vdpa/mlx5: add task ring for multi-thread management

[dpdk.git] / drivers / dma / cnxk / cnxk_dmadev.h

diff --git a/drivers/dma/cnxk/cnxk_dmadev.h b/drivers/dma/cnxk/cnxk_dmadev.h
index f573e17..5fc241b 100644 (file)
--- a/drivers/dma/cnxk/cnxk_dmadev.h
+++ b/drivers/dma/cnxk/cnxk_dmadev.h
@@ -4,8 +4,41 @@
 #ifndef CNXK_DMADEV_H
 #define CNXK_DMADEV_H
 
+#define DPI_MAX_POINTER                15
+#define DPI_QUEUE_STOP         0x0
+#define DPI_QUEUE_START                0x1
+#define STRM_INC(s)            ((s).tail = ((s).tail + 1) % (s).max_cnt)
+#define DPI_MAX_DESC           DPI_MAX_POINTER
+
+/* Set Completion data to 0xFF when request submitted,
+ * upon successful request completion engine reset to completion status
+ */
+#define DPI_REQ_CDATA          0xFF
+
+struct cnxk_dpi_compl_s {
+       uint64_t cdata;
+       void *cb_data;
+};
+
+struct cnxk_dpi_cdesc_data_s {
+       struct cnxk_dpi_compl_s *compl_ptr[DPI_MAX_DESC];
+       uint16_t max_cnt;
+       uint16_t head;
+       uint16_t tail;
+};
+
+struct cnxk_dpi_conf {
+       union dpi_instr_hdr_s hdr;
+       struct cnxk_dpi_cdesc_data_s c_desc;
+};
+
 struct cnxk_dpi_vf_s {
        struct roc_dpi rdpi;
+       struct cnxk_dpi_conf conf;
+       struct rte_dma_stats stats;
+       uint64_t cmd[DPI_MAX_CMD_SIZE];
+       uint32_t num_words;
+       uint16_t desc_idx;
 };
 
 #endif