drivers/net/ethernet/cisco/enic/vnic_dev.h - arm/linux - Git at Google


            
            /*

            
             * 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));

            
            }


            static inline void writeq(u64 val, void __iomem *reg)

            
            {

            
            	writel(val & 0xffffffff, reg);

            
            	writel(val >> 32, 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;

            
            };


            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);

            
            int vnic_dev_overlay_offload_ctrl(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);

            
            int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature,

            
            				       u64 *supported_versions);


            #endif /* _VNIC_DEV_H_ */
	/*
	* 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));
	}

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

	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);
	int vnic_dev_overlay_offload_ctrl(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);
	int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature,
	u64 *supported_versions);

	#endif /* _VNIC_DEV_H_ */