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Michael Chana4636962009-06-08 18:14:43 -07001/* cnic_if.h: Broadcom CNIC core network driver.
2 *
Michael Chan1d9cfc42010-02-24 14:42:09 +00003 * Copyright (c) 2006-2010 Broadcom Corporation
Michael Chana4636962009-06-08 18:14:43 -07004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 */
10
11
12#ifndef CNIC_IF_H
13#define CNIC_IF_H
14
Michael Chan72b8a162010-06-24 14:58:42 +000015#define CNIC_MODULE_VERSION "2.1.3"
16#define CNIC_MODULE_RELDATE "June 24, 2010"
Michael Chana4636962009-06-08 18:14:43 -070017
18#define CNIC_ULP_RDMA 0
19#define CNIC_ULP_ISCSI 1
20#define CNIC_ULP_L4 2
21#define MAX_CNIC_ULP_TYPE_EXT 2
22#define MAX_CNIC_ULP_TYPE 3
23
24struct kwqe {
25 u32 kwqe_op_flag;
26
27#define KWQE_OPCODE_MASK 0x00ff0000
28#define KWQE_OPCODE_SHIFT 16
29#define KWQE_FLAGS_LAYER_SHIFT 28
30#define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
31
32 u32 kwqe_info0;
33 u32 kwqe_info1;
34 u32 kwqe_info2;
35 u32 kwqe_info3;
36 u32 kwqe_info4;
37 u32 kwqe_info5;
38 u32 kwqe_info6;
39};
40
41struct kwqe_16 {
42 u32 kwqe_info0;
43 u32 kwqe_info1;
44 u32 kwqe_info2;
45 u32 kwqe_info3;
46};
47
48struct kcqe {
49 u32 kcqe_info0;
50 u32 kcqe_info1;
51 u32 kcqe_info2;
52 u32 kcqe_info3;
53 u32 kcqe_info4;
54 u32 kcqe_info5;
55 u32 kcqe_info6;
56 u32 kcqe_op_flag;
57 #define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */
58 #define KCQE_FLAGS_LAYER_MASK (0x7<<28)
59 #define KCQE_FLAGS_LAYER_MASK_MISC (0<<28)
60 #define KCQE_FLAGS_LAYER_MASK_L2 (2<<28)
61 #define KCQE_FLAGS_LAYER_MASK_L3 (3<<28)
62 #define KCQE_FLAGS_LAYER_MASK_L4 (4<<28)
63 #define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
64 #define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
65 #define KCQE_FLAGS_NEXT (1<<31)
66 #define KCQE_FLAGS_OPCODE_MASK (0xff<<16)
67 #define KCQE_FLAGS_OPCODE_SHIFT (16)
68 #define KCQE_OPCODE(op) \
69 (((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT)
70};
71
72#define MAX_CNIC_CTL_DATA 64
73#define MAX_DRV_CTL_DATA 64
74
75#define CNIC_CTL_STOP_CMD 1
76#define CNIC_CTL_START_CMD 2
77#define CNIC_CTL_COMPLETION_CMD 3
78
79#define DRV_CTL_IO_WR_CMD 0x101
80#define DRV_CTL_IO_RD_CMD 0x102
81#define DRV_CTL_CTX_WR_CMD 0x103
82#define DRV_CTL_CTXTBL_WR_CMD 0x104
83#define DRV_CTL_COMPLETION_CMD 0x105
Michael Chan993ac7b2009-10-10 13:46:56 +000084#define DRV_CTL_START_L2_CMD 0x106
85#define DRV_CTL_STOP_L2_CMD 0x107
Michael Chana4636962009-06-08 18:14:43 -070086
87struct cnic_ctl_completion {
88 u32 cid;
89};
90
91struct drv_ctl_completion {
92 u32 comp_count;
93};
94
95struct cnic_ctl_info {
96 int cmd;
97 union {
98 struct cnic_ctl_completion comp;
99 char bytes[MAX_CNIC_CTL_DATA];
100 } data;
101};
102
103struct drv_ctl_io {
104 u32 cid_addr;
105 u32 offset;
106 u32 data;
107 dma_addr_t dma_addr;
108};
109
Michael Chan993ac7b2009-10-10 13:46:56 +0000110struct drv_ctl_l2_ring {
111 u32 client_id;
112 u32 cid;
113};
114
Michael Chana4636962009-06-08 18:14:43 -0700115struct drv_ctl_info {
116 int cmd;
117 union {
118 struct drv_ctl_completion comp;
119 struct drv_ctl_io io;
Michael Chan993ac7b2009-10-10 13:46:56 +0000120 struct drv_ctl_l2_ring ring;
Michael Chana4636962009-06-08 18:14:43 -0700121 char bytes[MAX_DRV_CTL_DATA];
122 } data;
123};
124
125struct cnic_ops {
126 struct module *cnic_owner;
127 /* Calls to these functions are protected by RCU. When
128 * unregistering, we wait for any calls to complete before
129 * continuing.
130 */
131 int (*cnic_handler)(void *, void *);
132 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
133};
134
135#define MAX_CNIC_VEC 8
136
137struct cnic_irq {
138 unsigned int vector;
139 void *status_blk;
140 u32 status_blk_num;
141 u32 irq_flags;
142#define CNIC_IRQ_FL_MSIX 0x00000001
143};
144
145struct cnic_eth_dev {
146 struct module *drv_owner;
147 u32 drv_state;
148#define CNIC_DRV_STATE_REGD 0x00000001
149#define CNIC_DRV_STATE_USING_MSIX 0x00000002
150 u32 chip_id;
151 u32 max_kwqe_pending;
152 struct pci_dev *pdev;
153 void __iomem *io_base;
Michael Chan993ac7b2009-10-10 13:46:56 +0000154 void __iomem *io_base2;
Michael Chana4636962009-06-08 18:14:43 -0700155
156 u32 ctx_tbl_offset;
157 u32 ctx_tbl_len;
158 int ctx_blk_size;
159 u32 starting_cid;
160 u32 max_iscsi_conn;
161 u32 max_fcoe_conn;
162 u32 max_rdma_conn;
163 u32 reserved0[2];
164
165 int num_irq;
166 struct cnic_irq irq_arr[MAX_CNIC_VEC];
167 int (*drv_register_cnic)(struct net_device *,
168 struct cnic_ops *, void *);
169 int (*drv_unregister_cnic)(struct net_device *);
170 int (*drv_submit_kwqes_32)(struct net_device *,
171 struct kwqe *[], u32);
172 int (*drv_submit_kwqes_16)(struct net_device *,
173 struct kwqe_16 *[], u32);
174 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *);
175 unsigned long reserved1[2];
176};
177
178struct cnic_sockaddr {
179 union {
180 struct sockaddr_in v4;
181 struct sockaddr_in6 v6;
182 } local;
183 union {
184 struct sockaddr_in v4;
185 struct sockaddr_in6 v6;
186 } remote;
187};
188
189struct cnic_sock {
190 struct cnic_dev *dev;
191 void *context;
192 u32 src_ip[4];
193 u32 dst_ip[4];
194 u16 src_port;
195 u16 dst_port;
196 u16 vlan_id;
197 unsigned char old_ha[6];
198 unsigned char ha[6];
199 u32 mtu;
200 u32 cid;
201 u32 l5_cid;
202 u32 pg_cid;
203 int ulp_type;
204
205 u32 ka_timeout;
206 u32 ka_interval;
207 u8 ka_max_probe_count;
208 u8 tos;
209 u8 ttl;
210 u8 snd_seq_scale;
211 u32 rcv_buf;
212 u32 snd_buf;
213 u32 seed;
214
215 unsigned long tcp_flags;
216#define SK_TCP_NO_DELAY_ACK 0x1
217#define SK_TCP_KEEP_ALIVE 0x2
218#define SK_TCP_NAGLE 0x4
219#define SK_TCP_TIMESTAMP 0x8
220#define SK_TCP_SACK 0x10
221#define SK_TCP_SEG_SCALING 0x20
222 unsigned long flags;
223#define SK_F_INUSE 0
224#define SK_F_OFFLD_COMPLETE 1
225#define SK_F_OFFLD_SCHED 2
226#define SK_F_PG_OFFLD_COMPLETE 3
227#define SK_F_CONNECT_START 4
228#define SK_F_IPV6 5
229#define SK_F_CLOSING 7
230
231 atomic_t ref_count;
232 u32 state;
233 struct kwqe kwqe1;
234 struct kwqe kwqe2;
235 struct kwqe kwqe3;
236};
237
238struct cnic_dev {
239 struct net_device *netdev;
240 struct pci_dev *pcidev;
241 void __iomem *regview;
242 struct list_head list;
243
244 int (*register_device)(struct cnic_dev *dev, int ulp_type,
245 void *ulp_ctx);
246 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
247 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
248 u32 num_wqes);
249 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
250 u32 num_wqes);
251
252 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
253 void *);
254 int (*cm_destroy)(struct cnic_sock *);
255 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
256 int (*cm_abort)(struct cnic_sock *);
257 int (*cm_close)(struct cnic_sock *);
258 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
259 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
260 char *data, u16 data_size);
261 unsigned long flags;
262#define CNIC_F_CNIC_UP 1
263#define CNIC_F_BNX2_CLASS 3
264#define CNIC_F_BNX2X_CLASS 4
265 atomic_t ref_count;
266 u8 mac_addr[6];
267
268 int max_iscsi_conn;
269 int max_fcoe_conn;
270 int max_rdma_conn;
271
272 void *cnic_priv;
273};
274
275#define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
276#define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
277#define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
278#define CNIC_RD(dev, off) readl(dev->regview + off)
279#define CNIC_RD16(dev, off) readw(dev->regview + off)
280
281struct cnic_ulp_ops {
282 /* Calls to these functions are protected by RCU. When
283 * unregistering, we wait for any calls to complete before
284 * continuing.
285 */
286
287 void (*cnic_init)(struct cnic_dev *dev);
288 void (*cnic_exit)(struct cnic_dev *dev);
289 void (*cnic_start)(void *ulp_ctx);
290 void (*cnic_stop)(void *ulp_ctx);
291 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
292 u32 num_cqes);
293 void (*indicate_netevent)(void *ulp_ctx, unsigned long event);
294 void (*cm_connect_complete)(struct cnic_sock *);
295 void (*cm_close_complete)(struct cnic_sock *);
296 void (*cm_abort_complete)(struct cnic_sock *);
297 void (*cm_remote_close)(struct cnic_sock *);
298 void (*cm_remote_abort)(struct cnic_sock *);
299 void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type,
300 char *data, u16 data_size);
301 struct module *owner;
Michael Chan7fc1ece2009-08-14 15:49:47 +0000302 atomic_t ref_count;
Michael Chana4636962009-06-08 18:14:43 -0700303};
304
305extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
306
307extern int cnic_unregister_driver(int ulp_type);
308
Michael Chane2ee3612009-06-13 17:43:02 -0700309extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
Michael Chan993ac7b2009-10-10 13:46:56 +0000310extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
Michael Chane2ee3612009-06-13 17:43:02 -0700311
Michael Chana4636962009-06-08 18:14:43 -0700312#endif