1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2021 HiSilicon Ltd. */ 3 4 #ifndef HISI_ACC_VFIO_PCI_H 5 #define HISI_ACC_VFIO_PCI_H 6 7 #include <linux/hisi_acc_qm.h> 8 9 #define MB_POLL_PERIOD_US 10 10 #define MB_POLL_TIMEOUT_US 1000 11 #define QM_CACHE_WB_START 0x204 12 #define QM_CACHE_WB_DONE 0x208 13 #define QM_MB_CMD_PAUSE_QM 0xe 14 #define QM_ABNORMAL_INT_STATUS 0x100008 15 #define QM_IFC_INT_STATUS 0x0028 16 #define SEC_CORE_INT_STATUS 0x301008 17 #define HPRE_HAC_INT_STATUS 0x301800 18 #define HZIP_CORE_INT_STATUS 0x3010AC 19 20 #define QM_VFT_CFG_RDY 0x10006c 21 #define QM_VFT_CFG_OP_WR 0x100058 22 #define QM_VFT_CFG_TYPE 0x10005c 23 #define QM_VFT_CFG 0x100060 24 #define QM_VFT_CFG_OP_ENABLE 0x100054 25 #define QM_VFT_CFG_DATA_L 0x100064 26 #define QM_VFT_CFG_DATA_H 0x100068 27 28 #define ERROR_CHECK_TIMEOUT 100 29 #define CHECK_DELAY_TIME 100 30 31 #define QM_SQC_VFT_BASE_SHIFT_V2 28 32 #define QM_SQC_VFT_BASE_MASK_V2 GENMASK(15, 0) 33 #define QM_SQC_VFT_NUM_SHIFT_V2 45 34 #define QM_SQC_VFT_NUM_MASK_V2 GENMASK(9, 0) 35 #define QM_MB_CMD_NOT_READY 0xffffffff 36 37 /* RW regs */ 38 #define QM_REGS_MAX_LEN 7 39 #define QM_REG_ADDR_OFFSET 0x0004 40 41 #define QM_XQC_ADDR_OFFSET 32U 42 #define QM_VF_AEQ_INT_MASK 0x0004 43 #define QM_VF_EQ_INT_MASK 0x000c 44 #define QM_IFC_INT_SOURCE_V 0x0020 45 #define QM_IFC_INT_MASK 0x0024 46 #define QM_IFC_INT_SET_V 0x002c 47 #define QM_QUE_ISO_CFG_V 0x0030 48 #define QM_PAGE_SIZE 0x0034 49 50 #define QM_EQC_DW0 0X8000 51 #define QM_AEQC_DW0 0X8020 52 53 struct acc_vf_data { 54 #define QM_MATCH_SIZE offsetofend(struct acc_vf_data, qm_rsv_state) 55 /* QM match information */ 56 #define ACC_DEV_MAGIC 0XCDCDCDCDFEEDAACC 57 u64 acc_magic; 58 u32 qp_num; 59 u32 dev_id; 60 u32 que_iso_cfg; 61 u32 qp_base; 62 u32 vf_qm_state; 63 /* QM reserved match information */ 64 u32 qm_rsv_state[3]; 65 66 /* QM RW regs */ 67 u32 aeq_int_mask; 68 u32 eq_int_mask; 69 u32 ifc_int_source; 70 u32 ifc_int_mask; 71 u32 ifc_int_set; 72 u32 page_size; 73 74 /* QM_EQC_DW has 7 regs */ 75 u32 qm_eqc_dw[7]; 76 77 /* QM_AEQC_DW has 7 regs */ 78 u32 qm_aeqc_dw[7]; 79 80 /* QM reserved 5 regs */ 81 u32 qm_rsv_regs[5]; 82 u32 padding; 83 /* QM memory init information */ 84 u64 eqe_dma; 85 u64 aeqe_dma; 86 u64 sqc_dma; 87 u64 cqc_dma; 88 }; 89 90 struct hisi_acc_vf_migration_file { 91 struct file *filp; 92 struct mutex lock; 93 bool disabled; 94 95 struct hisi_acc_vf_core_device *hisi_acc_vdev; 96 struct acc_vf_data vf_data; 97 size_t total_length; 98 }; 99 100 struct hisi_acc_vf_core_device { 101 struct vfio_pci_core_device core_device; 102 u8 match_done; 103 /* 104 * io_base is only valid when dev_opened is true, 105 * which is protected by open_mutex. 106 */ 107 bool dev_opened; 108 /* Ensure the accuracy of dev_opened operation */ 109 struct mutex open_mutex; 110 111 /* For migration state */ 112 struct mutex state_mutex; 113 enum vfio_device_mig_state mig_state; 114 struct pci_dev *pf_dev; 115 struct pci_dev *vf_dev; 116 struct hisi_qm *pf_qm; 117 struct hisi_qm vf_qm; 118 /* 119 * vf_qm_state represents the QM_VF_STATE register value. 120 * It is set by Guest driver for the ACC VF dev indicating 121 * the driver has loaded and configured the dev correctly. 122 */ 123 u32 vf_qm_state; 124 int vf_id; 125 struct hisi_acc_vf_migration_file *resuming_migf; 126 struct hisi_acc_vf_migration_file *saving_migf; 127 128 /* 129 * It holds migration data corresponding to the last migration 130 * and is used by the debugfs interface to report it. 131 */ 132 struct hisi_acc_vf_migration_file *debug_migf; 133 }; 134 #endif /* HISI_ACC_VFIO_PCI_H */ 135