f-stack/dpdk/drivers/net/enic/base/vnic_dev.h

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 */

#ifndef _VNIC_DEV_H_
#define _VNIC_DEV_H_

#include <stdbool.h>

#include <rte_pci.h>
#include <rte_bus_pci.h>

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

#ifndef VNIC_PADDR_TARGET
#define VNIC_PADDR_TARGET	0x0000000000000000ULL
#endif

#ifndef readq
static inline uint64_t readq(void __iomem *reg)
{
	return ((uint64_t)readl((char *)reg + 0x4UL) << 32) |
		(uint64_t)readl(reg);
}

static inline void writeq(uint64_t val, void __iomem *reg)
{
	writel(val & 0xffffffff, reg);
	writel((uint32_t)(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, uint8_t *name),
	void (*free_consistent)(void *priv,
		size_t size, void *vaddr,
		dma_addr_t dma_handle));
void vnic_register_lock(struct vnic_dev *vdev, void (*lock)(void *priv),
	void (*unlock)(void *priv));
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);
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,
	uint64_t *a0, uint64_t *a1, int wait);
int vnic_dev_cmd_args(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
	uint64_t *args, int nargs, int wait);
void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, uint16_t index);
void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, uint16_t 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_capable_adv_filters(struct vnic_dev *vdev);
int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd);
int vnic_dev_capable_filter_mode(struct vnic_dev *vdev, uint32_t *mode,
				 uint8_t *filter_actions);
void vnic_dev_capable_udp_rss_weak(struct vnic_dev *vdev, bool *cfg_chk,
				   bool *weak);
int vnic_dev_asic_info(struct vnic_dev *vdev, uint16_t *asic_type,
		       uint16_t *asic_rev);
int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t 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, uint8_t *addr);
int vnic_dev_del_addr(struct vnic_dev *vdev, uint8_t *addr);
int vnic_dev_get_mac_addr(struct vnic_dev *vdev, uint8_t *mac_addr);
int vnic_dev_raise_intr(struct vnic_dev *vdev, uint16_t intr);
int vnic_dev_notify_set(struct vnic_dev *vdev, uint16_t 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, uint16_t intr);
int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev);
int vnic_dev_link_status(struct vnic_dev *vdev);
uint32_t vnic_dev_port_speed(struct vnic_dev *vdev);
uint32_t vnic_dev_msg_lvl(struct vnic_dev *vdev);
uint32_t vnic_dev_mtu(struct vnic_dev *vdev);
uint32_t vnic_dev_link_down_cnt(struct vnic_dev *vdev);
uint32_t vnic_dev_notify_status(struct vnic_dev *vdev);
uint32_t 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, uint8_t *buf, uint32_t 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);
uint32_t vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev,
					     uint32_t usec);
uint32_t vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev,
					     uint32_t hw_cycles);
uint32_t 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,
	uint8_t 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);
struct vnic_dev *vnic_vf_rep_register(void *priv, struct vnic_dev *pf_vdev,
	int vf_id);
int vnic_dev_alloc_stats_mem(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, uint64_t arg, uint32_t op);
int vnic_dev_perbi(struct vnic_dev *vdev, uint64_t arg, uint32_t op);
uint32_t vnic_dev_perbi_rebuild_cnt(struct vnic_dev *vdev);
int vnic_dev_init_prov2(struct vnic_dev *vdev, uint8_t *buf, uint32_t 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, uint8_t *mac_addr);
int vnic_dev_classifier(struct vnic_dev *vdev, uint8_t cmd, uint16_t *entry,
	struct filter_v2 *data, struct filter_action_v2 *action_v2);
int vnic_dev_flowman_cmd(struct vnic_dev *vdev, uint64_t *args, int nargs);
int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev,
	uint8_t overlay, uint8_t config);
int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, uint8_t overlay,
	uint16_t vxlan_udp_port_number);
int vnic_dev_capable_vxlan(struct vnic_dev *vdev);
int vnic_dev_capable_geneve(struct vnic_dev *vdev);
uint64_t vnic_dev_capable_cq_entry_size(struct vnic_dev *vdev);
int vnic_dev_set_cq_entry_size(struct vnic_dev *vdev, uint32_t rq_idx,
			       uint32_t size_flag);

#endif /* _VNIC_DEV_H_ */