cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/ethernet/cisco/enic/vnic_dev.h

Directory: drivers/net/ethernet/cisco/enic
/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef _VNIC_DEV_H_

#define _VNIC_DEV_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(reg + 0x4UL) << 32) |
		(u64)readl(reg));
}


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

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#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;
};


enum vnic_proxy_type {
	
PROXY_NONE,
	
PROXY_BY_BDF,
	
PROXY_BY_INDEX,
};


struct vnic_res {
	
void __iomem *vaddr;
	
dma_addr_t bus_addr;
	
unsigned int count;
};


struct vnic_intr_coal_timer_info {
	
u32 mul;
	
u32 div;
	
u32 max_usec;
};


struct vnic_dev {
	
void *priv;
	
struct pci_dev *pdev;
	
struct vnic_res res[RES_TYPE_MAX];
	
enum vnic_dev_intr_mode intr_mode;
	
struct vnic_devcmd __iomem *devcmd;
	
struct vnic_devcmd_notify *notify;
	
struct vnic_devcmd_notify notify_copy;
	
dma_addr_t notify_pa;
	
u32 notify_sz;
	
dma_addr_t linkstatus_pa;
	
struct vnic_stats *stats;
	
dma_addr_t stats_pa;
	
struct vnic_devcmd_fw_info *fw_info;
	
dma_addr_t fw_info_pa;
	
enum vnic_proxy_type proxy;
	
u32 proxy_index;
	
u64 args[VNIC_DEVCMD_NARGS];
	
struct vnic_intr_coal_timer_info intr_coal_timer_info;
	
struct devcmd2_controller *devcmd2;
	
int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
			  int wait);
};

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 __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
	unsigned int index);
void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
	unsigned int desc_count, unsigned int desc_size);
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);
void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
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_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
	void *value);
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_add_addr(struct vnic_dev *vdev, const u8 *addr);
int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr);
int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
int vnic_dev_notify_unset(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);
int vnic_dev_close(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_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_hang_reset(struct vnic_dev *vdev, int arg);
int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
int vnic_dev_soft_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 pci_dev *pdev, struct vnic_dev_bar *bar,
	unsigned int num_bars);
struct pci_dev *vnic_dev_get_pdev(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);
int vnic_devcmd_init(struct vnic_dev *vdev);

#endif /* _VNIC_DEV_H_ */

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Directory: drivers/net/ethernet/cisco/enic



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