net/liquidio: add APIs to allocate and free soft command

[dpdk.git] / drivers / net / liquidio / lio_rxtx.h

diff --git a/drivers/net/liquidio/lio_rxtx.h b/drivers/net/liquidio/lio_rxtx.h
index b308211..284cb18 100644 (file)
--- a/drivers/net/liquidio/lio_rxtx.h
+++ b/drivers/net/liquidio/lio_rxtx.h
@@ -53,9 +53,47 @@ struct lio_request_list {
 /** Maximum number of buffers to allocate into soft command buffer pool */
 #define LIO_MAX_SOFT_COMMAND_BUFFERS   255
 
+struct lio_soft_command {
+       /** Soft command buffer info. */
+       struct lio_stailq_node node;
+       uint64_t dma_addr;
+       uint32_t size;
+
+#define LIO_COMPLETION_WORD_INIT       0xffffffffffffffffULL
+       uint64_t *status_word;
+
+       /** Data buffer info */
+       void *virtdptr;
+       uint64_t dmadptr;
+       uint32_t datasize;
+
+       /** Return buffer info */
+       void *virtrptr;
+       uint64_t dmarptr;
+       uint32_t rdatasize;
+
+       /** Context buffer info */
+       void *ctxptr;
+       uint32_t ctxsize;
+
+       /** Time out and callback */
+       size_t wait_time;
+       size_t timeout;
+       uint32_t iq_no;
+       void (*callback)(uint32_t, void *);
+       void *callback_arg;
+       struct rte_mbuf *mbuf;
+};
+
 int lio_setup_sc_buffer_pool(struct lio_device *lio_dev);
 void lio_free_sc_buffer_pool(struct lio_device *lio_dev);
 
+struct lio_soft_command *
+lio_alloc_soft_command(struct lio_device *lio_dev,
+                      uint32_t datasize, uint32_t rdatasize,
+                      uint32_t ctxsize);
+void lio_free_soft_command(struct lio_soft_command *sc);
+
 /** Setup instruction queue zero for the device
  *  @param lio_dev which lio device to setup
  *