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Diffstat (limited to 'arch/powerpc/platforms/pseries/rtas-fadump.h')
-rw-r--r--arch/powerpc/platforms/pseries/rtas-fadump.h29
1 files changed, 18 insertions, 11 deletions
diff --git a/arch/powerpc/platforms/pseries/rtas-fadump.h b/arch/powerpc/platforms/pseries/rtas-fadump.h
index fd59bd7ca9..c109abf6be 100644
--- a/arch/powerpc/platforms/pseries/rtas-fadump.h
+++ b/arch/powerpc/platforms/pseries/rtas-fadump.h
@@ -23,12 +23,24 @@
#define RTAS_FADUMP_HPTE_REGION 0x0002
#define RTAS_FADUMP_REAL_MODE_REGION 0x0011
+/* OS defined sections */
+#define RTAS_FADUMP_PARAM_AREA 0x0100
+
/* Dump request flag */
#define RTAS_FADUMP_REQUEST_FLAG 0x00000001
/* Dump status flag */
#define RTAS_FADUMP_ERROR_FLAG 0x2000
+/*
+ * The Firmware Assisted Dump Memory structure supports a maximum of 10 sections
+ * in the dump memory structure. Presently, three sections are used for
+ * CPU state data, HPTE & Parameters area, while the remaining seven sections
+ * can be used for boot memory regions.
+ */
+#define MAX_SECTIONS 10
+#define RTAS_FADUMP_MAX_BOOT_MEM_REGS 7
+
/* Kernel Dump section info */
struct rtas_fadump_section {
__be32 request_flag;
@@ -61,20 +73,15 @@ struct rtas_fadump_section_header {
* Firmware Assisted dump memory structure. This structure is required for
* registering future kernel dump with power firmware through rtas call.
*
- * No disk dump option. Hence disk dump path string section is not included.
+ * In version 1, the platform permits one section header, dump-disk path
+ * and ten sections.
+ *
+ * Note: No disk dump option. Hence disk dump path string section is not
+ * included.
*/
struct rtas_fadump_mem_struct {
struct rtas_fadump_section_header header;
-
- /* Kernel dump sections */
- struct rtas_fadump_section cpu_state_data;
- struct rtas_fadump_section hpte_region;
-
- /*
- * TODO: Extend multiple boot memory regions support in the kernel
- * for this platform.
- */
- struct rtas_fadump_section rmr_region;
+ struct rtas_fadump_section rgn[MAX_SECTIONS];
};
/*