amdgpu: add missing extern "C" headers

[android-x86/external-libdrm.git] / amdgpu / amdgpu.h

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 6b2ded8..1901fa8 100644 (file)
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -37,6 +37,10 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct drm_amdgpu_info_hw_ip;
 
 /*--------------------------------------------------------------------------*/
@@ -907,6 +911,29 @@ int amdgpu_cs_query_fence_status(struct amdgpu_cs_fence *fence,
                                 uint64_t flags,
                                 uint32_t *expired);
 
+/**
+ *  Wait for multiple fences
+ *
+ * \param   fences      - \c [in] The fence array to wait
+ * \param   fence_count - \c [in] The fence count
+ * \param   wait_all    - \c [in] If true, wait all fences to be signaled,
+ *                                otherwise, wait at least one fence
+ * \param   timeout_ns  - \c [in] The timeout to wait, in nanoseconds
+ * \param   status      - \c [out] '1' for signaled, '0' for timeout
+ * \param   first       - \c [out] the index of the first signaled fence from @fences
+ *
+ * \return  0 on success
+ *          <0 - Negative POSIX Error code
+ *
+ * \note    Currently it supports only one amdgpu_device. All fences come from
+ *          the same amdgpu_device with the same fd.
+*/
+int amdgpu_cs_wait_fences(struct amdgpu_cs_fence *fences,
+                         uint32_t fence_count,
+                         bool wait_all,
+                         uint64_t timeout_ns,
+                         uint32_t *status, uint32_t *first);
+
 /*
  * Query / Info API
  *
@@ -1059,6 +1086,24 @@ int amdgpu_query_gds_info(amdgpu_device_handle dev,
                        struct amdgpu_gds_resource_info *gds_info);
 
 /**
+ * Query information about sensor.
+ *
+ * The return size is query-specific and depends on the "sensor_type"
+ * parameter. No more than "size" bytes is returned.
+ *
+ * \param   dev         - \c [in] Device handle. See #amdgpu_device_initialize()
+ * \param   sensor_type - \c [in] AMDGPU_INFO_SENSOR_*
+ * \param   size        - \c [in] Size of the returned value.
+ * \param   value       - \c [out] Pointer to the return value.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_query_sensor_info(amdgpu_device_handle dev, unsigned sensor_type,
+                            unsigned size, void *value);
+
+/**
  * Read a set of consecutive memory-mapped registers.
  * Not all registers are allowed to be read by userspace.
  *
@@ -1283,4 +1328,8 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem);
 */
 const char *amdgpu_get_marketing_name(amdgpu_device_handle dev);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* #ifdef _AMDGPU_H_ */