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Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_common.h')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_common.h36
1 files changed, 30 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 10c008f22ba6..6ad822c35930 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -100,8 +100,7 @@ struct infinipath_stats {
__u64 sps_hwerrs;
/* number of times IB link changed state unexpectedly */
__u64 sps_iblink;
- /* kernel receive interrupts that didn't read intstat */
- __u64 sps_fastrcvint;
+ __u64 sps_unused; /* was fastrcvint, no longer implemented */
/* number of kernel (port0) packets received */
__u64 sps_port0pkts;
/* number of "ethernet" packets sent by driver */
@@ -189,8 +188,7 @@ typedef enum _ipath_ureg {
#define IPATH_RUNTIME_FORCE_WC_ORDER 0x4
#define IPATH_RUNTIME_RCVHDR_COPY 0x8
#define IPATH_RUNTIME_MASTER 0x10
-#define IPATH_RUNTIME_PBC_REWRITE 0x20
-#define IPATH_RUNTIME_LOOSE_DMA_ALIGN 0x40
+/* 0x20 and 0x40 are no longer used, but are reserved for ABI compatibility */
/*
* This structure is returned by ipath_userinit() immediately after
@@ -432,8 +430,15 @@ struct ipath_user_info {
#define IPATH_CMD_UNUSED_1 25
#define IPATH_CMD_UNUSED_2 26
#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */
+#define IPATH_CMD_POLL_TYPE 28 /* set the kind of polling we want */
-#define IPATH_CMD_MAX 27
+#define IPATH_CMD_MAX 28
+
+/*
+ * Poll types
+ */
+#define IPATH_POLL_TYPE_URGENT 0x01
+#define IPATH_POLL_TYPE_OVERFLOW 0x02
struct ipath_port_info {
__u32 num_active; /* number of active units */
@@ -474,6 +479,8 @@ struct ipath_cmd {
__u16 part_key;
/* user address of __u32 bitmask of active slaves */
__u64 slave_mask_addr;
+ /* type of polling we want */
+ __u16 poll_type;
} cmd;
};
@@ -502,13 +509,30 @@ struct __ipath_sendpkt {
struct ipath_iovec sps_iov[4];
};
-/* Passed into diag data special file's ->write method. */
+/*
+ * diagnostics can send a packet by "writing" one of the following
+ * two structs to diag data special file
+ * The first is the legacy version for backward compatibility
+ */
struct ipath_diag_pkt {
__u32 unit;
__u64 data;
__u32 len;
};
+/* The second diag_pkt struct is the expanded version that allows
+ * more control over the packet, specifically, by allowing a custom
+ * pbc (+ extra) qword, so that special modes and deliberate
+ * changes to CRCs can be used. The elements were also re-ordered
+ * for better alignment and to avoid padding issues.
+ */
+struct ipath_diag_xpkt {
+ __u64 data;
+ __u64 pbc_wd;
+ __u32 unit;
+ __u32 len;
+};
+
/*
* Data layout in I2C flash (for GUID, etc.)
* All fields are little-endian binary unless otherwise stated