From 09cdeba60643cb85f91b233211617e95167a64e5 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Mon, 30 Dec 2019 14:40:04 +0100 Subject: drivers/ipmi: Add Supermicro OEM commands MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a new driver for OEM commands and select it from x11-lga1151-series. The driver communicates the BIOS version and date to the BMC using OEM commands. The command should be supported on all X11 series mainboards, but might work with older BMC, too. Tested on X11SSH-TF: The BIOS version strings are updated on boot and are visible in the BMC web UI. Change-Id: I51c22f83383affb70abb0efbcdc33ea925b5ff9f Signed-off-by: Patrick Rudolph Signed-off-by: Christian Walter Reviewed-on: https://review.coreboot.org/c/coreboot/+/38002 Tested-by: build bot (Jenkins) Reviewed-by: Michael Niewöhner --- src/drivers/ipmi/Kconfig | 11 ++++++ src/drivers/ipmi/Makefile.inc | 1 + src/drivers/ipmi/ipmi_kcs_ops.c | 7 ++++ src/drivers/ipmi/ipmi_supermicro_oem.h | 10 +++++ src/drivers/ipmi/supermicro_oem.c | 70 ++++++++++++++++++++++++++++++++++ 5 files changed, 99 insertions(+) create mode 100644 src/drivers/ipmi/ipmi_supermicro_oem.h create mode 100644 src/drivers/ipmi/supermicro_oem.c (limited to 'src/drivers') diff --git a/src/drivers/ipmi/Kconfig b/src/drivers/ipmi/Kconfig index 1137dcf8d5..012f67887c 100644 --- a/src/drivers/ipmi/Kconfig +++ b/src/drivers/ipmi/Kconfig @@ -42,3 +42,14 @@ config IPMI_KCS_TIMEOUT_MS The time unit is millisecond for each IPMI KCS transfer. IPMI spec v2.0 rev 1.1 Sec. 9.15, a five-second timeout or greater is recommended. + +config DRIVERS_IPMI_SUPERMICRO_OEM + bool "Supermicro IPMI OEM BMC support" + depends on IPMI_KCS + default n + help + Tested on X11SSH only. Different BMCs might not support these OEM + commands. + The following features are implemented: + * Communicates the BIOS version to the BMC + * Communicates the BIOS date to the BMC diff --git a/src/drivers/ipmi/Makefile.inc b/src/drivers/ipmi/Makefile.inc index 06a3433ae0..e4bcf313eb 100644 --- a/src/drivers/ipmi/Makefile.inc +++ b/src/drivers/ipmi/Makefile.inc @@ -2,6 +2,7 @@ ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs.c ramstage-$(CONFIG_IPMI_KCS) += ipmi_kcs_ops.c ramstage-$(CONFIG_IPMI_KCS) += ipmi_ops.c ramstage-$(CONFIG_IPMI_KCS) += ipmi_fru.c +ramstage-$(CONFIG_DRIVERS_IPMI_SUPERMICRO_OEM) += supermicro_oem.c romstage-$(CONFIG_IPMI_KCS_ROMSTAGE) += ipmi_kcs_ops_premem.c romstage-$(CONFIG_IPMI_KCS_ROMSTAGE) += ipmi_kcs.c romstage-$(CONFIG_IPMI_KCS_ROMSTAGE) += ipmi_ops.c diff --git a/src/drivers/ipmi/ipmi_kcs_ops.c b/src/drivers/ipmi/ipmi_kcs_ops.c index 640bfa1c17..38311ee7eb 100644 --- a/src/drivers/ipmi/ipmi_kcs_ops.c +++ b/src/drivers/ipmi/ipmi_kcs_ops.c @@ -23,6 +23,7 @@ #include #include #include "ipmi_kcs.h" +#include "ipmi_supermicro_oem.h" #include "chip.h" /* 4 bit encoding */ @@ -167,6 +168,12 @@ static void ipmi_kcs_init(struct device *dev) /* Don't write tables if communication failed */ dev->enabled = 0; } + + if (!dev->enabled) + return; + + if (CONFIG(DRIVERS_IPMI_SUPERMICRO_OEM)) + supermicro_ipmi_oem(dev->path.pnp.port); } #if CONFIG(HAVE_ACPI_TABLES) diff --git a/src/drivers/ipmi/ipmi_supermicro_oem.h b/src/drivers/ipmi/ipmi_supermicro_oem.h new file mode 100644 index 0000000000..5babadb13f --- /dev/null +++ b/src/drivers/ipmi/ipmi_supermicro_oem.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __IPMI_SUPERMICRO_OEM_H +#define __IPMI_SUPERMICRO_OEM_H + +#include + +void supermicro_ipmi_oem(const uint16_t kcs_port); + +#endif /* __IPMI_SUPERMICRO_OEM_H */ diff --git a/src/drivers/ipmi/supermicro_oem.c b/src/drivers/ipmi/supermicro_oem.c new file mode 100644 index 0000000000..87b7fe243a --- /dev/null +++ b/src/drivers/ipmi/supermicro_oem.c @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include + +#include +#include +#include +#include +#include "ipmi_supermicro_oem.h" + +#define IPMI_NETFN_OEM 0x30 +#define IPMI_LUN0_AC_SET_BIOS_VER 0x100 +#define IPMI_LUN0_AC_SET_BIOS_DATE 0x101 +#define IPMI_LUN0_SET_BIOS_STRING 0xac + +struct ipmi_oem_set_bios_str { + uint16_t ver; + char str[16]; // NULL terminated string +} __packed; + +static void set_coreboot_ver(const uint16_t kcs_port) +{ + const char *coreboot_ver = COREBOOT_VERSION; + struct ipmi_oem_set_bios_str bios_ver; + struct ipmi_rsp rsp; + int ret; + size_t i; + + /* Only 8 charactars are visible in UI. Cut of on first dash */ + for (i = 0; i < 15; i++) { + if (coreboot_ver[i] == '-') + break; + bios_ver.str[i] = coreboot_ver[i]; + } + bios_ver.str[i] = 0; + bios_ver.ver = IPMI_LUN0_AC_SET_BIOS_VER; + + ret = ipmi_kcs_message(kcs_port, IPMI_NETFN_OEM, 0, IPMI_LUN0_SET_BIOS_STRING, + (const unsigned char *) &bios_ver, sizeof(bios_ver), + (unsigned char *) &rsp, sizeof(rsp)); + if (ret < sizeof(rsp) || rsp.completion_code) { + printk(BIOS_ERR, "BMC_IPMI: %s command failed (ret=%d resp=0x%x)\n", + __func__, ret, rsp.completion_code); + } +} + +static void set_coreboot_date(const uint16_t kcs_port) +{ + struct ipmi_oem_set_bios_str bios_ver; + struct ipmi_rsp rsp; + int ret; + + strncpy(bios_ver.str, COREBOOT_DMI_DATE, 15); + bios_ver.str[15] = 0; + bios_ver.ver = IPMI_LUN0_AC_SET_BIOS_DATE; + + ret = ipmi_kcs_message(kcs_port, IPMI_NETFN_OEM, 0, IPMI_LUN0_SET_BIOS_STRING, + (const unsigned char *) &bios_ver, sizeof(bios_ver), + (unsigned char *) &rsp, sizeof(rsp)); + if (ret < sizeof(rsp) || rsp.completion_code) { + printk(BIOS_ERR, "BMC_IPMI: %s command failed (ret=%d resp=0x%x)\n", + __func__, ret, rsp.completion_code); + } +} + +void supermicro_ipmi_oem(const uint16_t kcs_port) +{ + set_coreboot_ver(kcs_port); + set_coreboot_date(kcs_port); +} -- cgit v1.2.3