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
 73struct vnic_dev;
 74struct vnic_stats;
 75
 76void *vnic_dev_priv(struct vnic_dev *vdev);
 77unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
 78	enum vnic_res_type type);
 79void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
 80	unsigned int index);
 81void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
 82int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
 83	unsigned int desc_count, unsigned int desc_size);
 84void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
 85	struct vnic_dev_ring *ring);
 86int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 87	u64 *a0, u64 *a1, int wait);
 88int vnic_dev_fw_info(struct vnic_dev *vdev,
 89	struct vnic_devcmd_fw_info **fw_info);
 90int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
 91	void *value);
 92int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
 93int vnic_dev_hang_notify(struct vnic_dev *vdev);
 94int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
 95	int broadcast, int promisc, int allmulti);
 96int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
 97int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
 98int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
 99int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
100int vnic_dev_notify_unset(struct vnic_dev *vdev);
101int vnic_dev_link_status(struct vnic_dev *vdev);
102u32 vnic_dev_port_speed(struct vnic_dev *vdev);
103u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
104u32 vnic_dev_mtu(struct vnic_dev *vdev);
105int vnic_dev_close(struct vnic_dev *vdev);
106int vnic_dev_enable_wait(struct vnic_dev *vdev);
107int vnic_dev_disable(struct vnic_dev *vdev);
108int vnic_dev_open(struct vnic_dev *vdev, int arg);
109int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
110int vnic_dev_init(struct vnic_dev *vdev, int arg);
111int vnic_dev_deinit(struct vnic_dev *vdev);
112void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
113int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
114int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
115int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
116void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
117	enum vnic_dev_intr_mode intr_mode);
118enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
119u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
120u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
121u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
122void vnic_dev_unregister(struct vnic_dev *vdev);
123int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
124	u8 ig_vlan_rewrite_mode);
125struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
126	void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
127	unsigned int num_bars);
128int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
129int vnic_dev_enable2(struct vnic_dev *vdev, int active);
130int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
131int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
132
133#endif /* _VNIC_DEV_H_ */