2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/mlx5/driver.h>
34 #include <linux/mlx5/eswitch.h>
35 #include "mlx5_core.h"
36 #include "../../mlxfw/mlxfw.h"
40 MCQS_IDENTIFIER_BOOT_IMG = 0x1,
41 MCQS_IDENTIFIER_OEM_NVCONFIG = 0x4,
42 MCQS_IDENTIFIER_MLNX_NVCONFIG = 0x5,
43 MCQS_IDENTIFIER_CS_TOKEN = 0x6,
44 MCQS_IDENTIFIER_DBG_TOKEN = 0x7,
45 MCQS_IDENTIFIER_GEARBOX = 0xA,
49 MCQS_UPDATE_STATE_IDLE,
50 MCQS_UPDATE_STATE_IN_PROGRESS,
51 MCQS_UPDATE_STATE_APPLIED,
52 MCQS_UPDATE_STATE_ACTIVE,
53 MCQS_UPDATE_STATE_ACTIVE_PENDING_RESET,
54 MCQS_UPDATE_STATE_FAILED,
55 MCQS_UPDATE_STATE_CANCELED,
56 MCQS_UPDATE_STATE_BUSY,
60 MCQI_INFO_TYPE_CAPABILITIES = 0x0,
61 MCQI_INFO_TYPE_VERSION = 0x1,
62 MCQI_INFO_TYPE_ACTIVATION_METHOD = 0x5,
66 MCQI_FW_RUNNING_VERSION = 0,
67 MCQI_FW_STORED_VERSION = 1,
70 int mlx5_query_board_id(struct mlx5_core_dev *dev)
73 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
74 u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
77 out = kzalloc(outlen, GFP_KERNEL);
81 MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
82 err = mlx5_cmd_exec_inout(dev, query_adapter, in, out);
87 MLX5_ADDR_OF(query_adapter_out, out,
88 query_adapter_struct.vsd_contd_psid),
89 MLX5_FLD_SZ_BYTES(query_adapter_out,
90 query_adapter_struct.vsd_contd_psid));
97 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
100 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
101 u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
104 out = kzalloc(outlen, GFP_KERNEL);
108 MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
109 err = mlx5_cmd_exec_inout(mdev, query_adapter, in, out);
113 *vendor_id = MLX5_GET(query_adapter_out, out,
114 query_adapter_struct.ieee_vendor_id);
119 EXPORT_SYMBOL(mlx5_core_query_vendor_id);
121 static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev)
123 return mlx5_query_pcam_reg(dev, dev->caps.pcam,
124 MLX5_PCAM_FEATURE_ENHANCED_FEATURES,
125 MLX5_PCAM_REGS_5000_TO_507F);
128 static int mlx5_get_mcam_access_reg_group(struct mlx5_core_dev *dev,
129 enum mlx5_mcam_reg_groups group)
131 return mlx5_query_mcam_reg(dev, dev->caps.mcam[group],
132 MLX5_MCAM_FEATURE_ENHANCED_FEATURES, group);
135 static int mlx5_get_qcam_reg(struct mlx5_core_dev *dev)
137 return mlx5_query_qcam_reg(dev, dev->caps.qcam,
138 MLX5_QCAM_FEATURE_ENHANCED_FEATURES,
139 MLX5_QCAM_REGS_FIRST_128);
142 int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
146 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR);
150 if (MLX5_CAP_GEN(dev, port_selection_cap)) {
151 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_PORT_SELECTION, HCA_CAP_OPMOD_GET_CUR);
156 if (MLX5_CAP_GEN(dev, hca_cap_2)) {
157 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_GENERAL_2, HCA_CAP_OPMOD_GET_CUR);
162 if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
163 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ETHERNET_OFFLOADS,
164 HCA_CAP_OPMOD_GET_CUR);
169 if (MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) {
170 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_IPOIB_ENHANCED_OFFLOADS,
171 HCA_CAP_OPMOD_GET_CUR);
176 if (MLX5_CAP_GEN(dev, pg)) {
177 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ODP, HCA_CAP_OPMOD_GET_CUR);
182 if (MLX5_CAP_GEN(dev, atomic)) {
183 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ATOMIC, HCA_CAP_OPMOD_GET_CUR);
188 if (MLX5_CAP_GEN(dev, roce)) {
189 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ROCE, HCA_CAP_OPMOD_GET_CUR);
194 if (MLX5_CAP_GEN(dev, nic_flow_table) ||
195 MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) {
196 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_FLOW_TABLE, HCA_CAP_OPMOD_GET_CUR);
201 if (MLX5_ESWITCH_MANAGER(dev)) {
202 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ESWITCH_FLOW_TABLE,
203 HCA_CAP_OPMOD_GET_CUR);
207 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ESWITCH, HCA_CAP_OPMOD_GET_CUR);
212 if (MLX5_CAP_GEN(dev, qos)) {
213 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_QOS, HCA_CAP_OPMOD_GET_CUR);
218 if (MLX5_CAP_GEN(dev, debug))
219 mlx5_core_get_caps_mode(dev, MLX5_CAP_DEBUG, HCA_CAP_OPMOD_GET_CUR);
221 if (MLX5_CAP_GEN(dev, pcam_reg))
222 mlx5_get_pcam_reg(dev);
224 if (MLX5_CAP_GEN(dev, mcam_reg)) {
225 mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_FIRST_128);
226 mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_0x9100_0x917F);
229 if (MLX5_CAP_GEN(dev, qcam_reg))
230 mlx5_get_qcam_reg(dev);
232 if (MLX5_CAP_GEN(dev, device_memory)) {
233 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_DEV_MEM, HCA_CAP_OPMOD_GET_CUR);
238 if (MLX5_CAP_GEN(dev, event_cap)) {
239 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_DEV_EVENT, HCA_CAP_OPMOD_GET_CUR);
244 if (MLX5_CAP_GEN(dev, tls_tx) || MLX5_CAP_GEN(dev, tls_rx)) {
245 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_TLS, HCA_CAP_OPMOD_GET_CUR);
250 if (MLX5_CAP_GEN_64(dev, general_obj_types) &
251 MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q) {
252 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_VDPA_EMULATION, HCA_CAP_OPMOD_GET_CUR);
257 if (MLX5_CAP_GEN(dev, ipsec_offload)) {
258 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_IPSEC, HCA_CAP_OPMOD_GET_CUR);
263 if (MLX5_CAP_GEN(dev, crypto)) {
264 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_CRYPTO, HCA_CAP_OPMOD_GET_CUR);
269 if (MLX5_CAP_GEN_64(dev, general_obj_types) &
270 MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD) {
271 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_MACSEC, HCA_CAP_OPMOD_GET_CUR);
276 if (MLX5_CAP_GEN(dev, adv_virtualization)) {
277 err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ADV_VIRTUALIZATION,
278 HCA_CAP_OPMOD_GET_CUR);
286 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id)
288 u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {};
291 MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA);
293 if (MLX5_CAP_GEN(dev, sw_owner_id)) {
294 for (i = 0; i < 4; i++)
295 MLX5_ARRAY_SET(init_hca_in, in, sw_owner_id, i,
299 if (MLX5_CAP_GEN_2_MAX(dev, sw_vhca_id_valid) &&
300 dev->priv.sw_vhca_id > 0)
301 MLX5_SET(init_hca_in, in, sw_vhca_id, dev->priv.sw_vhca_id);
303 return mlx5_cmd_exec_in(dev, init_hca, in);
306 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
308 u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
310 MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
311 return mlx5_cmd_exec_in(dev, teardown_hca, in);
314 int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev)
316 u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
317 u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0};
321 if (!MLX5_CAP_GEN(dev, force_teardown)) {
322 mlx5_core_dbg(dev, "force teardown is not supported in the firmware\n");
326 MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
327 MLX5_SET(teardown_hca_in, in, profile, MLX5_TEARDOWN_HCA_IN_PROFILE_FORCE_CLOSE);
329 ret = mlx5_cmd_exec_polling(dev, in, sizeof(in), out, sizeof(out));
333 force_state = MLX5_GET(teardown_hca_out, out, state);
334 if (force_state == MLX5_TEARDOWN_HCA_OUT_FORCE_STATE_FAIL) {
335 mlx5_core_warn(dev, "teardown with force mode failed, doing normal teardown\n");
342 int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev)
344 unsigned long end, delay_ms = mlx5_tout_ms(dev, TEARDOWN);
345 u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {};
346 u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
350 if (!MLX5_CAP_GEN(dev, fast_teardown)) {
351 mlx5_core_dbg(dev, "fast teardown is not supported in the firmware\n");
355 MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
356 MLX5_SET(teardown_hca_in, in, profile,
357 MLX5_TEARDOWN_HCA_IN_PROFILE_PREPARE_FAST_TEARDOWN);
359 ret = mlx5_cmd_exec_inout(dev, teardown_hca, in, out);
363 state = MLX5_GET(teardown_hca_out, out, state);
364 if (state == MLX5_TEARDOWN_HCA_OUT_FORCE_STATE_FAIL) {
365 mlx5_core_warn(dev, "teardown with fast mode failed\n");
369 mlx5_set_nic_state(dev, MLX5_INITIAL_SEG_NIC_INTERFACE_DISABLED);
371 /* Loop until device state turns to disable */
372 end = jiffies + msecs_to_jiffies(delay_ms);
374 if (mlx5_get_nic_state(dev) == MLX5_INITIAL_SEG_NIC_INTERFACE_DISABLED)
378 } while (!time_after(jiffies, end));
380 if (mlx5_get_nic_state(dev) != MLX5_INITIAL_SEG_NIC_INTERFACE_DISABLED) {
381 dev_err(&dev->pdev->dev, "NIC IFC still %d after %lums.\n",
382 mlx5_get_nic_state(dev), delay_ms);
389 enum mlxsw_reg_mcc_instruction {
390 MLX5_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE = 0x01,
391 MLX5_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE = 0x02,
392 MLX5_REG_MCC_INSTRUCTION_UPDATE_COMPONENT = 0x03,
393 MLX5_REG_MCC_INSTRUCTION_VERIFY_COMPONENT = 0x04,
394 MLX5_REG_MCC_INSTRUCTION_ACTIVATE = 0x06,
395 MLX5_REG_MCC_INSTRUCTION_CANCEL = 0x08,
398 static int mlx5_reg_mcc_set(struct mlx5_core_dev *dev,
399 enum mlxsw_reg_mcc_instruction instr,
400 u16 component_index, u32 update_handle,
403 u32 out[MLX5_ST_SZ_DW(mcc_reg)];
404 u32 in[MLX5_ST_SZ_DW(mcc_reg)];
406 memset(in, 0, sizeof(in));
408 MLX5_SET(mcc_reg, in, instruction, instr);
409 MLX5_SET(mcc_reg, in, component_index, component_index);
410 MLX5_SET(mcc_reg, in, update_handle, update_handle);
411 MLX5_SET(mcc_reg, in, component_size, component_size);
413 return mlx5_core_access_reg(dev, in, sizeof(in), out,
414 sizeof(out), MLX5_REG_MCC, 0, 1);
417 static int mlx5_reg_mcc_query(struct mlx5_core_dev *dev,
418 u32 *update_handle, u8 *error_code,
421 u32 out[MLX5_ST_SZ_DW(mcc_reg)];
422 u32 in[MLX5_ST_SZ_DW(mcc_reg)];
425 memset(in, 0, sizeof(in));
426 memset(out, 0, sizeof(out));
427 MLX5_SET(mcc_reg, in, update_handle, *update_handle);
429 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
430 sizeof(out), MLX5_REG_MCC, 0, 0);
434 *update_handle = MLX5_GET(mcc_reg, out, update_handle);
435 *error_code = MLX5_GET(mcc_reg, out, error_code);
436 *control_state = MLX5_GET(mcc_reg, out, control_state);
442 static int mlx5_reg_mcda_set(struct mlx5_core_dev *dev,
444 u32 offset, u16 size,
447 int err, in_size = MLX5_ST_SZ_BYTES(mcda_reg) + size;
448 u32 out[MLX5_ST_SZ_DW(mcda_reg)];
449 int i, j, dw_size = size >> 2;
453 in = kzalloc(in_size, GFP_KERNEL);
457 MLX5_SET(mcda_reg, in, update_handle, update_handle);
458 MLX5_SET(mcda_reg, in, offset, offset);
459 MLX5_SET(mcda_reg, in, size, size);
461 for (i = 0; i < dw_size; i++) {
463 data_element = htonl(*(u32 *)&data[j]);
464 memcpy(MLX5_ADDR_OF(mcda_reg, in, data) + j, &data_element, 4);
467 err = mlx5_core_access_reg(dev, in, in_size, out,
468 sizeof(out), MLX5_REG_MCDA, 0, 1);
473 static int mlx5_reg_mcqi_query(struct mlx5_core_dev *dev,
474 u16 component_index, bool read_pending,
475 u8 info_type, u16 data_size, void *mcqi_data)
477 u32 out[MLX5_ST_SZ_DW(mcqi_reg) + MLX5_UN_SZ_DW(mcqi_reg_data)] = {};
478 u32 in[MLX5_ST_SZ_DW(mcqi_reg)] = {};
482 MLX5_SET(mcqi_reg, in, component_index, component_index);
483 MLX5_SET(mcqi_reg, in, read_pending_component, read_pending);
484 MLX5_SET(mcqi_reg, in, info_type, info_type);
485 MLX5_SET(mcqi_reg, in, data_size, data_size);
487 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
488 MLX5_ST_SZ_BYTES(mcqi_reg) + data_size,
489 MLX5_REG_MCQI, 0, 0);
493 data = MLX5_ADDR_OF(mcqi_reg, out, data);
494 memcpy(mcqi_data, data, data_size);
499 static int mlx5_reg_mcqi_caps_query(struct mlx5_core_dev *dev, u16 component_index,
500 u32 *max_component_size, u8 *log_mcda_word_size,
501 u16 *mcda_max_write_size)
503 u32 mcqi_reg[MLX5_ST_SZ_DW(mcqi_cap)] = {};
506 err = mlx5_reg_mcqi_query(dev, component_index, 0,
507 MCQI_INFO_TYPE_CAPABILITIES,
508 MLX5_ST_SZ_BYTES(mcqi_cap), mcqi_reg);
512 *max_component_size = MLX5_GET(mcqi_cap, mcqi_reg, max_component_size);
513 *log_mcda_word_size = MLX5_GET(mcqi_cap, mcqi_reg, log_mcda_word_size);
514 *mcda_max_write_size = MLX5_GET(mcqi_cap, mcqi_reg, mcda_max_write_size);
519 struct mlx5_mlxfw_dev {
520 struct mlxfw_dev mlxfw_dev;
521 struct mlx5_core_dev *mlx5_core_dev;
524 static int mlx5_component_query(struct mlxfw_dev *mlxfw_dev,
525 u16 component_index, u32 *p_max_size,
526 u8 *p_align_bits, u16 *p_max_write_size)
528 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
529 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
530 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
532 if (!MLX5_CAP_GEN(dev, mcam_reg) || !MLX5_CAP_MCAM_REG(dev, mcqi)) {
533 mlx5_core_warn(dev, "caps query isn't supported by running FW\n");
537 return mlx5_reg_mcqi_caps_query(dev, component_index, p_max_size,
538 p_align_bits, p_max_write_size);
541 static int mlx5_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
543 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
544 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
545 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
546 u8 control_state, error_code;
550 err = mlx5_reg_mcc_query(dev, fwhandle, &error_code, &control_state);
554 if (control_state != MLXFW_FSM_STATE_IDLE)
557 return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
561 static int mlx5_fsm_component_update(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
562 u16 component_index, u32 component_size)
564 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
565 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
566 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
568 return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
569 component_index, fwhandle, component_size);
572 static int mlx5_fsm_block_download(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
573 u8 *data, u16 size, u32 offset)
575 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
576 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
577 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
579 return mlx5_reg_mcda_set(dev, fwhandle, offset, size, data);
582 static int mlx5_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
585 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
586 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
587 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
589 return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
590 component_index, fwhandle, 0);
593 static int mlx5_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
595 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
596 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
597 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
599 return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_ACTIVATE, 0,
603 static int mlx5_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
604 enum mlxfw_fsm_state *fsm_state,
605 enum mlxfw_fsm_state_err *fsm_state_err)
607 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
608 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
609 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
610 u8 control_state, error_code;
613 err = mlx5_reg_mcc_query(dev, &fwhandle, &error_code, &control_state);
617 *fsm_state = control_state;
618 *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
619 MLXFW_FSM_STATE_ERR_MAX);
623 static void mlx5_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
625 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
626 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
627 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
629 mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_CANCEL, 0, fwhandle, 0);
632 static void mlx5_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
634 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
635 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
636 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
638 mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
642 static int mlx5_fsm_reactivate(struct mlxfw_dev *mlxfw_dev, u8 *status)
644 struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
645 container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
646 struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
647 u32 out[MLX5_ST_SZ_DW(mirc_reg)];
648 u32 in[MLX5_ST_SZ_DW(mirc_reg)];
649 unsigned long exp_time;
652 exp_time = jiffies + msecs_to_jiffies(mlx5_tout_ms(dev, FSM_REACTIVATE));
654 if (!MLX5_CAP_MCAM_REG2(dev, mirc))
657 memset(in, 0, sizeof(in));
659 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
660 sizeof(out), MLX5_REG_MIRC, 0, 1);
665 memset(out, 0, sizeof(out));
666 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
667 sizeof(out), MLX5_REG_MIRC, 0, 0);
671 *status = MLX5_GET(mirc_reg, out, status_code);
672 if (*status != MLXFW_FSM_REACTIVATE_STATUS_BUSY)
676 } while (time_before(jiffies, exp_time));
681 static const struct mlxfw_dev_ops mlx5_mlxfw_dev_ops = {
682 .component_query = mlx5_component_query,
683 .fsm_lock = mlx5_fsm_lock,
684 .fsm_component_update = mlx5_fsm_component_update,
685 .fsm_block_download = mlx5_fsm_block_download,
686 .fsm_component_verify = mlx5_fsm_component_verify,
687 .fsm_activate = mlx5_fsm_activate,
688 .fsm_reactivate = mlx5_fsm_reactivate,
689 .fsm_query_state = mlx5_fsm_query_state,
690 .fsm_cancel = mlx5_fsm_cancel,
691 .fsm_release = mlx5_fsm_release
694 int mlx5_firmware_flash(struct mlx5_core_dev *dev,
695 const struct firmware *firmware,
696 struct netlink_ext_ack *extack)
698 struct mlx5_mlxfw_dev mlx5_mlxfw_dev = {
700 .ops = &mlx5_mlxfw_dev_ops,
701 .psid = dev->board_id,
702 .psid_size = strlen(dev->board_id),
703 .devlink = priv_to_devlink(dev),
708 if (!MLX5_CAP_GEN(dev, mcam_reg) ||
709 !MLX5_CAP_MCAM_REG(dev, mcqi) ||
710 !MLX5_CAP_MCAM_REG(dev, mcc) ||
711 !MLX5_CAP_MCAM_REG(dev, mcda)) {
712 pr_info("%s flashing isn't supported by the running FW\n", __func__);
716 return mlxfw_firmware_flash(&mlx5_mlxfw_dev.mlxfw_dev,
720 static int mlx5_reg_mcqi_version_query(struct mlx5_core_dev *dev,
721 u16 component_index, bool read_pending,
722 u32 *mcqi_version_out)
724 return mlx5_reg_mcqi_query(dev, component_index, read_pending,
725 MCQI_INFO_TYPE_VERSION,
726 MLX5_ST_SZ_BYTES(mcqi_version),
730 static int mlx5_reg_mcqs_query(struct mlx5_core_dev *dev, u32 *out,
733 u8 out_sz = MLX5_ST_SZ_BYTES(mcqs_reg);
734 u32 in[MLX5_ST_SZ_DW(mcqs_reg)] = {};
737 memset(out, 0, out_sz);
739 MLX5_SET(mcqs_reg, in, component_index, component_index);
741 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
742 out_sz, MLX5_REG_MCQS, 0, 0);
746 /* scans component index sequentially, to find the boot img index */
747 static int mlx5_get_boot_img_component_index(struct mlx5_core_dev *dev)
749 u32 out[MLX5_ST_SZ_DW(mcqs_reg)] = {};
750 u16 identifier, component_idx = 0;
755 err = mlx5_reg_mcqs_query(dev, out, component_idx);
759 identifier = MLX5_GET(mcqs_reg, out, identifier);
760 quit = !!MLX5_GET(mcqs_reg, out, last_index_flag);
761 quit |= identifier == MCQS_IDENTIFIER_BOOT_IMG;
762 } while (!quit && ++component_idx);
764 if (identifier != MCQS_IDENTIFIER_BOOT_IMG) {
765 mlx5_core_warn(dev, "mcqs: can't find boot_img component ix, last scanned idx %d\n",
770 return component_idx;
774 mlx5_fw_image_pending(struct mlx5_core_dev *dev,
776 bool *pending_version_exists)
778 u32 out[MLX5_ST_SZ_DW(mcqs_reg)];
779 u8 component_update_state;
782 err = mlx5_reg_mcqs_query(dev, out, component_index);
786 component_update_state = MLX5_GET(mcqs_reg, out, component_update_state);
788 if (component_update_state == MCQS_UPDATE_STATE_IDLE) {
789 *pending_version_exists = false;
790 } else if (component_update_state == MCQS_UPDATE_STATE_ACTIVE_PENDING_RESET) {
791 *pending_version_exists = true;
794 "mcqs: can't read pending fw version while fw state is %d\n",
795 component_update_state);
801 int mlx5_fw_version_query(struct mlx5_core_dev *dev,
802 u32 *running_ver, u32 *pending_ver)
804 u32 reg_mcqi_version[MLX5_ST_SZ_DW(mcqi_version)] = {};
805 bool pending_version_exists;
809 if (!MLX5_CAP_GEN(dev, mcam_reg) || !MLX5_CAP_MCAM_REG(dev, mcqi) ||
810 !MLX5_CAP_MCAM_REG(dev, mcqs)) {
811 mlx5_core_warn(dev, "fw query isn't supported by the FW\n");
815 component_index = mlx5_get_boot_img_component_index(dev);
816 if (component_index < 0)
817 return component_index;
819 err = mlx5_reg_mcqi_version_query(dev, component_index,
820 MCQI_FW_RUNNING_VERSION,
825 *running_ver = MLX5_GET(mcqi_version, reg_mcqi_version, version);
827 err = mlx5_fw_image_pending(dev, component_index, &pending_version_exists);
831 if (!pending_version_exists) {
836 err = mlx5_reg_mcqi_version_query(dev, component_index,
837 MCQI_FW_STORED_VERSION,
842 *pending_ver = MLX5_GET(mcqi_version, reg_mcqi_version, version);