1dc7e38acSHans Petter Selasky /*- 21c807f67SHans Petter Selasky * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved. 3dc7e38acSHans Petter Selasky * 4dc7e38acSHans Petter Selasky * Redistribution and use in source and binary forms, with or without 5dc7e38acSHans Petter Selasky * modification, are permitted provided that the following conditions 6dc7e38acSHans Petter Selasky * are met: 7dc7e38acSHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 8dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer. 9dc7e38acSHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 10dc7e38acSHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 11dc7e38acSHans Petter Selasky * documentation and/or other materials provided with the distribution. 12dc7e38acSHans Petter Selasky * 13dc7e38acSHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14dc7e38acSHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15dc7e38acSHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16dc7e38acSHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17dc7e38acSHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18dc7e38acSHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19dc7e38acSHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20dc7e38acSHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21dc7e38acSHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22dc7e38acSHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23dc7e38acSHans Petter Selasky * SUCH DAMAGE. 24dc7e38acSHans Petter Selasky * 25dc7e38acSHans Petter Selasky * $FreeBSD$ 26dc7e38acSHans Petter Selasky */ 27dc7e38acSHans Petter Selasky 28dc7e38acSHans Petter Selasky #include <linux/module.h> 29dc7e38acSHans Petter Selasky #include <linux/errno.h> 30dc7e38acSHans Petter Selasky #include <linux/pci.h> 31dc7e38acSHans Petter Selasky #include <linux/dma-mapping.h> 32dc7e38acSHans Petter Selasky #include <linux/slab.h> 33dc7e38acSHans Petter Selasky #include <linux/delay.h> 34dc7e38acSHans Petter Selasky #include <linux/random.h> 35dc7e38acSHans Petter Selasky #include <linux/io-mapping.h> 36dc7e38acSHans Petter Selasky #include <linux/hardirq.h> 37dc7e38acSHans Petter Selasky #include <linux/ktime.h> 38dc7e38acSHans Petter Selasky #include <dev/mlx5/driver.h> 39118063fbSHans Petter Selasky #include <dev/mlx5/cmd.h> 40dc7e38acSHans Petter Selasky 41dc7e38acSHans Petter Selasky #include "mlx5_core.h" 42dc7e38acSHans Petter Selasky 438e7e0ce1SHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size); 448e7e0ce1SHans Petter Selasky static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, 458e7e0ce1SHans Petter Selasky struct mlx5_cmd_msg *msg); 468e7e0ce1SHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); 478e7e0ce1SHans Petter Selasky 48dc7e38acSHans Petter Selasky enum { 49dc7e38acSHans Petter Selasky CMD_IF_REV = 5, 50dc7e38acSHans Petter Selasky }; 51dc7e38acSHans Petter Selasky 52dc7e38acSHans Petter Selasky enum { 53dc7e38acSHans Petter Selasky NUM_LONG_LISTS = 2, 54dc7e38acSHans Petter Selasky NUM_MED_LISTS = 64, 55dc7e38acSHans Petter Selasky LONG_LIST_SIZE = (2ULL * 1024 * 1024 * 1024 / PAGE_SIZE) * 8 + 16 + 56dc7e38acSHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, 57dc7e38acSHans Petter Selasky MED_LIST_SIZE = 16 + MLX5_CMD_DATA_BLOCK_SIZE, 58dc7e38acSHans Petter Selasky }; 59dc7e38acSHans Petter Selasky 60dc7e38acSHans Petter Selasky enum { 61dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OK = 0x0, 62dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR = 0x1, 63dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_TOK_ERR = 0x2, 64dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR = 0x3, 65dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR = 0x4, 66dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR = 0x5, 67dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_FW_ERR = 0x6, 68dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR = 0x7, 69dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR = 0x8, 70dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR = 0x9, 71dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR = 0x10, 72dc7e38acSHans Petter Selasky }; 73dc7e38acSHans Petter Selasky 74788333d9SHans Petter Selasky struct mlx5_ifc_mbox_out_bits { 75788333d9SHans Petter Selasky u8 status[0x8]; 76788333d9SHans Petter Selasky u8 reserved_at_8[0x18]; 77788333d9SHans Petter Selasky 78788333d9SHans Petter Selasky u8 syndrome[0x20]; 79788333d9SHans Petter Selasky 80788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 81788333d9SHans Petter Selasky }; 82788333d9SHans Petter Selasky 83788333d9SHans Petter Selasky struct mlx5_ifc_mbox_in_bits { 84788333d9SHans Petter Selasky u8 opcode[0x10]; 85788333d9SHans Petter Selasky u8 reserved_at_10[0x10]; 86788333d9SHans Petter Selasky 87788333d9SHans Petter Selasky u8 reserved_at_20[0x10]; 88788333d9SHans Petter Selasky u8 op_mod[0x10]; 89788333d9SHans Petter Selasky 90788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 91788333d9SHans Petter Selasky }; 92788333d9SHans Petter Selasky 93788333d9SHans Petter Selasky 94dc7e38acSHans Petter Selasky static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, 95dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *in, 961c807f67SHans Petter Selasky int uin_size, 97dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, 98dc7e38acSHans Petter Selasky void *uout, int uout_size, 99dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t cbk, 100dc7e38acSHans Petter Selasky void *context, int page_queue) 101dc7e38acSHans Petter Selasky { 102dc7e38acSHans Petter Selasky gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; 103dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 104dc7e38acSHans Petter Selasky 105dc7e38acSHans Petter Selasky ent = kzalloc(sizeof(*ent), alloc_flags); 106dc7e38acSHans Petter Selasky if (!ent) 107dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 108dc7e38acSHans Petter Selasky 109dc7e38acSHans Petter Selasky ent->in = in; 1101c807f67SHans Petter Selasky ent->uin_size = uin_size; 111dc7e38acSHans Petter Selasky ent->out = out; 112dc7e38acSHans Petter Selasky ent->uout = uout; 113dc7e38acSHans Petter Selasky ent->uout_size = uout_size; 114dc7e38acSHans Petter Selasky ent->callback = cbk; 115dc7e38acSHans Petter Selasky ent->context = context; 116dc7e38acSHans Petter Selasky ent->cmd = cmd; 117dc7e38acSHans Petter Selasky ent->page_queue = page_queue; 118dc7e38acSHans Petter Selasky 119dc7e38acSHans Petter Selasky return ent; 120dc7e38acSHans Petter Selasky } 121dc7e38acSHans Petter Selasky 122dc7e38acSHans Petter Selasky static u8 alloc_token(struct mlx5_cmd *cmd) 123dc7e38acSHans Petter Selasky { 124dc7e38acSHans Petter Selasky u8 token; 125dc7e38acSHans Petter Selasky 126dc7e38acSHans Petter Selasky spin_lock(&cmd->token_lock); 127dc7e38acSHans Petter Selasky cmd->token++; 128dc7e38acSHans Petter Selasky if (cmd->token == 0) 129dc7e38acSHans Petter Selasky cmd->token++; 130dc7e38acSHans Petter Selasky token = cmd->token; 131dc7e38acSHans Petter Selasky spin_unlock(&cmd->token_lock); 132dc7e38acSHans Petter Selasky 133dc7e38acSHans Petter Selasky return token; 134dc7e38acSHans Petter Selasky } 135dc7e38acSHans Petter Selasky 1368e7e0ce1SHans Petter Selasky static int alloc_ent(struct mlx5_cmd_work_ent *ent) 137dc7e38acSHans Petter Selasky { 138dc7e38acSHans Petter Selasky unsigned long flags; 1398e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 14030dfc051SHans Petter Selasky struct mlx5_core_dev *dev = 14130dfc051SHans Petter Selasky container_of(cmd, struct mlx5_core_dev, cmd); 1428e7e0ce1SHans Petter Selasky int ret = cmd->max_reg_cmds; 143dc7e38acSHans Petter Selasky 144dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 1458e7e0ce1SHans Petter Selasky if (!ent->page_queue) { 146dc7e38acSHans Petter Selasky ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds); 1478e7e0ce1SHans Petter Selasky if (ret >= cmd->max_reg_cmds) 1488e7e0ce1SHans Petter Selasky ret = -1; 1498e7e0ce1SHans Petter Selasky } 1508e7e0ce1SHans Petter Selasky 15130dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) 15230dfc051SHans Petter Selasky ret = -1; 15330dfc051SHans Petter Selasky 1548e7e0ce1SHans Petter Selasky if (ret != -1) { 15530dfc051SHans Petter Selasky ent->busy = 1; 1568e7e0ce1SHans Petter Selasky ent->idx = ret; 1578e7e0ce1SHans Petter Selasky clear_bit(ent->idx, &cmd->bitmask); 158721a1a6aSSlava Shwartsman cmd->ent_mode[ent->idx] = 159721a1a6aSSlava Shwartsman ent->polling ? MLX5_CMD_MODE_POLLING : MLX5_CMD_MODE_EVENTS; 1608e7e0ce1SHans Petter Selasky cmd->ent_arr[ent->idx] = ent; 1618e7e0ce1SHans Petter Selasky } 162dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 163dc7e38acSHans Petter Selasky 1648e7e0ce1SHans Petter Selasky return ret; 165dc7e38acSHans Petter Selasky } 166dc7e38acSHans Petter Selasky 167dc7e38acSHans Petter Selasky static void free_ent(struct mlx5_cmd *cmd, int idx) 168dc7e38acSHans Petter Selasky { 169dc7e38acSHans Petter Selasky unsigned long flags; 170dc7e38acSHans Petter Selasky 171dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 172721a1a6aSSlava Shwartsman cmd->ent_arr[idx] = NULL; /* safety clear */ 173721a1a6aSSlava Shwartsman cmd->ent_mode[idx] = MLX5_CMD_MODE_POLLING; /* reset mode */ 174dc7e38acSHans Petter Selasky set_bit(idx, &cmd->bitmask); 175dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 176dc7e38acSHans Petter Selasky } 177dc7e38acSHans Petter Selasky 178dc7e38acSHans Petter Selasky static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) 179dc7e38acSHans Petter Selasky { 180dc7e38acSHans Petter Selasky return cmd->cmd_buf + (idx << cmd->log_stride); 181dc7e38acSHans Petter Selasky } 182dc7e38acSHans Petter Selasky 183dc7e38acSHans Petter Selasky static u8 xor8_buf(void *buf, int len) 184dc7e38acSHans Petter Selasky { 185dc7e38acSHans Petter Selasky u8 *ptr = buf; 186dc7e38acSHans Petter Selasky u8 sum = 0; 187dc7e38acSHans Petter Selasky int i; 188dc7e38acSHans Petter Selasky 189dc7e38acSHans Petter Selasky for (i = 0; i < len; i++) 190dc7e38acSHans Petter Selasky sum ^= ptr[i]; 191dc7e38acSHans Petter Selasky 192dc7e38acSHans Petter Selasky return sum; 193dc7e38acSHans Petter Selasky } 194dc7e38acSHans Petter Selasky 195dc7e38acSHans Petter Selasky static int verify_block_sig(struct mlx5_cmd_prot_block *block) 196dc7e38acSHans Petter Selasky { 197dc7e38acSHans Petter Selasky if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) 198dc7e38acSHans Petter Selasky return -EINVAL; 199dc7e38acSHans Petter Selasky 200dc7e38acSHans Petter Selasky if (xor8_buf(block, sizeof(*block)) != 0xff) 201dc7e38acSHans Petter Selasky return -EINVAL; 202dc7e38acSHans Petter Selasky 203dc7e38acSHans Petter Selasky return 0; 204dc7e38acSHans Petter Selasky } 205dc7e38acSHans Petter Selasky 206dc7e38acSHans Petter Selasky static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, 207dc7e38acSHans Petter Selasky int csum) 208dc7e38acSHans Petter Selasky { 209dc7e38acSHans Petter Selasky block->token = token; 210dc7e38acSHans Petter Selasky if (csum) { 211dc7e38acSHans Petter Selasky block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - 212dc7e38acSHans Petter Selasky sizeof(block->data) - 2); 213dc7e38acSHans Petter Selasky block->sig = ~xor8_buf(block, sizeof(*block) - 1); 214dc7e38acSHans Petter Selasky } 215dc7e38acSHans Petter Selasky } 216dc7e38acSHans Petter Selasky 2171c807f67SHans Petter Selasky static void 2181c807f67SHans Petter Selasky calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) 219dc7e38acSHans Petter Selasky { 2201c807f67SHans Petter Selasky size_t i; 221dc7e38acSHans Petter Selasky 2221c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2231c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 2241c807f67SHans Petter Selasky 2251c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2261c807f67SHans Petter Selasky 2271c807f67SHans Petter Selasky /* compute signature */ 2281c807f67SHans Petter Selasky calc_block_sig(block, token, csum); 2291c807f67SHans Petter Selasky 2301c807f67SHans Petter Selasky /* check for last block */ 2311c807f67SHans Petter Selasky if (block->next == 0) 2321c807f67SHans Petter Selasky break; 233dc7e38acSHans Petter Selasky } 2341c807f67SHans Petter Selasky 2351c807f67SHans Petter Selasky /* make sure data gets written to RAM */ 2361c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 237dc7e38acSHans Petter Selasky } 238dc7e38acSHans Petter Selasky 239dc7e38acSHans Petter Selasky static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) 240dc7e38acSHans Petter Selasky { 241dc7e38acSHans Petter Selasky ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); 242dc7e38acSHans Petter Selasky calc_chain_sig(ent->in, ent->token, csum); 243dc7e38acSHans Petter Selasky calc_chain_sig(ent->out, ent->token, csum); 244dc7e38acSHans Petter Selasky } 245dc7e38acSHans Petter Selasky 246dc7e38acSHans Petter Selasky static void poll_timeout(struct mlx5_cmd_work_ent *ent) 247dc7e38acSHans Petter Selasky { 24830dfc051SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, 24930dfc051SHans Petter Selasky struct mlx5_core_dev, cmd); 25030dfc051SHans Petter Selasky int poll_end = jiffies + 25130dfc051SHans Petter Selasky msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC + 1000); 252dc7e38acSHans Petter Selasky u8 own; 253dc7e38acSHans Petter Selasky 254dc7e38acSHans Petter Selasky do { 255dc7e38acSHans Petter Selasky own = ent->lay->status_own; 25630dfc051SHans Petter Selasky if (!(own & CMD_OWNER_HW) || 25730dfc051SHans Petter Selasky dev->state != MLX5_DEVICE_STATE_UP) { 258dc7e38acSHans Petter Selasky ent->ret = 0; 259dc7e38acSHans Petter Selasky return; 260dc7e38acSHans Petter Selasky } 261dc7e38acSHans Petter Selasky usleep_range(5000, 10000); 262dc7e38acSHans Petter Selasky } while (time_before(jiffies, poll_end)); 263dc7e38acSHans Petter Selasky 264dc7e38acSHans Petter Selasky ent->ret = -ETIMEDOUT; 265dc7e38acSHans Petter Selasky } 266dc7e38acSHans Petter Selasky 267dc7e38acSHans Petter Selasky static void free_cmd(struct mlx5_cmd_work_ent *ent) 268dc7e38acSHans Petter Selasky { 26911546d06SHans Petter Selasky cancel_delayed_work_sync(&ent->cb_timeout_work); 270dc7e38acSHans Petter Selasky kfree(ent); 271dc7e38acSHans Petter Selasky } 272dc7e38acSHans Petter Selasky 2731c807f67SHans Petter Selasky static int 2741c807f67SHans Petter Selasky verify_signature(struct mlx5_cmd_work_ent *ent) 275dc7e38acSHans Petter Selasky { 2761c807f67SHans Petter Selasky struct mlx5_cmd_msg *msg = ent->out; 2771c807f67SHans Petter Selasky size_t i; 278dc7e38acSHans Petter Selasky int err; 279dc7e38acSHans Petter Selasky u8 sig; 280dc7e38acSHans Petter Selasky 281dc7e38acSHans Petter Selasky sig = xor8_buf(ent->lay, sizeof(*ent->lay)); 282dc7e38acSHans Petter Selasky if (sig != 0xff) 283dc7e38acSHans Petter Selasky return -EINVAL; 284dc7e38acSHans Petter Selasky 2851c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2861c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 287dc7e38acSHans Petter Selasky 2881c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2891c807f67SHans Petter Selasky 2901c807f67SHans Petter Selasky /* compute signature */ 2911c807f67SHans Petter Selasky err = verify_block_sig(block); 2921c807f67SHans Petter Selasky if (err != 0) 2931c807f67SHans Petter Selasky return (err); 2941c807f67SHans Petter Selasky 2951c807f67SHans Petter Selasky /* check for last block */ 2961c807f67SHans Petter Selasky if (block->next == 0) 2971c807f67SHans Petter Selasky break; 298dc7e38acSHans Petter Selasky } 2991c807f67SHans Petter Selasky return (0); 300dc7e38acSHans Petter Selasky } 301dc7e38acSHans Petter Selasky 302dc7e38acSHans Petter Selasky static void dump_buf(void *buf, int size, int data_only, int offset) 303dc7e38acSHans Petter Selasky { 304dc7e38acSHans Petter Selasky __be32 *p = buf; 305dc7e38acSHans Petter Selasky int i; 306dc7e38acSHans Petter Selasky 307dc7e38acSHans Petter Selasky for (i = 0; i < size; i += 16) { 308dc7e38acSHans Petter Selasky pr_debug("%03x: %08x %08x %08x %08x\n", offset, be32_to_cpu(p[0]), 309dc7e38acSHans Petter Selasky be32_to_cpu(p[1]), be32_to_cpu(p[2]), 310dc7e38acSHans Petter Selasky be32_to_cpu(p[3])); 311dc7e38acSHans Petter Selasky p += 4; 312dc7e38acSHans Petter Selasky offset += 16; 313dc7e38acSHans Petter Selasky } 314dc7e38acSHans Petter Selasky if (!data_only) 315dc7e38acSHans Petter Selasky pr_debug("\n"); 316dc7e38acSHans Petter Selasky } 317dc7e38acSHans Petter Selasky 318a2485fe5SHans Petter Selasky enum { 319a2485fe5SHans Petter Selasky MLX5_DRIVER_STATUS_ABORTED = 0xfe, 320a2485fe5SHans Petter Selasky MLX5_DRIVER_SYND = 0xbadd00de, 321a2485fe5SHans Petter Selasky }; 322a2485fe5SHans Petter Selasky 323a2485fe5SHans Petter Selasky static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, 324a2485fe5SHans Petter Selasky u32 *synd, u8 *status) 325a2485fe5SHans Petter Selasky { 326a2485fe5SHans Petter Selasky *synd = 0; 327a2485fe5SHans Petter Selasky *status = 0; 328a2485fe5SHans Petter Selasky 329a2485fe5SHans Petter Selasky switch (op) { 330a2485fe5SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 331a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 332a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 333a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 334a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 335a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 336a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 337a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 338a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 339a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 340a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 341a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 342a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 343a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 344a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 345a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 346a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 347a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 348a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 349a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 350a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 351a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 352a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 353a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 354a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 355a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 356a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 357a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 358a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 359a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 360a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 361a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 362a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 363a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 364a2485fe5SHans Petter Selasky return MLX5_CMD_STAT_OK; 365a2485fe5SHans Petter Selasky 366a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 367a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 368a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 369a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 370a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 371a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 372a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 373a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 374a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 375a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 376a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 377a2485fe5SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 378a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 379a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 380a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 381a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 382a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 383a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 384a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 385a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 386a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 387a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 388a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 389a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 390a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 391a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 392a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 393a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 394a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 395a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 396a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 397a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 398a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 399a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 400a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 401a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 402a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 403a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 404a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 405a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 406a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 407a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 408a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 409a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 410a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 411a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 412a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 413a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 414a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 415a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 416a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 417a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 418a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 419a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 420a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 421a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 422a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 423a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 424a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 425a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 426a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 427a2485fe5SHans Petter Selasky case MLX5_CMD_OP_NOP: 428a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 429a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 430a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 431a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 432a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 433a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 434a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 435a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 436a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 437a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 438a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 439a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 440a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 441a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 442a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 443a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 444a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 445a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 446a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 447a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 448a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 449a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 450a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 451a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 452a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 453a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 454a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 455a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 456a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 457a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 458a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 459a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 460a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 461a2485fe5SHans Petter Selasky *status = MLX5_DRIVER_STATUS_ABORTED; 462a2485fe5SHans Petter Selasky *synd = MLX5_DRIVER_SYND; 463a2485fe5SHans Petter Selasky return -EIO; 464a2485fe5SHans Petter Selasky default: 465a2485fe5SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", op); 466a2485fe5SHans Petter Selasky return -EINVAL; 467a2485fe5SHans Petter Selasky } 468a2485fe5SHans Petter Selasky } 469a2485fe5SHans Petter Selasky 470dc7e38acSHans Petter Selasky const char *mlx5_command_str(int command) 471dc7e38acSHans Petter Selasky { 472ee1b5c58SHans Petter Selasky #define MLX5_COMMAND_STR_CASE(__cmd) case MLX5_CMD_OP_ ## __cmd: return #__cmd 473ee1b5c58SHans Petter Selasky 474dc7e38acSHans Petter Selasky switch (command) { 475ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_CAP); 476ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_HCA_CAP); 477ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ADAPTER); 478ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT_HCA); 479ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(TEARDOWN_HCA); 480ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ENABLE_HCA); 481ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DISABLE_HCA); 482ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_PAGES); 483ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MANAGE_PAGES); 484ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ISSI); 485ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ISSI); 486ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_MKEY); 487ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MKEY); 488ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_MKEY); 489ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SPECIAL_CONTEXTS); 490ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(PAGE_FAULT_RESUME); 491ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_EQ); 492ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_EQ); 493ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_EQ); 494ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GEN_EQE); 495ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_CQ); 496ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_CQ); 497ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CQ); 498ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CQ); 499ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_QP); 500ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_QP); 501ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RST2INIT_QP); 502ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2RTR_QP); 503ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTR2RTS_QP); 504ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTS2RTS_QP); 505ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQERR2RTS_QP); 506ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2ERR_QP); 507ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2RST_QP); 508ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_QP); 509ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQD_RTS_QP); 510ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MAD_IFC); 511ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2INIT_QP); 512ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_PSV); 513ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_PSV); 514ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SRQ); 515ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SRQ); 516ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SRQ); 517ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_RQ); 518ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_XRC_SRQ); 519ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_XRC_SRQ); 520ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_XRC_SRQ); 521ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_XRC_SRQ); 522ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_DCT); 523ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DC_CNAK_TRACE); 524ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_DCT); 525ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DRAIN_DCT); 526ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DCT); 527ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_DCT_FOR_KEY_VIOLATION); 528ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_STATE); 529ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_VPORT_STATE); 530ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ESW_VPORT_CONTEXT); 531ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_ESW_VPORT_CONTEXT); 532ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_NIC_VPORT_CONTEXT); 533ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_NIC_VPORT_CONTEXT); 534ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ROCE_ADDRESS); 535ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ROCE_ADDRESS); 536ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_CONTEXT); 537ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_HCA_VPORT_CONTEXT); 538ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_GID); 539ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_PKEY); 540ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_COUNTER); 541ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_WOL_ROL); 542ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_WOL_ROL); 543ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER); 544ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER); 545ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER); 546ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_PD); 547ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_PD); 548ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_UAR); 549ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_UAR); 550ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CONFIG_INT_MODERATION); 551ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ATTACH_TO_MCG); 552ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DETACH_FROM_MCG); 553ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GET_DROPPED_PACKET_LOG); 554ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MAD_DEMUX); 555ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_MAD_DEMUX); 556ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(NOP); 557ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_XRCD); 558ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_XRCD); 559ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_TRANSPORT_DOMAIN); 560ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_TRANSPORT_DOMAIN); 561ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATUS); 562ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_STATUS); 563ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_PARAMS); 564ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_PARAMS); 565ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATISTICS); 566ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ADD_VXLAN_UDP_DPORT); 567ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_VXLAN_UDP_DPORT); 568ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_L2_TABLE_ENTRY); 569ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_L2_TABLE_ENTRY); 570ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_L2_TABLE_ENTRY); 571ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RMP); 572ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RMP); 573ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RMP); 574ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RMP); 575ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQT); 576ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQT); 577ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQT); 578ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQT); 579ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ACCESS_REG); 580ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SQ); 581ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_SQ); 582ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SQ); 583ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SQ); 584ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQ); 585ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQ); 586ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQ); 587ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQ); 588ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIR); 589ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIR); 590ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIR); 591ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIR); 592ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIS); 593ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIS); 594ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIS); 595ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIS); 596ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_TABLE); 597ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_TABLE); 598ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE); 599ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_GROUP); 600ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_GROUP); 601ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_GROUP); 602ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_FLOW_TABLE_ENTRY); 603ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE_ENTRY); 604ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_FLOW_TABLE_ENTRY); 605ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DIAGNOSTICS); 606ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DIAGNOSTICS); 607dc7e38acSHans Petter Selasky default: return "unknown command opcode"; 608dc7e38acSHans Petter Selasky } 609dc7e38acSHans Petter Selasky } 610dc7e38acSHans Petter Selasky 611788333d9SHans Petter Selasky static const char *cmd_status_str(u8 status) 612788333d9SHans Petter Selasky { 613788333d9SHans Petter Selasky switch (status) { 614788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: 615788333d9SHans Petter Selasky return "OK"; 616788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: 617788333d9SHans Petter Selasky return "internal error"; 618788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: 619788333d9SHans Petter Selasky return "bad operation"; 620788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: 621788333d9SHans Petter Selasky return "bad parameter"; 622788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: 623788333d9SHans Petter Selasky return "bad system state"; 624788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: 625788333d9SHans Petter Selasky return "bad resource"; 626788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: 627788333d9SHans Petter Selasky return "resource busy"; 628788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: 629788333d9SHans Petter Selasky return "limits exceeded"; 630788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: 631788333d9SHans Petter Selasky return "bad resource state"; 632788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: 633788333d9SHans Petter Selasky return "bad index"; 634788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: 635788333d9SHans Petter Selasky return "no resources"; 636788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: 637788333d9SHans Petter Selasky return "bad input length"; 638788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: 639788333d9SHans Petter Selasky return "bad output length"; 640788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: 641788333d9SHans Petter Selasky return "bad QP state"; 642788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: 643788333d9SHans Petter Selasky return "bad packet (discarded)"; 644788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: 645788333d9SHans Petter Selasky return "bad size too many outstanding CQEs"; 646788333d9SHans Petter Selasky default: 647788333d9SHans Petter Selasky return "unknown status"; 648788333d9SHans Petter Selasky } 649788333d9SHans Petter Selasky } 650788333d9SHans Petter Selasky 651788333d9SHans Petter Selasky static int cmd_status_to_err_helper(u8 status) 652788333d9SHans Petter Selasky { 653788333d9SHans Petter Selasky switch (status) { 654788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: return 0; 655788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: return -EIO; 656788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL; 657788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: return -EINVAL; 658788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; 659788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; 660788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; 661788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; 662788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; 663788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: return -EINVAL; 664788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; 665788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: return -EIO; 666788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: return -EIO; 667788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: return -EINVAL; 668788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: return -EINVAL; 669788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: return -EINVAL; 670788333d9SHans Petter Selasky default: return -EIO; 671788333d9SHans Petter Selasky } 672788333d9SHans Petter Selasky } 673788333d9SHans Petter Selasky 674788333d9SHans Petter Selasky void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome) 675788333d9SHans Petter Selasky { 676788333d9SHans Petter Selasky *status = MLX5_GET(mbox_out, out, status); 677788333d9SHans Petter Selasky *syndrome = MLX5_GET(mbox_out, out, syndrome); 678788333d9SHans Petter Selasky } 679788333d9SHans Petter Selasky 680788333d9SHans Petter Selasky static int mlx5_cmd_check(struct mlx5_core_dev *dev, void *in, void *out) 681788333d9SHans Petter Selasky { 682788333d9SHans Petter Selasky u32 syndrome; 683788333d9SHans Petter Selasky u8 status; 684788333d9SHans Petter Selasky u16 opcode; 685788333d9SHans Petter Selasky u16 op_mod; 686788333d9SHans Petter Selasky 687788333d9SHans Petter Selasky mlx5_cmd_mbox_status(out, &status, &syndrome); 688788333d9SHans Petter Selasky if (!status) 689788333d9SHans Petter Selasky return 0; 690788333d9SHans Petter Selasky 691788333d9SHans Petter Selasky opcode = MLX5_GET(mbox_in, in, opcode); 692788333d9SHans Petter Selasky op_mod = MLX5_GET(mbox_in, in, op_mod); 693788333d9SHans Petter Selasky 694788333d9SHans Petter Selasky mlx5_core_err(dev, 695788333d9SHans Petter Selasky "%s(0x%x) op_mod(0x%x) failed, status %s(0x%x), syndrome (0x%x)\n", 696788333d9SHans Petter Selasky mlx5_command_str(opcode), 697788333d9SHans Petter Selasky opcode, op_mod, 698788333d9SHans Petter Selasky cmd_status_str(status), 699788333d9SHans Petter Selasky status, 700788333d9SHans Petter Selasky syndrome); 701788333d9SHans Petter Selasky 702788333d9SHans Petter Selasky return cmd_status_to_err_helper(status); 703788333d9SHans Petter Selasky } 704788333d9SHans Petter Selasky 705dc7e38acSHans Petter Selasky static void dump_command(struct mlx5_core_dev *dev, 706dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent, int input) 707dc7e38acSHans Petter Selasky { 708dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = input ? ent->in : ent->out; 709788333d9SHans Petter Selasky u16 op = MLX5_GET(mbox_in, ent->lay->in, opcode); 7101c807f67SHans Petter Selasky size_t i; 711dc7e38acSHans Petter Selasky int data_only; 7121c807f67SHans Petter Selasky int offset = 0; 7131c807f67SHans Petter Selasky int msg_len = input ? ent->uin_size : ent->uout_size; 714dc7e38acSHans Petter Selasky int dump_len; 715dc7e38acSHans Petter Selasky 716dc7e38acSHans Petter Selasky data_only = !!(mlx5_core_debug_mask & (1 << MLX5_CMD_DATA)); 717dc7e38acSHans Petter Selasky 718dc7e38acSHans Petter Selasky if (data_only) 719dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_DATA, 720dc7e38acSHans Petter Selasky "dump command data %s(0x%x) %s\n", 721dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 722dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 723dc7e38acSHans Petter Selasky else 724dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "dump command %s(0x%x) %s\n", 725dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 726dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 727dc7e38acSHans Petter Selasky 728dc7e38acSHans Petter Selasky if (data_only) { 729dc7e38acSHans Petter Selasky if (input) { 730dc7e38acSHans Petter Selasky dump_buf(ent->lay->in, sizeof(ent->lay->in), 1, offset); 731dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->in); 732dc7e38acSHans Petter Selasky } else { 733dc7e38acSHans Petter Selasky dump_buf(ent->lay->out, sizeof(ent->lay->out), 1, offset); 734dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->out); 735dc7e38acSHans Petter Selasky } 736dc7e38acSHans Petter Selasky } else { 737dc7e38acSHans Petter Selasky dump_buf(ent->lay, sizeof(*ent->lay), 0, offset); 738dc7e38acSHans Petter Selasky offset += sizeof(*ent->lay); 739dc7e38acSHans Petter Selasky } 740dc7e38acSHans Petter Selasky 7411c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 7421c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 7431c807f67SHans Petter Selasky 7441c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 7451c807f67SHans Petter Selasky 746dc7e38acSHans Petter Selasky if (data_only) { 7471c807f67SHans Petter Selasky if (offset >= msg_len) 7481c807f67SHans Petter Selasky break; 7491c807f67SHans Petter Selasky dump_len = min_t(int, 7501c807f67SHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, msg_len - offset); 7511c807f67SHans Petter Selasky 7521c807f67SHans Petter Selasky dump_buf(block->data, dump_len, 1, offset); 753dc7e38acSHans Petter Selasky offset += MLX5_CMD_DATA_BLOCK_SIZE; 754dc7e38acSHans Petter Selasky } else { 755dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "command block:\n"); 7561c807f67SHans Petter Selasky dump_buf(block, sizeof(*block), 0, offset); 7571c807f67SHans Petter Selasky offset += sizeof(*block); 758dc7e38acSHans Petter Selasky } 7591c807f67SHans Petter Selasky 7601c807f67SHans Petter Selasky /* check for last block */ 7611c807f67SHans Petter Selasky if (block->next == 0) 7621c807f67SHans Petter Selasky break; 763dc7e38acSHans Petter Selasky } 764dc7e38acSHans Petter Selasky 765dc7e38acSHans Petter Selasky if (data_only) 766dc7e38acSHans Petter Selasky pr_debug("\n"); 767dc7e38acSHans Petter Selasky } 768dc7e38acSHans Petter Selasky 76911546d06SHans Petter Selasky static u16 msg_to_opcode(struct mlx5_cmd_msg *in) 77011546d06SHans Petter Selasky { 771788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in->first.data, opcode); 77211546d06SHans Petter Selasky } 77311546d06SHans Petter Selasky 77411546d06SHans Petter Selasky static void cb_timeout_handler(struct work_struct *work) 77511546d06SHans Petter Selasky { 77611546d06SHans Petter Selasky struct delayed_work *dwork = container_of(work, struct delayed_work, 77711546d06SHans Petter Selasky work); 77811546d06SHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(dwork, 77911546d06SHans Petter Selasky struct mlx5_cmd_work_ent, 78011546d06SHans Petter Selasky cb_timeout_work); 78111546d06SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, 78211546d06SHans Petter Selasky cmd); 78311546d06SHans Petter Selasky 78411546d06SHans Petter Selasky ent->ret = -ETIMEDOUT; 78511546d06SHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 78611546d06SHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 78711546d06SHans Petter Selasky msg_to_opcode(ent->in)); 788721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1UL << ent->idx, MLX5_CMD_MODE_EVENTS); 78911546d06SHans Petter Selasky } 79011546d06SHans Petter Selasky 7918e7e0ce1SHans Petter Selasky static void complete_command(struct mlx5_cmd_work_ent *ent) 7928e7e0ce1SHans Petter Selasky { 7938e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 7948e7e0ce1SHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, 7958e7e0ce1SHans Petter Selasky cmd); 796f361e561SHans Petter Selasky mlx5_cmd_cbk_t callback; 797f361e561SHans Petter Selasky void *context; 798f361e561SHans Petter Selasky 7998e7e0ce1SHans Petter Selasky s64 ds; 8008e7e0ce1SHans Petter Selasky struct mlx5_cmd_stats *stats; 8018e7e0ce1SHans Petter Selasky unsigned long flags; 8028e7e0ce1SHans Petter Selasky int err; 8038e7e0ce1SHans Petter Selasky struct semaphore *sem; 8048e7e0ce1SHans Petter Selasky 8058e7e0ce1SHans Petter Selasky if (ent->page_queue) 8068e7e0ce1SHans Petter Selasky sem = &cmd->pages_sem; 8078e7e0ce1SHans Petter Selasky else 8088e7e0ce1SHans Petter Selasky sem = &cmd->sem; 8098e7e0ce1SHans Petter Selasky 81030dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) { 811788333d9SHans Petter Selasky u8 status = 0; 812788333d9SHans Petter Selasky u32 drv_synd; 81330dfc051SHans Petter Selasky 814788333d9SHans Petter Selasky ent->ret = mlx5_internal_err_ret_value(dev, msg_to_opcode(ent->in), &drv_synd, &status); 815788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, status, status); 816788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); 81730dfc051SHans Petter Selasky } 81830dfc051SHans Petter Selasky 8198e7e0ce1SHans Petter Selasky if (ent->callback) { 8208e7e0ce1SHans Petter Selasky ds = ent->ts2 - ent->ts1; 8218e7e0ce1SHans Petter Selasky if (ent->op < ARRAY_SIZE(cmd->stats)) { 8228e7e0ce1SHans Petter Selasky stats = &cmd->stats[ent->op]; 8238e7e0ce1SHans Petter Selasky spin_lock_irqsave(&stats->lock, flags); 8248e7e0ce1SHans Petter Selasky stats->sum += ds; 8258e7e0ce1SHans Petter Selasky ++stats->n; 8268e7e0ce1SHans Petter Selasky spin_unlock_irqrestore(&stats->lock, flags); 8278e7e0ce1SHans Petter Selasky } 8288e7e0ce1SHans Petter Selasky 829f361e561SHans Petter Selasky callback = ent->callback; 830f361e561SHans Petter Selasky context = ent->context; 8318e7e0ce1SHans Petter Selasky err = ent->ret; 832788333d9SHans Petter Selasky if (!err) { 8338e7e0ce1SHans Petter Selasky err = mlx5_copy_from_msg(ent->uout, 8348e7e0ce1SHans Petter Selasky ent->out, 8358e7e0ce1SHans Petter Selasky ent->uout_size); 836788333d9SHans Petter Selasky err = err ? err : mlx5_cmd_check(dev, 837788333d9SHans Petter Selasky ent->in->first.data, 838788333d9SHans Petter Selasky ent->uout); 839788333d9SHans Petter Selasky } 8408e7e0ce1SHans Petter Selasky 8418e7e0ce1SHans Petter Selasky mlx5_free_cmd_msg(dev, ent->out); 8428e7e0ce1SHans Petter Selasky free_msg(dev, ent->in); 8438e7e0ce1SHans Petter Selasky 844a2485fe5SHans Petter Selasky err = err ? err : ent->status; 8458e7e0ce1SHans Petter Selasky free_cmd(ent); 846f361e561SHans Petter Selasky callback(err, context); 8478e7e0ce1SHans Petter Selasky } else { 8488e7e0ce1SHans Petter Selasky complete(&ent->done); 8498e7e0ce1SHans Petter Selasky } 8508e7e0ce1SHans Petter Selasky up(sem); 8518e7e0ce1SHans Petter Selasky } 8528e7e0ce1SHans Petter Selasky 853dc7e38acSHans Petter Selasky static void cmd_work_handler(struct work_struct *work) 854dc7e38acSHans Petter Selasky { 855dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); 856dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 857dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); 85811546d06SHans Petter Selasky unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 859dc7e38acSHans Petter Selasky struct mlx5_cmd_layout *lay; 860dc7e38acSHans Petter Selasky struct semaphore *sem; 861c0902569SHans Petter Selasky bool poll_cmd = ent->polling; 862dc7e38acSHans Petter Selasky 863dc7e38acSHans Petter Selasky sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; 864dc7e38acSHans Petter Selasky down(sem); 8658e7e0ce1SHans Petter Selasky 8668e7e0ce1SHans Petter Selasky if (alloc_ent(ent) < 0) { 8678e7e0ce1SHans Petter Selasky complete_command(ent); 868dc7e38acSHans Petter Selasky return; 869dc7e38acSHans Petter Selasky } 870dc7e38acSHans Petter Selasky 871dc7e38acSHans Petter Selasky ent->token = alloc_token(cmd); 872dc7e38acSHans Petter Selasky lay = get_inst(cmd, ent->idx); 873dc7e38acSHans Petter Selasky ent->lay = lay; 874dc7e38acSHans Petter Selasky memset(lay, 0, sizeof(*lay)); 875dc7e38acSHans Petter Selasky memcpy(lay->in, ent->in->first.data, sizeof(lay->in)); 876dc7e38acSHans Petter Selasky ent->op = be32_to_cpu(lay->in[0]) >> 16; 8771c807f67SHans Petter Selasky if (ent->in->numpages != 0) 8781c807f67SHans Petter Selasky lay->in_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->in, 0)); 8791c807f67SHans Petter Selasky if (ent->out->numpages != 0) 8801c807f67SHans Petter Selasky lay->out_ptr = cpu_to_be64(mlx5_fwp_get_dma(ent->out, 0)); 8811c807f67SHans Petter Selasky lay->inlen = cpu_to_be32(ent->uin_size); 8821c807f67SHans Petter Selasky lay->outlen = cpu_to_be32(ent->uout_size); 883dc7e38acSHans Petter Selasky lay->type = MLX5_PCI_CMD_XPORT; 884dc7e38acSHans Petter Selasky lay->token = ent->token; 885dc7e38acSHans Petter Selasky lay->status_own = CMD_OWNER_HW; 886dc7e38acSHans Petter Selasky set_signature(ent, !cmd->checksum_disabled); 887dc7e38acSHans Petter Selasky dump_command(dev, ent, 1); 888dc7e38acSHans Petter Selasky ent->ts1 = ktime_get_ns(); 88930dfc051SHans Petter Selasky ent->busy = 0; 89011546d06SHans Petter Selasky if (ent->callback) 89111546d06SHans Petter Selasky schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); 89211546d06SHans Petter Selasky 893dc7e38acSHans Petter Selasky /* ring doorbell after the descriptor is valid */ 894dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); 8951c807f67SHans Petter Selasky /* make sure data is written to RAM */ 8961c807f67SHans Petter Selasky mlx5_fwp_flush(cmd->cmd_page); 897dc7e38acSHans Petter Selasky iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell); 898dc7e38acSHans Petter Selasky mmiowb(); 899721a1a6aSSlava Shwartsman 900dc7e38acSHans Petter Selasky /* if not in polling don't use ent after this point */ 901721a1a6aSSlava Shwartsman if (poll_cmd) { 902dc7e38acSHans Petter Selasky poll_timeout(ent); 903dc7e38acSHans Petter Selasky /* make sure we read the descriptor after ownership is SW */ 904721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1U << ent->idx, MLX5_CMD_MODE_POLLING); 905dc7e38acSHans Petter Selasky } 906dc7e38acSHans Petter Selasky } 907dc7e38acSHans Petter Selasky 908dc7e38acSHans Petter Selasky static const char *deliv_status_to_str(u8 status) 909dc7e38acSHans Petter Selasky { 910dc7e38acSHans Petter Selasky switch (status) { 911dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OK: 912dc7e38acSHans Petter Selasky return "no errors"; 913dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR: 914dc7e38acSHans Petter Selasky return "signature error"; 915dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_TOK_ERR: 916dc7e38acSHans Petter Selasky return "token error"; 917dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR: 918dc7e38acSHans Petter Selasky return "bad block number"; 919dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR: 920dc7e38acSHans Petter Selasky return "output pointer not aligned to block size"; 921dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR: 922dc7e38acSHans Petter Selasky return "input pointer not aligned to block size"; 923dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_FW_ERR: 924dc7e38acSHans Petter Selasky return "firmware internal error"; 925dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR: 926dc7e38acSHans Petter Selasky return "command input length error"; 927dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR: 928dc7e38acSHans Petter Selasky return "command ouput length error"; 929dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR: 930dc7e38acSHans Petter Selasky return "reserved fields not cleared"; 931dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR: 932dc7e38acSHans Petter Selasky return "bad command descriptor type"; 933dc7e38acSHans Petter Selasky default: 934dc7e38acSHans Petter Selasky return "unknown status code"; 935dc7e38acSHans Petter Selasky } 936dc7e38acSHans Petter Selasky } 937dc7e38acSHans Petter Selasky 938dc7e38acSHans Petter Selasky static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) 939dc7e38acSHans Petter Selasky { 940dc7e38acSHans Petter Selasky int timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 941dc7e38acSHans Petter Selasky int err; 942dc7e38acSHans Petter Selasky 943721a1a6aSSlava Shwartsman if (ent->polling) { 944dc7e38acSHans Petter Selasky wait_for_completion(&ent->done); 9452327a753SHans Petter Selasky } else if (!wait_for_completion_timeout(&ent->done, timeout)) { 9462327a753SHans Petter Selasky ent->ret = -ETIMEDOUT; 947721a1a6aSSlava Shwartsman mlx5_cmd_comp_handler(dev, 1UL << ent->idx, MLX5_CMD_MODE_EVENTS); 948dc7e38acSHans Petter Selasky } 94930dfc051SHans Petter Selasky 9502327a753SHans Petter Selasky err = ent->ret; 9512327a753SHans Petter Selasky 952dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) { 953dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 954dc7e38acSHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 955dc7e38acSHans Petter Selasky msg_to_opcode(ent->in)); 956dc7e38acSHans Petter Selasky } 957dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", 958dc7e38acSHans Petter Selasky err, deliv_status_to_str(ent->status), ent->status); 959dc7e38acSHans Petter Selasky 960dc7e38acSHans Petter Selasky return err; 961dc7e38acSHans Petter Selasky } 962dc7e38acSHans Petter Selasky 963dc7e38acSHans Petter Selasky /* Notes: 964dc7e38acSHans Petter Selasky * 1. Callback functions may not sleep 965dc7e38acSHans Petter Selasky * 2. page queue commands do not support asynchrous completion 966dc7e38acSHans Petter Selasky */ 967dc7e38acSHans Petter Selasky static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, 9681c807f67SHans Petter Selasky int uin_size, 969dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, void *uout, int uout_size, 970dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t callback, 971c0902569SHans Petter Selasky void *context, int page_queue, u8 *status, 972c0902569SHans Petter Selasky bool force_polling) 973dc7e38acSHans Petter Selasky { 974dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 975dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 976dc7e38acSHans Petter Selasky struct mlx5_cmd_stats *stats; 977dc7e38acSHans Petter Selasky int err = 0; 978dc7e38acSHans Petter Selasky s64 ds; 979dc7e38acSHans Petter Selasky u16 op; 980dc7e38acSHans Petter Selasky 981dc7e38acSHans Petter Selasky if (callback && page_queue) 982dc7e38acSHans Petter Selasky return -EINVAL; 983dc7e38acSHans Petter Selasky 9841c807f67SHans Petter Selasky ent = alloc_cmd(cmd, in, uin_size, out, uout, uout_size, callback, 9851c807f67SHans Petter Selasky context, page_queue); 986dc7e38acSHans Petter Selasky if (IS_ERR(ent)) 987dc7e38acSHans Petter Selasky return PTR_ERR(ent); 988dc7e38acSHans Petter Selasky 989721a1a6aSSlava Shwartsman ent->polling = force_polling || (cmd->mode == MLX5_CMD_MODE_POLLING); 990c0902569SHans Petter Selasky 991dc7e38acSHans Petter Selasky if (!callback) 992dc7e38acSHans Petter Selasky init_completion(&ent->done); 993dc7e38acSHans Petter Selasky 99411546d06SHans Petter Selasky INIT_DELAYED_WORK(&ent->cb_timeout_work, cb_timeout_handler); 995dc7e38acSHans Petter Selasky INIT_WORK(&ent->work, cmd_work_handler); 996dc7e38acSHans Petter Selasky if (page_queue) { 997dc7e38acSHans Petter Selasky cmd_work_handler(&ent->work); 998dc7e38acSHans Petter Selasky } else if (!queue_work(cmd->wq, &ent->work)) { 999dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to queue work\n"); 1000dc7e38acSHans Petter Selasky err = -ENOMEM; 1001dc7e38acSHans Petter Selasky goto out_free; 1002dc7e38acSHans Petter Selasky } 1003dc7e38acSHans Petter Selasky 10042327a753SHans Petter Selasky if (callback) 10052327a753SHans Petter Selasky goto out; 10062327a753SHans Petter Selasky 1007dc7e38acSHans Petter Selasky err = wait_func(dev, ent); 1008dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) 1009dc7e38acSHans Petter Selasky goto out; 1010dc7e38acSHans Petter Selasky 1011dc7e38acSHans Petter Selasky ds = ent->ts2 - ent->ts1; 1012788333d9SHans Petter Selasky op = MLX5_GET(mbox_in, in->first.data, opcode); 1013dc7e38acSHans Petter Selasky if (op < ARRAY_SIZE(cmd->stats)) { 1014dc7e38acSHans Petter Selasky stats = &cmd->stats[op]; 1015dc7e38acSHans Petter Selasky spin_lock_irq(&stats->lock); 1016dc7e38acSHans Petter Selasky stats->sum += ds; 1017dc7e38acSHans Petter Selasky ++stats->n; 1018dc7e38acSHans Petter Selasky spin_unlock_irq(&stats->lock); 1019dc7e38acSHans Petter Selasky } 1020dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, 1021dc7e38acSHans Petter Selasky "fw exec time for %s is %lld nsec\n", 1022dc7e38acSHans Petter Selasky mlx5_command_str(op), (long long)ds); 1023dc7e38acSHans Petter Selasky *status = ent->status; 1024dc7e38acSHans Petter Selasky free_cmd(ent); 1025dc7e38acSHans Petter Selasky 1026dc7e38acSHans Petter Selasky return err; 1027dc7e38acSHans Petter Selasky 1028dc7e38acSHans Petter Selasky out_free: 1029dc7e38acSHans Petter Selasky free_cmd(ent); 1030dc7e38acSHans Petter Selasky out: 1031dc7e38acSHans Petter Selasky return err; 1032dc7e38acSHans Petter Selasky } 1033dc7e38acSHans Petter Selasky 10341c807f67SHans Petter Selasky static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, size_t size) 1035dc7e38acSHans Petter Selasky { 10361c807f67SHans Petter Selasky size_t delta; 10371c807f67SHans Petter Selasky size_t i; 10381c807f67SHans Petter Selasky 10391c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10401c807f67SHans Petter Selasky return (-ENOMEM); 10411c807f67SHans Petter Selasky 10421c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(to->first.data)); 10431c807f67SHans Petter Selasky memcpy(to->first.data, from, delta); 10441c807f67SHans Petter Selasky from = (char *)from + delta; 10451c807f67SHans Petter Selasky size -= delta; 10461c807f67SHans Petter Selasky 10471c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1048dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1049dc7e38acSHans Petter Selasky 10501c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(to, i * MLX5_CMD_MBOX_SIZE); 1051dc7e38acSHans Petter Selasky 10521c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10531c807f67SHans Petter Selasky memcpy(block->data, from, delta); 10541c807f67SHans Petter Selasky from = (char *)from + delta; 10551c807f67SHans Petter Selasky size -= delta; 1056dc7e38acSHans Petter Selasky } 10571c807f67SHans Petter Selasky return (0); 1058dc7e38acSHans Petter Selasky } 1059dc7e38acSHans Petter Selasky 1060dc7e38acSHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) 1061dc7e38acSHans Petter Selasky { 10621c807f67SHans Petter Selasky size_t delta; 10631c807f67SHans Petter Selasky size_t i; 10641c807f67SHans Petter Selasky 10651c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10661c807f67SHans Petter Selasky return (-ENOMEM); 10671c807f67SHans Petter Selasky 10681c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(from->first.data)); 10691c807f67SHans Petter Selasky memcpy(to, from->first.data, delta); 10701c807f67SHans Petter Selasky to = (char *)to + delta; 10711c807f67SHans Petter Selasky size -= delta; 10721c807f67SHans Petter Selasky 10731c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1074dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1075dc7e38acSHans Petter Selasky 10761c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(from, i * MLX5_CMD_MBOX_SIZE); 1077dc7e38acSHans Petter Selasky 10781c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10791c807f67SHans Petter Selasky memcpy(to, block->data, delta); 10801c807f67SHans Petter Selasky to = (char *)to + delta; 10811c807f67SHans Petter Selasky size -= delta; 10821c807f67SHans Petter Selasky } 10831c807f67SHans Petter Selasky return (0); 1084dc7e38acSHans Petter Selasky } 1085dc7e38acSHans Petter Selasky 10861c807f67SHans Petter Selasky static struct mlx5_cmd_msg * 10871c807f67SHans Petter Selasky mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, gfp_t flags, size_t size) 1088dc7e38acSHans Petter Selasky { 1089dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 10901c807f67SHans Petter Selasky size_t blen; 10911c807f67SHans Petter Selasky size_t n; 10921c807f67SHans Petter Selasky size_t i; 1093dc7e38acSHans Petter Selasky 10941c807f67SHans Petter Selasky blen = size - min_t(size_t, sizeof(msg->first.data), size); 10951c807f67SHans Petter Selasky n = howmany(blen, MLX5_CMD_DATA_BLOCK_SIZE); 1096dc7e38acSHans Petter Selasky 10971c807f67SHans Petter Selasky msg = mlx5_fwp_alloc(dev, flags, howmany(n, MLX5_NUM_CMDS_IN_ADAPTER_PAGE)); 10981c807f67SHans Petter Selasky if (msg == NULL) 10991c807f67SHans Petter Selasky return (ERR_PTR(-ENOMEM)); 1100dc7e38acSHans Petter Selasky 11011c807f67SHans Petter Selasky for (i = 0; i != n; i++) { 11021c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 11031c807f67SHans Petter Selasky 11041c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 11051c807f67SHans Petter Selasky 11061c807f67SHans Petter Selasky memset(block, 0, MLX5_CMD_MBOX_SIZE); 11071c807f67SHans Petter Selasky 11081c807f67SHans Petter Selasky if (i != (n - 1)) { 11091c807f67SHans Petter Selasky u64 dma = mlx5_fwp_get_dma(msg, (i + 1) * MLX5_CMD_MBOX_SIZE); 11101c807f67SHans Petter Selasky block->next = cpu_to_be64(dma); 11111c807f67SHans Petter Selasky } 11121c807f67SHans Petter Selasky block->block_num = cpu_to_be32(i); 1113dc7e38acSHans Petter Selasky } 1114dc7e38acSHans Petter Selasky 11151c807f67SHans Petter Selasky /* make sure initial data is written to RAM */ 11161c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 1117dc7e38acSHans Petter Selasky 11181c807f67SHans Petter Selasky return (msg); 1119dc7e38acSHans Petter Selasky } 1120dc7e38acSHans Petter Selasky 11211c807f67SHans Petter Selasky static void 11221c807f67SHans Petter Selasky mlx5_free_cmd_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1123dc7e38acSHans Petter Selasky { 1124dc7e38acSHans Petter Selasky 11251c807f67SHans Petter Selasky mlx5_fwp_free(msg); 1126dc7e38acSHans Petter Selasky } 1127dc7e38acSHans Petter Selasky 1128dc7e38acSHans Petter Selasky static void set_wqname(struct mlx5_core_dev *dev) 1129dc7e38acSHans Petter Selasky { 1130dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1131dc7e38acSHans Petter Selasky 1132dc7e38acSHans Petter Selasky snprintf(cmd->wq_name, sizeof(cmd->wq_name), "mlx5_cmd_%s", 1133dc7e38acSHans Petter Selasky dev_name(&dev->pdev->dev)); 1134dc7e38acSHans Petter Selasky } 1135dc7e38acSHans Petter Selasky 1136dc7e38acSHans Petter Selasky static void clean_debug_files(struct mlx5_core_dev *dev) 1137dc7e38acSHans Petter Selasky { 1138dc7e38acSHans Petter Selasky } 1139dc7e38acSHans Petter Selasky 1140dc7e38acSHans Petter Selasky 11412327a753SHans Petter Selasky static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode) 1142dc7e38acSHans Petter Selasky { 1143dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1144dc7e38acSHans Petter Selasky int i; 1145dc7e38acSHans Petter Selasky 1146192fc18dSHans Petter Selasky if (cmd->mode == mode) 1147192fc18dSHans Petter Selasky return; 1148192fc18dSHans Petter Selasky 1149dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1150dc7e38acSHans Petter Selasky down(&cmd->sem); 1151dc7e38acSHans Petter Selasky 1152dc7e38acSHans Petter Selasky down(&cmd->pages_sem); 11532327a753SHans Petter Selasky cmd->mode = mode; 1154dc7e38acSHans Petter Selasky 1155dc7e38acSHans Petter Selasky up(&cmd->pages_sem); 1156dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1157dc7e38acSHans Petter Selasky up(&cmd->sem); 1158dc7e38acSHans Petter Selasky } 1159dc7e38acSHans Petter Selasky 11602327a753SHans Petter Selasky void mlx5_cmd_use_events(struct mlx5_core_dev *dev) 11612327a753SHans Petter Selasky { 1162721a1a6aSSlava Shwartsman mlx5_cmd_change_mod(dev, MLX5_CMD_MODE_EVENTS); 11632327a753SHans Petter Selasky } 11642327a753SHans Petter Selasky 1165dc7e38acSHans Petter Selasky void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) 1166dc7e38acSHans Petter Selasky { 1167721a1a6aSSlava Shwartsman mlx5_cmd_change_mod(dev, MLX5_CMD_MODE_POLLING); 1168dc7e38acSHans Petter Selasky } 1169dc7e38acSHans Petter Selasky 1170dc7e38acSHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1171dc7e38acSHans Petter Selasky { 1172dc7e38acSHans Petter Selasky unsigned long flags; 1173dc7e38acSHans Petter Selasky 1174dc7e38acSHans Petter Selasky if (msg->cache) { 1175dc7e38acSHans Petter Selasky spin_lock_irqsave(&msg->cache->lock, flags); 1176dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &msg->cache->head); 1177dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&msg->cache->lock, flags); 1178dc7e38acSHans Petter Selasky } else { 1179dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1180dc7e38acSHans Petter Selasky } 1181dc7e38acSHans Petter Selasky } 1182dc7e38acSHans Petter Selasky 1183721a1a6aSSlava Shwartsman void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector_flags, 1184721a1a6aSSlava Shwartsman enum mlx5_cmd_mode cmd_mode) 1185dc7e38acSHans Petter Selasky { 1186dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1187dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 118870b417cfSSlava Shwartsman bool triggered = (vector_flags & MLX5_TRIGGERED_CMD_COMP) ? 1 : 0; 118970b417cfSSlava Shwartsman u32 vector = vector_flags; /* discard flags in the upper dword */ 1190dc7e38acSHans Petter Selasky int i; 1191dc7e38acSHans Petter Selasky 11921c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 11931c807f67SHans Petter Selasky mlx5_fwp_invalidate(cmd->cmd_page); 11941c807f67SHans Petter Selasky 1195d0ce5a0dSHans Petter Selasky while (vector != 0) { 1196d0ce5a0dSHans Petter Selasky i = ffs(vector) - 1; 1197d0ce5a0dSHans Petter Selasky vector &= ~(1U << i); 1198721a1a6aSSlava Shwartsman /* check command mode */ 1199721a1a6aSSlava Shwartsman if (cmd->ent_mode[i] != cmd_mode) 1200721a1a6aSSlava Shwartsman continue; 1201dc7e38acSHans Petter Selasky ent = cmd->ent_arr[i]; 1202721a1a6aSSlava Shwartsman /* check if command was already handled */ 1203721a1a6aSSlava Shwartsman if (ent == NULL) 1204721a1a6aSSlava Shwartsman continue; 120511546d06SHans Petter Selasky if (ent->callback) 120611546d06SHans Petter Selasky cancel_delayed_work(&ent->cb_timeout_work); 1207dc7e38acSHans Petter Selasky ent->ts2 = ktime_get_ns(); 1208d0ce5a0dSHans Petter Selasky memcpy(ent->out->first.data, ent->lay->out, 1209d0ce5a0dSHans Petter Selasky sizeof(ent->lay->out)); 12101c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 12111c807f67SHans Petter Selasky mlx5_fwp_invalidate(ent->out); 1212dc7e38acSHans Petter Selasky dump_command(dev, ent, 0); 1213dc7e38acSHans Petter Selasky if (!ent->ret) { 1214dc7e38acSHans Petter Selasky if (!cmd->checksum_disabled) 1215dc7e38acSHans Petter Selasky ent->ret = verify_signature(ent); 1216dc7e38acSHans Petter Selasky else 1217dc7e38acSHans Petter Selasky ent->ret = 0; 1218a5754bd2SHans Petter Selasky 121970b417cfSSlava Shwartsman if (triggered) 1220a2485fe5SHans Petter Selasky ent->status = MLX5_DRIVER_STATUS_ABORTED; 1221a2485fe5SHans Petter Selasky else 1222a2485fe5SHans Petter Selasky ent->status = ent->lay->status_own >> 1; 122330dfc051SHans Petter Selasky 1224d0ce5a0dSHans Petter Selasky mlx5_core_dbg(dev, 1225d0ce5a0dSHans Petter Selasky "FW command ret 0x%x, status %s(0x%x)\n", 1226d0ce5a0dSHans Petter Selasky ent->ret, 1227d0ce5a0dSHans Petter Selasky deliv_status_to_str(ent->status), 1228d0ce5a0dSHans Petter Selasky ent->status); 1229dc7e38acSHans Petter Selasky } 1230dc7e38acSHans Petter Selasky free_ent(cmd, ent->idx); 12318e7e0ce1SHans Petter Selasky complete_command(ent); 1232dc7e38acSHans Petter Selasky } 1233dc7e38acSHans Petter Selasky } 1234dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_comp_handler); 1235dc7e38acSHans Petter Selasky 1236dc7e38acSHans Petter Selasky static int status_to_err(u8 status) 1237dc7e38acSHans Petter Selasky { 123807e68e62SHans Petter Selasky return status ? -EIO : 0; /* TBD more meaningful codes */ 1239dc7e38acSHans Petter Selasky } 1240dc7e38acSHans Petter Selasky 1241dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, 1242dc7e38acSHans Petter Selasky gfp_t gfp) 1243dc7e38acSHans Petter Selasky { 1244dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM); 1245dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1246dc7e38acSHans Petter Selasky struct cache_ent *ent = NULL; 1247dc7e38acSHans Petter Selasky 1248dc7e38acSHans Petter Selasky if (in_size > MED_LIST_SIZE && in_size <= LONG_LIST_SIZE) 1249dc7e38acSHans Petter Selasky ent = &cmd->cache.large; 1250dc7e38acSHans Petter Selasky else if (in_size > 16 && in_size <= MED_LIST_SIZE) 1251dc7e38acSHans Petter Selasky ent = &cmd->cache.med; 1252dc7e38acSHans Petter Selasky 1253dc7e38acSHans Petter Selasky if (ent) { 1254dc7e38acSHans Petter Selasky spin_lock_irq(&ent->lock); 1255dc7e38acSHans Petter Selasky if (!list_empty(&ent->head)) { 1256dc7e38acSHans Petter Selasky msg = list_entry(ent->head.next, struct mlx5_cmd_msg, 1257dc7e38acSHans Petter Selasky list); 1258dc7e38acSHans Petter Selasky list_del(&msg->list); 1259dc7e38acSHans Petter Selasky } 1260dc7e38acSHans Petter Selasky spin_unlock_irq(&ent->lock); 1261dc7e38acSHans Petter Selasky } 1262dc7e38acSHans Petter Selasky 1263dc7e38acSHans Petter Selasky if (IS_ERR(msg)) 1264dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); 1265dc7e38acSHans Petter Selasky 1266dc7e38acSHans Petter Selasky return msg; 1267dc7e38acSHans Petter Selasky } 1268dc7e38acSHans Petter Selasky 1269788333d9SHans Petter Selasky static int is_manage_pages(void *in) 1270a2485fe5SHans Petter Selasky { 1271788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in, opcode) == MLX5_CMD_OP_MANAGE_PAGES; 1272dc7e38acSHans Petter Selasky } 1273dc7e38acSHans Petter Selasky 127430dfc051SHans Petter Selasky static int cmd_exec_helper(struct mlx5_core_dev *dev, 127530dfc051SHans Petter Selasky void *in, int in_size, 127630dfc051SHans Petter Selasky void *out, int out_size, 1277c0902569SHans Petter Selasky mlx5_cmd_cbk_t callback, void *context, 1278c0902569SHans Petter Selasky bool force_polling) 1279dc7e38acSHans Petter Selasky { 1280dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *inb; 1281dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *outb; 1282dc7e38acSHans Petter Selasky int pages_queue; 12831d4905b5SHans Petter Selasky const gfp_t gfp = GFP_KERNEL; 1284dc7e38acSHans Petter Selasky int err; 1285dc7e38acSHans Petter Selasky u8 status = 0; 1286a2485fe5SHans Petter Selasky u32 drv_synd; 1287a2485fe5SHans Petter Selasky 1288a2485fe5SHans Petter Selasky if (pci_channel_offline(dev->pdev) || 1289a2485fe5SHans Petter Selasky dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 1290788333d9SHans Petter Selasky u16 opcode = MLX5_GET(mbox_in, in, opcode); 1291788333d9SHans Petter Selasky err = mlx5_internal_err_ret_value(dev, opcode, &drv_synd, &status); 1292788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, status, status); 1293788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, syndrome, drv_synd); 1294a2485fe5SHans Petter Selasky return err; 1295a2485fe5SHans Petter Selasky } 1296dc7e38acSHans Petter Selasky 1297dc7e38acSHans Petter Selasky pages_queue = is_manage_pages(in); 1298dc7e38acSHans Petter Selasky 1299dc7e38acSHans Petter Selasky inb = alloc_msg(dev, in_size, gfp); 1300dc7e38acSHans Petter Selasky if (IS_ERR(inb)) { 1301dc7e38acSHans Petter Selasky err = PTR_ERR(inb); 1302dc7e38acSHans Petter Selasky return err; 1303dc7e38acSHans Petter Selasky } 1304dc7e38acSHans Petter Selasky 1305dc7e38acSHans Petter Selasky err = mlx5_copy_to_msg(inb, in, in_size); 1306dc7e38acSHans Petter Selasky if (err) { 1307dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "err %d\n", err); 1308dc7e38acSHans Petter Selasky goto out_in; 1309dc7e38acSHans Petter Selasky } 1310dc7e38acSHans Petter Selasky 1311dc7e38acSHans Petter Selasky outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); 1312dc7e38acSHans Petter Selasky if (IS_ERR(outb)) { 1313dc7e38acSHans Petter Selasky err = PTR_ERR(outb); 1314dc7e38acSHans Petter Selasky goto out_in; 1315dc7e38acSHans Petter Selasky } 1316dc7e38acSHans Petter Selasky 13171c807f67SHans Petter Selasky err = mlx5_cmd_invoke(dev, inb, in_size, outb, out, out_size, callback, 1318c0902569SHans Petter Selasky context, pages_queue, &status, force_polling); 131997ac3908SHans Petter Selasky if (err) { 132097ac3908SHans Petter Selasky if (err == -ETIMEDOUT) 132197ac3908SHans Petter Selasky return err; 1322dc7e38acSHans Petter Selasky goto out_out; 132397ac3908SHans Petter Selasky } 1324dc7e38acSHans Petter Selasky 1325dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, status %d\n", err, status); 1326dc7e38acSHans Petter Selasky if (status) { 1327dc7e38acSHans Petter Selasky err = status_to_err(status); 1328dc7e38acSHans Petter Selasky goto out_out; 1329dc7e38acSHans Petter Selasky } 1330dc7e38acSHans Petter Selasky 1331dc7e38acSHans Petter Selasky if (callback) 1332dc7e38acSHans Petter Selasky return err; 1333dc7e38acSHans Petter Selasky 1334dc7e38acSHans Petter Selasky err = mlx5_copy_from_msg(out, outb, out_size); 1335dc7e38acSHans Petter Selasky 1336dc7e38acSHans Petter Selasky out_out: 1337dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, outb); 1338dc7e38acSHans Petter Selasky 1339dc7e38acSHans Petter Selasky out_in: 1340dc7e38acSHans Petter Selasky free_msg(dev, inb); 1341dc7e38acSHans Petter Selasky return err; 1342dc7e38acSHans Petter Selasky } 1343dc7e38acSHans Petter Selasky 1344dc7e38acSHans Petter Selasky int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1345dc7e38acSHans Petter Selasky int out_size) 1346dc7e38acSHans Petter Selasky { 1347788333d9SHans Petter Selasky int err; 1348788333d9SHans Petter Selasky 1349c0902569SHans Petter Selasky err = cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL, false); 1350788333d9SHans Petter Selasky return err ? : mlx5_cmd_check(dev, in, out); 1351dc7e38acSHans Petter Selasky } 1352dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec); 1353dc7e38acSHans Petter Selasky 1354dc7e38acSHans Petter Selasky int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, 1355dc7e38acSHans Petter Selasky void *out, int out_size, mlx5_cmd_cbk_t callback, 1356dc7e38acSHans Petter Selasky void *context) 1357dc7e38acSHans Petter Selasky { 1358c0902569SHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, callback, context, false); 1359dc7e38acSHans Petter Selasky } 1360dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_cb); 1361dc7e38acSHans Petter Selasky 1362c0902569SHans Petter Selasky int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, 1363c0902569SHans Petter Selasky void *out, int out_size) 1364c0902569SHans Petter Selasky { 1365c0902569SHans Petter Selasky int err; 1366c0902569SHans Petter Selasky 1367c0902569SHans Petter Selasky err = cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL, true); 1368c0902569SHans Petter Selasky return err ? : mlx5_cmd_check(dev, in, out); 1369c0902569SHans Petter Selasky } 1370c0902569SHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_polling); 1371c0902569SHans Petter Selasky 1372dc7e38acSHans Petter Selasky static void destroy_msg_cache(struct mlx5_core_dev *dev) 1373dc7e38acSHans Petter Selasky { 1374dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1375dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1376dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *n; 1377dc7e38acSHans Petter Selasky 1378dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.large.head, list) { 1379dc7e38acSHans Petter Selasky list_del(&msg->list); 1380dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1381dc7e38acSHans Petter Selasky } 1382dc7e38acSHans Petter Selasky 1383dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.med.head, list) { 1384dc7e38acSHans Petter Selasky list_del(&msg->list); 1385dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1386dc7e38acSHans Petter Selasky } 1387dc7e38acSHans Petter Selasky } 1388dc7e38acSHans Petter Selasky 1389dc7e38acSHans Petter Selasky static int create_msg_cache(struct mlx5_core_dev *dev) 1390dc7e38acSHans Petter Selasky { 1391dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1392dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1393dc7e38acSHans Petter Selasky int err; 1394dc7e38acSHans Petter Selasky int i; 1395dc7e38acSHans Petter Selasky 1396dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.large.lock); 1397dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.large.head); 1398dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.med.lock); 1399dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.med.head); 1400dc7e38acSHans Petter Selasky 1401dc7e38acSHans Petter Selasky for (i = 0; i < NUM_LONG_LISTS; i++) { 1402dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE); 1403dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1404dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1405dc7e38acSHans Petter Selasky goto ex_err; 1406dc7e38acSHans Petter Selasky } 1407dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.large; 1408dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.large.head); 1409dc7e38acSHans Petter Selasky } 1410dc7e38acSHans Petter Selasky 1411dc7e38acSHans Petter Selasky for (i = 0; i < NUM_MED_LISTS; i++) { 1412dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); 1413dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1414dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1415dc7e38acSHans Petter Selasky goto ex_err; 1416dc7e38acSHans Petter Selasky } 1417dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.med; 1418dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.med.head); 1419dc7e38acSHans Petter Selasky } 1420dc7e38acSHans Petter Selasky 1421dc7e38acSHans Petter Selasky return 0; 1422dc7e38acSHans Petter Selasky 1423dc7e38acSHans Petter Selasky ex_err: 1424dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1425dc7e38acSHans Petter Selasky return err; 1426dc7e38acSHans Petter Selasky } 1427dc7e38acSHans Petter Selasky 14281c807f67SHans Petter Selasky static int 14291c807f67SHans Petter Selasky alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1430dc7e38acSHans Petter Selasky { 14311c807f67SHans Petter Selasky int err; 1432dc7e38acSHans Petter Selasky 14331c807f67SHans Petter Selasky sx_init(&cmd->dma_sx, "MLX5-DMA-SX"); 14341c807f67SHans Petter Selasky mtx_init(&cmd->dma_mtx, "MLX5-DMA-MTX", NULL, MTX_DEF); 14351c807f67SHans Petter Selasky cv_init(&cmd->dma_cv, "MLX5-DMA-CV"); 14361c807f67SHans Petter Selasky 14371c807f67SHans Petter Selasky /* 14381c807f67SHans Petter Selasky * Create global DMA descriptor tag for allocating 14391c807f67SHans Petter Selasky * 4K firmware pages: 14401c807f67SHans Petter Selasky */ 14411c807f67SHans Petter Selasky err = -bus_dma_tag_create( 14421c807f67SHans Petter Selasky bus_get_dma_tag(dev->pdev->dev.bsddev), 14431c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* alignment */ 14441c807f67SHans Petter Selasky 0, /* no boundary */ 14451c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* lowaddr */ 14461c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* highaddr */ 14471c807f67SHans Petter Selasky NULL, NULL, /* filter, filterarg */ 14481c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsize */ 14491c807f67SHans Petter Selasky 1, /* nsegments */ 14501c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsegsize */ 14511c807f67SHans Petter Selasky 0, /* flags */ 14521c807f67SHans Petter Selasky NULL, NULL, /* lockfunc, lockfuncarg */ 14531c807f67SHans Petter Selasky &cmd->dma_tag); 14541c807f67SHans Petter Selasky if (err != 0) 14551c807f67SHans Petter Selasky goto failure_destroy_sx; 14561c807f67SHans Petter Selasky 14571c807f67SHans Petter Selasky cmd->cmd_page = mlx5_fwp_alloc(dev, GFP_KERNEL, 1); 14581c807f67SHans Petter Selasky if (cmd->cmd_page == NULL) { 14591c807f67SHans Petter Selasky err = -ENOMEM; 14601c807f67SHans Petter Selasky goto failure_alloc_page; 14611c807f67SHans Petter Selasky } 14621c807f67SHans Petter Selasky cmd->dma = mlx5_fwp_get_dma(cmd->cmd_page, 0); 14631c807f67SHans Petter Selasky cmd->cmd_buf = mlx5_fwp_get_virt(cmd->cmd_page, 0); 14641c807f67SHans Petter Selasky return (0); 14651c807f67SHans Petter Selasky 14661c807f67SHans Petter Selasky failure_alloc_page: 14671c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 14681c807f67SHans Petter Selasky 14691c807f67SHans Petter Selasky failure_destroy_sx: 14701c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 14711c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 14721c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 14731c807f67SHans Petter Selasky return (err); 1474dc7e38acSHans Petter Selasky } 1475dc7e38acSHans Petter Selasky 14761c807f67SHans Petter Selasky static void 14771c807f67SHans Petter Selasky free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1478dc7e38acSHans Petter Selasky { 14791c807f67SHans Petter Selasky 14801c807f67SHans Petter Selasky mlx5_fwp_free(cmd->cmd_page); 14811c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 14821c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 14831c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 14841c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 1485dc7e38acSHans Petter Selasky } 1486dc7e38acSHans Petter Selasky 1487dc7e38acSHans Petter Selasky int mlx5_cmd_init(struct mlx5_core_dev *dev) 1488dc7e38acSHans Petter Selasky { 1489dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1490dc7e38acSHans Petter Selasky u32 cmd_h, cmd_l; 1491dc7e38acSHans Petter Selasky u16 cmd_if_rev; 1492dc7e38acSHans Petter Selasky int err; 1493dc7e38acSHans Petter Selasky int i; 1494dc7e38acSHans Petter Selasky 1495a2485fe5SHans Petter Selasky memset(cmd, 0, sizeof(*cmd)); 1496dc7e38acSHans Petter Selasky cmd_if_rev = cmdif_rev_get(dev); 1497dc7e38acSHans Petter Selasky if (cmd_if_rev != CMD_IF_REV) { 1498dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""Driver cmdif rev(%d) differs from firmware's(%d)\n", CMD_IF_REV, cmd_if_rev); 1499dc7e38acSHans Petter Selasky return -EINVAL; 1500dc7e38acSHans Petter Selasky } 1501dc7e38acSHans Petter Selasky 1502dc7e38acSHans Petter Selasky err = alloc_cmd_page(dev, cmd); 1503dc7e38acSHans Petter Selasky if (err) 1504dc7e38acSHans Petter Selasky goto err_free_pool; 1505dc7e38acSHans Petter Selasky 1506dc7e38acSHans Petter Selasky cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff; 1507dc7e38acSHans Petter Selasky cmd->log_sz = cmd_l >> 4 & 0xf; 1508dc7e38acSHans Petter Selasky cmd->log_stride = cmd_l & 0xf; 1509dc7e38acSHans Petter Selasky if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) { 1510dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""firmware reports too many outstanding commands %d\n", 1 << cmd->log_sz); 1511dc7e38acSHans Petter Selasky err = -EINVAL; 1512dc7e38acSHans Petter Selasky goto err_free_page; 1513dc7e38acSHans Petter Selasky } 1514dc7e38acSHans Petter Selasky 1515dc7e38acSHans Petter Selasky if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) { 1516dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""command queue size overflow\n"); 1517dc7e38acSHans Petter Selasky err = -EINVAL; 1518dc7e38acSHans Petter Selasky goto err_free_page; 1519dc7e38acSHans Petter Selasky } 1520dc7e38acSHans Petter Selasky 1521dc7e38acSHans Petter Selasky cmd->checksum_disabled = 1; 1522dc7e38acSHans Petter Selasky cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; 1523dc7e38acSHans Petter Selasky cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; 1524dc7e38acSHans Petter Selasky 1525dc7e38acSHans Petter Selasky cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 1526dc7e38acSHans Petter Selasky if (cmd->cmdif_rev > CMD_IF_REV) { 1527dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""driver does not support command interface version. driver %d, firmware %d\n", CMD_IF_REV, cmd->cmdif_rev); 1528dc7e38acSHans Petter Selasky err = -ENOTSUPP; 1529dc7e38acSHans Petter Selasky goto err_free_page; 1530dc7e38acSHans Petter Selasky } 1531dc7e38acSHans Petter Selasky 1532dc7e38acSHans Petter Selasky spin_lock_init(&cmd->alloc_lock); 1533dc7e38acSHans Petter Selasky spin_lock_init(&cmd->token_lock); 1534dc7e38acSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(cmd->stats); i++) 1535dc7e38acSHans Petter Selasky spin_lock_init(&cmd->stats[i].lock); 1536dc7e38acSHans Petter Selasky 1537dc7e38acSHans Petter Selasky sema_init(&cmd->sem, cmd->max_reg_cmds); 1538dc7e38acSHans Petter Selasky sema_init(&cmd->pages_sem, 1); 1539dc7e38acSHans Petter Selasky 1540dc7e38acSHans Petter Selasky cmd_h = (u32)((u64)(cmd->dma) >> 32); 1541dc7e38acSHans Petter Selasky cmd_l = (u32)(cmd->dma); 1542dc7e38acSHans Petter Selasky if (cmd_l & 0xfff) { 1543dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""invalid command queue address\n"); 1544dc7e38acSHans Petter Selasky err = -ENOMEM; 1545dc7e38acSHans Petter Selasky goto err_free_page; 1546dc7e38acSHans Petter Selasky } 1547dc7e38acSHans Petter Selasky 1548dc7e38acSHans Petter Selasky iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); 1549dc7e38acSHans Petter Selasky iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); 1550dc7e38acSHans Petter Selasky 1551dc7e38acSHans Petter Selasky /* Make sure firmware sees the complete address before we proceed */ 1552dc7e38acSHans Petter Selasky wmb(); 1553dc7e38acSHans Petter Selasky 1554dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma)); 1555dc7e38acSHans Petter Selasky 1556721a1a6aSSlava Shwartsman cmd->mode = MLX5_CMD_MODE_POLLING; 1557dc7e38acSHans Petter Selasky 1558dc7e38acSHans Petter Selasky err = create_msg_cache(dev); 1559dc7e38acSHans Petter Selasky if (err) { 1560dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command cache\n"); 1561dc7e38acSHans Petter Selasky goto err_free_page; 1562dc7e38acSHans Petter Selasky } 1563dc7e38acSHans Petter Selasky 1564dc7e38acSHans Petter Selasky set_wqname(dev); 1565dc7e38acSHans Petter Selasky cmd->wq = create_singlethread_workqueue(cmd->wq_name); 1566dc7e38acSHans Petter Selasky if (!cmd->wq) { 1567dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command workqueue\n"); 1568dc7e38acSHans Petter Selasky err = -ENOMEM; 1569dc7e38acSHans Petter Selasky goto err_cache; 1570dc7e38acSHans Petter Selasky } 1571dc7e38acSHans Petter Selasky 1572dc7e38acSHans Petter Selasky return 0; 1573dc7e38acSHans Petter Selasky 1574dc7e38acSHans Petter Selasky err_cache: 1575dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1576dc7e38acSHans Petter Selasky 1577dc7e38acSHans Petter Selasky err_free_page: 1578dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1579dc7e38acSHans Petter Selasky 1580dc7e38acSHans Petter Selasky err_free_pool: 1581dc7e38acSHans Petter Selasky return err; 1582dc7e38acSHans Petter Selasky } 1583dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init); 1584dc7e38acSHans Petter Selasky 1585dc7e38acSHans Petter Selasky void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) 1586dc7e38acSHans Petter Selasky { 1587dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1588dc7e38acSHans Petter Selasky 1589dc7e38acSHans Petter Selasky clean_debug_files(dev); 1590dc7e38acSHans Petter Selasky destroy_workqueue(cmd->wq); 1591dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1592dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1593dc7e38acSHans Petter Selasky } 1594dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup); 1595118063fbSHans Petter Selasky 1596118063fbSHans Petter Selasky int mlx5_cmd_query_cong_counter(struct mlx5_core_dev *dev, 1597118063fbSHans Petter Selasky bool reset, void *out, int out_size) 1598118063fbSHans Petter Selasky { 1599118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_statistics_in)] = { }; 1600118063fbSHans Petter Selasky 1601118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, opcode, 1602118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_STATISTICS); 1603118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, clear, reset); 1604118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1605118063fbSHans Petter Selasky } 1606118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_counter); 1607118063fbSHans Petter Selasky 1608118063fbSHans Petter Selasky int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, 1609118063fbSHans Petter Selasky void *out, int out_size) 1610118063fbSHans Petter Selasky { 1611118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = { }; 1612118063fbSHans Petter Selasky 1613118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, opcode, 1614118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_PARAMS); 1615118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point); 1616118063fbSHans Petter Selasky 1617118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1618118063fbSHans Petter Selasky } 1619118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_params); 1620118063fbSHans Petter Selasky 1621118063fbSHans Petter Selasky int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev, 1622118063fbSHans Petter Selasky void *in, int in_size) 1623118063fbSHans Petter Selasky { 1624118063fbSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(modify_cong_params_out)] = { }; 1625118063fbSHans Petter Selasky 1626118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); 1627118063fbSHans Petter Selasky } 1628118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_modify_cong_params); 1629