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[PATCH] ipmi: add per-channel IPMB addresses

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IPMI allows multiple IPMB channels on a single interface, and each channel
might have a different IPMB address.  However, the driver has only one IPMB
address that it uses for everything.  This patch adds new IOCTLS and a new
internal interface for setting per-channel IPMB addresses and LUNs.  New
systems are coming out with support for multiple IPMB channels, and they are
broken without this patch.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Corey Minyard 2005-09-06 15:18:38 -07:00 • committed by Linus Torvalds
parent b224cd3a0c
commit c14979b993
3 changed files with 201 additions and 60 deletions
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30
include/linux/ipmi.h
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@ -298,13 +298,19 @@ void ipmi_get_version(ipmi_user_t user,
this user, so it will affect all users of this interface. This is
so some initialization code can come in and do the OEM-specific
things it takes to determine your address (if not the BMC) and set
it for everyone else. */
void ipmi_set_my_address(ipmi_user_t user,
unsigned char address);
unsigned char ipmi_get_my_address(ipmi_user_t user);
void ipmi_set_my_LUN(ipmi_user_t user,
unsigned char LUN);
unsigned char ipmi_get_my_LUN(ipmi_user_t user);
it for everyone else. Note that each channel can have its own address. */
int ipmi_set_my_address(ipmi_user_t user,
unsigned int channel,
unsigned char address);
int ipmi_get_my_address(ipmi_user_t user,
unsigned int channel,
unsigned char *address);
int ipmi_set_my_LUN(ipmi_user_t user,
unsigned int channel,
unsigned char LUN);
int ipmi_get_my_LUN(ipmi_user_t user,
unsigned int channel,
unsigned char *LUN);
/*
* Like ipmi_request, but lets you specify the number of retries and
@ -585,6 +591,16 @@ struct ipmi_cmdspec
* things it takes to determine your address (if not the BMC) and set
* it for everyone else. You should probably leave the LUN alone.
*/
struct ipmi_channel_lun_address_set
{
unsigned short channel;
unsigned char value;
};
#define IPMICTL_SET_MY_CHANNEL_ADDRESS_CMD _IOR(IPMI_IOC_MAGIC, 24, struct ipmi_channel_lun_address_set)
#define IPMICTL_GET_MY_CHANNEL_ADDRESS_CMD _IOR(IPMI_IOC_MAGIC, 25, struct ipmi_channel_lun_address_set)
#define IPMICTL_SET_MY_CHANNEL_LUN_CMD _IOR(IPMI_IOC_MAGIC, 26, struct ipmi_channel_lun_address_set)
#define IPMICTL_GET_MY_CHANNEL_LUN_CMD _IOR(IPMI_IOC_MAGIC, 27, struct ipmi_channel_lun_address_set)
/* Legacy interfaces, these only set IPMB 0. */
#define IPMICTL_SET_MY_ADDRESS_CMD _IOR(IPMI_IOC_MAGIC, 17, unsigned int)
#define IPMICTL_GET_MY_ADDRESS_CMD _IOR(IPMI_IOC_MAGIC, 18, unsigned int)
#define IPMICTL_SET_MY_LUN_CMD _IOR(IPMI_IOC_MAGIC, 19, unsigned int)