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crypto: qat - change the adf_ctl_stop_devices to void
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / qlogic / netxen / netxen_nic_hw.c
1 /*
2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
4 * All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 *
19 * The full GNU General Public License is included in this distribution
20 * in the file called "COPYING".
21 *
22 */
23
24 #include <linux/slab.h>
25 #include "netxen_nic.h"
26 #include "netxen_nic_hw.h"
27
28 #include <net/ip.h>
29
30 #define MASK(n) ((1ULL<<(n))-1)
31 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
32 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
33 #define MS_WIN(addr) (addr & 0x0ffc0000)
34
35 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
36
37 #define CRB_BLK(off) ((off >> 20) & 0x3f)
38 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
39 #define CRB_WINDOW_2M (0x130060)
40 #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
41 #define CRB_INDIRECT_2M (0x1e0000UL)
42
43 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
44 void __iomem *addr, u32 data);
45 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
46 void __iomem *addr);
47 #ifndef readq
48 static inline u64 readq(void __iomem *addr)
49 {
50 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
51 }
52 #endif
53
54 #ifndef writeq
55 static inline void writeq(u64 val, void __iomem *addr)
56 {
57 writel(((u32) (val)), (addr));
58 writel(((u32) (val >> 32)), (addr + 4));
59 }
60 #endif
61
62 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \
63 ((adapter)->ahw.pci_base0 + (off))
64 #define PCI_OFFSET_SECOND_RANGE(adapter, off) \
65 ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START)
66 #define PCI_OFFSET_THIRD_RANGE(adapter, off) \
67 ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START)
68
69 static void __iomem *pci_base_offset(struct netxen_adapter *adapter,
70 unsigned long off)
71 {
72 if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END))
73 return PCI_OFFSET_FIRST_RANGE(adapter, off);
74
75 if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END))
76 return PCI_OFFSET_SECOND_RANGE(adapter, off);
77
78 if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END))
79 return PCI_OFFSET_THIRD_RANGE(adapter, off);
80
81 return NULL;
82 }
83
84 static crb_128M_2M_block_map_t
85 crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
86 {{{0, 0, 0, 0} } }, /* 0: PCI */
87 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
88 {1, 0x0110000, 0x0120000, 0x130000},
89 {1, 0x0120000, 0x0122000, 0x124000},
90 {1, 0x0130000, 0x0132000, 0x126000},
91 {1, 0x0140000, 0x0142000, 0x128000},
92 {1, 0x0150000, 0x0152000, 0x12a000},
93 {1, 0x0160000, 0x0170000, 0x110000},
94 {1, 0x0170000, 0x0172000, 0x12e000},
95 {0, 0x0000000, 0x0000000, 0x000000},
96 {0, 0x0000000, 0x0000000, 0x000000},
97 {0, 0x0000000, 0x0000000, 0x000000},
98 {0, 0x0000000, 0x0000000, 0x000000},
99 {0, 0x0000000, 0x0000000, 0x000000},
100 {0, 0x0000000, 0x0000000, 0x000000},
101 {1, 0x01e0000, 0x01e0800, 0x122000},
102 {0, 0x0000000, 0x0000000, 0x000000} } },
103 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
104 {{{0, 0, 0, 0} } }, /* 3: */
105 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
106 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
107 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
108 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
109 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
110 {0, 0x0000000, 0x0000000, 0x000000},
111 {0, 0x0000000, 0x0000000, 0x000000},
112 {0, 0x0000000, 0x0000000, 0x000000},
113 {0, 0x0000000, 0x0000000, 0x000000},
114 {0, 0x0000000, 0x0000000, 0x000000},
115 {0, 0x0000000, 0x0000000, 0x000000},
116 {0, 0x0000000, 0x0000000, 0x000000},
117 {0, 0x0000000, 0x0000000, 0x000000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {1, 0x08f0000, 0x08f2000, 0x172000} } },
125 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
126 {0, 0x0000000, 0x0000000, 0x000000},
127 {0, 0x0000000, 0x0000000, 0x000000},
128 {0, 0x0000000, 0x0000000, 0x000000},
129 {0, 0x0000000, 0x0000000, 0x000000},
130 {0, 0x0000000, 0x0000000, 0x000000},
131 {0, 0x0000000, 0x0000000, 0x000000},
132 {0, 0x0000000, 0x0000000, 0x000000},
133 {0, 0x0000000, 0x0000000, 0x000000},
134 {0, 0x0000000, 0x0000000, 0x000000},
135 {0, 0x0000000, 0x0000000, 0x000000},
136 {0, 0x0000000, 0x0000000, 0x000000},
137 {0, 0x0000000, 0x0000000, 0x000000},
138 {0, 0x0000000, 0x0000000, 0x000000},
139 {0, 0x0000000, 0x0000000, 0x000000},
140 {1, 0x09f0000, 0x09f2000, 0x176000} } },
141 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {0, 0x0000000, 0x0000000, 0x000000},
144 {0, 0x0000000, 0x0000000, 0x000000},
145 {0, 0x0000000, 0x0000000, 0x000000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {0, 0x0000000, 0x0000000, 0x000000},
148 {0, 0x0000000, 0x0000000, 0x000000},
149 {0, 0x0000000, 0x0000000, 0x000000},
150 {0, 0x0000000, 0x0000000, 0x000000},
151 {0, 0x0000000, 0x0000000, 0x000000},
152 {0, 0x0000000, 0x0000000, 0x000000},
153 {0, 0x0000000, 0x0000000, 0x000000},
154 {0, 0x0000000, 0x0000000, 0x000000},
155 {0, 0x0000000, 0x0000000, 0x000000},
156 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
157 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000},
167 {0, 0x0000000, 0x0000000, 0x000000},
168 {0, 0x0000000, 0x0000000, 0x000000},
169 {0, 0x0000000, 0x0000000, 0x000000},
170 {0, 0x0000000, 0x0000000, 0x000000},
171 {0, 0x0000000, 0x0000000, 0x000000},
172 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
173 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
174 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
175 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
176 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
177 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
178 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
179 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
180 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
181 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
182 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
183 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
184 {{{0, 0, 0, 0} } }, /* 23: */
185 {{{0, 0, 0, 0} } }, /* 24: */
186 {{{0, 0, 0, 0} } }, /* 25: */
187 {{{0, 0, 0, 0} } }, /* 26: */
188 {{{0, 0, 0, 0} } }, /* 27: */
189 {{{0, 0, 0, 0} } }, /* 28: */
190 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
191 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
192 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
193 {{{0} } }, /* 32: PCI */
194 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
195 {1, 0x2110000, 0x2120000, 0x130000},
196 {1, 0x2120000, 0x2122000, 0x124000},
197 {1, 0x2130000, 0x2132000, 0x126000},
198 {1, 0x2140000, 0x2142000, 0x128000},
199 {1, 0x2150000, 0x2152000, 0x12a000},
200 {1, 0x2160000, 0x2170000, 0x110000},
201 {1, 0x2170000, 0x2172000, 0x12e000},
202 {0, 0x0000000, 0x0000000, 0x000000},
203 {0, 0x0000000, 0x0000000, 0x000000},
204 {0, 0x0000000, 0x0000000, 0x000000},
205 {0, 0x0000000, 0x0000000, 0x000000},
206 {0, 0x0000000, 0x0000000, 0x000000},
207 {0, 0x0000000, 0x0000000, 0x000000},
208 {0, 0x0000000, 0x0000000, 0x000000},
209 {0, 0x0000000, 0x0000000, 0x000000} } },
210 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
211 {{{0} } }, /* 35: */
212 {{{0} } }, /* 36: */
213 {{{0} } }, /* 37: */
214 {{{0} } }, /* 38: */
215 {{{0} } }, /* 39: */
216 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
217 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
218 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
219 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
220 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
221 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
222 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
223 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
224 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
225 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
226 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
227 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
228 {{{0} } }, /* 52: */
229 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
230 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
231 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
232 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
233 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
234 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
235 {{{0} } }, /* 59: I2C0 */
236 {{{0} } }, /* 60: I2C1 */
237 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
238 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
239 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
240 };
241
242 /*
243 * top 12 bits of crb internal address (hub, agent)
244 */
245 static unsigned crb_hub_agt[64] =
246 {
247 0,
248 NETXEN_HW_CRB_HUB_AGT_ADR_PS,
249 NETXEN_HW_CRB_HUB_AGT_ADR_MN,
250 NETXEN_HW_CRB_HUB_AGT_ADR_MS,
251 0,
252 NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
253 NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
254 NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
255 NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
256 NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
257 NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
258 NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
259 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
260 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
261 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
262 NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
263 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
264 NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
265 NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
266 NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
267 NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
268 NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
269 NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
270 NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
271 NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
272 NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
273 NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
274 0,
275 NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
276 NETXEN_HW_CRB_HUB_AGT_ADR_SN,
277 0,
278 NETXEN_HW_CRB_HUB_AGT_ADR_EG,
279 0,
280 NETXEN_HW_CRB_HUB_AGT_ADR_PS,
281 NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
282 0,
283 0,
284 0,
285 0,
286 0,
287 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
288 0,
289 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
290 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
291 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
292 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
293 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
294 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
295 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
296 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
297 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
298 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
299 0,
300 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
301 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
302 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
303 NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
304 0,
305 NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
306 NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
307 NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
308 0,
309 NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
310 0,
311 };
312
313 /* PCI Windowing for DDR regions. */
314
315 #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
316
317 #define NETXEN_PCIE_SEM_TIMEOUT 10000
318
319 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
320
321 int
322 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
323 {
324 int done = 0, timeout = 0;
325
326 while (!done) {
327 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem)));
328 if (done == 1)
329 break;
330 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
331 return -EIO;
332 msleep(1);
333 }
334
335 if (id_reg)
336 NXWR32(adapter, id_reg, adapter->portnum);
337
338 return 0;
339 }
340
341 void
342 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem)
343 {
344 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
345 }
346
347 static int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
348 {
349 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
350 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
351 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
352 }
353
354 return 0;
355 }
356
357 /* Disable an XG interface */
358 static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
359 {
360 __u32 mac_cfg;
361 u32 port = adapter->physical_port;
362
363 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
364 return 0;
365
366 if (port >= NETXEN_NIU_MAX_XG_PORTS)
367 return -EINVAL;
368
369 mac_cfg = 0;
370 if (NXWR32(adapter,
371 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg))
372 return -EIO;
373 return 0;
374 }
375
376 #define NETXEN_UNICAST_ADDR(port, index) \
377 (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
378 #define NETXEN_MCAST_ADDR(port, index) \
379 (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
380 #define MAC_HI(addr) \
381 ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
382 #define MAC_LO(addr) \
383 ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
384
385 static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
386 {
387 u32 mac_cfg;
388 u32 cnt = 0;
389 __u32 reg = 0x0200;
390 u32 port = adapter->physical_port;
391 u16 board_type = adapter->ahw.board_type;
392
393 if (port >= NETXEN_NIU_MAX_XG_PORTS)
394 return -EINVAL;
395
396 mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
397 mac_cfg &= ~0x4;
398 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
399
400 if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
401 (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
402 reg = (0x20 << port);
403
404 NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
405
406 mdelay(10);
407
408 while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
409 mdelay(10);
410
411 if (cnt < 20) {
412
413 reg = NXRD32(adapter,
414 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
415
416 if (mode == NETXEN_NIU_PROMISC_MODE)
417 reg = (reg | 0x2000UL);
418 else
419 reg = (reg & ~0x2000UL);
420
421 if (mode == NETXEN_NIU_ALLMULTI_MODE)
422 reg = (reg | 0x1000UL);
423 else
424 reg = (reg & ~0x1000UL);
425
426 NXWR32(adapter,
427 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
428 }
429
430 mac_cfg |= 0x4;
431 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
432
433 return 0;
434 }
435
436 static int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
437 {
438 u32 mac_hi, mac_lo;
439 u32 reg_hi, reg_lo;
440
441 u8 phy = adapter->physical_port;
442
443 if (phy >= NETXEN_NIU_MAX_XG_PORTS)
444 return -EINVAL;
445
446 mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24);
447 mac_hi = addr[2] | ((u32)addr[3] << 8) |
448 ((u32)addr[4] << 16) | ((u32)addr[5] << 24);
449
450 reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy);
451 reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy);
452
453 /* write twice to flush */
454 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
455 return -EIO;
456 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
457 return -EIO;
458
459 return 0;
460 }
461
462 static int
463 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
464 {
465 u32 val = 0;
466 u16 port = adapter->physical_port;
467 u8 *addr = adapter->mac_addr;
468
469 if (adapter->mc_enabled)
470 return 0;
471
472 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
473 val |= (1UL << (28+port));
474 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
475
476 /* add broadcast addr to filter */
477 val = 0xffffff;
478 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
479 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
480
481 /* add station addr to filter */
482 val = MAC_HI(addr);
483 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
484 val = MAC_LO(addr);
485 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val);
486
487 adapter->mc_enabled = 1;
488 return 0;
489 }
490
491 static int
492 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
493 {
494 u32 val = 0;
495 u16 port = adapter->physical_port;
496 u8 *addr = adapter->mac_addr;
497
498 if (!adapter->mc_enabled)
499 return 0;
500
501 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
502 val &= ~(1UL << (28+port));
503 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
504
505 val = MAC_HI(addr);
506 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
507 val = MAC_LO(addr);
508 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
509
510 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
511 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
512
513 adapter->mc_enabled = 0;
514 return 0;
515 }
516
517 static int
518 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
519 int index, u8 *addr)
520 {
521 u32 hi = 0, lo = 0;
522 u16 port = adapter->physical_port;
523
524 lo = MAC_LO(addr);
525 hi = MAC_HI(addr);
526
527 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi);
528 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo);
529
530 return 0;
531 }
532
533 static void netxen_p2_nic_set_multi(struct net_device *netdev)
534 {
535 struct netxen_adapter *adapter = netdev_priv(netdev);
536 struct netdev_hw_addr *ha;
537 u8 null_addr[ETH_ALEN];
538 int i;
539
540 eth_zero_addr(null_addr);
541
542 if (netdev->flags & IFF_PROMISC) {
543
544 adapter->set_promisc(adapter,
545 NETXEN_NIU_PROMISC_MODE);
546
547 /* Full promiscuous mode */
548 netxen_nic_disable_mcast_filter(adapter);
549
550 return;
551 }
552
553 if (netdev_mc_empty(netdev)) {
554 adapter->set_promisc(adapter,
555 NETXEN_NIU_NON_PROMISC_MODE);
556 netxen_nic_disable_mcast_filter(adapter);
557 return;
558 }
559
560 adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
561 if (netdev->flags & IFF_ALLMULTI ||
562 netdev_mc_count(netdev) > adapter->max_mc_count) {
563 netxen_nic_disable_mcast_filter(adapter);
564 return;
565 }
566
567 netxen_nic_enable_mcast_filter(adapter);
568
569 i = 0;
570 netdev_for_each_mc_addr(ha, netdev)
571 netxen_nic_set_mcast_addr(adapter, i++, ha->addr);
572
573 /* Clear out remaining addresses */
574 while (i < adapter->max_mc_count)
575 netxen_nic_set_mcast_addr(adapter, i++, null_addr);
576 }
577
578 static int
579 netxen_send_cmd_descs(struct netxen_adapter *adapter,
580 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
581 {
582 u32 i, producer, consumer;
583 struct netxen_cmd_buffer *pbuf;
584 struct cmd_desc_type0 *cmd_desc;
585 struct nx_host_tx_ring *tx_ring;
586
587 i = 0;
588
589 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
590 return -EIO;
591
592 tx_ring = adapter->tx_ring;
593 __netif_tx_lock_bh(tx_ring->txq);
594
595 producer = tx_ring->producer;
596 consumer = tx_ring->sw_consumer;
597
598 if (nr_desc >= netxen_tx_avail(tx_ring)) {
599 netif_tx_stop_queue(tx_ring->txq);
600 smp_mb();
601 if (netxen_tx_avail(tx_ring) > nr_desc) {
602 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
603 netif_tx_wake_queue(tx_ring->txq);
604 } else {
605 __netif_tx_unlock_bh(tx_ring->txq);
606 return -EBUSY;
607 }
608 }
609
610 do {
611 cmd_desc = &cmd_desc_arr[i];
612
613 pbuf = &tx_ring->cmd_buf_arr[producer];
614 pbuf->skb = NULL;
615 pbuf->frag_count = 0;
616
617 memcpy(&tx_ring->desc_head[producer],
618 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
619
620 producer = get_next_index(producer, tx_ring->num_desc);
621 i++;
622
623 } while (i != nr_desc);
624
625 tx_ring->producer = producer;
626
627 netxen_nic_update_cmd_producer(adapter, tx_ring);
628
629 __netif_tx_unlock_bh(tx_ring->txq);
630
631 return 0;
632 }
633
634 static int
635 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op)
636 {
637 nx_nic_req_t req;
638 nx_mac_req_t *mac_req;
639 u64 word;
640
641 memset(&req, 0, sizeof(nx_nic_req_t));
642 req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23);
643
644 word = NX_MAC_EVENT | ((u64)adapter->portnum << 16);
645 req.req_hdr = cpu_to_le64(word);
646
647 mac_req = (nx_mac_req_t *)&req.words[0];
648 mac_req->op = op;
649 memcpy(mac_req->mac_addr, addr, ETH_ALEN);
650
651 return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
652 }
653
654 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
655 const u8 *addr, struct list_head *del_list)
656 {
657 struct list_head *head;
658 nx_mac_list_t *cur;
659
660 /* look up if already exists */
661 list_for_each(head, del_list) {
662 cur = list_entry(head, nx_mac_list_t, list);
663
664 if (ether_addr_equal(addr, cur->mac_addr)) {
665 list_move_tail(head, &adapter->mac_list);
666 return 0;
667 }
668 }
669
670 cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC);
671 if (cur == NULL)
672 return -ENOMEM;
673
674 memcpy(cur->mac_addr, addr, ETH_ALEN);
675 list_add_tail(&cur->list, &adapter->mac_list);
676 return nx_p3_sre_macaddr_change(adapter,
677 cur->mac_addr, NETXEN_MAC_ADD);
678 }
679
680 static void netxen_p3_nic_set_multi(struct net_device *netdev)
681 {
682 struct netxen_adapter *adapter = netdev_priv(netdev);
683 struct netdev_hw_addr *ha;
684 static const u8 bcast_addr[ETH_ALEN] = {
685 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
686 };
687 u32 mode = VPORT_MISS_MODE_DROP;
688 LIST_HEAD(del_list);
689 struct list_head *head;
690 nx_mac_list_t *cur;
691
692 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
693 return;
694
695 list_splice_tail_init(&adapter->mac_list, &del_list);
696
697 nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list);
698 nx_p3_nic_add_mac(adapter, bcast_addr, &del_list);
699
700 if (netdev->flags & IFF_PROMISC) {
701 mode = VPORT_MISS_MODE_ACCEPT_ALL;
702 goto send_fw_cmd;
703 }
704
705 if ((netdev->flags & IFF_ALLMULTI) ||
706 (netdev_mc_count(netdev) > adapter->max_mc_count)) {
707 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
708 goto send_fw_cmd;
709 }
710
711 if (!netdev_mc_empty(netdev)) {
712 netdev_for_each_mc_addr(ha, netdev)
713 nx_p3_nic_add_mac(adapter, ha->addr, &del_list);
714 }
715
716 send_fw_cmd:
717 adapter->set_promisc(adapter, mode);
718 head = &del_list;
719 while (!list_empty(head)) {
720 cur = list_entry(head->next, nx_mac_list_t, list);
721
722 nx_p3_sre_macaddr_change(adapter,
723 cur->mac_addr, NETXEN_MAC_DEL);
724 list_del(&cur->list);
725 kfree(cur);
726 }
727 }
728
729 static int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
730 {
731 nx_nic_req_t req;
732 u64 word;
733
734 memset(&req, 0, sizeof(nx_nic_req_t));
735
736 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
737
738 word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
739 ((u64)adapter->portnum << 16);
740 req.req_hdr = cpu_to_le64(word);
741
742 req.words[0] = cpu_to_le64(mode);
743
744 return netxen_send_cmd_descs(adapter,
745 (struct cmd_desc_type0 *)&req, 1);
746 }
747
748 void netxen_p3_free_mac_list(struct netxen_adapter *adapter)
749 {
750 nx_mac_list_t *cur;
751 struct list_head *head = &adapter->mac_list;
752
753 while (!list_empty(head)) {
754 cur = list_entry(head->next, nx_mac_list_t, list);
755 nx_p3_sre_macaddr_change(adapter,
756 cur->mac_addr, NETXEN_MAC_DEL);
757 list_del(&cur->list);
758 kfree(cur);
759 }
760 }
761
762 static int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
763 {
764 /* assuming caller has already copied new addr to netdev */
765 netxen_p3_nic_set_multi(adapter->netdev);
766 return 0;
767 }
768
769 #define NETXEN_CONFIG_INTR_COALESCE 3
770
771 /*
772 * Send the interrupt coalescing parameter set by ethtool to the card.
773 */
774 int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
775 {
776 nx_nic_req_t req;
777 u64 word[6];
778 int rv, i;
779
780 memset(&req, 0, sizeof(nx_nic_req_t));
781 memset(word, 0, sizeof(word));
782
783 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
784
785 word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
786 req.req_hdr = cpu_to_le64(word[0]);
787
788 memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
789 for (i = 0; i < 6; i++)
790 req.words[i] = cpu_to_le64(word[i]);
791
792 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
793 if (rv != 0) {
794 printk(KERN_ERR "ERROR. Could not send "
795 "interrupt coalescing parameters\n");
796 }
797
798 return rv;
799 }
800
801 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
802 {
803 nx_nic_req_t req;
804 u64 word;
805 int rv = 0;
806
807 if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
808 return 0;
809
810 memset(&req, 0, sizeof(nx_nic_req_t));
811
812 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
813
814 word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
815 req.req_hdr = cpu_to_le64(word);
816
817 req.words[0] = cpu_to_le64(enable);
818
819 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
820 if (rv != 0) {
821 printk(KERN_ERR "ERROR. Could not send "
822 "configure hw lro request\n");
823 }
824
825 return rv;
826 }
827
828 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable)
829 {
830 nx_nic_req_t req;
831 u64 word;
832 int rv = 0;
833
834 if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable)
835 return rv;
836
837 memset(&req, 0, sizeof(nx_nic_req_t));
838
839 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
840
841 word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING |
842 ((u64)adapter->portnum << 16);
843 req.req_hdr = cpu_to_le64(word);
844
845 req.words[0] = cpu_to_le64(enable);
846
847 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
848 if (rv != 0) {
849 printk(KERN_ERR "ERROR. Could not send "
850 "configure bridge mode request\n");
851 }
852
853 adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED;
854
855 return rv;
856 }
857
858
859 #define RSS_HASHTYPE_IP_TCP 0x3
860
861 int netxen_config_rss(struct netxen_adapter *adapter, int enable)
862 {
863 nx_nic_req_t req;
864 u64 word;
865 int i, rv;
866
867 static const u64 key[] = {
868 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
869 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
870 0x255b0ec26d5a56daULL
871 };
872
873
874 memset(&req, 0, sizeof(nx_nic_req_t));
875 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
876
877 word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
878 req.req_hdr = cpu_to_le64(word);
879
880 /*
881 * RSS request:
882 * bits 3-0: hash_method
883 * 5-4: hash_type_ipv4
884 * 7-6: hash_type_ipv6
885 * 8: enable
886 * 9: use indirection table
887 * 47-10: reserved
888 * 63-48: indirection table mask
889 */
890 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
891 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
892 ((u64)(enable & 0x1) << 8) |
893 ((0x7ULL) << 48);
894 req.words[0] = cpu_to_le64(word);
895 for (i = 0; i < ARRAY_SIZE(key); i++)
896 req.words[i+1] = cpu_to_le64(key[i]);
897
898
899 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
900 if (rv != 0) {
901 printk(KERN_ERR "%s: could not configure RSS\n",
902 adapter->netdev->name);
903 }
904
905 return rv;
906 }
907
908 int netxen_config_ipaddr(struct netxen_adapter *adapter, __be32 ip, int cmd)
909 {
910 nx_nic_req_t req;
911 u64 word;
912 int rv;
913
914 memset(&req, 0, sizeof(nx_nic_req_t));
915 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
916
917 word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
918 req.req_hdr = cpu_to_le64(word);
919
920 req.words[0] = cpu_to_le64(cmd);
921 memcpy(&req.words[1], &ip, sizeof(u32));
922
923 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
924 if (rv != 0) {
925 printk(KERN_ERR "%s: could not notify %s IP 0x%x request\n",
926 adapter->netdev->name,
927 (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
928 }
929 return rv;
930 }
931
932 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
933 {
934 nx_nic_req_t req;
935 u64 word;
936 int rv;
937
938 memset(&req, 0, sizeof(nx_nic_req_t));
939 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
940
941 word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
942 req.req_hdr = cpu_to_le64(word);
943 req.words[0] = cpu_to_le64(enable | (enable << 8));
944
945 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
946 if (rv != 0) {
947 printk(KERN_ERR "%s: could not configure link notification\n",
948 adapter->netdev->name);
949 }
950
951 return rv;
952 }
953
954 int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
955 {
956 nx_nic_req_t req;
957 u64 word;
958 int rv;
959
960 if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
961 return 0;
962
963 memset(&req, 0, sizeof(nx_nic_req_t));
964 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
965
966 word = NX_NIC_H2C_OPCODE_LRO_REQUEST |
967 ((u64)adapter->portnum << 16) |
968 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ;
969
970 req.req_hdr = cpu_to_le64(word);
971
972 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
973 if (rv != 0) {
974 printk(KERN_ERR "%s: could not cleanup lro flows\n",
975 adapter->netdev->name);
976 }
977 return rv;
978 }
979
980 /*
981 * netxen_nic_change_mtu - Change the Maximum Transfer Unit
982 * @returns 0 on success, negative on failure
983 */
984
985 #define MTU_FUDGE_FACTOR 100
986
987 int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
988 {
989 struct netxen_adapter *adapter = netdev_priv(netdev);
990 int max_mtu;
991 int rc = 0;
992
993 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
994 max_mtu = P3_MAX_MTU;
995 else
996 max_mtu = P2_MAX_MTU;
997
998 if (mtu > max_mtu) {
999 printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
1000 netdev->name, max_mtu);
1001 return -EINVAL;
1002 }
1003
1004 if (adapter->set_mtu)
1005 rc = adapter->set_mtu(adapter, mtu);
1006
1007 if (!rc)
1008 netdev->mtu = mtu;
1009
1010 return rc;
1011 }
1012
1013 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
1014 int size, __le32 * buf)
1015 {
1016 int i, v, addr;
1017 __le32 *ptr32;
1018
1019 addr = base;
1020 ptr32 = buf;
1021 for (i = 0; i < size / sizeof(u32); i++) {
1022 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1023 return -1;
1024 *ptr32 = cpu_to_le32(v);
1025 ptr32++;
1026 addr += sizeof(u32);
1027 }
1028 if ((char *)buf + size > (char *)ptr32) {
1029 __le32 local;
1030 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1031 return -1;
1032 local = cpu_to_le32(v);
1033 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
1034 }
1035
1036 return 0;
1037 }
1038
1039 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1040 {
1041 __le32 *pmac = (__le32 *) mac;
1042 u32 offset;
1043
1044 offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64));
1045
1046 if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
1047 return -1;
1048
1049 if (*mac == ~0ULL) {
1050
1051 offset = NX_OLD_MAC_ADDR_OFFSET +
1052 (adapter->portnum * sizeof(u64));
1053
1054 if (netxen_get_flash_block(adapter,
1055 offset, sizeof(u64), pmac) == -1)
1056 return -1;
1057
1058 if (*mac == ~0ULL)
1059 return -1;
1060 }
1061 return 0;
1062 }
1063
1064 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1065 {
1066 uint32_t crbaddr, mac_hi, mac_lo;
1067 int pci_func = adapter->ahw.pci_func;
1068
1069 crbaddr = CRB_MAC_BLOCK_START +
1070 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
1071
1072 mac_lo = NXRD32(adapter, crbaddr);
1073 mac_hi = NXRD32(adapter, crbaddr+4);
1074
1075 if (pci_func & 1)
1076 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
1077 else
1078 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
1079
1080 return 0;
1081 }
1082
1083 /*
1084 * Changes the CRB window to the specified window.
1085 */
1086 static void
1087 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
1088 u32 window)
1089 {
1090 void __iomem *offset;
1091 int count = 10;
1092 u8 func = adapter->ahw.pci_func;
1093
1094 if (adapter->ahw.crb_win == window)
1095 return;
1096
1097 offset = PCI_OFFSET_SECOND_RANGE(adapter,
1098 NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
1099
1100 writel(window, offset);
1101 do {
1102 if (window == readl(offset))
1103 break;
1104
1105 if (printk_ratelimit())
1106 dev_warn(&adapter->pdev->dev,
1107 "failed to set CRB window to %d\n",
1108 (window == NETXEN_WINDOW_ONE));
1109 udelay(1);
1110
1111 } while (--count > 0);
1112
1113 if (count > 0)
1114 adapter->ahw.crb_win = window;
1115 }
1116
1117 /*
1118 * Returns < 0 if off is not valid,
1119 * 1 if window access is needed. 'off' is set to offset from
1120 * CRB space in 128M pci map
1121 * 0 if no window access is needed. 'off' is set to 2M addr
1122 * In: 'off' is offset from base in 128M pci map
1123 */
1124 static int
1125 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
1126 ulong off, void __iomem **addr)
1127 {
1128 crb_128M_2M_sub_block_map_t *m;
1129
1130
1131 if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE))
1132 return -EINVAL;
1133
1134 off -= NETXEN_PCI_CRBSPACE;
1135
1136 /*
1137 * Try direct map
1138 */
1139 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
1140
1141 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
1142 *addr = adapter->ahw.pci_base0 + m->start_2M +
1143 (off - m->start_128M);
1144 return 0;
1145 }
1146
1147 /*
1148 * Not in direct map, use crb window
1149 */
1150 *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M +
1151 (off & MASK(16));
1152 return 1;
1153 }
1154
1155 /*
1156 * In: 'off' is offset from CRB space in 128M pci map
1157 * Out: 'off' is 2M pci map addr
1158 * side effect: lock crb window
1159 */
1160 static void
1161 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
1162 {
1163 u32 window;
1164 void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
1165
1166 off -= NETXEN_PCI_CRBSPACE;
1167
1168 window = CRB_HI(off);
1169
1170 writel(window, addr);
1171 if (readl(addr) != window) {
1172 if (printk_ratelimit())
1173 dev_warn(&adapter->pdev->dev,
1174 "failed to set CRB window to %d off 0x%lx\n",
1175 window, off);
1176 }
1177 }
1178
1179 static void __iomem *
1180 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter,
1181 ulong win_off, void __iomem **mem_ptr)
1182 {
1183 ulong off = win_off;
1184 void __iomem *addr;
1185 resource_size_t mem_base;
1186
1187 if (ADDR_IN_WINDOW1(win_off))
1188 off = NETXEN_CRB_NORMAL(win_off);
1189
1190 addr = pci_base_offset(adapter, off);
1191 if (addr)
1192 return addr;
1193
1194 if (adapter->ahw.pci_len0 == 0)
1195 off -= NETXEN_PCI_CRBSPACE;
1196
1197 mem_base = pci_resource_start(adapter->pdev, 0);
1198 *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE);
1199 if (*mem_ptr)
1200 addr = *mem_ptr + (off & (PAGE_SIZE - 1));
1201
1202 return addr;
1203 }
1204
1205 static int
1206 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
1207 {
1208 unsigned long flags;
1209 void __iomem *addr, *mem_ptr = NULL;
1210
1211 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1212 if (!addr)
1213 return -EIO;
1214
1215 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1216 netxen_nic_io_write_128M(adapter, addr, data);
1217 } else { /* Window 0 */
1218 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1219 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1220 writel(data, addr);
1221 netxen_nic_pci_set_crbwindow_128M(adapter,
1222 NETXEN_WINDOW_ONE);
1223 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1224 }
1225
1226 if (mem_ptr)
1227 iounmap(mem_ptr);
1228
1229 return 0;
1230 }
1231
1232 static u32
1233 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
1234 {
1235 unsigned long flags;
1236 void __iomem *addr, *mem_ptr = NULL;
1237 u32 data;
1238
1239 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1240 if (!addr)
1241 return -EIO;
1242
1243 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1244 data = netxen_nic_io_read_128M(adapter, addr);
1245 } else { /* Window 0 */
1246 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1247 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1248 data = readl(addr);
1249 netxen_nic_pci_set_crbwindow_128M(adapter,
1250 NETXEN_WINDOW_ONE);
1251 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1252 }
1253
1254 if (mem_ptr)
1255 iounmap(mem_ptr);
1256
1257 return data;
1258 }
1259
1260 static int
1261 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
1262 {
1263 unsigned long flags;
1264 int rv;
1265 void __iomem *addr = NULL;
1266
1267 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1268
1269 if (rv == 0) {
1270 writel(data, addr);
1271 return 0;
1272 }
1273
1274 if (rv > 0) {
1275 /* indirect access */
1276 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1277 crb_win_lock(adapter);
1278 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1279 writel(data, addr);
1280 crb_win_unlock(adapter);
1281 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1282 return 0;
1283 }
1284
1285 dev_err(&adapter->pdev->dev,
1286 "%s: invalid offset: 0x%016lx\n", __func__, off);
1287 dump_stack();
1288 return -EIO;
1289 }
1290
1291 static u32
1292 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
1293 {
1294 unsigned long flags;
1295 int rv;
1296 u32 data;
1297 void __iomem *addr = NULL;
1298
1299 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1300
1301 if (rv == 0)
1302 return readl(addr);
1303
1304 if (rv > 0) {
1305 /* indirect access */
1306 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1307 crb_win_lock(adapter);
1308 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1309 data = readl(addr);
1310 crb_win_unlock(adapter);
1311 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1312 return data;
1313 }
1314
1315 dev_err(&adapter->pdev->dev,
1316 "%s: invalid offset: 0x%016lx\n", __func__, off);
1317 dump_stack();
1318 return -1;
1319 }
1320
1321 /* window 1 registers only */
1322 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
1323 void __iomem *addr, u32 data)
1324 {
1325 read_lock(&adapter->ahw.crb_lock);
1326 writel(data, addr);
1327 read_unlock(&adapter->ahw.crb_lock);
1328 }
1329
1330 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
1331 void __iomem *addr)
1332 {
1333 u32 val;
1334
1335 read_lock(&adapter->ahw.crb_lock);
1336 val = readl(addr);
1337 read_unlock(&adapter->ahw.crb_lock);
1338
1339 return val;
1340 }
1341
1342 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter,
1343 void __iomem *addr, u32 data)
1344 {
1345 writel(data, addr);
1346 }
1347
1348 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
1349 void __iomem *addr)
1350 {
1351 return readl(addr);
1352 }
1353
1354 void __iomem *
1355 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
1356 {
1357 void __iomem *addr = NULL;
1358
1359 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1360 if ((offset < NETXEN_CRB_PCIX_HOST2) &&
1361 (offset > NETXEN_CRB_PCIX_HOST))
1362 addr = PCI_OFFSET_SECOND_RANGE(adapter, offset);
1363 else
1364 addr = NETXEN_CRB_NORMALIZE(adapter, offset);
1365 } else {
1366 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter,
1367 offset, &addr));
1368 }
1369
1370 return addr;
1371 }
1372
1373 static int
1374 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1375 u64 addr, u32 *start)
1376 {
1377 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1378 *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0);
1379 return 0;
1380 } else if (ADDR_IN_RANGE(addr,
1381 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1382 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1);
1383 return 0;
1384 }
1385
1386 return -EIO;
1387 }
1388
1389 static int
1390 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1391 u64 addr, u32 *start)
1392 {
1393 u32 window;
1394
1395 window = OCM_WIN(addr);
1396
1397 writel(window, adapter->ahw.ocm_win_crb);
1398 /* read back to flush */
1399 readl(adapter->ahw.ocm_win_crb);
1400
1401 adapter->ahw.ocm_win = window;
1402 *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
1403 return 0;
1404 }
1405
1406 static int
1407 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
1408 u64 *data, int op)
1409 {
1410 void __iomem *addr, *mem_ptr = NULL;
1411 resource_size_t mem_base;
1412 int ret;
1413 u32 start;
1414
1415 spin_lock(&adapter->ahw.mem_lock);
1416
1417 ret = adapter->pci_set_window(adapter, off, &start);
1418 if (ret != 0)
1419 goto unlock;
1420
1421 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1422 addr = adapter->ahw.pci_base0 + start;
1423 } else {
1424 addr = pci_base_offset(adapter, start);
1425 if (addr)
1426 goto noremap;
1427
1428 mem_base = pci_resource_start(adapter->pdev, 0) +
1429 (start & PAGE_MASK);
1430 mem_ptr = ioremap(mem_base, PAGE_SIZE);
1431 if (mem_ptr == NULL) {
1432 ret = -EIO;
1433 goto unlock;
1434 }
1435
1436 addr = mem_ptr + (start & (PAGE_SIZE-1));
1437 }
1438 noremap:
1439 if (op == 0) /* read */
1440 *data = readq(addr);
1441 else /* write */
1442 writeq(*data, addr);
1443
1444 unlock:
1445 spin_unlock(&adapter->ahw.mem_lock);
1446
1447 if (mem_ptr)
1448 iounmap(mem_ptr);
1449 return ret;
1450 }
1451
1452 void
1453 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data)
1454 {
1455 void __iomem *addr = adapter->ahw.pci_base0 +
1456 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1457
1458 spin_lock(&adapter->ahw.mem_lock);
1459 *data = readq(addr);
1460 spin_unlock(&adapter->ahw.mem_lock);
1461 }
1462
1463 void
1464 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data)
1465 {
1466 void __iomem *addr = adapter->ahw.pci_base0 +
1467 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1468
1469 spin_lock(&adapter->ahw.mem_lock);
1470 writeq(data, addr);
1471 spin_unlock(&adapter->ahw.mem_lock);
1472 }
1473
1474 #define MAX_CTL_CHECK 1000
1475
1476 static int
1477 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1478 u64 off, u64 data)
1479 {
1480 int j, ret;
1481 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1482 void __iomem *mem_crb;
1483
1484 /* Only 64-bit aligned access */
1485 if (off & 7)
1486 return -EIO;
1487
1488 /* P2 has different SIU and MIU test agent base addr */
1489 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1490 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1491 mem_crb = pci_base_offset(adapter,
1492 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1493 addr_hi = SIU_TEST_AGT_ADDR_HI;
1494 data_lo = SIU_TEST_AGT_WRDATA_LO;
1495 data_hi = SIU_TEST_AGT_WRDATA_HI;
1496 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1497 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1498 goto correct;
1499 }
1500
1501 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1502 mem_crb = pci_base_offset(adapter,
1503 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1504 addr_hi = MIU_TEST_AGT_ADDR_HI;
1505 data_lo = MIU_TEST_AGT_WRDATA_LO;
1506 data_hi = MIU_TEST_AGT_WRDATA_HI;
1507 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1508 off_hi = 0;
1509 goto correct;
1510 }
1511
1512 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1513 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1514 if (adapter->ahw.pci_len0 != 0) {
1515 return netxen_nic_pci_mem_access_direct(adapter,
1516 off, &data, 1);
1517 }
1518 }
1519
1520 return -EIO;
1521
1522 correct:
1523 spin_lock(&adapter->ahw.mem_lock);
1524 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1525
1526 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1527 writel(off_hi, (mem_crb + addr_hi));
1528 writel(data & 0xffffffff, (mem_crb + data_lo));
1529 writel((data >> 32) & 0xffffffff, (mem_crb + data_hi));
1530 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1531 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1532 (mem_crb + TEST_AGT_CTRL));
1533
1534 for (j = 0; j < MAX_CTL_CHECK; j++) {
1535 temp = readl((mem_crb + TEST_AGT_CTRL));
1536 if ((temp & TA_CTL_BUSY) == 0)
1537 break;
1538 }
1539
1540 if (j >= MAX_CTL_CHECK) {
1541 if (printk_ratelimit())
1542 dev_err(&adapter->pdev->dev,
1543 "failed to write through agent\n");
1544 ret = -EIO;
1545 } else
1546 ret = 0;
1547
1548 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1549 spin_unlock(&adapter->ahw.mem_lock);
1550 return ret;
1551 }
1552
1553 static int
1554 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1555 u64 off, u64 *data)
1556 {
1557 int j, ret;
1558 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1559 u64 val;
1560 void __iomem *mem_crb;
1561
1562 /* Only 64-bit aligned access */
1563 if (off & 7)
1564 return -EIO;
1565
1566 /* P2 has different SIU and MIU test agent base addr */
1567 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1568 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1569 mem_crb = pci_base_offset(adapter,
1570 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1571 addr_hi = SIU_TEST_AGT_ADDR_HI;
1572 data_lo = SIU_TEST_AGT_RDDATA_LO;
1573 data_hi = SIU_TEST_AGT_RDDATA_HI;
1574 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1575 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1576 goto correct;
1577 }
1578
1579 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1580 mem_crb = pci_base_offset(adapter,
1581 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1582 addr_hi = MIU_TEST_AGT_ADDR_HI;
1583 data_lo = MIU_TEST_AGT_RDDATA_LO;
1584 data_hi = MIU_TEST_AGT_RDDATA_HI;
1585 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1586 off_hi = 0;
1587 goto correct;
1588 }
1589
1590 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1591 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1592 if (adapter->ahw.pci_len0 != 0) {
1593 return netxen_nic_pci_mem_access_direct(adapter,
1594 off, data, 0);
1595 }
1596 }
1597
1598 return -EIO;
1599
1600 correct:
1601 spin_lock(&adapter->ahw.mem_lock);
1602 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1603
1604 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1605 writel(off_hi, (mem_crb + addr_hi));
1606 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1607 writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1608
1609 for (j = 0; j < MAX_CTL_CHECK; j++) {
1610 temp = readl(mem_crb + TEST_AGT_CTRL);
1611 if ((temp & TA_CTL_BUSY) == 0)
1612 break;
1613 }
1614
1615 if (j >= MAX_CTL_CHECK) {
1616 if (printk_ratelimit())
1617 dev_err(&adapter->pdev->dev,
1618 "failed to read through agent\n");
1619 ret = -EIO;
1620 } else {
1621
1622 temp = readl(mem_crb + data_hi);
1623 val = ((u64)temp << 32);
1624 val |= readl(mem_crb + data_lo);
1625 *data = val;
1626 ret = 0;
1627 }
1628
1629 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1630 spin_unlock(&adapter->ahw.mem_lock);
1631
1632 return ret;
1633 }
1634
1635 static int
1636 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1637 u64 off, u64 data)
1638 {
1639 int j, ret;
1640 u32 temp, off8;
1641 void __iomem *mem_crb;
1642
1643 /* Only 64-bit aligned access */
1644 if (off & 7)
1645 return -EIO;
1646
1647 /* P3 onward, test agent base for MIU and SIU is same */
1648 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1649 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1650 mem_crb = netxen_get_ioaddr(adapter,
1651 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1652 goto correct;
1653 }
1654
1655 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1656 mem_crb = netxen_get_ioaddr(adapter,
1657 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1658 goto correct;
1659 }
1660
1661 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
1662 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1);
1663
1664 return -EIO;
1665
1666 correct:
1667 off8 = off & 0xfffffff8;
1668
1669 spin_lock(&adapter->ahw.mem_lock);
1670
1671 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1672 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1673
1674 writel(data & 0xffffffff,
1675 mem_crb + MIU_TEST_AGT_WRDATA_LO);
1676 writel((data >> 32) & 0xffffffff,
1677 mem_crb + MIU_TEST_AGT_WRDATA_HI);
1678
1679 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1680 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1681 (mem_crb + TEST_AGT_CTRL));
1682
1683 for (j = 0; j < MAX_CTL_CHECK; j++) {
1684 temp = readl(mem_crb + TEST_AGT_CTRL);
1685 if ((temp & TA_CTL_BUSY) == 0)
1686 break;
1687 }
1688
1689 if (j >= MAX_CTL_CHECK) {
1690 if (printk_ratelimit())
1691 dev_err(&adapter->pdev->dev,
1692 "failed to write through agent\n");
1693 ret = -EIO;
1694 } else
1695 ret = 0;
1696
1697 spin_unlock(&adapter->ahw.mem_lock);
1698
1699 return ret;
1700 }
1701
1702 static int
1703 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1704 u64 off, u64 *data)
1705 {
1706 int j, ret;
1707 u32 temp, off8;
1708 u64 val;
1709 void __iomem *mem_crb;
1710
1711 /* Only 64-bit aligned access */
1712 if (off & 7)
1713 return -EIO;
1714
1715 /* P3 onward, test agent base for MIU and SIU is same */
1716 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1717 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1718 mem_crb = netxen_get_ioaddr(adapter,
1719 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1720 goto correct;
1721 }
1722
1723 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1724 mem_crb = netxen_get_ioaddr(adapter,
1725 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1726 goto correct;
1727 }
1728
1729 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1730 return netxen_nic_pci_mem_access_direct(adapter,
1731 off, data, 0);
1732 }
1733
1734 return -EIO;
1735
1736 correct:
1737 off8 = off & 0xfffffff8;
1738
1739 spin_lock(&adapter->ahw.mem_lock);
1740
1741 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1742 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1743 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1744 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1745
1746 for (j = 0; j < MAX_CTL_CHECK; j++) {
1747 temp = readl(mem_crb + TEST_AGT_CTRL);
1748 if ((temp & TA_CTL_BUSY) == 0)
1749 break;
1750 }
1751
1752 if (j >= MAX_CTL_CHECK) {
1753 if (printk_ratelimit())
1754 dev_err(&adapter->pdev->dev,
1755 "failed to read through agent\n");
1756 ret = -EIO;
1757 } else {
1758 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32;
1759 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
1760 *data = val;
1761 ret = 0;
1762 }
1763
1764 spin_unlock(&adapter->ahw.mem_lock);
1765
1766 return ret;
1767 }
1768
1769 void
1770 netxen_setup_hwops(struct netxen_adapter *adapter)
1771 {
1772 adapter->init_port = netxen_niu_xg_init_port;
1773 adapter->stop_port = netxen_niu_disable_xg_port;
1774
1775 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1776 adapter->crb_read = netxen_nic_hw_read_wx_128M,
1777 adapter->crb_write = netxen_nic_hw_write_wx_128M,
1778 adapter->pci_set_window = netxen_nic_pci_set_window_128M,
1779 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M,
1780 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M,
1781 adapter->io_read = netxen_nic_io_read_128M,
1782 adapter->io_write = netxen_nic_io_write_128M,
1783
1784 adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
1785 adapter->set_multi = netxen_p2_nic_set_multi;
1786 adapter->set_mtu = netxen_nic_set_mtu_xgb;
1787 adapter->set_promisc = netxen_p2_nic_set_promisc;
1788
1789 } else {
1790 adapter->crb_read = netxen_nic_hw_read_wx_2M,
1791 adapter->crb_write = netxen_nic_hw_write_wx_2M,
1792 adapter->pci_set_window = netxen_nic_pci_set_window_2M,
1793 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M,
1794 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M,
1795 adapter->io_read = netxen_nic_io_read_2M,
1796 adapter->io_write = netxen_nic_io_write_2M,
1797
1798 adapter->set_mtu = nx_fw_cmd_set_mtu;
1799 adapter->set_promisc = netxen_p3_nic_set_promisc;
1800 adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
1801 adapter->set_multi = netxen_p3_nic_set_multi;
1802
1803 adapter->phy_read = nx_fw_cmd_query_phy;
1804 adapter->phy_write = nx_fw_cmd_set_phy;
1805 }
1806 }
1807
1808 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
1809 {
1810 int offset, board_type, magic;
1811 struct pci_dev *pdev = adapter->pdev;
1812
1813 offset = NX_FW_MAGIC_OFFSET;
1814 if (netxen_rom_fast_read(adapter, offset, &magic))
1815 return -EIO;
1816
1817 if (magic != NETXEN_BDINFO_MAGIC) {
1818 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1819 magic);
1820 return -EIO;
1821 }
1822
1823 offset = NX_BRDTYPE_OFFSET;
1824 if (netxen_rom_fast_read(adapter, offset, &board_type))
1825 return -EIO;
1826
1827 if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) {
1828 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I);
1829 if ((gpio & 0x8000) == 0)
1830 board_type = NETXEN_BRDTYPE_P3_10G_TP;
1831 }
1832
1833 adapter->ahw.board_type = board_type;
1834
1835 switch (board_type) {
1836 case NETXEN_BRDTYPE_P2_SB35_4G:
1837 adapter->ahw.port_type = NETXEN_NIC_GBE;
1838 break;
1839 case NETXEN_BRDTYPE_P2_SB31_10G:
1840 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1841 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1842 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1843 case NETXEN_BRDTYPE_P3_HMEZ:
1844 case NETXEN_BRDTYPE_P3_XG_LOM:
1845 case NETXEN_BRDTYPE_P3_10G_CX4:
1846 case NETXEN_BRDTYPE_P3_10G_CX4_LP:
1847 case NETXEN_BRDTYPE_P3_IMEZ:
1848 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
1849 case NETXEN_BRDTYPE_P3_10G_SFP_CT:
1850 case NETXEN_BRDTYPE_P3_10G_SFP_QT:
1851 case NETXEN_BRDTYPE_P3_10G_XFP:
1852 case NETXEN_BRDTYPE_P3_10000_BASE_T:
1853 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1854 break;
1855 case NETXEN_BRDTYPE_P1_BD:
1856 case NETXEN_BRDTYPE_P1_SB:
1857 case NETXEN_BRDTYPE_P1_SMAX:
1858 case NETXEN_BRDTYPE_P1_SOCK:
1859 case NETXEN_BRDTYPE_P3_REF_QG:
1860 case NETXEN_BRDTYPE_P3_4_GB:
1861 case NETXEN_BRDTYPE_P3_4_GB_MM:
1862 adapter->ahw.port_type = NETXEN_NIC_GBE;
1863 break;
1864 case NETXEN_BRDTYPE_P3_10G_TP:
1865 adapter->ahw.port_type = (adapter->portnum < 2) ?
1866 NETXEN_NIC_XGBE : NETXEN_NIC_GBE;
1867 break;
1868 default:
1869 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1870 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1871 break;
1872 }
1873
1874 return 0;
1875 }
1876
1877 /* NIU access sections */
1878 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
1879 {
1880 new_mtu += MTU_FUDGE_FACTOR;
1881 if (adapter->physical_port == 0)
1882 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
1883 else
1884 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
1885 return 0;
1886 }
1887
1888 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
1889 {
1890 __u32 status;
1891 __u32 autoneg;
1892 __u32 port_mode;
1893
1894 if (!netif_carrier_ok(adapter->netdev)) {
1895 adapter->link_speed = 0;
1896 adapter->link_duplex = -1;
1897 adapter->link_autoneg = AUTONEG_ENABLE;
1898 return;
1899 }
1900
1901 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
1902 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
1903 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
1904 adapter->link_speed = SPEED_1000;
1905 adapter->link_duplex = DUPLEX_FULL;
1906 adapter->link_autoneg = AUTONEG_DISABLE;
1907 return;
1908 }
1909
1910 if (adapter->phy_read &&
1911 adapter->phy_read(adapter,
1912 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
1913 &status) == 0) {
1914 if (netxen_get_phy_link(status)) {
1915 switch (netxen_get_phy_speed(status)) {
1916 case 0:
1917 adapter->link_speed = SPEED_10;
1918 break;
1919 case 1:
1920 adapter->link_speed = SPEED_100;
1921 break;
1922 case 2:
1923 adapter->link_speed = SPEED_1000;
1924 break;
1925 default:
1926 adapter->link_speed = 0;
1927 break;
1928 }
1929 switch (netxen_get_phy_duplex(status)) {
1930 case 0:
1931 adapter->link_duplex = DUPLEX_HALF;
1932 break;
1933 case 1:
1934 adapter->link_duplex = DUPLEX_FULL;
1935 break;
1936 default:
1937 adapter->link_duplex = -1;
1938 break;
1939 }
1940 if (adapter->phy_read &&
1941 adapter->phy_read(adapter,
1942 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
1943 &autoneg) != 0)
1944 adapter->link_autoneg = autoneg;
1945 } else
1946 goto link_down;
1947 } else {
1948 link_down:
1949 adapter->link_speed = 0;
1950 adapter->link_duplex = -1;
1951 }
1952 }
1953 }
1954
1955 int
1956 netxen_nic_wol_supported(struct netxen_adapter *adapter)
1957 {
1958 u32 wol_cfg;
1959
1960 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1961 return 0;
1962
1963 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
1964 if (wol_cfg & (1UL << adapter->portnum)) {
1965 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
1966 if (wol_cfg & (1 << adapter->portnum))
1967 return 1;
1968 }
1969
1970 return 0;
1971 }
1972
1973 static u32 netxen_md_cntrl(struct netxen_adapter *adapter,
1974 struct netxen_minidump_template_hdr *template_hdr,
1975 struct netxen_minidump_entry_crb *crtEntry)
1976 {
1977 int loop_cnt, i, rv = 0, timeout_flag;
1978 u32 op_count, stride;
1979 u32 opcode, read_value, addr;
1980 unsigned long timeout, timeout_jiffies;
1981 addr = crtEntry->addr;
1982 op_count = crtEntry->op_count;
1983 stride = crtEntry->addr_stride;
1984
1985 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
1986 for (i = 0; i < sizeof(crtEntry->opcode) * 8; i++) {
1987 opcode = (crtEntry->opcode & (0x1 << i));
1988 if (opcode) {
1989 switch (opcode) {
1990 case NX_DUMP_WCRB:
1991 NX_WR_DUMP_REG(addr,
1992 adapter->ahw.pci_base0,
1993 crtEntry->value_1);
1994 break;
1995 case NX_DUMP_RWCRB:
1996 NX_RD_DUMP_REG(addr,
1997 adapter->ahw.pci_base0,
1998 &read_value);
1999 NX_WR_DUMP_REG(addr,
2000 adapter->ahw.pci_base0,
2001 read_value);
2002 break;
2003 case NX_DUMP_ANDCRB:
2004 NX_RD_DUMP_REG(addr,
2005 adapter->ahw.pci_base0,
2006 &read_value);
2007 read_value &= crtEntry->value_2;
2008 NX_WR_DUMP_REG(addr,
2009 adapter->ahw.pci_base0,
2010 read_value);
2011 break;
2012 case NX_DUMP_ORCRB:
2013 NX_RD_DUMP_REG(addr,
2014 adapter->ahw.pci_base0,
2015 &read_value);
2016 read_value |= crtEntry->value_3;
2017 NX_WR_DUMP_REG(addr,
2018 adapter->ahw.pci_base0,
2019 read_value);
2020 break;
2021 case NX_DUMP_POLLCRB:
2022 timeout = crtEntry->poll_timeout;
2023 NX_RD_DUMP_REG(addr,
2024 adapter->ahw.pci_base0,
2025 &read_value);
2026 timeout_jiffies =
2027 msecs_to_jiffies(timeout) + jiffies;
2028 for (timeout_flag = 0;
2029 !timeout_flag
2030 && ((read_value & crtEntry->value_2)
2031 != crtEntry->value_1);) {
2032 if (time_after(jiffies,
2033 timeout_jiffies))
2034 timeout_flag = 1;
2035 NX_RD_DUMP_REG(addr,
2036 adapter->ahw.pci_base0,
2037 &read_value);
2038 }
2039
2040 if (timeout_flag) {
2041 dev_err(&adapter->pdev->dev, "%s : "
2042 "Timeout in poll_crb control operation.\n"
2043 , __func__);
2044 return -1;
2045 }
2046 break;
2047 case NX_DUMP_RD_SAVE:
2048 /* Decide which address to use */
2049 if (crtEntry->state_index_a)
2050 addr =
2051 template_hdr->saved_state_array
2052 [crtEntry->state_index_a];
2053 NX_RD_DUMP_REG(addr,
2054 adapter->ahw.pci_base0,
2055 &read_value);
2056 template_hdr->saved_state_array
2057 [crtEntry->state_index_v]
2058 = read_value;
2059 break;
2060 case NX_DUMP_WRT_SAVED:
2061 /* Decide which value to use */
2062 if (crtEntry->state_index_v)
2063 read_value =
2064 template_hdr->saved_state_array
2065 [crtEntry->state_index_v];
2066 else
2067 read_value = crtEntry->value_1;
2068
2069 /* Decide which address to use */
2070 if (crtEntry->state_index_a)
2071 addr =
2072 template_hdr->saved_state_array
2073 [crtEntry->state_index_a];
2074
2075 NX_WR_DUMP_REG(addr,
2076 adapter->ahw.pci_base0,
2077 read_value);
2078 break;
2079 case NX_DUMP_MOD_SAVE_ST:
2080 read_value =
2081 template_hdr->saved_state_array
2082 [crtEntry->state_index_v];
2083 read_value <<= crtEntry->shl;
2084 read_value >>= crtEntry->shr;
2085 if (crtEntry->value_2)
2086 read_value &=
2087 crtEntry->value_2;
2088 read_value |= crtEntry->value_3;
2089 read_value += crtEntry->value_1;
2090 /* Write value back to state area.*/
2091 template_hdr->saved_state_array
2092 [crtEntry->state_index_v]
2093 = read_value;
2094 break;
2095 default:
2096 rv = 1;
2097 break;
2098 }
2099 }
2100 }
2101 addr = addr + stride;
2102 }
2103 return rv;
2104 }
2105
2106 /* Read memory or MN */
2107 static u32
2108 netxen_md_rdmem(struct netxen_adapter *adapter,
2109 struct netxen_minidump_entry_rdmem
2110 *memEntry, u64 *data_buff)
2111 {
2112 u64 addr, value = 0;
2113 int i = 0, loop_cnt;
2114
2115 addr = (u64)memEntry->read_addr;
2116 loop_cnt = memEntry->read_data_size; /* This is size in bytes */
2117 loop_cnt /= sizeof(value);
2118
2119 for (i = 0; i < loop_cnt; i++) {
2120 if (netxen_nic_pci_mem_read_2M(adapter, addr, &value))
2121 goto out;
2122 *data_buff++ = value;
2123 addr += sizeof(value);
2124 }
2125 out:
2126 return i * sizeof(value);
2127 }
2128
2129 /* Read CRB operation */
2130 static u32 netxen_md_rd_crb(struct netxen_adapter *adapter,
2131 struct netxen_minidump_entry_crb
2132 *crbEntry, u32 *data_buff)
2133 {
2134 int loop_cnt;
2135 u32 op_count, addr, stride, value;
2136
2137 addr = crbEntry->addr;
2138 op_count = crbEntry->op_count;
2139 stride = crbEntry->addr_stride;
2140
2141 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
2142 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, &value);
2143 *data_buff++ = addr;
2144 *data_buff++ = value;
2145 addr = addr + stride;
2146 }
2147 return loop_cnt * (2 * sizeof(u32));
2148 }
2149
2150 /* Read ROM */
2151 static u32
2152 netxen_md_rdrom(struct netxen_adapter *adapter,
2153 struct netxen_minidump_entry_rdrom
2154 *romEntry, __le32 *data_buff)
2155 {
2156 int i, count = 0;
2157 u32 size, lck_val;
2158 u32 val;
2159 u32 fl_addr, waddr, raddr;
2160 fl_addr = romEntry->read_addr;
2161 size = romEntry->read_data_size/4;
2162 lock_try:
2163 lck_val = readl((void __iomem *)(adapter->ahw.pci_base0 +
2164 NX_FLASH_SEM2_LK));
2165 if (!lck_val && count < MAX_CTL_CHECK) {
2166 msleep(20);
2167 count++;
2168 goto lock_try;
2169 }
2170 writel(adapter->ahw.pci_func, (void __iomem *)(adapter->ahw.pci_base0 +
2171 NX_FLASH_LOCK_ID));
2172 for (i = 0; i < size; i++) {
2173 waddr = fl_addr & 0xFFFF0000;
2174 NX_WR_DUMP_REG(FLASH_ROM_WINDOW, adapter->ahw.pci_base0, waddr);
2175 raddr = FLASH_ROM_DATA + (fl_addr & 0x0000FFFF);
2176 NX_RD_DUMP_REG(raddr, adapter->ahw.pci_base0, &val);
2177 *data_buff++ = cpu_to_le32(val);
2178 fl_addr += sizeof(val);
2179 }
2180 readl((void __iomem *)(adapter->ahw.pci_base0 + NX_FLASH_SEM2_ULK));
2181 return romEntry->read_data_size;
2182 }
2183
2184 /* Handle L2 Cache */
2185 static u32
2186 netxen_md_L2Cache(struct netxen_adapter *adapter,
2187 struct netxen_minidump_entry_cache
2188 *cacheEntry, u32 *data_buff)
2189 {
2190 int loop_cnt, i, k, timeout_flag = 0;
2191 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
2192 u32 tag_value, read_cnt;
2193 u8 cntl_value_w, cntl_value_r;
2194 unsigned long timeout, timeout_jiffies;
2195
2196 loop_cnt = cacheEntry->op_count;
2197 read_addr = cacheEntry->read_addr;
2198 cntrl_addr = cacheEntry->control_addr;
2199 cntl_value_w = (u32) cacheEntry->write_value;
2200 tag_reg_addr = cacheEntry->tag_reg_addr;
2201 tag_value = cacheEntry->init_tag_value;
2202 read_cnt = cacheEntry->read_addr_cnt;
2203
2204 for (i = 0; i < loop_cnt; i++) {
2205 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
2206 if (cntl_value_w)
2207 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2208 (u32)cntl_value_w);
2209 if (cacheEntry->poll_mask) {
2210 timeout = cacheEntry->poll_wait;
2211 NX_RD_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2212 &cntl_value_r);
2213 timeout_jiffies = msecs_to_jiffies(timeout) + jiffies;
2214 for (timeout_flag = 0; !timeout_flag &&
2215 ((cntl_value_r & cacheEntry->poll_mask) != 0);) {
2216 if (time_after(jiffies, timeout_jiffies))
2217 timeout_flag = 1;
2218 NX_RD_DUMP_REG(cntrl_addr,
2219 adapter->ahw.pci_base0,
2220 &cntl_value_r);
2221 }
2222 if (timeout_flag) {
2223 dev_err(&adapter->pdev->dev,
2224 "Timeout in processing L2 Tag poll.\n");
2225 return -1;
2226 }
2227 }
2228 addr = read_addr;
2229 for (k = 0; k < read_cnt; k++) {
2230 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0,
2231 &read_value);
2232 *data_buff++ = read_value;
2233 addr += cacheEntry->read_addr_stride;
2234 }
2235 tag_value += cacheEntry->tag_value_stride;
2236 }
2237 return read_cnt * loop_cnt * sizeof(read_value);
2238 }
2239
2240
2241 /* Handle L1 Cache */
2242 static u32 netxen_md_L1Cache(struct netxen_adapter *adapter,
2243 struct netxen_minidump_entry_cache
2244 *cacheEntry, u32 *data_buff)
2245 {
2246 int i, k, loop_cnt;
2247 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
2248 u32 tag_value, read_cnt;
2249 u8 cntl_value_w;
2250
2251 loop_cnt = cacheEntry->op_count;
2252 read_addr = cacheEntry->read_addr;
2253 cntrl_addr = cacheEntry->control_addr;
2254 cntl_value_w = (u32) cacheEntry->write_value;
2255 tag_reg_addr = cacheEntry->tag_reg_addr;
2256 tag_value = cacheEntry->init_tag_value;
2257 read_cnt = cacheEntry->read_addr_cnt;
2258
2259 for (i = 0; i < loop_cnt; i++) {
2260 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
2261 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2262 (u32) cntl_value_w);
2263 addr = read_addr;
2264 for (k = 0; k < read_cnt; k++) {
2265 NX_RD_DUMP_REG(addr,
2266 adapter->ahw.pci_base0,
2267 &read_value);
2268 *data_buff++ = read_value;
2269 addr += cacheEntry->read_addr_stride;
2270 }
2271 tag_value += cacheEntry->tag_value_stride;
2272 }
2273 return read_cnt * loop_cnt * sizeof(read_value);
2274 }
2275
2276 /* Reading OCM memory */
2277 static u32
2278 netxen_md_rdocm(struct netxen_adapter *adapter,
2279 struct netxen_minidump_entry_rdocm
2280 *ocmEntry, u32 *data_buff)
2281 {
2282 int i, loop_cnt;
2283 u32 value;
2284 void __iomem *addr;
2285 addr = (ocmEntry->read_addr + adapter->ahw.pci_base0);
2286 loop_cnt = ocmEntry->op_count;
2287
2288 for (i = 0; i < loop_cnt; i++) {
2289 value = readl(addr);
2290 *data_buff++ = value;
2291 addr += ocmEntry->read_addr_stride;
2292 }
2293 return i * sizeof(u32);
2294 }
2295
2296 /* Read MUX data */
2297 static u32
2298 netxen_md_rdmux(struct netxen_adapter *adapter, struct netxen_minidump_entry_mux
2299 *muxEntry, u32 *data_buff)
2300 {
2301 int loop_cnt = 0;
2302 u32 read_addr, read_value, select_addr, sel_value;
2303
2304 read_addr = muxEntry->read_addr;
2305 sel_value = muxEntry->select_value;
2306 select_addr = muxEntry->select_addr;
2307
2308 for (loop_cnt = 0; loop_cnt < muxEntry->op_count; loop_cnt++) {
2309 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, sel_value);
2310 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value);
2311 *data_buff++ = sel_value;
2312 *data_buff++ = read_value;
2313 sel_value += muxEntry->select_value_stride;
2314 }
2315 return loop_cnt * (2 * sizeof(u32));
2316 }
2317
2318 /* Handling Queue State Reads */
2319 static u32
2320 netxen_md_rdqueue(struct netxen_adapter *adapter,
2321 struct netxen_minidump_entry_queue
2322 *queueEntry, u32 *data_buff)
2323 {
2324 int loop_cnt, k;
2325 u32 queue_id, read_addr, read_value, read_stride, select_addr, read_cnt;
2326
2327 read_cnt = queueEntry->read_addr_cnt;
2328 read_stride = queueEntry->read_addr_stride;
2329 select_addr = queueEntry->select_addr;
2330
2331 for (loop_cnt = 0, queue_id = 0; loop_cnt < queueEntry->op_count;
2332 loop_cnt++) {
2333 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id);
2334 read_addr = queueEntry->read_addr;
2335 for (k = 0; k < read_cnt; k--) {
2336 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0,
2337 &read_value);
2338 *data_buff++ = read_value;
2339 read_addr += read_stride;
2340 }
2341 queue_id += queueEntry->queue_id_stride;
2342 }
2343 return loop_cnt * (read_cnt * sizeof(read_value));
2344 }
2345
2346
2347 /*
2348 * We catch an error where driver does not read
2349 * as much data as we expect from the entry.
2350 */
2351
2352 static int netxen_md_entry_err_chk(struct netxen_adapter *adapter,
2353 struct netxen_minidump_entry *entry, int esize)
2354 {
2355 if (esize < 0) {
2356 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2357 return esize;
2358 }
2359 if (esize != entry->hdr.entry_capture_size) {
2360 entry->hdr.entry_capture_size = esize;
2361 entry->hdr.driver_flags |= NX_DUMP_SIZE_ERR;
2362 dev_info(&adapter->pdev->dev,
2363 "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
2364 entry->hdr.entry_type, entry->hdr.entry_capture_mask,
2365 esize, entry->hdr.entry_capture_size);
2366 dev_info(&adapter->pdev->dev, "Aborting further dump capture\n");
2367 }
2368 return 0;
2369 }
2370
2371 static int netxen_parse_md_template(struct netxen_adapter *adapter)
2372 {
2373 int num_of_entries, buff_level, e_cnt, esize;
2374 int end_cnt = 0, rv = 0, sane_start = 0, sane_end = 0;
2375 char *dbuff;
2376 void *template_buff = adapter->mdump.md_template;
2377 char *dump_buff = adapter->mdump.md_capture_buff;
2378 int capture_mask = adapter->mdump.md_capture_mask;
2379 struct netxen_minidump_template_hdr *template_hdr;
2380 struct netxen_minidump_entry *entry;
2381
2382 if ((capture_mask & 0x3) != 0x3) {
2383 dev_err(&adapter->pdev->dev, "Capture mask %02x below minimum needed "
2384 "for valid firmware dump\n", capture_mask);
2385 return -EINVAL;
2386 }
2387 template_hdr = (struct netxen_minidump_template_hdr *) template_buff;
2388 num_of_entries = template_hdr->num_of_entries;
2389 entry = (struct netxen_minidump_entry *) ((char *) template_buff +
2390 template_hdr->first_entry_offset);
2391 memcpy(dump_buff, template_buff, adapter->mdump.md_template_size);
2392 dump_buff = dump_buff + adapter->mdump.md_template_size;
2393
2394 if (template_hdr->entry_type == TLHDR)
2395 sane_start = 1;
2396
2397 for (e_cnt = 0, buff_level = 0; e_cnt < num_of_entries; e_cnt++) {
2398 if (!(entry->hdr.entry_capture_mask & capture_mask)) {
2399 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2400 entry = (struct netxen_minidump_entry *)
2401 ((char *) entry + entry->hdr.entry_size);
2402 continue;
2403 }
2404 switch (entry->hdr.entry_type) {
2405 case RDNOP:
2406 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2407 break;
2408 case RDEND:
2409 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2410 if (!sane_end)
2411 end_cnt = e_cnt;
2412 sane_end += 1;
2413 break;
2414 case CNTRL:
2415 rv = netxen_md_cntrl(adapter,
2416 template_hdr, (void *)entry);
2417 if (rv)
2418 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2419 break;
2420 case RDCRB:
2421 dbuff = dump_buff + buff_level;
2422 esize = netxen_md_rd_crb(adapter,
2423 (void *) entry, (void *) dbuff);
2424 rv = netxen_md_entry_err_chk
2425 (adapter, entry, esize);
2426 if (rv < 0)
2427 break;
2428 buff_level += esize;
2429 break;
2430 case RDMN:
2431 case RDMEM:
2432 dbuff = dump_buff + buff_level;
2433 esize = netxen_md_rdmem(adapter,
2434 (void *) entry, (void *) dbuff);
2435 rv = netxen_md_entry_err_chk
2436 (adapter, entry, esize);
2437 if (rv < 0)
2438 break;
2439 buff_level += esize;
2440 break;
2441 case BOARD:
2442 case RDROM:
2443 dbuff = dump_buff + buff_level;
2444 esize = netxen_md_rdrom(adapter,
2445 (void *) entry, (void *) dbuff);
2446 rv = netxen_md_entry_err_chk
2447 (adapter, entry, esize);
2448 if (rv < 0)
2449 break;
2450 buff_level += esize;
2451 break;
2452 case L2ITG:
2453 case L2DTG:
2454 case L2DAT:
2455 case L2INS:
2456 dbuff = dump_buff + buff_level;
2457 esize = netxen_md_L2Cache(adapter,
2458 (void *) entry, (void *) dbuff);
2459 rv = netxen_md_entry_err_chk
2460 (adapter, entry, esize);
2461 if (rv < 0)
2462 break;
2463 buff_level += esize;
2464 break;
2465 case L1DAT:
2466 case L1INS:
2467 dbuff = dump_buff + buff_level;
2468 esize = netxen_md_L1Cache(adapter,
2469 (void *) entry, (void *) dbuff);
2470 rv = netxen_md_entry_err_chk
2471 (adapter, entry, esize);
2472 if (rv < 0)
2473 break;
2474 buff_level += esize;
2475 break;
2476 case RDOCM:
2477 dbuff = dump_buff + buff_level;
2478 esize = netxen_md_rdocm(adapter,
2479 (void *) entry, (void *) dbuff);
2480 rv = netxen_md_entry_err_chk
2481 (adapter, entry, esize);
2482 if (rv < 0)
2483 break;
2484 buff_level += esize;
2485 break;
2486 case RDMUX:
2487 dbuff = dump_buff + buff_level;
2488 esize = netxen_md_rdmux(adapter,
2489 (void *) entry, (void *) dbuff);
2490 rv = netxen_md_entry_err_chk
2491 (adapter, entry, esize);
2492 if (rv < 0)
2493 break;
2494 buff_level += esize;
2495 break;
2496 case QUEUE:
2497 dbuff = dump_buff + buff_level;
2498 esize = netxen_md_rdqueue(adapter,
2499 (void *) entry, (void *) dbuff);
2500 rv = netxen_md_entry_err_chk
2501 (adapter, entry, esize);
2502 if (rv < 0)
2503 break;
2504 buff_level += esize;
2505 break;
2506 default:
2507 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2508 break;
2509 }
2510 /* Next entry in the template */
2511 entry = (struct netxen_minidump_entry *)
2512 ((char *) entry + entry->hdr.entry_size);
2513 }
2514 if (!sane_start || sane_end > 1) {
2515 dev_err(&adapter->pdev->dev,
2516 "Firmware minidump template configuration error.\n");
2517 }
2518 return 0;
2519 }
2520
2521 static int
2522 netxen_collect_minidump(struct netxen_adapter *adapter)
2523 {
2524 int ret = 0;
2525 struct netxen_minidump_template_hdr *hdr;
2526 struct timespec val;
2527 hdr = (struct netxen_minidump_template_hdr *)
2528 adapter->mdump.md_template;
2529 hdr->driver_capture_mask = adapter->mdump.md_capture_mask;
2530 jiffies_to_timespec(jiffies, &val);
2531 hdr->driver_timestamp = (u32) val.tv_sec;
2532 hdr->driver_info_word2 = adapter->fw_version;
2533 hdr->driver_info_word3 = NXRD32(adapter, CRB_DRIVER_VERSION);
2534 ret = netxen_parse_md_template(adapter);
2535 if (ret)
2536 return ret;
2537
2538 return ret;
2539 }
2540
2541
2542 void
2543 netxen_dump_fw(struct netxen_adapter *adapter)
2544 {
2545 struct netxen_minidump_template_hdr *hdr;
2546 int i, k, data_size = 0;
2547 u32 capture_mask;
2548 hdr = (struct netxen_minidump_template_hdr *)
2549 adapter->mdump.md_template;
2550 capture_mask = adapter->mdump.md_capture_mask;
2551
2552 for (i = 0x2, k = 1; (i & NX_DUMP_MASK_MAX); i <<= 1, k++) {
2553 if (i & capture_mask)
2554 data_size += hdr->capture_size_array[k];
2555 }
2556 if (!data_size) {
2557 dev_err(&adapter->pdev->dev,
2558 "Invalid cap sizes for capture_mask=0x%x\n",
2559 adapter->mdump.md_capture_mask);
2560 return;
2561 }
2562 adapter->mdump.md_capture_size = data_size;
2563 adapter->mdump.md_dump_size = adapter->mdump.md_template_size +
2564 adapter->mdump.md_capture_size;
2565 if (!adapter->mdump.md_capture_buff) {
2566 adapter->mdump.md_capture_buff =
2567 vzalloc(adapter->mdump.md_dump_size);
2568 if (!adapter->mdump.md_capture_buff)
2569 return;
2570
2571 if (netxen_collect_minidump(adapter)) {
2572 adapter->mdump.has_valid_dump = 0;
2573 adapter->mdump.md_dump_size = 0;
2574 vfree(adapter->mdump.md_capture_buff);
2575 adapter->mdump.md_capture_buff = NULL;
2576 dev_err(&adapter->pdev->dev,
2577 "Error in collecting firmware minidump.\n");
2578 } else {
2579 adapter->mdump.md_timestamp = jiffies;
2580 adapter->mdump.has_valid_dump = 1;
2581 adapter->fw_mdump_rdy = 1;
2582 dev_info(&adapter->pdev->dev, "%s Successfully "
2583 "collected fw dump.\n", adapter->netdev->name);
2584 }
2585
2586 } else {
2587 dev_info(&adapter->pdev->dev,
2588 "Cannot overwrite previously collected "
2589 "firmware minidump.\n");
2590 adapter->fw_mdump_rdy = 1;
2591 return;
2592 }
2593 }
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