From 366d395c8dd8f1d92f967e4a7691dadd9b9ae1bb Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Tue, 10 Feb 2015 13:43:24 -0600 Subject: powerpc/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 Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/rtas.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 2e23e92a4372..eddc8469543a 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; + char drc_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_NAME 1 +#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); -- cgit v1.2.3-55-g7522