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Diffstat (limited to 'drivers/misc/sgi-gru/grulib.h')
-rw-r--r--drivers/misc/sgi-gru/grulib.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grulib.h b/drivers/misc/sgi-gru/grulib.h
index e56e196a6998..6ab872665e7f 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 {