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