diff options
author | Hannes Hering <hannes.hering@linux.vnet.ibm.com> | 2008-05-07 14:43:36 +0200 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2008-05-13 01:31:39 -0400 |
commit | 48cfb14f8b89d4d5b3df6c16f08b258686fb12ad (patch) | |
tree | aa517fe0c85010784e24b7f3d9b568f7197aa9fa /drivers/net/ehea/ehea.h | |
parent | fb7b6ca2b6b7c23b52be143bdd5f55a23b9780c8 (diff) |
ehea: Add DLPAR memory remove support
The eHEA driver uses the recently modified walk_memory_resource for powerpc
functionality to detect the memory layout. It further uses the memory hotplug
notifiers to catch memory hotplug events.
Signed-off-by: Hannes Hering <hering2@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/ehea/ehea.h')
-rw-r--r-- | drivers/net/ehea/ehea.h | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index f5dacceab95..fe872fbd671 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -40,7 +40,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0090" +#define DRV_VERSION "EHEA_0091" /* eHEA capability flags */ #define DLPAR_PORT_ADD_REM 1 @@ -118,6 +118,13 @@ #define EHEA_MR_ACC_CTRL 0x00800000 #define EHEA_BUSMAP_START 0x8000000000000000ULL +#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL +#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */ +#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2) +#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT) +#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */ +#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1) + #define EHEA_WATCH_DOG_TIMEOUT 10*HZ @@ -192,10 +199,20 @@ struct h_epas { set to 0 if unused */ }; -struct ehea_busmap { - unsigned int entries; /* total number of entries */ - unsigned int valid_sections; /* number of valid sections */ - u64 *vaddr; +/* + * Memory map data structures + */ +struct ehea_dir_bmap +{ + u64 ent[EHEA_MAP_ENTRIES]; +}; +struct ehea_top_bmap +{ + struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES]; +}; +struct ehea_bmap +{ + struct ehea_top_bmap *top[EHEA_MAP_ENTRIES]; }; struct ehea_qp; |