drivers/scsi/fnic/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 #ifndef _VNIC_DEV_H_
  19 #define _VNIC_DEV_H_
  20
  21 #include "vnic_resource.h"
  22 #include "vnic_devcmd.h"
  23
  24 /*
  25  * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
  26  * Driver) when both are built with CONFIG options =y
  27  */
  28 #define vnic_dev_priv fnic_dev_priv
  29 #define vnic_dev_get_res_count fnic_dev_get_res_count
  30 #define vnic_dev_get_res fnic_dev_get_res
  31 #define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
  32 #define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
  33 #define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
  34 #define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
  35 #define vnic_dev_cmd fnic_dev_cmd
  36 #define vnic_dev_fw_info fnic_dev_fw_info
  37 #define vnic_dev_spec fnic_dev_spec
  38 #define vnic_dev_stats_clear fnic_dev_stats_clear
  39 #define vnic_dev_stats_dump fnic_dev_stats_dump
  40 #define vnic_dev_hang_notify fnic_dev_hang_notify
  41 #define vnic_dev_packet_filter fnic_dev_packet_filter
  42 #define vnic_dev_add_addr fnic_dev_add_addr
  43 #define vnic_dev_del_addr fnic_dev_del_addr
  44 #define vnic_dev_mac_addr fnic_dev_mac_addr
  45 #define vnic_dev_notify_set fnic_dev_notify_set
  46 #define vnic_dev_notify_unset fnic_dev_notify_unset
  47 #define vnic_dev_link_status fnic_dev_link_status
  48 #define vnic_dev_port_speed fnic_dev_port_speed
  49 #define vnic_dev_msg_lvl fnic_dev_msg_lvl
  50 #define vnic_dev_mtu fnic_dev_mtu
  51 #define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
  52 #define vnic_dev_close fnic_dev_close
  53 #define vnic_dev_enable fnic_dev_enable
  54 #define vnic_dev_disable fnic_dev_disable
  55 #define vnic_dev_open fnic_dev_open
  56 #define vnic_dev_open_done fnic_dev_open_done
  57 #define vnic_dev_init fnic_dev_init
  58 #define vnic_dev_soft_reset fnic_dev_soft_reset
  59 #define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
  60 #define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
  61 #define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
  62 #define vnic_dev_unregister fnic_dev_unregister
  63 #define vnic_dev_register fnic_dev_register
  64
  65 #ifndef VNIC_PADDR_TARGET
  66 #define VNIC_PADDR_TARGET       0x0000000000000000ULL
  67 #endif
  68
  69 #ifndef readq
  70 static inline u64 readq(void __iomem *reg)
  71 {
  72         return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
  73 }
  74
  75 static inline void writeq(u64 val, void __iomem *reg)
  76 {
  77         writel(val & 0xffffffff, reg);
  78         writel(val >> 32, reg + 0x4UL);
  79 }
  80 #endif
  81
  82 enum vnic_dev_intr_mode {
  83         VNIC_DEV_INTR_MODE_UNKNOWN,
  84         VNIC_DEV_INTR_MODE_INTX,
  85         VNIC_DEV_INTR_MODE_MSI,
  86         VNIC_DEV_INTR_MODE_MSIX,
  87 };
  88
  89 struct vnic_dev_bar {
  90         void __iomem *vaddr;
  91         dma_addr_t bus_addr;
  92         unsigned long len;
  93 };
  94
  95 struct vnic_dev_ring {
  96         void *descs;
  97         size_t size;
  98         dma_addr_t base_addr;
  99         size_t base_align;
 100         void *descs_unaligned;
 101         size_t size_unaligned;
 102         dma_addr_t base_addr_unaligned;
 103         unsigned int desc_size;
 104         unsigned int desc_count;
 105         unsigned int desc_avail;
 106 };
 107
 108 struct vnic_dev;
 109 struct vnic_stats;
 110
 111 void *vnic_dev_priv(struct vnic_dev *vdev);
 112 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 113                                     enum vnic_res_type type);
 114 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 115                                unsigned int index);
 116 unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
 117                                      unsigned int desc_count,
 118                                      unsigned int desc_size);
 119 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 120 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 121                              unsigned int desc_count, unsigned int desc_size);
 122 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 123                              struct vnic_dev_ring *ring);
 124 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 125                  u64 *a0, u64 *a1, int wait);
 126 int vnic_dev_fw_info(struct vnic_dev *vdev,
 127                      struct vnic_devcmd_fw_info **fw_info);
 128 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
 129                   unsigned int size, void *value);
 130 int vnic_dev_stats_clear(struct vnic_dev *vdev);
 131 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 132 int vnic_dev_hang_notify(struct vnic_dev *vdev);
 133 void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 134                             int broadcast, int promisc, int allmulti);
 135 void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
 136 void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 137 int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 138 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 139 void vnic_dev_notify_unset(struct vnic_dev *vdev);
 140 int vnic_dev_link_status(struct vnic_dev *vdev);
 141 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 142 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 143 u32 vnic_dev_mtu(struct vnic_dev *vdev);
 144 u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
 145 int vnic_dev_close(struct vnic_dev *vdev);
 146 int vnic_dev_enable(struct vnic_dev *vdev);
 147 int vnic_dev_disable(struct vnic_dev *vdev);
 148 int vnic_dev_open(struct vnic_dev *vdev, int arg);
 149 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 150 int vnic_dev_init(struct vnic_dev *vdev, int arg);
 151 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 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 void vnic_dev_unregister(struct vnic_dev *vdev);
 157 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 158                                    void *priv, struct pci_dev *pdev,
 159                                    struct vnic_dev_bar *bar);
 160
 161 #endif /* _VNIC_DEV_H_ */