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authorStefan Hajnoczi <stefanha@redhat.com>2025-03-11 09:26:14 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2025-03-11 09:26:15 +0800
commit6d1829fce4ea50d343f2df63eeff96685a359bf5 (patch)
tree38dd268a019e2acddef602485225f744fa1a7c88 /plugins/api-user.c
parent5136598e2667f35ef3dc1d757616a266bd5eb3a2 (diff)
parent0d3dea7d7a49c22897e7435e8e09d9f587bc56c8 (diff)
downloadfocaccia-qemu-6d1829fce4ea50d343f2df63eeff96685a359bf5.tar.gz
focaccia-qemu-6d1829fce4ea50d343f2df63eeff96685a359bf5.zip
Merge tag 'pull-10.0-for-softfreeze-100325-3' of https://gitlab.com/stsquad/qemu into staging
functional and tcg tests, plugins and MAINTAINERS

  - update and expand aarch64 GPU tests
  - fix build dependence for plugins
  - update libvirt-ci to vulkan-tools
  - allow plugin tests to run on non-POSIX systems
  - tweak test/vm times
  - mark test-vma as linux only
  - various compiler fixes for tcg tests
  - add gitlab build unit tracker
  - error out early on stalled RME tests
  - compile core plugin code once
  - update MAINTAINERS

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# gpg: Signature made Mon 10 Mar 2025 18:43:03 HKT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
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* tag 'pull-10.0-for-softfreeze-100325-3' of https://gitlab.com/stsquad/qemu: (31 commits)
  MAINTAINERS: remove widely sanctioned entities
  plugins/core: make a single build unit
  plugins/api: build only once
  plugins/api: split out time control helpers
  plugins/api: split out the vaddr/hwaddr helpers
  plugins/api: split out binary path/start/end/entry code
  plugins/loader: compile loader only once
  plugins/plugin.h: include queue.h
  plugins/api: clean-up the includes
  include/qemu: plugin-memory.h doesn't need cpu-defs.h
  plugins/loader: populate target_name with target_name()
  plugins/api: use qemu_target_page_mask() to get value
  tests/functional: add boot error detection for RME tests
  gitlab: add a new build_unit job to track build size
  tests/tcg: Suppress compiler false-positive warning on sha1.c
  tests/tcg: enable -fwrapv for test-i386-bmi
  tests/tcg: fix constraints in test-i386-adcox
  tests/tcg: add message to _Static_assert in test-avx
  tests/tcg: mark test-vma as a linux-only test
  tests/vm: bump timeout for shutdown
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'plugins/api-user.c')
-rw-r--r--plugins/api-user.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/plugins/api-user.c b/plugins/api-user.c
new file mode 100644
index 0000000000..28704a89e8
--- /dev/null
+++ b/plugins/api-user.c
@@ -0,0 +1,57 @@
+/*
+ * QEMU Plugin API - user-mode only implementations
+ *
+ * This provides the APIs that have a user-mode specific
+ * implementations or are only relevant to user-mode.
+ *
+ * Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
+ * Copyright (C) 2019-2025, Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/plugin.h"
+#include "exec/log.h"
+
+/*
+ * Virtual Memory queries - these are all NOPs for user-mode which
+ * only ever has visibility of virtual addresses.
+ */
+
+struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
+                                                  uint64_t vaddr)
+{
+    return NULL;
+}
+
+bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
+{
+    return false;
+}
+
+uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr)
+{
+    return 0;
+}
+
+const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h)
+{
+    return g_intern_static_string("Invalid");
+}
+
+/*
+ * Time control - for user mode the only real time is wall clock time
+ * so realistically all you can do in user mode is slow down execution
+ * which doesn't require the ability to mess with the clock.
+ */
+
+const void *qemu_plugin_request_time_control(void)
+{
+    return NULL;
+}
+
+void qemu_plugin_update_ns(const void *handle, int64_t new_time)
+{
+    qemu_log_mask(LOG_UNIMP, "user-mode can't control time");
+}