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| author | Jack Steiner <steiner@sgi.com> | 2009-06-17 16:28:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 13:03:59 -0700 |
| commit | 9cc9b056ea51608788609d7e26c7db55ef81bb2e (patch) | |
| tree | e6381d7575babaee9658c5a2bc007a8dd2ec49ae /drivers/misc/sgi-gru/grulib.h | |
| parent | cd1334f03f7b799bc6893b511daf2080e8f73863 (diff) | |
| download | op-kernel-dev-9cc9b056ea51608788609d7e26c7db55ef81bb2e.zip op-kernel-dev-9cc9b056ea51608788609d7e26c7db55ef81bb2e.tar.gz | |
gru: dump chiplet state
Add support for dumpping the state of an entire GRU chiplet.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grulib.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grulib.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grulib.h b/drivers/misc/sgi-gru/grulib.h index e56e196..6ab8726 100644 --- a/drivers/misc/sgi-gru/grulib.h +++ b/drivers/misc/sgi-gru/grulib.h @@ -47,6 +47,9 @@ /* For fetching GRU chiplet status */ #define GRU_GET_CHIPLET_STATUS _IOWR(GRU_IOCTL_NUM, 10, void *) +/* For dumpping GRU chiplet state */ +#define GRU_DUMP_CHIPLET_STATE _IOWR(GRU_IOCTL_NUM, 11, void *) + /* For user TLB flushing (primarily for tests) */ #define GRU_USER_FLUSH_TLB _IOWR(GRU_IOCTL_NUM, 50, void *) @@ -84,6 +87,36 @@ struct gru_flush_tlb_req { }; /* + * Structure used to pass TLB flush parameters to the driver + */ +enum {dcs_pid, dcs_gid}; +struct gru_dump_chiplet_state_req { + unsigned int op; + int gid; + int ctxnum; + char data_opt; + char lock_cch; + pid_t pid; + void *buf; + size_t buflen; + /* ---- output --- */ + unsigned int num_contexts; +}; + +#define GRU_DUMP_MAGIC 0x3474ab6c +struct gru_dump_context_header { + unsigned int magic; + unsigned char gid; + unsigned char ctxnum; + unsigned char cbrcnt; + unsigned char dsrcnt; + pid_t pid; + unsigned long vaddr; + int cch_locked; + unsigned long data[0]; +}; + +/* * GRU configuration info (temp - for testing) */ struct gru_config_info { |
