LXR linux/drivers/scsi/fnic/vnic

   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_cmd_init fnic_dev_cmd_init
  40#define vnic_dev_stats_dump fnic_dev_stats_dump
  41#define vnic_dev_hang_notify fnic_dev_hang_notify
  42#define vnic_dev_packet_filter fnic_dev_packet_filter
  43#define vnic_dev_add_addr fnic_dev_add_addr
  44#define vnic_dev_del_addr fnic_dev_del_addr
  45#define vnic_dev_mac_addr fnic_dev_mac_addr
  46#define vnic_dev_notify_set fnic_dev_notify_set
  47#define vnic_dev_notify_unset fnic_dev_notify_unset
  48#define vnic_dev_link_status fnic_dev_link_status
  49#define vnic_dev_port_speed fnic_dev_port_speed
  50#define vnic_dev_msg_lvl fnic_dev_msg_lvl
  51#define vnic_dev_mtu fnic_dev_mtu
  52#define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
  53#define vnic_dev_close fnic_dev_close
  54#define vnic_dev_enable fnic_dev_enable
  55#define vnic_dev_disable fnic_dev_disable
  56#define vnic_dev_open fnic_dev_open
  57#define vnic_dev_open_done fnic_dev_open_done
  58#define vnic_dev_init fnic_dev_init
  59#define vnic_dev_soft_reset fnic_dev_soft_reset
  60#define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
  61#define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
  62#define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
  63#define vnic_dev_unregister fnic_dev_unregister
  64#define vnic_dev_register fnic_dev_register
  65
  66#ifndef VNIC_PADDR_TARGET
  67#define VNIC_PADDR_TARGET       0x0000000000000000ULL
  68#endif
  69
  70#ifndef readq
  71static inline u64 readq(void __iomem *reg)
  72{
  73        return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
  74}
  75
  76static inline void writeq(u64 val, void __iomem *reg)
  77{
  78        writel(val & 0xffffffff, reg);
  79        writel(val >> 32, reg + 0x4UL);
  80}
  81#endif
  82
  83enum vnic_dev_intr_mode {
  84        VNIC_DEV_INTR_MODE_UNKNOWN,
  85        VNIC_DEV_INTR_MODE_INTX,
  86        VNIC_DEV_INTR_MODE_MSI,
  87        VNIC_DEV_INTR_MODE_MSIX,
  88};
  89
  90struct vnic_dev_bar {
  91        void __iomem *vaddr;
  92        dma_addr_t bus_addr;
  93        unsigned long len;
  94};
  95
  96struct vnic_dev_ring {
  97        void *descs;
  98        size_t size;
  99        dma_addr_t base_addr;
 100        size_t base_align;
 101        void *descs_unaligned;
 102        size_t size_unaligned;
 103        dma_addr_t base_addr_unaligned;
 104        unsigned int desc_size;
 105        unsigned int desc_count;
 106        unsigned int desc_avail;
 107};
 108
 109struct vnic_dev;
 110struct vnic_stats;
 111
 112void *vnic_dev_priv(struct vnic_dev *vdev);
 113unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 114                                    enum vnic_res_type type);
 115void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 116                               unsigned int index);
 117unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
 118                                     unsigned int desc_count,
 119                                     unsigned int desc_size);
 120void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 121int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 122                             unsigned int desc_count, unsigned int desc_size);
 123void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 124                             struct vnic_dev_ring *ring);
 125int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 126                 u64 *a0, u64 *a1, int wait);
 127int vnic_dev_fw_info(struct vnic_dev *vdev,
 128                     struct vnic_devcmd_fw_info **fw_info);
 129int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
 130                  unsigned int size, void *value);
 131int vnic_dev_stats_clear(struct vnic_dev *vdev);
 132int vnic_dev_cmd_init(struct vnic_dev *vdev);
 133int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 134int vnic_dev_hang_notify(struct vnic_dev *vdev);
 135void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 136                            int broadcast, int promisc, int allmulti);
 137void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
 138void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 139int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 140int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 141void vnic_dev_notify_unset(struct vnic_dev *vdev);
 142int vnic_dev_link_status(struct vnic_dev *vdev);
 143u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 144u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 145u32 vnic_dev_mtu(struct vnic_dev *vdev);
 146u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
 147int vnic_dev_close(struct vnic_dev *vdev);
 148int vnic_dev_enable(struct vnic_dev *vdev);
 149int vnic_dev_disable(struct vnic_dev *vdev);
 150int vnic_dev_open(struct vnic_dev *vdev, int arg);
 151int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 152int vnic_dev_init(struct vnic_dev *vdev, int arg);
 153u16 vnic_dev_set_default_vlan(struct vnic_dev *vdev,
 154                                u16 new_default_vlan);
 155int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 156int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
 157void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
 158                            enum vnic_dev_intr_mode intr_mode);
 159enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
 160void vnic_dev_unregister(struct vnic_dev *vdev);
 161struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 162                                   void *priv, struct pci_dev *pdev,
 163                                   struct vnic_dev_bar *bar);
 164
 165#endif /* _VNIC_DEV_H_ */
 166