[PATCH v2 09/19] hw/net/bcm2838_genet: add GENET register access macros

Marcelo Manzo <[email protected]>
Newsgroups org.nongnu.qemu-arm,org.nongnu.qemu-devel
Message-ID <[email protected]>
From: Sergey Kambalin <[email protected]>

Add offsetof()-based byte-offset macros for the register block
layouts added in the previous patches (INTRL0/1, UMAC, TDMA/RDMA
and their per-ring registers, HFB filters), used by the MMIO
read/write dispatch implemented in the following patches.

Part of Sergey Kambalin's original Raspberry Pi 4B PCIe/GENET
networking series (patchwork series 829638, posted to qemu-devel in
2024, never merged). Carried forward and completed by Marcelo Manzo.

Signed-off-by: Sergey Kambalin <[email protected]>
Signed-off-by: Marcelo Manzo <[email protected]>
---
 include/hw/net/bcm2838_genet.h | 78 ++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/include/hw/net/bcm2838_genet.h b/include/hw/net/bcm2838_genet.h
index 12439b580d..b9895933b6 100644
--- a/include/hw/net/bcm2838_genet.h
+++ b/include/hw/net/bcm2838_genet.h
@@ -22,9 +22,87 @@ OBJECT_DECLARE_SIMPLE_TYPE(BCM2838GenetState, BCM2838_GENET)
 #define BCM2838_GENET_DMA_RING_CNT      17
 #define BCM2838_GENET_DMA_RING_DEFAULT  (BCM2838_GENET_DMA_RING_CNT - 1)
 
+#define BCM2838_GENET_HFB_FILTER_REGS     offsetof(BCM2838GenetRegs, hfb)
+#define BCM2838_GENET_HFB_FILTER_REG(reg) (BCM2838_GENET_HFB_FILTER_REGS \
+                                           + offsetof(BCM2838GenetRegsHfb, reg))
 #define BCM2838_GENET_HFB_FILTER_CNT      48
 #define BCM2838_GENET_HFB_FILTER_SIZE     128
 
+#define BCM2838_GENET_INTRL0_REG(reg)   (offsetof(BCM2838GenetRegs, intrl0) \
+                                        + offsetof(BCM2838GenetRegsIntrl0, reg))
+#define BCM2838_GENET_INTRL0_SET        BCM2838_GENET_INTRL0_REG(set)
+#define BCM2838_GENET_INTRL0_CLEAR      BCM2838_GENET_INTRL0_REG(clear)
+#define BCM2838_GENET_INTRL0_MASK_SET   BCM2838_GENET_INTRL0_REG(mask_set)
+#define BCM2838_GENET_INTRL0_MASK_CLEAR BCM2838_GENET_INTRL0_REG(mask_clear)
+
+#define BCM2838_GENET_INTRL1_REG(reg)   (offsetof(BCM2838GenetRegs, intrl1) \
+                                        + offsetof(BCM2838GenetRegsIntrl1, reg))
+#define BCM2838_GENET_INTRL1_SET        BCM2838_GENET_INTRL1_REG(set)
+#define BCM2838_GENET_INTRL1_CLEAR      BCM2838_GENET_INTRL1_REG(clear)
+#define BCM2838_GENET_INTRL1_MASK_SET   BCM2838_GENET_INTRL1_REG(mask_set)
+#define BCM2838_GENET_INTRL1_MASK_CLEAR BCM2838_GENET_INTRL1_REG(mask_clear)
+
+#define BCM2838_GENET_UMAC_REG(reg)     (offsetof(BCM2838GenetRegs, umac) \
+                                         + offsetof(BCM2838GenetRegsUmac, reg))
+#define BCM2838_GENET_UMAC_CMD          BCM2838_GENET_UMAC_REG(cmd)
+#define BCM2838_GENET_UMAC_MAC0         BCM2838_GENET_UMAC_REG(mac0)
+#define BCM2838_GENET_UMAC_MAC1         BCM2838_GENET_UMAC_REG(mac1)
+#define BCM2838_GENET_UMAC_MDIO_CMD     BCM2838_GENET_UMAC_REG(mdio_cmd)
+
+#define BCM2838_GENET_TDMA_REGS         offsetof(BCM2838GenetRegs, tdma)
+#define BCM2838_GENET_TDMA_REG(reg)     (BCM2838_GENET_TDMA_REGS \
+                                         + offsetof(BCM2838GenetRegsTdma, reg))
+#define BCM2838_GENET_TDMA_RINGS        BCM2838_GENET_TDMA_REG(rings)
+#define BCM2838_GENET_TDMA_RING_CFG     BCM2838_GENET_TDMA_REG(ring_cfg)
+#define BCM2838_GENET_TDMA_CTRL         BCM2838_GENET_TDMA_REG(ctrl)
+#define BCM2838_GENET_TDMA_STATUS       BCM2838_GENET_TDMA_REG(status)
+
+#define BCM2838_GENET_RDMA_REGS         offsetof(BCM2838GenetRegs, rdma)
+#define BCM2838_GENET_RDMA_REG(reg)     (BCM2838_GENET_RDMA_REGS \
+                                         + offsetof(BCM2838GenetRegsRdma, reg))
+#define BCM2838_GENET_RDMA_RINGS        BCM2838_GENET_RDMA_REG(rings)
+#define BCM2838_GENET_RDMA_RING_CFG     BCM2838_GENET_RDMA_REG(ring_cfg)
+#define BCM2838_GENET_RDMA_CTRL         BCM2838_GENET_RDMA_REG(ctrl)
+#define BCM2838_GENET_RDMA_STATUS       BCM2838_GENET_RDMA_REG(status)
+
+#define BCM2838_GENET_TRING_REG(reg)    offsetof(BCM2838GenetTdmaRing, reg)
+#define BCM2838_GENET_TRING_WRITE_PTR BCM2838_GENET_TRING_REG(write_ptr)
+#define BCM2838_GENET_TRING_WRITE_PTR_HI BCM2838_GENET_TRING_REG(write_ptr_hi)
+#define BCM2838_GENET_TRING_PROD_INDEX BCM2838_GENET_TRING_REG(prod_index)
+#define BCM2838_GENET_TRING_CONS_INDEX BCM2838_GENET_TRING_REG(cons_index)
+#define BCM2838_GENET_TRING_RING_BUF_SIZE BCM2838_GENET_TRING_REG(ring_buf_size)
+#define BCM2838_GENET_TRING_RING_START_ADDR BCM2838_GENET_TRING_REG(start_addr)
+#define BCM2838_GENET_TRING_RING_START_ADDR_HI BCM2838_GENET_TRING_REG(start_addr_hi)
+#define BCM2838_GENET_TRING_RING_END_ADDR BCM2838_GENET_TRING_REG(end_addr)
+#define BCM2838_GENET_TRING_RING_END_ADDR_HI BCM2838_GENET_TRING_REG(end_addr_hi)
+#define BCM2838_GENET_TRING_RING_MBUF_DONE_TRESH BCM2838_GENET_TRING_REG(mbuf_done_tresh)
+#define BCM2838_GENET_TRING_RING_FLOW_PERIOD BCM2838_GENET_TRING_REG(flow_period)
+#define BCM2838_GENET_TRING_RING_READ_PTR BCM2838_GENET_TRING_REG(read_ptr)
+#define BCM2838_GENET_TRING_RING_READ_PTR_HI BCM2838_GENET_TRING_REG(read_ptr_hi)
+
+#define BCM2838_GENET_RRING_REG(reg)    offsetof(BCM2838GenetRdmaRing, reg)
+#define BCM2838_GENET_RRING_WRITE_PTR BCM2838_GENET_RRING_REG(write_ptr)
+#define BCM2838_GENET_RRING_WRITE_PTR_HI BCM2838_GENET_RRING_REG(write_ptr_hi)
+#define BCM2838_GENET_RRING_PROD_INDEX BCM2838_GENET_RRING_REG(prod_index)
+#define BCM2838_GENET_RRING_CONS_INDEX BCM2838_GENET_RRING_REG(cons_index)
+#define BCM2838_GENET_RRING_RING_BUF_SIZE BCM2838_GENET_RRING_REG(ring_buf_size)
+#define BCM2838_GENET_RRING_RING_START_ADDR BCM2838_GENET_RRING_REG(start_addr)
+#define BCM2838_GENET_RRING_RING_START_ADDR_HI BCM2838_GENET_RRING_REG(start_addr_hi)
+#define BCM2838_GENET_RRING_RING_END_ADDR BCM2838_GENET_RRING_REG(end_addr)
+#define BCM2838_GENET_RRING_RING_END_ADDR_HI BCM2838_GENET_RRING_REG(end_addr_hi)
+#define BCM2838_GENET_RRING_RING_MBUF_DONE_TRESH BCM2838_GENET_RRING_REG(mbuf_done_tresh)
+#define BCM2838_GENET_RRING_RING_XON_XOFF_TRESH BCM2838_GENET_RRING_REG(xon_xoff_tresh)
+#define BCM2838_GENET_RRING_RING_READ_PTR BCM2838_GENET_RRING_REG(read_ptr)
+#define BCM2838_GENET_RRING_RING_READ_PTR_HI BCM2838_GENET_RRING_REG(read_ptr_hi)
+
+
+#define BCM2838_GENET_PHY_REG(reg)      (offsetof(BCM2838GenetPhyRegs, reg) / 2)
+#define BCM2838_GENET_PHY_BMCR          BCM2838_GENET_PHY_REG(bmcr)
+#define BCM2838_GENET_PHY_AUX_CTL       BCM2838_GENET_PHY_REG(aux_ctl)
+#define BCM2838_GENET_PHY_SHD           BCM2838_GENET_PHY_REG(shd)
+#define BCM2838_GENET_EXP_DATA          BCM2838_GENET_PHY_REG(exp_data)
+#define BCM2838_GENET_EXP_SEL           BCM2838_GENET_PHY_REG(exp_ctrl)
+
 #define BCM2838_GENET_PHY_AUX_CTL_MISC  0x7
 #define BCM2838_GENET_PHY_AUX_CTL_REGS_SIZE 8
 
-- 
2.47.1
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