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| author | Michael Brown | 2008-04-18 06:33:39 +0200 |
|---|---|---|
| committer | Michael Brown | 2008-04-18 06:33:39 +0200 |
| commit | e55bab3ce3f0a038d608d5e62066fc4a64853012 (patch) | |
| tree | ddf39824bb8c8aac873daf1e34654bdf078dbd81 /src/drivers/infiniband/hermon.h | |
| parent | [Infiniband] Add preliminary multiple port support for Hermon cards (diff) | |
| download | ipxe-e55bab3ce3f0a038d608d5e62066fc4a64853012.tar.gz ipxe-e55bab3ce3f0a038d608d5e62066fc4a64853012.tar.xz ipxe-e55bab3ce3f0a038d608d5e62066fc4a64853012.zip | |
[Hermon] Fix event queue doorbells.
Event queue doorbells must use UAR pages 0-127 depending on event queue
number; other doorbells must use pages 128+ (and we choose to use page
128).
Diffstat (limited to 'src/drivers/infiniband/hermon.h')
| -rw-r--r-- | src/drivers/infiniband/hermon.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/drivers/infiniband/hermon.h b/src/drivers/infiniband/hermon.h index d9e3dd111..45d7a1ce8 100644 --- a/src/drivers/infiniband/hermon.h +++ b/src/drivers/infiniband/hermon.h @@ -44,6 +44,7 @@ #define HERMON_HCR_MAP_EQ 0x0012 #define HERMON_HCR_SW2HW_EQ 0x0013 #define HERMON_HCR_HW2SW_EQ 0x0014 +#define HERMON_HCR_QUERY_EQ 0x0015 #define HERMON_HCR_SW2HW_CQ 0x0016 #define HERMON_HCR_HW2SW_CQ 0x0017 #define HERMON_HCR_RST2INIT_QP 0x0019 @@ -77,12 +78,13 @@ #define HERMON_PAGE_SIZE 4096 #define HERMON_DB_POST_SND_OFFSET 0x14 -#define HERMON_DB_EQ0_OFFSET 0x800 +#define HERMON_DB_EQ_OFFSET(_eqn) \ + ( 0x800 + HERMON_PAGE_SIZE * ( (_eqn) / 4 ) + 0x08 * ( (_eqn) % 4 ) ) #define HERMON_QP_OPT_PARAM_QKEY 0x00000020UL -#define HERMON_MAP_EQ_MAP ( 0UL << 31 ) -#define HERMON_MAP_EQ_UNMAP ( 1UL << 31 ) +#define HERMON_MAP_EQ ( 0UL << 31 ) +#define HERMON_UNMAP_EQ ( 1UL << 31 ) #define HERMON_EV_PORT_STATE_CHANGE 0x09 @@ -292,7 +294,7 @@ enum hermon_icm_map_regions { * Pages 0-127 are reserved for event queue doorbells only, so we use * page 128. */ -#define HERMON_UAR_PAGE 128 +#define HERMON_UAR_NON_EQ_PAGE 128 /** Maximum number of allocatable MTT entries * @@ -334,6 +336,8 @@ struct hermon_send_work_queue { union hermon_send_wqe *wqe; /** Size of work queue */ size_t wqe_size; + /** Doorbell register */ + void *doorbell; }; /** Alignment of Hermon receive work queue entries */ @@ -400,7 +404,7 @@ struct hermon_completion_queue { * * This is a policy decision, not a device limit. */ -#define HERMON_MAX_EQS 4 +#define HERMON_MAX_EQS 8 /** A Hermon event queue */ struct hermon_event_queue { @@ -410,8 +414,12 @@ struct hermon_event_queue { size_t eqe_size; /** MTT descriptor */ struct hermon_mtt mtt; + /** Event queue number */ + unsigned long eqn; /** Next event queue entry index */ unsigned long next_idx; + /** Doorbell register */ + void *doorbell; }; /** Number of event queue entries |