11f4d4ed6SAlexander Lobakin // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2e8f1cb50SMintz, Yuval /* QLogic qed NIC Driver
3e8f1cb50SMintz, Yuval * Copyright (c) 2015-2016 QLogic Corporation
4663eacd8SAlexander Lobakin * Copyright (c) 2019-2020 Marvell International Ltd.
5e8f1cb50SMintz, Yuval */
6e8f1cb50SMintz, Yuval
77a4b21b7SMintz, Yuval #include <linux/crc32.h>
803dc76caSSudarsana Reddy Kalluru #include "qed.h"
903dc76caSSudarsana Reddy Kalluru #include "qed_dev_api.h"
1003dc76caSSudarsana Reddy Kalluru #include "qed_mcp.h"
1103dc76caSSudarsana Reddy Kalluru #include "qed_sp.h"
1272e8d5fdSBaoyou Xie #include "qed_selftest.h"
1303dc76caSSudarsana Reddy Kalluru
qed_selftest_memory(struct qed_dev * cdev)1403dc76caSSudarsana Reddy Kalluru int qed_selftest_memory(struct qed_dev *cdev)
1503dc76caSSudarsana Reddy Kalluru {
1603dc76caSSudarsana Reddy Kalluru int rc = 0, i;
1703dc76caSSudarsana Reddy Kalluru
1803dc76caSSudarsana Reddy Kalluru for_each_hwfn(cdev, i) {
1903dc76caSSudarsana Reddy Kalluru rc = qed_sp_heartbeat_ramrod(&cdev->hwfns[i]);
2003dc76caSSudarsana Reddy Kalluru if (rc)
2103dc76caSSudarsana Reddy Kalluru return rc;
2203dc76caSSudarsana Reddy Kalluru }
2303dc76caSSudarsana Reddy Kalluru
2403dc76caSSudarsana Reddy Kalluru return rc;
2503dc76caSSudarsana Reddy Kalluru }
2603dc76caSSudarsana Reddy Kalluru
qed_selftest_interrupt(struct qed_dev * cdev)2703dc76caSSudarsana Reddy Kalluru int qed_selftest_interrupt(struct qed_dev *cdev)
2803dc76caSSudarsana Reddy Kalluru {
2903dc76caSSudarsana Reddy Kalluru int rc = 0, i;
3003dc76caSSudarsana Reddy Kalluru
3103dc76caSSudarsana Reddy Kalluru for_each_hwfn(cdev, i) {
3203dc76caSSudarsana Reddy Kalluru rc = qed_sp_heartbeat_ramrod(&cdev->hwfns[i]);
3303dc76caSSudarsana Reddy Kalluru if (rc)
3403dc76caSSudarsana Reddy Kalluru return rc;
3503dc76caSSudarsana Reddy Kalluru }
3603dc76caSSudarsana Reddy Kalluru
3703dc76caSSudarsana Reddy Kalluru return rc;
3803dc76caSSudarsana Reddy Kalluru }
3903dc76caSSudarsana Reddy Kalluru
qed_selftest_register(struct qed_dev * cdev)4003dc76caSSudarsana Reddy Kalluru int qed_selftest_register(struct qed_dev *cdev)
4103dc76caSSudarsana Reddy Kalluru {
4203dc76caSSudarsana Reddy Kalluru struct qed_hwfn *p_hwfn;
4303dc76caSSudarsana Reddy Kalluru struct qed_ptt *p_ptt;
4403dc76caSSudarsana Reddy Kalluru int rc = 0, i;
4503dc76caSSudarsana Reddy Kalluru
4603dc76caSSudarsana Reddy Kalluru /* although performed by MCP, this test is per engine */
4703dc76caSSudarsana Reddy Kalluru for_each_hwfn(cdev, i) {
4803dc76caSSudarsana Reddy Kalluru p_hwfn = &cdev->hwfns[i];
4903dc76caSSudarsana Reddy Kalluru p_ptt = qed_ptt_acquire(p_hwfn);
5003dc76caSSudarsana Reddy Kalluru if (!p_ptt) {
5103dc76caSSudarsana Reddy Kalluru DP_ERR(p_hwfn, "failed to acquire ptt\n");
5203dc76caSSudarsana Reddy Kalluru return -EBUSY;
5303dc76caSSudarsana Reddy Kalluru }
5403dc76caSSudarsana Reddy Kalluru rc = qed_mcp_bist_register_test(p_hwfn, p_ptt);
5503dc76caSSudarsana Reddy Kalluru qed_ptt_release(p_hwfn, p_ptt);
5603dc76caSSudarsana Reddy Kalluru if (rc)
5703dc76caSSudarsana Reddy Kalluru break;
5803dc76caSSudarsana Reddy Kalluru }
5903dc76caSSudarsana Reddy Kalluru
6003dc76caSSudarsana Reddy Kalluru return rc;
6103dc76caSSudarsana Reddy Kalluru }
6203dc76caSSudarsana Reddy Kalluru
qed_selftest_clock(struct qed_dev * cdev)6303dc76caSSudarsana Reddy Kalluru int qed_selftest_clock(struct qed_dev *cdev)
6403dc76caSSudarsana Reddy Kalluru {
6503dc76caSSudarsana Reddy Kalluru struct qed_hwfn *p_hwfn;
6603dc76caSSudarsana Reddy Kalluru struct qed_ptt *p_ptt;
6703dc76caSSudarsana Reddy Kalluru int rc = 0, i;
6803dc76caSSudarsana Reddy Kalluru
6903dc76caSSudarsana Reddy Kalluru /* although performed by MCP, this test is per engine */
7003dc76caSSudarsana Reddy Kalluru for_each_hwfn(cdev, i) {
7103dc76caSSudarsana Reddy Kalluru p_hwfn = &cdev->hwfns[i];
7203dc76caSSudarsana Reddy Kalluru p_ptt = qed_ptt_acquire(p_hwfn);
7303dc76caSSudarsana Reddy Kalluru if (!p_ptt) {
7403dc76caSSudarsana Reddy Kalluru DP_ERR(p_hwfn, "failed to acquire ptt\n");
7503dc76caSSudarsana Reddy Kalluru return -EBUSY;
7603dc76caSSudarsana Reddy Kalluru }
7703dc76caSSudarsana Reddy Kalluru rc = qed_mcp_bist_clock_test(p_hwfn, p_ptt);
7803dc76caSSudarsana Reddy Kalluru qed_ptt_release(p_hwfn, p_ptt);
7903dc76caSSudarsana Reddy Kalluru if (rc)
8003dc76caSSudarsana Reddy Kalluru break;
8103dc76caSSudarsana Reddy Kalluru }
8203dc76caSSudarsana Reddy Kalluru
8303dc76caSSudarsana Reddy Kalluru return rc;
8403dc76caSSudarsana Reddy Kalluru }
857a4b21b7SMintz, Yuval
qed_selftest_nvram(struct qed_dev * cdev)867a4b21b7SMintz, Yuval int qed_selftest_nvram(struct qed_dev *cdev)
877a4b21b7SMintz, Yuval {
887a4b21b7SMintz, Yuval struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
897a4b21b7SMintz, Yuval struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
907a4b21b7SMintz, Yuval u32 num_images, i, j, nvm_crc, calc_crc;
917a4b21b7SMintz, Yuval struct bist_nvm_image_att image_att;
927a4b21b7SMintz, Yuval u8 *buf = NULL;
937a4b21b7SMintz, Yuval __be32 val;
947a4b21b7SMintz, Yuval int rc;
957a4b21b7SMintz, Yuval
967a4b21b7SMintz, Yuval if (!p_ptt) {
977a4b21b7SMintz, Yuval DP_ERR(p_hwfn, "failed to acquire ptt\n");
987a4b21b7SMintz, Yuval return -EBUSY;
997a4b21b7SMintz, Yuval }
1007a4b21b7SMintz, Yuval
1017a4b21b7SMintz, Yuval /* Acquire from MFW the amount of available images */
10243645ce0SSudarsana Reddy Kalluru rc = qed_mcp_bist_nvm_get_num_images(p_hwfn, p_ptt, &num_images);
1037a4b21b7SMintz, Yuval if (rc || !num_images) {
1047a4b21b7SMintz, Yuval DP_ERR(p_hwfn, "Failed getting number of images\n");
105d8bf47afSSudarsana Reddy Kalluru rc = -EINVAL;
106d8bf47afSSudarsana Reddy Kalluru goto err0;
1077a4b21b7SMintz, Yuval }
1087a4b21b7SMintz, Yuval
1097a4b21b7SMintz, Yuval /* Iterate over images and validate CRC */
1107a4b21b7SMintz, Yuval for (i = 0; i < num_images; i++) {
1117a4b21b7SMintz, Yuval /* This mailbox returns information about the image required for
1127a4b21b7SMintz, Yuval * reading it.
1137a4b21b7SMintz, Yuval */
11443645ce0SSudarsana Reddy Kalluru rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
1157a4b21b7SMintz, Yuval &image_att, i);
1167a4b21b7SMintz, Yuval if (rc) {
1177a4b21b7SMintz, Yuval DP_ERR(p_hwfn,
1187a4b21b7SMintz, Yuval "Failed getting image index %d attributes\n",
1197a4b21b7SMintz, Yuval i);
1207a4b21b7SMintz, Yuval goto err0;
1217a4b21b7SMintz, Yuval }
1227a4b21b7SMintz, Yuval
1237a4b21b7SMintz, Yuval /* After MFW crash dump is collected - the image's CRC stops
1247a4b21b7SMintz, Yuval * being valid.
1257a4b21b7SMintz, Yuval */
1267a4b21b7SMintz, Yuval if (image_att.image_type == NVM_TYPE_MDUMP)
1277a4b21b7SMintz, Yuval continue;
1287a4b21b7SMintz, Yuval
1297a4b21b7SMintz, Yuval DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n",
1307a4b21b7SMintz, Yuval i, image_att.len);
1317a4b21b7SMintz, Yuval
1327a4b21b7SMintz, Yuval /* Allocate a buffer for holding the nvram image */
1337a4b21b7SMintz, Yuval buf = kzalloc(image_att.len, GFP_KERNEL);
1347a4b21b7SMintz, Yuval if (!buf) {
1357a4b21b7SMintz, Yuval rc = -ENOMEM;
1367a4b21b7SMintz, Yuval goto err0;
1377a4b21b7SMintz, Yuval }
1387a4b21b7SMintz, Yuval
1397a4b21b7SMintz, Yuval /* Read image into buffer */
1407a4b21b7SMintz, Yuval rc = qed_mcp_nvm_read(p_hwfn->cdev, image_att.nvm_start_addr,
1417a4b21b7SMintz, Yuval buf, image_att.len);
1427a4b21b7SMintz, Yuval if (rc) {
1437a4b21b7SMintz, Yuval DP_ERR(p_hwfn,
1447a4b21b7SMintz, Yuval "Failed reading image index %d from nvm.\n", i);
1457a4b21b7SMintz, Yuval goto err1;
1467a4b21b7SMintz, Yuval }
1477a4b21b7SMintz, Yuval
1487a4b21b7SMintz, Yuval /* Convert the buffer into big-endian format (excluding the
1497a4b21b7SMintz, Yuval * closing 4 bytes of CRC).
1507a4b21b7SMintz, Yuval */
1517a4b21b7SMintz, Yuval for (j = 0; j < image_att.len - 4; j += 4) {
1527a4b21b7SMintz, Yuval val = cpu_to_be32(*(u32 *)&buf[j]);
1537a4b21b7SMintz, Yuval *(u32 *)&buf[j] = (__force u32)val;
1547a4b21b7SMintz, Yuval }
1557a4b21b7SMintz, Yuval
1567a4b21b7SMintz, Yuval /* Calc CRC for the "actual" image buffer, i.e. not including
1577a4b21b7SMintz, Yuval * the last 4 CRC bytes.
1587a4b21b7SMintz, Yuval */
1597a4b21b7SMintz, Yuval nvm_crc = *(u32 *)(buf + image_att.len - 4);
1607a4b21b7SMintz, Yuval calc_crc = crc32(0xffffffff, buf, image_att.len - 4);
1617a4b21b7SMintz, Yuval calc_crc = (__force u32)~cpu_to_be32(calc_crc);
1627a4b21b7SMintz, Yuval DP_VERBOSE(p_hwfn, QED_MSG_SP,
1637a4b21b7SMintz, Yuval "nvm crc 0x%x, calc_crc 0x%x\n", nvm_crc, calc_crc);
1647a4b21b7SMintz, Yuval
1657a4b21b7SMintz, Yuval if (calc_crc != nvm_crc) {
1667a4b21b7SMintz, Yuval rc = -EINVAL;
1677a4b21b7SMintz, Yuval goto err1;
1687a4b21b7SMintz, Yuval }
1697a4b21b7SMintz, Yuval
1707a4b21b7SMintz, Yuval /* Done with this image; Free to prevent double release
1717a4b21b7SMintz, Yuval * on subsequent failure.
1727a4b21b7SMintz, Yuval */
1737a4b21b7SMintz, Yuval kfree(buf);
1747a4b21b7SMintz, Yuval buf = NULL;
1757a4b21b7SMintz, Yuval }
1767a4b21b7SMintz, Yuval
1777a4b21b7SMintz, Yuval qed_ptt_release(p_hwfn, p_ptt);
1787a4b21b7SMintz, Yuval return 0;
1797a4b21b7SMintz, Yuval
1807a4b21b7SMintz, Yuval err1:
1817a4b21b7SMintz, Yuval kfree(buf);
1827a4b21b7SMintz, Yuval err0:
1837a4b21b7SMintz, Yuval qed_ptt_release(p_hwfn, p_ptt);
1847a4b21b7SMintz, Yuval return rc;
1857a4b21b7SMintz, Yuval }
186