1/*******************************************************************************
  2
  3  Intel 82599 Virtual Function driver
  4  Copyright(c) 1999 - 2015 Intel Corporation.
  5
  6  This program is free software; you can redistribute it and/or modify it
  7  under the terms and conditions of the GNU General Public License,
  8  version 2, as published by the Free Software Foundation.
  9
 10  This program is distributed in the hope it will be useful, but WITHOUT
 11  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 13  more details.
 14
 15  You should have received a copy of the GNU General Public License along with
 16  this program; if not, see <http://www.gnu.org/licenses/>.
 17
 18  The full GNU General Public License is included in this distribution in
 19  the file called "COPYING".
 20
 21  Contact Information:
 22  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 23  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 24
 25*******************************************************************************/
 26
 27#ifndef __IXGBE_VF_H__
 28#define __IXGBE_VF_H__
 29
 30#include <linux/pci.h>
 31#include <linux/delay.h>
 32#include <linux/interrupt.h>
 33#include <linux/if_ether.h>
 34#include <linux/netdevice.h>
 35
 36#include "defines.h"
 37#include "regs.h"
 38#include "mbx.h"
 39
 40struct ixgbe_hw;
 41
 42/* iterator type for walking multicast address lists */
 43typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
 44				  u32 *vmdq);
 45struct ixgbe_mac_operations {
 46	s32 (*init_hw)(struct ixgbe_hw *);
 47	s32 (*reset_hw)(struct ixgbe_hw *);
 48	s32 (*start_hw)(struct ixgbe_hw *);
 49	s32 (*clear_hw_cntrs)(struct ixgbe_hw *);
 50	enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *);
 51	s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
 52	s32 (*stop_adapter)(struct ixgbe_hw *);
 53	s32 (*get_bus_info)(struct ixgbe_hw *);
 54
 55	/* Link */
 56	s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
 57	s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
 58	s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
 59				     bool *);
 60
 61	/* RAR, Multicast, VLAN */
 62	s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
 63	s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
 64	s32 (*init_rx_addrs)(struct ixgbe_hw *);
 65	s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
 66	s32 (*update_xcast_mode)(struct ixgbe_hw *, struct net_device *, int);
 67	s32 (*enable_mc)(struct ixgbe_hw *);
 68	s32 (*disable_mc)(struct ixgbe_hw *);
 69	s32 (*clear_vfta)(struct ixgbe_hw *);
 70	s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
 71};
 72
 73enum ixgbe_mac_type {
 74	ixgbe_mac_unknown = 0,
 75	ixgbe_mac_82599_vf,
 76	ixgbe_mac_X540_vf,
 77	ixgbe_mac_X550_vf,
 78	ixgbe_mac_X550EM_x_vf,
 79	ixgbe_num_macs
 80};
 81
 82struct ixgbe_mac_info {
 83	struct ixgbe_mac_operations ops;
 84	u8 addr[6];
 85	u8 perm_addr[6];
 86
 87	enum ixgbe_mac_type type;
 88
 89	s32  mc_filter_type;
 90
 91	bool get_link_status;
 92	u32  max_tx_queues;
 93	u32  max_rx_queues;
 94	u32  max_msix_vectors;
 95};
 96
 97struct ixgbe_mbx_operations {
 98	s32 (*init_params)(struct ixgbe_hw *hw);
 99	s32 (*read)(struct ixgbe_hw *, u32 *, u16);
100	s32 (*write)(struct ixgbe_hw *, u32 *, u16);
101	s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
102	s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
103	s32 (*check_for_msg)(struct ixgbe_hw *);
104	s32 (*check_for_ack)(struct ixgbe_hw *);
105	s32 (*check_for_rst)(struct ixgbe_hw *);
106};
107
108struct ixgbe_mbx_stats {
109	u32 msgs_tx;
110	u32 msgs_rx;
111
112	u32 acks;
113	u32 reqs;
114	u32 rsts;
115};
116
117struct ixgbe_mbx_info {
118	struct ixgbe_mbx_operations ops;
119	struct ixgbe_mbx_stats stats;
120	u32 timeout;
121	u32 udelay;
122	u32 v2p_mailbox;
123	u16 size;
124};
125
126struct ixgbe_hw {
127	void *back;
128
129	u8 __iomem *hw_addr;
130
131	struct ixgbe_mac_info mac;
132	struct ixgbe_mbx_info mbx;
133
134	u16 device_id;
135	u16 subsystem_vendor_id;
136	u16 subsystem_device_id;
137	u16 vendor_id;
138
139	u8  revision_id;
140	bool adapter_stopped;
141
142	int api_version;
143};
144
145struct ixgbevf_hw_stats {
146	u64 base_vfgprc;
147	u64 base_vfgptc;
148	u64 base_vfgorc;
149	u64 base_vfgotc;
150	u64 base_vfmprc;
151
152	u64 last_vfgprc;
153	u64 last_vfgptc;
154	u64 last_vfgorc;
155	u64 last_vfgotc;
156	u64 last_vfmprc;
157
158	u64 vfgprc;
159	u64 vfgptc;
160	u64 vfgorc;
161	u64 vfgotc;
162	u64 vfmprc;
163
164	u64 saved_reset_vfgprc;
165	u64 saved_reset_vfgptc;
166	u64 saved_reset_vfgorc;
167	u64 saved_reset_vfgotc;
168	u64 saved_reset_vfmprc;
169};
170
171struct ixgbevf_info {
172	enum ixgbe_mac_type mac;
173	const struct ixgbe_mac_operations *mac_ops;
174};
175
176#define IXGBE_FAILED_READ_REG 0xffffffffU
177
178#define IXGBE_REMOVED(a) unlikely(!(a))
179
180static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
181{
182	u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
183
184	if (IXGBE_REMOVED(reg_addr))
185		return;
186	writel(value, reg_addr + reg);
187}
188
189#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
190
191u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
192#define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
193
194static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
195					 u32 offset, u32 value)
196{
197	ixgbe_write_reg(hw, reg + (offset << 2), value);
198}
199
200#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
201
202static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
203				       u32 offset)
204{
205	return ixgbevf_read_reg(hw, reg + (offset << 2));
206}
207
208#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
209
210void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
211int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
212int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
213		       unsigned int *default_tc);
214int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
215int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
216#endif /* __IXGBE_VF_H__ */