drivers/net/enic/vnic_dev.h

   1 /*
   2  * Copyright 2008 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 enum vnic_dev_hw_version {
  45         VNIC_DEV_HW_VER_UNKNOWN,
  46         VNIC_DEV_HW_VER_A1,
  47         VNIC_DEV_HW_VER_A2,
  48 };
  49
  50 enum vnic_dev_intr_mode {
  51         VNIC_DEV_INTR_MODE_UNKNOWN,
  52         VNIC_DEV_INTR_MODE_INTX,
  53         VNIC_DEV_INTR_MODE_MSI,
  54         VNIC_DEV_INTR_MODE_MSIX,
  55 };
  56
  57 struct vnic_dev_bar {
  58         void __iomem *vaddr;
  59         dma_addr_t bus_addr;
  60         unsigned long len;
  61 };
  62
  63 struct vnic_dev_ring {
  64         void *descs;
  65         size_t size;
  66         dma_addr_t base_addr;
  67         size_t base_align;
  68         void *descs_unaligned;
  69         size_t size_unaligned;
  70         dma_addr_t base_addr_unaligned;
  71         unsigned int desc_size;
  72         unsigned int desc_count;
  73         unsigned int desc_avail;
  74 };
  75
  76 struct vnic_dev;
  77 struct vnic_stats;
  78
  79 void *vnic_dev_priv(struct vnic_dev *vdev);
  80 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
  81         enum vnic_res_type type);
  82 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
  83         unsigned int index);
  84 dma_addr_t vnic_dev_get_res_bus_addr(struct vnic_dev *vdev,
  85         enum vnic_res_type type, unsigned int index);
  86 unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
  87         unsigned int desc_count, unsigned int desc_size);
  88 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
  89 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
  90         unsigned int desc_count, unsigned int desc_size);
  91 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
  92         struct vnic_dev_ring *ring);
  93 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
  94         u64 *a0, u64 *a1, int wait);
  95 int vnic_dev_fw_info(struct vnic_dev *vdev,
  96         struct vnic_devcmd_fw_info **fw_info);
  97 int vnic_dev_hw_version(struct vnic_dev *vdev,
  98         enum vnic_dev_hw_version *hw_ver);
  99 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
 100         void *value);
 101 int vnic_dev_stats_clear(struct vnic_dev *vdev);
 102 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 103 int vnic_dev_hang_notify(struct vnic_dev *vdev);
 104 void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 105         int broadcast, int promisc, int allmulti);
 106 void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
 107 void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 108 int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 109 int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr);
 110 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 111 void vnic_dev_notify_unset(struct vnic_dev *vdev);
 112 int vnic_dev_link_status(struct vnic_dev *vdev);
 113 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 114 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 115 u32 vnic_dev_mtu(struct vnic_dev *vdev);
 116 u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
 117 u32 vnic_dev_notify_status(struct vnic_dev *vdev);
 118 int vnic_dev_close(struct vnic_dev *vdev);
 119 int vnic_dev_enable(struct vnic_dev *vdev);
 120 int vnic_dev_disable(struct vnic_dev *vdev);
 121 int vnic_dev_open(struct vnic_dev *vdev, int arg);
 122 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 123 int vnic_dev_init(struct vnic_dev *vdev, int arg);
 124 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 125 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
 126 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
 127         enum vnic_dev_intr_mode intr_mode);
 128 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
 129 void vnic_dev_unregister(struct vnic_dev *vdev);
 130 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 131         void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
 132         unsigned int num_bars);
 133
 134 #endif /* _VNIC_DEV_H_ */