X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fgpudev%2Fgpudev_driver.h;h=cb7b101f2f25160e7daede55ac4246d8e63c2984;hb=2d61b429cff2eb7bae83c242da4832347779500b;hp=2a7089aa52bb6bac972fd628e9c18946180c37d6;hpb=18cb075631653e492791310a7a5b58dfbbddbe23;p=dpdk.git

diff --git a/lib/gpudev/gpudev_driver.h b/lib/gpudev/gpudev_driver.h
index 2a7089aa52..cb7b101f2f 100644
--- a/lib/gpudev/gpudev_driver.h
+++ b/lib/gpudev/gpudev_driver.h
@@ -27,27 +27,51 @@ enum rte_gpu_state {
 struct rte_gpu;
 typedef int (rte_gpu_close_t)(struct rte_gpu *dev);
 typedef int (rte_gpu_info_get_t)(struct rte_gpu *dev, struct rte_gpu_info *info);
+typedef int (rte_gpu_mem_alloc_t)(struct rte_gpu *dev, size_t size, void **ptr);
+typedef int (rte_gpu_mem_free_t)(struct rte_gpu *dev, void *ptr);
+typedef int (rte_gpu_mem_register_t)(struct rte_gpu *dev, size_t size, void *ptr);
+typedef int (rte_gpu_mem_unregister_t)(struct rte_gpu *dev, void *ptr);
+typedef int (rte_gpu_wmb_t)(struct rte_gpu *dev);
 
 struct rte_gpu_ops {
 	/* Get device info. If NULL, info is just copied. */
 	rte_gpu_info_get_t *dev_info_get;
-	/* Close device. */
+	/* Close device or child context. */
 	rte_gpu_close_t *dev_close;
+	/* Allocate memory in device. */
+	rte_gpu_mem_alloc_t *mem_alloc;
+	/* Free memory allocated in device. */
+	rte_gpu_mem_free_t *mem_free;
+	/* Register CPU memory in device. */
+	rte_gpu_mem_register_t *mem_register;
+	/* Unregister CPU memory from device. */
+	rte_gpu_mem_unregister_t *mem_unregister;
+	/* Enforce GPU write memory barrier. */
+	rte_gpu_wmb_t *wmb;
 };
 
-struct rte_gpu {
-	/* Backing device. */
-	struct rte_device *device;
+struct rte_gpu_mpshared {
 	/* Unique identifier name. */
 	char name[RTE_DEV_NAME_MAX_LEN]; /* Updated by this library. */
+	/* Driver-specific private data shared in multi-process. */
+	void *dev_private;
 	/* Device info structure. */
 	struct rte_gpu_info info;
+	/* Counter of processes using the device. */
+	uint16_t process_refcnt; /* Updated by this library. */
+};
+
+struct rte_gpu {
+	/* Backing device. */
+	struct rte_device *device;
+	/* Data shared between processes. */
+	struct rte_gpu_mpshared *mpshared;
 	/* Driver functions. */
 	struct rte_gpu_ops ops;
 	/* Event callback list. */
 	TAILQ_HEAD(rte_gpu_callback_list, rte_gpu_callback) callbacks;
 	/* Current state (used or not) in the running process. */
-	enum rte_gpu_state state; /* Updated by this library. */
+	enum rte_gpu_state process_state; /* Updated by this library. */
 	/* Driver-specific private data for the running process. */
 	void *process_private;
 } __rte_cache_aligned;
@@ -55,15 +79,19 @@ struct rte_gpu {
 __rte_internal
 struct rte_gpu *rte_gpu_get_by_name(const char *name);
 
-/* First step of initialization */
+/* First step of initialization in primary process. */
 __rte_internal
 struct rte_gpu *rte_gpu_allocate(const char *name);
 
+/* First step of initialization in secondary process. */
+__rte_internal
+struct rte_gpu *rte_gpu_attach(const char *name);
+
 /* Last step of initialization. */
 __rte_internal
 void rte_gpu_complete_new(struct rte_gpu *dev);
 
-/* Last step of removal. */
+/* Last step of removal (primary or secondary process). */
 __rte_internal
 int rte_gpu_release(struct rte_gpu *dev);