drivers/net/ethernet/cisco/enic/vnic_dev.h

   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_ */