LXR linux/drivers/net/ethernet/cisco/enic/vnic

   1/*
   2 * Copyright 2008-2010 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
  31static inline u64 readq(void __iomem *reg)
  32{
  33        return (((u64)readl(reg + 0x4UL) << 32) |
  34                (u64)readl(reg));
  35}
  36
  37static 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#undef pr_fmt
  45#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  46
  47enum vnic_dev_intr_mode {
  48        VNIC_DEV_INTR_MODE_UNKNOWN,
  49        VNIC_DEV_INTR_MODE_INTX,
  50        VNIC_DEV_INTR_MODE_MSI,
  51        VNIC_DEV_INTR_MODE_MSIX,
  52};
  53
  54struct vnic_dev_bar {
  55        void __iomem *vaddr;
  56        dma_addr_t bus_addr;
  57        unsigned long len;
  58};
  59
  60struct vnic_dev_ring {
  61        void *descs;
  62        size_t size;
  63        dma_addr_t base_addr;
  64        size_t base_align;
  65        void *descs_unaligned;
  66        size_t size_unaligned;
  67        dma_addr_t base_addr_unaligned;
  68        unsigned int desc_size;
  69        unsigned int desc_count;
  70        unsigned int desc_avail;
  71};
  72
  73enum vnic_proxy_type {
  74        PROXY_NONE,
  75        PROXY_BY_BDF,
  76        PROXY_BY_INDEX,
  77};
  78
  79struct vnic_res {
  80        void __iomem *vaddr;
  81        dma_addr_t bus_addr;
  82        unsigned int count;
  83};
  84
  85struct vnic_intr_coal_timer_info {
  86        u32 mul;
  87        u32 div;
  88        u32 max_usec;
  89};
  90
  91struct vnic_dev {
  92        void *priv;
  93        struct pci_dev *pdev;
  94        struct vnic_res res[RES_TYPE_MAX];
  95        enum vnic_dev_intr_mode intr_mode;
  96        struct vnic_devcmd __iomem *devcmd;
  97        struct vnic_devcmd_notify *notify;
  98        struct vnic_devcmd_notify notify_copy;
  99        dma_addr_t notify_pa;
 100        u32 notify_sz;
 101        dma_addr_t linkstatus_pa;
 102        struct vnic_stats *stats;
 103        dma_addr_t stats_pa;
 104        struct vnic_devcmd_fw_info *fw_info;
 105        dma_addr_t fw_info_pa;
 106        enum vnic_proxy_type proxy;
 107        u32 proxy_index;
 108        u64 args[VNIC_DEVCMD_NARGS];
 109        struct vnic_intr_coal_timer_info intr_coal_timer_info;
 110        struct devcmd2_controller *devcmd2;
 111        int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 112                          int wait);
 113};
 114
 115struct vnic_stats;
 116
 117void *vnic_dev_priv(struct vnic_dev *vdev);
 118unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 119        enum vnic_res_type type);
 120void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 121        unsigned int index);
 122void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 123int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 124        unsigned int desc_count, unsigned int desc_size);
 125void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 126        struct vnic_dev_ring *ring);
 127int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 128        u64 *a0, u64 *a1, int wait);
 129void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
 130void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
 131int vnic_dev_fw_info(struct vnic_dev *vdev,
 132        struct vnic_devcmd_fw_info **fw_info);
 133int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
 134        void *value);
 135int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 136int vnic_dev_hang_notify(struct vnic_dev *vdev);
 137int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 138        int broadcast, int promisc, int allmulti);
 139int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr);
 140int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr);
 141int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 142int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
 143int vnic_dev_notify_unset(struct vnic_dev *vdev);
 144int vnic_dev_link_status(struct vnic_dev *vdev);
 145u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 146u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 147u32 vnic_dev_mtu(struct vnic_dev *vdev);
 148int vnic_dev_close(struct vnic_dev *vdev);
 149int vnic_dev_enable_wait(struct vnic_dev *vdev);
 150int vnic_dev_disable(struct vnic_dev *vdev);
 151int vnic_dev_open(struct vnic_dev *vdev, int arg);
 152int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
 153int vnic_dev_init(struct vnic_dev *vdev, int arg);
 154int vnic_dev_deinit(struct vnic_dev *vdev);
 155void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
 156int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
 157int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
 158int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
 159int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
 160int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
 161void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
 162        enum vnic_dev_intr_mode intr_mode);
 163enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
 164u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
 165u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
 166u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
 167void vnic_dev_unregister(struct vnic_dev *vdev);
 168int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
 169        u8 ig_vlan_rewrite_mode);
 170struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 171        void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
 172        unsigned int num_bars);
 173struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev);
 174int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
 175int vnic_dev_enable2(struct vnic_dev *vdev, int active);
 176int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
 177int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
 178int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 179int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
 180                        struct filter *data);
 181int vnic_devcmd_init(struct vnic_dev *vdev);
 182int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config);
 183int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
 184                                 u16 vxlan_udp_port_number);
 185int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature,
 186                                       u64 *supported_versions, u64 *a1);
 187int vnic_dev_capable_rss_hash_type(struct vnic_dev *vdev, u8 *rss_hash_type);
 188
 189#endif /* _VNIC_DEV_H_ */
 190