net/dpaa2: add support for multi seg buffers

[dpdk.git] / drivers / bus / fslmc / portal / dpaa2_hw_pvt.h

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index a2d3bd0..f9f4e29 100644 (file)
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -156,6 +156,19 @@ struct qbman_fle {
        uint32_t reserved[3]; /* Not used currently */
 };
 
+struct qbman_sge {
+       uint32_t addr_lo;
+       uint32_t addr_hi;
+       uint32_t length;
+       uint32_t fin_bpid_offset;
+};
+
+/* There are three types of frames: Single, Scatter Gather and Frame Lists */
+enum qbman_fd_format {
+       qbman_fd_single = 0,
+       qbman_fd_list,
+       qbman_fd_sg
+};
 /*Macros to define operations on FD*/
 #define DPAA2_SET_FD_ADDR(fd, addr) do {                       \
        fd->simple.addr_lo = lower_32_bits((uint64_t)(addr));   \
@@ -185,7 +198,7 @@ struct qbman_fle {
 #define DPAA2_SET_FLE_OFFSET(fle, offset) \
        ((fle)->fin_bpid_offset |= (uint32_t)(offset) << 16)
 #define DPAA2_SET_FLE_BPID(fle, bpid) ((fle)->fin_bpid_offset |= (uint64_t)bpid)
-#define DPAA2_GET_FLE_BPID(fle, bpid) (fle->fin_bpid_offset & 0x000000ff)
+#define DPAA2_GET_FLE_BPID(fle) ((fle)->fin_bpid_offset & 0x000000ff)
 #define DPAA2_SET_FLE_FIN(fle) (fle->fin_bpid_offset |= (uint64_t)1 << 31)
 #define DPAA2_SET_FLE_IVP(fle)   (((fle)->fin_bpid_offset |= 0x00004000))
 #define DPAA2_SET_FD_COMPOUND_FMT(fd)  \
@@ -197,6 +210,7 @@ struct qbman_fle {
 #define DPAA2_GET_FD_BPID(fd)  (((fd)->simple.bpid_offset & 0x00003FFF))
 #define DPAA2_GET_FD_IVP(fd)   ((fd->simple.bpid_offset & 0x00004000) >> 14)
 #define DPAA2_GET_FD_OFFSET(fd)        (((fd)->simple.bpid_offset & 0x0FFF0000) >> 16)
+#define DPAA2_GET_FLE_OFFSET(fle) (((fle)->fin_bpid_offset & 0x0FFF0000) >> 16)
 #define DPAA2_SET_FLE_SG_EXT(fle) (fle->fin_bpid_offset |= (uint64_t)1 << 29)
 #define DPAA2_IS_SET_FLE_SG_EXT(fle)   \
        ((fle->fin_bpid_offset & ((uint64_t)1 << 29)) ? 1 : 0)
@@ -206,6 +220,17 @@ struct qbman_fle {
 
 #define DPAA2_ASAL_VAL (DPAA2_MBUF_HW_ANNOTATION / 64)
 
+#define DPAA2_FD_SET_FORMAT(fd, format)        do {                            \
+               (fd)->simple.bpid_offset &= 0xCFFFFFFF;                 \
+               (fd)->simple.bpid_offset |= (uint32_t)format << 28;     \
+} while (0)
+#define DPAA2_FD_GET_FORMAT(fd)        (((fd)->simple.bpid_offset >> 28) & 0x3)
+
+#define DPAA2_SG_SET_FINAL(sg, fin)    do {                            \
+               (sg)->fin_bpid_offset &= 0x7FFFFFFF;                    \
+               (sg)->fin_bpid_offset |= (uint32_t)fin << 31;           \
+} while (0)
+#define DPAA2_SG_IS_FINAL(sg) (!!((sg)->fin_bpid_offset >> 31))
 /* Only Enqueue Error responses will be
  * pushed on FQID_ERR of Enqueue FQ
  */
@@ -250,7 +275,7 @@ static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr)
 /**
  * When we are using Physical addresses as IO Virtual Addresses,
  * Need to call conversion routines dpaa2_mem_vtop & dpaa2_mem_ptov
- * whereever required.
+ * wherever required.
  * These routines are called with help of below MACRO's
  */