drivers/scsi/fnic/vnic_dev.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
   4  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   5  */
   6 #ifndef _VNIC_DEV_H_
   7 #define _VNIC_DEV_H_
   8
   9 #include "vnic_resource.h"
  10 #include "vnic_devcmd.h"
  11
  12 /*
  13  * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
  14  * Driver) when both are built with CONFIG options =y
  15  */
  16 #define vnic_dev_priv fnic_dev_priv
  17 #define vnic_dev_get_res_count fnic_dev_get_res_count
  18 #define vnic_dev_get_res fnic_dev_get_res
  19 #define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
  20 #define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
  21 #define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
  22 #define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
  23 #define vnic_dev_cmd fnic_dev_cmd
  24 #define vnic_dev_fw_info fnic_dev_fw_info
  25 #define vnic_dev_spec fnic_dev_spec
  26 #define vnic_dev_stats_clear fnic_dev_stats_clear
  27 #define vnic_dev_cmd_init fnic_dev_cmd_init
  28 #define vnic_dev_stats_dump fnic_dev_stats_dump
  29 #define vnic_dev_hang_notify fnic_dev_hang_notify
  30 #define vnic_dev_packet_filter fnic_dev_packet_filter
  31 #define vnic_dev_add_addr fnic_dev_add_addr
  32 #define vnic_dev_del_addr fnic_dev_del_addr
  33 #define vnic_dev_mac_addr fnic_dev_mac_addr
  34 #define vnic_dev_notify_set fnic_dev_notify_set
  35 #define vnic_dev_notify_unset fnic_dev_notify_unset
  36 #define vnic_dev_link_status fnic_dev_link_status
  37 #define vnic_dev_port_speed fnic_dev_port_speed
  38 #define vnic_dev_msg_lvl fnic_dev_msg_lvl
  39 #define vnic_dev_mtu fnic_dev_mtu
  40 #define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
  41 #define vnic_dev_close fnic_dev_close
  42 #define vnic_dev_enable fnic_dev_enable
  43 #define vnic_dev_disable fnic_dev_disable
  44 #define vnic_dev_open fnic_dev_open
  45 #define vnic_dev_open_done fnic_dev_open_done
  46 #define vnic_dev_init fnic_dev_init
  47 #define vnic_dev_soft_reset fnic_dev_soft_reset
  48 #define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
  49 #define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
  50 #define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
  51 #define vnic_dev_unregister fnic_dev_unregister
  52 #define vnic_dev_register fnic_dev_register
  53
  54 #ifndef VNIC_PADDR_TARGET
  55 #define VNIC_PADDR_TARGET       0x0000000000000000ULL
  56 #endif
  57
  58 #ifndef readq
  59 static inline u64 readq(void __iomem *reg)
  60 {
  61         return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
  62 }
  63
  64 static inline void writeq(u64 val, void __iomem *reg)
  65 {
  66         writel(val & 0xffffffff, reg);
  67         writel(val >> 32, reg + 0x4UL);
  68 }
  69 #endif
  70
  71 enum vnic_dev_intr_mode {
  72         VNIC_DEV_INTR_MODE_UNKNOWN,
  73         VNIC_DEV_INTR_MODE_INTX,
  74         VNIC_DEV_INTR_MODE_MSI,
  75         VNIC_DEV_INTR_MODE_MSIX,
  76 };
  77
  78 struct vnic_dev_bar {
  79         void __iomem *vaddr;
  80         dma_addr_t bus_addr;
  81         unsigned long len;
  82 };
  83
  84 struct vnic_dev_ring {
  85         void *descs;
  86         size_t size;
  87         dma_addr_t base_addr;
  88         size_t base_align;
  89         void *descs_unaligned;
  90         size_t size_unaligned;
  91         dma_addr_t base_addr_unaligned;
  92         unsigned int desc_size;
  93         unsigned int desc_count;
  94         unsigned int desc_avail;
  95 };
  96
  97 struct vnic_dev;
  98 struct vnic_stats;
  99
 100 void *vnic_dev_priv(struct vnic_dev *vdev);
 101 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 102                                     enum vnic_res_type type);
 103 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 104                                unsigned int index);
 105 unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
 106                                      unsigned int desc_count,
 107                                      unsigned int desc_size);
 108 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 109 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 110                              unsigned int desc_count, unsigned int desc_size);
 111 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 112                              struct vnic_dev_ring *ring);
 113 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 114                  u64 *a0, u64 *a1, int wait);
 115 int vnic_dev_fw_info(struct vnic_dev *vdev,
 116                      struct vnic_devcmd_fw_info **fw_info);
 117 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
 118                   unsigned int size, void *value);
 119 int vnic_dev_stats_clear(struct vnic_dev *vdev);
 120 int vnic_dev_cmd_init(struct vnic_dev *vdev);
 121 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 122 int vnic_dev_hang_notify(struct vnic_dev *vdev);
 123 void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 124                             int broadcast, int promisc, int allmulti);
 125 void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
 126 void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 127 int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 128 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 129 void vnic_dev_notify_unset(struct vnic_dev *vdev);
 130 int vnic_dev_link_status(struct vnic_dev *vdev);
 131 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 132 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 133 u32 vnic_dev_mtu(struct vnic_dev *vdev);
 134 u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
 135 int vnic_dev_close(struct vnic_dev *vdev);
 136 int vnic_dev_enable(struct vnic_dev *vdev);
 137 int vnic_dev_disable(struct vnic_dev *vdev);
 138 int vnic_dev_open(struct vnic_dev *vdev, int arg);
 139 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 140 int vnic_dev_init(struct vnic_dev *vdev, int arg);
 141 u16 vnic_dev_set_default_vlan(struct vnic_dev *vdev,
 142                                 u16 new_default_vlan);
 143 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 144 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
 145 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
 146                             enum vnic_dev_intr_mode intr_mode);
 147 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
 148 void vnic_dev_unregister(struct vnic_dev *vdev);
 149 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 150                                    void *priv, struct pci_dev *pdev,
 151                                    struct vnic_dev_bar *bar);
 152
 153 #endif /* _VNIC_DEV_H_ */