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/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * Copyright (c) 2014, Cisco Systems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */
#ident "$Id: vnic_dev.h 196958 2014-11-04 18:23:37Z xuywang $"

#ifndef _VNIC_DEV_H_
#define _VNIC_DEV_H_

#include "enic_compat.h"
#include "rte_pci.h"
#include "vnic_resource.h"
#include "vnic_devcmd.h"

#ifndef VNIC_PADDR_TARGET
#define VNIC_PADDR_TARGET	0x0000000000000000ULL
#endif

#ifndef readq
static inline u64 readq(void __iomem *reg)
{
	return ((u64)readl((char *)reg + 0x4UL) << 32) |
		(u64)readl(reg);
}

static inline void writeq(u64 val, void __iomem *reg)
{
	writel(val & 0xffffffff, reg);
	writel(val >> 32, (char *)reg + 0x4UL);
}
#endif

#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

enum vnic_dev_intr_mode {
	VNIC_DEV_INTR_MODE_UNKNOWN,
	VNIC_DEV_INTR_MODE_INTX,
	VNIC_DEV_INTR_MODE_MSI,
	VNIC_DEV_INTR_MODE_MSIX,
};

struct vnic_dev_bar {
	void __iomem *vaddr;
	dma_addr_t bus_addr;
	unsigned long len;
};

struct vnic_dev_ring {
	void *descs;
	size_t size;
	dma_addr_t base_addr;
	size_t base_align;
	void *descs_unaligned;
	size_t size_unaligned;
	dma_addr_t base_addr_unaligned;
	unsigned int desc_size;
	unsigned int desc_count;
	unsigned int desc_avail;
};

struct vnic_dev_iomap_info {
	dma_addr_t bus_addr;
	unsigned long len;
	void __iomem *vaddr;
};

struct vnic_dev;
struct vnic_stats;

void *vnic_dev_priv(struct vnic_dev *vdev);
unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
	enum vnic_res_type type);
void vnic_register_cbacks(struct vnic_dev *vdev,
	void *(*alloc_consistent)(void *priv, size_t size,
		dma_addr_t *dma_handle, u8 *name),
	void (*free_consistent)(struct rte_pci_device *hwdev,
		size_t size, void *vaddr,
		dma_addr_t dma_handle));
void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
	unsigned int index);
dma_addr_t vnic_dev_get_res_bus_addr(struct vnic_dev *vdev,
	enum vnic_res_type type, unsigned int index);
uint8_t vnic_dev_get_res_bar(struct vnic_dev *vdev,
	enum vnic_res_type type);
uint32_t vnic_dev_get_res_offset(struct vnic_dev *vdev,
	enum vnic_res_type type, unsigned int index);
unsigned long vnic_dev_get_res_type_len(struct vnic_dev *vdev,
					enum vnic_res_type type);
unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
	unsigned int desc_count, unsigned int desc_size);
void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size);
u16 vnic_get_hdr_split_size(struct vnic_dev *vdev);
int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
	unsigned int desc_count, unsigned int desc_size, unsigned int socket_id,
	char *z_name);
void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
	struct vnic_dev_ring *ring);
int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
	u64 *a0, u64 *a1, int wait);
int vnic_dev_cmd_args(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
	u64 *args, int nargs, int wait);
void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf);
void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
int vnic_dev_fw_info(struct vnic_dev *vdev,
	struct vnic_devcmd_fw_info **fw_info);
int vnic_dev_asic_info(struct vnic_dev *vdev, u16 *asic_type, u16 *asic_rev);
int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
	void *value);
int vnic_dev_stats_clear(struct vnic_dev *vdev);
int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
int vnic_dev_hang_notify(struct vnic_dev *vdev);
int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
	int broadcast, int promisc, int allmulti);
int vnic_dev_packet_filter_all(struct vnic_dev *vdev, int directed,
	int multicast, int broadcast, int promisc, int allmulti);
int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr);
int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state);
int vnic_dev_notify_unset(struct vnic_dev *vdev);
int vnic_dev_notify_setcmd(struct vnic_dev *vdev,
	void *notify_addr, dma_addr_t notify_pa, u16 intr);
int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev);
int vnic_dev_link_status(struct vnic_dev *vdev);
u32 vnic_dev_port_speed(struct vnic_dev *vdev);
u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
u32 vnic_dev_mtu(struct vnic_dev *vdev);
u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
u32 vnic_dev_notify_status(struct vnic_dev *vdev);
u32 vnic_dev_uif(struct vnic_dev *vdev);
int vnic_dev_close(struct vnic_dev *vdev);
int vnic_dev_enable(struct vnic_dev *vdev);
int vnic_dev_enable_wait(struct vnic_dev *vdev);
int vnic_dev_disable(struct vnic_dev *vdev);
int vnic_dev_open(struct vnic_dev *vdev, int arg);
int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
int vnic_dev_init(struct vnic_dev *vdev, int arg);
int vnic_dev_init_done(struct vnic_dev *vdev, int *done, int *err);
int vnic_dev_init_prov(struct vnic_dev *vdev, u8 *buf, u32 len);
int vnic_dev_deinit(struct vnic_dev *vdev);
void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
	enum vnic_dev_intr_mode intr_mode);
enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
void vnic_dev_unregister(struct vnic_dev *vdev);
int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
	u8 ig_vlan_rewrite_mode);
struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
	void *priv, struct rte_pci_device *pdev, struct vnic_dev_bar *bar,
	unsigned int num_bars);
struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev);
int vnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);
int vnic_dev_get_size(void);
int vnic_dev_int13(struct vnic_dev *vdev, u64 arg, u32 op);
int vnic_dev_perbi(struct vnic_dev *vdev, u64 arg, u32 op);
u32 vnic_dev_perbi_rebuild_cnt(struct vnic_dev *vdev);
int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
int vnic_dev_enable2(struct vnic_dev *vdev, int active);
int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
	struct filter *data);
#ifdef ENIC_VXLAN
int vnic_dev_overlay_offload_enable_disable(struct vnic_dev *vdev,
	u8 overlay, u8 config);
int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
	u16 vxlan_udp_port_number);
#endif
#endif /* _VNIC_DEV_H_ */