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[Qemu-devel] [PATCH v2 3/4] spapr: Add RTAS sysparm UUID


From: Sam Bobroff
Subject: [Qemu-devel] [PATCH v2 3/4] spapr: Add RTAS sysparm UUID
Date: Wed, 25 Jun 2014 13:54:31 +1000

Add support for the UUID parameter to the emulated RTAS call
ibm,get-system-parameter.

Return the guest's UUID as the value for the RTAS UUID system
parameter, or null (a zero length result) if it is not set.

Signed-off-by: Sam Bobroff <address@hidden>
---
 hw/ppc/spapr_rtas.c    | 4 ++++
 include/hw/ppc/spapr.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index d3b57a1..9804873 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -242,6 +242,9 @@ static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
         rtas_st_buffer(buffer, length, &param_val, sizeof(param_val));
         break;
     }
+    case RTAS_SYSPARM_UUID:
+        rtas_st_buffer(buffer, length, qemu_uuid, (qemu_uuid_set ? 16 : 0));
+        break;
     default:
         ret = RTAS_OUT_NOT_SUPPORTED;
     }
@@ -260,6 +263,7 @@ static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
 
     switch (parameter) {
     case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE:
+    case RTAS_SYSPARM_UUID:
         ret = RTAS_OUT_NOT_AUTHORIZED;
         break;
     }
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 9b28e96..fe02fb4 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -360,6 +360,7 @@ static inline int spapr_allocate_lsi(int hint)
 
 /* RTAS ibm,get-system-parameter token values */
 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
+#define RTAS_SYSPARM_UUID                        48
 
 /* Possible values for the platform-processor-diagnostics-run-mode parameter
  * of the RTAS ibm,get-system-parameter call.
-- 
1.9.0




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