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drivers/ipmi: Add IPMI get system GUID support 

Tested on OCP Mono Lake.

Change-Id: I541a23341ccce3d45239babb3f0a8a8c8542b226
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37085
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Johnny Lin 2019-11-14 14:55:04 +08:00 committed by Patrick Georgi
parent 9ede3d51e5
commit 5566303362
2 changed files with 34 additions and 0 deletions
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26
src/drivers/ipmi/ipmi_ops.c
View File

@ -16,6 +16,7 @@
#include <console/console.h>
#include "ipmi_ops.h"
#include <string.h>
enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown,
uint8_t action)
@ -104,3 +105,28 @@ enum cb_err ipmi_stop_bmc_wdt(const int port)
return CB_SUCCESS;
}
enum cb_err ipmi_get_system_guid(const int port, uint8_t *uuid)
{
int ret;
struct ipmi_get_system_guid_rsp rsp;
if (uuid == NULL) {
printk(BIOS_ERR, "%s failed, null pointer parameter\n",
__func__);
return CB_ERR;
}
ret = ipmi_kcs_message(port, IPMI_NETFN_APPLICATION, 0x0,
IPMI_BMC_GET_SYSTEM_GUID, NULL, 0,
(unsigned char *) &rsp, sizeof(rsp));
if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
__func__, ret, rsp.resp.completion_code);
return CB_ERR;
}
memcpy(uuid, rsp.data, 16);
return CB_SUCCESS;
}

8
src/drivers/ipmi/ipmi_ops.h
View File

@ -21,6 +21,7 @@
#define IPMI_BMC_RESET_WDG_TIMER 0x22
#define IPMI_BMC_SET_WDG_TIMER 0x24
#define IPMI_BMC_GET_WDG_TIMER 0x25
#define IPMI_BMC_GET_SYSTEM_GUID 0x37
/* BMC watchdog timeout action */
enum ipmi_bmc_timeout_action_type {
@ -44,6 +45,10 @@ struct ipmi_wdt_rsp {
uint16_t present_countdown_val;
} __packed;
struct ipmi_get_system_guid_rsp {
struct ipmi_rsp resp;
uint8_t data[16];
} __packed;
/*
* Initialize and start BMC FRB2 watchdog timer with the
* provided timer countdown and action values.
@ -54,4 +59,7 @@ enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown,
/* Returns CB_SUCCESS on success and CB_ERR if an error occurred */
enum cb_err ipmi_stop_bmc_wdt(const int port);
/* IPMI get BMC system GUID and store it to parameter uuid.
* 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);
#endif