armbian/linux-cix
0
0
Fork 0
mirror of https://github.com/armbian/linux-cix.git synced 2026-01-06 12:30:45 -08:00
Code Issues Packages Projects Releases Wiki Activity

ipmi: ssif_bmc: Add SSIF BMC driver

Browse Source 
The SMBus system interface (SSIF) IPMI BMC driver can be used to perform
in-band IPMI communication with their host in management (BMC) side.

Thanks Dan for the copy_from_user() fix in the link below.

Link: https://lore.kernel.org/linux-arm-kernel/20220310114119.13736-4-quan@os.amperecomputing.com/
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Message-Id: <20221004093106.1653317-2-quan@os.amperecomputing.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Quan Nguyen
2022-10-04 16:31:04 +07:00
committed by Corey Minyard
parent 9abf2313ad
commit dd2bc5cc9e
4 changed files with 902 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/char/ipmi/Kconfig
View File

@@ -169,6 +169,16 @@ config ASPEED_BT_IPMI_BMC
found on Aspeed SOCs (AST2400 and AST2500). The driver
implements the BMC side of the BT interface.
config SSIF_IPMI_BMC
tristate "SSIF IPMI BMC driver"
depends on I2C && I2C_SLAVE
help
This enables the IPMI SMBus system interface (SSIF) at the
management (BMC) side.
The driver implements the BMC side of the SMBus system
interface (SSIF).
config IPMB_DEVICE_INTERFACE
tristate 'IPMB Interface handler'
depends on I2C

1
drivers/char/ipmi/Makefile
View File

@@ -30,3 +30,4 @@ obj-$(CONFIG_ASPEED_BT_IPMI_BMC) += bt-bmc.o
obj-$(CONFIG_ASPEED_KCS_IPMI_BMC) += kcs_bmc_aspeed.o
obj-$(CONFIG_NPCM7XX_KCS_IPMI_BMC) += kcs_bmc_npcm7xx.o
obj-$(CONFIG_IPMB_DEVICE_INTERFACE) += ipmb_dev_int.o
obj-$(CONFIG_SSIF_IPMI_BMC) += ssif_bmc.o

873
drivers/char/ipmi/ssif_bmc.c Normal file
View File

File diff suppressed because it is too large Load Diff

18
include/uapi/linux/ipmi_ssif_bmc.h Normal file
View File

@@ -0,0 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note*/
/*
* Copyright (c) 2022, Ampere Computing LLC.
*/
#ifndef _UAPI_LINUX_IPMI_SSIF_BMC_H
#define _UAPI_LINUX_IPMI_SSIF_BMC_H
#include <linux/types.h>
/* Max length of ipmi ssif message included netfn and cmd field */
#define IPMI_SSIF_PAYLOAD_MAX 254
struct ipmi_ssif_msg {
unsigned int len;
__u8 payload[IPMI_SSIF_PAYLOAD_MAX];
};
#endif /* _UAPI_LINUX_IPMI_SSIF_BMC_H */