1dc7e38acSHans Petter Selasky /*- 28d1eeedbSHans Petter Selasky * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved. 3dc7e38acSHans Petter Selasky * 4dc7e38acSHans Petter Selasky * Redistribution and use in source and binary forms, with or without 5dc7e38acSHans Petter Selasky * modification, are permitted provided that the following conditions 6dc7e38acSHans Petter Selasky * are met: 7dc7e38acSHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 8dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer. 9dc7e38acSHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 10dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 11dc7e38acSHans Petter Selasky * documentation and/or other materials provided with the distribution. 12dc7e38acSHans Petter Selasky * 13dc7e38acSHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14dc7e38acSHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15dc7e38acSHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16dc7e38acSHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17dc7e38acSHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18dc7e38acSHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19dc7e38acSHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20dc7e38acSHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21dc7e38acSHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22dc7e38acSHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23dc7e38acSHans Petter Selasky * SUCH DAMAGE. 24dc7e38acSHans Petter Selasky * 25dc7e38acSHans Petter Selasky * $FreeBSD$ 26dc7e38acSHans Petter Selasky */ 27dc7e38acSHans Petter Selasky 28ee9d634bSKonstantin Belousov #include "opt_rss.h" 29ee9d634bSKonstantin Belousov #include "opt_ratelimit.h" 30ee9d634bSKonstantin Belousov 31dc7e38acSHans Petter Selasky #include <linux/module.h> 32dc7e38acSHans Petter Selasky #include <linux/errno.h> 33dc7e38acSHans Petter Selasky #include <linux/pci.h> 34dc7e38acSHans Petter Selasky #include <linux/dma-mapping.h> 35dc7e38acSHans Petter Selasky #include <linux/slab.h> 36dc7e38acSHans Petter Selasky #include <linux/delay.h> 37dc7e38acSHans Petter Selasky #include <linux/random.h> 38dc7e38acSHans Petter Selasky #include <linux/io-mapping.h> 39dc7e38acSHans Petter Selasky #include <linux/hardirq.h> 40dc7e38acSHans Petter Selasky #include <linux/ktime.h> 41dc7e38acSHans Petter Selasky #include <dev/mlx5/driver.h> 42118063fbSHans Petter Selasky #include <dev/mlx5/cmd.h> 4312c56d7dSHans Petter Selasky #include <dev/mlx5/mlx5_core/mlx5_core.h> 44dc7e38acSHans Petter Selasky 458e7e0ce1SHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size); 468e7e0ce1SHans Petter Selasky static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, 478e7e0ce1SHans Petter Selasky struct mlx5_cmd_msg *msg); 488e7e0ce1SHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); 498e7e0ce1SHans Petter Selasky 50dc7e38acSHans Petter Selasky enum { 51dc7e38acSHans Petter Selasky CMD_IF_REV = 5, 52dc7e38acSHans Petter Selasky }; 53dc7e38acSHans Petter Selasky 54dc7e38acSHans Petter Selasky enum { 55dc7e38acSHans Petter Selasky NUM_LONG_LISTS = 2, 56dc7e38acSHans Petter Selasky NUM_MED_LISTS = 64, 57dc7e38acSHans Petter Selasky LONG_LIST_SIZE = (2ULL * 1024 * 1024 * 1024 / PAGE_SIZE) * 8 + 16 + 58dc7e38acSHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, 59dc7e38acSHans Petter Selasky MED_LIST_SIZE = 16 + MLX5_CMD_DATA_BLOCK_SIZE, 60dc7e38acSHans Petter Selasky }; 61dc7e38acSHans Petter Selasky 62dc7e38acSHans Petter Selasky enum { 63dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OK = 0x0, 64dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR = 0x1, 65dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_TOK_ERR = 0x2, 66dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR = 0x3, 67dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR = 0x4, 68dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR = 0x5, 69dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_FW_ERR = 0x6, 70dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR = 0x7, 71dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR = 0x8, 72dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR = 0x9, 73dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR = 0x10, 74dc7e38acSHans Petter Selasky }; 75dc7e38acSHans Petter Selasky 76788333d9SHans Petter Selasky struct mlx5_ifc_mbox_out_bits { 77788333d9SHans Petter Selasky u8 status[0x8]; 78788333d9SHans Petter Selasky u8 reserved_at_8[0x18]; 79788333d9SHans Petter Selasky 80788333d9SHans Petter Selasky u8 syndrome[0x20]; 81788333d9SHans Petter Selasky 82788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 83788333d9SHans Petter Selasky }; 84788333d9SHans Petter Selasky 85788333d9SHans Petter Selasky struct mlx5_ifc_mbox_in_bits { 86788333d9SHans Petter Selasky u8 opcode[0x10]; 87788333d9SHans Petter Selasky u8 reserved_at_10[0x10]; 88788333d9SHans Petter Selasky 89788333d9SHans Petter Selasky u8 reserved_at_20[0x10]; 90788333d9SHans Petter Selasky u8 op_mod[0x10]; 91788333d9SHans Petter Selasky 92788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 93788333d9SHans Petter Selasky }; 94788333d9SHans Petter Selasky 95788333d9SHans Petter Selasky 96dc7e38acSHans Petter Selasky static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, 97dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *in, 981c807f67SHans Petter Selasky int uin_size, 99dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, 100dc7e38acSHans Petter Selasky void *uout, int uout_size, 101dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t cbk, 102dc7e38acSHans Petter Selasky void *context, int page_queue) 103dc7e38acSHans Petter Selasky { 104dc7e38acSHans Petter Selasky gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; 105dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 106dc7e38acSHans Petter Selasky 107dc7e38acSHans Petter Selasky ent = kzalloc(sizeof(*ent), alloc_flags); 108dc7e38acSHans Petter Selasky if (!ent) 109dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 110dc7e38acSHans Petter Selasky 111dc7e38acSHans Petter Selasky ent->in = in; 1121c807f67SHans Petter Selasky ent->uin_size = uin_size; 113dc7e38acSHans Petter Selasky ent->out = out; 114dc7e38acSHans Petter Selasky ent->uout = uout; 115dc7e38acSHans Petter Selasky ent->uout_size = uout_size; 116dc7e38acSHans Petter Selasky ent->callback = cbk; 117dc7e38acSHans Petter Selasky ent->context = context; 118dc7e38acSHans Petter Selasky ent->cmd = cmd; 119dc7e38acSHans Petter Selasky ent->page_queue = page_queue; 120dc7e38acSHans Petter Selasky 121dc7e38acSHans Petter Selasky return ent; 122dc7e38acSHans Petter Selasky } 123dc7e38acSHans Petter Selasky 124dc7e38acSHans Petter Selasky static u8 alloc_token(struct mlx5_cmd *cmd) 125dc7e38acSHans Petter Selasky { 126dc7e38acSHans Petter Selasky u8 token; 127dc7e38acSHans Petter Selasky 128dc7e38acSHans Petter Selasky spin_lock(&cmd->token_lock); 129dc7e38acSHans Petter Selasky cmd->token++; 130dc7e38acSHans Petter Selasky if (cmd->token == 0) 131dc7e38acSHans Petter Selasky cmd->token++; 132dc7e38acSHans Petter Selasky token = cmd->token; 133dc7e38acSHans Petter Selasky spin_unlock(&cmd->token_lock); 134dc7e38acSHans Petter Selasky 135dc7e38acSHans Petter Selasky return token; 136dc7e38acSHans Petter Selasky } 137dc7e38acSHans Petter Selasky 1388e7e0ce1SHans Petter Selasky static int alloc_ent(struct mlx5_cmd_work_ent *ent) 139dc7e38acSHans Petter Selasky { 140dc7e38acSHans Petter Selasky unsigned long flags; 1418e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 14230dfc051SHans Petter Selasky struct mlx5_core_dev *dev = 14330dfc051SHans Petter Selasky container_of(cmd, struct mlx5_core_dev, cmd); 1448e7e0ce1SHans Petter Selasky int ret = cmd->max_reg_cmds; 145dc7e38acSHans Petter Selasky 146dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 1478e7e0ce1SHans Petter Selasky if (!ent->page_queue) { 148dc7e38acSHans Petter Selasky ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds); 1498e7e0ce1SHans Petter Selasky if (ret >= cmd->max_reg_cmds) 1508e7e0ce1SHans Petter Selasky ret = -1; 1518e7e0ce1SHans Petter Selasky } 1528e7e0ce1SHans Petter Selasky 15330dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) 15430dfc051SHans Petter Selasky ret = -1; 15530dfc051SHans Petter Selasky 1568e7e0ce1SHans Petter Selasky if (ret != -1) { 15730dfc051SHans Petter Selasky ent->busy = 1; 1588e7e0ce1SHans Petter Selasky ent->idx = ret; 1598e7e0ce1SHans Petter Selasky clear_bit(ent->idx, &cmd->bitmask); 160721a1a6aSSlava Shwartsman cmd->ent_mode[ent->idx] = 161721a1a6aSSlava Shwartsman ent->polling ? MLX5_CMD_MODE_POLLING : MLX5_CMD_MODE_EVENTS; 1628e7e0ce1SHans Petter Selasky cmd->ent_arr[ent->idx] = ent; 1638e7e0ce1SHans Petter Selasky } 164dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 165dc7e38acSHans Petter Selasky 1668e7e0ce1SHans Petter Selasky return ret; 167dc7e38acSHans Petter Selasky } 168dc7e38acSHans Petter Selasky 169dc7e38acSHans Petter Selasky static void free_ent(struct mlx5_cmd *cmd, int idx) 170dc7e38acSHans Petter Selasky { 171dc7e38acSHans Petter Selasky unsigned long flags; 172dc7e38acSHans Petter Selasky 173dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 174721a1a6aSSlava Shwartsman cmd->ent_arr[idx] = NULL; /* safety clear */ 175721a1a6aSSlava Shwartsman cmd->ent_mode[idx] = MLX5_CMD_MODE_POLLING; /* reset mode */ 176dc7e38acSHans Petter Selasky set_bit(idx, &cmd->bitmask); 177dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 178dc7e38acSHans Petter Selasky } 179dc7e38acSHans Petter Selasky 180dc7e38acSHans Petter Selasky static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) 181dc7e38acSHans Petter Selasky { 182dc7e38acSHans Petter Selasky return cmd->cmd_buf + (idx << cmd->log_stride); 183dc7e38acSHans Petter Selasky } 184dc7e38acSHans Petter Selasky 185dc7e38acSHans Petter Selasky static u8 xor8_buf(void *buf, int len) 186dc7e38acSHans Petter Selasky { 187dc7e38acSHans Petter Selasky u8 *ptr = buf; 188dc7e38acSHans Petter Selasky u8 sum = 0; 189dc7e38acSHans Petter Selasky int i; 190dc7e38acSHans Petter Selasky 191dc7e38acSHans Petter Selasky for (i = 0; i < len; i++) 192dc7e38acSHans Petter Selasky sum ^= ptr[i]; 193dc7e38acSHans Petter Selasky 194dc7e38acSHans Petter Selasky return sum; 195dc7e38acSHans Petter Selasky } 196dc7e38acSHans Petter Selasky 197dc7e38acSHans Petter Selasky static int verify_block_sig(struct mlx5_cmd_prot_block *block) 198dc7e38acSHans Petter Selasky { 199dc7e38acSHans Petter Selasky if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) 200dc7e38acSHans Petter Selasky return -EINVAL; 201dc7e38acSHans Petter Selasky 202dc7e38acSHans Petter Selasky if (xor8_buf(block, sizeof(*block)) != 0xff) 203dc7e38acSHans Petter Selasky return -EINVAL; 204dc7e38acSHans Petter Selasky 205dc7e38acSHans Petter Selasky return 0; 206dc7e38acSHans Petter Selasky } 207dc7e38acSHans Petter Selasky 208dc7e38acSHans Petter Selasky static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, 209dc7e38acSHans Petter Selasky int csum) 210dc7e38acSHans Petter Selasky { 211dc7e38acSHans Petter Selasky block->token = token; 212dc7e38acSHans Petter Selasky if (csum) { 213dc7e38acSHans Petter Selasky block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - 214dc7e38acSHans Petter Selasky sizeof(block->data) - 2); 215dc7e38acSHans Petter Selasky block->sig = ~xor8_buf(block, sizeof(*block) - 1); 216dc7e38acSHans Petter Selasky } 217dc7e38acSHans Petter Selasky } 218dc7e38acSHans Petter Selasky 2191c807f67SHans Petter Selasky static void 2201c807f67SHans Petter Selasky calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) 221dc7e38acSHans Petter Selasky { 2221c807f67SHans Petter Selasky size_t i; 223dc7e38acSHans Petter Selasky 2241c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2251c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 2261c807f67SHans Petter Selasky 2271c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2281c807f67SHans Petter Selasky 2291c807f67SHans Petter Selasky /* compute signature */ 2301c807f67SHans Petter Selasky calc_block_sig(block, token, csum); 2311c807f67SHans Petter Selasky 2321c807f67SHans Petter Selasky /* check for last block */ 2331c807f67SHans Petter Selasky if (block->next == 0) 2341c807f67SHans Petter Selasky break; 235dc7e38acSHans Petter Selasky } 2361c807f67SHans Petter Selasky 2371c807f67SHans Petter Selasky /* make sure data gets written to RAM */ 2381c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 239dc7e38acSHans Petter Selasky } 240dc7e38acSHans Petter Selasky 241dc7e38acSHans Petter Selasky static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) 242dc7e38acSHans Petter Selasky { 243dc7e38acSHans Petter Selasky ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); 244dc7e38acSHans Petter Selasky calc_chain_sig(ent->in, ent->token, csum); 245dc7e38acSHans Petter Selasky calc_chain_sig(ent->out, ent->token, csum); 246dc7e38acSHans Petter Selasky } 247dc7e38acSHans Petter Selasky 248dc7e38acSHans Petter Selasky static void poll_timeout(struct mlx5_cmd_work_ent *ent) 249dc7e38acSHans Petter Selasky { 25030dfc051SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, 25130dfc051SHans Petter Selasky struct mlx5_core_dev, cmd); 25230dfc051SHans Petter Selasky int poll_end = jiffies + 25330dfc051SHans Petter Selasky msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC + 1000); 254dc7e38acSHans Petter Selasky u8 own; 255dc7e38acSHans Petter Selasky 256dc7e38acSHans Petter Selasky do { 257dc7e38acSHans Petter Selasky own = ent->lay->status_own; 25830dfc051SHans Petter Selasky if (!(own & CMD_OWNER_HW) || 25930dfc051SHans Petter Selasky dev->state != MLX5_DEVICE_STATE_UP) { 260dc7e38acSHans Petter Selasky ent->ret = 0; 261dc7e38acSHans Petter Selasky return; 262dc7e38acSHans Petter Selasky } 263dc7e38acSHans Petter Selasky usleep_range(5000, 10000); 264dc7e38acSHans Petter Selasky } while (time_before(jiffies, poll_end)); 265dc7e38acSHans Petter Selasky 266dc7e38acSHans Petter Selasky ent->ret = -ETIMEDOUT; 267dc7e38acSHans Petter Selasky } 268dc7e38acSHans Petter Selasky 269dc7e38acSHans Petter Selasky static void free_cmd(struct mlx5_cmd_work_ent *ent) 270dc7e38acSHans Petter Selasky { 27111546d06SHans Petter Selasky cancel_delayed_work_sync(&ent->cb_timeout_work); 272dc7e38acSHans Petter Selasky kfree(ent); 273dc7e38acSHans Petter Selasky } 274dc7e38acSHans Petter Selasky 2751c807f67SHans Petter Selasky static int 2761c807f67SHans Petter Selasky verify_signature(struct mlx5_cmd_work_ent *ent) 277dc7e38acSHans Petter Selasky { 2781c807f67SHans Petter Selasky struct mlx5_cmd_msg *msg = ent->out; 2791c807f67SHans Petter Selasky size_t i; 280dc7e38acSHans Petter Selasky int err; 281dc7e38acSHans Petter Selasky u8 sig; 282dc7e38acSHans Petter Selasky 283dc7e38acSHans Petter Selasky sig = xor8_buf(ent->lay, sizeof(*ent->lay)); 284dc7e38acSHans Petter Selasky if (sig != 0xff) 285dc7e38acSHans Petter Selasky return -EINVAL; 286dc7e38acSHans Petter Selasky 2871c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2881c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 289dc7e38acSHans Petter Selasky 2901c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2911c807f67SHans Petter Selasky 2921c807f67SHans Petter Selasky /* compute signature */ 2931c807f67SHans Petter Selasky err = verify_block_sig(block); 2941c807f67SHans Petter Selasky if (err != 0) 2951c807f67SHans Petter Selasky return (err); 2961c807f67SHans Petter Selasky 2971c807f67SHans Petter Selasky /* check for last block */ 2981c807f67SHans Petter Selasky if (block->next == 0) 2991c807f67SHans Petter Selasky break; 300dc7e38acSHans Petter Selasky } 3011c807f67SHans Petter Selasky return (0); 302dc7e38acSHans Petter Selasky } 303dc7e38acSHans Petter Selasky 304dc7e38acSHans Petter Selasky static void dump_buf(void *buf, int size, int data_only, int offset) 305dc7e38acSHans Petter Selasky { 306dc7e38acSHans Petter Selasky __be32 *p = buf; 307dc7e38acSHans Petter Selasky int i; 308dc7e38acSHans Petter Selasky 309dc7e38acSHans Petter Selasky for (i = 0; i < size; i += 16) { 310dc7e38acSHans Petter Selasky pr_debug("%03x: %08x %08x %08x %08x\n", offset, be32_to_cpu(p[0]), 311dc7e38acSHans Petter Selasky be32_to_cpu(p[1]), be32_to_cpu(p[2]), 312dc7e38acSHans Petter Selasky be32_to_cpu(p[3])); 313dc7e38acSHans Petter Selasky p += 4; 314dc7e38acSHans Petter Selasky offset += 16; 315dc7e38acSHans Petter Selasky } 316dc7e38acSHans Petter Selasky if (!data_only) 317dc7e38acSHans Petter Selasky pr_debug("\n"); 318dc7e38acSHans Petter Selasky } 319dc7e38acSHans Petter Selasky 320a2485fe5SHans Petter Selasky enum { 321a2485fe5SHans Petter Selasky MLX5_DRIVER_STATUS_ABORTED = 0xfe, 322a2485fe5SHans Petter Selasky MLX5_DRIVER_SYND = 0xbadd00de, 323a2485fe5SHans Petter Selasky }; 324a2485fe5SHans Petter Selasky 325a2485fe5SHans Petter Selasky static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, 326a2485fe5SHans Petter Selasky u32 *synd, u8 *status) 327a2485fe5SHans Petter Selasky { 328a2485fe5SHans Petter Selasky *synd = 0; 329a2485fe5SHans Petter Selasky *status = 0; 330a2485fe5SHans Petter Selasky 331a2485fe5SHans Petter Selasky switch (op) { 332a2485fe5SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 333a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 334a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 335a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 336a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 337a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 338a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 339a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 340a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 341a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 342a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 343a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 344a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 345a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 346a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 347a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 348a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 349a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 350a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 351a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 352a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 353a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 354a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 355a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 356a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 357a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 358a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 359a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 360a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 361a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 362a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 363a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 364a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 365a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 36604f1690bSHans Petter Selasky case MLX5_CMD_OP_DESTROY_GENERAL_OBJ: 367a2485fe5SHans Petter Selasky return MLX5_CMD_STAT_OK; 368a2485fe5SHans Petter Selasky 369a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 370a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 371a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 372a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 373a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 374a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 375a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 376a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 377a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 378a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 379a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 380a2485fe5SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 381a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 382a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 383a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 384a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 385a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 386a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 387a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 388a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 389a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 390a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 391a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 392a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 393a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 394a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 395a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 396a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 397a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 398a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 399a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 400a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 401a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 402a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 403a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 404a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 405a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 406a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 407a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 408a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 409a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 410a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 411a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 412a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 413a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 414a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 415a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 416a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 417a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 418c29b90baSHans Petter Selasky case MLX5_CMD_OP_QUERY_VNIC_ENV: 419a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 420a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 421a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 422a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 423a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 424a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 425a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 426a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 427a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 428a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 429a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 430a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 431a2485fe5SHans Petter Selasky case MLX5_CMD_OP_NOP: 432a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 433a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 434a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 435a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 436a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 437a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 438a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 439a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 440a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 441a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 442a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 443a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 444a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 445a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 446a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 447a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 448a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 449a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 450a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 451a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 452a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 453a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 454a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 455a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 456a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 457a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 458a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 459a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 460a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 461a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 462a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 463a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 464a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 46504f1690bSHans Petter Selasky case MLX5_CMD_OP_CREATE_GENERAL_OBJ: 46604f1690bSHans Petter Selasky case MLX5_CMD_OP_MODIFY_GENERAL_OBJ: 46704f1690bSHans Petter Selasky case MLX5_CMD_OP_QUERY_GENERAL_OBJ: 468a2485fe5SHans Petter Selasky *status = MLX5_DRIVER_STATUS_ABORTED; 469a2485fe5SHans Petter Selasky *synd = MLX5_DRIVER_SYND; 470a2485fe5SHans Petter Selasky return -EIO; 471a2485fe5SHans Petter Selasky default: 472a2485fe5SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", op); 473a2485fe5SHans Petter Selasky return -EINVAL; 474a2485fe5SHans Petter Selasky } 475a2485fe5SHans Petter Selasky } 476a2485fe5SHans Petter Selasky 477dc7e38acSHans Petter Selasky const char *mlx5_command_str(int command) 478dc7e38acSHans Petter Selasky { 479ee1b5c58SHans Petter Selasky #define MLX5_COMMAND_STR_CASE(__cmd) case MLX5_CMD_OP_ ## __cmd: return #__cmd 480ee1b5c58SHans Petter Selasky 481dc7e38acSHans Petter Selasky switch (command) { 482ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_CAP); 483ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_HCA_CAP); 484ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ADAPTER); 485ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT_HCA); 486ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(TEARDOWN_HCA); 487ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ENABLE_HCA); 488ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DISABLE_HCA); 489ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_PAGES); 490ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MANAGE_PAGES); 491ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ISSI); 492ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ISSI); 493ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_MKEY); 494ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MKEY); 495ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_MKEY); 496ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SPECIAL_CONTEXTS); 497ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(PAGE_FAULT_RESUME); 498ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_EQ); 499ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_EQ); 500ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_EQ); 501ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GEN_EQE); 502ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_CQ); 503ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_CQ); 504ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CQ); 505ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CQ); 506ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_QP); 507ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_QP); 508ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RST2INIT_QP); 509ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2RTR_QP); 510ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTR2RTS_QP); 511ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTS2RTS_QP); 512ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQERR2RTS_QP); 513ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2ERR_QP); 514ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2RST_QP); 515ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_QP); 516ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQD_RTS_QP); 517ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MAD_IFC); 518ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2INIT_QP); 519ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_PSV); 520ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_PSV); 521ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SRQ); 522ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SRQ); 523ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SRQ); 524ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_RQ); 525ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_XRC_SRQ); 526ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_XRC_SRQ); 527ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_XRC_SRQ); 528ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_XRC_SRQ); 529ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_DCT); 530ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DC_CNAK_TRACE); 531ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_DCT); 532ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DRAIN_DCT); 533ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DCT); 534ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_DCT_FOR_KEY_VIOLATION); 535ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_STATE); 536ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_VPORT_STATE); 537ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ESW_VPORT_CONTEXT); 538ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_ESW_VPORT_CONTEXT); 539ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_NIC_VPORT_CONTEXT); 540ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_NIC_VPORT_CONTEXT); 541ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ROCE_ADDRESS); 542ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ROCE_ADDRESS); 543ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_CONTEXT); 544ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_HCA_VPORT_CONTEXT); 545ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_GID); 546ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_PKEY); 547c29b90baSHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VNIC_ENV); 548ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_COUNTER); 549ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_WOL_ROL); 550ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_WOL_ROL); 551ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER); 552ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER); 553ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER); 554ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_PD); 555ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_PD); 556ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_UAR); 557ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_UAR); 558ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CONFIG_INT_MODERATION); 559ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ATTACH_TO_MCG); 560ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DETACH_FROM_MCG); 561ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GET_DROPPED_PACKET_LOG); 562ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MAD_DEMUX); 563ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_MAD_DEMUX); 564ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(NOP); 565ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_XRCD); 566ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_XRCD); 567ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_TRANSPORT_DOMAIN); 568ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_TRANSPORT_DOMAIN); 569ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATUS); 570ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_STATUS); 571ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_PARAMS); 572ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_PARAMS); 573ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATISTICS); 574ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ADD_VXLAN_UDP_DPORT); 575ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_VXLAN_UDP_DPORT); 576ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_L2_TABLE_ENTRY); 577ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_L2_TABLE_ENTRY); 578ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_L2_TABLE_ENTRY); 579ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RMP); 580ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RMP); 581ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RMP); 582ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RMP); 583ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQT); 584ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQT); 585ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQT); 586ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQT); 587ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ACCESS_REG); 588ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SQ); 589ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_SQ); 590ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SQ); 591ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SQ); 592ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQ); 593ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQ); 594ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQ); 595ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQ); 596ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIR); 597ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIR); 598ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIR); 599ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIR); 600ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIS); 601ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIS); 602ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIS); 603ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIS); 604ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_TABLE); 605ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_TABLE); 606ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE); 607ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_GROUP); 608ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_GROUP); 609ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_GROUP); 610ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_FLOW_TABLE_ENTRY); 611ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE_ENTRY); 612ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_FLOW_TABLE_ENTRY); 613ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DIAGNOSTICS); 614ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DIAGNOSTICS); 61504f1690bSHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_GENERAL_OBJ); 61604f1690bSHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_GENERAL_OBJ); 61704f1690bSHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_GENERAL_OBJ); 61804f1690bSHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_GENERAL_OBJ); 619dc7e38acSHans Petter Selasky default: return "unknown command opcode"; 620dc7e38acSHans Petter Selasky } 621dc7e38acSHans Petter Selasky } 622dc7e38acSHans Petter Selasky 623788333d9SHans Petter Selasky static const char *cmd_status_str(u8 status) 624788333d9SHans Petter Selasky { 625788333d9SHans Petter Selasky switch (status) { 626788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: 627788333d9SHans Petter Selasky return "OK"; 628788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: 629788333d9SHans Petter Selasky return "internal error"; 630788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: 631788333d9SHans Petter Selasky return "bad operation"; 632788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: 633788333d9SHans Petter Selasky return "bad parameter"; 634788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: 635788333d9SHans Petter Selasky return "bad system state"; 636788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: 637788333d9SHans Petter Selasky return "bad resource"; 638788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: 639788333d9SHans Petter Selasky return "resource busy"; 640788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: 641788333d9SHans Petter Selasky return "limits exceeded"; 642788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: 643788333d9SHans Petter Selasky return "bad resource state"; 644788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: 645788333d9SHans Petter Selasky return "bad index"; 646788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: 647788333d9SHans Petter Selasky return "no resources"; 648788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: 649788333d9SHans Petter Selasky return "bad input length"; 650788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: 651788333d9SHans Petter Selasky return "bad output length"; 652788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: 653788333d9SHans Petter Selasky return "bad QP state"; 654788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: 655788333d9SHans Petter Selasky return "bad packet (discarded)"; 656788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: 657788333d9SHans Petter Selasky return "bad size too many outstanding CQEs"; 658788333d9SHans Petter Selasky default: 659788333d9SHans Petter Selasky return "unknown status"; 660788333d9SHans Petter Selasky } 661788333d9SHans Petter Selasky } 662788333d9SHans Petter Selasky 663788333d9SHans Petter Selasky static int cmd_status_to_err_helper(u8 status) 664788333d9SHans Petter Selasky { 665788333d9SHans Petter Selasky switch (status) { 666788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: return 0; 667788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: return -EIO; 668788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL; 669788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: return -EINVAL; 670788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; 671788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; 672788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; 673788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; 674788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; 675788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: return -EINVAL; 676788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; 677788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: return -EIO; 678788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: return -EIO; 679788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: return -EINVAL; 680788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: return -EINVAL; 681788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: return -EINVAL; 682788333d9SHans Petter Selasky default: return -EIO; 683788333d9SHans Petter Selasky } 684788333d9SHans Petter Selasky } 685788333d9SHans Petter Selasky 686788333d9SHans Petter Selasky void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome) 687788333d9SHans Petter Selasky { 688788333d9SHans Petter Selasky *status = MLX5_GET(mbox_out, out, status); 689788333d9SHans Petter Selasky *syndrome = MLX5_GET(mbox_out, out, syndrome); 690788333d9SHans Petter Selasky } 691788333d9SHans Petter Selasky 692788333d9SHans Petter Selasky static int mlx5_cmd_check(struct mlx5_core_dev *dev, void *in, void *out) 693788333d9SHans Petter Selasky { 694788333d9SHans Petter Selasky u32 syndrome; 695788333d9SHans Petter Selasky u8 status; 696788333d9SHans Petter Selasky u16 opcode; 697788333d9SHans Petter Selasky u16 op_mod; 698788333d9SHans Petter Selasky 699788333d9SHans Petter Selasky mlx5_cmd_mbox_status(out, &status, &syndrome); 700788333d9SHans Petter Selasky if (!status) 701788333d9SHans Petter Selasky return 0; 702788333d9SHans Petter Selasky 703788333d9SHans Petter Selasky opcode = MLX5_GET(mbox_in, in, opcode); 704788333d9SHans Petter Selasky op_mod = MLX5_GET(mbox_in, in, op_mod); 705788333d9SHans Petter Selasky 706788333d9SHans Petter Selasky mlx5_core_err(dev, 707788333d9SHans Petter Selasky "%s(0x%x) op_mod(0x%x) failed, status %s(0x%x), syndrome (0x%x)\n", 708788333d9SHans Petter Selasky mlx5_command_str(opcode), 709788333d9SHans Petter Selasky opcode, op_mod, 710788333d9SHans Petter Selasky cmd_status_str(status), 711788333d9SHans Petter Selasky status, 712788333d9SHans Petter Selasky syndrome); 713788333d9SHans Petter Selasky 714788333d9SHans Petter Selasky return cmd_status_to_err_helper(status); 715788333d9SHans Petter Selasky } 716788333d9SHans Petter Selasky 717dc7e38acSHans Petter Selasky static void dump_command(struct mlx5_core_dev *dev, 718dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent, int input) 719dc7e38acSHans Petter Selasky { 720dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = input ? ent->in : ent->out; 721788333d9SHans Petter Selasky u16 op = MLX5_GET(mbox_in, ent->lay->in, opcode); 7221c807f67SHans Petter Selasky size_t i; 723dc7e38acSHans Petter Selasky int data_only; 7241c807f67SHans Petter Selasky int offset = 0; 7251c807f67SHans Petter Selasky int msg_len = input ? ent->uin_size : ent->uout_size; 726dc7e38acSHans Petter Selasky int dump_len; 727dc7e38acSHans Petter Selasky 728dc7e38acSHans Petter Selasky data_only = !!(mlx5_core_debug_mask & (1 << MLX5_CMD_DATA)); 729dc7e38acSHans Petter Selasky 730dc7e38acSHans Petter Selasky if (data_only) 731dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_DATA, 732dc7e38acSHans Petter Selasky "dump command data %s(0x%x) %s\n", 733dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 734dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 735dc7e38acSHans Petter Selasky else 736dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "dump command %s(0x%x) %s\n", 737dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 738dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 739dc7e38acSHans Petter Selasky 740dc7e38acSHans Petter Selasky if (data_only) { 741dc7e38acSHans Petter Selasky if (input) { 742dc7e38acSHans Petter Selasky dump_buf(ent->lay->in, sizeof(ent->lay->in), 1, offset); 743dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->in); 744dc7e38acSHans Petter Selasky } else { 745dc7e38acSHans Petter Selasky dump_buf(ent->lay->out, sizeof(ent->lay->out), 1, offset); 746dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->out); 747dc7e38acSHans Petter Selasky } 748dc7e38acSHans Petter Selasky } else { 749dc7e38acSHans Petter Selasky dump_buf(ent->lay, sizeof(*ent->lay), 0, offset); 750dc7e38acSHans Petter Selasky offset += sizeof(*ent->lay); 751dc7e38acSHans Petter Selasky } 752dc7e38acSHans Petter Selasky 7531c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 7541c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 7551c807f67SHans Petter Selasky 7561c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 7571c807f67SHans Petter Selasky 758dc7e38acSHans Petter Selasky if (data_only) { 7591c807f67SHans Petter Selasky if (offset >= msg_len) 7601c807f67SHans Petter Selasky break; 7611c807f67SHans Petter Selasky dump_len = min_t(int, 7621c807f67SHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, msg_len - offset); 7631c807f67SHans Petter Selasky 7641c807f67SHans Petter Selasky dump_buf(block->data, dump_len, 1, offset); 765dc7e38acSHans Petter Selasky offset += MLX5_CMD_DATA_BLOCK_SIZE; 766dc7e38acSHans Petter Selasky } else { 767dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "command block:\n"); 7681c807f67SHans Petter Selasky dump_buf(block, sizeof(*block), 0, offset); 7691c807f67SHans Petter Selasky offset += sizeof(*block); 770dc7e38acSHans Petter Selasky } 7711c807f67SHans Petter Selasky 7721c807f67SHans Petter Selasky /* check for last block */ 7731c807f67SHans Petter Selasky if (block->next == 0) 7741c807f67SHans Petter Selasky break; 775dc7e38acSHans Petter Selasky } 776dc7e38acSHans Petter Selasky 777dc7e38acSHans Petter Selasky if (data_only) 778dc7e38acSHans Petter Selasky pr_debug("\n"); 779dc7e38acSHans Petter Selasky } 780dc7e38acSHans Petter Selasky 78111546d06SHans Petter Selasky static u16 msg_to_opcode(struct mlx5_cmd_msg *in) 78211546d06SHans Petter Selasky { 783788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in->first.data, opcode); 78411546d06SHans Petter Selasky } 78511546d06SHans Petter Selasky 78611546d06SHans Petter Selasky static void cb_timeout_handler(struct work_struct *work) 78711546d06SHans Petter Selasky { 78811546d06SHans Petter Selasky struct delayed_work *dwork = container_of(work, struct delayed_work, 78911546d06SHans Petter Selasky work); 79011546d06SHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(dwork, 79111546d06SHans Petter Selasky struct mlx5_cmd_work_ent, 79211546d06SHans Petter Selasky cb_timeout_work); 79311546d06SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, 79411546d06SHans Petter Selasky cmd); 79511546d06SHans Petter Selasky 79611546d06SHans Petter Selasky ent->ret = -ETIMEDOUT; 79711546d06SHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 79811546d06SHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 79911546d06SHans Petter Selasky msg_to_opcode(ent->in)); 800721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1UL << ent->idx, MLX5_CMD_MODE_EVENTS); 80111546d06SHans Petter Selasky } 80211546d06SHans Petter Selasky 8038e7e0ce1SHans Petter Selasky static void complete_command(struct mlx5_cmd_work_ent *ent) 8048e7e0ce1SHans Petter Selasky { 8058e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 8068e7e0ce1SHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, 8078e7e0ce1SHans Petter Selasky cmd); 808f361e561SHans Petter Selasky mlx5_cmd_cbk_t callback; 809f361e561SHans Petter Selasky void *context; 810f361e561SHans Petter Selasky 8118e7e0ce1SHans Petter Selasky s64 ds; 8128e7e0ce1SHans Petter Selasky struct mlx5_cmd_stats *stats; 8138e7e0ce1SHans Petter Selasky unsigned long flags; 8148e7e0ce1SHans Petter Selasky int err; 8158e7e0ce1SHans Petter Selasky struct semaphore *sem; 8168e7e0ce1SHans Petter Selasky 8178e7e0ce1SHans Petter Selasky if (ent->page_queue) 8188e7e0ce1SHans Petter Selasky sem = &cmd->pages_sem; 8198e7e0ce1SHans Petter Selasky else 8208e7e0ce1SHans Petter Selasky sem = &cmd->sem; 8218e7e0ce1SHans Petter Selasky 82230dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) { 823788333d9SHans Petter Selasky u8 status = 0; 824788333d9SHans Petter Selasky u32 drv_synd; 82530dfc051SHans Petter Selasky 826788333d9SHans Petter Selasky ent->ret = mlx5_internal_err_ret_value(dev, msg_to_opcode(ent->in), &drv_synd, &status); 827788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, status, status); 828788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); 82930dfc051SHans Petter Selasky } 83030dfc051SHans Petter Selasky 8318e7e0ce1SHans Petter Selasky if (ent->callback) { 8328e7e0ce1SHans Petter Selasky ds = ent->ts2 - ent->ts1; 8338e7e0ce1SHans Petter Selasky if (ent->op < ARRAY_SIZE(cmd->stats)) { 8348e7e0ce1SHans Petter Selasky stats = &cmd->stats[ent->op]; 8358e7e0ce1SHans Petter Selasky spin_lock_irqsave(&stats->lock, flags); 8368e7e0ce1SHans Petter Selasky stats->sum += ds; 8378e7e0ce1SHans Petter Selasky ++stats->n; 8388e7e0ce1SHans Petter Selasky spin_unlock_irqrestore(&stats->lock, flags); 8398e7e0ce1SHans Petter Selasky } 8408e7e0ce1SHans Petter Selasky 841f361e561SHans Petter Selasky callback = ent->callback; 842f361e561SHans Petter Selasky context = ent->context; 8438e7e0ce1SHans Petter Selasky err = ent->ret; 844788333d9SHans Petter Selasky if (!err) { 8458e7e0ce1SHans Petter Selasky err = mlx5_copy_from_msg(ent->uout, 8468e7e0ce1SHans Petter Selasky ent->out, 8478e7e0ce1SHans Petter Selasky ent->uout_size); 848788333d9SHans Petter Selasky err = err ? err : mlx5_cmd_check(dev, 849788333d9SHans Petter Selasky ent->in->first.data, 850788333d9SHans Petter Selasky ent->uout); 851788333d9SHans Petter Selasky } 8528e7e0ce1SHans Petter Selasky 8538e7e0ce1SHans Petter Selasky mlx5_free_cmd_msg(dev, ent->out); 8548e7e0ce1SHans Petter Selasky free_msg(dev, ent->in); 8558e7e0ce1SHans Petter Selasky 856a2485fe5SHans Petter Selasky err = err ? err : ent->status; 8578e7e0ce1SHans Petter Selasky free_cmd(ent); 858f361e561SHans Petter Selasky callback(err, context); 8598e7e0ce1SHans Petter Selasky } else { 8608e7e0ce1SHans Petter Selasky complete(&ent->done); 8618e7e0ce1SHans Petter Selasky } 8628e7e0ce1SHans Petter Selasky up(sem); 8638e7e0ce1SHans Petter Selasky } 8648e7e0ce1SHans Petter Selasky 865dc7e38acSHans Petter Selasky static void cmd_work_handler(struct work_struct *work) 866dc7e38acSHans Petter Selasky { 867dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); 868dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 869dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); 87011546d06SHans Petter Selasky unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 871dc7e38acSHans Petter Selasky struct mlx5_cmd_layout *lay; 872dc7e38acSHans Petter Selasky struct semaphore *sem; 873c0902569SHans Petter Selasky bool poll_cmd = ent->polling; 874dc7e38acSHans Petter Selasky 875dc7e38acSHans Petter Selasky sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; 876dc7e38acSHans Petter Selasky down(sem); 8778e7e0ce1SHans Petter Selasky 8788e7e0ce1SHans Petter Selasky if (alloc_ent(ent) < 0) { 8798e7e0ce1SHans Petter Selasky complete_command(ent); 880dc7e38acSHans Petter Selasky return; 881dc7e38acSHans Petter Selasky } 882dc7e38acSHans Petter Selasky 883dc7e38acSHans Petter Selasky ent->token = alloc_token(cmd); 884dc7e38acSHans Petter Selasky lay = get_inst(cmd, ent->idx); 885dc7e38acSHans Petter Selasky ent->lay = lay; 886dc7e38acSHans Petter Selasky memset(lay, 0, sizeof(*lay)); 887dc7e38acSHans Petter Selasky memcpy(lay->in, ent->in->first.data, sizeof(lay->in)); 888dc7e38acSHans Petter Selasky ent->op = be32_to_cpu(lay->in[0]) >> 16; 8891c807f67SHans Petter Selasky if (ent->in->numpages != 0) 8901c807f67SHans Petter Selasky lay->in_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->in, 0)); 8911c807f67SHans Petter Selasky if (ent->out->numpages != 0) 8921c807f67SHans Petter Selasky lay->out_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->out, 0)); 8931c807f67SHans Petter Selasky lay->inlen = cpu_to_be32(ent->uin_size); 8941c807f67SHans Petter Selasky lay->outlen = cpu_to_be32(ent->uout_size); 895dc7e38acSHans Petter Selasky lay->type = MLX5_PCI_CMD_XPORT; 896dc7e38acSHans Petter Selasky lay->token = ent->token; 897dc7e38acSHans Petter Selasky lay->status_own = CMD_OWNER_HW; 898dc7e38acSHans Petter Selasky set_signature(ent, !cmd->checksum_disabled); 899dc7e38acSHans Petter Selasky dump_command(dev, ent, 1); 900dc7e38acSHans Petter Selasky ent->ts1 = ktime_get_ns(); 90130dfc051SHans Petter Selasky ent->busy = 0; 90211546d06SHans Petter Selasky if (ent->callback) 90311546d06SHans Petter Selasky schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); 90411546d06SHans Petter Selasky 905dc7e38acSHans Petter Selasky /* ring doorbell after the descriptor is valid */ 906dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); 9071c807f67SHans Petter Selasky /* make sure data is written to RAM */ 9081c807f67SHans Petter Selasky mlx5_fwp_flush(cmd->cmd_page); 909dc7e38acSHans Petter Selasky iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell); 910dc7e38acSHans Petter Selasky mmiowb(); 911721a1a6aSSlava Shwartsman 912dc7e38acSHans Petter Selasky /* if not in polling don't use ent after this point */ 913721a1a6aSSlava Shwartsman if (poll_cmd) { 914dc7e38acSHans Petter Selasky poll_timeout(ent); 915dc7e38acSHans Petter Selasky /* make sure we read the descriptor after ownership is SW */ 916721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1U << ent->idx, MLX5_CMD_MODE_POLLING); 917dc7e38acSHans Petter Selasky } 918dc7e38acSHans Petter Selasky } 919dc7e38acSHans Petter Selasky 920dc7e38acSHans Petter Selasky static const char *deliv_status_to_str(u8 status) 921dc7e38acSHans Petter Selasky { 922dc7e38acSHans Petter Selasky switch (status) { 923dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OK: 924dc7e38acSHans Petter Selasky return "no errors"; 925dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR: 926dc7e38acSHans Petter Selasky return "signature error"; 927dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_TOK_ERR: 928dc7e38acSHans Petter Selasky return "token error"; 929dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR: 930dc7e38acSHans Petter Selasky return "bad block number"; 931dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR: 932dc7e38acSHans Petter Selasky return "output pointer not aligned to block size"; 933dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR: 934dc7e38acSHans Petter Selasky return "input pointer not aligned to block size"; 935dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_FW_ERR: 936dc7e38acSHans Petter Selasky return "firmware internal error"; 937dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR: 938dc7e38acSHans Petter Selasky return "command input length error"; 939dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR: 940dc7e38acSHans Petter Selasky return "command ouput length error"; 941dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR: 942dc7e38acSHans Petter Selasky return "reserved fields not cleared"; 943dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR: 944dc7e38acSHans Petter Selasky return "bad command descriptor type"; 945dc7e38acSHans Petter Selasky default: 946dc7e38acSHans Petter Selasky return "unknown status code"; 947dc7e38acSHans Petter Selasky } 948dc7e38acSHans Petter Selasky } 949dc7e38acSHans Petter Selasky 950dc7e38acSHans Petter Selasky static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) 951dc7e38acSHans Petter Selasky { 952dc7e38acSHans Petter Selasky int timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 953dc7e38acSHans Petter Selasky int err; 954dc7e38acSHans Petter Selasky 955721a1a6aSSlava Shwartsman if (ent->polling) { 956dc7e38acSHans Petter Selasky wait_for_completion(&ent->done); 9572327a753SHans Petter Selasky } else if (!wait_for_completion_timeout(&ent->done, timeout)) { 9582327a753SHans Petter Selasky ent->ret = -ETIMEDOUT; 959721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1UL << ent->idx, MLX5_CMD_MODE_EVENTS); 960dc7e38acSHans Petter Selasky } 96130dfc051SHans Petter Selasky 9622327a753SHans Petter Selasky err = ent->ret; 9632327a753SHans Petter Selasky 964dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) { 965dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 966dc7e38acSHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 967dc7e38acSHans Petter Selasky msg_to_opcode(ent->in)); 968dc7e38acSHans Petter Selasky } 969dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", 970dc7e38acSHans Petter Selasky err, deliv_status_to_str(ent->status), ent->status); 971dc7e38acSHans Petter Selasky 972dc7e38acSHans Petter Selasky return err; 973dc7e38acSHans Petter Selasky } 974dc7e38acSHans Petter Selasky 975dc7e38acSHans Petter Selasky /* Notes: 976dc7e38acSHans Petter Selasky * 1. Callback functions may not sleep 977dc7e38acSHans Petter Selasky * 2. page queue commands do not support asynchrous completion 978dc7e38acSHans Petter Selasky */ 979dc7e38acSHans Petter Selasky static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, 9801c807f67SHans Petter Selasky int uin_size, 981dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, void *uout, int uout_size, 982dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t callback, 983c0902569SHans Petter Selasky void *context, int page_queue, u8 *status, 984c0902569SHans Petter Selasky bool force_polling) 985dc7e38acSHans Petter Selasky { 986dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 987dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 988dc7e38acSHans Petter Selasky struct mlx5_cmd_stats *stats; 989dc7e38acSHans Petter Selasky int err = 0; 990dc7e38acSHans Petter Selasky s64 ds; 991dc7e38acSHans Petter Selasky u16 op; 992dc7e38acSHans Petter Selasky 993dc7e38acSHans Petter Selasky if (callback && page_queue) 994dc7e38acSHans Petter Selasky return -EINVAL; 995dc7e38acSHans Petter Selasky 9961c807f67SHans Petter Selasky ent = alloc_cmd(cmd, in, uin_size, out, uout, uout_size, callback, 9971c807f67SHans Petter Selasky context, page_queue); 998dc7e38acSHans Petter Selasky if (IS_ERR(ent)) 999dc7e38acSHans Petter Selasky return PTR_ERR(ent); 1000dc7e38acSHans Petter Selasky 1001721a1a6aSSlava Shwartsman ent->polling = force_polling || (cmd->mode == MLX5_CMD_MODE_POLLING); 1002c0902569SHans Petter Selasky 1003dc7e38acSHans Petter Selasky if (!callback) 1004dc7e38acSHans Petter Selasky init_completion(&ent->done); 1005dc7e38acSHans Petter Selasky 100611546d06SHans Petter Selasky INIT_DELAYED_WORK(&ent->cb_timeout_work, cb_timeout_handler); 1007dc7e38acSHans Petter Selasky INIT_WORK(&ent->work, cmd_work_handler); 1008dc7e38acSHans Petter Selasky if (page_queue) { 1009dc7e38acSHans Petter Selasky cmd_work_handler(&ent->work); 10108d1eeedbSHans Petter Selasky } else if (!queue_work(dev->priv.health.wq_cmd, &ent->work)) { 1011dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to queue work\n"); 1012dc7e38acSHans Petter Selasky err = -ENOMEM; 1013dc7e38acSHans Petter Selasky goto out_free; 1014dc7e38acSHans Petter Selasky } 1015dc7e38acSHans Petter Selasky 10162327a753SHans Petter Selasky if (callback) 10172327a753SHans Petter Selasky goto out; 10182327a753SHans Petter Selasky 1019dc7e38acSHans Petter Selasky err = wait_func(dev, ent); 1020dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) 1021dc7e38acSHans Petter Selasky goto out; 1022dc7e38acSHans Petter Selasky 1023dc7e38acSHans Petter Selasky ds = ent->ts2 - ent->ts1; 1024788333d9SHans Petter Selasky op = MLX5_GET(mbox_in, in->first.data, opcode); 1025dc7e38acSHans Petter Selasky if (op < ARRAY_SIZE(cmd->stats)) { 1026dc7e38acSHans Petter Selasky stats = &cmd->stats[op]; 1027dc7e38acSHans Petter Selasky spin_lock_irq(&stats->lock); 1028dc7e38acSHans Petter Selasky stats->sum += ds; 1029dc7e38acSHans Petter Selasky ++stats->n; 1030dc7e38acSHans Petter Selasky spin_unlock_irq(&stats->lock); 1031dc7e38acSHans Petter Selasky } 1032dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, 1033dc7e38acSHans Petter Selasky "fw exec time for %s is %lld nsec\n", 1034dc7e38acSHans Petter Selasky mlx5_command_str(op), (long long)ds); 1035dc7e38acSHans Petter Selasky *status = ent->status; 1036dc7e38acSHans Petter Selasky free_cmd(ent); 1037dc7e38acSHans Petter Selasky 1038dc7e38acSHans Petter Selasky return err; 1039dc7e38acSHans Petter Selasky 1040dc7e38acSHans Petter Selasky out_free: 1041dc7e38acSHans Petter Selasky free_cmd(ent); 1042dc7e38acSHans Petter Selasky out: 1043dc7e38acSHans Petter Selasky return err; 1044dc7e38acSHans Petter Selasky } 1045dc7e38acSHans Petter Selasky 10461c807f67SHans Petter Selasky static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, size_t size) 1047dc7e38acSHans Petter Selasky { 10481c807f67SHans Petter Selasky size_t delta; 10491c807f67SHans Petter Selasky size_t i; 10501c807f67SHans Petter Selasky 10511c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10521c807f67SHans Petter Selasky return (-ENOMEM); 10531c807f67SHans Petter Selasky 10541c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(to->first.data)); 10551c807f67SHans Petter Selasky memcpy(to->first.data, from, delta); 10561c807f67SHans Petter Selasky from = (char *)from + delta; 10571c807f67SHans Petter Selasky size -= delta; 10581c807f67SHans Petter Selasky 10591c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1060dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1061dc7e38acSHans Petter Selasky 10621c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(to, i * MLX5_CMD_MBOX_SIZE); 1063dc7e38acSHans Petter Selasky 10641c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10651c807f67SHans Petter Selasky memcpy(block->data, from, delta); 10661c807f67SHans Petter Selasky from = (char *)from + delta; 10671c807f67SHans Petter Selasky size -= delta; 1068dc7e38acSHans Petter Selasky } 10691c807f67SHans Petter Selasky return (0); 1070dc7e38acSHans Petter Selasky } 1071dc7e38acSHans Petter Selasky 1072dc7e38acSHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) 1073dc7e38acSHans Petter Selasky { 10741c807f67SHans Petter Selasky size_t delta; 10751c807f67SHans Petter Selasky size_t i; 10761c807f67SHans Petter Selasky 10771c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10781c807f67SHans Petter Selasky return (-ENOMEM); 10791c807f67SHans Petter Selasky 10801c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(from->first.data)); 10811c807f67SHans Petter Selasky memcpy(to, from->first.data, delta); 10821c807f67SHans Petter Selasky to = (char *)to + delta; 10831c807f67SHans Petter Selasky size -= delta; 10841c807f67SHans Petter Selasky 10851c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1086dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1087dc7e38acSHans Petter Selasky 10881c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(from, i * MLX5_CMD_MBOX_SIZE); 1089dc7e38acSHans Petter Selasky 10901c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10911c807f67SHans Petter Selasky memcpy(to, block->data, delta); 10921c807f67SHans Petter Selasky to = (char *)to + delta; 10931c807f67SHans Petter Selasky size -= delta; 10941c807f67SHans Petter Selasky } 10951c807f67SHans Petter Selasky return (0); 1096dc7e38acSHans Petter Selasky } 1097dc7e38acSHans Petter Selasky 10981c807f67SHans Petter Selasky static struct mlx5_cmd_msg * 10991c807f67SHans Petter Selasky mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, gfp_t flags, size_t size) 1100dc7e38acSHans Petter Selasky { 1101dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 11021c807f67SHans Petter Selasky size_t blen; 11031c807f67SHans Petter Selasky size_t n; 11041c807f67SHans Petter Selasky size_t i; 1105dc7e38acSHans Petter Selasky 11061c807f67SHans Petter Selasky blen = size - min_t(size_t, sizeof(msg->first.data), size); 11071c807f67SHans Petter Selasky n = howmany(blen, MLX5_CMD_DATA_BLOCK_SIZE); 1108dc7e38acSHans Petter Selasky 11091c807f67SHans Petter Selasky msg = mlx5_fwp_alloc(dev, flags, howmany(n, MLX5_NUM_CMDS_IN_ADAPTER_PAGE)); 11101c807f67SHans Petter Selasky if (msg == NULL) 11111c807f67SHans Petter Selasky return (ERR_PTR(-ENOMEM)); 1112dc7e38acSHans Petter Selasky 11131c807f67SHans Petter Selasky for (i = 0; i != n; i++) { 11141c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 11151c807f67SHans Petter Selasky 11161c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 11171c807f67SHans Petter Selasky 11181c807f67SHans Petter Selasky memset(block, 0, MLX5_CMD_MBOX_SIZE); 11191c807f67SHans Petter Selasky 11201c807f67SHans Petter Selasky if (i != (n - 1)) { 11211c807f67SHans Petter Selasky u64 dma = mlx5_fwp_get_dma(msg, (i + 1) * MLX5_CMD_MBOX_SIZE); 11221c807f67SHans Petter Selasky block->next = cpu_to_be64(dma); 11231c807f67SHans Petter Selasky } 11241c807f67SHans Petter Selasky block->block_num = cpu_to_be32(i); 1125dc7e38acSHans Petter Selasky } 1126dc7e38acSHans Petter Selasky 11271c807f67SHans Petter Selasky /* make sure initial data is written to RAM */ 11281c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 1129dc7e38acSHans Petter Selasky 11301c807f67SHans Petter Selasky return (msg); 1131dc7e38acSHans Petter Selasky } 1132dc7e38acSHans Petter Selasky 11331c807f67SHans Petter Selasky static void 11341c807f67SHans Petter Selasky mlx5_free_cmd_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1135dc7e38acSHans Petter Selasky { 1136dc7e38acSHans Petter Selasky 11371c807f67SHans Petter Selasky mlx5_fwp_free(msg); 1138dc7e38acSHans Petter Selasky } 1139dc7e38acSHans Petter Selasky 1140dc7e38acSHans Petter Selasky static void clean_debug_files(struct mlx5_core_dev *dev) 1141dc7e38acSHans Petter Selasky { 1142dc7e38acSHans Petter Selasky } 1143dc7e38acSHans Petter Selasky 1144dc7e38acSHans Petter Selasky 11452327a753SHans Petter Selasky static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode) 1146dc7e38acSHans Petter Selasky { 1147dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1148dc7e38acSHans Petter Selasky int i; 1149dc7e38acSHans Petter Selasky 1150192fc18dSHans Petter Selasky if (cmd->mode == mode) 1151192fc18dSHans Petter Selasky return; 1152192fc18dSHans Petter Selasky 1153dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1154dc7e38acSHans Petter Selasky down(&cmd->sem); 1155dc7e38acSHans Petter Selasky 1156dc7e38acSHans Petter Selasky down(&cmd->pages_sem); 11572327a753SHans Petter Selasky cmd->mode = mode; 1158dc7e38acSHans Petter Selasky 1159dc7e38acSHans Petter Selasky up(&cmd->pages_sem); 1160dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1161dc7e38acSHans Petter Selasky up(&cmd->sem); 1162dc7e38acSHans Petter Selasky } 1163dc7e38acSHans Petter Selasky 11642327a753SHans Petter Selasky void mlx5_cmd_use_events(struct mlx5_core_dev *dev) 11652327a753SHans Petter Selasky { 1166721a1a6aSSlava Shwartsman mlx5_cmd_change_mod(dev, MLX5_CMD_MODE_EVENTS); 11672327a753SHans Petter Selasky } 11682327a753SHans Petter Selasky 1169dc7e38acSHans Petter Selasky void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) 1170dc7e38acSHans Petter Selasky { 1171721a1a6aSSlava Shwartsman mlx5_cmd_change_mod(dev, MLX5_CMD_MODE_POLLING); 1172dc7e38acSHans Petter Selasky } 1173dc7e38acSHans Petter Selasky 1174dc7e38acSHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1175dc7e38acSHans Petter Selasky { 1176dc7e38acSHans Petter Selasky unsigned long flags; 1177dc7e38acSHans Petter Selasky 1178dc7e38acSHans Petter Selasky if (msg->cache) { 1179dc7e38acSHans Petter Selasky spin_lock_irqsave(&msg->cache->lock, flags); 1180dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &msg->cache->head); 1181dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&msg->cache->lock, flags); 1182dc7e38acSHans Petter Selasky } else { 1183dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1184dc7e38acSHans Petter Selasky } 1185dc7e38acSHans Petter Selasky } 1186dc7e38acSHans Petter Selasky 1187721a1a6aSSlava Shwartsman void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector_flags, 1188721a1a6aSSlava Shwartsman enum mlx5_cmd_mode cmd_mode) 1189dc7e38acSHans Petter Selasky { 1190dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1191dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 119270b417cfSSlava Shwartsman bool triggered = (vector_flags & MLX5_TRIGGERED_CMD_COMP) ? 1 : 0; 119370b417cfSSlava Shwartsman u32 vector = vector_flags; /* discard flags in the upper dword */ 1194dc7e38acSHans Petter Selasky int i; 1195dc7e38acSHans Petter Selasky 11961c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 11971c807f67SHans Petter Selasky mlx5_fwp_invalidate(cmd->cmd_page); 11981c807f67SHans Petter Selasky 1199d0ce5a0dSHans Petter Selasky while (vector != 0) { 1200d0ce5a0dSHans Petter Selasky i = ffs(vector) - 1; 1201d0ce5a0dSHans Petter Selasky vector &= ~(1U << i); 1202721a1a6aSSlava Shwartsman /* check command mode */ 1203721a1a6aSSlava Shwartsman if (cmd->ent_mode[i] != cmd_mode) 1204721a1a6aSSlava Shwartsman continue; 1205dc7e38acSHans Petter Selasky ent = cmd->ent_arr[i]; 1206721a1a6aSSlava Shwartsman /* check if command was already handled */ 1207721a1a6aSSlava Shwartsman if (ent == NULL) 1208721a1a6aSSlava Shwartsman continue; 120911546d06SHans Petter Selasky if (ent->callback) 121011546d06SHans Petter Selasky cancel_delayed_work(&ent->cb_timeout_work); 1211dc7e38acSHans Petter Selasky ent->ts2 = ktime_get_ns(); 1212d0ce5a0dSHans Petter Selasky memcpy(ent->out->first.data, ent->lay->out, 1213d0ce5a0dSHans Petter Selasky sizeof(ent->lay->out)); 12141c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 12151c807f67SHans Petter Selasky mlx5_fwp_invalidate(ent->out); 1216dc7e38acSHans Petter Selasky dump_command(dev, ent, 0); 1217dc7e38acSHans Petter Selasky if (!ent->ret) { 1218dc7e38acSHans Petter Selasky if (!cmd->checksum_disabled) 1219dc7e38acSHans Petter Selasky ent->ret = verify_signature(ent); 1220dc7e38acSHans Petter Selasky else 1221dc7e38acSHans Petter Selasky ent->ret = 0; 1222a5754bd2SHans Petter Selasky 122370b417cfSSlava Shwartsman if (triggered) 1224a2485fe5SHans Petter Selasky ent->status = MLX5_DRIVER_STATUS_ABORTED; 1225a2485fe5SHans Petter Selasky else 1226a2485fe5SHans Petter Selasky ent->status = ent->lay->status_own >> 1; 122730dfc051SHans Petter Selasky 1228d0ce5a0dSHans Petter Selasky mlx5_core_dbg(dev, 1229d0ce5a0dSHans Petter Selasky "FW command ret 0x%x, status %s(0x%x)\n", 1230d0ce5a0dSHans Petter Selasky ent->ret, 1231d0ce5a0dSHans Petter Selasky deliv_status_to_str(ent->status), 1232d0ce5a0dSHans Petter Selasky ent->status); 1233dc7e38acSHans Petter Selasky } 1234dc7e38acSHans Petter Selasky free_ent(cmd, ent->idx); 12358e7e0ce1SHans Petter Selasky complete_command(ent); 1236dc7e38acSHans Petter Selasky } 1237dc7e38acSHans Petter Selasky } 1238dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_comp_handler); 1239dc7e38acSHans Petter Selasky 1240dc7e38acSHans Petter Selasky static int status_to_err(u8 status) 1241dc7e38acSHans Petter Selasky { 124207e68e62SHans Petter Selasky return status ? -EIO : 0; /* TBD more meaningful codes */ 1243dc7e38acSHans Petter Selasky } 1244dc7e38acSHans Petter Selasky 1245dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, 1246dc7e38acSHans Petter Selasky gfp_t gfp) 1247dc7e38acSHans Petter Selasky { 1248dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM); 1249dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1250dc7e38acSHans Petter Selasky struct cache_ent *ent = NULL; 1251dc7e38acSHans Petter Selasky 1252dc7e38acSHans Petter Selasky if (in_size > MED_LIST_SIZE && in_size <= LONG_LIST_SIZE) 1253dc7e38acSHans Petter Selasky ent = &cmd->cache.large; 1254dc7e38acSHans Petter Selasky else if (in_size > 16 && in_size <= MED_LIST_SIZE) 1255dc7e38acSHans Petter Selasky ent = &cmd->cache.med; 1256dc7e38acSHans Petter Selasky 1257dc7e38acSHans Petter Selasky if (ent) { 1258dc7e38acSHans Petter Selasky spin_lock_irq(&ent->lock); 1259dc7e38acSHans Petter Selasky if (!list_empty(&ent->head)) { 1260dc7e38acSHans Petter Selasky msg = list_entry(ent->head.next, struct mlx5_cmd_msg, 1261dc7e38acSHans Petter Selasky list); 1262dc7e38acSHans Petter Selasky list_del(&msg->list); 1263dc7e38acSHans Petter Selasky } 1264dc7e38acSHans Petter Selasky spin_unlock_irq(&ent->lock); 1265dc7e38acSHans Petter Selasky } 1266dc7e38acSHans Petter Selasky 1267dc7e38acSHans Petter Selasky if (IS_ERR(msg)) 1268dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); 1269dc7e38acSHans Petter Selasky 1270dc7e38acSHans Petter Selasky return msg; 1271dc7e38acSHans Petter Selasky } 1272dc7e38acSHans Petter Selasky 1273788333d9SHans Petter Selasky static int is_manage_pages(void *in) 1274a2485fe5SHans Petter Selasky { 1275788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in, opcode) == MLX5_CMD_OP_MANAGE_PAGES; 1276dc7e38acSHans Petter Selasky } 1277dc7e38acSHans Petter Selasky 127830dfc051SHans Petter Selasky static int cmd_exec_helper(struct mlx5_core_dev *dev, 127930dfc051SHans Petter Selasky void *in, int in_size, 128030dfc051SHans Petter Selasky void *out, int out_size, 1281c0902569SHans Petter Selasky mlx5_cmd_cbk_t callback, void *context, 1282c0902569SHans Petter Selasky bool force_polling) 1283dc7e38acSHans Petter Selasky { 1284dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *inb; 1285dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *outb; 1286dc7e38acSHans Petter Selasky int pages_queue; 12871d4905b5SHans Petter Selasky const gfp_t gfp = GFP_KERNEL; 1288dc7e38acSHans Petter Selasky int err; 1289dc7e38acSHans Petter Selasky u8 status = 0; 1290a2485fe5SHans Petter Selasky u32 drv_synd; 1291a2485fe5SHans Petter Selasky 1292e787b5acSHans Petter Selasky if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 1293788333d9SHans Petter Selasky u16 opcode = MLX5_GET(mbox_in, in, opcode); 1294788333d9SHans Petter Selasky err = mlx5_internal_err_ret_value(dev, opcode, &drv_synd, &status); 1295788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, status, status); 1296788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, syndrome, drv_synd); 1297a2485fe5SHans Petter Selasky return err; 1298a2485fe5SHans Petter Selasky } 1299dc7e38acSHans Petter Selasky 1300dc7e38acSHans Petter Selasky pages_queue = is_manage_pages(in); 1301dc7e38acSHans Petter Selasky 1302dc7e38acSHans Petter Selasky inb = alloc_msg(dev, in_size, gfp); 1303dc7e38acSHans Petter Selasky if (IS_ERR(inb)) { 1304dc7e38acSHans Petter Selasky err = PTR_ERR(inb); 1305dc7e38acSHans Petter Selasky return err; 1306dc7e38acSHans Petter Selasky } 1307dc7e38acSHans Petter Selasky 1308dc7e38acSHans Petter Selasky err = mlx5_copy_to_msg(inb, in, in_size); 1309dc7e38acSHans Petter Selasky if (err) { 1310dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "err %d\n", err); 1311dc7e38acSHans Petter Selasky goto out_in; 1312dc7e38acSHans Petter Selasky } 1313dc7e38acSHans Petter Selasky 1314dc7e38acSHans Petter Selasky outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); 1315dc7e38acSHans Petter Selasky if (IS_ERR(outb)) { 1316dc7e38acSHans Petter Selasky err = PTR_ERR(outb); 1317dc7e38acSHans Petter Selasky goto out_in; 1318dc7e38acSHans Petter Selasky } 1319dc7e38acSHans Petter Selasky 13201c807f67SHans Petter Selasky err = mlx5_cmd_invoke(dev, inb, in_size, outb, out, out_size, callback, 1321c0902569SHans Petter Selasky context, pages_queue, &status, force_polling); 132297ac3908SHans Petter Selasky if (err) { 132397ac3908SHans Petter Selasky if (err == -ETIMEDOUT) 132497ac3908SHans Petter Selasky return err; 1325dc7e38acSHans Petter Selasky goto out_out; 132697ac3908SHans Petter Selasky } 1327dc7e38acSHans Petter Selasky 1328dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, status %d\n", err, status); 1329dc7e38acSHans Petter Selasky if (status) { 1330dc7e38acSHans Petter Selasky err = status_to_err(status); 1331dc7e38acSHans Petter Selasky goto out_out; 1332dc7e38acSHans Petter Selasky } 1333dc7e38acSHans Petter Selasky 1334dc7e38acSHans Petter Selasky if (callback) 1335dc7e38acSHans Petter Selasky return err; 1336dc7e38acSHans Petter Selasky 1337dc7e38acSHans Petter Selasky err = mlx5_copy_from_msg(out, outb, out_size); 1338dc7e38acSHans Petter Selasky 1339dc7e38acSHans Petter Selasky out_out: 1340dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, outb); 1341dc7e38acSHans Petter Selasky 1342dc7e38acSHans Petter Selasky out_in: 1343dc7e38acSHans Petter Selasky free_msg(dev, inb); 1344dc7e38acSHans Petter Selasky return err; 1345dc7e38acSHans Petter Selasky } 1346dc7e38acSHans Petter Selasky 1347dc7e38acSHans Petter Selasky int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1348dc7e38acSHans Petter Selasky int out_size) 1349dc7e38acSHans Petter Selasky { 1350788333d9SHans Petter Selasky int err; 1351788333d9SHans Petter Selasky 1352c0902569SHans Petter Selasky err = cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL, false); 1353788333d9SHans Petter Selasky return err ? : mlx5_cmd_check(dev, in, out); 1354dc7e38acSHans Petter Selasky } 1355dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec); 1356dc7e38acSHans Petter Selasky 13577eefcb5eSHans Petter Selasky void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev, 13587eefcb5eSHans Petter Selasky struct mlx5_async_ctx *ctx) 1359dc7e38acSHans Petter Selasky { 13607eefcb5eSHans Petter Selasky ctx->dev = dev; 13617eefcb5eSHans Petter Selasky /* Starts at 1 to avoid doing wake_up if we are not cleaning up */ 13627eefcb5eSHans Petter Selasky atomic_set(&ctx->num_inflight, 1); 13637eefcb5eSHans Petter Selasky init_waitqueue_head(&ctx->wait); 13647eefcb5eSHans Petter Selasky } 13657eefcb5eSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init_async_ctx); 13667eefcb5eSHans Petter Selasky 13677eefcb5eSHans Petter Selasky /** 13687eefcb5eSHans Petter Selasky * mlx5_cmd_cleanup_async_ctx - Clean up an async_ctx 13697eefcb5eSHans Petter Selasky * @ctx: The ctx to clean 13707eefcb5eSHans Petter Selasky * 13717eefcb5eSHans Petter Selasky * Upon return all callbacks given to mlx5_cmd_exec_cb() have been called. The 13727eefcb5eSHans Petter Selasky * caller must ensure that mlx5_cmd_exec_cb() is not called during or after 13737eefcb5eSHans Petter Selasky * the call mlx5_cleanup_async_ctx(). 13747eefcb5eSHans Petter Selasky */ 13757eefcb5eSHans Petter Selasky void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx) 13767eefcb5eSHans Petter Selasky { 13777eefcb5eSHans Petter Selasky atomic_dec(&ctx->num_inflight); 13787eefcb5eSHans Petter Selasky wait_event(ctx->wait, atomic_read(&ctx->num_inflight) == 0); 13797eefcb5eSHans Petter Selasky } 13807eefcb5eSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup_async_ctx); 13817eefcb5eSHans Petter Selasky 13827eefcb5eSHans Petter Selasky static void mlx5_cmd_exec_cb_handler(int status, void *_work) 13837eefcb5eSHans Petter Selasky { 13847eefcb5eSHans Petter Selasky struct mlx5_async_work *work = _work; 13857eefcb5eSHans Petter Selasky struct mlx5_async_ctx *ctx = work->ctx; 13867eefcb5eSHans Petter Selasky 13877eefcb5eSHans Petter Selasky work->user_callback(status, work); 13887eefcb5eSHans Petter Selasky if (atomic_dec_and_test(&ctx->num_inflight)) 13897eefcb5eSHans Petter Selasky wake_up(&ctx->wait); 13907eefcb5eSHans Petter Selasky } 13917eefcb5eSHans Petter Selasky 13927eefcb5eSHans Petter Selasky int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size, 13937eefcb5eSHans Petter Selasky void *out, int out_size, mlx5_async_cbk_t callback, 13947eefcb5eSHans Petter Selasky struct mlx5_async_work *work) 13957eefcb5eSHans Petter Selasky { 13967eefcb5eSHans Petter Selasky int ret; 13977eefcb5eSHans Petter Selasky 13987eefcb5eSHans Petter Selasky work->ctx = ctx; 13997eefcb5eSHans Petter Selasky work->user_callback = callback; 14007eefcb5eSHans Petter Selasky if (WARN_ON(!atomic_inc_not_zero(&ctx->num_inflight))) 14017eefcb5eSHans Petter Selasky return -EIO; 14027eefcb5eSHans Petter Selasky ret = cmd_exec_helper(ctx->dev, in, in_size, out, out_size, 14037eefcb5eSHans Petter Selasky mlx5_cmd_exec_cb_handler, work, false); 14047eefcb5eSHans Petter Selasky if (ret && atomic_dec_and_test(&ctx->num_inflight)) 14057eefcb5eSHans Petter Selasky wake_up(&ctx->wait); 14067eefcb5eSHans Petter Selasky 14077eefcb5eSHans Petter Selasky return ret; 1408dc7e38acSHans Petter Selasky } 1409dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_cb); 1410dc7e38acSHans Petter Selasky 1411c0902569SHans Petter Selasky int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, 1412c0902569SHans Petter Selasky void *out, int out_size) 1413c0902569SHans Petter Selasky { 1414c0902569SHans Petter Selasky int err; 1415c0902569SHans Petter Selasky 1416c0902569SHans Petter Selasky err = cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL, true); 1417c0902569SHans Petter Selasky return err ? : mlx5_cmd_check(dev, in, out); 1418c0902569SHans Petter Selasky } 1419c0902569SHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_polling); 1420c0902569SHans Petter Selasky 1421dc7e38acSHans Petter Selasky static void destroy_msg_cache(struct mlx5_core_dev *dev) 1422dc7e38acSHans Petter Selasky { 1423dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1424dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1425dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *n; 1426dc7e38acSHans Petter Selasky 1427dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.large.head, list) { 1428dc7e38acSHans Petter Selasky list_del(&msg->list); 1429dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1430dc7e38acSHans Petter Selasky } 1431dc7e38acSHans Petter Selasky 1432dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.med.head, list) { 1433dc7e38acSHans Petter Selasky list_del(&msg->list); 1434dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1435dc7e38acSHans Petter Selasky } 1436dc7e38acSHans Petter Selasky } 1437dc7e38acSHans Petter Selasky 1438dc7e38acSHans Petter Selasky static int create_msg_cache(struct mlx5_core_dev *dev) 1439dc7e38acSHans Petter Selasky { 1440dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1441dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1442dc7e38acSHans Petter Selasky int err; 1443dc7e38acSHans Petter Selasky int i; 1444dc7e38acSHans Petter Selasky 1445dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.large.lock); 1446dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.large.head); 1447dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.med.lock); 1448dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.med.head); 1449dc7e38acSHans Petter Selasky 1450dc7e38acSHans Petter Selasky for (i = 0; i < NUM_LONG_LISTS; i++) { 1451dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_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.large; 1457dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.large.head); 1458dc7e38acSHans Petter Selasky } 1459dc7e38acSHans Petter Selasky 1460dc7e38acSHans Petter Selasky for (i = 0; i < NUM_MED_LISTS; i++) { 1461dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); 1462dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1463dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1464dc7e38acSHans Petter Selasky goto ex_err; 1465dc7e38acSHans Petter Selasky } 1466dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.med; 1467dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.med.head); 1468dc7e38acSHans Petter Selasky } 1469dc7e38acSHans Petter Selasky 1470dc7e38acSHans Petter Selasky return 0; 1471dc7e38acSHans Petter Selasky 1472dc7e38acSHans Petter Selasky ex_err: 1473dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1474dc7e38acSHans Petter Selasky return err; 1475dc7e38acSHans Petter Selasky } 1476dc7e38acSHans Petter Selasky 14771c807f67SHans Petter Selasky static int 14781c807f67SHans Petter Selasky alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1479dc7e38acSHans Petter Selasky { 14801c807f67SHans Petter Selasky int err; 1481dc7e38acSHans Petter Selasky 14821c807f67SHans Petter Selasky sx_init(&cmd->dma_sx, "MLX5-DMA-SX"); 14831c807f67SHans Petter Selasky mtx_init(&cmd->dma_mtx, "MLX5-DMA-MTX", NULL, MTX_DEF); 14841c807f67SHans Petter Selasky cv_init(&cmd->dma_cv, "MLX5-DMA-CV"); 14851c807f67SHans Petter Selasky 14861c807f67SHans Petter Selasky /* 14871c807f67SHans Petter Selasky * Create global DMA descriptor tag for allocating 14881c807f67SHans Petter Selasky * 4K firmware pages: 14891c807f67SHans Petter Selasky */ 14901c807f67SHans Petter Selasky err = -bus_dma_tag_create( 14911c807f67SHans Petter Selasky bus_get_dma_tag(dev->pdev->dev.bsddev), 14921c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* alignment */ 14931c807f67SHans Petter Selasky 0, /* no boundary */ 14941c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* lowaddr */ 14951c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* highaddr */ 14961c807f67SHans Petter Selasky NULL, NULL, /* filter, filterarg */ 14971c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsize */ 14981c807f67SHans Petter Selasky 1, /* nsegments */ 14991c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsegsize */ 15001c807f67SHans Petter Selasky 0, /* flags */ 15011c807f67SHans Petter Selasky NULL, NULL, /* lockfunc, lockfuncarg */ 15021c807f67SHans Petter Selasky &cmd->dma_tag); 15031c807f67SHans Petter Selasky if (err != 0) 15041c807f67SHans Petter Selasky goto failure_destroy_sx; 15051c807f67SHans Petter Selasky 15061c807f67SHans Petter Selasky cmd->cmd_page = mlx5_fwp_alloc(dev, GFP_KERNEL, 1); 15071c807f67SHans Petter Selasky if (cmd->cmd_page == NULL) { 15081c807f67SHans Petter Selasky err = -ENOMEM; 15091c807f67SHans Petter Selasky goto failure_alloc_page; 15101c807f67SHans Petter Selasky } 15111c807f67SHans Petter Selasky cmd->dma = mlx5_fwp_get_dma(cmd->cmd_page, 0); 15121c807f67SHans Petter Selasky cmd->cmd_buf = mlx5_fwp_get_virt(cmd->cmd_page, 0); 15131c807f67SHans Petter Selasky return (0); 15141c807f67SHans Petter Selasky 15151c807f67SHans Petter Selasky failure_alloc_page: 15161c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 15171c807f67SHans Petter Selasky 15181c807f67SHans Petter Selasky failure_destroy_sx: 15191c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 15201c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 15211c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 15221c807f67SHans Petter Selasky return (err); 1523dc7e38acSHans Petter Selasky } 1524dc7e38acSHans Petter Selasky 15251c807f67SHans Petter Selasky static void 15261c807f67SHans Petter Selasky free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1527dc7e38acSHans Petter Selasky { 15281c807f67SHans Petter Selasky 15291c807f67SHans Petter Selasky mlx5_fwp_free(cmd->cmd_page); 15301c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 15311c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 15321c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 15331c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 1534dc7e38acSHans Petter Selasky } 1535dc7e38acSHans Petter Selasky 1536dc7e38acSHans Petter Selasky int mlx5_cmd_init(struct mlx5_core_dev *dev) 1537dc7e38acSHans Petter Selasky { 1538dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1539dc7e38acSHans Petter Selasky u32 cmd_h, cmd_l; 1540dc7e38acSHans Petter Selasky u16 cmd_if_rev; 1541dc7e38acSHans Petter Selasky int err; 1542dc7e38acSHans Petter Selasky int i; 1543dc7e38acSHans Petter Selasky 1544a2485fe5SHans Petter Selasky memset(cmd, 0, sizeof(*cmd)); 1545dc7e38acSHans Petter Selasky cmd_if_rev = cmdif_rev_get(dev); 1546dc7e38acSHans Petter Selasky if (cmd_if_rev != CMD_IF_REV) { 1547a2f4f59cSHans Petter Selasky mlx5_core_err(dev, 1548a2f4f59cSHans Petter Selasky "Driver cmdif rev(%d) differs from firmware's(%d)\n", 1549a2f4f59cSHans Petter Selasky CMD_IF_REV, cmd_if_rev); 1550dc7e38acSHans Petter Selasky return -EINVAL; 1551dc7e38acSHans Petter Selasky } 1552dc7e38acSHans Petter Selasky 1553dc7e38acSHans Petter Selasky err = alloc_cmd_page(dev, cmd); 1554dc7e38acSHans Petter Selasky if (err) 1555dc7e38acSHans Petter Selasky goto err_free_pool; 1556dc7e38acSHans Petter Selasky 1557dc7e38acSHans Petter Selasky cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff; 1558dc7e38acSHans Petter Selasky cmd->log_sz = cmd_l >> 4 & 0xf; 1559dc7e38acSHans Petter Selasky cmd->log_stride = cmd_l & 0xf; 1560dc7e38acSHans Petter Selasky if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) { 1561a2f4f59cSHans Petter Selasky mlx5_core_err(dev, 1562a2f4f59cSHans Petter Selasky "firmware reports too many outstanding commands %d\n", 1563a2f4f59cSHans Petter Selasky 1 << cmd->log_sz); 1564dc7e38acSHans Petter Selasky err = -EINVAL; 1565dc7e38acSHans Petter Selasky goto err_free_page; 1566dc7e38acSHans Petter Selasky } 1567dc7e38acSHans Petter Selasky 1568dc7e38acSHans Petter Selasky if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) { 1569a2f4f59cSHans Petter Selasky mlx5_core_err(dev, 1570a2f4f59cSHans Petter Selasky "command queue size overflow\n"); 1571dc7e38acSHans Petter Selasky err = -EINVAL; 1572dc7e38acSHans Petter Selasky goto err_free_page; 1573dc7e38acSHans Petter Selasky } 1574dc7e38acSHans Petter Selasky 1575dc7e38acSHans Petter Selasky cmd->checksum_disabled = 1; 1576dc7e38acSHans Petter Selasky cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; 1577dc7e38acSHans Petter Selasky cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; 1578dc7e38acSHans Petter Selasky 1579dc7e38acSHans Petter Selasky cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 1580dc7e38acSHans Petter Selasky if (cmd->cmdif_rev > CMD_IF_REV) { 1581a2f4f59cSHans Petter Selasky mlx5_core_err(dev, 1582a2f4f59cSHans Petter Selasky "driver does not support command interface version. driver %d, firmware %d\n", 1583a2f4f59cSHans Petter Selasky CMD_IF_REV, cmd->cmdif_rev); 1584dc7e38acSHans Petter Selasky err = -ENOTSUPP; 1585dc7e38acSHans Petter Selasky goto err_free_page; 1586dc7e38acSHans Petter Selasky } 1587dc7e38acSHans Petter Selasky 1588dc7e38acSHans Petter Selasky spin_lock_init(&cmd->alloc_lock); 1589dc7e38acSHans Petter Selasky spin_lock_init(&cmd->token_lock); 1590dc7e38acSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(cmd->stats); i++) 1591dc7e38acSHans Petter Selasky spin_lock_init(&cmd->stats[i].lock); 1592dc7e38acSHans Petter Selasky 1593dc7e38acSHans Petter Selasky sema_init(&cmd->sem, cmd->max_reg_cmds); 1594dc7e38acSHans Petter Selasky sema_init(&cmd->pages_sem, 1); 1595dc7e38acSHans Petter Selasky 1596dc7e38acSHans Petter Selasky cmd_h = (u32)((u64)(cmd->dma) >> 32); 1597dc7e38acSHans Petter Selasky cmd_l = (u32)(cmd->dma); 1598dc7e38acSHans Petter Selasky if (cmd_l & 0xfff) { 1599a2f4f59cSHans Petter Selasky mlx5_core_err(dev, "invalid command queue address\n"); 1600dc7e38acSHans Petter Selasky err = -ENOMEM; 1601dc7e38acSHans Petter Selasky goto err_free_page; 1602dc7e38acSHans Petter Selasky } 1603dc7e38acSHans Petter Selasky 1604dc7e38acSHans Petter Selasky iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); 1605dc7e38acSHans Petter Selasky iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); 1606dc7e38acSHans Petter Selasky 1607dc7e38acSHans Petter Selasky /* Make sure firmware sees the complete address before we proceed */ 1608dc7e38acSHans Petter Selasky wmb(); 1609dc7e38acSHans Petter Selasky 1610dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma)); 1611dc7e38acSHans Petter Selasky 1612721a1a6aSSlava Shwartsman cmd->mode = MLX5_CMD_MODE_POLLING; 1613dc7e38acSHans Petter Selasky 1614dc7e38acSHans Petter Selasky err = create_msg_cache(dev); 1615dc7e38acSHans Petter Selasky if (err) { 1616a2f4f59cSHans Petter Selasky mlx5_core_err(dev, "failed to create command cache\n"); 1617dc7e38acSHans Petter Selasky goto err_free_page; 1618dc7e38acSHans Petter Selasky } 1619dc7e38acSHans Petter Selasky return 0; 1620dc7e38acSHans Petter Selasky 1621dc7e38acSHans Petter Selasky err_free_page: 1622dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1623dc7e38acSHans Petter Selasky 1624dc7e38acSHans Petter Selasky err_free_pool: 1625dc7e38acSHans Petter Selasky return err; 1626dc7e38acSHans Petter Selasky } 1627dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init); 1628dc7e38acSHans Petter Selasky 1629dc7e38acSHans Petter Selasky void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) 1630dc7e38acSHans Petter Selasky { 1631dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1632dc7e38acSHans Petter Selasky 1633dc7e38acSHans Petter Selasky clean_debug_files(dev); 16348d1eeedbSHans Petter Selasky flush_workqueue(dev->priv.health.wq_cmd); 1635dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1636dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1637dc7e38acSHans Petter Selasky } 1638dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup); 1639118063fbSHans Petter Selasky 1640118063fbSHans Petter Selasky int mlx5_cmd_query_cong_counter(struct mlx5_core_dev *dev, 1641118063fbSHans Petter Selasky bool reset, void *out, int out_size) 1642118063fbSHans Petter Selasky { 1643118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_statistics_in)] = { }; 1644118063fbSHans Petter Selasky 1645118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, opcode, 1646118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_STATISTICS); 1647118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, clear, reset); 1648118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1649118063fbSHans Petter Selasky } 1650118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_counter); 1651118063fbSHans Petter Selasky 1652118063fbSHans Petter Selasky int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, 1653118063fbSHans Petter Selasky void *out, int out_size) 1654118063fbSHans Petter Selasky { 1655118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = { }; 1656118063fbSHans Petter Selasky 1657118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, opcode, 1658118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_PARAMS); 1659118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point); 1660118063fbSHans Petter Selasky 1661118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1662118063fbSHans Petter Selasky } 1663118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_params); 1664118063fbSHans Petter Selasky 1665118063fbSHans Petter Selasky int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev, 1666118063fbSHans Petter Selasky void *in, int in_size) 1667118063fbSHans Petter Selasky { 1668118063fbSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(modify_cong_params_out)] = { }; 1669118063fbSHans Petter Selasky 1670118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); 1671118063fbSHans Petter Selasky } 1672118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_modify_cong_params); 16738abf5ac0SHans Petter Selasky 16748abf5ac0SHans Petter Selasky int mlx5_cmd_query_cong_status(struct mlx5_core_dev *dev, int cong_point, 16758abf5ac0SHans Petter Selasky int prio, void *out, int out_size) 16768abf5ac0SHans Petter Selasky { 16778abf5ac0SHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_status_in)] = { }; 16788abf5ac0SHans Petter Selasky 16798abf5ac0SHans Petter Selasky MLX5_SET(query_cong_status_in, in, opcode, 16808abf5ac0SHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_STATUS); 16818abf5ac0SHans Petter Selasky MLX5_SET(query_cong_status_in, in, priority, prio); 16828abf5ac0SHans Petter Selasky MLX5_SET(query_cong_status_in, in, cong_protocol, cong_point); 16838abf5ac0SHans Petter Selasky 16848abf5ac0SHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 16858abf5ac0SHans Petter Selasky } 16868abf5ac0SHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_status); 16878abf5ac0SHans Petter Selasky 16888abf5ac0SHans Petter Selasky int mlx5_cmd_modify_cong_status(struct mlx5_core_dev *dev, 16898abf5ac0SHans Petter Selasky void *in, int in_size) 16908abf5ac0SHans Petter Selasky { 16918abf5ac0SHans Petter Selasky u32 out[MLX5_ST_SZ_DW(modify_cong_status_out)] = { }; 16928abf5ac0SHans Petter Selasky 16938abf5ac0SHans Petter Selasky return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); 16948abf5ac0SHans Petter Selasky } 16958abf5ac0SHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_modify_cong_status); 1696