[PATCH v3 1/5]pseries: Define rtas hotplug event sections
In order to handle device hotplug in the kernel on pseries the hotplug
request will be communicated in the kernel in the form of a
rtas hotplug event. This patch adds the definition of rtas hotplug event
sections.
Signed-off-by: Nathan Fontenot nf...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/rtas.h | 26 ++
1 file changed, 26 insertions(+)
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 2e23e92..eddc846 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -273,6 +273,7 @@ inline uint32_t rtas_ext_event_company_id(struct
rtas_ext_event_log_v6 *ext_log)
#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' 8) | 'I')
#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' 8) | 'H')
#define PSERIES_ELOG_SECT_ID_USER_DEF (('U' 8) | 'D')
+#define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' 8) | 'P')
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
@@ -296,6 +297,31 @@ inline uint16_t pseries_errorlog_length(struct
pseries_errorlog *sect)
return be16_to_cpu(sect-length);
}
+/* RTAS pseries hotplug errorlog section */
+struct pseries_hp_errorlog {
+ u8 resource;
+ u8 action;
+ u8 id_type;
+ u8 reserved;
+ union {
+ __be32 drc_index;
+ __be32 drc_count;
+ chardrc_name[1];
+ } _drc_u;
+};
+
+#define PSERIES_HP_ELOG_RESOURCE_CPU 1
+#define PSERIES_HP_ELOG_RESOURCE_MEM 2
+#define PSERIES_HP_ELOG_RESOURCE_SLOT 3
+#define PSERIES_HP_ELOG_RESOURCE_PHB 4
+
+#define PSERIES_HP_ELOG_ACTION_ADD 1
+#define PSERIES_HP_ELOG_ACTION_REMOVE 2
+
+#define PSERIES_HP_ELOG_ID_DRC_NAME1
+#define PSERIES_HP_ELOG_ID_DRC_INDEX 2
+#define PSERIES_HP_ELOG_ID_DRC_COUNT 3
+
struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
uint16_t section_id);
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Re: [1/5] pseries: Define rtas hotplug event sections
On Mon, 2014-09-15 at 15:29 -0500, Nathan Fontenot wrote:
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index b390f55..a01879e 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -273,6 +273,7 @@ inline uint32_t rtas_ext_event_company_id(struct
rtas_ext_event_log_v6 *ext_log)
#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' 8) | 'I')
#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' 8) | 'H')
#define PSERIES_ELOG_SECT_ID_USER_DEF(('U' 8) | 'D')
+#define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' 8) | 'P')
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
@@ -296,6 +297,31 @@ inline uint16_t pseries_errorlog_length(struct
pseries_errorlog *sect)
return be16_to_cpu(sect-length);
}
+/* RTAS pseries hotplug errorlog section */
+struct pseries_hp_errorlog {
+ uint8_t resource;
+ uint8_t action;
+ uint8_t id_type;
+ uint8_t reserved;
These should be u8.
+ union {
+ __be32 drc_index;
+ __be32 drc_count;
+ chardrc_name[1];
I don't see drc_name used?
+ } _drc_u;
+};
cheers
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Re: [1/5] pseries: Define rtas hotplug event sections
On 09/17/2014 02:06 AM, Michael Ellerman wrote:
On Mon, 2014-09-15 at 15:29 -0500, Nathan Fontenot wrote:
diff --git a/arch/powerpc/include/asm/rtas.h
b/arch/powerpc/include/asm/rtas.h
index b390f55..a01879e 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -273,6 +273,7 @@ inline uint32_t rtas_ext_event_company_id(struct
rtas_ext_event_log_v6 *ext_log)
#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' 8) | 'I')
#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' 8) | 'H')
#define PSERIES_ELOG_SECT_ID_USER_DEF (('U' 8) | 'D')
+#define PSERIES_ELOG_SECT_ID_HOTPLUG(('H' 8) | 'P')
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
@@ -296,6 +297,31 @@ inline uint16_t pseries_errorlog_length(struct
pseries_errorlog *sect)
return be16_to_cpu(sect-length);
}
+/* RTAS pseries hotplug errorlog section */
+struct pseries_hp_errorlog {
+uint8_t resource;
+uint8_t action;
+uint8_t id_type;
+uint8_t reserved;
These should be u8.
ok.
+union {
+__be32 drc_index;
+__be32 drc_count;
+chardrc_name[1];
I don't see drc_name used?
I don't use drc_name in this patch set but the drc_name piece is
part of the rtas hotplug section definition and I wanted to provide
a complete definition of the section.
-Nathan
+} _drc_u;
+};
cheers
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[PATCH 1/5] pseries: Define rtas hotplug event sections
In order to handle device hotplug in the kernel on pseries the hotplug
notification will be communicated to the kernel in the form of a
rtas hotplug event. This patch adds the definition of rtas hotplug event
sections.
Signed-off-by: Nathan Fontenot nf...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/rtas.h | 26 ++
1 file changed, 26 insertions(+)
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index b390f55..a01879e 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -273,6 +273,7 @@ inline uint32_t rtas_ext_event_company_id(struct
rtas_ext_event_log_v6 *ext_log)
#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' 8) | 'I')
#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' 8) | 'H')
#define PSERIES_ELOG_SECT_ID_USER_DEF (('U' 8) | 'D')
+#define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' 8) | 'P')
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
@@ -296,6 +297,31 @@ inline uint16_t pseries_errorlog_length(struct
pseries_errorlog *sect)
return be16_to_cpu(sect-length);
}
+/* RTAS pseries hotplug errorlog section */
+struct pseries_hp_errorlog {
+ uint8_t resource;
+ uint8_t action;
+ uint8_t id_type;
+ uint8_t reserved;
+ union {
+ __be32 drc_index;
+ __be32 drc_count;
+ chardrc_name[1];
+ } _drc_u;
+};
+
+#define PSERIES_HP_ELOG_RESOURCE_CPU 1
+#define PSERIES_HP_ELOG_RESOURCE_MEM 2
+#define PSERIES_HP_ELOG_RESOURCE_SLOT 3
+#define PSERIES_HP_ELOG_RESOURCE_PHB 4
+
+#define PSERIES_HP_ELOG_ACTION_ADD 1
+#define PSERIES_HP_ELOG_ACTION_REMOVE 2
+
+#define PSERIES_HP_ELOG_ID_DRC_NAME1
+#define PSERIES_HP_ELOG_ID_DRC_INDEX 2
+#define PSERIES_HP_ELOG_ID_DRC_COUNT 3
+
struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
uint16_t section_id);
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