drivers/ipmi: Add IPMI Read FRU function
Implemented according to IPMI "Platform Management
FRU Information Storage Definition" specification
v1.0 for reading FRU data Product Info Area and
Board Info Area.
SMBIOS data can be updated with the FRU data.
Tested on OCP Mono Lake.
Change-Id: Id6353f5ce3f7ddd3bb161b91364b3cf276d020b8
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37444
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
(cherry picked from commit 8ac46b937c)
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37095
This commit is contained in:
Johnny Lin
Patrick Georgi
parent
3280b76729
commit
b9e8448384
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@ -8,3 +8,13 @@ config IPMI_KCS_REGISTER_SPACING
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depends on IPMI_KCS
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depends on IPMI_KCS
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help
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help
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KCS status and command register IO port address spacing
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KCS status and command register IO port address spacing
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config IPMI_FRU_SINGLE_RW_SZ
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int
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default 16
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depends on IPMI_KCS
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help
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The data size in a single IPMI FRU read/write command.
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IPMB messages are limited to 32-bytes total. When the
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data size is larger than this value, IPMI can complete
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reading/writing the data over multiple commands.
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@ -1,3 +1,4 @@
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs_ops.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs_ops.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_ops.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_ops.c
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ramstage-$(CONFIG_IPMI_KCS) += ipmi_fru.c
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@ -0,0 +1,409 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2019 Wiwynn Corp.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/console.h>
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#include <string.h>
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#include <delay.h>
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#include "ipmi_ops.h"
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#define MAX_FRU_BUSY_RETRY 5
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#define READ_FRU_DATA_RETRY_INTERVAL_MS 30 /* From IPMI spec v2.0 rev 1.1 */
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#define OFFSET_LENGTH_MULTIPLIER 8 /* offsets/lengths are multiples of 8 */
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#define NUM_DATA_BYTES(t) (t & 0x3f) /* Encoded in type/length byte */
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static enum cb_err ipmi_read_fru(const int port, struct ipmi_read_fru_data_req *req,
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uint8_t *fru_data)
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{
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int ret;
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uint8_t total_size;
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uint16_t offset = 0;
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struct ipmi_read_fru_data_rsp rsp;
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int retry_count = 0;
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if (req == NULL || fru_data == NULL) {
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printk(BIOS_ERR, "%s failed, null pointer parameter\n",
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__func__);
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return CB_ERR;
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}
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total_size = req->count;
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do {
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if (req->count > CONFIG_IPMI_FRU_SINGLE_RW_SZ)
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req->count = CONFIG_IPMI_FRU_SINGLE_RW_SZ;
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while (retry_count <= MAX_FRU_BUSY_RETRY) {
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ret = ipmi_kcs_message(port, IPMI_NETFN_STORAGE, 0x0,
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IPMI_READ_FRU_DATA, (const unsigned char *) req,
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sizeof(*req), (unsigned char *) &rsp, sizeof(rsp));
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if (rsp.resp.completion_code == 0x81) {
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/* Device is busy */
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if (retry_count == MAX_FRU_BUSY_RETRY) {
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printk(BIOS_ERR, "IPMI: %s command failed, "
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"device busy timeout\n", __func__);
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return CB_ERR;
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}
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printk(BIOS_ERR, "IPMI: FRU device is busy, "
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"retry count:%d\n", retry_count);
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retry_count++;
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mdelay(READ_FRU_DATA_RETRY_INTERVAL_MS);
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} else if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
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printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
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__func__, ret, rsp.resp.completion_code);
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return CB_ERR;
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}
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break;
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}
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retry_count = 0;
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memcpy(fru_data + offset, rsp.data, rsp.count);
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offset += rsp.count;
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total_size -= rsp.count;
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req->fru_offset += rsp.count;
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req->count = total_size;
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} while (total_size > 0);
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return CB_SUCCESS;
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}
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/* data: data to check, offset: offset to checksum. */
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static uint8_t checksum(uint8_t *data, int offset)
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{
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uint8_t c = 0;
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for (; offset > 0; offset--, data++)
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c += *data;
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return -c;
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}
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static uint8_t data2str(const uint8_t *frudata, char *stringdata, uint8_t length)
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{
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uint8_t type;
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/* bit[7:6] is the type code. */
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type = ((frudata[0] & 0xc0) >> 6);
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if (type != ASCII_8BIT) {
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printk(BIOS_ERR, "%s typecode %d is unsupported, FRU string only "
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"supports 8-bit ASCII + Latin 1 for now.\n", __func__, type);
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return 0;
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}
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/* In the spec the string data is always the next byte to the type/length byte. */
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memcpy(stringdata, frudata + 1, length);
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stringdata[length] = '\0';
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return length;
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}
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static void read_fru_board_info_area(const int port, const uint8_t id,
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uint8_t offset, struct fru_board_info *info)
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{
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uint8_t length;
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struct ipmi_read_fru_data_req req;
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uint8_t *data_ptr;
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offset = offset * OFFSET_LENGTH_MULTIPLIER;
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if (!offset)
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return;
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req.fru_device_id = id;
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/* Read Board Info Area length first. */
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req.fru_offset = offset + 1;
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req.count = sizeof(length);
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if (ipmi_read_fru(port, &req, &length) != CB_SUCCESS || !length) {
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printk(BIOS_ERR, "%s failed, length: %d\n", __func__, length);
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return;
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}
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length = length * OFFSET_LENGTH_MULTIPLIER;
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data_ptr = (uint8_t *)malloc(length);
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if (!data_ptr) {
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printk(BIOS_ERR, "malloc %d bytes for board info failed\n", length);
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return;
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}
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/* Read Board Info Area data. */
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req.fru_offset = offset;
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req.count = length;
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if (ipmi_read_fru(port, &req, data_ptr) != CB_SUCCESS) {
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printk(BIOS_ERR, "%s failed to read fru\n", __func__);
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goto out;
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}
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if (checksum(data_ptr, length)) {
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printk(BIOS_ERR, "Bad FRU board info checksum.\n");
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goto out;
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}
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/* Read manufacturer string, bit[5:0] is the string length. */
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length = NUM_DATA_BYTES(data_ptr[BOARD_MAN_TYPE_LEN_OFFSET]);
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data_ptr += BOARD_MAN_TYPE_LEN_OFFSET;
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if (length > 0) {
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info->manufacturer = malloc(length + 1);
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if (!info->manufacturer) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"manufacturer.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->manufacturer, length))
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free(info->manufacturer);
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}
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/* Read product name string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->product_name = malloc(length+1);
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if (!info->product_name) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"product_name.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->product_name, length))
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free(info->product_name);
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}
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/* Read serial number string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->serial_number = malloc(length + 1);
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if (!info->serial_number) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"serial_number.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->serial_number, length))
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free(info->serial_number);
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}
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/* Read part number string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->part_number = malloc(length + 1);
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if (!info->part_number) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"part_number.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->part_number, length))
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free(info->part_number);
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}
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out:
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free(data_ptr);
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}
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static void read_fru_product_info_area(const int port, const uint8_t id,
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uint8_t offset, struct fru_product_info *info)
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{
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uint8_t length;
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struct ipmi_read_fru_data_req req;
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uint8_t *data_ptr;
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offset = offset * OFFSET_LENGTH_MULTIPLIER;
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if (!offset)
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return;
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req.fru_device_id = id;
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/* Read Product Info Area length first. */
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req.fru_offset = offset + 1;
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req.count = sizeof(length);
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if (ipmi_read_fru(port, &req, &length) != CB_SUCCESS || !length) {
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printk(BIOS_ERR, "%s failed, length: %d\n", __func__, length);
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return;
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}
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length = length * OFFSET_LENGTH_MULTIPLIER;
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data_ptr = (uint8_t *)malloc(length);
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if (!data_ptr) {
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printk(BIOS_ERR, "malloc %d bytes for product info failed\n", length);
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return;
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}
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/* Read Product Info Area data. */
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req.fru_offset = offset;
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req.count = length;
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if (ipmi_read_fru(port, &req, data_ptr) != CB_SUCCESS) {
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printk(BIOS_ERR, "%s failed to read fru\n", __func__);
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goto out;
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}
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if (checksum(data_ptr, length)) {
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printk(BIOS_ERR, "Bad FRU product info checksum.\n");
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goto out;
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}
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/* Read manufacturer string, bit[5:0] is the string length. */
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length = NUM_DATA_BYTES(data_ptr[PRODUCT_MAN_TYPE_LEN_OFFSET]);
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data_ptr += PRODUCT_MAN_TYPE_LEN_OFFSET;
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if (length > 0) {
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info->manufacturer = malloc(length + 1);
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if (!info->manufacturer) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"manufacturer.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->manufacturer, length))
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free(info->manufacturer);
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}
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/* Read product_name string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->product_name = malloc(length + 1);
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if (!info->product_name) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"product_name.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->product_name, length))
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free(info->product_name);
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}
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/* Read product part/model number. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->product_partnumber = malloc(length + 1);
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if (!info->product_partnumber) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"product_partnumber.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->product_partnumber, length))
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free(info->product_partnumber);
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}
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/* Read product version string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->product_version = malloc(length + 1);
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if (!info->product_version) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"product_version.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->product_version, length))
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free(info->product_version);
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}
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/* Read serial number string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->serial_number = malloc(length + 1);
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if (!info->serial_number) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"serial_number.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->serial_number, length))
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free(info->serial_number);
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}
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/* Read asset tag string. */
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data_ptr += length + 1;
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length = NUM_DATA_BYTES(data_ptr[0]);
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if (length > 0) {
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info->asset_tag = malloc(length + 1);
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if (!info->asset_tag) {
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printk(BIOS_ERR, "%s failed to malloc %d bytes for "
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"asset_tag.\n", __func__, length + 1);
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goto out;
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}
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if (!data2str((const uint8_t *)data_ptr, info->asset_tag, length))
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free(info->serial_number);
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}
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out:
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free(data_ptr);
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}
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void read_fru_areas(const int port, const uint8_t id, uint16_t offset,
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struct fru_info_str *fru_info_str)
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{
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||||||
|
struct ipmi_read_fru_data_req req;
|
||||||
|
struct ipmi_fru_common_hdr fru_common_hdr;
|
||||||
|
|
||||||
|
/* Set all the char pointers to 0 first, to avoid mainboard
|
||||||
|
* overwriting SMBIOS string with any non-NULL char pointer
|
||||||
|
* by accident. */
|
||||||
|
memset(fru_info_str, 0, sizeof(*fru_info_str));
|
||||||
|
req.fru_device_id = id;
|
||||||
|
req.fru_offset = offset;
|
||||||
|
req.count = sizeof(fru_common_hdr);
|
||||||
|
/* Read FRU common header first */
|
||||||
|
if (ipmi_read_fru(port, &req, (uint8_t *)&fru_common_hdr) == CB_SUCCESS) {
|
||||||
|
if (checksum((uint8_t *)&fru_common_hdr, sizeof(fru_common_hdr))) {
|
||||||
|
printk(BIOS_ERR, "Bad FRU common header checksum.\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
printk(BIOS_DEBUG, "FRU common header: format_version: %x\n"
|
||||||
|
"product_area_offset: %x\n"
|
||||||
|
"board_area_offset: %x\n"
|
||||||
|
"chassis_area_offset: %x\n",
|
||||||
|
fru_common_hdr.format_version,
|
||||||
|
fru_common_hdr.product_area_offset,
|
||||||
|
fru_common_hdr.board_area_offset,
|
||||||
|
fru_common_hdr.chassis_area_offset);
|
||||||
|
} else {
|
||||||
|
printk(BIOS_ERR, "Read FRU common header failed\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
read_fru_product_info_area(port, id, fru_common_hdr.product_area_offset,
|
||||||
|
&fru_info_str->prod_info);
|
||||||
|
read_fru_board_info_area(port, id, fru_common_hdr.board_area_offset,
|
||||||
|
&fru_info_str->board_info);
|
||||||
|
/* ToDo: Add read_fru_chassis_info_area(). */
|
||||||
|
}
|
||||||
|
|
||||||
|
void read_fru_one_area(const int port, const uint8_t id, uint16_t offset,
|
||||||
|
struct fru_info_str *fru_info_str, enum fru_area fru_area)
|
||||||
|
{
|
||||||
|
struct ipmi_read_fru_data_req req;
|
||||||
|
struct ipmi_fru_common_hdr fru_common_hdr;
|
||||||
|
|
||||||
|
req.fru_device_id = id;
|
||||||
|
req.fru_offset = offset;
|
||||||
|
req.count = sizeof(fru_common_hdr);
|
||||||
|
if (ipmi_read_fru(port, &req, (uint8_t *)&fru_common_hdr) == CB_SUCCESS) {
|
||||||
|
if (checksum((uint8_t *)&fru_common_hdr, sizeof(fru_common_hdr))) {
|
||||||
|
printk(BIOS_ERR, "Bad FRU common header checksum.\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
printk(BIOS_DEBUG, "FRU common header: format_version: %x\n"
|
||||||
|
"product_area_offset: %x\n"
|
||||||
|
"board_area_offset: %x\n"
|
||||||
|
"chassis_area_offset: %x\n",
|
||||||
|
fru_common_hdr.format_version,
|
||||||
|
fru_common_hdr.product_area_offset,
|
||||||
|
fru_common_hdr.board_area_offset,
|
||||||
|
fru_common_hdr.chassis_area_offset);
|
||||||
|
} else {
|
||||||
|
printk(BIOS_ERR, "Read FRU common header failed\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (fru_area) {
|
||||||
|
case PRODUCT_INFO_AREA:
|
||||||
|
memset(&fru_info_str->prod_info, 0, sizeof(fru_info_str->prod_info));
|
||||||
|
read_fru_product_info_area(port, id, fru_common_hdr.product_area_offset,
|
||||||
|
&fru_info_str->prod_info);
|
||||||
|
break;
|
||||||
|
case BOARD_INFO_AREA:
|
||||||
|
memset(&fru_info_str->board_info, 0, sizeof(fru_info_str->board_info));
|
||||||
|
read_fru_board_info_area(port, id, fru_common_hdr.board_area_offset,
|
||||||
|
&fru_info_str->board_info);
|
||||||
|
break;
|
||||||
|
/* ToDo: Add case for CHASSIS_INFO_AREA. */
|
||||||
|
default:
|
||||||
|
printk(BIOS_ERR, "Invalid fru_area: %d\n", fru_area);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -31,6 +31,7 @@
|
||||||
|
|
||||||
#define IPMI_NETFN_FIRMWARE 0x08
|
#define IPMI_NETFN_FIRMWARE 0x08
|
||||||
#define IPMI_NETFN_STORAGE 0x0a
|
#define IPMI_NETFN_STORAGE 0x0a
|
||||||
|
#define IPMI_READ_FRU_DATA 0x11
|
||||||
#define IPMI_NETFN_TRANSPORT 0x0c
|
#define IPMI_NETFN_TRANSPORT 0x0c
|
||||||
|
|
||||||
#define IPMI_CMD_ACPI_POWERON 0x06
|
#define IPMI_CMD_ACPI_POWERON 0x06
|
||||||
|
|
|
||||||
|
|
@ -49,6 +49,70 @@ struct ipmi_get_system_guid_rsp {
|
||||||
struct ipmi_rsp resp;
|
struct ipmi_rsp resp;
|
||||||
uint8_t data[16];
|
uint8_t data[16];
|
||||||
} __packed;
|
} __packed;
|
||||||
|
|
||||||
|
struct ipmi_read_fru_data_req {
|
||||||
|
uint8_t fru_device_id;
|
||||||
|
uint16_t fru_offset;
|
||||||
|
uint8_t count; /* count to read, 1-based. */
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
struct ipmi_read_fru_data_rsp {
|
||||||
|
struct ipmi_rsp resp;
|
||||||
|
uint8_t count; /* count returned, 1-based. */
|
||||||
|
uint8_t data[CONFIG_IPMI_FRU_SINGLE_RW_SZ];
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
/* Platform Management FRU Information Storage Definition Spec. */
|
||||||
|
#define PRODUCT_MAN_TYPE_LEN_OFFSET 3
|
||||||
|
#define BOARD_MAN_TYPE_LEN_OFFSET 6
|
||||||
|
|
||||||
|
struct ipmi_fru_common_hdr {
|
||||||
|
uint8_t format_version;
|
||||||
|
uint8_t internal_use_area_offset;
|
||||||
|
uint8_t chassis_area_offset;
|
||||||
|
uint8_t board_area_offset;
|
||||||
|
uint8_t product_area_offset;
|
||||||
|
uint8_t multirecord_area_offset;
|
||||||
|
uint8_t pad;
|
||||||
|
uint8_t checksum;
|
||||||
|
} __packed;
|
||||||
|
|
||||||
|
/* The fru_xxx_info only declares the strings that may be added to SMBIOS. */
|
||||||
|
struct fru_product_info {
|
||||||
|
char *manufacturer;
|
||||||
|
char *product_name;
|
||||||
|
char *product_partnumber;
|
||||||
|
char *product_version;
|
||||||
|
char *serial_number;
|
||||||
|
char *asset_tag;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct fru_board_info {
|
||||||
|
char *manufacturer;
|
||||||
|
char *product_name;
|
||||||
|
char *serial_number;
|
||||||
|
char *part_number;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct fru_info_str {
|
||||||
|
struct fru_product_info prod_info;
|
||||||
|
struct fru_board_info board_info;
|
||||||
|
};
|
||||||
|
|
||||||
|
enum typecode {
|
||||||
|
BINARY = 0,
|
||||||
|
BCD_PLUS = 1,
|
||||||
|
ASCII_6BIT = 2,
|
||||||
|
ASCII_8BIT = 3,
|
||||||
|
};
|
||||||
|
|
||||||
|
enum fru_area {
|
||||||
|
INTERNAL_USE_AREA = 0,
|
||||||
|
CHASSIS_INFO_AREA = 1,
|
||||||
|
BOARD_INFO_AREA = 2,
|
||||||
|
PRODUCT_INFO_AREA = 3,
|
||||||
|
MULTIRECORD_INFO_AREA = 4,
|
||||||
|
};
|
||||||
/*
|
/*
|
||||||
* Initialize and start BMC FRB2 watchdog timer with the
|
* Initialize and start BMC FRB2 watchdog timer with the
|
||||||
* provided timer countdown and action values.
|
* provided timer countdown and action values.
|
||||||
|
|
@ -62,4 +126,13 @@ enum cb_err ipmi_stop_bmc_wdt(const int port);
|
||||||
/* IPMI get BMC system GUID and store it to parameter uuid.
|
/* IPMI get BMC system GUID and store it to parameter uuid.
|
||||||
* Returns CB_SUCCESS on success and CB_ERR if an error occurred */
|
* Returns CB_SUCCESS on success and CB_ERR if an error occurred */
|
||||||
enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid);
|
enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid);
|
||||||
|
|
||||||
|
/* Read all FRU inventory areas string data into fru_info_str with
|
||||||
|
* the same FRU device id. */
|
||||||
|
void read_fru_areas(const int port, uint8_t id, uint16_t offset,
|
||||||
|
struct fru_info_str *fru_info_str);
|
||||||
|
|
||||||
|
/* Read a particular FRU inventory area into fru_info_str. */
|
||||||
|
void read_fru_one_area(const int port, uint8_t id, uint16_t offset,
|
||||||
|
struct fru_info_str *fru_info_str, enum fru_area fru_area);
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue