ipmi/parisc: Add IPMI chassis poweroff for certain HP PA-RISC servers

This patch allows HP PA-RISC servers like rp3410/rp3440 and the HP C8000 workstation with an IPMI controller that predate IPMI 1.5 to use the standard poweroff or powercycle commands.

These systems firmware don't set the chassis capability bit in the Get Device ID, but they do implement the standard poweroff and powercycle commands.

index 38e6af1c8e38..09f34ea370da 100644
@@ -453,6 +453,13 @@ static int ipmi_dell_chassis_detect(ipmi_user_t user)
 	    ipmi_version_major <= 1 &&
 	    ipmi_version_minor < 5)
 		return 1;
+
+	/* BMC in HP C8000 can handle chassis functions too. */
+	if (IS_ENABLED(CONFIG_PARISC) &&
+	    mfg_id == 0x0b && prod_id == 0x8201 &&
+	    ipmi_version == 1)
+		return 1;
+
 	return 0;
 }
 

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Thanks. I applied your three patches relating to power off and my C8000 now properly powers off (surprise surprise! :)

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This patch allows HP PA-RISC servers like rp3410/rp3440 and the HP C8000 workstation with an IPMI controller that predate IPMI 1.5 to use the standard poweroff or powercycle commands.

These systems firmware don't set the chassis capability bit in the Get Device ID, but they do implement the standard poweroff and powercycle commands.

index 38e6af1c8e38..943c8bc1c364 100644
@@ -457,6 +457,24 @@ static int ipmi_dell_chassis_detect(ipmi_user_t user)
 }
 
 /*
+ * ipmi_hp_chassis_detect()
+ * HP PA-RISC servers rp3410/rp3440, the C8000 workstation and the rx2600 and
+ * zx6000 machines support IPMI vers 1 and don't set the chassis capability bit
+ * but they can handle a chassis poweroff or powercycle command.
+ */
+
+#define HP_IANA_MFR_ID 0x0b
+#define HP_BMC_PROD_ID 0x8201
+static int ipmi_hp_chassis_detect(ipmi_user_t user)
+{
+	if (mfg_id == HP_IANA_MFR_ID
+		&& prod_id == HP_BMC_PROD_ID
+		&& ipmi_version == 1)
+		return 1;
+	return 0;
+}
+
+/*
  * Standard chassis support
  */
 

@@ -533,6 +551,9 @@ static struct poweroff_function poweroff_functions[] = {
 	{ .platform_type	= "chassis",
 	  .detect		= ipmi_dell_chassis_detect,
 	  .poweroff_func	= ipmi_poweroff_chassis },
+	{ .platform_type	= "chassis",
+	  .detect		= ipmi_hp_chassis_detect,
+	  .poweroff_func	= ipmi_poweroff_chassis },
 	/* Chassis should generally be last, other things should override
 	   it. */
 	{ .platform_type	= "chassis",

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