINVAL; 1046dc7e38acSHans Petter Selasky 10471c807f67SHans Petter Selasky ent = alloc_cmd(cmd, in, uin_size, out, uout, uout_size, callback, 10481c807f67SHans Petter Selasky context, page_queue); 1049dc7e38acSHans Petter Selasky if (IS_ERR(ent)) 1050dc7e38acSHans Petter Selasky return PTR_ERR(ent); 1051dc7e38acSHans Petter Selasky 1052dc7e38acSHans Petter Selasky if (!callback) 1053dc7e38acSHans Petter Selasky init_completion(&ent->done); 1054dc7e38acSHans Petter Selasky 105511546d06SHans Petter Selasky INIT_DELAYED_WORK(&ent->cb_timeout_work, cb_timeout_handler); 1056dc7e38acSHans Petter Selasky INIT_WORK(&ent->work, cmd_work_handler); 1057dc7e38acSHans Petter Selasky if (page_queue) { 1058dc7e38acSHans Petter Selasky cmd_work_handler(&ent->work); 1059dc7e38acSHans Petter Selasky } else if (!queue_work(cmd->wq, &ent->work)) { 1060dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to queue work\n"); 1061dc7e38acSHans Petter Selasky err = -ENOMEM; 1062dc7e38acSHans Petter Selasky goto out_free; 1063dc7e38acSHans Petter Selasky } 1064dc7e38acSHans Petter Selasky 10652327a753SHans Petter Selasky if (callback) 10662327a753SHans Petter Selasky goto out; 10672327a753SHans Petter Selasky 1068dc7e38acSHans Petter Selasky err = wait_func(dev, ent); 1069dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) 1070dc7e38acSHans Petter Selasky goto out; 1071dc7e38acSHans Petter Selasky 1072dc7e38acSHans Petter Selasky ds = ent->ts2 - ent->ts1; 1073dc7e38acSHans Petter Selasky op = be16_to_cpu(((struct mlx5_inbox_hdr *)in->first.data)->opcode); 1074dc7e38acSHans Petter Selasky if (op < ARRAY_SIZE(cmd->stats)) { 1075dc7e38acSHans Petter Selasky stats = &cmd->stats[op]; 1076dc7e38acSHans Petter Selasky spin_lock_irq(&stats->lock); 1077dc7e38acSHans Petter Selasky stats->sum += ds; 1078dc7e38acSHans Petter Selasky ++stats->n; 1079dc7e38acSHans Petter Selasky spin_unlock_irq(&stats->lock); 1080dc7e38acSHans Petter Selasky } 1081dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, 1082dc7e38acSHans Petter Selasky "fw exec time for %s is %lld nsec\n", 1083dc7e38acSHans Petter Selasky mlx5_command_str(op), (long long)ds); 1084dc7e38acSHans Petter Selasky *status = ent->status; 1085dc7e38acSHans Petter Selasky free_cmd(ent); 1086dc7e38acSHans Petter Selasky 1087dc7e38acSHans Petter Selasky return err; 1088dc7e38acSHans Petter Selasky 1089dc7e38acSHans Petter Selasky out_free: 1090dc7e38acSHans Petter Selasky free_cmd(ent); 1091dc7e38acSHans Petter Selasky out: 1092dc7e38acSHans Petter Selasky return err; 1093dc7e38acSHans Petter Selasky } 1094dc7e38acSHans Petter Selasky 10951c807f67SHans Petter Selasky static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, size_t size) 1096dc7e38acSHans Petter Selasky { 10971c807f67SHans Petter Selasky size_t delta; 10981c807f67SHans Petter Selasky size_t i; 10991c807f67SHans Petter Selasky 11001c807f67SHans Petter Selasky if (to == NULL || from == NULL) 11011c807f67SHans Petter Selasky return (-ENOMEM); 11021c807f67SHans Petter Selasky 11031c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(to->first.data)); 11041c807f67SHans Petter Selasky memcpy(to->first.data, from, delta); 11051c807f67SHans Petter Selasky from = (char *)from + delta; 11061c807f67SHans Petter Selasky size -= delta; 11071c807f67SHans Petter Selasky 11081c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1109dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1110dc7e38acSHans Petter Selasky 11111c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(to, i * MLX5_CMD_MBOX_SIZE); 1112dc7e38acSHans Petter Selasky 11131c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 11141c807f67SHans Petter Selasky memcpy(block->data, from, delta); 11151c807f67SHans Petter Selasky from = (char *)from + delta; 11161c807f67SHans Petter Selasky size -= delta; 1117dc7e38acSHans Petter Selasky } 11181c807f67SHans Petter Selasky return (0); 1119dc7e38acSHans Petter Selasky } 1120dc7e38acSHans Petter Selasky 1121dc7e38acSHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) 1122dc7e38acSHans Petter Selasky { 11231c807f67SHans Petter Selasky size_t delta; 11241c807f67SHans Petter Selasky size_t i; 11251c807f67SHans Petter Selasky 11261c807f67SHans Petter Selasky if (to == NULL || from == NULL) 11271c807f67SHans Petter Selasky return (-ENOMEM); 11281c807f67SHans Petter Selasky 11291c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(from->first.data)); 11301c807f67SHans Petter Selasky memcpy(to, from->first.data, delta); 11311c807f67SHans Petter Selasky to = (char *)to + delta; 11321c807f67SHans Petter Selasky size -= delta; 11331c807f67SHans Petter Selasky 11341c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1135dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1136dc7e38acSHans Petter Selasky 11371c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(from, i * MLX5_CMD_MBOX_SIZE); 1138dc7e38acSHans Petter Selasky 11391c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 11401c807f67SHans Petter Selasky memcpy(to, block->data, delta); 11411c807f67SHans Petter Selasky to = (char *)to + delta; 11421c807f67SHans Petter Selasky size -= delta; 11431c807f67SHans Petter Selasky } 11441c807f67SHans Petter Selasky return (0); 1145dc7e38acSHans Petter Selasky } 1146dc7e38acSHans Petter Selasky 11471c807f67SHans Petter Selasky static struct mlx5_cmd_msg * 11481c807f67SHans Petter Selasky mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, gfp_t flags, size_t size) 1149dc7e38acSHans Petter Selasky { 1150dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 11511c807f67SHans Petter Selasky size_t blen; 11521c807f67SHans Petter Selasky size_t n; 11531c807f67SHans Petter Selasky size_t i; 1154dc7e38acSHans Petter Selasky 11551c807f67SHans Petter Selasky blen = size - min_t(size_t, sizeof(msg->first.data), size); 11561c807f67SHans Petter Selasky n = howmany(blen, MLX5_CMD_DATA_BLOCK_SIZE); 1157dc7e38acSHans Petter Selasky 11581c807f67SHans Petter Selasky msg = mlx5_fwp_alloc(dev, flags, howmany(n, MLX5_NUM_CMDS_IN_ADAPTER_PAGE)); 11591c807f67SHans Petter Selasky if (msg == NULL) 11601c807f67SHans Petter Selasky return (ERR_PTR(-ENOMEM)); 1161dc7e38acSHans Petter Selasky 11621c807f67SHans Petter Selasky for (i = 0; i != n; i++) { 11631c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 11641c807f67SHans Petter Selasky 11651c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 11661c807f67SHans Petter Selasky 11671c807f67SHans Petter Selasky memset(block, 0, MLX5_CMD_MBOX_SIZE); 11681c807f67SHans Petter Selasky 11691c807f67SHans Petter Selasky if (i != (n - 1)) { 11701c807f67SHans Petter Selasky u64 dma = mlx5_fwp_get_dma(msg, (i + 1) * MLX5_CMD_MBOX_SIZE); 11711c807f67SHans Petter Selasky block->next = cpu_to_be64(dma); 11721c807f67SHans Petter Selasky } 11731c807f67SHans Petter Selasky block->block_num = cpu_to_be32(i); 1174dc7e38acSHans Petter Selasky } 1175dc7e38acSHans Petter Selasky 11761c807f67SHans Petter Selasky /* make sure initial data is written to RAM */ 11771c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 1178dc7e38acSHans Petter Selasky 11791c807f67SHans Petter Selasky return (msg); 1180dc7e38acSHans Petter Selasky } 1181dc7e38acSHans Petter Selasky 11821c807f67SHans Petter Selasky static void 11831c807f67SHans Petter Selasky mlx5_free_cmd_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1184dc7e38acSHans Petter Selasky { 1185dc7e38acSHans Petter Selasky 11861c807f67SHans Petter Selasky mlx5_fwp_free(msg); 1187dc7e38acSHans Petter Selasky } 1188dc7e38acSHans Petter Selasky 1189dc7e38acSHans Petter Selasky static void set_wqname(struct mlx5_core_dev *dev) 1190dc7e38acSHans Petter Selasky { 1191dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1192dc7e38acSHans Petter Selasky 1193dc7e38acSHans Petter Selasky snprintf(cmd->wq_name, sizeof(cmd->wq_name), "mlx5_cmd_%s", 1194dc7e38acSHans Petter Selasky dev_name(&dev->pdev->dev)); 1195dc7e38acSHans Petter Selasky } 1196dc7e38acSHans Petter Selasky 1197dc7e38acSHans Petter Selasky static void clean_debug_files(struct mlx5_core_dev *dev) 1198dc7e38acSHans Petter Selasky { 1199dc7e38acSHans Petter Selasky } 1200dc7e38acSHans Petter Selasky 1201dc7e38acSHans Petter Selasky 12022327a753SHans Petter Selasky static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode) 1203dc7e38acSHans Petter Selasky { 1204dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1205dc7e38acSHans Petter Selasky int i; 1206dc7e38acSHans Petter Selasky 1207dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1208dc7e38acSHans Petter Selasky down(&cmd->sem); 1209dc7e38acSHans Petter Selasky 1210dc7e38acSHans Petter Selasky down(&cmd->pages_sem); 12112327a753SHans Petter Selasky cmd->mode = mode; 1212dc7e38acSHans Petter Selasky 1213dc7e38acSHans Petter Selasky up(&cmd->pages_sem); 1214dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1215dc7e38acSHans Petter Selasky up(&cmd->sem); 1216dc7e38acSHans Petter Selasky } 1217dc7e38acSHans Petter Selasky 12182327a753SHans Petter Selasky void mlx5_cmd_use_events(struct mlx5_core_dev *dev) 12192327a753SHans Petter Selasky { 12202327a753SHans Petter Selasky mlx5_cmd_change_mod(dev, CMD_MODE_EVENTS); 12212327a753SHans Petter Selasky } 12222327a753SHans Petter Selasky 1223dc7e38acSHans Petter Selasky void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) 1224dc7e38acSHans Petter Selasky { 12252327a753SHans Petter Selasky mlx5_cmd_change_mod(dev, CMD_MODE_POLLING); 1226dc7e38acSHans Petter Selasky } 1227dc7e38acSHans Petter Selasky 1228dc7e38acSHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1229dc7e38acSHans Petter Selasky { 1230dc7e38acSHans Petter Selasky unsigned long flags; 1231dc7e38acSHans Petter Selasky 1232dc7e38acSHans Petter Selasky if (msg->cache) { 1233dc7e38acSHans Petter Selasky spin_lock_irqsave(&msg->cache->lock, flags); 1234dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &msg->cache->head); 1235dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&msg->cache->lock, flags); 1236dc7e38acSHans Petter Selasky } else { 1237dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1238dc7e38acSHans Petter Selasky } 1239dc7e38acSHans Petter Selasky } 1240dc7e38acSHans Petter Selasky 1241d0ce5a0dSHans Petter Selasky void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u32 vector) 1242dc7e38acSHans Petter Selasky { 1243dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1244dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 1245dc7e38acSHans Petter Selasky int i; 1246dc7e38acSHans Petter Selasky 12471c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 12481c807f67SHans Petter Selasky mlx5_fwp_invalidate(cmd->cmd_page); 12491c807f67SHans Petter Selasky 1250d0ce5a0dSHans Petter Selasky while (vector != 0) { 1251d0ce5a0dSHans Petter Selasky i = ffs(vector) - 1; 1252d0ce5a0dSHans Petter Selasky vector &= ~(1U << i); 1253dc7e38acSHans Petter Selasky ent = cmd->ent_arr[i]; 125411546d06SHans Petter Selasky if (ent->callback) 125511546d06SHans Petter Selasky cancel_delayed_work(&ent->cb_timeout_work); 1256dc7e38acSHans Petter Selasky ent->ts2 = ktime_get_ns(); 1257d0ce5a0dSHans Petter Selasky memcpy(ent->out->first.data, ent->lay->out, 1258d0ce5a0dSHans Petter Selasky sizeof(ent->lay->out)); 12591c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 12601c807f67SHans Petter Selasky mlx5_fwp_invalidate(ent->out); 1261dc7e38acSHans Petter Selasky dump_command(dev, ent, 0); 1262dc7e38acSHans Petter Selasky if (!ent->ret) { 1263dc7e38acSHans Petter Selasky if (!cmd->checksum_disabled) 1264dc7e38acSHans Petter Selasky ent->ret = verify_signature(ent); 1265dc7e38acSHans Petter Selasky else 1266dc7e38acSHans Petter Selasky ent->ret = 0; 1267dc7e38acSHans Petter Selasky ent->status = ent->lay->status_own >> 1; 1268a2485fe5SHans Petter Selasky if (vector & MLX5_TRIGGERED_CMD_COMP) 1269a2485fe5SHans Petter Selasky ent->status = MLX5_DRIVER_STATUS_ABORTED; 1270a2485fe5SHans Petter Selasky else 1271a2485fe5SHans Petter Selasky ent->status = ent->lay->status_own >> 1; 127230dfc051SHans Petter Selasky 1273d0ce5a0dSHans Petter Selasky mlx5_core_dbg(dev, 1274d0ce5a0dSHans Petter Selasky "FW command ret 0x%x, status %s(0x%x)\n", 1275d0ce5a0dSHans Petter Selasky ent->ret, 1276d0ce5a0dSHans Petter Selasky deliv_status_to_str(ent->status), 1277d0ce5a0dSHans Petter Selasky ent->status); 1278dc7e38acSHans Petter Selasky } 1279dc7e38acSHans Petter Selasky free_ent(cmd, ent->idx); 12808e7e0ce1SHans Petter Selasky complete_command(ent); 1281dc7e38acSHans Petter Selasky } 1282dc7e38acSHans Petter Selasky } 1283dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_comp_handler); 1284dc7e38acSHans Petter Selasky 1285dc7e38acSHans Petter Selasky static int status_to_err(u8 status) 1286dc7e38acSHans Petter Selasky { 1287dc7e38acSHans Petter Selasky return status ? -1 : 0; /* TBD more meaningful codes */ 1288dc7e38acSHans Petter Selasky } 1289dc7e38acSHans Petter Selasky 1290dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, 1291dc7e38acSHans Petter Selasky gfp_t gfp) 1292dc7e38acSHans Petter Selasky { 1293dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM); 1294dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1295dc7e38acSHans Petter Selasky struct cache_ent *ent = NULL; 1296dc7e38acSHans Petter Selasky 1297dc7e38acSHans Petter Selasky if (in_size > MED_LIST_SIZE && in_size <= LONG_LIST_SIZE) 1298dc7e38acSHans Petter Selasky ent = &cmd->cache.large; 1299dc7e38acSHans Petter Selasky else if (in_size > 16 && in_size <= MED_LIST_SIZE) 1300dc7e38acSHans Petter Selasky ent = &cmd->cache.med; 1301dc7e38acSHans Petter Selasky 1302dc7e38acSHans Petter Selasky if (ent) { 1303dc7e38acSHans Petter Selasky spin_lock_irq(&ent->lock); 1304dc7e38acSHans Petter Selasky if (!list_empty(&ent->head)) { 1305dc7e38acSHans Petter Selasky msg = list_entry(ent->head.next, struct mlx5_cmd_msg, 1306dc7e38acSHans Petter Selasky list); 1307dc7e38acSHans Petter Selasky list_del(&msg->list); 1308dc7e38acSHans Petter Selasky } 1309dc7e38acSHans Petter Selasky spin_unlock_irq(&ent->lock); 1310dc7e38acSHans Petter Selasky } 1311dc7e38acSHans Petter Selasky 1312dc7e38acSHans Petter Selasky if (IS_ERR(msg)) 1313dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); 1314dc7e38acSHans Petter Selasky 1315dc7e38acSHans Petter Selasky return msg; 1316dc7e38acSHans Petter Selasky } 1317dc7e38acSHans Petter Selasky 1318a2485fe5SHans Petter Selasky static u16 opcode_from_in(struct mlx5_inbox_hdr *in) 1319a2485fe5SHans Petter Selasky { 1320a2485fe5SHans Petter Selasky return be16_to_cpu(in->opcode); 1321a2485fe5SHans Petter Selasky } 1322a2485fe5SHans Petter Selasky 1323dc7e38acSHans Petter Selasky static int is_manage_pages(struct mlx5_inbox_hdr *in) 1324dc7e38acSHans Petter Selasky { 1325dc7e38acSHans Petter Selasky return be16_to_cpu(in->opcode) == MLX5_CMD_OP_MANAGE_PAGES; 1326dc7e38acSHans Petter Selasky } 1327dc7e38acSHans Petter Selasky 132830dfc051SHans Petter Selasky static int cmd_exec_helper(struct mlx5_core_dev *dev, 132930dfc051SHans Petter Selasky void *in, int in_size, 133030dfc051SHans Petter Selasky void *out, int out_size, 133130dfc051SHans Petter Selasky mlx5_cmd_cbk_t callback, void *context) 1332dc7e38acSHans Petter Selasky { 1333dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *inb; 1334dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *outb; 1335dc7e38acSHans Petter Selasky int pages_queue; 13361d4905b5SHans Petter Selasky const gfp_t gfp = GFP_KERNEL; 1337dc7e38acSHans Petter Selasky int err; 1338dc7e38acSHans Petter Selasky u8 status = 0; 1339a2485fe5SHans Petter Selasky u32 drv_synd; 1340a2485fe5SHans Petter Selasky 1341a2485fe5SHans Petter Selasky if (pci_channel_offline(dev->pdev) || 1342a2485fe5SHans Petter Selasky dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 1343a2485fe5SHans Petter Selasky err = mlx5_internal_err_ret_value(dev, opcode_from_in(in), &drv_synd, &status); 1344a2485fe5SHans Petter Selasky *get_synd_ptr(out) = cpu_to_be32(drv_synd); 1345a2485fe5SHans Petter Selasky *get_status_ptr(out) = status; 1346a2485fe5SHans Petter Selasky return err; 1347a2485fe5SHans Petter Selasky } 1348dc7e38acSHans Petter Selasky 1349dc7e38acSHans Petter Selasky pages_queue = is_manage_pages(in); 1350dc7e38acSHans Petter Selasky 1351dc7e38acSHans Petter Selasky inb = alloc_msg(dev, in_size, gfp); 1352dc7e38acSHans Petter Selasky if (IS_ERR(inb)) { 1353dc7e38acSHans Petter Selasky err = PTR_ERR(inb); 1354dc7e38acSHans Petter Selasky return err; 1355dc7e38acSHans Petter Selasky } 1356dc7e38acSHans Petter Selasky 1357dc7e38acSHans Petter Selasky err = mlx5_copy_to_msg(inb, in, in_size); 1358dc7e38acSHans Petter Selasky if (err) { 1359dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "err %d\n", err); 1360dc7e38acSHans Petter Selasky goto out_in; 1361dc7e38acSHans Petter Selasky } 1362dc7e38acSHans Petter Selasky 1363dc7e38acSHans Petter Selasky outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); 1364dc7e38acSHans Petter Selasky if (IS_ERR(outb)) { 1365dc7e38acSHans Petter Selasky err = PTR_ERR(outb); 1366dc7e38acSHans Petter Selasky goto out_in; 1367dc7e38acSHans Petter Selasky } 1368dc7e38acSHans Petter Selasky 13691c807f67SHans Petter Selasky err = mlx5_cmd_invoke(dev, inb, in_size, outb, out, out_size, callback, 13701c807f67SHans Petter Selasky context, pages_queue, &status); 137197ac3908SHans Petter Selasky if (err) { 137297ac3908SHans Petter Selasky if (err == -ETIMEDOUT) 137397ac3908SHans Petter Selasky return err; 1374dc7e38acSHans Petter Selasky goto out_out; 137597ac3908SHans Petter Selasky } 1376dc7e38acSHans Petter Selasky 1377dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, status %d\n", err, status); 1378dc7e38acSHans Petter Selasky if (status) { 1379dc7e38acSHans Petter Selasky err = status_to_err(status); 1380dc7e38acSHans Petter Selasky goto out_out; 1381dc7e38acSHans Petter Selasky } 1382dc7e38acSHans Petter Selasky 1383dc7e38acSHans Petter Selasky if (callback) 1384dc7e38acSHans Petter Selasky return err; 1385dc7e38acSHans Petter Selasky 1386dc7e38acSHans Petter Selasky err = mlx5_copy_from_msg(out, outb, out_size); 1387dc7e38acSHans Petter Selasky 1388dc7e38acSHans Petter Selasky out_out: 1389dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, outb); 1390dc7e38acSHans Petter Selasky 1391dc7e38acSHans Petter Selasky out_in: 1392dc7e38acSHans Petter Selasky free_msg(dev, inb); 1393dc7e38acSHans Petter Selasky return err; 1394dc7e38acSHans Petter Selasky } 1395dc7e38acSHans Petter Selasky 1396dc7e38acSHans Petter Selasky int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1397dc7e38acSHans Petter Selasky int out_size) 1398dc7e38acSHans Petter Selasky { 1399dc7e38acSHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL); 1400dc7e38acSHans Petter Selasky } 1401dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec); 1402dc7e38acSHans Petter Selasky 1403dc7e38acSHans Petter Selasky int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, 1404dc7e38acSHans Petter Selasky void *out, int out_size, mlx5_cmd_cbk_t callback, 1405dc7e38acSHans Petter Selasky void *context) 1406dc7e38acSHans Petter Selasky { 1407dc7e38acSHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, callback, context); 1408dc7e38acSHans Petter Selasky } 1409dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_cb); 1410dc7e38acSHans Petter Selasky 1411dc7e38acSHans Petter Selasky static void destroy_msg_cache(struct mlx5_core_dev *dev) 1412dc7e38acSHans Petter Selasky { 1413dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1414dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1415dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *n; 1416dc7e38acSHans Petter Selasky 1417dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.large.head, list) { 1418dc7e38acSHans Petter Selasky list_del(&msg->list); 1419dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1420dc7e38acSHans Petter Selasky } 1421dc7e38acSHans Petter Selasky 1422dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.med.head, list) { 1423dc7e38acSHans Petter Selasky list_del(&msg->list); 1424dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1425dc7e38acSHans Petter Selasky } 1426dc7e38acSHans Petter Selasky } 1427dc7e38acSHans Petter Selasky 1428dc7e38acSHans Petter Selasky static int create_msg_cache(struct mlx5_core_dev *dev) 1429dc7e38acSHans Petter Selasky { 1430dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1431dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1432dc7e38acSHans Petter Selasky int err; 1433dc7e38acSHans Petter Selasky int i; 1434dc7e38acSHans Petter Selasky 1435dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.large.lock); 1436dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.large.head); 1437dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.med.lock); 1438dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.med.head); 1439dc7e38acSHans Petter Selasky 1440dc7e38acSHans Petter Selasky for (i = 0; i < NUM_LONG_LISTS; i++) { 1441dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE); 1442dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1443dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1444dc7e38acSHans Petter Selasky goto ex_err; 1445dc7e38acSHans Petter Selasky } 1446dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.large; 1447dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.large.head); 1448dc7e38acSHans Petter Selasky } 1449dc7e38acSHans Petter Selasky 1450dc7e38acSHans Petter Selasky for (i = 0; i < NUM_MED_LISTS; i++) { 1451dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); 1452dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1453dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1454dc7e38acSHans Petter Selasky goto ex_err; 1455dc7e38acSHans Petter Selasky } 1456dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.med; 1457dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.med.head); 1458dc7e38acSHans Petter Selasky } 1459dc7e38acSHans Petter Selasky 1460dc7e38acSHans Petter Selasky return 0; 1461dc7e38acSHans Petter Selasky 1462dc7e38acSHans Petter Selasky ex_err: 1463dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1464dc7e38acSHans Petter Selasky return err; 1465dc7e38acSHans Petter Selasky } 1466dc7e38acSHans Petter Selasky 14671c807f67SHans Petter Selasky static int 14681c807f67SHans Petter Selasky alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1469dc7e38acSHans Petter Selasky { 14701c807f67SHans Petter Selasky int err; 1471dc7e38acSHans Petter Selasky 14721c807f67SHans Petter Selasky sx_init(&cmd->dma_sx, "MLX5-DMA-SX"); 14731c807f67SHans Petter Selasky mtx_init(&cmd->dma_mtx, "MLX5-DMA-MTX", NULL, MTX_DEF); 14741c807f67SHans Petter Selasky cv_init(&cmd->dma_cv, "MLX5-DMA-CV"); 14751c807f67SHans Petter Selasky 14761c807f67SHans Petter Selasky /* 14771c807f67SHans Petter Selasky * Create global DMA descriptor tag for allocating 14781c807f67SHans Petter Selasky * 4K firmware pages: 14791c807f67SHans Petter Selasky */ 14801c807f67SHans Petter Selasky err = -bus_dma_tag_create( 14811c807f67SHans Petter Selasky bus_get_dma_tag(dev->pdev->dev.bsddev), 14821c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* alignment */ 14831c807f67SHans Petter Selasky 0, /* no boundary */ 14841c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* lowaddr */ 14851c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* highaddr */ 14861c807f67SHans Petter Selasky NULL, NULL, /* filter, filterarg */ 14871c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsize */ 14881c807f67SHans Petter Selasky 1, /* nsegments */ 14891c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsegsize */ 14901c807f67SHans Petter Selasky 0, /* flags */ 14911c807f67SHans Petter Selasky NULL, NULL, /* lockfunc, lockfuncarg */ 14921c807f67SHans Petter Selasky &cmd->dma_tag); 14931c807f67SHans Petter Selasky if (err != 0) 14941c807f67SHans Petter Selasky goto failure_destroy_sx; 14951c807f67SHans Petter Selasky 14961c807f67SHans Petter Selasky cmd->cmd_page = mlx5_fwp_alloc(dev, GFP_KERNEL, 1); 14971c807f67SHans Petter Selasky if (cmd->cmd_page == NULL) { 14981c807f67SHans Petter Selasky err = -ENOMEM; 14991c807f67SHans Petter Selasky goto failure_alloc_page; 15001c807f67SHans Petter Selasky } 15011c807f67SHans Petter Selasky cmd->dma = mlx5_fwp_get_dma(cmd->cmd_page, 0); 15021c807f67SHans Petter Selasky cmd->cmd_buf = mlx5_fwp_get_virt(cmd->cmd_page, 0); 15031c807f67SHans Petter Selasky return (0); 15041c807f67SHans Petter Selasky 15051c807f67SHans Petter Selasky failure_alloc_page: 15061c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 15071c807f67SHans Petter Selasky 15081c807f67SHans Petter Selasky failure_destroy_sx: 15091c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 15101c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 15111c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 15121c807f67SHans Petter Selasky return (err); 1513dc7e38acSHans Petter Selasky } 1514dc7e38acSHans Petter Selasky 15151c807f67SHans Petter Selasky static void 15161c807f67SHans Petter Selasky free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1517dc7e38acSHans Petter Selasky { 15181c807f67SHans Petter Selasky 15191c807f67SHans Petter Selasky mlx5_fwp_free(cmd->cmd_page); 15201c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 15211c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 15221c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 15231c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 1524dc7e38acSHans Petter Selasky } 1525dc7e38acSHans Petter Selasky 1526dc7e38acSHans Petter Selasky int mlx5_cmd_init(struct mlx5_core_dev *dev) 1527dc7e38acSHans Petter Selasky { 1528dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1529dc7e38acSHans Petter Selasky u32 cmd_h, cmd_l; 1530dc7e38acSHans Petter Selasky u16 cmd_if_rev; 1531dc7e38acSHans Petter Selasky int err; 1532dc7e38acSHans Petter Selasky int i; 1533dc7e38acSHans Petter Selasky 1534a2485fe5SHans Petter Selasky memset(cmd, 0, sizeof(*cmd)); 1535dc7e38acSHans Petter Selasky cmd_if_rev = cmdif_rev_get(dev); 1536dc7e38acSHans Petter Selasky if (cmd_if_rev != CMD_IF_REV) { 1537dc7e38acSHans 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); 1538dc7e38acSHans Petter Selasky return -EINVAL; 1539dc7e38acSHans Petter Selasky } 1540dc7e38acSHans Petter Selasky 1541dc7e38acSHans Petter Selasky err = alloc_cmd_page(dev, cmd); 1542dc7e38acSHans Petter Selasky if (err) 1543dc7e38acSHans Petter Selasky goto err_free_pool; 1544dc7e38acSHans Petter Selasky 1545dc7e38acSHans Petter Selasky cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff; 1546dc7e38acSHans Petter Selasky cmd->log_sz = cmd_l >> 4 & 0xf; 1547dc7e38acSHans Petter Selasky cmd->log_stride = cmd_l & 0xf; 1548dc7e38acSHans Petter Selasky if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) { 1549dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""firmware reports too many outstanding commands %d\n", 1 << cmd->log_sz); 1550dc7e38acSHans Petter Selasky err = -EINVAL; 1551dc7e38acSHans Petter Selasky goto err_free_page; 1552dc7e38acSHans Petter Selasky } 1553dc7e38acSHans Petter Selasky 1554dc7e38acSHans Petter Selasky if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) { 1555dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""command queue size overflow\n"); 1556dc7e38acSHans Petter Selasky err = -EINVAL; 1557dc7e38acSHans Petter Selasky goto err_free_page; 1558dc7e38acSHans Petter Selasky } 1559dc7e38acSHans Petter Selasky 1560dc7e38acSHans Petter Selasky cmd->checksum_disabled = 1; 1561dc7e38acSHans Petter Selasky cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; 1562dc7e38acSHans Petter Selasky cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; 1563dc7e38acSHans Petter Selasky 1564dc7e38acSHans Petter Selasky cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 1565dc7e38acSHans Petter Selasky if (cmd->cmdif_rev > CMD_IF_REV) { 1566dc7e38acSHans 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); 1567dc7e38acSHans Petter Selasky err = -ENOTSUPP; 1568dc7e38acSHans Petter Selasky goto err_free_page; 1569dc7e38acSHans Petter Selasky } 1570dc7e38acSHans Petter Selasky 1571dc7e38acSHans Petter Selasky spin_lock_init(&cmd->alloc_lock); 1572dc7e38acSHans Petter Selasky spin_lock_init(&cmd->token_lock); 1573dc7e38acSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(cmd->stats); i++) 1574dc7e38acSHans Petter Selasky spin_lock_init(&cmd->stats[i].lock); 1575dc7e38acSHans Petter Selasky 1576dc7e38acSHans Petter Selasky sema_init(&cmd->sem, cmd->max_reg_cmds); 1577dc7e38acSHans Petter Selasky sema_init(&cmd->pages_sem, 1); 1578dc7e38acSHans Petter Selasky 1579dc7e38acSHans Petter Selasky cmd_h = (u32)((u64)(cmd->dma) >> 32); 1580dc7e38acSHans Petter Selasky cmd_l = (u32)(cmd->dma); 1581dc7e38acSHans Petter Selasky if (cmd_l & 0xfff) { 1582dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""invalid command queue address\n"); 1583dc7e38acSHans Petter Selasky err = -ENOMEM; 1584dc7e38acSHans Petter Selasky goto err_free_page; 1585dc7e38acSHans Petter Selasky } 1586dc7e38acSHans Petter Selasky 1587dc7e38acSHans Petter Selasky iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); 1588dc7e38acSHans Petter Selasky iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); 1589dc7e38acSHans Petter Selasky 1590dc7e38acSHans Petter Selasky /* Make sure firmware sees the complete address before we proceed */ 1591dc7e38acSHans Petter Selasky wmb(); 1592dc7e38acSHans Petter Selasky 1593dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma)); 1594dc7e38acSHans Petter Selasky 1595dc7e38acSHans Petter Selasky cmd->mode = CMD_MODE_POLLING; 1596dc7e38acSHans Petter Selasky 1597dc7e38acSHans Petter Selasky err = create_msg_cache(dev); 1598dc7e38acSHans Petter Selasky if (err) { 1599dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command cache\n"); 1600dc7e38acSHans Petter Selasky goto err_free_page; 1601dc7e38acSHans Petter Selasky } 1602dc7e38acSHans Petter Selasky 1603dc7e38acSHans Petter Selasky set_wqname(dev); 1604dc7e38acSHans Petter Selasky cmd->wq = create_singlethread_workqueue(cmd->wq_name); 1605dc7e38acSHans Petter Selasky if (!cmd->wq) { 1606dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command workqueue\n"); 1607dc7e38acSHans Petter Selasky err = -ENOMEM; 1608dc7e38acSHans Petter Selasky goto err_cache; 1609dc7e38acSHans Petter Selasky } 1610dc7e38acSHans Petter Selasky 1611dc7e38acSHans Petter Selasky return 0; 1612dc7e38acSHans Petter Selasky 1613dc7e38acSHans Petter Selasky err_cache: 1614dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1615dc7e38acSHans Petter Selasky 1616dc7e38acSHans Petter Selasky err_free_page: 1617dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1618dc7e38acSHans Petter Selasky 1619dc7e38acSHans Petter Selasky err_free_pool: 1620dc7e38acSHans Petter Selasky return err; 1621dc7e38acSHans Petter Selasky } 1622dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init); 1623dc7e38acSHans Petter Selasky 1624dc7e38acSHans Petter Selasky void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) 1625dc7e38acSHans Petter Selasky { 1626dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1627dc7e38acSHans Petter Selasky 1628dc7e38acSHans Petter Selasky clean_debug_files(dev); 1629dc7e38acSHans Petter Selasky destroy_workqueue(cmd->wq); 1630dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1631dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1632dc7e38acSHans Petter Selasky } 1633dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup); 1634dc7e38acSHans Petter Selasky 1635dc7e38acSHans Petter Selasky static const char *cmd_status_str(u8 status) 1636dc7e38acSHans Petter Selasky { 1637dc7e38acSHans Petter Selasky switch (status) { 1638dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_OK: 1639dc7e38acSHans Petter Selasky return "OK"; 1640dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: 1641dc7e38acSHans Petter Selasky return "internal error"; 1642dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: 1643dc7e38acSHans Petter Selasky return "bad operation"; 1644dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: 1645dc7e38acSHans Petter Selasky return "bad parameter"; 1646dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: 1647dc7e38acSHans Petter Selasky return "bad system state"; 1648dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: 1649dc7e38acSHans Petter Selasky return "bad resource"; 1650dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: 1651dc7e38acSHans Petter Selasky return "resource busy"; 1652dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: 1653dc7e38acSHans Petter Selasky return "limits exceeded"; 1654dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: 1655dc7e38acSHans Petter Selasky return "bad resource state"; 1656dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: 1657dc7e38acSHans Petter Selasky return "bad index"; 1658dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: 1659dc7e38acSHans Petter Selasky return "no resources"; 1660dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: 1661dc7e38acSHans Petter Selasky return "bad input length"; 1662dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: 1663dc7e38acSHans Petter Selasky return "bad output length"; 1664dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: 1665dc7e38acSHans Petter Selasky return "bad QP state"; 1666dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: 1667dc7e38acSHans Petter Selasky return "bad packet (discarded)"; 1668dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: 1669dc7e38acSHans Petter Selasky return "bad size too many outstanding CQEs"; 1670dc7e38acSHans Petter Selasky default: 1671dc7e38acSHans Petter Selasky return "unknown status"; 1672dc7e38acSHans Petter Selasky } 1673dc7e38acSHans Petter Selasky } 1674dc7e38acSHans Petter Selasky 1675dc7e38acSHans Petter Selasky static int cmd_status_to_err_helper(u8 status) 1676dc7e38acSHans Petter Selasky { 1677dc7e38acSHans Petter Selasky switch (status) { 1678dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_OK: return 0; 1679dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: return -EIO; 1680dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL; 1681dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: return -EINVAL; 1682dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; 1683dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; 1684dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; 1685dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; 1686dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; 1687dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: return -EINVAL; 1688dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; 1689dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: return -EIO; 1690dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: return -EIO; 1691dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: return -EINVAL; 1692dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: return -EINVAL; 1693dc7e38acSHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: return -EINVAL; 1694dc7e38acSHans Petter Selasky default: return -EIO; 1695dc7e38acSHans Petter Selasky } 1696dc7e38acSHans Petter Selasky } 1697dc7e38acSHans Petter Selasky 1698dc7e38acSHans Petter Selasky /* this will be available till all the commands use set/get macros */ 1699dc7e38acSHans Petter Selasky int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr) 1700dc7e38acSHans Petter Selasky { 1701dc7e38acSHans Petter Selasky if (!hdr->status) 1702dc7e38acSHans Petter Selasky return 0; 1703dc7e38acSHans Petter Selasky 1704dc7e38acSHans 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)); 1705dc7e38acSHans Petter Selasky 1706dc7e38acSHans Petter Selasky return cmd_status_to_err_helper(hdr->status); 1707dc7e38acSHans Petter Selasky } 1708dc7e38acSHans Petter Selasky 1709dc7e38acSHans Petter Selasky int mlx5_cmd_status_to_err_v2(void *ptr) 1710dc7e38acSHans Petter Selasky { 1711dc7e38acSHans Petter Selasky u32 syndrome; 1712dc7e38acSHans Petter Selasky u8 status; 1713dc7e38acSHans Petter Selasky 1714dc7e38acSHans Petter Selasky status = be32_to_cpu(*(__be32 *)ptr) >> 24; 1715dc7e38acSHans Petter Selasky if (!status) 1716dc7e38acSHans Petter Selasky return 0; 1717dc7e38acSHans Petter Selasky 1718dc7e38acSHans Petter Selasky syndrome = be32_to_cpu(*(__be32 *)(ptr + 4)); 1719dc7e38acSHans Petter Selasky 1720dc7e38acSHans Petter Selasky printf("mlx5_core: WARN: ""command failed, status %s(0x%x), syndrome 0x%x\n", cmd_status_str(status), status, syndrome); 1721dc7e38acSHans Petter Selasky 1722dc7e38acSHans Petter Selasky return cmd_status_to_err_helper(status); 1723dc7e38acSHans Petter Selasky } 172430dfc051SHans Petter Selasky 1725