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-rw-r--r--include/linux/lguest_launcher.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index f27cae27b0c1..c4451ebece47 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -68,6 +68,19 @@ enum lguest_req
};
/*
+ * This is what read() of the lguest fd populates. trap ==
+ * LGUEST_TRAP_ENTRY for an LHCALL_NOTIFY (addr is the
+ * argument), 14 for a page fault in the MMIO region (addr is
+ * the trap address, insn is the instruction), or 13 for a GPF
+ * (insn is the instruction).
+ */
+struct lguest_pending {
+ __u8 trap;
+ __u8 insn[7];
+ __u32 addr;
+};
+
+/*
* The alignment to use between consumer and producer parts of vring.
* x86 pagesize for historical reasons.
*/