1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c
new file mode 100644
index 000000000000..197ab733306b
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2023 Hisilicon Limited.
+
+#include "hclgevf_main.h"
+#include "hclgevf_regs.h"
+#include "hnae3.h"
+
+static const u32 cmdq_reg_addr_list[] = {HCLGE_COMM_NIC_CSQ_BASEADDR_L_REG,
+					 HCLGE_COMM_NIC_CSQ_BASEADDR_H_REG,
+					 HCLGE_COMM_NIC_CSQ_DEPTH_REG,
+					 HCLGE_COMM_NIC_CSQ_TAIL_REG,
+					 HCLGE_COMM_NIC_CSQ_HEAD_REG,
+					 HCLGE_COMM_NIC_CRQ_BASEADDR_L_REG,
+					 HCLGE_COMM_NIC_CRQ_BASEADDR_H_REG,
+					 HCLGE_COMM_NIC_CRQ_DEPTH_REG,
+					 HCLGE_COMM_NIC_CRQ_TAIL_REG,
+					 HCLGE_COMM_NIC_CRQ_HEAD_REG,
+					 HCLGE_COMM_VECTOR0_CMDQ_SRC_REG,
+					 HCLGE_COMM_VECTOR0_CMDQ_STATE_REG,
+					 HCLGE_COMM_CMDQ_INTR_EN_REG,
+					 HCLGE_COMM_CMDQ_INTR_GEN_REG};
+
+static const u32 common_reg_addr_list[] = {HCLGEVF_MISC_VECTOR_REG_BASE,
+					   HCLGEVF_RST_ING,
+					   HCLGEVF_GRO_EN_REG};
+
+static const u32 ring_reg_addr_list[] = {HCLGEVF_RING_RX_ADDR_L_REG,
+					 HCLGEVF_RING_RX_ADDR_H_REG,
+					 HCLGEVF_RING_RX_BD_NUM_REG,
+					 HCLGEVF_RING_RX_BD_LENGTH_REG,
+					 HCLGEVF_RING_RX_MERGE_EN_REG,
+					 HCLGEVF_RING_RX_TAIL_REG,
+					 HCLGEVF_RING_RX_HEAD_REG,
+					 HCLGEVF_RING_RX_FBD_NUM_REG,
+					 HCLGEVF_RING_RX_OFFSET_REG,
+					 HCLGEVF_RING_RX_FBD_OFFSET_REG,
+					 HCLGEVF_RING_RX_STASH_REG,
+					 HCLGEVF_RING_RX_BD_ERR_REG,
+					 HCLGEVF_RING_TX_ADDR_L_REG,
+					 HCLGEVF_RING_TX_ADDR_H_REG,
+					 HCLGEVF_RING_TX_BD_NUM_REG,
+					 HCLGEVF_RING_TX_PRIORITY_REG,
+					 HCLGEVF_RING_TX_TC_REG,
+					 HCLGEVF_RING_TX_MERGE_EN_REG,
+					 HCLGEVF_RING_TX_TAIL_REG,
+					 HCLGEVF_RING_TX_HEAD_REG,
+					 HCLGEVF_RING_TX_FBD_NUM_REG,
+					 HCLGEVF_RING_TX_OFFSET_REG,
+					 HCLGEVF_RING_TX_EBD_NUM_REG,
+					 HCLGEVF_RING_TX_EBD_OFFSET_REG,
+					 HCLGEVF_RING_TX_BD_ERR_REG,
+					 HCLGEVF_RING_EN_REG};
+
+static const u32 tqp_intr_reg_addr_list[] = {HCLGEVF_TQP_INTR_CTRL_REG,
+					     HCLGEVF_TQP_INTR_GL0_REG,
+					     HCLGEVF_TQP_INTR_GL1_REG,
+					     HCLGEVF_TQP_INTR_GL2_REG,
+					     HCLGEVF_TQP_INTR_RL_REG};
+
+#define MAX_SEPARATE_NUM	4
+#define SEPARATOR_VALUE		0xFDFCFBFA
+#define REG_NUM_PER_LINE	4
+#define REG_LEN_PER_LINE	(REG_NUM_PER_LINE * sizeof(u32))
+
+int hclgevf_get_regs_len(struct hnae3_handle *handle)
+{
+	int cmdq_lines, common_lines, ring_lines, tqp_intr_lines;
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	cmdq_lines = sizeof(cmdq_reg_addr_list) / REG_LEN_PER_LINE + 1;
+	common_lines = sizeof(common_reg_addr_list) / REG_LEN_PER_LINE + 1;
+	ring_lines = sizeof(ring_reg_addr_list) / REG_LEN_PER_LINE + 1;
+	tqp_intr_lines = sizeof(tqp_intr_reg_addr_list) / REG_LEN_PER_LINE + 1;
+
+	return (cmdq_lines + common_lines + ring_lines * hdev->num_tqps +
+		tqp_intr_lines * (hdev->num_msi_used - 1)) * REG_LEN_PER_LINE;
+}
+
+void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version,
+		      void *data)
+{
+#define HCLGEVF_RING_REG_OFFSET		0x200
+#define HCLGEVF_RING_INT_REG_OFFSET	0x4
+
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int i, j, reg_um, separator_num;
+	u32 *reg = data;
+
+	*version = hdev->fw_version;
+
+	/* fetching per-VF registers values from VF PCIe register space */
+	reg_um = sizeof(cmdq_reg_addr_list) / sizeof(u32);
+	separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+	for (i = 0; i < reg_um; i++)
+		*reg++ = hclgevf_read_dev(&hdev->hw, cmdq_reg_addr_list[i]);
+	for (i = 0; i < separator_num; i++)
+		*reg++ = SEPARATOR_VALUE;
+
+	reg_um = sizeof(common_reg_addr_list) / sizeof(u32);
+	separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+	for (i = 0; i < reg_um; i++)
+		*reg++ = hclgevf_read_dev(&hdev->hw, common_reg_addr_list[i]);
+	for (i = 0; i < separator_num; i++)
+		*reg++ = SEPARATOR_VALUE;
+
+	reg_um = sizeof(ring_reg_addr_list) / sizeof(u32);
+	separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+	for (j = 0; j < hdev->num_tqps; j++) {
+		for (i = 0; i < reg_um; i++)
+			*reg++ = hclgevf_read_dev(&hdev->hw,
+						  ring_reg_addr_list[i] +
+						  HCLGEVF_RING_REG_OFFSET * j);
+		for (i = 0; i < separator_num; i++)
+			*reg++ = SEPARATOR_VALUE;
+	}
+
+	reg_um = sizeof(tqp_intr_reg_addr_list) / sizeof(u32);
+	separator_num = MAX_SEPARATE_NUM - reg_um % REG_NUM_PER_LINE;
+	for (j = 0; j < hdev->num_msi_used - 1; j++) {
+		for (i = 0; i < reg_um; i++)
+			*reg++ = hclgevf_read_dev(&hdev->hw,
+						  tqp_intr_reg_addr_list[i] +
+						  HCLGEVF_RING_INT_REG_OFFSET * j);
+		for (i = 0; i < separator_num; i++)
+			*reg++ = SEPARATOR_VALUE;
+	}
+}