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 CMD_MODE_POLLING, 54dc7e38acSHans Petter Selasky CMD_MODE_EVENTS 55dc7e38acSHans Petter Selasky }; 56dc7e38acSHans Petter Selasky 57dc7e38acSHans Petter Selasky enum { 58dc7e38acSHans Petter Selasky NUM_LONG_LISTS = 2, 59dc7e38acSHans Petter Selasky NUM_MED_LISTS = 64, 60dc7e38acSHans Petter Selasky LONG_LIST_SIZE = (2ULL * 1024 * 1024 * 1024 / PAGE_SIZE) * 8 + 16 + 61dc7e38acSHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, 62dc7e38acSHans Petter Selasky MED_LIST_SIZE = 16 + MLX5_CMD_DATA_BLOCK_SIZE, 63dc7e38acSHans Petter Selasky }; 64dc7e38acSHans Petter Selasky 65dc7e38acSHans Petter Selasky enum { 66dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OK = 0x0, 67dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR = 0x1, 68dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_TOK_ERR = 0x2, 69dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR = 0x3, 70dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR = 0x4, 71dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR = 0x5, 72dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_FW_ERR = 0x6, 73dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR = 0x7, 74dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR = 0x8, 75dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR = 0x9, 76dc7e38acSHans Petter Selasky MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR = 0x10, 77dc7e38acSHans Petter Selasky }; 78dc7e38acSHans Petter Selasky 79788333d9SHans Petter Selasky struct mlx5_ifc_mbox_out_bits { 80788333d9SHans Petter Selasky u8 status[0x8]; 81788333d9SHans Petter Selasky u8 reserved_at_8[0x18]; 82788333d9SHans Petter Selasky 83788333d9SHans Petter Selasky u8 syndrome[0x20]; 84788333d9SHans Petter Selasky 85788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 86788333d9SHans Petter Selasky }; 87788333d9SHans Petter Selasky 88788333d9SHans Petter Selasky struct mlx5_ifc_mbox_in_bits { 89788333d9SHans Petter Selasky u8 opcode[0x10]; 90788333d9SHans Petter Selasky u8 reserved_at_10[0x10]; 91788333d9SHans Petter Selasky 92788333d9SHans Petter Selasky u8 reserved_at_20[0x10]; 93788333d9SHans Petter Selasky u8 op_mod[0x10]; 94788333d9SHans Petter Selasky 95788333d9SHans Petter Selasky u8 reserved_at_40[0x40]; 96788333d9SHans Petter Selasky }; 97788333d9SHans Petter Selasky 98788333d9SHans Petter Selasky 99dc7e38acSHans Petter Selasky static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd, 100dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *in, 1011c807f67SHans Petter Selasky int uin_size, 102dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, 103dc7e38acSHans Petter Selasky void *uout, int uout_size, 104dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t cbk, 105dc7e38acSHans Petter Selasky void *context, int page_queue) 106dc7e38acSHans Petter Selasky { 107dc7e38acSHans Petter Selasky gfp_t alloc_flags = cbk ? GFP_ATOMIC : GFP_KERNEL; 108dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 109dc7e38acSHans Petter Selasky 110dc7e38acSHans Petter Selasky ent = kzalloc(sizeof(*ent), alloc_flags); 111dc7e38acSHans Petter Selasky if (!ent) 112dc7e38acSHans Petter Selasky return ERR_PTR(-ENOMEM); 113dc7e38acSHans Petter Selasky 114dc7e38acSHans Petter Selasky ent->in = in; 1151c807f67SHans Petter Selasky ent->uin_size = uin_size; 116dc7e38acSHans Petter Selasky ent->out = out; 117dc7e38acSHans Petter Selasky ent->uout = uout; 118dc7e38acSHans Petter Selasky ent->uout_size = uout_size; 119dc7e38acSHans Petter Selasky ent->callback = cbk; 120dc7e38acSHans Petter Selasky ent->context = context; 121dc7e38acSHans Petter Selasky ent->cmd = cmd; 122dc7e38acSHans Petter Selasky ent->page_queue = page_queue; 123dc7e38acSHans Petter Selasky 124dc7e38acSHans Petter Selasky return ent; 125dc7e38acSHans Petter Selasky } 126dc7e38acSHans Petter Selasky 127dc7e38acSHans Petter Selasky static u8 alloc_token(struct mlx5_cmd *cmd) 128dc7e38acSHans Petter Selasky { 129dc7e38acSHans Petter Selasky u8 token; 130dc7e38acSHans Petter Selasky 131dc7e38acSHans Petter Selasky spin_lock(&cmd->token_lock); 132dc7e38acSHans Petter Selasky cmd->token++; 133dc7e38acSHans Petter Selasky if (cmd->token == 0) 134dc7e38acSHans Petter Selasky cmd->token++; 135dc7e38acSHans Petter Selasky token = cmd->token; 136dc7e38acSHans Petter Selasky spin_unlock(&cmd->token_lock); 137dc7e38acSHans Petter Selasky 138dc7e38acSHans Petter Selasky return token; 139dc7e38acSHans Petter Selasky } 140dc7e38acSHans Petter Selasky 1418e7e0ce1SHans Petter Selasky static int alloc_ent(struct mlx5_cmd_work_ent *ent) 142dc7e38acSHans Petter Selasky { 143dc7e38acSHans Petter Selasky unsigned long flags; 1448e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 14530dfc051SHans Petter Selasky struct mlx5_core_dev *dev = 14630dfc051SHans Petter Selasky container_of(cmd, struct mlx5_core_dev, cmd); 1478e7e0ce1SHans Petter Selasky int ret = cmd->max_reg_cmds; 148dc7e38acSHans Petter Selasky 149dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 1508e7e0ce1SHans Petter Selasky if (!ent->page_queue) { 151dc7e38acSHans Petter Selasky ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds); 1528e7e0ce1SHans Petter Selasky if (ret >= cmd->max_reg_cmds) 1538e7e0ce1SHans Petter Selasky ret = -1; 1548e7e0ce1SHans Petter Selasky } 1558e7e0ce1SHans Petter Selasky 15630dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) 15730dfc051SHans Petter Selasky ret = -1; 15830dfc051SHans Petter Selasky 1598e7e0ce1SHans Petter Selasky if (ret != -1) { 16030dfc051SHans Petter Selasky ent->busy = 1; 1618e7e0ce1SHans Petter Selasky ent->idx = ret; 1628e7e0ce1SHans Petter Selasky clear_bit(ent->idx, &cmd->bitmask); 1638e7e0ce1SHans Petter Selasky cmd->ent_arr[ent->idx] = ent; 1648e7e0ce1SHans Petter Selasky } 165dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 166dc7e38acSHans Petter Selasky 1678e7e0ce1SHans Petter Selasky return ret; 168dc7e38acSHans Petter Selasky } 169dc7e38acSHans Petter Selasky 170dc7e38acSHans Petter Selasky static void free_ent(struct mlx5_cmd *cmd, int idx) 171dc7e38acSHans Petter Selasky { 172dc7e38acSHans Petter Selasky unsigned long flags; 173dc7e38acSHans Petter Selasky 174dc7e38acSHans Petter Selasky spin_lock_irqsave(&cmd->alloc_lock, flags); 175dc7e38acSHans Petter Selasky set_bit(idx, &cmd->bitmask); 176dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&cmd->alloc_lock, flags); 177dc7e38acSHans Petter Selasky } 178dc7e38acSHans Petter Selasky 179dc7e38acSHans Petter Selasky static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx) 180dc7e38acSHans Petter Selasky { 181dc7e38acSHans Petter Selasky return cmd->cmd_buf + (idx << cmd->log_stride); 182dc7e38acSHans Petter Selasky } 183dc7e38acSHans Petter Selasky 184dc7e38acSHans Petter Selasky static u8 xor8_buf(void *buf, int len) 185dc7e38acSHans Petter Selasky { 186dc7e38acSHans Petter Selasky u8 *ptr = buf; 187dc7e38acSHans Petter Selasky u8 sum = 0; 188dc7e38acSHans Petter Selasky int i; 189dc7e38acSHans Petter Selasky 190dc7e38acSHans Petter Selasky for (i = 0; i < len; i++) 191dc7e38acSHans Petter Selasky sum ^= ptr[i]; 192dc7e38acSHans Petter Selasky 193dc7e38acSHans Petter Selasky return sum; 194dc7e38acSHans Petter Selasky } 195dc7e38acSHans Petter Selasky 196dc7e38acSHans Petter Selasky static int verify_block_sig(struct mlx5_cmd_prot_block *block) 197dc7e38acSHans Petter Selasky { 198dc7e38acSHans Petter Selasky if (xor8_buf(block->rsvd0, sizeof(*block) - sizeof(block->data) - 1) != 0xff) 199dc7e38acSHans Petter Selasky return -EINVAL; 200dc7e38acSHans Petter Selasky 201dc7e38acSHans Petter Selasky if (xor8_buf(block, sizeof(*block)) != 0xff) 202dc7e38acSHans Petter Selasky return -EINVAL; 203dc7e38acSHans Petter Selasky 204dc7e38acSHans Petter Selasky return 0; 205dc7e38acSHans Petter Selasky } 206dc7e38acSHans Petter Selasky 207dc7e38acSHans Petter Selasky static void calc_block_sig(struct mlx5_cmd_prot_block *block, u8 token, 208dc7e38acSHans Petter Selasky int csum) 209dc7e38acSHans Petter Selasky { 210dc7e38acSHans Petter Selasky block->token = token; 211dc7e38acSHans Petter Selasky if (csum) { 212dc7e38acSHans Petter Selasky block->ctrl_sig = ~xor8_buf(block->rsvd0, sizeof(*block) - 213dc7e38acSHans Petter Selasky sizeof(block->data) - 2); 214dc7e38acSHans Petter Selasky block->sig = ~xor8_buf(block, sizeof(*block) - 1); 215dc7e38acSHans Petter Selasky } 216dc7e38acSHans Petter Selasky } 217dc7e38acSHans Petter Selasky 2181c807f67SHans Petter Selasky static void 2191c807f67SHans Petter Selasky calc_chain_sig(struct mlx5_cmd_msg *msg, u8 token, int csum) 220dc7e38acSHans Petter Selasky { 2211c807f67SHans Petter Selasky size_t i; 222dc7e38acSHans Petter Selasky 2231c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2241c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 2251c807f67SHans Petter Selasky 2261c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2271c807f67SHans Petter Selasky 2281c807f67SHans Petter Selasky /* compute signature */ 2291c807f67SHans Petter Selasky calc_block_sig(block, token, csum); 2301c807f67SHans Petter Selasky 2311c807f67SHans Petter Selasky /* check for last block */ 2321c807f67SHans Petter Selasky if (block->next == 0) 2331c807f67SHans Petter Selasky break; 234dc7e38acSHans Petter Selasky } 2351c807f67SHans Petter Selasky 2361c807f67SHans Petter Selasky /* make sure data gets written to RAM */ 2371c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 238dc7e38acSHans Petter Selasky } 239dc7e38acSHans Petter Selasky 240dc7e38acSHans Petter Selasky static void set_signature(struct mlx5_cmd_work_ent *ent, int csum) 241dc7e38acSHans Petter Selasky { 242dc7e38acSHans Petter Selasky ent->lay->sig = ~xor8_buf(ent->lay, sizeof(*ent->lay)); 243dc7e38acSHans Petter Selasky calc_chain_sig(ent->in, ent->token, csum); 244dc7e38acSHans Petter Selasky calc_chain_sig(ent->out, ent->token, csum); 245dc7e38acSHans Petter Selasky } 246dc7e38acSHans Petter Selasky 247dc7e38acSHans Petter Selasky static void poll_timeout(struct mlx5_cmd_work_ent *ent) 248dc7e38acSHans Petter Selasky { 24930dfc051SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, 25030dfc051SHans Petter Selasky struct mlx5_core_dev, cmd); 25130dfc051SHans Petter Selasky int poll_end = jiffies + 25230dfc051SHans Petter Selasky msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC + 1000); 253dc7e38acSHans Petter Selasky u8 own; 254dc7e38acSHans Petter Selasky 255dc7e38acSHans Petter Selasky do { 256dc7e38acSHans Petter Selasky own = ent->lay->status_own; 25730dfc051SHans Petter Selasky if (!(own & CMD_OWNER_HW) || 25830dfc051SHans Petter Selasky dev->state != MLX5_DEVICE_STATE_UP) { 259dc7e38acSHans Petter Selasky ent->ret = 0; 260dc7e38acSHans Petter Selasky return; 261dc7e38acSHans Petter Selasky } 262dc7e38acSHans Petter Selasky usleep_range(5000, 10000); 263dc7e38acSHans Petter Selasky } while (time_before(jiffies, poll_end)); 264dc7e38acSHans Petter Selasky 265dc7e38acSHans Petter Selasky ent->ret = -ETIMEDOUT; 266dc7e38acSHans Petter Selasky } 267dc7e38acSHans Petter Selasky 268dc7e38acSHans Petter Selasky static void free_cmd(struct mlx5_cmd_work_ent *ent) 269dc7e38acSHans Petter Selasky { 27011546d06SHans Petter Selasky cancel_delayed_work_sync(&ent->cb_timeout_work); 271dc7e38acSHans Petter Selasky kfree(ent); 272dc7e38acSHans Petter Selasky } 273dc7e38acSHans Petter Selasky 2741c807f67SHans Petter Selasky static int 2751c807f67SHans Petter Selasky verify_signature(struct mlx5_cmd_work_ent *ent) 276dc7e38acSHans Petter Selasky { 2771c807f67SHans Petter Selasky struct mlx5_cmd_msg *msg = ent->out; 2781c807f67SHans Petter Selasky size_t i; 279dc7e38acSHans Petter Selasky int err; 280dc7e38acSHans Petter Selasky u8 sig; 281dc7e38acSHans Petter Selasky 282dc7e38acSHans Petter Selasky sig = xor8_buf(ent->lay, sizeof(*ent->lay)); 283dc7e38acSHans Petter Selasky if (sig != 0xff) 284dc7e38acSHans Petter Selasky return -EINVAL; 285dc7e38acSHans Petter Selasky 2861c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 2871c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 288dc7e38acSHans Petter Selasky 2891c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 2901c807f67SHans Petter Selasky 2911c807f67SHans Petter Selasky /* compute signature */ 2921c807f67SHans Petter Selasky err = verify_block_sig(block); 2931c807f67SHans Petter Selasky if (err != 0) 2941c807f67SHans Petter Selasky return (err); 2951c807f67SHans Petter Selasky 2961c807f67SHans Petter Selasky /* check for last block */ 2971c807f67SHans Petter Selasky if (block->next == 0) 2981c807f67SHans Petter Selasky break; 299dc7e38acSHans Petter Selasky } 3001c807f67SHans Petter Selasky return (0); 301dc7e38acSHans Petter Selasky } 302dc7e38acSHans Petter Selasky 303dc7e38acSHans Petter Selasky static void dump_buf(void *buf, int size, int data_only, int offset) 304dc7e38acSHans Petter Selasky { 305dc7e38acSHans Petter Selasky __be32 *p = buf; 306dc7e38acSHans Petter Selasky int i; 307dc7e38acSHans Petter Selasky 308dc7e38acSHans Petter Selasky for (i = 0; i < size; i += 16) { 309dc7e38acSHans Petter Selasky pr_debug("%03x: %08x %08x %08x %08x\n", offset, be32_to_cpu(p[0]), 310dc7e38acSHans Petter Selasky be32_to_cpu(p[1]), be32_to_cpu(p[2]), 311dc7e38acSHans Petter Selasky be32_to_cpu(p[3])); 312dc7e38acSHans Petter Selasky p += 4; 313dc7e38acSHans Petter Selasky offset += 16; 314dc7e38acSHans Petter Selasky } 315dc7e38acSHans Petter Selasky if (!data_only) 316dc7e38acSHans Petter Selasky pr_debug("\n"); 317dc7e38acSHans Petter Selasky } 318dc7e38acSHans Petter Selasky 319a2485fe5SHans Petter Selasky enum { 320a2485fe5SHans Petter Selasky MLX5_DRIVER_STATUS_ABORTED = 0xfe, 321a2485fe5SHans Petter Selasky MLX5_DRIVER_SYND = 0xbadd00de, 322a2485fe5SHans Petter Selasky }; 323a2485fe5SHans Petter Selasky 324a2485fe5SHans Petter Selasky static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, 325a2485fe5SHans Petter Selasky u32 *synd, u8 *status) 326a2485fe5SHans Petter Selasky { 327a2485fe5SHans Petter Selasky *synd = 0; 328a2485fe5SHans Petter Selasky *status = 0; 329a2485fe5SHans Petter Selasky 330a2485fe5SHans Petter Selasky switch (op) { 331a2485fe5SHans Petter Selasky case MLX5_CMD_OP_TEARDOWN_HCA: 332a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DISABLE_HCA: 333a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MANAGE_PAGES: 334a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_MKEY: 335a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_EQ: 336a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_CQ: 337a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_QP: 338a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_PSV: 339a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SRQ: 340a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_XRC_SRQ: 341a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_DCT: 342a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_Q_COUNTER: 343a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_PD: 344a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_UAR: 345a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DETACH_FROM_MCG: 346a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_XRCD: 347a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN: 348a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT: 349a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY: 350a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIR: 351a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_SQ: 352a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQ: 353a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RMP: 354a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_TIS: 355a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_RQT: 356a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_TABLE: 357a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DESTROY_FLOW_GROUP: 358a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY: 359a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2ERR_QP: 360a2485fe5SHans Petter Selasky case MLX5_CMD_OP_2RST_QP: 361a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT: 362a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_FLOW_TABLE: 363a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: 364a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_FLOW_TABLE_ROOT: 365a2485fe5SHans Petter Selasky return MLX5_CMD_STAT_OK; 366a2485fe5SHans Petter Selasky 367a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_CAP: 368a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ADAPTER: 369a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT_HCA: 370a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ENABLE_HCA: 371a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_PAGES: 372a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_HCA_CAP: 373a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ISSI: 374a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ISSI: 375a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_MKEY: 376a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MKEY: 377a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS: 378a2485fe5SHans Petter Selasky case MLX5_CMD_OP_PAGE_FAULT_RESUME: 379a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_EQ: 380a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_EQ: 381a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GEN_EQE: 382a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_CQ: 383a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CQ: 384a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CQ: 385a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_QP: 386a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RST2INIT_QP: 387a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2RTR_QP: 388a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTR2RTS_QP: 389a2485fe5SHans Petter Selasky case MLX5_CMD_OP_RTS2RTS_QP: 390a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQERR2RTS_QP: 391a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_QP: 392a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SQD_RTS_QP: 393a2485fe5SHans Petter Selasky case MLX5_CMD_OP_INIT2INIT_QP: 394a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_PSV: 395a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SRQ: 396a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SRQ: 397a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_RQ: 398a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_XRC_SRQ: 399a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_XRC_SRQ: 400a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_XRC_SRQ: 401a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_DCT: 402a2485fe5SHans Petter Selasky case MLX5_CMD_OP_DRAIN_DCT: 403a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_DCT: 404a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: 405a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_STATE: 406a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_VPORT_STATE: 407a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: 408a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT: 409a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: 410a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: 411a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_ROCE_ADDRESS: 412a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: 413a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT: 414a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_GID: 415a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY: 416a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_VPORT_COUNTER: 417a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_Q_COUNTER: 418a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_Q_COUNTER: 419a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_PD: 420a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_UAR: 421a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CONFIG_INT_MODERATION: 422a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ACCESS_REG: 423a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ATTACH_TO_MCG: 424a2485fe5SHans Petter Selasky case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: 425a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MAD_IFC: 426a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_MAD_DEMUX: 427a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_MAD_DEMUX: 428a2485fe5SHans Petter Selasky case MLX5_CMD_OP_NOP: 429a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_XRCD: 430a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: 431a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATUS: 432a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_STATUS: 433a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_PARAMS: 434a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_CONG_PARAMS: 435a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_CONG_STATISTICS: 436a2485fe5SHans Petter Selasky case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: 437a2485fe5SHans Petter Selasky case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: 438a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: 439a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIR: 440a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIR: 441a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIR: 442a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_SQ: 443a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_SQ: 444a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_SQ: 445a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQ: 446a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQ: 447a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQ: 448a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RMP: 449a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RMP: 450a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RMP: 451a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_TIS: 452a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_TIS: 453a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_TIS: 454a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_RQT: 455a2485fe5SHans Petter Selasky case MLX5_CMD_OP_MODIFY_RQT: 456a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_RQT: 457a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_TABLE: 458a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE: 459a2485fe5SHans Petter Selasky case MLX5_CMD_OP_CREATE_FLOW_GROUP: 460a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_GROUP: 461a2485fe5SHans Petter Selasky case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: 462a2485fe5SHans Petter Selasky *status = MLX5_DRIVER_STATUS_ABORTED; 463a2485fe5SHans Petter Selasky *synd = MLX5_DRIVER_SYND; 464a2485fe5SHans Petter Selasky return -EIO; 465a2485fe5SHans Petter Selasky default: 466a2485fe5SHans Petter Selasky mlx5_core_err(dev, "Unknown FW command (%d)\n", op); 467a2485fe5SHans Petter Selasky return -EINVAL; 468a2485fe5SHans Petter Selasky } 469a2485fe5SHans Petter Selasky } 470a2485fe5SHans Petter Selasky 471dc7e38acSHans Petter Selasky const char *mlx5_command_str(int command) 472dc7e38acSHans Petter Selasky { 473ee1b5c58SHans Petter Selasky #define MLX5_COMMAND_STR_CASE(__cmd) case MLX5_CMD_OP_ ## __cmd: return #__cmd 474ee1b5c58SHans Petter Selasky 475dc7e38acSHans Petter Selasky switch (command) { 476ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_CAP); 477ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_HCA_CAP); 478ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ADAPTER); 479ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT_HCA); 480ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(TEARDOWN_HCA); 481ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ENABLE_HCA); 482ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DISABLE_HCA); 483ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_PAGES); 484ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MANAGE_PAGES); 485ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ISSI); 486ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ISSI); 487ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_MKEY); 488ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MKEY); 489ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_MKEY); 490ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SPECIAL_CONTEXTS); 491ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(PAGE_FAULT_RESUME); 492ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_EQ); 493ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_EQ); 494ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_EQ); 495ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GEN_EQE); 496ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_CQ); 497ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_CQ); 498ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CQ); 499ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CQ); 500ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_QP); 501ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_QP); 502ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RST2INIT_QP); 503ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2RTR_QP); 504ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTR2RTS_QP); 505ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(RTS2RTS_QP); 506ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQERR2RTS_QP); 507ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2ERR_QP); 508ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(2RST_QP); 509ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_QP); 510ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SQD_RTS_QP); 511ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MAD_IFC); 512ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(INIT2INIT_QP); 513ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_PSV); 514ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_PSV); 515ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SRQ); 516ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SRQ); 517ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SRQ); 518ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_RQ); 519ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_XRC_SRQ); 520ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_XRC_SRQ); 521ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_XRC_SRQ); 522ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_XRC_SRQ); 523ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_DCT); 524ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DC_CNAK_TRACE); 525ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_DCT); 526ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DRAIN_DCT); 527ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DCT); 528ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ARM_DCT_FOR_KEY_VIOLATION); 529ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_STATE); 530ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_VPORT_STATE); 531ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ESW_VPORT_CONTEXT); 532ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_ESW_VPORT_CONTEXT); 533ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_NIC_VPORT_CONTEXT); 534ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_NIC_VPORT_CONTEXT); 535ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_ROCE_ADDRESS); 536ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_ROCE_ADDRESS); 537ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_CONTEXT); 538ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_HCA_VPORT_CONTEXT); 539ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_GID); 540ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_HCA_VPORT_PKEY); 541ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_VPORT_COUNTER); 542ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_WOL_ROL); 543ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_WOL_ROL); 544ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER); 545ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER); 546ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER); 547ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_PD); 548ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_PD); 549ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_UAR); 550ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_UAR); 551ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CONFIG_INT_MODERATION); 552ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ATTACH_TO_MCG); 553ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DETACH_FROM_MCG); 554ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(GET_DROPPED_PACKET_LOG); 555ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_MAD_DEMUX); 556ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_MAD_DEMUX); 557ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(NOP); 558ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_XRCD); 559ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_XRCD); 560ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ALLOC_TRANSPORT_DOMAIN); 561ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DEALLOC_TRANSPORT_DOMAIN); 562ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATUS); 563ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_STATUS); 564ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_PARAMS); 565ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_CONG_PARAMS); 566ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_CONG_STATISTICS); 567ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ADD_VXLAN_UDP_DPORT); 568ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_VXLAN_UDP_DPORT); 569ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_L2_TABLE_ENTRY); 570ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_L2_TABLE_ENTRY); 571ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_L2_TABLE_ENTRY); 572ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RMP); 573ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RMP); 574ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RMP); 575ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RMP); 576ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQT); 577ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQT); 578ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQT); 579ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQT); 580ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(ACCESS_REG); 581ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_SQ); 582ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_SQ); 583ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_SQ); 584ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_SQ); 585ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_RQ); 586ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_RQ); 587ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_RQ); 588ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_RQ); 589ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIR); 590ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIR); 591ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIR); 592ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIR); 593ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_TIS); 594ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(MODIFY_TIS); 595ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_TIS); 596ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_TIS); 597ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_TABLE); 598ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_TABLE); 599ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE); 600ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(CREATE_FLOW_GROUP); 601ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DESTROY_FLOW_GROUP); 602ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_GROUP); 603ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_FLOW_TABLE_ENTRY); 604ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_FLOW_TABLE_ENTRY); 605ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(DELETE_FLOW_TABLE_ENTRY); 606ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(SET_DIAGNOSTICS); 607ee1b5c58SHans Petter Selasky MLX5_COMMAND_STR_CASE(QUERY_DIAGNOSTICS); 608dc7e38acSHans Petter Selasky default: return "unknown command opcode"; 609dc7e38acSHans Petter Selasky } 610dc7e38acSHans Petter Selasky } 611dc7e38acSHans Petter Selasky 612788333d9SHans Petter Selasky static const char *cmd_status_str(u8 status) 613788333d9SHans Petter Selasky { 614788333d9SHans Petter Selasky switch (status) { 615788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: 616788333d9SHans Petter Selasky return "OK"; 617788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: 618788333d9SHans Petter Selasky return "internal error"; 619788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: 620788333d9SHans Petter Selasky return "bad operation"; 621788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: 622788333d9SHans Petter Selasky return "bad parameter"; 623788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: 624788333d9SHans Petter Selasky return "bad system state"; 625788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: 626788333d9SHans Petter Selasky return "bad resource"; 627788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: 628788333d9SHans Petter Selasky return "resource busy"; 629788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: 630788333d9SHans Petter Selasky return "limits exceeded"; 631788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: 632788333d9SHans Petter Selasky return "bad resource state"; 633788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: 634788333d9SHans Petter Selasky return "bad index"; 635788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: 636788333d9SHans Petter Selasky return "no resources"; 637788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: 638788333d9SHans Petter Selasky return "bad input length"; 639788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: 640788333d9SHans Petter Selasky return "bad output length"; 641788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: 642788333d9SHans Petter Selasky return "bad QP state"; 643788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: 644788333d9SHans Petter Selasky return "bad packet (discarded)"; 645788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: 646788333d9SHans Petter Selasky return "bad size too many outstanding CQEs"; 647788333d9SHans Petter Selasky default: 648788333d9SHans Petter Selasky return "unknown status"; 649788333d9SHans Petter Selasky } 650788333d9SHans Petter Selasky } 651788333d9SHans Petter Selasky 652788333d9SHans Petter Selasky static int cmd_status_to_err_helper(u8 status) 653788333d9SHans Petter Selasky { 654788333d9SHans Petter Selasky switch (status) { 655788333d9SHans Petter Selasky case MLX5_CMD_STAT_OK: return 0; 656788333d9SHans Petter Selasky case MLX5_CMD_STAT_INT_ERR: return -EIO; 657788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OP_ERR: return -EINVAL; 658788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PARAM_ERR: return -EINVAL; 659788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SYS_STATE_ERR: return -EIO; 660788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_ERR: return -EINVAL; 661788333d9SHans Petter Selasky case MLX5_CMD_STAT_RES_BUSY: return -EBUSY; 662788333d9SHans Petter Selasky case MLX5_CMD_STAT_LIM_ERR: return -ENOMEM; 663788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_RES_STATE_ERR: return -EINVAL; 664788333d9SHans Petter Selasky case MLX5_CMD_STAT_IX_ERR: return -EINVAL; 665788333d9SHans Petter Selasky case MLX5_CMD_STAT_NO_RES_ERR: return -EAGAIN; 666788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_INP_LEN_ERR: return -EIO; 667788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_OUTP_LEN_ERR: return -EIO; 668788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_QP_STATE_ERR: return -EINVAL; 669788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_PKT_ERR: return -EINVAL; 670788333d9SHans Petter Selasky case MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR: return -EINVAL; 671788333d9SHans Petter Selasky default: return -EIO; 672788333d9SHans Petter Selasky } 673788333d9SHans Petter Selasky } 674788333d9SHans Petter Selasky 675788333d9SHans Petter Selasky void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome) 676788333d9SHans Petter Selasky { 677788333d9SHans Petter Selasky *status = MLX5_GET(mbox_out, out, status); 678788333d9SHans Petter Selasky *syndrome = MLX5_GET(mbox_out, out, syndrome); 679788333d9SHans Petter Selasky } 680788333d9SHans Petter Selasky 681788333d9SHans Petter Selasky static int mlx5_cmd_check(struct mlx5_core_dev *dev, void *in, void *out) 682788333d9SHans Petter Selasky { 683788333d9SHans Petter Selasky u32 syndrome; 684788333d9SHans Petter Selasky u8 status; 685788333d9SHans Petter Selasky u16 opcode; 686788333d9SHans Petter Selasky u16 op_mod; 687788333d9SHans Petter Selasky 688788333d9SHans Petter Selasky mlx5_cmd_mbox_status(out, &status, &syndrome); 689788333d9SHans Petter Selasky if (!status) 690788333d9SHans Petter Selasky return 0; 691788333d9SHans Petter Selasky 692788333d9SHans Petter Selasky opcode = MLX5_GET(mbox_in, in, opcode); 693788333d9SHans Petter Selasky op_mod = MLX5_GET(mbox_in, in, op_mod); 694788333d9SHans Petter Selasky 695788333d9SHans Petter Selasky mlx5_core_err(dev, 696788333d9SHans Petter Selasky "%s(0x%x) op_mod(0x%x) failed, status %s(0x%x), syndrome (0x%x)\n", 697788333d9SHans Petter Selasky mlx5_command_str(opcode), 698788333d9SHans Petter Selasky opcode, op_mod, 699788333d9SHans Petter Selasky cmd_status_str(status), 700788333d9SHans Petter Selasky status, 701788333d9SHans Petter Selasky syndrome); 702788333d9SHans Petter Selasky 703788333d9SHans Petter Selasky return cmd_status_to_err_helper(status); 704788333d9SHans Petter Selasky } 705788333d9SHans Petter Selasky 706dc7e38acSHans Petter Selasky static void dump_command(struct mlx5_core_dev *dev, 707dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent, int input) 708dc7e38acSHans Petter Selasky { 709dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = input ? ent->in : ent->out; 710788333d9SHans Petter Selasky u16 op = MLX5_GET(mbox_in, ent->lay->in, opcode); 7111c807f67SHans Petter Selasky size_t i; 712dc7e38acSHans Petter Selasky int data_only; 7131c807f67SHans Petter Selasky int offset = 0; 7141c807f67SHans Petter Selasky int msg_len = input ? ent->uin_size : ent->uout_size; 715dc7e38acSHans Petter Selasky int dump_len; 716dc7e38acSHans Petter Selasky 717dc7e38acSHans Petter Selasky data_only = !!(mlx5_core_debug_mask & (1 << MLX5_CMD_DATA)); 718dc7e38acSHans Petter Selasky 719dc7e38acSHans Petter Selasky if (data_only) 720dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_DATA, 721dc7e38acSHans Petter Selasky "dump command data %s(0x%x) %s\n", 722dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 723dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 724dc7e38acSHans Petter Selasky else 725dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "dump command %s(0x%x) %s\n", 726dc7e38acSHans Petter Selasky mlx5_command_str(op), op, 727dc7e38acSHans Petter Selasky input ? "INPUT" : "OUTPUT"); 728dc7e38acSHans Petter Selasky 729dc7e38acSHans Petter Selasky if (data_only) { 730dc7e38acSHans Petter Selasky if (input) { 731dc7e38acSHans Petter Selasky dump_buf(ent->lay->in, sizeof(ent->lay->in), 1, offset); 732dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->in); 733dc7e38acSHans Petter Selasky } else { 734dc7e38acSHans Petter Selasky dump_buf(ent->lay->out, sizeof(ent->lay->out), 1, offset); 735dc7e38acSHans Petter Selasky offset += sizeof(ent->lay->out); 736dc7e38acSHans Petter Selasky } 737dc7e38acSHans Petter Selasky } else { 738dc7e38acSHans Petter Selasky dump_buf(ent->lay, sizeof(*ent->lay), 0, offset); 739dc7e38acSHans Petter Selasky offset += sizeof(*ent->lay); 740dc7e38acSHans Petter Selasky } 741dc7e38acSHans Petter Selasky 7421c807f67SHans Petter Selasky for (i = 0; i != (msg->numpages * MLX5_NUM_CMDS_IN_ADAPTER_PAGE); i++) { 7431c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 7441c807f67SHans Petter Selasky 7451c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 7461c807f67SHans Petter Selasky 747dc7e38acSHans Petter Selasky if (data_only) { 7481c807f67SHans Petter Selasky if (offset >= msg_len) 7491c807f67SHans Petter Selasky break; 7501c807f67SHans Petter Selasky dump_len = min_t(int, 7511c807f67SHans Petter Selasky MLX5_CMD_DATA_BLOCK_SIZE, msg_len - offset); 7521c807f67SHans Petter Selasky 7531c807f67SHans Petter Selasky dump_buf(block->data, dump_len, 1, offset); 754dc7e38acSHans Petter Selasky offset += MLX5_CMD_DATA_BLOCK_SIZE; 755dc7e38acSHans Petter Selasky } else { 756dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "command block:\n"); 7571c807f67SHans Petter Selasky dump_buf(block, sizeof(*block), 0, offset); 7581c807f67SHans Petter Selasky offset += sizeof(*block); 759dc7e38acSHans Petter Selasky } 7601c807f67SHans Petter Selasky 7611c807f67SHans Petter Selasky /* check for last block */ 7621c807f67SHans Petter Selasky if (block->next == 0) 7631c807f67SHans Petter Selasky break; 764dc7e38acSHans Petter Selasky } 765dc7e38acSHans Petter Selasky 766dc7e38acSHans Petter Selasky if (data_only) 767dc7e38acSHans Petter Selasky pr_debug("\n"); 768dc7e38acSHans Petter Selasky } 769dc7e38acSHans Petter Selasky 77011546d06SHans Petter Selasky static u16 msg_to_opcode(struct mlx5_cmd_msg *in) 77111546d06SHans Petter Selasky { 772788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in->first.data, opcode); 77311546d06SHans Petter Selasky } 77411546d06SHans Petter Selasky 77511546d06SHans Petter Selasky static void cb_timeout_handler(struct work_struct *work) 77611546d06SHans Petter Selasky { 77711546d06SHans Petter Selasky struct delayed_work *dwork = container_of(work, struct delayed_work, 77811546d06SHans Petter Selasky work); 77911546d06SHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(dwork, 78011546d06SHans Petter Selasky struct mlx5_cmd_work_ent, 78111546d06SHans Petter Selasky cb_timeout_work); 78211546d06SHans Petter Selasky struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, 78311546d06SHans Petter Selasky cmd); 78411546d06SHans Petter Selasky 78511546d06SHans Petter Selasky ent->ret = -ETIMEDOUT; 78611546d06SHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 78711546d06SHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 78811546d06SHans Petter Selasky msg_to_opcode(ent->in)); 78911546d06SHans Petter Selasky mlx5_cmd_comp_handler(dev, 1UL << ent->idx); 79011546d06SHans Petter Selasky } 79111546d06SHans Petter Selasky 7928e7e0ce1SHans Petter Selasky static void complete_command(struct mlx5_cmd_work_ent *ent) 7938e7e0ce1SHans Petter Selasky { 7948e7e0ce1SHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 7958e7e0ce1SHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, 7968e7e0ce1SHans Petter Selasky cmd); 797f361e561SHans Petter Selasky mlx5_cmd_cbk_t callback; 798f361e561SHans Petter Selasky void *context; 799f361e561SHans Petter Selasky 8008e7e0ce1SHans Petter Selasky s64 ds; 8018e7e0ce1SHans Petter Selasky struct mlx5_cmd_stats *stats; 8028e7e0ce1SHans Petter Selasky unsigned long flags; 8038e7e0ce1SHans Petter Selasky int err; 8048e7e0ce1SHans Petter Selasky struct semaphore *sem; 8058e7e0ce1SHans Petter Selasky 8068e7e0ce1SHans Petter Selasky if (ent->page_queue) 8078e7e0ce1SHans Petter Selasky sem = &cmd->pages_sem; 8088e7e0ce1SHans Petter Selasky else 8098e7e0ce1SHans Petter Selasky sem = &cmd->sem; 8108e7e0ce1SHans Petter Selasky 81130dfc051SHans Petter Selasky if (dev->state != MLX5_DEVICE_STATE_UP) { 812788333d9SHans Petter Selasky u8 status = 0; 813788333d9SHans Petter Selasky u32 drv_synd; 81430dfc051SHans Petter Selasky 815788333d9SHans Petter Selasky ent->ret = mlx5_internal_err_ret_value(dev, msg_to_opcode(ent->in), &drv_synd, &status); 816788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, status, status); 817788333d9SHans Petter Selasky MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); 81830dfc051SHans Petter Selasky } 81930dfc051SHans Petter Selasky 8208e7e0ce1SHans Petter Selasky if (ent->callback) { 8218e7e0ce1SHans Petter Selasky ds = ent->ts2 - ent->ts1; 8228e7e0ce1SHans Petter Selasky if (ent->op < ARRAY_SIZE(cmd->stats)) { 8238e7e0ce1SHans Petter Selasky stats = &cmd->stats[ent->op]; 8248e7e0ce1SHans Petter Selasky spin_lock_irqsave(&stats->lock, flags); 8258e7e0ce1SHans Petter Selasky stats->sum += ds; 8268e7e0ce1SHans Petter Selasky ++stats->n; 8278e7e0ce1SHans Petter Selasky spin_unlock_irqrestore(&stats->lock, flags); 8288e7e0ce1SHans Petter Selasky } 8298e7e0ce1SHans Petter Selasky 830f361e561SHans Petter Selasky callback = ent->callback; 831f361e561SHans Petter Selasky context = ent->context; 8328e7e0ce1SHans Petter Selasky err = ent->ret; 833788333d9SHans Petter Selasky if (!err) { 8348e7e0ce1SHans Petter Selasky err = mlx5_copy_from_msg(ent->uout, 8358e7e0ce1SHans Petter Selasky ent->out, 8368e7e0ce1SHans Petter Selasky ent->uout_size); 837788333d9SHans Petter Selasky err = err ? err : mlx5_cmd_check(dev, 838788333d9SHans Petter Selasky ent->in->first.data, 839788333d9SHans Petter Selasky ent->uout); 840788333d9SHans Petter Selasky } 8418e7e0ce1SHans Petter Selasky 8428e7e0ce1SHans Petter Selasky mlx5_free_cmd_msg(dev, ent->out); 8438e7e0ce1SHans Petter Selasky free_msg(dev, ent->in); 8448e7e0ce1SHans Petter Selasky 845a2485fe5SHans Petter Selasky err = err ? err : ent->status; 8468e7e0ce1SHans Petter Selasky free_cmd(ent); 847f361e561SHans Petter Selasky callback(err, context); 8488e7e0ce1SHans Petter Selasky } else { 8498e7e0ce1SHans Petter Selasky complete(&ent->done); 8508e7e0ce1SHans Petter Selasky } 8518e7e0ce1SHans Petter Selasky up(sem); 8528e7e0ce1SHans Petter Selasky } 8538e7e0ce1SHans Petter Selasky 854dc7e38acSHans Petter Selasky static void cmd_work_handler(struct work_struct *work) 855dc7e38acSHans Petter Selasky { 856dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); 857dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = ent->cmd; 858dc7e38acSHans Petter Selasky struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); 85911546d06SHans Petter Selasky unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 860dc7e38acSHans Petter Selasky struct mlx5_cmd_layout *lay; 861dc7e38acSHans Petter Selasky struct semaphore *sem; 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(); 899dc7e38acSHans Petter Selasky /* if not in polling don't use ent after this point*/ 900dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 901dc7e38acSHans Petter Selasky poll_timeout(ent); 902dc7e38acSHans Petter Selasky /* make sure we read the descriptor after ownership is SW */ 903d0ce5a0dSHans Petter Selasky mlx5_cmd_comp_handler(dev, 1U << ent->idx); 904dc7e38acSHans Petter Selasky } 905dc7e38acSHans Petter Selasky } 906dc7e38acSHans Petter Selasky 907dc7e38acSHans Petter Selasky static const char *deliv_status_to_str(u8 status) 908dc7e38acSHans Petter Selasky { 909dc7e38acSHans Petter Selasky switch (status) { 910dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OK: 911dc7e38acSHans Petter Selasky return "no errors"; 912dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_SIGNAT_ERR: 913dc7e38acSHans Petter Selasky return "signature error"; 914dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_TOK_ERR: 915dc7e38acSHans Petter Selasky return "token error"; 916dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_BAD_BLK_NUM_ERR: 917dc7e38acSHans Petter Selasky return "bad block number"; 918dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_PTR_ALIGN_ERR: 919dc7e38acSHans Petter Selasky return "output pointer not aligned to block size"; 920dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_PTR_ALIGN_ERR: 921dc7e38acSHans Petter Selasky return "input pointer not aligned to block size"; 922dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_FW_ERR: 923dc7e38acSHans Petter Selasky return "firmware internal error"; 924dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_IN_LENGTH_ERR: 925dc7e38acSHans Petter Selasky return "command input length error"; 926dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_OUT_LENGTH_ERR: 927dc7e38acSHans Petter Selasky return "command ouput length error"; 928dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_RES_FLD_NOT_CLR_ERR: 929dc7e38acSHans Petter Selasky return "reserved fields not cleared"; 930dc7e38acSHans Petter Selasky case MLX5_CMD_DELIVERY_STAT_CMD_DESCR_ERR: 931dc7e38acSHans Petter Selasky return "bad command descriptor type"; 932dc7e38acSHans Petter Selasky default: 933dc7e38acSHans Petter Selasky return "unknown status code"; 934dc7e38acSHans Petter Selasky } 935dc7e38acSHans Petter Selasky } 936dc7e38acSHans Petter Selasky 937dc7e38acSHans Petter Selasky static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) 938dc7e38acSHans Petter Selasky { 939dc7e38acSHans Petter Selasky int timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); 940dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 941dc7e38acSHans Petter Selasky int err; 942dc7e38acSHans Petter Selasky 943dc7e38acSHans Petter Selasky if (cmd->mode == CMD_MODE_POLLING) { 944dc7e38acSHans Petter Selasky wait_for_completion(&ent->done); 945dc7e38acSHans Petter Selasky err = ent->ret; 9462327a753SHans Petter Selasky } else if (!wait_for_completion_timeout(&ent->done, timeout)) { 9472327a753SHans Petter Selasky ent->ret = -ETIMEDOUT; 9482327a753SHans Petter Selasky mlx5_cmd_comp_handler(dev, 1UL << ent->idx); 949dc7e38acSHans Petter Selasky } 95030dfc051SHans Petter Selasky 9512327a753SHans Petter Selasky err = ent->ret; 9522327a753SHans Petter Selasky 953dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) { 954dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", 955dc7e38acSHans Petter Selasky mlx5_command_str(msg_to_opcode(ent->in)), 956dc7e38acSHans Petter Selasky msg_to_opcode(ent->in)); 957dc7e38acSHans Petter Selasky } 958dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", 959dc7e38acSHans Petter Selasky err, deliv_status_to_str(ent->status), ent->status); 960dc7e38acSHans Petter Selasky 961dc7e38acSHans Petter Selasky return err; 962dc7e38acSHans Petter Selasky } 963dc7e38acSHans Petter Selasky 964dc7e38acSHans Petter Selasky /* Notes: 965dc7e38acSHans Petter Selasky * 1. Callback functions may not sleep 966dc7e38acSHans Petter Selasky * 2. page queue commands do not support asynchrous completion 967dc7e38acSHans Petter Selasky */ 968dc7e38acSHans Petter Selasky static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, 9691c807f67SHans Petter Selasky int uin_size, 970dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *out, void *uout, int uout_size, 971dc7e38acSHans Petter Selasky mlx5_cmd_cbk_t callback, 972dc7e38acSHans Petter Selasky void *context, int page_queue, u8 *status) 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 989dc7e38acSHans Petter Selasky if (!callback) 990dc7e38acSHans Petter Selasky init_completion(&ent->done); 991dc7e38acSHans Petter Selasky 99211546d06SHans Petter Selasky INIT_DELAYED_WORK(&ent->cb_timeout_work, cb_timeout_handler); 993dc7e38acSHans Petter Selasky INIT_WORK(&ent->work, cmd_work_handler); 994dc7e38acSHans Petter Selasky if (page_queue) { 995dc7e38acSHans Petter Selasky cmd_work_handler(&ent->work); 996dc7e38acSHans Petter Selasky } else if (!queue_work(cmd->wq, &ent->work)) { 997dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "failed to queue work\n"); 998dc7e38acSHans Petter Selasky err = -ENOMEM; 999dc7e38acSHans Petter Selasky goto out_free; 1000dc7e38acSHans Petter Selasky } 1001dc7e38acSHans Petter Selasky 10022327a753SHans Petter Selasky if (callback) 10032327a753SHans Petter Selasky goto out; 10042327a753SHans Petter Selasky 1005dc7e38acSHans Petter Selasky err = wait_func(dev, ent); 1006dc7e38acSHans Petter Selasky if (err == -ETIMEDOUT) 1007dc7e38acSHans Petter Selasky goto out; 1008dc7e38acSHans Petter Selasky 1009dc7e38acSHans Petter Selasky ds = ent->ts2 - ent->ts1; 1010788333d9SHans Petter Selasky op = MLX5_GET(mbox_in, in->first.data, opcode); 1011dc7e38acSHans Petter Selasky if (op < ARRAY_SIZE(cmd->stats)) { 1012dc7e38acSHans Petter Selasky stats = &cmd->stats[op]; 1013dc7e38acSHans Petter Selasky spin_lock_irq(&stats->lock); 1014dc7e38acSHans Petter Selasky stats->sum += ds; 1015dc7e38acSHans Petter Selasky ++stats->n; 1016dc7e38acSHans Petter Selasky spin_unlock_irq(&stats->lock); 1017dc7e38acSHans Petter Selasky } 1018dc7e38acSHans Petter Selasky mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, 1019dc7e38acSHans Petter Selasky "fw exec time for %s is %lld nsec\n", 1020dc7e38acSHans Petter Selasky mlx5_command_str(op), (long long)ds); 1021dc7e38acSHans Petter Selasky *status = ent->status; 1022dc7e38acSHans Petter Selasky free_cmd(ent); 1023dc7e38acSHans Petter Selasky 1024dc7e38acSHans Petter Selasky return err; 1025dc7e38acSHans Petter Selasky 1026dc7e38acSHans Petter Selasky out_free: 1027dc7e38acSHans Petter Selasky free_cmd(ent); 1028dc7e38acSHans Petter Selasky out: 1029dc7e38acSHans Petter Selasky return err; 1030dc7e38acSHans Petter Selasky } 1031dc7e38acSHans Petter Selasky 10321c807f67SHans Petter Selasky static int mlx5_copy_to_msg(struct mlx5_cmd_msg *to, void *from, size_t size) 1033dc7e38acSHans Petter Selasky { 10341c807f67SHans Petter Selasky size_t delta; 10351c807f67SHans Petter Selasky size_t i; 10361c807f67SHans Petter Selasky 10371c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10381c807f67SHans Petter Selasky return (-ENOMEM); 10391c807f67SHans Petter Selasky 10401c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(to->first.data)); 10411c807f67SHans Petter Selasky memcpy(to->first.data, from, delta); 10421c807f67SHans Petter Selasky from = (char *)from + delta; 10431c807f67SHans Petter Selasky size -= delta; 10441c807f67SHans Petter Selasky 10451c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1046dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1047dc7e38acSHans Petter Selasky 10481c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(to, i * MLX5_CMD_MBOX_SIZE); 1049dc7e38acSHans Petter Selasky 10501c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10511c807f67SHans Petter Selasky memcpy(block->data, from, delta); 10521c807f67SHans Petter Selasky from = (char *)from + delta; 10531c807f67SHans Petter Selasky size -= delta; 1054dc7e38acSHans Petter Selasky } 10551c807f67SHans Petter Selasky return (0); 1056dc7e38acSHans Petter Selasky } 1057dc7e38acSHans Petter Selasky 1058dc7e38acSHans Petter Selasky static int mlx5_copy_from_msg(void *to, struct mlx5_cmd_msg *from, int size) 1059dc7e38acSHans Petter Selasky { 10601c807f67SHans Petter Selasky size_t delta; 10611c807f67SHans Petter Selasky size_t i; 10621c807f67SHans Petter Selasky 10631c807f67SHans Petter Selasky if (to == NULL || from == NULL) 10641c807f67SHans Petter Selasky return (-ENOMEM); 10651c807f67SHans Petter Selasky 10661c807f67SHans Petter Selasky delta = min_t(size_t, size, sizeof(from->first.data)); 10671c807f67SHans Petter Selasky memcpy(to, from->first.data, delta); 10681c807f67SHans Petter Selasky to = (char *)to + delta; 10691c807f67SHans Petter Selasky size -= delta; 10701c807f67SHans Petter Selasky 10711c807f67SHans Petter Selasky for (i = 0; size != 0; i++) { 1072dc7e38acSHans Petter Selasky struct mlx5_cmd_prot_block *block; 1073dc7e38acSHans Petter Selasky 10741c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(from, i * MLX5_CMD_MBOX_SIZE); 1075dc7e38acSHans Petter Selasky 10761c807f67SHans Petter Selasky delta = min_t(size_t, size, MLX5_CMD_DATA_BLOCK_SIZE); 10771c807f67SHans Petter Selasky memcpy(to, block->data, delta); 10781c807f67SHans Petter Selasky to = (char *)to + delta; 10791c807f67SHans Petter Selasky size -= delta; 10801c807f67SHans Petter Selasky } 10811c807f67SHans Petter Selasky return (0); 1082dc7e38acSHans Petter Selasky } 1083dc7e38acSHans Petter Selasky 10841c807f67SHans Petter Selasky static struct mlx5_cmd_msg * 10851c807f67SHans Petter Selasky mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev, gfp_t flags, size_t size) 1086dc7e38acSHans Petter Selasky { 1087dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 10881c807f67SHans Petter Selasky size_t blen; 10891c807f67SHans Petter Selasky size_t n; 10901c807f67SHans Petter Selasky size_t i; 1091dc7e38acSHans Petter Selasky 10921c807f67SHans Petter Selasky blen = size - min_t(size_t, sizeof(msg->first.data), size); 10931c807f67SHans Petter Selasky n = howmany(blen, MLX5_CMD_DATA_BLOCK_SIZE); 1094dc7e38acSHans Petter Selasky 10951c807f67SHans Petter Selasky msg = mlx5_fwp_alloc(dev, flags, howmany(n, MLX5_NUM_CMDS_IN_ADAPTER_PAGE)); 10961c807f67SHans Petter Selasky if (msg == NULL) 10971c807f67SHans Petter Selasky return (ERR_PTR(-ENOMEM)); 1098dc7e38acSHans Petter Selasky 10991c807f67SHans Petter Selasky for (i = 0; i != n; i++) { 11001c807f67SHans Petter Selasky struct mlx5_cmd_prot_block *block; 11011c807f67SHans Petter Selasky 11021c807f67SHans Petter Selasky block = mlx5_fwp_get_virt(msg, i * MLX5_CMD_MBOX_SIZE); 11031c807f67SHans Petter Selasky 11041c807f67SHans Petter Selasky memset(block, 0, MLX5_CMD_MBOX_SIZE); 11051c807f67SHans Petter Selasky 11061c807f67SHans Petter Selasky if (i != (n - 1)) { 11071c807f67SHans Petter Selasky u64 dma = mlx5_fwp_get_dma(msg, (i + 1) * MLX5_CMD_MBOX_SIZE); 11081c807f67SHans Petter Selasky block->next = cpu_to_be64(dma); 11091c807f67SHans Petter Selasky } 11101c807f67SHans Petter Selasky block->block_num = cpu_to_be32(i); 1111dc7e38acSHans Petter Selasky } 1112dc7e38acSHans Petter Selasky 11131c807f67SHans Petter Selasky /* make sure initial data is written to RAM */ 11141c807f67SHans Petter Selasky mlx5_fwp_flush(msg); 1115dc7e38acSHans Petter Selasky 11161c807f67SHans Petter Selasky return (msg); 1117dc7e38acSHans Petter Selasky } 1118dc7e38acSHans Petter Selasky 11191c807f67SHans Petter Selasky static void 11201c807f67SHans Petter Selasky mlx5_free_cmd_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1121dc7e38acSHans Petter Selasky { 1122dc7e38acSHans Petter Selasky 11231c807f67SHans Petter Selasky mlx5_fwp_free(msg); 1124dc7e38acSHans Petter Selasky } 1125dc7e38acSHans Petter Selasky 1126dc7e38acSHans Petter Selasky static void set_wqname(struct mlx5_core_dev *dev) 1127dc7e38acSHans Petter Selasky { 1128dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1129dc7e38acSHans Petter Selasky 1130dc7e38acSHans Petter Selasky snprintf(cmd->wq_name, sizeof(cmd->wq_name), "mlx5_cmd_%s", 1131dc7e38acSHans Petter Selasky dev_name(&dev->pdev->dev)); 1132dc7e38acSHans Petter Selasky } 1133dc7e38acSHans Petter Selasky 1134dc7e38acSHans Petter Selasky static void clean_debug_files(struct mlx5_core_dev *dev) 1135dc7e38acSHans Petter Selasky { 1136dc7e38acSHans Petter Selasky } 1137dc7e38acSHans Petter Selasky 1138dc7e38acSHans Petter Selasky 11392327a753SHans Petter Selasky static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode) 1140dc7e38acSHans Petter Selasky { 1141dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1142dc7e38acSHans Petter Selasky int i; 1143dc7e38acSHans Petter Selasky 1144dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1145dc7e38acSHans Petter Selasky down(&cmd->sem); 1146dc7e38acSHans Petter Selasky 1147dc7e38acSHans Petter Selasky down(&cmd->pages_sem); 11482327a753SHans Petter Selasky cmd->mode = mode; 1149dc7e38acSHans Petter Selasky 1150dc7e38acSHans Petter Selasky up(&cmd->pages_sem); 1151dc7e38acSHans Petter Selasky for (i = 0; i < cmd->max_reg_cmds; i++) 1152dc7e38acSHans Petter Selasky up(&cmd->sem); 1153dc7e38acSHans Petter Selasky } 1154dc7e38acSHans Petter Selasky 11552327a753SHans Petter Selasky void mlx5_cmd_use_events(struct mlx5_core_dev *dev) 11562327a753SHans Petter Selasky { 11572327a753SHans Petter Selasky mlx5_cmd_change_mod(dev, CMD_MODE_EVENTS); 11582327a753SHans Petter Selasky } 11592327a753SHans Petter Selasky 1160dc7e38acSHans Petter Selasky void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) 1161dc7e38acSHans Petter Selasky { 11622327a753SHans Petter Selasky mlx5_cmd_change_mod(dev, CMD_MODE_POLLING); 1163dc7e38acSHans Petter Selasky } 1164dc7e38acSHans Petter Selasky 1165dc7e38acSHans Petter Selasky static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) 1166dc7e38acSHans Petter Selasky { 1167dc7e38acSHans Petter Selasky unsigned long flags; 1168dc7e38acSHans Petter Selasky 1169dc7e38acSHans Petter Selasky if (msg->cache) { 1170dc7e38acSHans Petter Selasky spin_lock_irqsave(&msg->cache->lock, flags); 1171dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &msg->cache->head); 1172dc7e38acSHans Petter Selasky spin_unlock_irqrestore(&msg->cache->lock, flags); 1173dc7e38acSHans Petter Selasky } else { 1174dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1175dc7e38acSHans Petter Selasky } 1176dc7e38acSHans Petter Selasky } 1177dc7e38acSHans Petter Selasky 1178d0ce5a0dSHans Petter Selasky void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u32 vector) 1179dc7e38acSHans Petter Selasky { 1180dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1181dc7e38acSHans Petter Selasky struct mlx5_cmd_work_ent *ent; 1182dc7e38acSHans Petter Selasky int i; 1183dc7e38acSHans Petter Selasky 11841c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 11851c807f67SHans Petter Selasky mlx5_fwp_invalidate(cmd->cmd_page); 11861c807f67SHans Petter Selasky 1187d0ce5a0dSHans Petter Selasky while (vector != 0) { 1188d0ce5a0dSHans Petter Selasky i = ffs(vector) - 1; 1189d0ce5a0dSHans Petter Selasky vector &= ~(1U << i); 1190dc7e38acSHans Petter Selasky ent = cmd->ent_arr[i]; 119111546d06SHans Petter Selasky if (ent->callback) 119211546d06SHans Petter Selasky cancel_delayed_work(&ent->cb_timeout_work); 1193dc7e38acSHans Petter Selasky ent->ts2 = ktime_get_ns(); 1194d0ce5a0dSHans Petter Selasky memcpy(ent->out->first.data, ent->lay->out, 1195d0ce5a0dSHans Petter Selasky sizeof(ent->lay->out)); 11961c807f67SHans Petter Selasky /* make sure data gets read from RAM */ 11971c807f67SHans Petter Selasky mlx5_fwp_invalidate(ent->out); 1198dc7e38acSHans Petter Selasky dump_command(dev, ent, 0); 1199dc7e38acSHans Petter Selasky if (!ent->ret) { 1200dc7e38acSHans Petter Selasky if (!cmd->checksum_disabled) 1201dc7e38acSHans Petter Selasky ent->ret = verify_signature(ent); 1202dc7e38acSHans Petter Selasky else 1203dc7e38acSHans Petter Selasky ent->ret = 0; 1204dc7e38acSHans Petter Selasky ent->status = ent->lay->status_own >> 1; 1205a2485fe5SHans Petter Selasky if (vector & MLX5_TRIGGERED_CMD_COMP) 1206a2485fe5SHans Petter Selasky ent->status = MLX5_DRIVER_STATUS_ABORTED; 1207a2485fe5SHans Petter Selasky else 1208a2485fe5SHans Petter Selasky ent->status = ent->lay->status_own >> 1; 120930dfc051SHans Petter Selasky 1210d0ce5a0dSHans Petter Selasky mlx5_core_dbg(dev, 1211d0ce5a0dSHans Petter Selasky "FW command ret 0x%x, status %s(0x%x)\n", 1212d0ce5a0dSHans Petter Selasky ent->ret, 1213d0ce5a0dSHans Petter Selasky deliv_status_to_str(ent->status), 1214d0ce5a0dSHans Petter Selasky ent->status); 1215dc7e38acSHans Petter Selasky } 1216dc7e38acSHans Petter Selasky free_ent(cmd, ent->idx); 12178e7e0ce1SHans Petter Selasky complete_command(ent); 1218dc7e38acSHans Petter Selasky } 1219dc7e38acSHans Petter Selasky } 1220dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_comp_handler); 1221dc7e38acSHans Petter Selasky 1222dc7e38acSHans Petter Selasky static int status_to_err(u8 status) 1223dc7e38acSHans Petter Selasky { 1224dc7e38acSHans Petter Selasky return status ? -1 : 0; /* TBD more meaningful codes */ 1225dc7e38acSHans Petter Selasky } 1226dc7e38acSHans Petter Selasky 1227dc7e38acSHans Petter Selasky static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size, 1228dc7e38acSHans Petter Selasky gfp_t gfp) 1229dc7e38acSHans Petter Selasky { 1230dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM); 1231dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1232dc7e38acSHans Petter Selasky struct cache_ent *ent = NULL; 1233dc7e38acSHans Petter Selasky 1234dc7e38acSHans Petter Selasky if (in_size > MED_LIST_SIZE && in_size <= LONG_LIST_SIZE) 1235dc7e38acSHans Petter Selasky ent = &cmd->cache.large; 1236dc7e38acSHans Petter Selasky else if (in_size > 16 && in_size <= MED_LIST_SIZE) 1237dc7e38acSHans Petter Selasky ent = &cmd->cache.med; 1238dc7e38acSHans Petter Selasky 1239dc7e38acSHans Petter Selasky if (ent) { 1240dc7e38acSHans Petter Selasky spin_lock_irq(&ent->lock); 1241dc7e38acSHans Petter Selasky if (!list_empty(&ent->head)) { 1242dc7e38acSHans Petter Selasky msg = list_entry(ent->head.next, struct mlx5_cmd_msg, 1243dc7e38acSHans Petter Selasky list); 1244dc7e38acSHans Petter Selasky list_del(&msg->list); 1245dc7e38acSHans Petter Selasky } 1246dc7e38acSHans Petter Selasky spin_unlock_irq(&ent->lock); 1247dc7e38acSHans Petter Selasky } 1248dc7e38acSHans Petter Selasky 1249dc7e38acSHans Petter Selasky if (IS_ERR(msg)) 1250dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, gfp, in_size); 1251dc7e38acSHans Petter Selasky 1252dc7e38acSHans Petter Selasky return msg; 1253dc7e38acSHans Petter Selasky } 1254dc7e38acSHans Petter Selasky 1255788333d9SHans Petter Selasky static int is_manage_pages(void *in) 1256a2485fe5SHans Petter Selasky { 1257788333d9SHans Petter Selasky return MLX5_GET(mbox_in, in, opcode) == MLX5_CMD_OP_MANAGE_PAGES; 1258dc7e38acSHans Petter Selasky } 1259dc7e38acSHans Petter Selasky 126030dfc051SHans Petter Selasky static int cmd_exec_helper(struct mlx5_core_dev *dev, 126130dfc051SHans Petter Selasky void *in, int in_size, 126230dfc051SHans Petter Selasky void *out, int out_size, 126330dfc051SHans Petter Selasky mlx5_cmd_cbk_t callback, void *context) 1264dc7e38acSHans Petter Selasky { 1265dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *inb; 1266dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *outb; 1267dc7e38acSHans Petter Selasky int pages_queue; 12681d4905b5SHans Petter Selasky const gfp_t gfp = GFP_KERNEL; 1269dc7e38acSHans Petter Selasky int err; 1270dc7e38acSHans Petter Selasky u8 status = 0; 1271a2485fe5SHans Petter Selasky u32 drv_synd; 1272a2485fe5SHans Petter Selasky 1273a2485fe5SHans Petter Selasky if (pci_channel_offline(dev->pdev) || 1274a2485fe5SHans Petter Selasky dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 1275788333d9SHans Petter Selasky u16 opcode = MLX5_GET(mbox_in, in, opcode); 1276788333d9SHans Petter Selasky err = mlx5_internal_err_ret_value(dev, opcode, &drv_synd, &status); 1277788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, status, status); 1278788333d9SHans Petter Selasky MLX5_SET(mbox_out, out, syndrome, drv_synd); 1279a2485fe5SHans Petter Selasky return err; 1280a2485fe5SHans Petter Selasky } 1281dc7e38acSHans Petter Selasky 1282dc7e38acSHans Petter Selasky pages_queue = is_manage_pages(in); 1283dc7e38acSHans Petter Selasky 1284dc7e38acSHans Petter Selasky inb = alloc_msg(dev, in_size, gfp); 1285dc7e38acSHans Petter Selasky if (IS_ERR(inb)) { 1286dc7e38acSHans Petter Selasky err = PTR_ERR(inb); 1287dc7e38acSHans Petter Selasky return err; 1288dc7e38acSHans Petter Selasky } 1289dc7e38acSHans Petter Selasky 1290dc7e38acSHans Petter Selasky err = mlx5_copy_to_msg(inb, in, in_size); 1291dc7e38acSHans Petter Selasky if (err) { 1292dc7e38acSHans Petter Selasky mlx5_core_warn(dev, "err %d\n", err); 1293dc7e38acSHans Petter Selasky goto out_in; 1294dc7e38acSHans Petter Selasky } 1295dc7e38acSHans Petter Selasky 1296dc7e38acSHans Petter Selasky outb = mlx5_alloc_cmd_msg(dev, gfp, out_size); 1297dc7e38acSHans Petter Selasky if (IS_ERR(outb)) { 1298dc7e38acSHans Petter Selasky err = PTR_ERR(outb); 1299dc7e38acSHans Petter Selasky goto out_in; 1300dc7e38acSHans Petter Selasky } 1301dc7e38acSHans Petter Selasky 13021c807f67SHans Petter Selasky err = mlx5_cmd_invoke(dev, inb, in_size, outb, out, out_size, callback, 13031c807f67SHans Petter Selasky context, pages_queue, &status); 130497ac3908SHans Petter Selasky if (err) { 130597ac3908SHans Petter Selasky if (err == -ETIMEDOUT) 130697ac3908SHans Petter Selasky return err; 1307dc7e38acSHans Petter Selasky goto out_out; 130897ac3908SHans Petter Selasky } 1309dc7e38acSHans Petter Selasky 1310dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "err %d, status %d\n", err, status); 1311dc7e38acSHans Petter Selasky if (status) { 1312dc7e38acSHans Petter Selasky err = status_to_err(status); 1313dc7e38acSHans Petter Selasky goto out_out; 1314dc7e38acSHans Petter Selasky } 1315dc7e38acSHans Petter Selasky 1316dc7e38acSHans Petter Selasky if (callback) 1317dc7e38acSHans Petter Selasky return err; 1318dc7e38acSHans Petter Selasky 1319dc7e38acSHans Petter Selasky err = mlx5_copy_from_msg(out, outb, out_size); 1320dc7e38acSHans Petter Selasky 1321dc7e38acSHans Petter Selasky out_out: 1322dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, outb); 1323dc7e38acSHans Petter Selasky 1324dc7e38acSHans Petter Selasky out_in: 1325dc7e38acSHans Petter Selasky free_msg(dev, inb); 1326dc7e38acSHans Petter Selasky return err; 1327dc7e38acSHans Petter Selasky } 1328dc7e38acSHans Petter Selasky 1329dc7e38acSHans Petter Selasky int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, 1330dc7e38acSHans Petter Selasky int out_size) 1331dc7e38acSHans Petter Selasky { 1332788333d9SHans Petter Selasky int err; 1333788333d9SHans Petter Selasky 1334788333d9SHans Petter Selasky err = cmd_exec_helper(dev, in, in_size, out, out_size, NULL, NULL); 1335788333d9SHans Petter Selasky return err ? : mlx5_cmd_check(dev, in, out); 1336dc7e38acSHans Petter Selasky } 1337dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec); 1338dc7e38acSHans Petter Selasky 1339dc7e38acSHans Petter Selasky int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, 1340dc7e38acSHans Petter Selasky void *out, int out_size, mlx5_cmd_cbk_t callback, 1341dc7e38acSHans Petter Selasky void *context) 1342dc7e38acSHans Petter Selasky { 1343dc7e38acSHans Petter Selasky return cmd_exec_helper(dev, in, in_size, out, out_size, callback, context); 1344dc7e38acSHans Petter Selasky } 1345dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_exec_cb); 1346dc7e38acSHans Petter Selasky 1347dc7e38acSHans Petter Selasky static void destroy_msg_cache(struct mlx5_core_dev *dev) 1348dc7e38acSHans Petter Selasky { 1349dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1350dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1351dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *n; 1352dc7e38acSHans Petter Selasky 1353dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.large.head, list) { 1354dc7e38acSHans Petter Selasky list_del(&msg->list); 1355dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1356dc7e38acSHans Petter Selasky } 1357dc7e38acSHans Petter Selasky 1358dc7e38acSHans Petter Selasky list_for_each_entry_safe(msg, n, &cmd->cache.med.head, list) { 1359dc7e38acSHans Petter Selasky list_del(&msg->list); 1360dc7e38acSHans Petter Selasky mlx5_free_cmd_msg(dev, msg); 1361dc7e38acSHans Petter Selasky } 1362dc7e38acSHans Petter Selasky } 1363dc7e38acSHans Petter Selasky 1364dc7e38acSHans Petter Selasky static int create_msg_cache(struct mlx5_core_dev *dev) 1365dc7e38acSHans Petter Selasky { 1366dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1367dc7e38acSHans Petter Selasky struct mlx5_cmd_msg *msg; 1368dc7e38acSHans Petter Selasky int err; 1369dc7e38acSHans Petter Selasky int i; 1370dc7e38acSHans Petter Selasky 1371dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.large.lock); 1372dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.large.head); 1373dc7e38acSHans Petter Selasky spin_lock_init(&cmd->cache.med.lock); 1374dc7e38acSHans Petter Selasky INIT_LIST_HEAD(&cmd->cache.med.head); 1375dc7e38acSHans Petter Selasky 1376dc7e38acSHans Petter Selasky for (i = 0; i < NUM_LONG_LISTS; i++) { 1377dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, LONG_LIST_SIZE); 1378dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1379dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1380dc7e38acSHans Petter Selasky goto ex_err; 1381dc7e38acSHans Petter Selasky } 1382dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.large; 1383dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.large.head); 1384dc7e38acSHans Petter Selasky } 1385dc7e38acSHans Petter Selasky 1386dc7e38acSHans Petter Selasky for (i = 0; i < NUM_MED_LISTS; i++) { 1387dc7e38acSHans Petter Selasky msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, MED_LIST_SIZE); 1388dc7e38acSHans Petter Selasky if (IS_ERR(msg)) { 1389dc7e38acSHans Petter Selasky err = PTR_ERR(msg); 1390dc7e38acSHans Petter Selasky goto ex_err; 1391dc7e38acSHans Petter Selasky } 1392dc7e38acSHans Petter Selasky msg->cache = &cmd->cache.med; 1393dc7e38acSHans Petter Selasky list_add_tail(&msg->list, &cmd->cache.med.head); 1394dc7e38acSHans Petter Selasky } 1395dc7e38acSHans Petter Selasky 1396dc7e38acSHans Petter Selasky return 0; 1397dc7e38acSHans Petter Selasky 1398dc7e38acSHans Petter Selasky ex_err: 1399dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1400dc7e38acSHans Petter Selasky return err; 1401dc7e38acSHans Petter Selasky } 1402dc7e38acSHans Petter Selasky 14031c807f67SHans Petter Selasky static int 14041c807f67SHans Petter Selasky alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1405dc7e38acSHans Petter Selasky { 14061c807f67SHans Petter Selasky int err; 1407dc7e38acSHans Petter Selasky 14081c807f67SHans Petter Selasky sx_init(&cmd->dma_sx, "MLX5-DMA-SX"); 14091c807f67SHans Petter Selasky mtx_init(&cmd->dma_mtx, "MLX5-DMA-MTX", NULL, MTX_DEF); 14101c807f67SHans Petter Selasky cv_init(&cmd->dma_cv, "MLX5-DMA-CV"); 14111c807f67SHans Petter Selasky 14121c807f67SHans Petter Selasky /* 14131c807f67SHans Petter Selasky * Create global DMA descriptor tag for allocating 14141c807f67SHans Petter Selasky * 4K firmware pages: 14151c807f67SHans Petter Selasky */ 14161c807f67SHans Petter Selasky err = -bus_dma_tag_create( 14171c807f67SHans Petter Selasky bus_get_dma_tag(dev->pdev->dev.bsddev), 14181c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* alignment */ 14191c807f67SHans Petter Selasky 0, /* no boundary */ 14201c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* lowaddr */ 14211c807f67SHans Petter Selasky BUS_SPACE_MAXADDR, /* highaddr */ 14221c807f67SHans Petter Selasky NULL, NULL, /* filter, filterarg */ 14231c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsize */ 14241c807f67SHans Petter Selasky 1, /* nsegments */ 14251c807f67SHans Petter Selasky MLX5_ADAPTER_PAGE_SIZE, /* maxsegsize */ 14261c807f67SHans Petter Selasky 0, /* flags */ 14271c807f67SHans Petter Selasky NULL, NULL, /* lockfunc, lockfuncarg */ 14281c807f67SHans Petter Selasky &cmd->dma_tag); 14291c807f67SHans Petter Selasky if (err != 0) 14301c807f67SHans Petter Selasky goto failure_destroy_sx; 14311c807f67SHans Petter Selasky 14321c807f67SHans Petter Selasky cmd->cmd_page = mlx5_fwp_alloc(dev, GFP_KERNEL, 1); 14331c807f67SHans Petter Selasky if (cmd->cmd_page == NULL) { 14341c807f67SHans Petter Selasky err = -ENOMEM; 14351c807f67SHans Petter Selasky goto failure_alloc_page; 14361c807f67SHans Petter Selasky } 14371c807f67SHans Petter Selasky cmd->dma = mlx5_fwp_get_dma(cmd->cmd_page, 0); 14381c807f67SHans Petter Selasky cmd->cmd_buf = mlx5_fwp_get_virt(cmd->cmd_page, 0); 14391c807f67SHans Petter Selasky return (0); 14401c807f67SHans Petter Selasky 14411c807f67SHans Petter Selasky failure_alloc_page: 14421c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 14431c807f67SHans Petter Selasky 14441c807f67SHans Petter Selasky failure_destroy_sx: 14451c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 14461c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 14471c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 14481c807f67SHans Petter Selasky return (err); 1449dc7e38acSHans Petter Selasky } 1450dc7e38acSHans Petter Selasky 14511c807f67SHans Petter Selasky static void 14521c807f67SHans Petter Selasky free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd) 1453dc7e38acSHans Petter Selasky { 14541c807f67SHans Petter Selasky 14551c807f67SHans Petter Selasky mlx5_fwp_free(cmd->cmd_page); 14561c807f67SHans Petter Selasky bus_dma_tag_destroy(cmd->dma_tag); 14571c807f67SHans Petter Selasky cv_destroy(&cmd->dma_cv); 14581c807f67SHans Petter Selasky mtx_destroy(&cmd->dma_mtx); 14591c807f67SHans Petter Selasky sx_destroy(&cmd->dma_sx); 1460dc7e38acSHans Petter Selasky } 1461dc7e38acSHans Petter Selasky 1462dc7e38acSHans Petter Selasky int mlx5_cmd_init(struct mlx5_core_dev *dev) 1463dc7e38acSHans Petter Selasky { 1464dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1465dc7e38acSHans Petter Selasky u32 cmd_h, cmd_l; 1466dc7e38acSHans Petter Selasky u16 cmd_if_rev; 1467dc7e38acSHans Petter Selasky int err; 1468dc7e38acSHans Petter Selasky int i; 1469dc7e38acSHans Petter Selasky 1470a2485fe5SHans Petter Selasky memset(cmd, 0, sizeof(*cmd)); 1471dc7e38acSHans Petter Selasky cmd_if_rev = cmdif_rev_get(dev); 1472dc7e38acSHans Petter Selasky if (cmd_if_rev != CMD_IF_REV) { 1473dc7e38acSHans 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); 1474dc7e38acSHans Petter Selasky return -EINVAL; 1475dc7e38acSHans Petter Selasky } 1476dc7e38acSHans Petter Selasky 1477dc7e38acSHans Petter Selasky err = alloc_cmd_page(dev, cmd); 1478dc7e38acSHans Petter Selasky if (err) 1479dc7e38acSHans Petter Selasky goto err_free_pool; 1480dc7e38acSHans Petter Selasky 1481dc7e38acSHans Petter Selasky cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff; 1482dc7e38acSHans Petter Selasky cmd->log_sz = cmd_l >> 4 & 0xf; 1483dc7e38acSHans Petter Selasky cmd->log_stride = cmd_l & 0xf; 1484dc7e38acSHans Petter Selasky if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) { 1485dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""firmware reports too many outstanding commands %d\n", 1 << cmd->log_sz); 1486dc7e38acSHans Petter Selasky err = -EINVAL; 1487dc7e38acSHans Petter Selasky goto err_free_page; 1488dc7e38acSHans Petter Selasky } 1489dc7e38acSHans Petter Selasky 1490dc7e38acSHans Petter Selasky if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) { 1491dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""command queue size overflow\n"); 1492dc7e38acSHans Petter Selasky err = -EINVAL; 1493dc7e38acSHans Petter Selasky goto err_free_page; 1494dc7e38acSHans Petter Selasky } 1495dc7e38acSHans Petter Selasky 1496dc7e38acSHans Petter Selasky cmd->checksum_disabled = 1; 1497dc7e38acSHans Petter Selasky cmd->max_reg_cmds = (1 << cmd->log_sz) - 1; 1498dc7e38acSHans Petter Selasky cmd->bitmask = (1 << cmd->max_reg_cmds) - 1; 1499dc7e38acSHans Petter Selasky 1500dc7e38acSHans Petter Selasky cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; 1501dc7e38acSHans Petter Selasky if (cmd->cmdif_rev > CMD_IF_REV) { 1502dc7e38acSHans 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); 1503dc7e38acSHans Petter Selasky err = -ENOTSUPP; 1504dc7e38acSHans Petter Selasky goto err_free_page; 1505dc7e38acSHans Petter Selasky } 1506dc7e38acSHans Petter Selasky 1507dc7e38acSHans Petter Selasky spin_lock_init(&cmd->alloc_lock); 1508dc7e38acSHans Petter Selasky spin_lock_init(&cmd->token_lock); 1509dc7e38acSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(cmd->stats); i++) 1510dc7e38acSHans Petter Selasky spin_lock_init(&cmd->stats[i].lock); 1511dc7e38acSHans Petter Selasky 1512dc7e38acSHans Petter Selasky sema_init(&cmd->sem, cmd->max_reg_cmds); 1513dc7e38acSHans Petter Selasky sema_init(&cmd->pages_sem, 1); 1514dc7e38acSHans Petter Selasky 1515dc7e38acSHans Petter Selasky cmd_h = (u32)((u64)(cmd->dma) >> 32); 1516dc7e38acSHans Petter Selasky cmd_l = (u32)(cmd->dma); 1517dc7e38acSHans Petter Selasky if (cmd_l & 0xfff) { 1518dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""invalid command queue address\n"); 1519dc7e38acSHans Petter Selasky err = -ENOMEM; 1520dc7e38acSHans Petter Selasky goto err_free_page; 1521dc7e38acSHans Petter Selasky } 1522dc7e38acSHans Petter Selasky 1523dc7e38acSHans Petter Selasky iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); 1524dc7e38acSHans Petter Selasky iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); 1525dc7e38acSHans Petter Selasky 1526dc7e38acSHans Petter Selasky /* Make sure firmware sees the complete address before we proceed */ 1527dc7e38acSHans Petter Selasky wmb(); 1528dc7e38acSHans Petter Selasky 1529dc7e38acSHans Petter Selasky mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma)); 1530dc7e38acSHans Petter Selasky 1531dc7e38acSHans Petter Selasky cmd->mode = CMD_MODE_POLLING; 1532dc7e38acSHans Petter Selasky 1533dc7e38acSHans Petter Selasky err = create_msg_cache(dev); 1534dc7e38acSHans Petter Selasky if (err) { 1535dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command cache\n"); 1536dc7e38acSHans Petter Selasky goto err_free_page; 1537dc7e38acSHans Petter Selasky } 1538dc7e38acSHans Petter Selasky 1539dc7e38acSHans Petter Selasky set_wqname(dev); 1540dc7e38acSHans Petter Selasky cmd->wq = create_singlethread_workqueue(cmd->wq_name); 1541dc7e38acSHans Petter Selasky if (!cmd->wq) { 1542dc7e38acSHans Petter Selasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""failed to create command workqueue\n"); 1543dc7e38acSHans Petter Selasky err = -ENOMEM; 1544dc7e38acSHans Petter Selasky goto err_cache; 1545dc7e38acSHans Petter Selasky } 1546dc7e38acSHans Petter Selasky 1547dc7e38acSHans Petter Selasky return 0; 1548dc7e38acSHans Petter Selasky 1549dc7e38acSHans Petter Selasky err_cache: 1550dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1551dc7e38acSHans Petter Selasky 1552dc7e38acSHans Petter Selasky err_free_page: 1553dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1554dc7e38acSHans Petter Selasky 1555dc7e38acSHans Petter Selasky err_free_pool: 1556dc7e38acSHans Petter Selasky return err; 1557dc7e38acSHans Petter Selasky } 1558dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_init); 1559dc7e38acSHans Petter Selasky 1560dc7e38acSHans Petter Selasky void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) 1561dc7e38acSHans Petter Selasky { 1562dc7e38acSHans Petter Selasky struct mlx5_cmd *cmd = &dev->cmd; 1563dc7e38acSHans Petter Selasky 1564dc7e38acSHans Petter Selasky clean_debug_files(dev); 1565dc7e38acSHans Petter Selasky destroy_workqueue(cmd->wq); 1566dc7e38acSHans Petter Selasky destroy_msg_cache(dev); 1567dc7e38acSHans Petter Selasky free_cmd_page(dev, cmd); 1568dc7e38acSHans Petter Selasky } 1569dc7e38acSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_cleanup); 1570118063fbSHans Petter Selasky 1571118063fbSHans Petter Selasky int mlx5_cmd_query_cong_counter(struct mlx5_core_dev *dev, 1572118063fbSHans Petter Selasky bool reset, void *out, int out_size) 1573118063fbSHans Petter Selasky { 1574118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_statistics_in)] = { }; 1575118063fbSHans Petter Selasky 1576118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, opcode, 1577118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_STATISTICS); 1578118063fbSHans Petter Selasky MLX5_SET(query_cong_statistics_in, in, clear, reset); 1579118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1580118063fbSHans Petter Selasky } 1581118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_counter); 1582118063fbSHans Petter Selasky 1583118063fbSHans Petter Selasky int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, 1584118063fbSHans Petter Selasky void *out, int out_size) 1585118063fbSHans Petter Selasky { 1586118063fbSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = { }; 1587118063fbSHans Petter Selasky 1588118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, opcode, 1589118063fbSHans Petter Selasky MLX5_CMD_OP_QUERY_CONG_PARAMS); 1590118063fbSHans Petter Selasky MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point); 1591118063fbSHans Petter Selasky 1592118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); 1593118063fbSHans Petter Selasky } 1594118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_query_cong_params); 1595118063fbSHans Petter Selasky 1596118063fbSHans Petter Selasky int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev, 1597118063fbSHans Petter Selasky void *in, int in_size) 1598118063fbSHans Petter Selasky { 1599118063fbSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(modify_cong_params_out)] = { }; 1600118063fbSHans Petter Selasky 1601118063fbSHans Petter Selasky return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); 1602118063fbSHans Petter Selasky } 1603118063fbSHans Petter Selasky EXPORT_SYMBOL(mlx5_cmd_modify_cong_params); 1604