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

   1 /*
   2  * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  *
   5  * This program is free software; you may redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  10  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  11  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  12  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  13  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  14  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  15  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  16  * SOFTWARE.
  17  *
  18  */
  19
  20 #ifndef _VNIC_DEV_H_
  21 #define _VNIC_DEV_H_
  22
  23 #include "vnic_resource.h"
  24 #include "vnic_devcmd.h"
  25
  26 #ifndef VNIC_PADDR_TARGET
  27 #define VNIC_PADDR_TARGET       0x0000000000000000ULL
  28 #endif
  29
  30 #ifndef readq
  31 static inline u64 readq(void __iomem *reg)
  32 {
  33         return (((u64)readl(reg + 0x4UL) << 32) |
  34                 (u64)readl(reg));
  35 }
  36
  37 static inline void writeq(u64 val, void __iomem *reg)
  38 {
  39         writel(val & 0xffffffff, reg);
  40         writel(val >> 32, reg + 0x4UL);
  41 }
  42 #endif
  43
  44 #undef pr_fmt
  45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  46
  47 enum vnic_dev_intr_mode {
  48         VNIC_DEV_INTR_MODE_UNKNOWN,
  49         VNIC_DEV_INTR_MODE_INTX,
  50         VNIC_DEV_INTR_MODE_MSI,
  51         VNIC_DEV_INTR_MODE_MSIX,
  52 };
  53
  54 struct vnic_dev_bar {
  55         void __iomem *vaddr;
  56         dma_addr_t bus_addr;
  57         unsigned long len;
  58 };
  59
  60 struct vnic_dev_ring {
  61         void *descs;
  62         size_t size;
  63         dma_addr_t base_addr;
  64         size_t base_align;
  65         void *descs_unaligned;
  66         size_t size_unaligned;
  67         dma_addr_t base_addr_unaligned;
  68         unsigned int desc_size;
  69         unsigned int desc_count;
  70         unsigned int desc_avail;
  71 };
  72
  73 enum vnic_proxy_type {
  74         PROXY_NONE,
  75         PROXY_BY_BDF,
  76         PROXY_BY_INDEX,
  77 };
  78
  79 struct vnic_res {
  80         void __iomem *vaddr;
  81         dma_addr_t bus_addr;
  82         unsigned int count;
  83 };
  84
  85 struct vnic_intr_coal_timer_info {
  86         u32 mul;
  87         u32 div;
  88         u32 max_usec;
  89 };
  90
  91 struct vnic_dev {
  92         void *priv;
  93         struct pci_dev *pdev;
  94         struct vnic_res res[RES_TYPE_MAX];
  95         enum vnic_dev_intr_mode intr_mode;
  96         struct vnic_devcmd __iomem *devcmd;
  97         struct vnic_devcmd_notify *notify;
  98         struct vnic_devcmd_notify notify_copy;
  99         dma_addr_t notify_pa;
 100         u32 notify_sz;
 101         dma_addr_t linkstatus_pa;
 102         struct vnic_stats *stats;
 103         dma_addr_t stats_pa;
 104         struct vnic_devcmd_fw_info *fw_info;
 105         dma_addr_t fw_info_pa;
 106         enum vnic_proxy_type proxy;
 107         u32 proxy_index;
 108         u64 args[VNIC_DEVCMD_NARGS];
 109         struct vnic_intr_coal_timer_info intr_coal_timer_info;
 110         struct devcmd2_controller *devcmd2;
 111         int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 112                           int wait);
 113 };
 114
 115 struct vnic_stats;
 116
 117 void *vnic_dev_priv(struct vnic_dev *vdev);
 118 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 119         enum vnic_res_type type);
 120 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 121         unsigned int index);
 122 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 123 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 124         unsigned int desc_count, unsigned int desc_size);
 125 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 126         struct vnic_dev_ring *ring);
 127 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 128         u64 *a0, u64 *a1, int wait);
 129 void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
 130 void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
 131 int vnic_dev_fw_info(struct vnic_dev *vdev,
 132         struct vnic_devcmd_fw_info **fw_info);
 133 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
 134         void *value);
 135 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 136 int vnic_dev_hang_notify(struct vnic_dev *vdev);
 137 int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 138         int broadcast, int promisc, int allmulti);
 139 int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr);
 140 int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr);
 141 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 142 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 143 int vnic_dev_notify_unset(struct vnic_dev *vdev);
 144 int vnic_dev_link_status(struct vnic_dev *vdev);
 145 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 146 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 147 u32 vnic_dev_mtu(struct vnic_dev *vdev);
 148 int vnic_dev_close(struct vnic_dev *vdev);
 149 int vnic_dev_enable_wait(struct vnic_dev *vdev);
 150 int vnic_dev_disable(struct vnic_dev *vdev);
 151 int vnic_dev_open(struct vnic_dev *vdev, int arg);
 152 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 153 int vnic_dev_init(struct vnic_dev *vdev, int arg);
 154 int vnic_dev_deinit(struct vnic_dev *vdev);
 155 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
 156 int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
 157 int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
 158 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 159 int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
 160 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
 161 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
 162         enum vnic_dev_intr_mode intr_mode);
 163 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
 164 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
 165 u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
 166 u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
 167 void vnic_dev_unregister(struct vnic_dev *vdev);
 168 int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
 169         u8 ig_vlan_rewrite_mode);
 170 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 171         void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
 172         unsigned int num_bars);
 173 struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev);
 174 int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
 175 int vnic_dev_enable2(struct vnic_dev *vdev, int active);
 176 int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
 177 int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
 178 int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 179 int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
 180                         struct filter *data);
 181 int vnic_devcmd_init(struct vnic_dev *vdev);
 182 int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config);
 183 int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
 184                                  u16 vxlan_udp_port_number);
 185 int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature,
 186                                        u64 *supported_versions, u64 *a1);
 187 int vnic_dev_capable_rss_hash_type(struct vnic_dev *vdev, u8 *rss_hash_type);
 188
 189 #endif /* _VNIC_DEV_H_ */