Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / cnic.h
bloba94b302bb4648d751053b8cc8eea98473c12c1f6
1 /* cnic.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2009 Broadcom Corporation
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.
9 */
12 #ifndef CNIC_H
13 #define CNIC_H
15 #define KWQ_PAGE_CNT 4
16 #define KCQ_PAGE_CNT 16
18 #define KWQ_CID 24
19 #define KCQ_CID 25
22 * krnlq_context definition
24 #define L5_KRNLQ_FLAGS 0x00000000
25 #define L5_KRNLQ_SIZE 0x00000000
26 #define L5_KRNLQ_TYPE 0x00000000
27 #define KRNLQ_FLAGS_PG_SZ (0xf<<0)
28 #define KRNLQ_FLAGS_PG_SZ_256 (0<<0)
29 #define KRNLQ_FLAGS_PG_SZ_512 (1<<0)
30 #define KRNLQ_FLAGS_PG_SZ_1K (2<<0)
31 #define KRNLQ_FLAGS_PG_SZ_2K (3<<0)
32 #define KRNLQ_FLAGS_PG_SZ_4K (4<<0)
33 #define KRNLQ_FLAGS_PG_SZ_8K (5<<0)
34 #define KRNLQ_FLAGS_PG_SZ_16K (6<<0)
35 #define KRNLQ_FLAGS_PG_SZ_32K (7<<0)
36 #define KRNLQ_FLAGS_PG_SZ_64K (8<<0)
37 #define KRNLQ_FLAGS_PG_SZ_128K (9<<0)
38 #define KRNLQ_FLAGS_PG_SZ_256K (10<<0)
39 #define KRNLQ_FLAGS_PG_SZ_512K (11<<0)
40 #define KRNLQ_FLAGS_PG_SZ_1M (12<<0)
41 #define KRNLQ_FLAGS_PG_SZ_2M (13<<0)
42 #define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15)
43 #define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
44 #define KRNLQ_TYPE_TYPE (0xf<<28)
45 #define KRNLQ_TYPE_TYPE_EMPTY (0<<28)
46 #define KRNLQ_TYPE_TYPE_KRNLQ (6<<28)
48 #define L5_KRNLQ_HOST_QIDX 0x00000004
49 #define L5_KRNLQ_HOST_FW_QIDX 0x00000008
50 #define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c
51 #define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c
52 #define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010
53 #define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014
54 #define L5_KRNLQ_PGTBL_PGIDX 0x00000018
55 #define L5_KRNLQ_NX_PG_QIDX 0x00000018
56 #define L5_KRNLQ_PGTBL_NPAGES 0x0000001c
57 #define L5_KRNLQ_QIDX_INCR 0x0000001c
58 #define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020
59 #define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024
61 #define BNX2_PG_CTX_MAP 0x1a0034
62 #define BNX2_ISCSI_CTX_MAP 0x1a0074
64 struct cnic_redirect_entry {
65 struct dst_entry *old_dst;
66 struct dst_entry *new_dst;
69 #define MAX_COMPLETED_KCQE 64
71 #define MAX_CNIC_L5_CONTEXT 256
73 #define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT
75 #define MAX_ISCSI_TBL_SZ 256
77 #define CNIC_LOCAL_PORT_MIN 60000
78 #define CNIC_LOCAL_PORT_MAX 61000
79 #define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
81 #define KWQE_CNT (BCM_PAGE_SIZE / sizeof(struct kwqe))
82 #define KCQE_CNT (BCM_PAGE_SIZE / sizeof(struct kcqe))
83 #define MAX_KWQE_CNT (KWQE_CNT - 1)
84 #define MAX_KCQE_CNT (KCQE_CNT - 1)
86 #define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
87 #define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
89 #define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BCM_PAGE_BITS - 5))
90 #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
92 #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BCM_PAGE_BITS - 5))
93 #define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
95 #define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \
96 (MAX_KCQE_CNT - 1)) ? \
97 (x) + 2 : (x) + 1
99 #define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
100 #define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
101 #define BNX2X_KWQ_DATA(cp, x) \
102 &(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
104 #define DEF_IPID_COUNT 0xc001
106 #define DEF_KA_TIMEOUT 10000
107 #define DEF_KA_INTERVAL 300000
108 #define DEF_KA_MAX_PROBE_COUNT 3
109 #define DEF_TOS 0
110 #define DEF_TTL 0xfe
111 #define DEF_SND_SEQ_SCALE 0
112 #define DEF_RCV_BUF 0xffff
113 #define DEF_SND_BUF 0xffff
114 #define DEF_SEED 0
115 #define DEF_MAX_RT_TIME 500
116 #define DEF_MAX_DA_COUNT 2
117 #define DEF_SWS_TIMER 1000
118 #define DEF_MAX_CWND 0xffff
120 struct cnic_ctx {
121 u32 cid;
122 void *ctx;
123 dma_addr_t mapping;
126 #define BNX2_MAX_CID 0x2000
128 struct cnic_dma {
129 int num_pages;
130 void **pg_arr;
131 dma_addr_t *pg_map_arr;
132 int pgtbl_size;
133 u32 *pgtbl;
134 dma_addr_t pgtbl_map;
137 struct cnic_id_tbl {
138 spinlock_t lock;
139 u32 start;
140 u32 max;
141 u32 next;
142 unsigned long *table;
145 #define CNIC_KWQ16_DATA_SIZE 128
147 struct kwqe_16_data {
148 u8 data[CNIC_KWQ16_DATA_SIZE];
151 struct cnic_iscsi {
152 struct cnic_dma task_array_info;
153 struct cnic_dma r2tq_info;
154 struct cnic_dma hq_info;
157 struct cnic_context {
158 u32 cid;
159 struct kwqe_16_data *kwqe_data;
160 dma_addr_t kwqe_data_mapping;
161 wait_queue_head_t waitq;
162 int wait_cond;
163 unsigned long timestamp;
164 u32 ctx_flags;
165 #define CTX_FL_OFFLD_START 0x00000001
166 u8 ulp_proto_id;
167 union {
168 struct cnic_iscsi *iscsi;
169 } proto;
172 struct cnic_local {
174 spinlock_t cnic_ulp_lock;
175 void *ulp_handle[MAX_CNIC_ULP_TYPE];
176 unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
177 #define ULP_F_INIT 0
178 #define ULP_F_START 1
179 #define ULP_F_CALL_PENDING 2
180 struct cnic_ulp_ops *ulp_ops[MAX_CNIC_ULP_TYPE];
182 /* protected by ulp_lock */
183 u32 cnic_local_flags;
184 #define CNIC_LCL_FL_KWQ_INIT 0x00000001
186 struct cnic_dev *dev;
188 struct cnic_eth_dev *ethdev;
190 void *l2_ring;
191 dma_addr_t l2_ring_map;
192 int l2_ring_size;
193 int l2_rx_ring_size;
195 void *l2_buf;
196 dma_addr_t l2_buf_map;
197 int l2_buf_size;
198 int l2_single_buf_size;
200 u16 *rx_cons_ptr;
201 u16 *tx_cons_ptr;
202 u16 rx_cons;
203 u16 tx_cons;
205 u32 kwq_cid_addr;
206 u32 kcq_cid_addr;
208 struct cnic_dma kwq_info;
209 struct kwqe **kwq;
211 struct cnic_dma kwq_16_data_info;
213 u16 max_kwq_idx;
215 u16 kwq_prod_idx;
216 u32 kwq_io_addr;
218 u16 *kwq_con_idx_ptr;
219 u16 kwq_con_idx;
221 struct cnic_dma kcq_info;
222 struct kcqe **kcq;
224 u16 kcq_prod_idx;
225 u32 kcq_io_addr;
227 void *status_blk;
228 struct status_block_msix *bnx2_status_blk;
229 struct host_status_block *bnx2x_status_blk;
231 u32 status_blk_num;
232 u32 int_num;
233 u32 last_status_idx;
234 struct tasklet_struct cnic_irq_task;
236 struct kcqe *completed_kcq[MAX_COMPLETED_KCQE];
238 struct cnic_sock *csk_tbl;
239 struct cnic_id_tbl csk_port_tbl;
241 struct cnic_dma conn_buf_info;
242 struct cnic_dma gbl_buf_info;
244 struct cnic_iscsi *iscsi_tbl;
245 struct cnic_context *ctx_tbl;
246 struct cnic_id_tbl cid_tbl;
247 int max_iscsi_conn;
248 atomic_t iscsi_conn;
250 /* per connection parameters */
251 int num_iscsi_tasks;
252 int num_ccells;
253 int task_array_size;
254 int r2tq_size;
255 int hq_size;
256 int num_cqs;
258 struct cnic_ctx *ctx_arr;
259 int ctx_blks;
260 int ctx_blk_size;
261 int cids_per_blk;
263 u32 chip_id;
264 int func;
265 u32 shmem_base;
267 u32 uio_dev;
268 struct uio_info *cnic_uinfo;
270 struct cnic_ops *cnic_ops;
271 int (*start_hw)(struct cnic_dev *);
272 void (*stop_hw)(struct cnic_dev *);
273 void (*setup_pgtbl)(struct cnic_dev *,
274 struct cnic_dma *);
275 int (*alloc_resc)(struct cnic_dev *);
276 void (*free_resc)(struct cnic_dev *);
277 int (*start_cm)(struct cnic_dev *);
278 void (*stop_cm)(struct cnic_dev *);
279 void (*enable_int)(struct cnic_dev *);
280 void (*disable_int_sync)(struct cnic_dev *);
281 void (*ack_int)(struct cnic_dev *);
282 void (*close_conn)(struct cnic_sock *, u32 opcode);
283 u16 (*next_idx)(u16);
284 u16 (*hw_idx)(u16);
287 struct bnx2x_bd_chain_next {
288 u32 addr_lo;
289 u32 addr_hi;
290 u8 reserved[8];
293 #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN)
294 #define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT)
296 #define CDU_REGION_NUMBER_XCM_AG 2
297 #define CDU_REGION_NUMBER_UCM_AG 4
299 #endif