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[PATCH] IPMI: add pigeonpoint poweroff

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X86 boards generally use ACPI for the power management interactions with the
BMC.  However, non-x86 boards need some help.  This patch adds the help for
the Motorola PigeonPoint-based IPMCs.

Signed-off-by: Joseph Barnett <jbarnett@motorola.com>
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 2006-12-06 20:41:09 -08:00 committed by Linus Torvalds
parent b361e27bba
commit 7d8ba9669a
1 changed files with 51 additions and 1 deletions
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52
drivers/char/ipmi/ipmi_poweroff.c
View File

@ -176,6 +176,42 @@ static int ipmi_request_in_rc_mode(ipmi_user_t user,
#define IPMI_ATCA_GET_ADDR_INFO_CMD 0x01
#define IPMI_PICMG_ID 0
#define IPMI_NETFN_OEM 0x2e
#define IPMI_ATCA_PPS_GRACEFUL_RESTART 0x11
#define IPMI_ATCA_PPS_IANA "\x00\x40\x0A"
#define IPMI_MOTOROLA_MANUFACTURER_ID 0x0000A1
#define IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID 0x0051
static void (*atca_oem_poweroff_hook)(ipmi_user_t user) = NULL;
static void pps_poweroff_atca (ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
struct kernel_ipmi_msg send_msg;
int rv;
/*
* Configure IPMI address for local access
*/
smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
smi_addr.channel = IPMI_BMC_CHANNEL;
smi_addr.lun = 0;
printk(KERN_INFO PFX "PPS powerdown hook used");
send_msg.netfn = IPMI_NETFN_OEM;
send_msg.cmd = IPMI_ATCA_PPS_GRACEFUL_RESTART;
send_msg.data = IPMI_ATCA_PPS_IANA;
send_msg.data_len = 3;
rv = ipmi_request_in_rc_mode(user,
(struct ipmi_addr *) &smi_addr,
&send_msg);
if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
printk(KERN_ERR PFX "Unable to send ATCA ,"
" IPMI error 0x%x\n", rv);
}
return;
}
static int ipmi_atca_detect (ipmi_user_t user)
{
struct ipmi_system_interface_addr smi_addr;
@ -201,6 +237,13 @@ static int ipmi_atca_detect (ipmi_user_t user)
rv = ipmi_request_wait_for_response(user,
(struct ipmi_addr *) &smi_addr,
&send_msg);
printk(KERN_INFO PFX "ATCA Detect mfg 0x%X prod 0x%X\n", mfg_id, prod_id);
if((mfg_id == IPMI_MOTOROLA_MANUFACTURER_ID)
&& (prod_id == IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID)) {
printk(KERN_INFO PFX "Installing Pigeon Point Systems Poweroff Hook\n");
atca_oem_poweroff_hook = pps_poweroff_atca;
}
return !rv;
}
@ -234,12 +277,19 @@ static void ipmi_poweroff_atca (ipmi_user_t user)
rv = ipmi_request_in_rc_mode(user,
(struct ipmi_addr *) &smi_addr,
&send_msg);
if (rv) {
/** At this point, the system may be shutting down, and most
** serial drivers (if used) will have interrupts turned off
** it may be better to ignore IPMI_UNKNOWN_ERR_COMPLETION_CODE
** return code
**/
if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) {
printk(KERN_ERR PFX "Unable to send ATCA powerdown message,"
" IPMI error 0x%x\n", rv);
goto out;
}
if(atca_oem_poweroff_hook)
return atca_oem_poweroff_hook(user);
out:
return;
}