1e126ba97SEli Cohen /*
2302bdf68SSaeed Mahameed * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
3e126ba97SEli Cohen *
4e126ba97SEli Cohen * This software is available to you under a choice of one of two
5e126ba97SEli Cohen * licenses. You may choose to be licensed under the terms of the GNU
6e126ba97SEli Cohen * General Public License (GPL) Version 2, available from the file
7e126ba97SEli Cohen * COPYING in the main directory of this source tree, or the
8e126ba97SEli Cohen * OpenIB.org BSD license below:
9e126ba97SEli Cohen *
10e126ba97SEli Cohen * Redistribution and use in source and binary forms, with or
11e126ba97SEli Cohen * without modification, are permitted provided that the following
12e126ba97SEli Cohen * conditions are met:
13e126ba97SEli Cohen *
14e126ba97SEli Cohen * - Redistributions of source code must retain the above
15e126ba97SEli Cohen * copyright notice, this list of conditions and the following
16e126ba97SEli Cohen * disclaimer.
17e126ba97SEli Cohen *
18e126ba97SEli Cohen * - Redistributions in binary form must reproduce the above
19e126ba97SEli Cohen * copyright notice, this list of conditions and the following
20e126ba97SEli Cohen * disclaimer in the documentation and/or other materials
21e126ba97SEli Cohen * provided with the distribution.
22e126ba97SEli Cohen *
23e126ba97SEli Cohen * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24e126ba97SEli Cohen * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25e126ba97SEli Cohen * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26e126ba97SEli Cohen * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27e126ba97SEli Cohen * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28e126ba97SEli Cohen * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29e126ba97SEli Cohen * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30e126ba97SEli Cohen * SOFTWARE.
31e126ba97SEli Cohen */
32e126ba97SEli Cohen
33e126ba97SEli Cohen #include <linux/mlx5/driver.h>
340efc8562SOr Gerlitz #include <linux/mlx5/eswitch.h>
35e126ba97SEli Cohen #include "mlx5_core.h"
3662bd22cfSOr Gerlitz #include "../../mlxfw/mlxfw.h"
3732def412SAmir Tzin #include "lib/tout.h"
38e126ba97SEli Cohen
399c86b07eSShay Agroskin enum {
409c86b07eSShay Agroskin MCQS_IDENTIFIER_BOOT_IMG = 0x1,
419c86b07eSShay Agroskin MCQS_IDENTIFIER_OEM_NVCONFIG = 0x4,
429c86b07eSShay Agroskin MCQS_IDENTIFIER_MLNX_NVCONFIG = 0x5,
439c86b07eSShay Agroskin MCQS_IDENTIFIER_CS_TOKEN = 0x6,
449c86b07eSShay Agroskin MCQS_IDENTIFIER_DBG_TOKEN = 0x7,
459c86b07eSShay Agroskin MCQS_IDENTIFIER_GEARBOX = 0xA,
469c86b07eSShay Agroskin };
479c86b07eSShay Agroskin
489c86b07eSShay Agroskin enum {
499c86b07eSShay Agroskin MCQS_UPDATE_STATE_IDLE,
509c86b07eSShay Agroskin MCQS_UPDATE_STATE_IN_PROGRESS,
519c86b07eSShay Agroskin MCQS_UPDATE_STATE_APPLIED,
529c86b07eSShay Agroskin MCQS_UPDATE_STATE_ACTIVE,
539c86b07eSShay Agroskin MCQS_UPDATE_STATE_ACTIVE_PENDING_RESET,
549c86b07eSShay Agroskin MCQS_UPDATE_STATE_FAILED,
559c86b07eSShay Agroskin MCQS_UPDATE_STATE_CANCELED,
569c86b07eSShay Agroskin MCQS_UPDATE_STATE_BUSY,
579c86b07eSShay Agroskin };
589c86b07eSShay Agroskin
599c86b07eSShay Agroskin enum {
609c86b07eSShay Agroskin MCQI_INFO_TYPE_CAPABILITIES = 0x0,
619c86b07eSShay Agroskin MCQI_INFO_TYPE_VERSION = 0x1,
629c86b07eSShay Agroskin MCQI_INFO_TYPE_ACTIVATION_METHOD = 0x5,
639c86b07eSShay Agroskin };
649c86b07eSShay Agroskin
659c86b07eSShay Agroskin enum {
669c86b07eSShay Agroskin MCQI_FW_RUNNING_VERSION = 0,
679c86b07eSShay Agroskin MCQI_FW_STORED_VERSION = 1,
689c86b07eSShay Agroskin };
699c86b07eSShay Agroskin
mlx5_query_board_id(struct mlx5_core_dev * dev)70211e6c80SMajd Dibbiny int mlx5_query_board_id(struct mlx5_core_dev *dev)
71211e6c80SMajd Dibbiny {
72211e6c80SMajd Dibbiny u32 *out;
73211e6c80SMajd Dibbiny int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
7459ad21c2SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
75e126ba97SEli Cohen int err;
76e126ba97SEli Cohen
77211e6c80SMajd Dibbiny out = kzalloc(outlen, GFP_KERNEL);
78e126ba97SEli Cohen if (!out)
79e126ba97SEli Cohen return -ENOMEM;
80e126ba97SEli Cohen
8159ad21c2SLeon Romanovsky MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
8259ad21c2SLeon Romanovsky err = mlx5_cmd_exec_inout(dev, query_adapter, in, out);
83e126ba97SEli Cohen if (err)
84211e6c80SMajd Dibbiny goto out;
85e126ba97SEli Cohen
86211e6c80SMajd Dibbiny memcpy(dev->board_id,
87211e6c80SMajd Dibbiny MLX5_ADDR_OF(query_adapter_out, out,
88211e6c80SMajd Dibbiny query_adapter_struct.vsd_contd_psid),
89211e6c80SMajd Dibbiny MLX5_FLD_SZ_BYTES(query_adapter_out,
90211e6c80SMajd Dibbiny query_adapter_struct.vsd_contd_psid));
91e126ba97SEli Cohen
92211e6c80SMajd Dibbiny out:
93e126ba97SEli Cohen kfree(out);
94e126ba97SEli Cohen return err;
95e126ba97SEli Cohen }
96e126ba97SEli Cohen
mlx5_core_query_vendor_id(struct mlx5_core_dev * mdev,u32 * vendor_id)97211e6c80SMajd Dibbiny int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
98211e6c80SMajd Dibbiny {
99211e6c80SMajd Dibbiny u32 *out;
100211e6c80SMajd Dibbiny int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
10159ad21c2SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
102211e6c80SMajd Dibbiny int err;
103211e6c80SMajd Dibbiny
104211e6c80SMajd Dibbiny out = kzalloc(outlen, GFP_KERNEL);
105211e6c80SMajd Dibbiny if (!out)
106211e6c80SMajd Dibbiny return -ENOMEM;
107211e6c80SMajd Dibbiny
10859ad21c2SLeon Romanovsky MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
10959ad21c2SLeon Romanovsky err = mlx5_cmd_exec_inout(mdev, query_adapter, in, out);
110211e6c80SMajd Dibbiny if (err)
111211e6c80SMajd Dibbiny goto out;
112211e6c80SMajd Dibbiny
113211e6c80SMajd Dibbiny *vendor_id = MLX5_GET(query_adapter_out, out,
114211e6c80SMajd Dibbiny query_adapter_struct.ieee_vendor_id);
115211e6c80SMajd Dibbiny out:
116211e6c80SMajd Dibbiny kfree(out);
117211e6c80SMajd Dibbiny return err;
118211e6c80SMajd Dibbiny }
119211e6c80SMajd Dibbiny EXPORT_SYMBOL(mlx5_core_query_vendor_id);
120211e6c80SMajd Dibbiny
mlx5_get_pcam_reg(struct mlx5_core_dev * dev)12171862561SGal Pressman static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev)
12271862561SGal Pressman {
12371862561SGal Pressman return mlx5_query_pcam_reg(dev, dev->caps.pcam,
12471862561SGal Pressman MLX5_PCAM_FEATURE_ENHANCED_FEATURES,
12571862561SGal Pressman MLX5_PCAM_REGS_5000_TO_507F);
12671862561SGal Pressman }
12771862561SGal Pressman
mlx5_get_mcam_access_reg_group(struct mlx5_core_dev * dev,enum mlx5_mcam_reg_groups group)128932ef155SEran Ben Elisha static int mlx5_get_mcam_access_reg_group(struct mlx5_core_dev *dev,
129932ef155SEran Ben Elisha enum mlx5_mcam_reg_groups group)
13071862561SGal Pressman {
131932ef155SEran Ben Elisha return mlx5_query_mcam_reg(dev, dev->caps.mcam[group],
132932ef155SEran Ben Elisha MLX5_MCAM_FEATURE_ENHANCED_FEATURES, group);
13371862561SGal Pressman }
13471862561SGal Pressman
mlx5_get_qcam_reg(struct mlx5_core_dev * dev)135c02762ebSHuy Nguyen static int mlx5_get_qcam_reg(struct mlx5_core_dev *dev)
136c02762ebSHuy Nguyen {
137c02762ebSHuy Nguyen return mlx5_query_qcam_reg(dev, dev->caps.qcam,
138c02762ebSHuy Nguyen MLX5_QCAM_FEATURE_ENHANCED_FEATURES,
139c02762ebSHuy Nguyen MLX5_QCAM_REGS_FIRST_128);
140c02762ebSHuy Nguyen }
141c02762ebSHuy Nguyen
mlx5_query_hca_caps(struct mlx5_core_dev * dev)142938fe83cSSaeed Mahameed int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
143e126ba97SEli Cohen {
144e420f0c0SHaggai Eran int err;
145e420f0c0SHaggai Eran
146bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR);
147938fe83cSSaeed Mahameed if (err)
148938fe83cSSaeed Mahameed return err;
149e420f0c0SHaggai Eran
150425a563aSMaor Gottlieb if (MLX5_CAP_GEN(dev, port_selection_cap)) {
151bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_PORT_SELECTION, HCA_CAP_OPMOD_GET_CUR);
152425a563aSMaor Gottlieb if (err)
153425a563aSMaor Gottlieb return err;
154425a563aSMaor Gottlieb }
155425a563aSMaor Gottlieb
15667133eaaSYevgeny Kliteynik if (MLX5_CAP_GEN(dev, hca_cap_2)) {
157bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_GENERAL_2, HCA_CAP_OPMOD_GET_CUR);
15867133eaaSYevgeny Kliteynik if (err)
15967133eaaSYevgeny Kliteynik return err;
16067133eaaSYevgeny Kliteynik }
16167133eaaSYevgeny Kliteynik
162938fe83cSSaeed Mahameed if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
163a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ETHERNET_OFFLOADS,
164a41cb591SShay Drory HCA_CAP_OPMOD_GET_CUR);
165938fe83cSSaeed Mahameed if (err)
166e420f0c0SHaggai Eran return err;
167e420f0c0SHaggai Eran }
168938fe83cSSaeed Mahameed
1694ce749bdSYishai Hadas if (MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) {
170a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_IPOIB_ENHANCED_OFFLOADS,
171a41cb591SShay Drory HCA_CAP_OPMOD_GET_CUR);
1724ce749bdSYishai Hadas if (err)
1734ce749bdSYishai Hadas return err;
1744ce749bdSYishai Hadas }
1754ce749bdSYishai Hadas
176938fe83cSSaeed Mahameed if (MLX5_CAP_GEN(dev, pg)) {
177bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ODP, HCA_CAP_OPMOD_GET_CUR);
178938fe83cSSaeed Mahameed if (err)
179938fe83cSSaeed Mahameed return err;
180938fe83cSSaeed Mahameed }
181938fe83cSSaeed Mahameed
182938fe83cSSaeed Mahameed if (MLX5_CAP_GEN(dev, atomic)) {
183bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ATOMIC, HCA_CAP_OPMOD_GET_CUR);
184938fe83cSSaeed Mahameed if (err)
185938fe83cSSaeed Mahameed return err;
186938fe83cSSaeed Mahameed }
187938fe83cSSaeed Mahameed
188938fe83cSSaeed Mahameed if (MLX5_CAP_GEN(dev, roce)) {
189bd3a2f77SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ROCE, HCA_CAP_OPMOD_GET_CUR);
190938fe83cSSaeed Mahameed if (err)
191938fe83cSSaeed Mahameed return err;
192938fe83cSSaeed Mahameed }
193938fe83cSSaeed Mahameed
194ffdb8827SErez Shitrit if (MLX5_CAP_GEN(dev, nic_flow_table) ||
195ffdb8827SErez Shitrit MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) {
196a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_FLOW_TABLE, HCA_CAP_OPMOD_GET_CUR);
197938fe83cSSaeed Mahameed if (err)
198938fe83cSSaeed Mahameed return err;
199938fe83cSSaeed Mahameed }
200495716b1SSaeed Mahameed
2016cb9318aSRoi Dayan if (MLX5_ESWITCH_MANAGER(dev)) {
202a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ESWITCH_FLOW_TABLE,
203a41cb591SShay Drory HCA_CAP_OPMOD_GET_CUR);
204495716b1SSaeed Mahameed if (err)
205495716b1SSaeed Mahameed return err;
206495716b1SSaeed Mahameed
207a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ESWITCH, HCA_CAP_OPMOD_GET_CUR);
208d6666753SSaeed Mahameed if (err)
209d6666753SSaeed Mahameed return err;
210d6666753SSaeed Mahameed }
211d6666753SSaeed Mahameed
2121466cc5bSYevgeny Petrilin if (MLX5_CAP_GEN(dev, qos)) {
213a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_QOS, HCA_CAP_OPMOD_GET_CUR);
2141466cc5bSYevgeny Petrilin if (err)
2151466cc5bSYevgeny Petrilin return err;
2161466cc5bSYevgeny Petrilin }
2171466cc5bSYevgeny Petrilin
2182fcb12dfSInbar Karmy if (MLX5_CAP_GEN(dev, debug))
219a41cb591SShay Drory mlx5_core_get_caps_mode(dev, MLX5_CAP_DEBUG, HCA_CAP_OPMOD_GET_CUR);
2202fcb12dfSInbar Karmy
22171862561SGal Pressman if (MLX5_CAP_GEN(dev, pcam_reg))
22271862561SGal Pressman mlx5_get_pcam_reg(dev);
22371862561SGal Pressman
224932ef155SEran Ben Elisha if (MLX5_CAP_GEN(dev, mcam_reg)) {
225932ef155SEran Ben Elisha mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_FIRST_128);
226932ef155SEran Ben Elisha mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_0x9100_0x917F);
227932ef155SEran Ben Elisha }
22871862561SGal Pressman
229c02762ebSHuy Nguyen if (MLX5_CAP_GEN(dev, qcam_reg))
230c02762ebSHuy Nguyen mlx5_get_qcam_reg(dev);
231c02762ebSHuy Nguyen
232e72bd817SAriel Levkovich if (MLX5_CAP_GEN(dev, device_memory)) {
233a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_DEV_MEM, HCA_CAP_OPMOD_GET_CUR);
234e72bd817SAriel Levkovich if (err)
235e72bd817SAriel Levkovich return err;
236e72bd817SAriel Levkovich }
237e72bd817SAriel Levkovich
238b9a7ba55SYishai Hadas if (MLX5_CAP_GEN(dev, event_cap)) {
239a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_DEV_EVENT, HCA_CAP_OPMOD_GET_CUR);
240b9a7ba55SYishai Hadas if (err)
241b9a7ba55SYishai Hadas return err;
242b9a7ba55SYishai Hadas }
243b9a7ba55SYishai Hadas
244e59437aaSLeon Romanovsky if (MLX5_CAP_GEN(dev, tls_tx) || MLX5_CAP_GEN(dev, tls_rx)) {
245a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_TLS, HCA_CAP_OPMOD_GET_CUR);
246d2ead1f3STariq Toukan if (err)
247d2ead1f3STariq Toukan return err;
248d2ead1f3STariq Toukan }
249d2ead1f3STariq Toukan
250ca1992c6SYishai Hadas if (MLX5_CAP_GEN_64(dev, general_obj_types) &
251ca1992c6SYishai Hadas MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q) {
252a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_VDPA_EMULATION, HCA_CAP_OPMOD_GET_CUR);
253ca1992c6SYishai Hadas if (err)
254ca1992c6SYishai Hadas return err;
255ca1992c6SYishai Hadas }
256ca1992c6SYishai Hadas
2572d64663cSRaed Salem if (MLX5_CAP_GEN(dev, ipsec_offload)) {
258a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_IPSEC, HCA_CAP_OPMOD_GET_CUR);
2592d64663cSRaed Salem if (err)
2602d64663cSRaed Salem return err;
2612d64663cSRaed Salem }
2622d64663cSRaed Salem
263fe298bdfSJianbo Liu if (MLX5_CAP_GEN(dev, crypto)) {
264a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_CRYPTO, HCA_CAP_OPMOD_GET_CUR);
265fe298bdfSJianbo Liu if (err)
266fe298bdfSJianbo Liu return err;
267fe298bdfSJianbo Liu }
268fe298bdfSJianbo Liu
2698ff0ac5bSLior Nahmanson if (MLX5_CAP_GEN_64(dev, general_obj_types) &
2708ff0ac5bSLior Nahmanson MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD) {
271a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_MACSEC, HCA_CAP_OPMOD_GET_CUR);
2728ff0ac5bSLior Nahmanson if (err)
2738ff0ac5bSLior Nahmanson return err;
2748ff0ac5bSLior Nahmanson }
2758ff0ac5bSLior Nahmanson
27693983863SYishai Hadas if (MLX5_CAP_GEN(dev, adv_virtualization)) {
277a41cb591SShay Drory err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ADV_VIRTUALIZATION,
278a41cb591SShay Drory HCA_CAP_OPMOD_GET_CUR);
27993983863SYishai Hadas if (err)
28093983863SYishai Hadas return err;
28193983863SYishai Hadas }
28293983863SYishai Hadas
283938fe83cSSaeed Mahameed return 0;
284938fe83cSSaeed Mahameed }
285e420f0c0SHaggai Eran
mlx5_cmd_init_hca(struct mlx5_core_dev * dev,uint32_t * sw_owner_id)2868737f818SDaniel Jurgens int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id)
287e126ba97SEli Cohen {
28859ad21c2SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {};
2898737f818SDaniel Jurgens int i;
290e126ba97SEli Cohen
29104ed5ad5SSaeed Mahameed MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA);
2928737f818SDaniel Jurgens
2938737f818SDaniel Jurgens if (MLX5_CAP_GEN(dev, sw_owner_id)) {
2948737f818SDaniel Jurgens for (i = 0; i < 4; i++)
2958737f818SDaniel Jurgens MLX5_ARRAY_SET(init_hca_in, in, sw_owner_id, i,
2968737f818SDaniel Jurgens sw_owner_id[i]);
2978737f818SDaniel Jurgens }
2988737f818SDaniel Jurgens
299dc402cccSYishai Hadas if (MLX5_CAP_GEN_2_MAX(dev, sw_vhca_id_valid) &&
300dc402cccSYishai Hadas dev->priv.sw_vhca_id > 0)
301dc402cccSYishai Hadas MLX5_SET(init_hca_in, in, sw_vhca_id, dev->priv.sw_vhca_id);
302dc402cccSYishai Hadas
30359ad21c2SLeon Romanovsky return mlx5_cmd_exec_in(dev, init_hca, in);
304e126ba97SEli Cohen }
305e126ba97SEli Cohen
mlx5_cmd_teardown_hca(struct mlx5_core_dev * dev)306e126ba97SEli Cohen int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
307e126ba97SEli Cohen {
30859ad21c2SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
309e126ba97SEli Cohen
31004ed5ad5SSaeed Mahameed MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
31159ad21c2SLeon Romanovsky return mlx5_cmd_exec_in(dev, teardown_hca, in);
312e126ba97SEli Cohen }
3138812c24dSMajd Dibbiny
mlx5_cmd_force_teardown_hca(struct mlx5_core_dev * dev)3148812c24dSMajd Dibbiny int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev)
3158812c24dSMajd Dibbiny {
3168812c24dSMajd Dibbiny u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
3178812c24dSMajd Dibbiny u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0};
3188812c24dSMajd Dibbiny int force_state;
3198812c24dSMajd Dibbiny int ret;
3208812c24dSMajd Dibbiny
3218812c24dSMajd Dibbiny if (!MLX5_CAP_GEN(dev, force_teardown)) {
3228812c24dSMajd Dibbiny mlx5_core_dbg(dev, "force teardown is not supported in the firmware\n");
3238812c24dSMajd Dibbiny return -EOPNOTSUPP;
3248812c24dSMajd Dibbiny }
3258812c24dSMajd Dibbiny
3268812c24dSMajd Dibbiny MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
3278812c24dSMajd Dibbiny MLX5_SET(teardown_hca_in, in, profile, MLX5_TEARDOWN_HCA_IN_PROFILE_FORCE_CLOSE);
3288812c24dSMajd Dibbiny
3298812c24dSMajd Dibbiny ret = mlx5_cmd_exec_polling(dev, in, sizeof(in), out, sizeof(out));
3308812c24dSMajd Dibbiny if (ret)
3318812c24dSMajd Dibbiny return ret;
3328812c24dSMajd Dibbiny
333fcd29ad1SFeras Daoud force_state = MLX5_GET(teardown_hca_out, out, state);
3348812c24dSMajd Dibbiny if (force_state == MLX5_TEARDOWN_HCA_OUT_FORCE_STATE_FAIL) {
3356c750628SAlaa Hleihel mlx5_core_warn(dev, "teardown with force mode failed, doing normal teardown\n");
3368812c24dSMajd Dibbiny return -EIO;
3378812c24dSMajd Dibbiny }
3388812c24dSMajd Dibbiny
3398812c24dSMajd Dibbiny return 0;
3408812c24dSMajd Dibbiny }
341d2ad488bSOr Gerlitz
mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev * dev)342fcd29ad1SFeras Daoud int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev)
343fcd29ad1SFeras Daoud {
34432def412SAmir Tzin unsigned long end, delay_ms = mlx5_tout_ms(dev, TEARDOWN);
34559ad21c2SLeon Romanovsky u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {};
34659ad21c2SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
347fcd29ad1SFeras Daoud int state;
348fcd29ad1SFeras Daoud int ret;
349fcd29ad1SFeras Daoud
350fcd29ad1SFeras Daoud if (!MLX5_CAP_GEN(dev, fast_teardown)) {
351fcd29ad1SFeras Daoud mlx5_core_dbg(dev, "fast teardown is not supported in the firmware\n");
352fcd29ad1SFeras Daoud return -EOPNOTSUPP;
353fcd29ad1SFeras Daoud }
354fcd29ad1SFeras Daoud
355fcd29ad1SFeras Daoud MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
356fcd29ad1SFeras Daoud MLX5_SET(teardown_hca_in, in, profile,
357fcd29ad1SFeras Daoud MLX5_TEARDOWN_HCA_IN_PROFILE_PREPARE_FAST_TEARDOWN);
358fcd29ad1SFeras Daoud
35959ad21c2SLeon Romanovsky ret = mlx5_cmd_exec_inout(dev, teardown_hca, in, out);
360fcd29ad1SFeras Daoud if (ret)
361fcd29ad1SFeras Daoud return ret;
362fcd29ad1SFeras Daoud
363fcd29ad1SFeras Daoud state = MLX5_GET(teardown_hca_out, out, state);
364fcd29ad1SFeras Daoud if (state == MLX5_TEARDOWN_HCA_OUT_FORCE_STATE_FAIL) {
365fcd29ad1SFeras Daoud mlx5_core_warn(dev, "teardown with fast mode failed\n");
366fcd29ad1SFeras Daoud return -EIO;
367fcd29ad1SFeras Daoud }
368fcd29ad1SFeras Daoud
369fcd29ad1SFeras Daoud mlx5_set_nic_state(dev, MLX5_NIC_IFC_DISABLED);
370fcd29ad1SFeras Daoud
371fcd29ad1SFeras Daoud /* Loop until device state turns to disable */
372fcd29ad1SFeras Daoud end = jiffies + msecs_to_jiffies(delay_ms);
373fcd29ad1SFeras Daoud do {
374fcd29ad1SFeras Daoud if (mlx5_get_nic_state(dev) == MLX5_NIC_IFC_DISABLED)
375fcd29ad1SFeras Daoud break;
376e3001df3SMoshe Shemesh if (pci_channel_offline(dev->pdev)) {
377e3001df3SMoshe Shemesh mlx5_core_err(dev, "PCI channel offline, stop waiting for NIC IFC\n");
378e3001df3SMoshe Shemesh return -EACCES;
379e3001df3SMoshe Shemesh }
380fcd29ad1SFeras Daoud
381fcd29ad1SFeras Daoud cond_resched();
382fcd29ad1SFeras Daoud } while (!time_after(jiffies, end));
383fcd29ad1SFeras Daoud
384fcd29ad1SFeras Daoud if (mlx5_get_nic_state(dev) != MLX5_NIC_IFC_DISABLED) {
385fcd29ad1SFeras Daoud dev_err(&dev->pdev->dev, "NIC IFC still %d after %lums.\n",
386fcd29ad1SFeras Daoud mlx5_get_nic_state(dev), delay_ms);
387fcd29ad1SFeras Daoud return -EIO;
388fcd29ad1SFeras Daoud }
389fcd29ad1SFeras Daoud
390fcd29ad1SFeras Daoud return 0;
391fcd29ad1SFeras Daoud }
392fcd29ad1SFeras Daoud
393d2ad488bSOr Gerlitz enum mlxsw_reg_mcc_instruction {
394d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE = 0x01,
395d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE = 0x02,
396d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_UPDATE_COMPONENT = 0x03,
397d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_VERIFY_COMPONENT = 0x04,
398d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_ACTIVATE = 0x06,
399d2ad488bSOr Gerlitz MLX5_REG_MCC_INSTRUCTION_CANCEL = 0x08,
400d2ad488bSOr Gerlitz };
401d2ad488bSOr Gerlitz
mlx5_reg_mcc_set(struct mlx5_core_dev * dev,enum mlxsw_reg_mcc_instruction instr,u16 component_index,u32 update_handle,u32 component_size)402d2ad488bSOr Gerlitz static int mlx5_reg_mcc_set(struct mlx5_core_dev *dev,
403d2ad488bSOr Gerlitz enum mlxsw_reg_mcc_instruction instr,
404d2ad488bSOr Gerlitz u16 component_index, u32 update_handle,
405d2ad488bSOr Gerlitz u32 component_size)
406d2ad488bSOr Gerlitz {
407d2ad488bSOr Gerlitz u32 out[MLX5_ST_SZ_DW(mcc_reg)];
408d2ad488bSOr Gerlitz u32 in[MLX5_ST_SZ_DW(mcc_reg)];
409d2ad488bSOr Gerlitz
410d2ad488bSOr Gerlitz memset(in, 0, sizeof(in));
411d2ad488bSOr Gerlitz
412d2ad488bSOr Gerlitz MLX5_SET(mcc_reg, in, instruction, instr);
413d2ad488bSOr Gerlitz MLX5_SET(mcc_reg, in, component_index, component_index);
414d2ad488bSOr Gerlitz MLX5_SET(mcc_reg, in, update_handle, update_handle);
415d2ad488bSOr Gerlitz MLX5_SET(mcc_reg, in, component_size, component_size);
416d2ad488bSOr Gerlitz
417d2ad488bSOr Gerlitz return mlx5_core_access_reg(dev, in, sizeof(in), out,
418d2ad488bSOr Gerlitz sizeof(out), MLX5_REG_MCC, 0, 1);
419d2ad488bSOr Gerlitz }
420d2ad488bSOr Gerlitz
mlx5_reg_mcc_query(struct mlx5_core_dev * dev,u32 * update_handle,u8 * error_code,u8 * control_state)421d2ad488bSOr Gerlitz static int mlx5_reg_mcc_query(struct mlx5_core_dev *dev,
422d2ad488bSOr Gerlitz u32 *update_handle, u8 *error_code,
423d2ad488bSOr Gerlitz u8 *control_state)
424d2ad488bSOr Gerlitz {
425d2ad488bSOr Gerlitz u32 out[MLX5_ST_SZ_DW(mcc_reg)];
426d2ad488bSOr Gerlitz u32 in[MLX5_ST_SZ_DW(mcc_reg)];
427d2ad488bSOr Gerlitz int err;
428d2ad488bSOr Gerlitz
429d2ad488bSOr Gerlitz memset(in, 0, sizeof(in));
430d2ad488bSOr Gerlitz memset(out, 0, sizeof(out));
431d2ad488bSOr Gerlitz MLX5_SET(mcc_reg, in, update_handle, *update_handle);
432d2ad488bSOr Gerlitz
433d2ad488bSOr Gerlitz err = mlx5_core_access_reg(dev, in, sizeof(in), out,
434d2ad488bSOr Gerlitz sizeof(out), MLX5_REG_MCC, 0, 0);
435d2ad488bSOr Gerlitz if (err)
436d2ad488bSOr Gerlitz goto out;
437d2ad488bSOr Gerlitz
438d2ad488bSOr Gerlitz *update_handle = MLX5_GET(mcc_reg, out, update_handle);
439d2ad488bSOr Gerlitz *error_code = MLX5_GET(mcc_reg, out, error_code);
440d2ad488bSOr Gerlitz *control_state = MLX5_GET(mcc_reg, out, control_state);
441d2ad488bSOr Gerlitz
442d2ad488bSOr Gerlitz out:
443d2ad488bSOr Gerlitz return err;
444d2ad488bSOr Gerlitz }
445d2ad488bSOr Gerlitz
mlx5_reg_mcda_set(struct mlx5_core_dev * dev,u32 update_handle,u32 offset,u16 size,u8 * data)446d2ad488bSOr Gerlitz static int mlx5_reg_mcda_set(struct mlx5_core_dev *dev,
447d2ad488bSOr Gerlitz u32 update_handle,
448d2ad488bSOr Gerlitz u32 offset, u16 size,
449d2ad488bSOr Gerlitz u8 *data)
450d2ad488bSOr Gerlitz {
451d2ad488bSOr Gerlitz int err, in_size = MLX5_ST_SZ_BYTES(mcda_reg) + size;
452d2ad488bSOr Gerlitz u32 out[MLX5_ST_SZ_DW(mcda_reg)];
453d2ad488bSOr Gerlitz int i, j, dw_size = size >> 2;
454d2ad488bSOr Gerlitz __be32 data_element;
455d2ad488bSOr Gerlitz u32 *in;
456d2ad488bSOr Gerlitz
457d2ad488bSOr Gerlitz in = kzalloc(in_size, GFP_KERNEL);
458d2ad488bSOr Gerlitz if (!in)
459d2ad488bSOr Gerlitz return -ENOMEM;
460d2ad488bSOr Gerlitz
461d2ad488bSOr Gerlitz MLX5_SET(mcda_reg, in, update_handle, update_handle);
462d2ad488bSOr Gerlitz MLX5_SET(mcda_reg, in, offset, offset);
463d2ad488bSOr Gerlitz MLX5_SET(mcda_reg, in, size, size);
464d2ad488bSOr Gerlitz
465d2ad488bSOr Gerlitz for (i = 0; i < dw_size; i++) {
466d2ad488bSOr Gerlitz j = i * 4;
467d2ad488bSOr Gerlitz data_element = htonl(*(u32 *)&data[j]);
468d2ad488bSOr Gerlitz memcpy(MLX5_ADDR_OF(mcda_reg, in, data) + j, &data_element, 4);
469d2ad488bSOr Gerlitz }
470d2ad488bSOr Gerlitz
471d2ad488bSOr Gerlitz err = mlx5_core_access_reg(dev, in, in_size, out,
472d2ad488bSOr Gerlitz sizeof(out), MLX5_REG_MCDA, 0, 1);
473d2ad488bSOr Gerlitz kfree(in);
474d2ad488bSOr Gerlitz return err;
475d2ad488bSOr Gerlitz }
476d2ad488bSOr Gerlitz
mlx5_reg_mcqi_query(struct mlx5_core_dev * dev,u16 component_index,bool read_pending,u8 info_type,u16 data_size,void * mcqi_data)477d2ad488bSOr Gerlitz static int mlx5_reg_mcqi_query(struct mlx5_core_dev *dev,
4789c86b07eSShay Agroskin u16 component_index, bool read_pending,
4799c86b07eSShay Agroskin u8 info_type, u16 data_size, void *mcqi_data)
480d2ad488bSOr Gerlitz {
4819c86b07eSShay Agroskin u32 out[MLX5_ST_SZ_DW(mcqi_reg) + MLX5_UN_SZ_DW(mcqi_reg_data)] = {};
4829c86b07eSShay Agroskin u32 in[MLX5_ST_SZ_DW(mcqi_reg)] = {};
4839c86b07eSShay Agroskin void *data;
484d2ad488bSOr Gerlitz int err;
485d2ad488bSOr Gerlitz
486d2ad488bSOr Gerlitz MLX5_SET(mcqi_reg, in, component_index, component_index);
4879c86b07eSShay Agroskin MLX5_SET(mcqi_reg, in, read_pending_component, read_pending);
4889c86b07eSShay Agroskin MLX5_SET(mcqi_reg, in, info_type, info_type);
4899c86b07eSShay Agroskin MLX5_SET(mcqi_reg, in, data_size, data_size);
490d2ad488bSOr Gerlitz
491d2ad488bSOr Gerlitz err = mlx5_core_access_reg(dev, in, sizeof(in), out,
4929c86b07eSShay Agroskin MLX5_ST_SZ_BYTES(mcqi_reg) + data_size,
4939c86b07eSShay Agroskin MLX5_REG_MCQI, 0, 0);
494d2ad488bSOr Gerlitz if (err)
495d2ad488bSOr Gerlitz return err;
4969c86b07eSShay Agroskin
4979c86b07eSShay Agroskin data = MLX5_ADDR_OF(mcqi_reg, out, data);
4989c86b07eSShay Agroskin memcpy(mcqi_data, data, data_size);
4999c86b07eSShay Agroskin
5009c86b07eSShay Agroskin return 0;
5019c86b07eSShay Agroskin }
5029c86b07eSShay Agroskin
mlx5_reg_mcqi_caps_query(struct mlx5_core_dev * dev,u16 component_index,u32 * max_component_size,u8 * log_mcda_word_size,u16 * mcda_max_write_size)5039c86b07eSShay Agroskin static int mlx5_reg_mcqi_caps_query(struct mlx5_core_dev *dev, u16 component_index,
5049c86b07eSShay Agroskin u32 *max_component_size, u8 *log_mcda_word_size,
5059c86b07eSShay Agroskin u16 *mcda_max_write_size)
5069c86b07eSShay Agroskin {
5079c86b07eSShay Agroskin u32 mcqi_reg[MLX5_ST_SZ_DW(mcqi_cap)] = {};
5089c86b07eSShay Agroskin int err;
5099c86b07eSShay Agroskin
5109c86b07eSShay Agroskin err = mlx5_reg_mcqi_query(dev, component_index, 0,
5119c86b07eSShay Agroskin MCQI_INFO_TYPE_CAPABILITIES,
5129c86b07eSShay Agroskin MLX5_ST_SZ_BYTES(mcqi_cap), mcqi_reg);
5139c86b07eSShay Agroskin if (err)
5149c86b07eSShay Agroskin return err;
5159c86b07eSShay Agroskin
5169c86b07eSShay Agroskin *max_component_size = MLX5_GET(mcqi_cap, mcqi_reg, max_component_size);
5179c86b07eSShay Agroskin *log_mcda_word_size = MLX5_GET(mcqi_cap, mcqi_reg, log_mcda_word_size);
5189c86b07eSShay Agroskin *mcda_max_write_size = MLX5_GET(mcqi_cap, mcqi_reg, mcda_max_write_size);
5199c86b07eSShay Agroskin
5209c86b07eSShay Agroskin return 0;
521d2ad488bSOr Gerlitz }
52262bd22cfSOr Gerlitz
52362bd22cfSOr Gerlitz struct mlx5_mlxfw_dev {
52462bd22cfSOr Gerlitz struct mlxfw_dev mlxfw_dev;
52562bd22cfSOr Gerlitz struct mlx5_core_dev *mlx5_core_dev;
52662bd22cfSOr Gerlitz };
52762bd22cfSOr Gerlitz
mlx5_component_query(struct mlxfw_dev * mlxfw_dev,u16 component_index,u32 * p_max_size,u8 * p_align_bits,u16 * p_max_write_size)52862bd22cfSOr Gerlitz static int mlx5_component_query(struct mlxfw_dev *mlxfw_dev,
52962bd22cfSOr Gerlitz u16 component_index, u32 *p_max_size,
53062bd22cfSOr Gerlitz u8 *p_align_bits, u16 *p_max_write_size)
53162bd22cfSOr Gerlitz {
53262bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
53362bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
53462bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
53562bd22cfSOr Gerlitz
5369c86b07eSShay Agroskin if (!MLX5_CAP_GEN(dev, mcam_reg) || !MLX5_CAP_MCAM_REG(dev, mcqi)) {
5379c86b07eSShay Agroskin mlx5_core_warn(dev, "caps query isn't supported by running FW\n");
5389c86b07eSShay Agroskin return -EOPNOTSUPP;
5399c86b07eSShay Agroskin }
5409c86b07eSShay Agroskin
5419c86b07eSShay Agroskin return mlx5_reg_mcqi_caps_query(dev, component_index, p_max_size,
54262bd22cfSOr Gerlitz p_align_bits, p_max_write_size);
54362bd22cfSOr Gerlitz }
54462bd22cfSOr Gerlitz
mlx5_fsm_lock(struct mlxfw_dev * mlxfw_dev,u32 * fwhandle)54562bd22cfSOr Gerlitz static int mlx5_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
54662bd22cfSOr Gerlitz {
54762bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
54862bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
54962bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
55062bd22cfSOr Gerlitz u8 control_state, error_code;
55162bd22cfSOr Gerlitz int err;
55262bd22cfSOr Gerlitz
55362bd22cfSOr Gerlitz *fwhandle = 0;
55462bd22cfSOr Gerlitz err = mlx5_reg_mcc_query(dev, fwhandle, &error_code, &control_state);
55562bd22cfSOr Gerlitz if (err)
55662bd22cfSOr Gerlitz return err;
55762bd22cfSOr Gerlitz
55862bd22cfSOr Gerlitz if (control_state != MLXFW_FSM_STATE_IDLE)
55962bd22cfSOr Gerlitz return -EBUSY;
56062bd22cfSOr Gerlitz
56162bd22cfSOr Gerlitz return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
56262bd22cfSOr Gerlitz 0, *fwhandle, 0);
56362bd22cfSOr Gerlitz }
56462bd22cfSOr Gerlitz
mlx5_fsm_component_update(struct mlxfw_dev * mlxfw_dev,u32 fwhandle,u16 component_index,u32 component_size)56562bd22cfSOr Gerlitz static int mlx5_fsm_component_update(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
56662bd22cfSOr Gerlitz u16 component_index, u32 component_size)
56762bd22cfSOr Gerlitz {
56862bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
56962bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
57062bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
57162bd22cfSOr Gerlitz
57262bd22cfSOr Gerlitz return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
57362bd22cfSOr Gerlitz component_index, fwhandle, component_size);
57462bd22cfSOr Gerlitz }
57562bd22cfSOr Gerlitz
mlx5_fsm_block_download(struct mlxfw_dev * mlxfw_dev,u32 fwhandle,u8 * data,u16 size,u32 offset)57662bd22cfSOr Gerlitz static int mlx5_fsm_block_download(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
57762bd22cfSOr Gerlitz u8 *data, u16 size, u32 offset)
57862bd22cfSOr Gerlitz {
57962bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
58062bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
58162bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
58262bd22cfSOr Gerlitz
58362bd22cfSOr Gerlitz return mlx5_reg_mcda_set(dev, fwhandle, offset, size, data);
58462bd22cfSOr Gerlitz }
58562bd22cfSOr Gerlitz
mlx5_fsm_component_verify(struct mlxfw_dev * mlxfw_dev,u32 fwhandle,u16 component_index)58662bd22cfSOr Gerlitz static int mlx5_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
58762bd22cfSOr Gerlitz u16 component_index)
58862bd22cfSOr Gerlitz {
58962bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
59062bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
59162bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
59262bd22cfSOr Gerlitz
59362bd22cfSOr Gerlitz return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
59462bd22cfSOr Gerlitz component_index, fwhandle, 0);
59562bd22cfSOr Gerlitz }
59662bd22cfSOr Gerlitz
mlx5_fsm_activate(struct mlxfw_dev * mlxfw_dev,u32 fwhandle)59762bd22cfSOr Gerlitz static int mlx5_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
59862bd22cfSOr Gerlitz {
59962bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
60062bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
60162bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
60262bd22cfSOr Gerlitz
60362bd22cfSOr Gerlitz return mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_ACTIVATE, 0,
60462bd22cfSOr Gerlitz fwhandle, 0);
60562bd22cfSOr Gerlitz }
60662bd22cfSOr Gerlitz
mlx5_fsm_query_state(struct mlxfw_dev * mlxfw_dev,u32 fwhandle,enum mlxfw_fsm_state * fsm_state,enum mlxfw_fsm_state_err * fsm_state_err)60762bd22cfSOr Gerlitz static int mlx5_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
60862bd22cfSOr Gerlitz enum mlxfw_fsm_state *fsm_state,
60962bd22cfSOr Gerlitz enum mlxfw_fsm_state_err *fsm_state_err)
61062bd22cfSOr Gerlitz {
61162bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
61262bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
61362bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
61462bd22cfSOr Gerlitz u8 control_state, error_code;
61562bd22cfSOr Gerlitz int err;
61662bd22cfSOr Gerlitz
61762bd22cfSOr Gerlitz err = mlx5_reg_mcc_query(dev, &fwhandle, &error_code, &control_state);
61862bd22cfSOr Gerlitz if (err)
61962bd22cfSOr Gerlitz return err;
62062bd22cfSOr Gerlitz
62162bd22cfSOr Gerlitz *fsm_state = control_state;
62262bd22cfSOr Gerlitz *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
62362bd22cfSOr Gerlitz MLXFW_FSM_STATE_ERR_MAX);
62462bd22cfSOr Gerlitz return 0;
62562bd22cfSOr Gerlitz }
62662bd22cfSOr Gerlitz
mlx5_fsm_cancel(struct mlxfw_dev * mlxfw_dev,u32 fwhandle)62762bd22cfSOr Gerlitz static void mlx5_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
62862bd22cfSOr Gerlitz {
62962bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
63062bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
63162bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
63262bd22cfSOr Gerlitz
63362bd22cfSOr Gerlitz mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_CANCEL, 0, fwhandle, 0);
63462bd22cfSOr Gerlitz }
63562bd22cfSOr Gerlitz
mlx5_fsm_release(struct mlxfw_dev * mlxfw_dev,u32 fwhandle)63662bd22cfSOr Gerlitz static void mlx5_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
63762bd22cfSOr Gerlitz {
63862bd22cfSOr Gerlitz struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
63962bd22cfSOr Gerlitz container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
64062bd22cfSOr Gerlitz struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
64162bd22cfSOr Gerlitz
64262bd22cfSOr Gerlitz mlx5_reg_mcc_set(dev, MLX5_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
64362bd22cfSOr Gerlitz fwhandle, 0);
64462bd22cfSOr Gerlitz }
64562bd22cfSOr Gerlitz
mlx5_fsm_reactivate(struct mlxfw_dev * mlxfw_dev,u8 * status)646b7331aa2SEran Ben Elisha static int mlx5_fsm_reactivate(struct mlxfw_dev *mlxfw_dev, u8 *status)
647b7331aa2SEran Ben Elisha {
648b7331aa2SEran Ben Elisha struct mlx5_mlxfw_dev *mlx5_mlxfw_dev =
649b7331aa2SEran Ben Elisha container_of(mlxfw_dev, struct mlx5_mlxfw_dev, mlxfw_dev);
650b7331aa2SEran Ben Elisha struct mlx5_core_dev *dev = mlx5_mlxfw_dev->mlx5_core_dev;
651b7331aa2SEran Ben Elisha u32 out[MLX5_ST_SZ_DW(mirc_reg)];
652b7331aa2SEran Ben Elisha u32 in[MLX5_ST_SZ_DW(mirc_reg)];
65332def412SAmir Tzin unsigned long exp_time;
654b7331aa2SEran Ben Elisha int err;
655b7331aa2SEran Ben Elisha
65632def412SAmir Tzin exp_time = jiffies + msecs_to_jiffies(mlx5_tout_ms(dev, FSM_REACTIVATE));
65732def412SAmir Tzin
658b7331aa2SEran Ben Elisha if (!MLX5_CAP_MCAM_REG2(dev, mirc))
659b7331aa2SEran Ben Elisha return -EOPNOTSUPP;
660b7331aa2SEran Ben Elisha
661b7331aa2SEran Ben Elisha memset(in, 0, sizeof(in));
662b7331aa2SEran Ben Elisha
663b7331aa2SEran Ben Elisha err = mlx5_core_access_reg(dev, in, sizeof(in), out,
664b7331aa2SEran Ben Elisha sizeof(out), MLX5_REG_MIRC, 0, 1);
665b7331aa2SEran Ben Elisha if (err)
666b7331aa2SEran Ben Elisha return err;
667b7331aa2SEran Ben Elisha
668b7331aa2SEran Ben Elisha do {
669b7331aa2SEran Ben Elisha memset(out, 0, sizeof(out));
670b7331aa2SEran Ben Elisha err = mlx5_core_access_reg(dev, in, sizeof(in), out,
671b7331aa2SEran Ben Elisha sizeof(out), MLX5_REG_MIRC, 0, 0);
672b7331aa2SEran Ben Elisha if (err)
673b7331aa2SEran Ben Elisha return err;
674b7331aa2SEran Ben Elisha
675b7331aa2SEran Ben Elisha *status = MLX5_GET(mirc_reg, out, status_code);
676b7331aa2SEran Ben Elisha if (*status != MLXFW_FSM_REACTIVATE_STATUS_BUSY)
677b7331aa2SEran Ben Elisha return 0;
678b7331aa2SEran Ben Elisha
679b7331aa2SEran Ben Elisha msleep(20);
680b7331aa2SEran Ben Elisha } while (time_before(jiffies, exp_time));
681b7331aa2SEran Ben Elisha
682b7331aa2SEran Ben Elisha return 0;
683b7331aa2SEran Ben Elisha }
684b7331aa2SEran Ben Elisha
68562bd22cfSOr Gerlitz static const struct mlxfw_dev_ops mlx5_mlxfw_dev_ops = {
68662bd22cfSOr Gerlitz .component_query = mlx5_component_query,
68762bd22cfSOr Gerlitz .fsm_lock = mlx5_fsm_lock,
68862bd22cfSOr Gerlitz .fsm_component_update = mlx5_fsm_component_update,
68962bd22cfSOr Gerlitz .fsm_block_download = mlx5_fsm_block_download,
69062bd22cfSOr Gerlitz .fsm_component_verify = mlx5_fsm_component_verify,
69162bd22cfSOr Gerlitz .fsm_activate = mlx5_fsm_activate,
692b7331aa2SEran Ben Elisha .fsm_reactivate = mlx5_fsm_reactivate,
69362bd22cfSOr Gerlitz .fsm_query_state = mlx5_fsm_query_state,
69462bd22cfSOr Gerlitz .fsm_cancel = mlx5_fsm_cancel,
69562bd22cfSOr Gerlitz .fsm_release = mlx5_fsm_release
69662bd22cfSOr Gerlitz };
69762bd22cfSOr Gerlitz
mlx5_firmware_flash(struct mlx5_core_dev * dev,const struct firmware * firmware,struct netlink_ext_ack * extack)69862bd22cfSOr Gerlitz int mlx5_firmware_flash(struct mlx5_core_dev *dev,
69944f18db5SJiri Pirko const struct firmware *firmware,
70044f18db5SJiri Pirko struct netlink_ext_ack *extack)
70162bd22cfSOr Gerlitz {
70262bd22cfSOr Gerlitz struct mlx5_mlxfw_dev mlx5_mlxfw_dev = {
70362bd22cfSOr Gerlitz .mlxfw_dev = {
70462bd22cfSOr Gerlitz .ops = &mlx5_mlxfw_dev_ops,
70562bd22cfSOr Gerlitz .psid = dev->board_id,
70662bd22cfSOr Gerlitz .psid_size = strlen(dev->board_id),
7074ae57566SSaeed Mahameed .devlink = priv_to_devlink(dev),
70862bd22cfSOr Gerlitz },
70962bd22cfSOr Gerlitz .mlx5_core_dev = dev
71062bd22cfSOr Gerlitz };
71162bd22cfSOr Gerlitz
71262bd22cfSOr Gerlitz if (!MLX5_CAP_GEN(dev, mcam_reg) ||
71362bd22cfSOr Gerlitz !MLX5_CAP_MCAM_REG(dev, mcqi) ||
71462bd22cfSOr Gerlitz !MLX5_CAP_MCAM_REG(dev, mcc) ||
71562bd22cfSOr Gerlitz !MLX5_CAP_MCAM_REG(dev, mcda)) {
71662bd22cfSOr Gerlitz pr_info("%s flashing isn't supported by the running FW\n", __func__);
71762bd22cfSOr Gerlitz return -EOPNOTSUPP;
71862bd22cfSOr Gerlitz }
71962bd22cfSOr Gerlitz
72044f18db5SJiri Pirko return mlxfw_firmware_flash(&mlx5_mlxfw_dev.mlxfw_dev,
72144f18db5SJiri Pirko firmware, extack);
72262bd22cfSOr Gerlitz }
7239c86b07eSShay Agroskin
mlx5_reg_mcqi_version_query(struct mlx5_core_dev * dev,u16 component_index,bool read_pending,u32 * mcqi_version_out)7249c86b07eSShay Agroskin static int mlx5_reg_mcqi_version_query(struct mlx5_core_dev *dev,
7259c86b07eSShay Agroskin u16 component_index, bool read_pending,
7269c86b07eSShay Agroskin u32 *mcqi_version_out)
7279c86b07eSShay Agroskin {
7289c86b07eSShay Agroskin return mlx5_reg_mcqi_query(dev, component_index, read_pending,
7299c86b07eSShay Agroskin MCQI_INFO_TYPE_VERSION,
7309c86b07eSShay Agroskin MLX5_ST_SZ_BYTES(mcqi_version),
7319c86b07eSShay Agroskin mcqi_version_out);
7329c86b07eSShay Agroskin }
7339c86b07eSShay Agroskin
mlx5_reg_mcqs_query(struct mlx5_core_dev * dev,u32 * out,u16 component_index)7349c86b07eSShay Agroskin static int mlx5_reg_mcqs_query(struct mlx5_core_dev *dev, u32 *out,
7359c86b07eSShay Agroskin u16 component_index)
7369c86b07eSShay Agroskin {
7379c86b07eSShay Agroskin u8 out_sz = MLX5_ST_SZ_BYTES(mcqs_reg);
7389c86b07eSShay Agroskin u32 in[MLX5_ST_SZ_DW(mcqs_reg)] = {};
7399c86b07eSShay Agroskin int err;
7409c86b07eSShay Agroskin
7419c86b07eSShay Agroskin memset(out, 0, out_sz);
7429c86b07eSShay Agroskin
7439c86b07eSShay Agroskin MLX5_SET(mcqs_reg, in, component_index, component_index);
7449c86b07eSShay Agroskin
7459c86b07eSShay Agroskin err = mlx5_core_access_reg(dev, in, sizeof(in), out,
7469c86b07eSShay Agroskin out_sz, MLX5_REG_MCQS, 0, 0);
7479c86b07eSShay Agroskin return err;
7489c86b07eSShay Agroskin }
7499c86b07eSShay Agroskin
7509c86b07eSShay Agroskin /* scans component index sequentially, to find the boot img index */
mlx5_get_boot_img_component_index(struct mlx5_core_dev * dev)7519c86b07eSShay Agroskin static int mlx5_get_boot_img_component_index(struct mlx5_core_dev *dev)
7529c86b07eSShay Agroskin {
7539c86b07eSShay Agroskin u32 out[MLX5_ST_SZ_DW(mcqs_reg)] = {};
7549c86b07eSShay Agroskin u16 identifier, component_idx = 0;
7559c86b07eSShay Agroskin bool quit;
7569c86b07eSShay Agroskin int err;
7579c86b07eSShay Agroskin
7589c86b07eSShay Agroskin do {
7599c86b07eSShay Agroskin err = mlx5_reg_mcqs_query(dev, out, component_idx);
7609c86b07eSShay Agroskin if (err)
7619c86b07eSShay Agroskin return err;
7629c86b07eSShay Agroskin
7639c86b07eSShay Agroskin identifier = MLX5_GET(mcqs_reg, out, identifier);
7649c86b07eSShay Agroskin quit = !!MLX5_GET(mcqs_reg, out, last_index_flag);
7659c86b07eSShay Agroskin quit |= identifier == MCQS_IDENTIFIER_BOOT_IMG;
7669c86b07eSShay Agroskin } while (!quit && ++component_idx);
7679c86b07eSShay Agroskin
7689c86b07eSShay Agroskin if (identifier != MCQS_IDENTIFIER_BOOT_IMG) {
7699c86b07eSShay Agroskin mlx5_core_warn(dev, "mcqs: can't find boot_img component ix, last scanned idx %d\n",
7709c86b07eSShay Agroskin component_idx);
7719c86b07eSShay Agroskin return -EOPNOTSUPP;
7729c86b07eSShay Agroskin }
7739c86b07eSShay Agroskin
7749c86b07eSShay Agroskin return component_idx;
7759c86b07eSShay Agroskin }
7769c86b07eSShay Agroskin
7779c86b07eSShay Agroskin static int
mlx5_fw_image_pending(struct mlx5_core_dev * dev,int component_index,bool * pending_version_exists)7789c86b07eSShay Agroskin mlx5_fw_image_pending(struct mlx5_core_dev *dev,
7799c86b07eSShay Agroskin int component_index,
7809c86b07eSShay Agroskin bool *pending_version_exists)
7819c86b07eSShay Agroskin {
7829c86b07eSShay Agroskin u32 out[MLX5_ST_SZ_DW(mcqs_reg)];
7839c86b07eSShay Agroskin u8 component_update_state;
7849c86b07eSShay Agroskin int err;
7859c86b07eSShay Agroskin
7869c86b07eSShay Agroskin err = mlx5_reg_mcqs_query(dev, out, component_index);
7879c86b07eSShay Agroskin if (err)
7889c86b07eSShay Agroskin return err;
7899c86b07eSShay Agroskin
7909c86b07eSShay Agroskin component_update_state = MLX5_GET(mcqs_reg, out, component_update_state);
7919c86b07eSShay Agroskin
7929c86b07eSShay Agroskin if (component_update_state == MCQS_UPDATE_STATE_IDLE) {
7939c86b07eSShay Agroskin *pending_version_exists = false;
7949c86b07eSShay Agroskin } else if (component_update_state == MCQS_UPDATE_STATE_ACTIVE_PENDING_RESET) {
7959c86b07eSShay Agroskin *pending_version_exists = true;
7969c86b07eSShay Agroskin } else {
7979c86b07eSShay Agroskin mlx5_core_warn(dev,
7989c86b07eSShay Agroskin "mcqs: can't read pending fw version while fw state is %d\n",
7999c86b07eSShay Agroskin component_update_state);
8009c86b07eSShay Agroskin return -ENODATA;
8019c86b07eSShay Agroskin }
8029c86b07eSShay Agroskin return 0;
8039c86b07eSShay Agroskin }
8049c86b07eSShay Agroskin
mlx5_fw_version_query(struct mlx5_core_dev * dev,u32 * running_ver,u32 * pending_ver)8059c86b07eSShay Agroskin int mlx5_fw_version_query(struct mlx5_core_dev *dev,
8069c86b07eSShay Agroskin u32 *running_ver, u32 *pending_ver)
8079c86b07eSShay Agroskin {
8089c86b07eSShay Agroskin u32 reg_mcqi_version[MLX5_ST_SZ_DW(mcqi_version)] = {};
8099c86b07eSShay Agroskin bool pending_version_exists;
8109c86b07eSShay Agroskin int component_index;
8119c86b07eSShay Agroskin int err;
8129c86b07eSShay Agroskin
8139c86b07eSShay Agroskin if (!MLX5_CAP_GEN(dev, mcam_reg) || !MLX5_CAP_MCAM_REG(dev, mcqi) ||
8149c86b07eSShay Agroskin !MLX5_CAP_MCAM_REG(dev, mcqs)) {
8159c86b07eSShay Agroskin mlx5_core_warn(dev, "fw query isn't supported by the FW\n");
8169c86b07eSShay Agroskin return -EOPNOTSUPP;
8179c86b07eSShay Agroskin }
8189c86b07eSShay Agroskin
8199c86b07eSShay Agroskin component_index = mlx5_get_boot_img_component_index(dev);
8209c86b07eSShay Agroskin if (component_index < 0)
8219c86b07eSShay Agroskin return component_index;
8229c86b07eSShay Agroskin
8239c86b07eSShay Agroskin err = mlx5_reg_mcqi_version_query(dev, component_index,
8249c86b07eSShay Agroskin MCQI_FW_RUNNING_VERSION,
8259c86b07eSShay Agroskin reg_mcqi_version);
8269c86b07eSShay Agroskin if (err)
8279c86b07eSShay Agroskin return err;
8289c86b07eSShay Agroskin
8299c86b07eSShay Agroskin *running_ver = MLX5_GET(mcqi_version, reg_mcqi_version, version);
8309c86b07eSShay Agroskin
8319c86b07eSShay Agroskin err = mlx5_fw_image_pending(dev, component_index, &pending_version_exists);
8329c86b07eSShay Agroskin if (err)
8339c86b07eSShay Agroskin return err;
8349c86b07eSShay Agroskin
8359c86b07eSShay Agroskin if (!pending_version_exists) {
8369c86b07eSShay Agroskin *pending_ver = 0;
8379c86b07eSShay Agroskin return 0;
8389c86b07eSShay Agroskin }
8399c86b07eSShay Agroskin
8409c86b07eSShay Agroskin err = mlx5_reg_mcqi_version_query(dev, component_index,
8419c86b07eSShay Agroskin MCQI_FW_STORED_VERSION,
8429c86b07eSShay Agroskin reg_mcqi_version);
8439c86b07eSShay Agroskin if (err)
8449c86b07eSShay Agroskin return err;
8459c86b07eSShay Agroskin
8469c86b07eSShay Agroskin *pending_ver = MLX5_GET(mcqi_version, reg_mcqi_version, version);
8479c86b07eSShay Agroskin
8489c86b07eSShay Agroskin return 0;
8499c86b07eSShay Agroskin }
850