vnic_dev.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
  4 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
  5 */
  6
  7#ifndef _VNIC_DEV_H_
  8#define _VNIC_DEV_H_
  9
 10#include "vnic_resource.h"
 11#include "vnic_devcmd.h"
 12
 13#ifndef VNIC_PADDR_TARGET
 14#define VNIC_PADDR_TARGET	0x0000000000000000ULL
 15#endif
 16
 17#ifndef readq
 18static inline u64 readq(void __iomem *reg)
 19{
 20	return (((u64)readl(reg + 0x4UL) << 32) |
 21		(u64)readl(reg));
 22}
 23
 24static inline void writeq(u64 val, void __iomem *reg)
 25{
 26	writel(val & 0xffffffff, reg);
 27	writel(val >> 32, reg + 0x4UL);
 28}
 29#endif
 30
 31#undef pr_fmt
 32#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 33
 34#define VNIC_DESC_SIZE_ALIGN	16
 35#define VNIC_DESC_COUNT_ALIGN	32
 36#define VNIC_DESC_BASE_ALIGN	512
 37#define VNIC_DESC_MAX_COUNT	4096
 38
 39enum vnic_dev_intr_mode {
 40	VNIC_DEV_INTR_MODE_UNKNOWN,
 41	VNIC_DEV_INTR_MODE_INTX,
 42	VNIC_DEV_INTR_MODE_MSI,
 43	VNIC_DEV_INTR_MODE_MSIX,
 44};
 45
 46struct vnic_dev_bar {
 47	void __iomem *vaddr;
 48	dma_addr_t bus_addr;
 49	unsigned long len;
 50};
 51
 52struct vnic_dev_ring {
 53	void *descs;
 54	size_t size;
 55	dma_addr_t base_addr;
 56	size_t base_align;
 57	void *descs_unaligned;
 58	size_t size_unaligned;
 59	dma_addr_t base_addr_unaligned;
 60	unsigned int desc_size;
 61	unsigned int desc_count;
 62	unsigned int desc_avail;
 63};
 64
 65enum vnic_proxy_type {
 66	PROXY_NONE,
 67	PROXY_BY_BDF,
 68	PROXY_BY_INDEX,
 69};
 70
 71struct vnic_res {
 72	void __iomem *vaddr;
 73	dma_addr_t bus_addr;
 74	unsigned int count;
 75};
 76
 77struct vnic_intr_coal_timer_info {
 78	u32 mul;
 79	u32 div;
 80	u32 max_usec;
 81};
 82
 83struct vnic_dev {
 84	void *priv;
 85	struct pci_dev *pdev;
 86	struct vnic_res res[RES_TYPE_MAX];
 87	enum vnic_dev_intr_mode intr_mode;
 88	struct vnic_devcmd __iomem *devcmd;
 89	struct vnic_devcmd_notify *notify;
 90	struct vnic_devcmd_notify notify_copy;
 91	dma_addr_t notify_pa;
 92	u32 notify_sz;
 93	dma_addr_t linkstatus_pa;
 94	struct vnic_stats *stats;
 95	dma_addr_t stats_pa;
 96	struct vnic_devcmd_fw_info *fw_info;
 97	dma_addr_t fw_info_pa;
 98	enum vnic_proxy_type proxy;
 99	u32 proxy_index;
100	u64 args[VNIC_DEVCMD_NARGS];
101	struct vnic_intr_coal_timer_info intr_coal_timer_info;
102	struct devcmd2_controller *devcmd2;
103	int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
104			  int wait);
105};
106
107struct vnic_stats;
108
109void *vnic_dev_priv(struct vnic_dev *vdev);
110unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
111	enum vnic_res_type type);
112void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
113	unsigned int index);
114void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
115int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
116	unsigned int desc_count, unsigned int desc_size);
117void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
118	struct vnic_dev_ring *ring);
119int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
120	u64 *a0, u64 *a1, int wait);
121void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
122void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
123int vnic_dev_fw_info(struct vnic_dev *vdev,
124	struct vnic_devcmd_fw_info **fw_info);
125int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
126	void *value);
127int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
128int vnic_dev_hang_notify(struct vnic_dev *vdev);
129int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
130	int broadcast, int promisc, int allmulti);
131int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr);
132int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr);
133int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
134int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
135int vnic_dev_notify_unset(struct vnic_dev *vdev);
136int vnic_dev_link_status(struct vnic_dev *vdev);
137u32 vnic_dev_port_speed(struct vnic_dev *vdev);
138u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
139u32 vnic_dev_mtu(struct vnic_dev *vdev);
140int vnic_dev_close(struct vnic_dev *vdev);
141int vnic_dev_enable_wait(struct vnic_dev *vdev);
142int vnic_dev_disable(struct vnic_dev *vdev);
143int vnic_dev_open(struct vnic_dev *vdev, int arg);
144int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
145int vnic_dev_init(struct vnic_dev *vdev, int arg);
146int vnic_dev_deinit(struct vnic_dev *vdev);
147void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
148int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
149int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
150int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
151int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
152int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
153void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
154	enum vnic_dev_intr_mode intr_mode);
155enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
156u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
157u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
158u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
159void vnic_dev_unregister(struct vnic_dev *vdev);
160int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
161	u8 ig_vlan_rewrite_mode);
162struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
163	void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
164	unsigned int num_bars);
165struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev);
166int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
167int vnic_dev_enable2(struct vnic_dev *vdev, int active);
168int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
169int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
170int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
171int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
172			struct filter *data);
173int vnic_devcmd_init(struct vnic_dev *vdev);
174int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config);
175int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
176				 u16 vxlan_udp_port_number);
177int vnic_dev_get_supported_feature_ver(struct vnic_dev *vdev, u8 feature,
178				       u64 *supported_versions, u64 *a1);
179int vnic_dev_capable_rss_hash_type(struct vnic_dev *vdev, u8 *rss_hash_type);
180
181#endif /* _VNIC_DEV_H_ */