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 #define VNIC_DESC_SIZE_ALIGN 16 35 #define VNIC_DESC_COUNT_ALIGN 32 36 #define VNIC_DESC_BASE_ALIGN 512 37 #define VNIC_DESC_MAX_COUNT 4096 38 39 enum vnic_dev_intr_mode { 40 VNIC_DEV_INTR_MODE_UNKNOWN, 41 VNIC_DEV_INTR_MODE_INTX, 42 VNIC_DEV_INTR_MODE_MSI, 43 VNIC_DEV_INTR_MODE_MSIX, 44 }; 45 46 struct vnic_dev_bar { 47 void __iomem *vaddr; 48 dma_addr_t bus_addr; 49 unsigned long len; 50 }; 51 52 struct vnic_dev_ring { 53 void *descs; 54 size_t size; 55 dma_addr_t base_addr; 56 size_t base_align; 57 void *descs_unaligned; 58 size_t size_unaligned; 59 dma_addr_t base_addr_unaligned; 60 unsigned int desc_size; 61 unsigned int desc_count; 62 unsigned int desc_avail; 63 }; 64 65 enum vnic_proxy_type { 66 PROXY_NONE, 67 PROXY_BY_BDF, 68 PROXY_BY_INDEX, 69 }; 70 71 struct vnic_res { 72 void __iomem *vaddr; 73 dma_addr_t bus_addr; 74 unsigned int count; 75 }; 76 77 struct vnic_intr_coal_timer_info { 78 u32 mul; 79 u32 div; 80 u32 max_usec; 81 }; 82 83 struct vnic_dev { 84 void *priv; 85 struct pci_dev *pdev; 86 struct vnic_res res[RES_TYPE_MAX]; 87 enum vnic_dev_intr_mode intr_mode; 88 struct vnic_devcmd __iomem *devcmd; 89 struct vnic_devcmd_notify *notify; 90 struct vnic_devcmd_notify notify_copy; 91 dma_addr_t notify_pa; 92 u32 notify_sz; 93 dma_addr_t linkstatus_pa; 94 struct vnic_stats *stats; 95 dma_addr_t stats_pa; 96 struct vnic_devcmd_fw_info *fw_info; 97 dma_addr_t fw_info_pa; 98 enum vnic_proxy_type proxy; 99 u32 proxy_index; 100 u64 args[VNIC_DEVCMD_NARGS]; 101 struct vnic_intr_coal_timer_info intr_coal_timer_info; 102 struct devcmd2_controller *devcmd2; 103 int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, 104 int wait); 105 }; 106 107 struct vnic_stats; 108 109 void *vnic_dev_priv(struct vnic_dev *vdev); 110 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, 111 enum vnic_res_type type); 112 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, 113 unsigned int index); 114 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); 115 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, 116 unsigned int desc_count, unsigned int desc_size); 117 void vnic_dev_free_desc_ring(struct vnic_dev *vdev, 118 struct vnic_dev_ring *ring); 119 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, 120 u64 *a0, u64 *a1, int wait); 121 void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index); 122 void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev); 123 int vnic_dev_fw_info(struct vnic_dev *vdev, 124 struct vnic_devcmd_fw_info **fw_info); 125 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, 126 void *value); 127 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); 128 int vnic_dev_hang_notify(struct vnic_dev *vdev); 129 int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, 130 int broadcast, int promisc, int allmulti); 131 int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr); 132 int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr); 133 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); 134 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); 135 int vnic_dev_notify_unset(struct vnic_dev *vdev); 136 int vnic_dev_link_status(struct vnic_dev *vdev); 137 u32 vnic_dev_port_speed(struct vnic_dev *vdev); 138 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); 139 u32 vnic_dev_mtu(struct vnic_dev *vdev); 140 int vnic_dev_close(struct vnic_dev *vdev); 141 int vnic_dev_enable_wait(struct vnic_dev *vdev); 142 int vnic_dev_disable(struct vnic_dev *vdev); 143 int vnic_dev_open(struct vnic_dev *vdev, int arg); 144 int vnic_dev_open_done(struct vnic_dev *vdev, int *done); 145 int vnic_dev_init(struct vnic_dev *vdev, int arg); 146 int vnic_dev_deinit(struct vnic_dev *vdev); 147 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev); 148 int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev); 149 int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg); 150 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); 151 int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done); 152 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); 153 void vnic_dev_set_intr_mode(struct vnic_dev *vdev, 154 enum vnic_dev_intr_mode intr_mode); 155 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); 156 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec); 157 u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles); 158 u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev); 159 void vnic_dev_unregister(struct vnic_dev *vdev); 160 int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, 161 u8 ig_vlan_rewrite_mode); 162 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, 163 void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar, 164 unsigned int num_bars); 165 struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev); 166 int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len); 167 int vnic_dev_enable2(struct vnic_dev *vdev, int active); 168 int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status); 169 int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status); 170 int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); 171 int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, 172 struct filter *data); 173 int vnic_devcmd_init(struct vnic_dev *vdev); 174 int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config); 175 int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay, 176 u16 vxlan_udp_port_number); 177 int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature, 178 u64 *supported_versions, u64 *a1); 179 int vnic_dev_capable_rss_hash_type(struct vnic_dev *vdev, u8 *rss_hash_type); 180 181 #endif /* _VNIC_DEV_H_ */ 182