IB/ipath: Print more informative parity error messages
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 5762b87..b58d35e 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -132,6 +132,82 @@
return ignore_this_time;
}
+/* generic hw error messages... */
+#define INFINIPATH_HWE_TXEMEMPARITYERR_MSG(a) \
+ { \
+ .mask = ( INFINIPATH_HWE_TXEMEMPARITYERR_##a << \
+ INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT ), \
+ .msg = "TXE " #a " Memory Parity" \
+ }
+#define INFINIPATH_HWE_RXEMEMPARITYERR_MSG(a) \
+ { \
+ .mask = ( INFINIPATH_HWE_RXEMEMPARITYERR_##a << \
+ INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT ), \
+ .msg = "RXE " #a " Memory Parity" \
+ }
+
+static const struct ipath_hwerror_msgs ipath_generic_hwerror_msgs[] = {
+ INFINIPATH_HWE_MSG(IBCBUSFRSPCPARITYERR, "IPATH2IB Parity"),
+ INFINIPATH_HWE_MSG(IBCBUSTOSPCPARITYERR, "IB2IPATH Parity"),
+
+ INFINIPATH_HWE_TXEMEMPARITYERR_MSG(PIOBUF),
+ INFINIPATH_HWE_TXEMEMPARITYERR_MSG(PIOPBC),
+ INFINIPATH_HWE_TXEMEMPARITYERR_MSG(PIOLAUNCHFIFO),
+
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(RCVBUF),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(LOOKUPQ),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(EAGERTID),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(EXPTID),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(FLAGBUF),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(DATAINFO),
+ INFINIPATH_HWE_RXEMEMPARITYERR_MSG(HDRINFO),
+};
+
+/**
+ * ipath_format_hwmsg - format a single hwerror message
+ * @msg message buffer
+ * @msgl length of message buffer
+ * @hwmsg message to add to message buffer
+ */
+static void ipath_format_hwmsg(char *msg, size_t msgl, const char *hwmsg)
+{
+ strlcat(msg, "[", msgl);
+ strlcat(msg, hwmsg, msgl);
+ strlcat(msg, "]", msgl);
+}
+
+/**
+ * ipath_format_hwerrors - format hardware error messages for display
+ * @hwerrs hardware errors bit vector
+ * @hwerrmsgs hardware error descriptions
+ * @nhwerrmsgs number of hwerrmsgs
+ * @msg message buffer
+ * @msgl message buffer length
+ */
+void ipath_format_hwerrors(u64 hwerrs,
+ const struct ipath_hwerror_msgs *hwerrmsgs,
+ size_t nhwerrmsgs,
+ char *msg, size_t msgl)
+{
+ int i;
+ const int glen =
+ sizeof(ipath_generic_hwerror_msgs) /
+ sizeof(ipath_generic_hwerror_msgs[0]);
+
+ for (i=0; i<glen; i++) {
+ if (hwerrs & ipath_generic_hwerror_msgs[i].mask) {
+ ipath_format_hwmsg(msg, msgl,
+ ipath_generic_hwerror_msgs[i].msg);
+ }
+ }
+
+ for (i=0; i<nhwerrmsgs; i++) {
+ if (hwerrs & hwerrmsgs[i].mask) {
+ ipath_format_hwmsg(msg, msgl, hwerrmsgs[i].msg);
+ }
+ }
+}
+
/* return the strings for the most common link states */
static char *ib_linkstate(u32 linkstate)
{