/* * Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * */ #ifndef HINIC_HW_IF_H #define HINIC_HW_IF_H #include #include #include #include #define HINIC_DMA_ATTR_ST_SHIFT 0 #define HINIC_DMA_ATTR_AT_SHIFT 8 #define HINIC_DMA_ATTR_PH_SHIFT 10 #define HINIC_DMA_ATTR_NO_SNOOPING_SHIFT 12 #define HINIC_DMA_ATTR_TPH_EN_SHIFT 13 #define HINIC_DMA_ATTR_ST_MASK 0xFF #define HINIC_DMA_ATTR_AT_MASK 0x3 #define HINIC_DMA_ATTR_PH_MASK 0x3 #define HINIC_DMA_ATTR_NO_SNOOPING_MASK 0x1 #define HINIC_DMA_ATTR_TPH_EN_MASK 0x1 #define HINIC_DMA_ATTR_SET(val, member) \ (((u32)(val) & HINIC_DMA_ATTR_##member##_MASK) << \ HINIC_DMA_ATTR_##member##_SHIFT) #define HINIC_DMA_ATTR_CLEAR(val, member) \ ((val) & (~(HINIC_DMA_ATTR_##member##_MASK \ << HINIC_DMA_ATTR_##member##_SHIFT))) #define HINIC_FA0_FUNC_IDX_SHIFT 0 #define HINIC_FA0_PF_IDX_SHIFT 10 #define HINIC_FA0_PCI_INTF_IDX_SHIFT 14 /* reserved members - off 16 */ #define HINIC_FA0_FUNC_TYPE_SHIFT 24 #define HINIC_FA0_FUNC_IDX_MASK 0x3FF #define HINIC_FA0_PF_IDX_MASK 0xF #define HINIC_FA0_PCI_INTF_IDX_MASK 0x3 #define HINIC_FA0_FUNC_TYPE_MASK 0x1 #define HINIC_FA0_GET(val, member) \ (((val) >> HINIC_FA0_##member##_SHIFT) & HINIC_FA0_##member##_MASK) #define HINIC_FA1_AEQS_PER_FUNC_SHIFT 8 /* reserved members - off 10 */ #define HINIC_FA1_CEQS_PER_FUNC_SHIFT 12 /* reserved members - off 15 */ #define HINIC_FA1_IRQS_PER_FUNC_SHIFT 20 #define HINIC_FA1_DMA_ATTR_PER_FUNC_SHIFT 24 /* reserved members - off 27 */ #define HINIC_FA1_INIT_STATUS_SHIFT 30 #define HINIC_FA1_AEQS_PER_FUNC_MASK 0x3 #define HINIC_FA1_CEQS_PER_FUNC_MASK 0x7 #define HINIC_FA1_IRQS_PER_FUNC_MASK 0xF #define HINIC_FA1_DMA_ATTR_PER_FUNC_MASK 0x7 #define HINIC_FA1_INIT_STATUS_MASK 0x1 #define HINIC_FA1_GET(val, member) \ (((val) >> HINIC_FA1_##member##_SHIFT) & HINIC_FA1_##member##_MASK) #define HINIC_FA4_OUTBOUND_STATE_SHIFT 0 #define HINIC_FA4_DB_STATE_SHIFT 1 #define HINIC_FA4_OUTBOUND_STATE_MASK 0x1 #define HINIC_FA4_DB_STATE_MASK 0x1 #define HINIC_FA4_GET(val, member) \ (((val) >> HINIC_FA4_##member##_SHIFT) & HINIC_FA4_##member##_MASK) #define HINIC_FA4_SET(val, member) \ ((((u32)val) & HINIC_FA4_##member##_MASK) << HINIC_FA4_##member##_SHIFT) #define HINIC_FA4_CLEAR(val, member) \ ((val) & (~(HINIC_FA4_##member##_MASK << HINIC_FA4_##member##_SHIFT))) #define HINIC_FA5_PF_ACTION_SHIFT 0 #define HINIC_FA5_PF_ACTION_MASK 0xFFFF #define HINIC_FA5_SET(val, member) \ (((u32)(val) & HINIC_FA5_##member##_MASK) << HINIC_FA5_##member##_SHIFT) #define HINIC_FA5_CLEAR(val, member) \ ((val) & (~(HINIC_FA5_##member##_MASK << HINIC_FA5_##member##_SHIFT))) #define HINIC_PPF_ELECTION_IDX_SHIFT 0 #define HINIC_PPF_ELECTION_IDX_MASK 0x1F #define HINIC_PPF_ELECTION_SET(val, member) \ (((u32)(val) & HINIC_PPF_ELECTION_##member##_MASK) << \ HINIC_PPF_ELECTION_##member##_SHIFT) #define HINIC_PPF_ELECTION_GET(val, member) \ (((val) >> HINIC_PPF_ELECTION_##member##_SHIFT) & \ HINIC_PPF_ELECTION_##member##_MASK) #define HINIC_PPF_ELECTION_CLEAR(val, member) \ ((val) & (~(HINIC_PPF_ELECTION_##member##_MASK \ << HINIC_PPF_ELECTION_##member##_SHIFT))) #define HINIC_MSIX_PENDING_LIMIT_SHIFT 0 #define HINIC_MSIX_COALESC_TIMER_SHIFT 8 #define HINIC_MSIX_LLI_TIMER_SHIFT 16 #define HINIC_MSIX_LLI_CREDIT_SHIFT 24 #define HINIC_MSIX_RESEND_TIMER_SHIFT 29 #define HINIC_MSIX_PENDING_LIMIT_MASK 0xFF #define HINIC_MSIX_COALESC_TIMER_MASK 0xFF #define HINIC_MSIX_LLI_TIMER_MASK 0xFF #define HINIC_MSIX_LLI_CREDIT_MASK 0x1F #define HINIC_MSIX_RESEND_TIMER_MASK 0x7 #define HINIC_MSIX_ATTR_SET(val, member) \ (((u32)(val) & HINIC_MSIX_##member##_MASK) << \ HINIC_MSIX_##member##_SHIFT) #define HINIC_MSIX_ATTR_GET(val, member) \ (((val) >> HINIC_MSIX_##member##_SHIFT) & \ HINIC_MSIX_##member##_MASK) #define HINIC_MSIX_CNT_RESEND_TIMER_SHIFT 29 #define HINIC_MSIX_CNT_RESEND_TIMER_MASK 0x1 #define HINIC_MSIX_CNT_SET(val, member) \ (((u32)(val) & HINIC_MSIX_CNT_##member##_MASK) << \ HINIC_MSIX_CNT_##member##_SHIFT) #define HINIC_HWIF_NUM_AEQS(hwif) ((hwif)->attr.num_aeqs) #define HINIC_HWIF_NUM_CEQS(hwif) ((hwif)->attr.num_ceqs) #define HINIC_HWIF_NUM_IRQS(hwif) ((hwif)->attr.num_irqs) #define HINIC_HWIF_FUNC_IDX(hwif) ((hwif)->attr.func_idx) #define HINIC_HWIF_PCI_INTF(hwif) ((hwif)->attr.pci_intf_idx) #define HINIC_HWIF_PF_IDX(hwif) ((hwif)->attr.pf_idx) #define HINIC_HWIF_PPF_IDX(hwif) ((hwif)->attr.ppf_idx) #define HINIC_FUNC_TYPE(hwif) ((hwif)->attr.func_type) #define HINIC_IS_PF(hwif) (HINIC_FUNC_TYPE(hwif) == HINIC_PF) #define HINIC_IS_PPF(hwif) (HINIC_FUNC_TYPE(hwif) == HINIC_PPF) #define HINIC_PCI_CFG_REGS_BAR 0 #define HINIC_PCI_DB_BAR 4 #define HINIC_PCIE_ST_DISABLE 0 #define HINIC_PCIE_AT_DISABLE 0 #define HINIC_PCIE_PH_DISABLE 0 #define HINIC_EQ_MSIX_PENDING_LIMIT_DEFAULT 0 /* Disabled */ #define HINIC_EQ_MSIX_COALESC_TIMER_DEFAULT 0xFF /* max */ #define HINIC_EQ_MSIX_LLI_TIMER_DEFAULT 0 /* Disabled */ #define HINIC_EQ_MSIX_LLI_CREDIT_LIMIT_DEFAULT 0 /* Disabled */ #define HINIC_EQ_MSIX_RESEND_TIMER_DEFAULT 7 /* max */ enum hinic_pcie_nosnoop { HINIC_PCIE_SNOOP = 0, HINIC_PCIE_NO_SNOOP = 1, }; enum hinic_pcie_tph { HINIC_PCIE_TPH_DISABLE = 0, HINIC_PCIE_TPH_ENABLE = 1, }; enum hinic_func_type { HINIC_PF = 0, HINIC_PPF = 2, }; enum hinic_mod_type { HINIC_MOD_COMM = 0, /* HW communication module */ HINIC_MOD_L2NIC = 1, /* L2NIC module */ HINIC_MOD_CFGM = 7, /* Configuration module */ HINIC_MOD_MAX = 15 }; enum hinic_node_id { HINIC_NODE_ID_MGMT = 21, }; enum hinic_pf_action { HINIC_PF_MGMT_INIT = 0x0, HINIC_PF_MGMT_ACTIVE = 0x11, }; enum hinic_outbound_state { HINIC_OUTBOUND_ENABLE = 0, HINIC_OUTBOUND_DISABLE = 1, }; enum hinic_db_state { HINIC_DB_ENABLE = 0, HINIC_DB_DISABLE = 1, }; struct hinic_func_attr { u16 func_idx; u8 pf_idx; u8 pci_intf_idx; enum hinic_func_type func_type; u8 ppf_idx; u16 num_irqs; u8 num_aeqs; u8 num_ceqs; u8 num_dma_attr; }; struct hinic_hwif { struct pci_dev *pdev; void __iomem *cfg_regs_bar; struct hinic_func_attr attr; }; static inline u32 hinic_hwif_read_reg(struct hinic_hwif *hwif, u32 reg) { return be32_to_cpu(readl(hwif->cfg_regs_bar + reg)); } static inline void hinic_hwif_write_reg(struct hinic_hwif *hwif, u32 reg, u32 val) { writel(cpu_to_be32(val), hwif->cfg_regs_bar + reg); } int hinic_msix_attr_set(struct hinic_hwif *hwif, u16 msix_index, u8 pending_limit, u8 coalesc_timer, u8 lli_timer_cfg, u8 lli_credit_limit, u8 resend_timer); int hinic_msix_attr_get(struct hinic_hwif *hwif, u16 msix_index, u8 *pending_limit, u8 *coalesc_timer_cfg, u8 *lli_timer, u8 *lli_credit_limit, u8 *resend_timer); int hinic_msix_attr_cnt_clear(struct hinic_hwif *hwif, u16 msix_index); void hinic_set_pf_action(struct hinic_hwif *hwif, enum hinic_pf_action action); enum hinic_outbound_state hinic_outbound_state_get(struct hinic_hwif *hwif); void hinic_outbound_state_set(struct hinic_hwif *hwif, enum hinic_outbound_state outbound_state); enum hinic_db_state hinic_db_state_get(struct hinic_hwif *hwif); void hinic_db_state_set(struct hinic_hwif *hwif, enum hinic_db_state db_state); int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev); void hinic_free_hwif(struct hinic_hwif *hwif); #endif