[net-next-2.6.git] / drivers / net / igbvf / vf.h

/*******************************************************************************

  Intel(R) 82576 Virtual Function Linux driver
  Copyright(c) 2009 - 2010 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

#ifndef _E1000_VF_H_
#define _E1000_VF_H_

#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/if_ether.h>

#include "regs.h"
#include "defines.h"

struct e1000_hw;

#define E1000_DEV_ID_82576_VF                 0x10CA
#define E1000_REVISION_0 0
#define E1000_REVISION_1 1
#define E1000_REVISION_2 2
#define E1000_REVISION_3 3
#define E1000_REVISION_4 4

#define E1000_FUNC_0     0
#define E1000_FUNC_1     1

/*
 * Receive Address Register Count
 * Number of high/low register pairs in the RAR.  The RAR (Receive Address
 * Registers) holds the directed and multicast addresses that we monitor.
 * These entries are also used for MAC-based filtering.
 */
#define E1000_RAR_ENTRIES_VF      1

/* Receive Descriptor - Advanced */
union e1000_adv_rx_desc {
	struct {
		u64 pkt_addr;             /* Packet buffer address */
		u64 hdr_addr;             /* Header buffer address */
	} read;
	struct {
		struct {
			union {
				u32 data;
				struct {
					u16 pkt_info; /* RSS/Packet type */
					u16 hdr_info; /* Split Header,
					               * hdr buffer length */
				} hs_rss;
			} lo_dword;
			union {
				u32 rss;          /* RSS Hash */
				struct {
					u16 ip_id;    /* IP id */
					u16 csum;     /* Packet Checksum */
				} csum_ip;
			} hi_dword;
		} lower;
		struct {
			u32 status_error;     /* ext status/error */
			u16 length;           /* Packet length */
			u16 vlan;             /* VLAN tag */
		} upper;
	} wb;  /* writeback */
};

#define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
#define E1000_RXDADV_HDRBUFLEN_SHIFT     5

/* Transmit Descriptor - Advanced */
union e1000_adv_tx_desc {
	struct {
		u64 buffer_addr;    /* Address of descriptor's data buf */
		u32 cmd_type_len;
		u32 olinfo_status;
	} read;
	struct {
		u64 rsvd;       /* Reserved */
		u32 nxtseq_seed;
		u32 status;
	} wb;
};

/* Adv Transmit Descriptor Config Masks */
#define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
#define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
#define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
#define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
#define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
#define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
#define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
#define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
#define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */

/* Context descriptors */
struct e1000_adv_tx_context_desc {
	u32 vlan_macip_lens;
	u32 seqnum_seed;
	u32 type_tucmd_mlhl;
	u32 mss_l4len_idx;
};

#define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
#define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
#define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
#define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */

enum e1000_mac_type {
	e1000_undefined = 0,
	e1000_vfadapt,
	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
};

struct e1000_vf_stats {
	u64 base_gprc;
	u64 base_gptc;
	u64 base_gorc;
	u64 base_gotc;
	u64 base_mprc;
	u64 base_gotlbc;
	u64 base_gptlbc;
	u64 base_gorlbc;
	u64 base_gprlbc;

	u32 last_gprc;
	u32 last_gptc;
	u32 last_gorc;
	u32 last_gotc;
	u32 last_mprc;
	u32 last_gotlbc;
	u32 last_gptlbc;
	u32 last_gorlbc;
	u32 last_gprlbc;

	u64 gprc;
	u64 gptc;
	u64 gorc;
	u64 gotc;
	u64 mprc;
	u64 gotlbc;
	u64 gptlbc;
	u64 gorlbc;
	u64 gprlbc;
};

#include "mbx.h"

struct e1000_mac_operations {
	/* Function pointers for the MAC. */
	s32  (*init_params)(struct e1000_hw *);
	s32  (*check_for_link)(struct e1000_hw *);
	void (*clear_vfta)(struct e1000_hw *);
	s32  (*get_bus_info)(struct e1000_hw *);
	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32);
	s32  (*reset_hw)(struct e1000_hw *);
	s32  (*init_hw)(struct e1000_hw *);
	s32  (*setup_link)(struct e1000_hw *);
	void (*write_vfta)(struct e1000_hw *, u32, u32);
	void (*mta_set)(struct e1000_hw *, u32);
	void (*rar_set)(struct e1000_hw *, u8*, u32);
	s32  (*read_mac_addr)(struct e1000_hw *);
	s32  (*set_vfta)(struct e1000_hw *, u16, bool);
};

struct e1000_mac_info {
	struct e1000_mac_operations ops;
	u8 addr[6];
	u8 perm_addr[6];

	enum e1000_mac_type type;

	u16 mta_reg_count;
	u16 rar_entry_count;

	bool get_link_status;
};

struct e1000_mbx_operations {
	s32 (*init_params)(struct e1000_hw *hw);
	s32 (*read)(struct e1000_hw *, u32 *, u16);
	s32 (*write)(struct e1000_hw *, u32 *, u16);
	s32 (*read_posted)(struct e1000_hw *, u32 *, u16);
	s32 (*write_posted)(struct e1000_hw *, u32 *, u16);
	s32 (*check_for_msg)(struct e1000_hw *);
	s32 (*check_for_ack)(struct e1000_hw *);
	s32 (*check_for_rst)(struct e1000_hw *);
};

struct e1000_mbx_stats {
	u32 msgs_tx;
	u32 msgs_rx;

	u32 acks;
	u32 reqs;
	u32 rsts;
};

struct e1000_mbx_info {
	struct e1000_mbx_operations ops;
	struct e1000_mbx_stats stats;
	u32 timeout;
	u32 usec_delay;
	u16 size;
};

struct e1000_dev_spec_vf {
	u32 vf_number;
	u32 v2p_mailbox;
};

struct e1000_hw {
	void *back;

	u8 __iomem *hw_addr;
	u8 __iomem *flash_address;
	unsigned long io_base;

	struct e1000_mac_info  mac;
	struct e1000_mbx_info mbx;

	union {
		struct e1000_dev_spec_vf vf;
	} dev_spec;

	u16 device_id;
	u16 subsystem_vendor_id;
	u16 subsystem_device_id;
	u16 vendor_id;

	u8  revision_id;
};

/* These functions must be implemented by drivers */
void e1000_rlpml_set_vf(struct e1000_hw *, u16);
void e1000_init_function_pointers_vf(struct e1000_hw *hw);


#endif /* _E1000_VF_H_ */
Commit	Line	Data
d4e0fe01 AD	1	/*******************************************************************************
	2
	3	Intel(R) 82576 Virtual Function Linux driver
2c20ebba	4	Copyright(c) 2009 - 2010 Intel Corporation.
d4e0fe01 AD	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, write to the Free Software Foundation, Inc.,
	17	51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
	18
	19	The full GNU General Public License is included in this distribution in
	20	the file called "COPYING".
	21
	22	Contact Information:
	23	e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
	24	Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	25
	26	*******************************************************************************/
	27
	28	#ifndef _E1000_VF_H_
	29	#define _E1000_VF_H_
	30
	31	#include <linux/pci.h>
	32	#include <linux/delay.h>
	33	#include <linux/interrupt.h>
	34	#include <linux/if_ether.h>
	35
	36	#include "regs.h"
	37	#include "defines.h"
	38
	39	struct e1000_hw;
	40
	41	#define E1000_DEV_ID_82576_VF 0x10CA
	42	#define E1000_REVISION_0 0
	43	#define E1000_REVISION_1 1
	44	#define E1000_REVISION_2 2
	45	#define E1000_REVISION_3 3
	46	#define E1000_REVISION_4 4
	47
	48	#define E1000_FUNC_0 0
	49	#define E1000_FUNC_1 1
	50
	51	/*
	52	* Receive Address Register Count
	53	* Number of high/low register pairs in the RAR. The RAR (Receive Address
	54	* Registers) holds the directed and multicast addresses that we monitor.
	55	* These entries are also used for MAC-based filtering.
	56	*/
	57	#define E1000_RAR_ENTRIES_VF 1
	58
	59	/* Receive Descriptor - Advanced */
	60	union e1000_adv_rx_desc {
	61	struct {
	62	u64 pkt_addr; /* Packet buffer address */
	63	u64 hdr_addr; /* Header buffer address */
	64	} read;
	65	struct {
	66	struct {
	67	union {
	68	u32 data;
69	struct {
70	u16 pkt_info; /* RSS/Packet type */
71	u16 hdr_info; /* Split Header,
72	* hdr buffer length */
73	} hs_rss;
74	} lo_dword;
75	union {
76	u32 rss; /* RSS Hash */
77	struct {
78	u16 ip_id; /* IP id */
79	u16 csum; /* Packet Checksum */
80	} csum_ip;
81	} hi_dword;
82	} lower;
83	struct {
84	u32 status_error; /* ext status/error */
85	u16 length; /* Packet length */
86	u16 vlan; /* VLAN tag */
87	} upper;
88	} wb; /* writeback */
89	};
90
91	#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
92	#define E1000_RXDADV_HDRBUFLEN_SHIFT 5
93
94	/* Transmit Descriptor - Advanced */
95	union e1000_adv_tx_desc {
96	struct {
97	u64 buffer_addr; /* Address of descriptor's data buf */
98	u32 cmd_type_len;
99	u32 olinfo_status;
100	} read;
101	struct {
102	u64 rsvd; /* Reserved */
103	u32 nxtseq_seed;
104	u32 status;
105	} wb;
106	};
107
108	/* Adv Transmit Descriptor Config Masks */
109	#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
110	#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
111	#define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
112	#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
113	#define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
114	#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
115	#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
116	#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
117	#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
118
119	/* Context descriptors */
120	struct e1000_adv_tx_context_desc {
121	u32 vlan_macip_lens;
122	u32 seqnum_seed;
123	u32 type_tucmd_mlhl;
124	u32 mss_l4len_idx;
125	};
126
127	#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
128	#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
129	#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
130	#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
131	#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
132
133	enum e1000_mac_type {
134	e1000_undefined = 0,
135	e1000_vfadapt,
136	e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
137	};
138
139	struct e1000_vf_stats {
140	u64 base_gprc;
141	u64 base_gptc;
142	u64 base_gorc;
143	u64 base_gotc;
144	u64 base_mprc;
145	u64 base_gotlbc;
146	u64 base_gptlbc;
147	u64 base_gorlbc;
148	u64 base_gprlbc;
149
150	u32 last_gprc;
151	u32 last_gptc;
152	u32 last_gorc;
153	u32 last_gotc;
154	u32 last_mprc;
155	u32 last_gotlbc;
156	u32 last_gptlbc;
157	u32 last_gorlbc;
158	u32 last_gprlbc;
159
160	u64 gprc;
161	u64 gptc;
162	u64 gorc;
163	u64 gotc;
164	u64 mprc;
165	u64 gotlbc;
166	u64 gptlbc;
167	u64 gorlbc;
168	u64 gprlbc;
169	};
170
171	#include "mbx.h"
172
173	struct e1000_mac_operations {
174	/* Function pointers for the MAC. */
175	s32 (init_params)(struct e1000_hw );
176	s32 (check_for_link)(struct e1000_hw );
177	void (clear_vfta)(struct e1000_hw );
178	s32 (get_bus_info)(struct e1000_hw );
179	s32 (get_link_up_info)(struct e1000_hw , u16 , u16 );
180	void (update_mc_addr_list)(struct e1000_hw , u8 *, u32, u32, u32);
181	s32 (reset_hw)(struct e1000_hw );
182	s32 (init_hw)(struct e1000_hw );
183	s32 (setup_link)(struct e1000_hw );
184	void (write_vfta)(struct e1000_hw , u32, u32);
185	void (mta_set)(struct e1000_hw , u32);
186	void (rar_set)(struct e1000_hw , u8*, u32);
187	s32 (read_mac_addr)(struct e1000_hw );
188	s32 (set_vfta)(struct e1000_hw , u16, bool);
189	};
190
191	struct e1000_mac_info {
192	struct e1000_mac_operations ops;
193	u8 addr[6];
194	u8 perm_addr[6];
195
196	enum e1000_mac_type type;
197
198	u16 mta_reg_count;
199	u16 rar_entry_count;
200
201	bool get_link_status;
202	};
203
204	struct e1000_mbx_operations {
205	s32 (init_params)(struct e1000_hw hw);
206	s32 (read)(struct e1000_hw , u32 *, u16);
207	s32 (write)(struct e1000_hw , u32 *, u16);
208	s32 (read_posted)(struct e1000_hw , u32 *, u16);
209	s32 (write_posted)(struct e1000_hw , u32 *, u16);
210	s32 (check_for_msg)(struct e1000_hw );
211	s32 (check_for_ack)(struct e1000_hw );
212	s32 (check_for_rst)(struct e1000_hw );
213	};
214
215	struct e1000_mbx_stats {
216	u32 msgs_tx;
217	u32 msgs_rx;
218
219	u32 acks;
220	u32 reqs;
221	u32 rsts;
222	};
223
224	struct e1000_mbx_info {
225	struct e1000_mbx_operations ops;
226	struct e1000_mbx_stats stats;
227	u32 timeout;
228	u32 usec_delay;
229	u16 size;
230	};
231
232	struct e1000_dev_spec_vf {
233	u32 vf_number;
234	u32 v2p_mailbox;
235	};
236
237	struct e1000_hw {
238	void *back;
239
240	u8 __iomem *hw_addr;
241	u8 __iomem *flash_address;
242	unsigned long io_base;
243
244	struct e1000_mac_info mac;
245	struct e1000_mbx_info mbx;
246
247	union {
248	struct e1000_dev_spec_vf vf;
249	} dev_spec;
250
251	u16 device_id;
252	u16 subsystem_vendor_id;
253	u16 subsystem_device_id;
254	u16 vendor_id;
255
256	u8 revision_id;
257	};
258
259	/* These functions must be implemented by drivers */
260	void e1000_rlpml_set_vf(struct e1000_hw *, u16);
261	void e1000_init_function_pointers_vf(struct e1000_hw *hw);
d4e0fe01 AD	262
	263
	264	#endif /* _E1000_VF_H_ */