From 53509cf15aeba1a7afa262ca4d3ddb77f019ba00 Mon Sep 17 00:00:00 2001 From: Johnny Lin Date: Thu, 14 Nov 2019 14:55:04 +0800 Subject: drivers/ipmi: Add IPMI get system GUID support Tested on OCP Mono Lake. Change-Id: I541a23341ccce3d45239babb3f0a8a8c8542b226 Signed-off-by: Johnny Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/36842 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks --- src/drivers/ipmi/ipmi_ops.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/drivers/ipmi/ipmi_ops.c') diff --git a/src/drivers/ipmi/ipmi_ops.c b/src/drivers/ipmi/ipmi_ops.c index 784daeb1fb..8a189bdbe1 100644 --- a/src/drivers/ipmi/ipmi_ops.c +++ b/src/drivers/ipmi/ipmi_ops.c @@ -16,6 +16,7 @@ #include #include "ipmi_ops.h" +#include 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; +} -- cgit v1.2.3