X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=drivers%2Fmisc%2Fsgi-gru%2Fgrulib.h;h=6ab872665e7f958af4c22fda544acfadfb839319;hb=9cc9b056ea51608788609d7e26c7db55ef81bb2e;hp=e56e196a69982e5d4f3b78a3e8e27c544031ea5c;hpb=0b88641f1bafdbd087d5e63987a30cc0eadd63b9;p=mirror_ubuntu-bionic-kernel.git

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 *)
 
@@ -83,6 +86,36 @@ struct gru_flush_tlb_req {
 	size_t		len;
 };
 
+/*
+ * 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)
  */