X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fdmadev%2Frte_dmadev_pmd.h;h=82ab7a8cc7a7858447cc87b0e8d2bcef0c5c3243;hb=ec487c189686ee9b3b7551d3aca138cec3f91e74;hp=bb09382dce389fc2c4b985cb360fe9a1938304e6;hpb=b36970f2e13eadd34aef0c5b611a10e345a6f5b0;p=dpdk.git

diff --git a/lib/dmadev/rte_dmadev_pmd.h b/lib/dmadev/rte_dmadev_pmd.h
index bb09382dce..82ab7a8cc7 100644
--- a/lib/dmadev/rte_dmadev_pmd.h
+++ b/lib/dmadev/rte_dmadev_pmd.h
@@ -14,12 +14,96 @@
  * by any application.
  */
 
+#include <rte_dev.h>
+
 #include "rte_dmadev.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+struct rte_dma_dev;
+
+/** @internal Used to get device information of a device. */
+typedef int (*rte_dma_info_get_t)(const struct rte_dma_dev *dev,
+				  struct rte_dma_info *dev_info,
+				  uint32_t info_sz);
+
+/** @internal Used to configure a device. */
+typedef int (*rte_dma_configure_t)(struct rte_dma_dev *dev,
+				   const struct rte_dma_conf *dev_conf,
+				   uint32_t conf_sz);
+
+/** @internal Used to start a configured device. */
+typedef int (*rte_dma_start_t)(struct rte_dma_dev *dev);
+
+/** @internal Used to stop a configured device. */
+typedef int (*rte_dma_stop_t)(struct rte_dma_dev *dev);
+
+/** @internal Used to close a configured device. */
+typedef int (*rte_dma_close_t)(struct rte_dma_dev *dev);
+
+/** @internal Used to allocate and set up a virtual DMA channel. */
+typedef int (*rte_dma_vchan_setup_t)(struct rte_dma_dev *dev, uint16_t vchan,
+				const struct rte_dma_vchan_conf *conf,
+				uint32_t conf_sz);
+
+/** @internal Used to retrieve basic statistics. */
+typedef int (*rte_dma_stats_get_t)(const struct rte_dma_dev *dev,
+			uint16_t vchan, struct rte_dma_stats *stats,
+			uint32_t stats_sz);
+
+/** @internal Used to reset basic statistics. */
+typedef int (*rte_dma_stats_reset_t)(struct rte_dma_dev *dev, uint16_t vchan);
+
+/** @internal Used to check if a virtual channel has finished all jobs. */
+typedef int (*rte_dma_vchan_status_t)(const struct rte_dma_dev *dev, uint16_t vchan,
+		enum rte_dma_vchan_status *status);
+
+/** @internal Used to dump internal information. */
+typedef int (*rte_dma_dump_t)(const struct rte_dma_dev *dev, FILE *f);
+
+/**
+ * DMA device operations function pointer table.
+ *
+ * @see struct rte_dma_dev:dev_ops
+ */
+struct rte_dma_dev_ops {
+	rte_dma_info_get_t         dev_info_get;
+	rte_dma_configure_t        dev_configure;
+	rte_dma_start_t            dev_start;
+	rte_dma_stop_t             dev_stop;
+	rte_dma_close_t            dev_close;
+
+	rte_dma_vchan_setup_t      vchan_setup;
+
+	rte_dma_stats_get_t        stats_get;
+	rte_dma_stats_reset_t      stats_reset;
+
+	rte_dma_vchan_status_t     vchan_status;
+	rte_dma_dump_t             dev_dump;
+};
+
+/**
+ * @internal
+ * The data part, with no function pointers, associated with each DMA device.
+ *
+ * This structure is safe to place in shared memory to be common among different
+ * processes in a multi-process configuration.
+ *
+ * @see struct rte_dma_dev::data
+ */
+struct rte_dma_dev_data {
+	char dev_name[RTE_DEV_NAME_MAX_LEN]; /**< Unique identifier name */
+	int16_t dev_id; /**< Device [external] identifier. */
+	int16_t numa_node; /**< Local NUMA memory ID. -1 if unknown. */
+	void *dev_private; /**< PMD-specific private data. */
+	struct rte_dma_conf dev_conf; /**< DMA device configuration. */
+	__extension__
+	uint8_t dev_started : 1; /**< Device state: STARTED(1)/STOPPED(0). */
+	uint64_t reserved[2]; /**< Reserved for future fields */
+} __rte_cache_aligned;
+
 /**
  * Possible states of a DMA device.
  *
@@ -38,18 +122,17 @@ enum rte_dma_dev_state {
  * The generic data structure associated with each DMA device.
  */
 struct rte_dma_dev {
-	char dev_name[RTE_DEV_NAME_MAX_LEN]; /**< Unique identifier name */
-	int16_t dev_id; /**< Device [external] identifier. */
-	int16_t numa_node; /**< Local NUMA memory ID. -1 if unknown. */
-	void *dev_private; /**< PMD-specific private data. */
 	/** Device info which supplied during device initialization. */
 	struct rte_device *device;
+	struct rte_dma_dev_data *data; /**< Pointer to shared device data. */
+	/**< Fast-path functions and related data. */
+	struct rte_dma_fp_object *fp_obj;
+	/** Functions implemented by PMD. */
+	const struct rte_dma_dev_ops *dev_ops;
 	enum rte_dma_dev_state state; /**< Flag indicating the device state. */
 	uint64_t reserved[2]; /**< Reserved for future fields. */
 } __rte_cache_aligned;
 
-extern struct rte_dma_dev *rte_dma_devices;
-
 /**
  * @internal
  * Allocate a new dmadev slot for an DMA device and return the pointer to that