1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. 4 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 5 */ 6 7 #ifndef _VNIC_DEV_H_ 8 #define _VNIC_DEV_H_ 9 10 #include "vnic_resource.h" 11 #include "vnic_devcmd.h" 12 13 #ifndef VNIC_PADDR_TARGET 14 #define VNIC_PADDR_TARGET 0x0000000000000000ULL 15 #endif 16 17 #ifndef readq 18 static inline u64 readq(void __iomem *reg) 19 { 20 return (((u64)readl(reg + 0x4UL) << 32) | 21 (u64)readl(reg)); 22 } 23 24 static inline void writeq(u64 val, void __iomem *reg) 25 { 26 writel(val & 0xffffffff, reg); 27 writel(val >> 32, reg + 0x4UL); 28 } 29 #endif 30 31 #undef pr_fmt 32 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 33 34 enum vnic_dev_intr_mode { 35 VNIC_DEV_INTR_MODE_UNKNOWN, 36 VNIC_DEV_INTR_MODE_INTX, 37 VNIC_DEV_INTR_MODE_MSI, 38 VNIC_DEV_INTR_MODE_MSIX, 39 }; 40 41 struct vnic_dev_bar { 42 void __iomem *vaddr; 43 dma_addr_t bus_addr; 44 unsigned long len; 45 }; 46 47 struct vnic_dev_ring { 48 void *descs; 49 size_t size; 50 dma_addr_t base_addr; 51 size_t base_align; 52 void *descs_unaligned; 53 size_t size_unaligned; 54 dma_addr_t base_addr_unaligned; 55 unsigned int desc_size; 56 unsigned int desc_count; 57 unsigned int desc_avail; 58 }; 59 60 enum vnic_proxy_type { 61 PROXY_NONE, 62 PROXY_BY_BDF, 63 PROXY_BY_INDEX, 64 }; 65 66 struct vnic_res { 67 void __iomem *vaddr; 68 dma_addr_t bus_addr; 69 unsigned int count; 70 }; 71 72 struct vnic_intr_coal_timer_info { 73 u32 mul; 74 u32 div; 75 u32 max_usec; 76 }; 77 78 struct vnic_dev { 79 void *priv; 80 struct pci_dev *pdev; 81 struct vnic_res res[RES_TYPE_MAX]; 82 enum vnic_dev_intr_mode intr_mode; 83 struct vnic_devcmd __iomem *devcmd; 84 struct vnic_devcmd_notify *notify; 85 struct vnic_devcmd_notify notify_copy; 86 dma_addr_t notify_pa; 87 u32 notify_sz; 88 dma_addr_t linkstatus_pa; 89 struct vnic_stats *stats; 90 dma_addr_t stats_pa; 91 struct vnic_devcmd_fw_info *fw_info; 92 dma_addr_t fw_info_pa; 93 enum vnic_proxy_type proxy; 94 u32 proxy_index; 95 u64 args[VNIC_DEVCMD_NARGS]; 96 struct vnic_intr_coal_timer_info intr_coal_timer_info; 97 struct devcmd2_controller *devcmd2; 98 int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, 99 int wait); 100 }; 101 102 struct vnic_stats; 103 104 void *vnic_dev_priv(struct vnic_dev *vdev); 105 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, 106 enum vnic_res_type type); 107 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, 108 unsigned int index); 109 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); 110 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, 111 unsigned int desc_count, unsigned int desc_size); 112 void vnic_dev_free_desc_ring(struct vnic_dev *vdev, 113 struct vnic_dev_ring *ring); 114 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, 115 u64 *a0, u64 *a1, int wait); 116 void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index); 117 void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev); 118 int vnic_dev_fw_info(struct vnic_dev *vdev, 119 struct vnic_devcmd_fw_info **fw_info); 120 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, 121 void *value); 122 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); 123 int vnic_dev_hang_notify(struct vnic_dev *vdev); 124 int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, 125 int broadcast, int promisc, int allmulti); 126 int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr); 127 int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr); 128 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); 129 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); 130 int vnic_dev_notify_unset(struct vnic_dev *vdev); 131 int vnic_dev_link_status(struct vnic_dev *vdev); 132 u32 vnic_dev_port_speed(struct vnic_dev *vdev); 133 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); 134 u32 vnic_dev_mtu(struct vnic_dev *vdev); 135 int vnic_dev_close(struct vnic_dev *vdev); 136 int vnic_dev_enable_wait(struct vnic_dev *vdev); 137 int vnic_dev_disable(struct vnic_dev *vdev); 138 int vnic_dev_open(struct vnic_dev *vdev, int arg); 139 int vnic_dev_open_done(struct vnic_dev *vdev, int *done); 140 int vnic_dev_init(struct vnic_dev *vdev, int arg); 141 int vnic_dev_deinit(struct vnic_dev *vdev); 142 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev); 143 int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev); 144 int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg); 145 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); 146 int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done); 147 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); 148 void vnic_dev_set_intr_mode(struct vnic_dev *vdev, 149 enum vnic_dev_intr_mode intr_mode); 150 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); 151 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec); 152 u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles); 153 u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev); 154 void vnic_dev_unregister(struct vnic_dev *vdev); 155 int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, 156 u8 ig_vlan_rewrite_mode); 157 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, 158 void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar, 159 unsigned int num_bars); 160 struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev); 161 int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len); 162 int vnic_dev_enable2(struct vnic_dev *vdev, int active); 163 int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status); 164 int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status); 165 int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); 166 int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, 167 struct filter *data); 168 int vnic_devcmd_init(struct vnic_dev *vdev); 169 int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config); 170 int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay, 171 u16 vxlan_udp_port_number); 172 int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature, 173 u64 *supported_versions, u64 *a1); 174 int vnic_dev_capable_rss_hash_type(struct vnic_dev *vdev, u8 *rss_hash_type); 175 176 #endif /* _VNIC_DEV_H_ */ 177