hw/uefi: add trace-events

Add trace events for debugging and trouble shooting.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250225163031.1409078-16-kraxel@redhat.com>

hw/uefi/trace-events

@@ -0,0 +1,17 @@
+# device
+uefi_reg_read(uint64_t addr, unsigned size) "addr 0x%" PRIx64 ", size %u"
+uefi_reg_write(uint64_t addr, uint64_t val, unsigned size) "addr 0x%" PRIx64 ", val 0x%" PRIx64 ", size %d"
+uefi_hard_reset(void) ""
+
+# generic uefi
+uefi_variable(const char *context, const char *name, uint64_t size, const char *uuid) "context %s, name %s, size %" PRIu64 ", uuid %s"
+uefi_status(const char *context, const char *name) "context %s, status %s"
+uefi_event(const char *name) "event %s"
+
+# variable protocol
+uefi_vars_proto_cmd(const char *cmd) "cmd %s"
+uefi_vars_security_violation(const char *reason) "reason %s"
+
+# variable policy protocol
+uefi_vars_policy_cmd(const char *cmd) "cmd %s"
+uefi_vars_policy_deny(const char *reason) "reason %s"