1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h
new file mode 100644
index 0000000000..dcabfeec6c
--- /dev/null
+++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 HiSilicon Ltd. */
+
+#ifndef HISI_ACC_VFIO_PCI_H
+#define HISI_ACC_VFIO_PCI_H
+
+#include <linux/hisi_acc_qm.h>
+
+#define MB_POLL_PERIOD_US		10
+#define MB_POLL_TIMEOUT_US		1000
+#define QM_CACHE_WB_START		0x204
+#define QM_CACHE_WB_DONE		0x208
+#define QM_MB_CMD_PAUSE_QM		0xe
+#define QM_ABNORMAL_INT_STATUS		0x100008
+#define QM_IFC_INT_STATUS		0x0028
+#define SEC_CORE_INT_STATUS		0x301008
+#define HPRE_HAC_INT_STATUS		0x301800
+#define HZIP_CORE_INT_STATUS		0x3010AC
+
+#define QM_VFT_CFG_RDY			0x10006c
+#define QM_VFT_CFG_OP_WR		0x100058
+#define QM_VFT_CFG_TYPE			0x10005c
+#define QM_VFT_CFG			0x100060
+#define QM_VFT_CFG_OP_ENABLE		0x100054
+#define QM_VFT_CFG_DATA_L		0x100064
+#define QM_VFT_CFG_DATA_H		0x100068
+
+#define ERROR_CHECK_TIMEOUT		100
+#define CHECK_DELAY_TIME		100
+
+#define QM_SQC_VFT_BASE_SHIFT_V2	28
+#define QM_SQC_VFT_BASE_MASK_V2		GENMASK(15, 0)
+#define QM_SQC_VFT_NUM_SHIFT_V2		45
+#define QM_SQC_VFT_NUM_MASK_V2		GENMASK(9, 0)
+
+/* RW regs */
+#define QM_REGS_MAX_LEN		7
+#define QM_REG_ADDR_OFFSET	0x0004
+
+#define QM_XQC_ADDR_OFFSET	32U
+#define QM_VF_AEQ_INT_MASK	0x0004
+#define QM_VF_EQ_INT_MASK	0x000c
+#define QM_IFC_INT_SOURCE_V	0x0020
+#define QM_IFC_INT_MASK		0x0024
+#define QM_IFC_INT_SET_V	0x002c
+#define QM_QUE_ISO_CFG_V	0x0030
+#define QM_PAGE_SIZE		0x0034
+
+#define QM_EQC_DW0		0X8000
+#define QM_AEQC_DW0		0X8020
+
+struct acc_vf_data {
+#define QM_MATCH_SIZE offsetofend(struct acc_vf_data, qm_rsv_state)
+	/* QM match information */
+#define ACC_DEV_MAGIC	0XCDCDCDCDFEEDAACC
+	u64 acc_magic;
+	u32 qp_num;
+	u32 dev_id;
+	u32 que_iso_cfg;
+	u32 qp_base;
+	u32 vf_qm_state;
+	/* QM reserved match information */
+	u32 qm_rsv_state[3];
+
+	/* QM RW regs */
+	u32 aeq_int_mask;
+	u32 eq_int_mask;
+	u32 ifc_int_source;
+	u32 ifc_int_mask;
+	u32 ifc_int_set;
+	u32 page_size;
+
+	/* QM_EQC_DW has 7 regs */
+	u32 qm_eqc_dw[7];
+
+	/* QM_AEQC_DW has 7 regs */
+	u32 qm_aeqc_dw[7];
+
+	/* QM reserved 5 regs */
+	u32 qm_rsv_regs[5];
+	u32 padding;
+	/* QM memory init information */
+	u64 eqe_dma;
+	u64 aeqe_dma;
+	u64 sqc_dma;
+	u64 cqc_dma;
+};
+
+struct hisi_acc_vf_migration_file {
+	struct file *filp;
+	struct mutex lock;
+	bool disabled;
+
+	struct hisi_acc_vf_core_device *hisi_acc_vdev;
+	struct acc_vf_data vf_data;
+	size_t total_length;
+};
+
+struct hisi_acc_vf_core_device {
+	struct vfio_pci_core_device core_device;
+	u8 match_done:1;
+	u8 deferred_reset:1;
+	/* For migration state */
+	struct mutex state_mutex;
+	enum vfio_device_mig_state mig_state;
+	struct pci_dev *pf_dev;
+	struct pci_dev *vf_dev;
+	struct hisi_qm *pf_qm;
+	struct hisi_qm vf_qm;
+	u32 vf_qm_state;
+	int vf_id;
+	/* For reset handler */
+	spinlock_t reset_lock;
+	struct hisi_acc_vf_migration_file *resuming_migf;
+	struct hisi_acc_vf_migration_file *saving_migf;
+};
+#endif /* HISI_ACC_VFIO_PCI_H */