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Release 4.11 drivers/net/ethernet/qlogic/qed/qed_selftest.c

/* QLogic qed NIC Driver
 * Copyright (c) 2015-2016  QLogic Corporation
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and /or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/crc32.h>
#include "qed.h"
#include "qed_dev_api.h"
#include "qed_mcp.h"
#include "qed_sp.h"
#include "qed_selftest.h"


int qed_selftest_memory(struct qed_dev *cdev) { int rc = 0, i; for_each_hwfn(cdev, i) { rc = qed_sp_heartbeat_ramrod(&cdev->hwfns[i]); if (rc) return rc; } return rc; }

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Sudarsana Reddy Kalluru48100.00%1100.00%
Total48100.00%1100.00%


int qed_selftest_interrupt(struct qed_dev *cdev) { int rc = 0, i; for_each_hwfn(cdev, i) { rc = qed_sp_heartbeat_ramrod(&cdev->hwfns[i]); if (rc) return rc; } return rc; }

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PersonTokensPropCommitsCommitProp
Sudarsana Reddy Kalluru48100.00%1100.00%
Total48100.00%1100.00%


int qed_selftest_register(struct qed_dev *cdev) { struct qed_hwfn *p_hwfn; struct qed_ptt *p_ptt; int rc = 0, i; /* although performed by MCP, this test is per engine */ for_each_hwfn(cdev, i) { p_hwfn = &cdev->hwfns[i]; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) { DP_ERR(p_hwfn, "failed to acquire ptt\n"); return -EBUSY; } rc = qed_mcp_bist_register_test(p_hwfn, p_ptt); qed_ptt_release(p_hwfn, p_ptt); if (rc) break; } return rc; }

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PersonTokensPropCommitsCommitProp
Sudarsana Reddy Kalluru95100.00%1100.00%
Total95100.00%1100.00%


int qed_selftest_clock(struct qed_dev *cdev) { struct qed_hwfn *p_hwfn; struct qed_ptt *p_ptt; int rc = 0, i; /* although performed by MCP, this test is per engine */ for_each_hwfn(cdev, i) { p_hwfn = &cdev->hwfns[i]; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) { DP_ERR(p_hwfn, "failed to acquire ptt\n"); return -EBUSY; } rc = qed_mcp_bist_clock_test(p_hwfn, p_ptt); qed_ptt_release(p_hwfn, p_ptt); if (rc) break; } return rc; }

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PersonTokensPropCommitsCommitProp
Sudarsana Reddy Kalluru95100.00%1100.00%
Total95100.00%1100.00%


int qed_selftest_nvram(struct qed_dev *cdev) { struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); u32 num_images, i, j, nvm_crc, calc_crc; struct bist_nvm_image_att image_att; u8 *buf = NULL; __be32 val; int rc; if (!p_ptt) { DP_ERR(p_hwfn, "failed to acquire ptt\n"); return -EBUSY; } /* Acquire from MFW the amount of available images */ rc = qed_mcp_bist_nvm_test_get_num_images(p_hwfn, p_ptt, &num_images); if (rc || !num_images) { DP_ERR(p_hwfn, "Failed getting number of images\n"); return -EINVAL; } /* Iterate over images and validate CRC */ for (i = 0; i < num_images; i++) { /* This mailbox returns information about the image required for * reading it. */ rc = qed_mcp_bist_nvm_test_get_image_att(p_hwfn, p_ptt, &image_att, i); if (rc) { DP_ERR(p_hwfn, "Failed getting image index %d attributes\n", i); goto err0; } /* After MFW crash dump is collected - the image's CRC stops * being valid. */ if (image_att.image_type == NVM_TYPE_MDUMP) continue; DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i, image_att.len); /* Allocate a buffer for holding the nvram image */ buf = kzalloc(image_att.len, GFP_KERNEL); if (!buf) { rc = -ENOMEM; goto err0; } /* Read image into buffer */ rc = qed_mcp_nvm_read(p_hwfn->cdev, image_att.nvm_start_addr, buf, image_att.len); if (rc) { DP_ERR(p_hwfn, "Failed reading image index %d from nvm.\n", i); goto err1; } /* Convert the buffer into big-endian format (excluding the * closing 4 bytes of CRC). */ for (j = 0; j < image_att.len - 4; j += 4) { val = cpu_to_be32(*(u32 *)&buf[j]); *(u32 *)&buf[j] = (__force u32)val; } /* Calc CRC for the "actual" image buffer, i.e. not including * the last 4 CRC bytes. */ nvm_crc = *(u32 *)(buf + image_att.len - 4); calc_crc = crc32(0xffffffff, buf, image_att.len - 4); calc_crc = (__force u32)~cpu_to_be32(calc_crc); DP_VERBOSE(p_hwfn, QED_MSG_SP, "nvm crc 0x%x, calc_crc 0x%x\n", nvm_crc, calc_crc); if (calc_crc != nvm_crc) { rc = -EINVAL; goto err1; } /* Done with this image; Free to prevent double release * on subsequent failure. */ kfree(buf); buf = NULL; } qed_ptt_release(p_hwfn, p_ptt); return 0; err1: kfree(buf); err0: qed_ptt_release(p_hwfn, p_ptt); return rc; }

Contributors

PersonTokensPropCommitsCommitProp
Yuval Mintz414100.00%1100.00%
Total414100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Yuval Mintz41858.14%250.00%
Sudarsana Reddy Kalluru29841.45%125.00%
Baoyou Xie30.42%125.00%
Total719100.00%4100.00%
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