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authorCorey Minyard <minyard@acm.org>2006-12-07 05:41:09 +0100
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 17:39:47 +0100
commit7d8ba9669a28f650001093ebbb6ecc3b0a72926f (patch)
treef48d6f635ad8b6593de0d1b1df746d13345b2aaf /drivers/char/ipmi
parent[PATCH] IPMI: system interface hotplug (diff)
downloadlinux-7d8ba9669a28f650001093ebbb6ecc3b0a72926f.tar.xz
linux-7d8ba9669a28f650001093ebbb6ecc3b0a72926f.zip
[PATCH] IPMI: add pigeonpoint poweroff
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>
Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmi_poweroff.c52
1 files changed, 51 insertions, 1 deletions
diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c
index 85f8071be1b5..8ce447ab6de5 100644
--- a/drivers/char/ipmi/ipmi_poweroff.c
+++ b/drivers/char/ipmi/ipmi_poweroff.c
@@ -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;
}