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[SCSI] qla2xxx: Changes for ISP83xx loopback support.
[mirror_ubuntu-hirsute-kernel.git] / drivers / scsi / qla2xxx / qla_nx.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include <linux/delay.h>
9 #include <linux/pci.h>
10 #include <linux/ratelimit.h>
11 #include <linux/vmalloc.h>
12 #include <scsi/scsi_tcq.h>
13
14 #define MASK(n) ((1ULL<<(n))-1)
15 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
16 ((addr >> 25) & 0x3ff))
17 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \
18 ((addr >> 25) & 0x3ff))
19 #define MS_WIN(addr) (addr & 0x0ffc0000)
20 #define QLA82XX_PCI_MN_2M (0)
21 #define QLA82XX_PCI_MS_2M (0x80000)
22 #define QLA82XX_PCI_OCM0_2M (0xc0000)
23 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
24 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
25 #define BLOCK_PROTECT_BITS 0x0F
26
27 /* CRB window related */
28 #define CRB_BLK(off) ((off >> 20) & 0x3f)
29 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
30 #define CRB_WINDOW_2M (0x130060)
31 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
32 #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
33 ((off) & 0xf0000))
34 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
35 #define CRB_INDIRECT_2M (0x1e0000UL)
36
37 #define MAX_CRB_XFORM 60
38 static unsigned long crb_addr_xform[MAX_CRB_XFORM];
39 int qla82xx_crb_table_initialized;
40
41 #define qla82xx_crb_addr_transform(name) \
42 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
43 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
44
45 static void qla82xx_crb_addr_transform_setup(void)
46 {
47 qla82xx_crb_addr_transform(XDMA);
48 qla82xx_crb_addr_transform(TIMR);
49 qla82xx_crb_addr_transform(SRE);
50 qla82xx_crb_addr_transform(SQN3);
51 qla82xx_crb_addr_transform(SQN2);
52 qla82xx_crb_addr_transform(SQN1);
53 qla82xx_crb_addr_transform(SQN0);
54 qla82xx_crb_addr_transform(SQS3);
55 qla82xx_crb_addr_transform(SQS2);
56 qla82xx_crb_addr_transform(SQS1);
57 qla82xx_crb_addr_transform(SQS0);
58 qla82xx_crb_addr_transform(RPMX7);
59 qla82xx_crb_addr_transform(RPMX6);
60 qla82xx_crb_addr_transform(RPMX5);
61 qla82xx_crb_addr_transform(RPMX4);
62 qla82xx_crb_addr_transform(RPMX3);
63 qla82xx_crb_addr_transform(RPMX2);
64 qla82xx_crb_addr_transform(RPMX1);
65 qla82xx_crb_addr_transform(RPMX0);
66 qla82xx_crb_addr_transform(ROMUSB);
67 qla82xx_crb_addr_transform(SN);
68 qla82xx_crb_addr_transform(QMN);
69 qla82xx_crb_addr_transform(QMS);
70 qla82xx_crb_addr_transform(PGNI);
71 qla82xx_crb_addr_transform(PGND);
72 qla82xx_crb_addr_transform(PGN3);
73 qla82xx_crb_addr_transform(PGN2);
74 qla82xx_crb_addr_transform(PGN1);
75 qla82xx_crb_addr_transform(PGN0);
76 qla82xx_crb_addr_transform(PGSI);
77 qla82xx_crb_addr_transform(PGSD);
78 qla82xx_crb_addr_transform(PGS3);
79 qla82xx_crb_addr_transform(PGS2);
80 qla82xx_crb_addr_transform(PGS1);
81 qla82xx_crb_addr_transform(PGS0);
82 qla82xx_crb_addr_transform(PS);
83 qla82xx_crb_addr_transform(PH);
84 qla82xx_crb_addr_transform(NIU);
85 qla82xx_crb_addr_transform(I2Q);
86 qla82xx_crb_addr_transform(EG);
87 qla82xx_crb_addr_transform(MN);
88 qla82xx_crb_addr_transform(MS);
89 qla82xx_crb_addr_transform(CAS2);
90 qla82xx_crb_addr_transform(CAS1);
91 qla82xx_crb_addr_transform(CAS0);
92 qla82xx_crb_addr_transform(CAM);
93 qla82xx_crb_addr_transform(C2C1);
94 qla82xx_crb_addr_transform(C2C0);
95 qla82xx_crb_addr_transform(SMB);
96 qla82xx_crb_addr_transform(OCM0);
97 /*
98 * Used only in P3 just define it for P2 also.
99 */
100 qla82xx_crb_addr_transform(I2C0);
101
102 qla82xx_crb_table_initialized = 1;
103 }
104
105 struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
106 {{{0, 0, 0, 0} } },
107 {{{1, 0x0100000, 0x0102000, 0x120000},
108 {1, 0x0110000, 0x0120000, 0x130000},
109 {1, 0x0120000, 0x0122000, 0x124000},
110 {1, 0x0130000, 0x0132000, 0x126000},
111 {1, 0x0140000, 0x0142000, 0x128000},
112 {1, 0x0150000, 0x0152000, 0x12a000},
113 {1, 0x0160000, 0x0170000, 0x110000},
114 {1, 0x0170000, 0x0172000, 0x12e000},
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 {1, 0x01e0000, 0x01e0800, 0x122000},
122 {0, 0x0000000, 0x0000000, 0x000000} } } ,
123 {{{1, 0x0200000, 0x0210000, 0x180000} } },
124 {{{0, 0, 0, 0} } },
125 {{{1, 0x0400000, 0x0401000, 0x169000} } },
126 {{{1, 0x0500000, 0x0510000, 0x140000} } },
127 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
128 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
129 {{{1, 0x0800000, 0x0802000, 0x170000},
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 {0, 0x0000000, 0x0000000, 0x000000},
141 {0, 0x0000000, 0x0000000, 0x000000},
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {0, 0x0000000, 0x0000000, 0x000000},
144 {1, 0x08f0000, 0x08f2000, 0x172000} } },
145 {{{1, 0x0900000, 0x0902000, 0x174000},
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 {0, 0x0000000, 0x0000000, 0x000000},
157 {0, 0x0000000, 0x0000000, 0x000000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {1, 0x09f0000, 0x09f2000, 0x176000} } },
161 {{{0, 0x0a00000, 0x0a02000, 0x178000},
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 {0, 0x0000000, 0x0000000, 0x000000},
173 {0, 0x0000000, 0x0000000, 0x000000},
174 {0, 0x0000000, 0x0000000, 0x000000},
175 {0, 0x0000000, 0x0000000, 0x000000},
176 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
177 {{{0, 0x0b00000, 0x0b02000, 0x17c000},
178 {0, 0x0000000, 0x0000000, 0x000000},
179 {0, 0x0000000, 0x0000000, 0x000000},
180 {0, 0x0000000, 0x0000000, 0x000000},
181 {0, 0x0000000, 0x0000000, 0x000000},
182 {0, 0x0000000, 0x0000000, 0x000000},
183 {0, 0x0000000, 0x0000000, 0x000000},
184 {0, 0x0000000, 0x0000000, 0x000000},
185 {0, 0x0000000, 0x0000000, 0x000000},
186 {0, 0x0000000, 0x0000000, 0x000000},
187 {0, 0x0000000, 0x0000000, 0x000000},
188 {0, 0x0000000, 0x0000000, 0x000000},
189 {0, 0x0000000, 0x0000000, 0x000000},
190 {0, 0x0000000, 0x0000000, 0x000000},
191 {0, 0x0000000, 0x0000000, 0x000000},
192 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
193 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
194 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
195 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
196 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
197 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
198 {{{1, 0x1100000, 0x1101000, 0x160000} } },
199 {{{1, 0x1200000, 0x1201000, 0x161000} } },
200 {{{1, 0x1300000, 0x1301000, 0x162000} } },
201 {{{1, 0x1400000, 0x1401000, 0x163000} } },
202 {{{1, 0x1500000, 0x1501000, 0x165000} } },
203 {{{1, 0x1600000, 0x1601000, 0x166000} } },
204 {{{0, 0, 0, 0} } },
205 {{{0, 0, 0, 0} } },
206 {{{0, 0, 0, 0} } },
207 {{{0, 0, 0, 0} } },
208 {{{0, 0, 0, 0} } },
209 {{{0, 0, 0, 0} } },
210 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
211 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
212 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
213 {{{0} } },
214 {{{1, 0x2100000, 0x2102000, 0x120000},
215 {1, 0x2110000, 0x2120000, 0x130000},
216 {1, 0x2120000, 0x2122000, 0x124000},
217 {1, 0x2130000, 0x2132000, 0x126000},
218 {1, 0x2140000, 0x2142000, 0x128000},
219 {1, 0x2150000, 0x2152000, 0x12a000},
220 {1, 0x2160000, 0x2170000, 0x110000},
221 {1, 0x2170000, 0x2172000, 0x12e000},
222 {0, 0x0000000, 0x0000000, 0x000000},
223 {0, 0x0000000, 0x0000000, 0x000000},
224 {0, 0x0000000, 0x0000000, 0x000000},
225 {0, 0x0000000, 0x0000000, 0x000000},
226 {0, 0x0000000, 0x0000000, 0x000000},
227 {0, 0x0000000, 0x0000000, 0x000000},
228 {0, 0x0000000, 0x0000000, 0x000000},
229 {0, 0x0000000, 0x0000000, 0x000000} } },
230 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
231 {{{0} } },
232 {{{0} } },
233 {{{0} } },
234 {{{0} } },
235 {{{0} } },
236 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
237 {{{1, 0x2900000, 0x2901000, 0x16b000} } },
238 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
239 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
240 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
241 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
242 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
243 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
244 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
245 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
246 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
247 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
248 {{{0} } },
249 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
250 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
251 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
252 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
253 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
254 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
255 {{{0} } },
256 {{{0} } },
257 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
258 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
259 {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
260 };
261
262 /*
263 * top 12 bits of crb internal address (hub, agent)
264 */
265 unsigned qla82xx_crb_hub_agt[64] = {
266 0,
267 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
268 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
269 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
270 0,
271 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
272 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
273 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
275 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
276 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
277 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
293 0,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
296 0,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
298 0,
299 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
300 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
301 0,
302 0,
303 0,
304 0,
305 0,
306 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
307 0,
308 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
309 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
310 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
311 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
312 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
313 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
318 0,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
323 0,
324 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
325 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
326 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
327 0,
328 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
329 0,
330 };
331
332 /* Device states */
333 char *q_dev_state[] = {
334 "Unknown",
335 "Cold",
336 "Initializing",
337 "Ready",
338 "Need Reset",
339 "Need Quiescent",
340 "Failed",
341 "Quiescent",
342 };
343
344 char *qdev_state(uint32_t dev_state)
345 {
346 return q_dev_state[dev_state];
347 }
348
349 /*
350 * In: 'off' is offset from CRB space in 128M pci map
351 * Out: 'off' is 2M pci map addr
352 * side effect: lock crb window
353 */
354 static void
355 qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off)
356 {
357 u32 win_read;
358 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
359
360 ha->crb_win = CRB_HI(*off);
361 writel(ha->crb_win,
362 (void *)(CRB_WINDOW_2M + ha->nx_pcibase));
363
364 /* Read back value to make sure write has gone through before trying
365 * to use it.
366 */
367 win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
368 if (win_read != ha->crb_win) {
369 ql_dbg(ql_dbg_p3p, vha, 0xb000,
370 "%s: Written crbwin (0x%x) "
371 "!= Read crbwin (0x%x), off=0x%lx.\n",
372 __func__, ha->crb_win, win_read, *off);
373 }
374 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
375 }
376
377 static inline unsigned long
378 qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
379 {
380 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
381 /* See if we are currently pointing to the region we want to use next */
382 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
383 /* No need to change window. PCIX and PCIEregs are in both
384 * regs are in both windows.
385 */
386 return off;
387 }
388
389 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
390 /* We are in first CRB window */
391 if (ha->curr_window != 0)
392 WARN_ON(1);
393 return off;
394 }
395
396 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
397 /* We are in second CRB window */
398 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
399
400 if (ha->curr_window != 1)
401 return off;
402
403 /* We are in the QM or direct access
404 * register region - do nothing
405 */
406 if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
407 (off < QLA82XX_PCI_CAMQM_MAX))
408 return off;
409 }
410 /* strange address given */
411 ql_dbg(ql_dbg_p3p, vha, 0xb001,
412 "%s: Warning: unm_nic_pci_set_crbwindow "
413 "called with an unknown address(%llx).\n",
414 QLA2XXX_DRIVER_NAME, off);
415 return off;
416 }
417
418 static int
419 qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off)
420 {
421 struct crb_128M_2M_sub_block_map *m;
422
423 if (*off >= QLA82XX_CRB_MAX)
424 return -1;
425
426 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
427 *off = (*off - QLA82XX_PCI_CAMQM) +
428 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
429 return 0;
430 }
431
432 if (*off < QLA82XX_PCI_CRBSPACE)
433 return -1;
434
435 *off -= QLA82XX_PCI_CRBSPACE;
436
437 /* Try direct map */
438 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
439
440 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
441 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
442 return 0;
443 }
444 /* Not in direct map, use crb window */
445 return 1;
446 }
447
448 #define CRB_WIN_LOCK_TIMEOUT 100000000
449 static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
450 {
451 int done = 0, timeout = 0;
452
453 while (!done) {
454 /* acquire semaphore3 from PCI HW block */
455 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
456 if (done == 1)
457 break;
458 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
459 return -1;
460 timeout++;
461 }
462 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
463 return 0;
464 }
465
466 int
467 qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data)
468 {
469 unsigned long flags = 0;
470 int rv;
471
472 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
473
474 BUG_ON(rv == -1);
475
476 if (rv == 1) {
477 write_lock_irqsave(&ha->hw_lock, flags);
478 qla82xx_crb_win_lock(ha);
479 qla82xx_pci_set_crbwindow_2M(ha, &off);
480 }
481
482 writel(data, (void __iomem *)off);
483
484 if (rv == 1) {
485 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
486 write_unlock_irqrestore(&ha->hw_lock, flags);
487 }
488 return 0;
489 }
490
491 int
492 qla82xx_rd_32(struct qla_hw_data *ha, ulong off)
493 {
494 unsigned long flags = 0;
495 int rv;
496 u32 data;
497
498 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
499
500 BUG_ON(rv == -1);
501
502 if (rv == 1) {
503 write_lock_irqsave(&ha->hw_lock, flags);
504 qla82xx_crb_win_lock(ha);
505 qla82xx_pci_set_crbwindow_2M(ha, &off);
506 }
507 data = RD_REG_DWORD((void __iomem *)off);
508
509 if (rv == 1) {
510 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
511 write_unlock_irqrestore(&ha->hw_lock, flags);
512 }
513 return data;
514 }
515
516 #define IDC_LOCK_TIMEOUT 100000000
517 int qla82xx_idc_lock(struct qla_hw_data *ha)
518 {
519 int i;
520 int done = 0, timeout = 0;
521
522 while (!done) {
523 /* acquire semaphore5 from PCI HW block */
524 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
525 if (done == 1)
526 break;
527 if (timeout >= IDC_LOCK_TIMEOUT)
528 return -1;
529
530 timeout++;
531
532 /* Yield CPU */
533 if (!in_interrupt())
534 schedule();
535 else {
536 for (i = 0; i < 20; i++)
537 cpu_relax();
538 }
539 }
540
541 return 0;
542 }
543
544 void qla82xx_idc_unlock(struct qla_hw_data *ha)
545 {
546 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
547 }
548
549 /* PCI Windowing for DDR regions. */
550 #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
551 (((addr) <= (high)) && ((addr) >= (low)))
552 /*
553 * check memory access boundary.
554 * used by test agent. support ddr access only for now
555 */
556 static unsigned long
557 qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
558 unsigned long long addr, int size)
559 {
560 if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
561 QLA82XX_ADDR_DDR_NET_MAX) ||
562 !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET,
563 QLA82XX_ADDR_DDR_NET_MAX) ||
564 ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
565 return 0;
566 else
567 return 1;
568 }
569
570 int qla82xx_pci_set_window_warning_count;
571
572 static unsigned long
573 qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
574 {
575 int window;
576 u32 win_read;
577 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
578
579 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
580 QLA82XX_ADDR_DDR_NET_MAX)) {
581 /* DDR network side */
582 window = MN_WIN(addr);
583 ha->ddr_mn_window = window;
584 qla82xx_wr_32(ha,
585 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
586 win_read = qla82xx_rd_32(ha,
587 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
588 if ((win_read << 17) != window) {
589 ql_dbg(ql_dbg_p3p, vha, 0xb003,
590 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
591 __func__, window, win_read);
592 }
593 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
594 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
595 QLA82XX_ADDR_OCM0_MAX)) {
596 unsigned int temp1;
597 if ((addr & 0x00ff800) == 0xff800) {
598 ql_log(ql_log_warn, vha, 0xb004,
599 "%s: QM access not handled.\n", __func__);
600 addr = -1UL;
601 }
602 window = OCM_WIN(addr);
603 ha->ddr_mn_window = window;
604 qla82xx_wr_32(ha,
605 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
606 win_read = qla82xx_rd_32(ha,
607 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
608 temp1 = ((window & 0x1FF) << 7) |
609 ((window & 0x0FFFE0000) >> 17);
610 if (win_read != temp1) {
611 ql_log(ql_log_warn, vha, 0xb005,
612 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
613 __func__, temp1, win_read);
614 }
615 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
616
617 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
618 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
619 /* QDR network side */
620 window = MS_WIN(addr);
621 ha->qdr_sn_window = window;
622 qla82xx_wr_32(ha,
623 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
624 win_read = qla82xx_rd_32(ha,
625 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
626 if (win_read != window) {
627 ql_log(ql_log_warn, vha, 0xb006,
628 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
629 __func__, window, win_read);
630 }
631 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
632 } else {
633 /*
634 * peg gdb frequently accesses memory that doesn't exist,
635 * this limits the chit chat so debugging isn't slowed down.
636 */
637 if ((qla82xx_pci_set_window_warning_count++ < 8) ||
638 (qla82xx_pci_set_window_warning_count%64 == 0)) {
639 ql_log(ql_log_warn, vha, 0xb007,
640 "%s: Warning:%s Unknown address range!.\n",
641 __func__, QLA2XXX_DRIVER_NAME);
642 }
643 addr = -1UL;
644 }
645 return addr;
646 }
647
648 /* check if address is in the same windows as the previous access */
649 static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
650 unsigned long long addr)
651 {
652 int window;
653 unsigned long long qdr_max;
654
655 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
656
657 /* DDR network side */
658 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
659 QLA82XX_ADDR_DDR_NET_MAX))
660 BUG();
661 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
662 QLA82XX_ADDR_OCM0_MAX))
663 return 1;
664 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
665 QLA82XX_ADDR_OCM1_MAX))
666 return 1;
667 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
668 /* QDR network side */
669 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
670 if (ha->qdr_sn_window == window)
671 return 1;
672 }
673 return 0;
674 }
675
676 static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
677 u64 off, void *data, int size)
678 {
679 unsigned long flags;
680 void *addr = NULL;
681 int ret = 0;
682 u64 start;
683 uint8_t *mem_ptr = NULL;
684 unsigned long mem_base;
685 unsigned long mem_page;
686 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
687
688 write_lock_irqsave(&ha->hw_lock, flags);
689
690 /*
691 * If attempting to access unknown address or straddle hw windows,
692 * do not access.
693 */
694 start = qla82xx_pci_set_window(ha, off);
695 if ((start == -1UL) ||
696 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
697 write_unlock_irqrestore(&ha->hw_lock, flags);
698 ql_log(ql_log_fatal, vha, 0xb008,
699 "%s out of bound pci memory "
700 "access, offset is 0x%llx.\n",
701 QLA2XXX_DRIVER_NAME, off);
702 return -1;
703 }
704
705 write_unlock_irqrestore(&ha->hw_lock, flags);
706 mem_base = pci_resource_start(ha->pdev, 0);
707 mem_page = start & PAGE_MASK;
708 /* Map two pages whenever user tries to access addresses in two
709 * consecutive pages.
710 */
711 if (mem_page != ((start + size - 1) & PAGE_MASK))
712 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
713 else
714 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
715 if (mem_ptr == 0UL) {
716 *(u8 *)data = 0;
717 return -1;
718 }
719 addr = mem_ptr;
720 addr += start & (PAGE_SIZE - 1);
721 write_lock_irqsave(&ha->hw_lock, flags);
722
723 switch (size) {
724 case 1:
725 *(u8 *)data = readb(addr);
726 break;
727 case 2:
728 *(u16 *)data = readw(addr);
729 break;
730 case 4:
731 *(u32 *)data = readl(addr);
732 break;
733 case 8:
734 *(u64 *)data = readq(addr);
735 break;
736 default:
737 ret = -1;
738 break;
739 }
740 write_unlock_irqrestore(&ha->hw_lock, flags);
741
742 if (mem_ptr)
743 iounmap(mem_ptr);
744 return ret;
745 }
746
747 static int
748 qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
749 u64 off, void *data, int size)
750 {
751 unsigned long flags;
752 void *addr = NULL;
753 int ret = 0;
754 u64 start;
755 uint8_t *mem_ptr = NULL;
756 unsigned long mem_base;
757 unsigned long mem_page;
758 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
759
760 write_lock_irqsave(&ha->hw_lock, flags);
761
762 /*
763 * If attempting to access unknown address or straddle hw windows,
764 * do not access.
765 */
766 start = qla82xx_pci_set_window(ha, off);
767 if ((start == -1UL) ||
768 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
769 write_unlock_irqrestore(&ha->hw_lock, flags);
770 ql_log(ql_log_fatal, vha, 0xb009,
771 "%s out of bount memory "
772 "access, offset is 0x%llx.\n",
773 QLA2XXX_DRIVER_NAME, off);
774 return -1;
775 }
776
777 write_unlock_irqrestore(&ha->hw_lock, flags);
778 mem_base = pci_resource_start(ha->pdev, 0);
779 mem_page = start & PAGE_MASK;
780 /* Map two pages whenever user tries to access addresses in two
781 * consecutive pages.
782 */
783 if (mem_page != ((start + size - 1) & PAGE_MASK))
784 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
785 else
786 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
787 if (mem_ptr == 0UL)
788 return -1;
789
790 addr = mem_ptr;
791 addr += start & (PAGE_SIZE - 1);
792 write_lock_irqsave(&ha->hw_lock, flags);
793
794 switch (size) {
795 case 1:
796 writeb(*(u8 *)data, addr);
797 break;
798 case 2:
799 writew(*(u16 *)data, addr);
800 break;
801 case 4:
802 writel(*(u32 *)data, addr);
803 break;
804 case 8:
805 writeq(*(u64 *)data, addr);
806 break;
807 default:
808 ret = -1;
809 break;
810 }
811 write_unlock_irqrestore(&ha->hw_lock, flags);
812 if (mem_ptr)
813 iounmap(mem_ptr);
814 return ret;
815 }
816
817 #define MTU_FUDGE_FACTOR 100
818 static unsigned long
819 qla82xx_decode_crb_addr(unsigned long addr)
820 {
821 int i;
822 unsigned long base_addr, offset, pci_base;
823
824 if (!qla82xx_crb_table_initialized)
825 qla82xx_crb_addr_transform_setup();
826
827 pci_base = ADDR_ERROR;
828 base_addr = addr & 0xfff00000;
829 offset = addr & 0x000fffff;
830
831 for (i = 0; i < MAX_CRB_XFORM; i++) {
832 if (crb_addr_xform[i] == base_addr) {
833 pci_base = i << 20;
834 break;
835 }
836 }
837 if (pci_base == ADDR_ERROR)
838 return pci_base;
839 return pci_base + offset;
840 }
841
842 static long rom_max_timeout = 100;
843 static long qla82xx_rom_lock_timeout = 100;
844
845 static int
846 qla82xx_rom_lock(struct qla_hw_data *ha)
847 {
848 int done = 0, timeout = 0;
849
850 while (!done) {
851 /* acquire semaphore2 from PCI HW block */
852 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
853 if (done == 1)
854 break;
855 if (timeout >= qla82xx_rom_lock_timeout)
856 return -1;
857 timeout++;
858 }
859 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
860 return 0;
861 }
862
863 static void
864 qla82xx_rom_unlock(struct qla_hw_data *ha)
865 {
866 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
867 }
868
869 static int
870 qla82xx_wait_rom_busy(struct qla_hw_data *ha)
871 {
872 long timeout = 0;
873 long done = 0 ;
874 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
875
876 while (done == 0) {
877 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
878 done &= 4;
879 timeout++;
880 if (timeout >= rom_max_timeout) {
881 ql_dbg(ql_dbg_p3p, vha, 0xb00a,
882 "%s: Timeout reached waiting for rom busy.\n",
883 QLA2XXX_DRIVER_NAME);
884 return -1;
885 }
886 }
887 return 0;
888 }
889
890 static int
891 qla82xx_wait_rom_done(struct qla_hw_data *ha)
892 {
893 long timeout = 0;
894 long done = 0 ;
895 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
896
897 while (done == 0) {
898 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
899 done &= 2;
900 timeout++;
901 if (timeout >= rom_max_timeout) {
902 ql_dbg(ql_dbg_p3p, vha, 0xb00b,
903 "%s: Timeout reached waiting for rom done.\n",
904 QLA2XXX_DRIVER_NAME);
905 return -1;
906 }
907 }
908 return 0;
909 }
910
911 int
912 qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
913 {
914 uint32_t off_value, rval = 0;
915
916 WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase),
917 (off & 0xFFFF0000));
918
919 /* Read back value to make sure write has gone through */
920 RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
921 off_value = (off & 0x0000FFFF);
922
923 if (flag)
924 WRT_REG_DWORD((void *)
925 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase),
926 data);
927 else
928 rval = RD_REG_DWORD((void *)
929 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase));
930
931 return rval;
932 }
933
934 static int
935 qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
936 {
937 /* Dword reads to flash. */
938 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1);
939 *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE +
940 (addr & 0x0000FFFF), 0, 0);
941
942 return 0;
943 }
944
945 static int
946 qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
947 {
948 int ret, loops = 0;
949 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
950
951 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
952 udelay(100);
953 schedule();
954 loops++;
955 }
956 if (loops >= 50000) {
957 ql_log(ql_log_fatal, vha, 0x00b9,
958 "Failed to aquire SEM2 lock.\n");
959 return -1;
960 }
961 ret = qla82xx_do_rom_fast_read(ha, addr, valp);
962 qla82xx_rom_unlock(ha);
963 return ret;
964 }
965
966 static int
967 qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
968 {
969 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
970 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
971 qla82xx_wait_rom_busy(ha);
972 if (qla82xx_wait_rom_done(ha)) {
973 ql_log(ql_log_warn, vha, 0xb00c,
974 "Error waiting for rom done.\n");
975 return -1;
976 }
977 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
978 return 0;
979 }
980
981 static int
982 qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
983 {
984 long timeout = 0;
985 uint32_t done = 1 ;
986 uint32_t val;
987 int ret = 0;
988 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
989
990 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
991 while ((done != 0) && (ret == 0)) {
992 ret = qla82xx_read_status_reg(ha, &val);
993 done = val & 1;
994 timeout++;
995 udelay(10);
996 cond_resched();
997 if (timeout >= 50000) {
998 ql_log(ql_log_warn, vha, 0xb00d,
999 "Timeout reached waiting for write finish.\n");
1000 return -1;
1001 }
1002 }
1003 return ret;
1004 }
1005
1006 static int
1007 qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
1008 {
1009 uint32_t val;
1010 qla82xx_wait_rom_busy(ha);
1011 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1012 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
1013 qla82xx_wait_rom_busy(ha);
1014 if (qla82xx_wait_rom_done(ha))
1015 return -1;
1016 if (qla82xx_read_status_reg(ha, &val) != 0)
1017 return -1;
1018 if ((val & 2) != 2)
1019 return -1;
1020 return 0;
1021 }
1022
1023 static int
1024 qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1025 {
1026 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1027 if (qla82xx_flash_set_write_enable(ha))
1028 return -1;
1029 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1030 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1031 if (qla82xx_wait_rom_done(ha)) {
1032 ql_log(ql_log_warn, vha, 0xb00e,
1033 "Error waiting for rom done.\n");
1034 return -1;
1035 }
1036 return qla82xx_flash_wait_write_finish(ha);
1037 }
1038
1039 static int
1040 qla82xx_write_disable_flash(struct qla_hw_data *ha)
1041 {
1042 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1043 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1044 if (qla82xx_wait_rom_done(ha)) {
1045 ql_log(ql_log_warn, vha, 0xb00f,
1046 "Error waiting for rom done.\n");
1047 return -1;
1048 }
1049 return 0;
1050 }
1051
1052 static int
1053 ql82xx_rom_lock_d(struct qla_hw_data *ha)
1054 {
1055 int loops = 0;
1056 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1057
1058 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1059 udelay(100);
1060 cond_resched();
1061 loops++;
1062 }
1063 if (loops >= 50000) {
1064 ql_log(ql_log_warn, vha, 0xb010,
1065 "ROM lock failed.\n");
1066 return -1;
1067 }
1068 return 0;
1069 }
1070
1071 static int
1072 qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1073 uint32_t data)
1074 {
1075 int ret = 0;
1076 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1077
1078 ret = ql82xx_rom_lock_d(ha);
1079 if (ret < 0) {
1080 ql_log(ql_log_warn, vha, 0xb011,
1081 "ROM lock failed.\n");
1082 return ret;
1083 }
1084
1085 if (qla82xx_flash_set_write_enable(ha))
1086 goto done_write;
1087
1088 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1089 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1090 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1091 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1092 qla82xx_wait_rom_busy(ha);
1093 if (qla82xx_wait_rom_done(ha)) {
1094 ql_log(ql_log_warn, vha, 0xb012,
1095 "Error waiting for rom done.\n");
1096 ret = -1;
1097 goto done_write;
1098 }
1099
1100 ret = qla82xx_flash_wait_write_finish(ha);
1101
1102 done_write:
1103 qla82xx_rom_unlock(ha);
1104 return ret;
1105 }
1106
1107 /* This routine does CRB initialize sequence
1108 * to put the ISP into operational state
1109 */
1110 static int
1111 qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
1112 {
1113 int addr, val;
1114 int i ;
1115 struct crb_addr_pair *buf;
1116 unsigned long off;
1117 unsigned offset, n;
1118 struct qla_hw_data *ha = vha->hw;
1119
1120 struct crb_addr_pair {
1121 long addr;
1122 long data;
1123 };
1124
1125 /* Halt all the indiviual PEGs and other blocks of the ISP */
1126 qla82xx_rom_lock(ha);
1127
1128 /* disable all I2Q */
1129 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1130 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1131 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1132 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1133 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1134 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1135
1136 /* disable all niu interrupts */
1137 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1138 /* disable xge rx/tx */
1139 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1140 /* disable xg1 rx/tx */
1141 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1142 /* disable sideband mac */
1143 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1144 /* disable ap0 mac */
1145 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1146 /* disable ap1 mac */
1147 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1148
1149 /* halt sre */
1150 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1151 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1152
1153 /* halt epg */
1154 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1155
1156 /* halt timers */
1157 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1158 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1159 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1160 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1161 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1162 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1163
1164 /* halt pegs */
1165 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1166 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1167 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1168 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1169 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1170 msleep(20);
1171
1172 /* big hammer */
1173 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1174 /* don't reset CAM block on reset */
1175 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1176 else
1177 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1178 qla82xx_rom_unlock(ha);
1179
1180 /* Read the signature value from the flash.
1181 * Offset 0: Contain signature (0xcafecafe)
1182 * Offset 4: Offset and number of addr/value pairs
1183 * that present in CRB initialize sequence
1184 */
1185 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1186 qla82xx_rom_fast_read(ha, 4, &n) != 0) {
1187 ql_log(ql_log_fatal, vha, 0x006e,
1188 "Error Reading crb_init area: n: %08x.\n", n);
1189 return -1;
1190 }
1191
1192 /* Offset in flash = lower 16 bits
1193 * Number of entries = upper 16 bits
1194 */
1195 offset = n & 0xffffU;
1196 n = (n >> 16) & 0xffffU;
1197
1198 /* number of addr/value pair should not exceed 1024 entries */
1199 if (n >= 1024) {
1200 ql_log(ql_log_fatal, vha, 0x0071,
1201 "Card flash not initialized:n=0x%x.\n", n);
1202 return -1;
1203 }
1204
1205 ql_log(ql_log_info, vha, 0x0072,
1206 "%d CRB init values found in ROM.\n", n);
1207
1208 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
1209 if (buf == NULL) {
1210 ql_log(ql_log_fatal, vha, 0x010c,
1211 "Unable to allocate memory.\n");
1212 return -1;
1213 }
1214
1215 for (i = 0; i < n; i++) {
1216 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1217 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1218 kfree(buf);
1219 return -1;
1220 }
1221
1222 buf[i].addr = addr;
1223 buf[i].data = val;
1224 }
1225
1226 for (i = 0; i < n; i++) {
1227 /* Translate internal CRB initialization
1228 * address to PCI bus address
1229 */
1230 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1231 QLA82XX_PCI_CRBSPACE;
1232 /* Not all CRB addr/value pair to be written,
1233 * some of them are skipped
1234 */
1235
1236 /* skipping cold reboot MAGIC */
1237 if (off == QLA82XX_CAM_RAM(0x1fc))
1238 continue;
1239
1240 /* do not reset PCI */
1241 if (off == (ROMUSB_GLB + 0xbc))
1242 continue;
1243
1244 /* skip core clock, so that firmware can increase the clock */
1245 if (off == (ROMUSB_GLB + 0xc8))
1246 continue;
1247
1248 /* skip the function enable register */
1249 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1250 continue;
1251
1252 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1253 continue;
1254
1255 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1256 continue;
1257
1258 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1259 continue;
1260
1261 if (off == ADDR_ERROR) {
1262 ql_log(ql_log_fatal, vha, 0x0116,
1263 "Unknow addr: 0x%08lx.\n", buf[i].addr);
1264 continue;
1265 }
1266
1267 qla82xx_wr_32(ha, off, buf[i].data);
1268
1269 /* ISP requires much bigger delay to settle down,
1270 * else crb_window returns 0xffffffff
1271 */
1272 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1273 msleep(1000);
1274
1275 /* ISP requires millisec delay between
1276 * successive CRB register updation
1277 */
1278 msleep(1);
1279 }
1280
1281 kfree(buf);
1282
1283 /* Resetting the data and instruction cache */
1284 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1285 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1286 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1287
1288 /* Clear all protocol processing engines */
1289 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1290 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1291 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1292 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1293 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1294 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1295 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1296 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1297 return 0;
1298 }
1299
1300 static int
1301 qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1302 u64 off, void *data, int size)
1303 {
1304 int i, j, ret = 0, loop, sz[2], off0;
1305 int scale, shift_amount, startword;
1306 uint32_t temp;
1307 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1308
1309 /*
1310 * If not MN, go check for MS or invalid.
1311 */
1312 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1313 mem_crb = QLA82XX_CRB_QDR_NET;
1314 else {
1315 mem_crb = QLA82XX_CRB_DDR_NET;
1316 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1317 return qla82xx_pci_mem_write_direct(ha,
1318 off, data, size);
1319 }
1320
1321 off0 = off & 0x7;
1322 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1323 sz[1] = size - sz[0];
1324
1325 off8 = off & 0xfffffff0;
1326 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1327 shift_amount = 4;
1328 scale = 2;
1329 startword = (off & 0xf)/8;
1330
1331 for (i = 0; i < loop; i++) {
1332 if (qla82xx_pci_mem_read_2M(ha, off8 +
1333 (i << shift_amount), &word[i * scale], 8))
1334 return -1;
1335 }
1336
1337 switch (size) {
1338 case 1:
1339 tmpw = *((uint8_t *)data);
1340 break;
1341 case 2:
1342 tmpw = *((uint16_t *)data);
1343 break;
1344 case 4:
1345 tmpw = *((uint32_t *)data);
1346 break;
1347 case 8:
1348 default:
1349 tmpw = *((uint64_t *)data);
1350 break;
1351 }
1352
1353 if (sz[0] == 8) {
1354 word[startword] = tmpw;
1355 } else {
1356 word[startword] &=
1357 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1358 word[startword] |= tmpw << (off0 * 8);
1359 }
1360 if (sz[1] != 0) {
1361 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1362 word[startword+1] |= tmpw >> (sz[0] * 8);
1363 }
1364
1365 for (i = 0; i < loop; i++) {
1366 temp = off8 + (i << shift_amount);
1367 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1368 temp = 0;
1369 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1370 temp = word[i * scale] & 0xffffffff;
1371 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1372 temp = (word[i * scale] >> 32) & 0xffffffff;
1373 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1374 temp = word[i*scale + 1] & 0xffffffff;
1375 qla82xx_wr_32(ha, mem_crb +
1376 MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1377 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1378 qla82xx_wr_32(ha, mem_crb +
1379 MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1380
1381 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1382 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1383 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1384 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1385
1386 for (j = 0; j < MAX_CTL_CHECK; j++) {
1387 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1388 if ((temp & MIU_TA_CTL_BUSY) == 0)
1389 break;
1390 }
1391
1392 if (j >= MAX_CTL_CHECK) {
1393 if (printk_ratelimit())
1394 dev_err(&ha->pdev->dev,
1395 "failed to write through agent.\n");
1396 ret = -1;
1397 break;
1398 }
1399 }
1400
1401 return ret;
1402 }
1403
1404 static int
1405 qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1406 {
1407 int i;
1408 long size = 0;
1409 long flashaddr = ha->flt_region_bootload << 2;
1410 long memaddr = BOOTLD_START;
1411 u64 data;
1412 u32 high, low;
1413 size = (IMAGE_START - BOOTLD_START) / 8;
1414
1415 for (i = 0; i < size; i++) {
1416 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1417 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1418 return -1;
1419 }
1420 data = ((u64)high << 32) | low ;
1421 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1422 flashaddr += 8;
1423 memaddr += 8;
1424
1425 if (i % 0x1000 == 0)
1426 msleep(1);
1427 }
1428 udelay(100);
1429 read_lock(&ha->hw_lock);
1430 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1431 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1432 read_unlock(&ha->hw_lock);
1433 return 0;
1434 }
1435
1436 int
1437 qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1438 u64 off, void *data, int size)
1439 {
1440 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1441 int shift_amount;
1442 uint32_t temp;
1443 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1444
1445 /*
1446 * If not MN, go check for MS or invalid.
1447 */
1448
1449 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1450 mem_crb = QLA82XX_CRB_QDR_NET;
1451 else {
1452 mem_crb = QLA82XX_CRB_DDR_NET;
1453 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1454 return qla82xx_pci_mem_read_direct(ha,
1455 off, data, size);
1456 }
1457
1458 off8 = off & 0xfffffff0;
1459 off0[0] = off & 0xf;
1460 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1461 shift_amount = 4;
1462 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1463 off0[1] = 0;
1464 sz[1] = size - sz[0];
1465
1466 for (i = 0; i < loop; i++) {
1467 temp = off8 + (i << shift_amount);
1468 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1469 temp = 0;
1470 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1471 temp = MIU_TA_CTL_ENABLE;
1472 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1473 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1474 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1475
1476 for (j = 0; j < MAX_CTL_CHECK; j++) {
1477 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1478 if ((temp & MIU_TA_CTL_BUSY) == 0)
1479 break;
1480 }
1481
1482 if (j >= MAX_CTL_CHECK) {
1483 if (printk_ratelimit())
1484 dev_err(&ha->pdev->dev,
1485 "failed to read through agent.\n");
1486 break;
1487 }
1488
1489 start = off0[i] >> 2;
1490 end = (off0[i] + sz[i] - 1) >> 2;
1491 for (k = start; k <= end; k++) {
1492 temp = qla82xx_rd_32(ha,
1493 mem_crb + MIU_TEST_AGT_RDDATA(k));
1494 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1495 }
1496 }
1497
1498 if (j >= MAX_CTL_CHECK)
1499 return -1;
1500
1501 if ((off0[0] & 7) == 0) {
1502 val = word[0];
1503 } else {
1504 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1505 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1506 }
1507
1508 switch (size) {
1509 case 1:
1510 *(uint8_t *)data = val;
1511 break;
1512 case 2:
1513 *(uint16_t *)data = val;
1514 break;
1515 case 4:
1516 *(uint32_t *)data = val;
1517 break;
1518 case 8:
1519 *(uint64_t *)data = val;
1520 break;
1521 }
1522 return 0;
1523 }
1524
1525
1526 static struct qla82xx_uri_table_desc *
1527 qla82xx_get_table_desc(const u8 *unirom, int section)
1528 {
1529 uint32_t i;
1530 struct qla82xx_uri_table_desc *directory =
1531 (struct qla82xx_uri_table_desc *)&unirom[0];
1532 __le32 offset;
1533 __le32 tab_type;
1534 __le32 entries = cpu_to_le32(directory->num_entries);
1535
1536 for (i = 0; i < entries; i++) {
1537 offset = cpu_to_le32(directory->findex) +
1538 (i * cpu_to_le32(directory->entry_size));
1539 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1540
1541 if (tab_type == section)
1542 return (struct qla82xx_uri_table_desc *)&unirom[offset];
1543 }
1544
1545 return NULL;
1546 }
1547
1548 static struct qla82xx_uri_data_desc *
1549 qla82xx_get_data_desc(struct qla_hw_data *ha,
1550 u32 section, u32 idx_offset)
1551 {
1552 const u8 *unirom = ha->hablob->fw->data;
1553 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1554 struct qla82xx_uri_table_desc *tab_desc = NULL;
1555 __le32 offset;
1556
1557 tab_desc = qla82xx_get_table_desc(unirom, section);
1558 if (!tab_desc)
1559 return NULL;
1560
1561 offset = cpu_to_le32(tab_desc->findex) +
1562 (cpu_to_le32(tab_desc->entry_size) * idx);
1563
1564 return (struct qla82xx_uri_data_desc *)&unirom[offset];
1565 }
1566
1567 static u8 *
1568 qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1569 {
1570 u32 offset = BOOTLD_START;
1571 struct qla82xx_uri_data_desc *uri_desc = NULL;
1572
1573 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1574 uri_desc = qla82xx_get_data_desc(ha,
1575 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1576 if (uri_desc)
1577 offset = cpu_to_le32(uri_desc->findex);
1578 }
1579
1580 return (u8 *)&ha->hablob->fw->data[offset];
1581 }
1582
1583 static __le32
1584 qla82xx_get_fw_size(struct qla_hw_data *ha)
1585 {
1586 struct qla82xx_uri_data_desc *uri_desc = NULL;
1587
1588 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1589 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1590 QLA82XX_URI_FIRMWARE_IDX_OFF);
1591 if (uri_desc)
1592 return cpu_to_le32(uri_desc->size);
1593 }
1594
1595 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1596 }
1597
1598 static u8 *
1599 qla82xx_get_fw_offs(struct qla_hw_data *ha)
1600 {
1601 u32 offset = IMAGE_START;
1602 struct qla82xx_uri_data_desc *uri_desc = NULL;
1603
1604 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1605 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1606 QLA82XX_URI_FIRMWARE_IDX_OFF);
1607 if (uri_desc)
1608 offset = cpu_to_le32(uri_desc->findex);
1609 }
1610
1611 return (u8 *)&ha->hablob->fw->data[offset];
1612 }
1613
1614 /* PCI related functions */
1615 char *
1616 qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
1617 {
1618 int pcie_reg;
1619 struct qla_hw_data *ha = vha->hw;
1620 char lwstr[6];
1621 uint16_t lnk;
1622
1623 pcie_reg = pci_pcie_cap(ha->pdev);
1624 pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
1625 ha->link_width = (lnk >> 4) & 0x3f;
1626
1627 strcpy(str, "PCIe (");
1628 strcat(str, "2.5Gb/s ");
1629 snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width);
1630 strcat(str, lwstr);
1631 return str;
1632 }
1633
1634 int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1635 {
1636 unsigned long val = 0;
1637 u32 control;
1638
1639 switch (region) {
1640 case 0:
1641 val = 0;
1642 break;
1643 case 1:
1644 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1645 val = control + QLA82XX_MSIX_TBL_SPACE;
1646 break;
1647 }
1648 return val;
1649 }
1650
1651
1652 int
1653 qla82xx_iospace_config(struct qla_hw_data *ha)
1654 {
1655 uint32_t len = 0;
1656
1657 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1658 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1659 "Failed to reserver selected regions.\n");
1660 goto iospace_error_exit;
1661 }
1662
1663 /* Use MMIO operations for all accesses. */
1664 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1665 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1666 "Region #0 not an MMIO resource, aborting.\n");
1667 goto iospace_error_exit;
1668 }
1669
1670 len = pci_resource_len(ha->pdev, 0);
1671 ha->nx_pcibase =
1672 (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len);
1673 if (!ha->nx_pcibase) {
1674 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1675 "Cannot remap pcibase MMIO, aborting.\n");
1676 pci_release_regions(ha->pdev);
1677 goto iospace_error_exit;
1678 }
1679
1680 /* Mapping of IO base pointer */
1681 ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase +
1682 0xbc000 + (ha->pdev->devfn << 11));
1683
1684 if (!ql2xdbwr) {
1685 ha->nxdb_wr_ptr =
1686 (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) +
1687 (ha->pdev->devfn << 12)), 4);
1688 if (!ha->nxdb_wr_ptr) {
1689 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1690 "Cannot remap MMIO, aborting.\n");
1691 pci_release_regions(ha->pdev);
1692 goto iospace_error_exit;
1693 }
1694
1695 /* Mapping of IO base pointer,
1696 * door bell read and write pointer
1697 */
1698 ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
1699 (ha->pdev->devfn * 8);
1700 } else {
1701 ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ?
1702 QLA82XX_CAMRAM_DB1 :
1703 QLA82XX_CAMRAM_DB2);
1704 }
1705
1706 ha->max_req_queues = ha->max_rsp_queues = 1;
1707 ha->msix_count = ha->max_rsp_queues + 1;
1708 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1709 "nx_pci_base=%p iobase=%p "
1710 "max_req_queues=%d msix_count=%d.\n",
1711 (void *)ha->nx_pcibase, ha->iobase,
1712 ha->max_req_queues, ha->msix_count);
1713 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1714 "nx_pci_base=%p iobase=%p "
1715 "max_req_queues=%d msix_count=%d.\n",
1716 (void *)ha->nx_pcibase, ha->iobase,
1717 ha->max_req_queues, ha->msix_count);
1718 return 0;
1719
1720 iospace_error_exit:
1721 return -ENOMEM;
1722 }
1723
1724 /* GS related functions */
1725
1726 /* Initialization related functions */
1727
1728 /**
1729 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1730 * @ha: HA context
1731 *
1732 * Returns 0 on success.
1733 */
1734 int
1735 qla82xx_pci_config(scsi_qla_host_t *vha)
1736 {
1737 struct qla_hw_data *ha = vha->hw;
1738 int ret;
1739
1740 pci_set_master(ha->pdev);
1741 ret = pci_set_mwi(ha->pdev);
1742 ha->chip_revision = ha->pdev->revision;
1743 ql_dbg(ql_dbg_init, vha, 0x0043,
1744 "Chip revision:%d.\n",
1745 ha->chip_revision);
1746 return 0;
1747 }
1748
1749 /**
1750 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1751 * @ha: HA context
1752 *
1753 * Returns 0 on success.
1754 */
1755 void
1756 qla82xx_reset_chip(scsi_qla_host_t *vha)
1757 {
1758 struct qla_hw_data *ha = vha->hw;
1759 ha->isp_ops->disable_intrs(ha);
1760 }
1761
1762 void qla82xx_config_rings(struct scsi_qla_host *vha)
1763 {
1764 struct qla_hw_data *ha = vha->hw;
1765 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1766 struct init_cb_81xx *icb;
1767 struct req_que *req = ha->req_q_map[0];
1768 struct rsp_que *rsp = ha->rsp_q_map[0];
1769
1770 /* Setup ring parameters in initialization control block. */
1771 icb = (struct init_cb_81xx *)ha->init_cb;
1772 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1773 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1774 icb->request_q_length = cpu_to_le16(req->length);
1775 icb->response_q_length = cpu_to_le16(rsp->length);
1776 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1777 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1778 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1779 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1780
1781 WRT_REG_DWORD((unsigned long __iomem *)&reg->req_q_out[0], 0);
1782 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_in[0], 0);
1783 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_out[0], 0);
1784 }
1785
1786 void qla82xx_reset_adapter(struct scsi_qla_host *vha)
1787 {
1788 struct qla_hw_data *ha = vha->hw;
1789 vha->flags.online = 0;
1790 qla2x00_try_to_stop_firmware(vha);
1791 ha->isp_ops->disable_intrs(ha);
1792 }
1793
1794 static int
1795 qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
1796 {
1797 u64 *ptr64;
1798 u32 i, flashaddr, size;
1799 __le64 data;
1800
1801 size = (IMAGE_START - BOOTLD_START) / 8;
1802
1803 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
1804 flashaddr = BOOTLD_START;
1805
1806 for (i = 0; i < size; i++) {
1807 data = cpu_to_le64(ptr64[i]);
1808 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1809 return -EIO;
1810 flashaddr += 8;
1811 }
1812
1813 flashaddr = FLASH_ADDR_START;
1814 size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1815 ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
1816
1817 for (i = 0; i < size; i++) {
1818 data = cpu_to_le64(ptr64[i]);
1819
1820 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1821 return -EIO;
1822 flashaddr += 8;
1823 }
1824 udelay(100);
1825
1826 /* Write a magic value to CAMRAM register
1827 * at a specified offset to indicate
1828 * that all data is written and
1829 * ready for firmware to initialize.
1830 */
1831 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
1832
1833 read_lock(&ha->hw_lock);
1834 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1835 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1836 read_unlock(&ha->hw_lock);
1837 return 0;
1838 }
1839
1840 static int
1841 qla82xx_set_product_offset(struct qla_hw_data *ha)
1842 {
1843 struct qla82xx_uri_table_desc *ptab_desc = NULL;
1844 const uint8_t *unirom = ha->hablob->fw->data;
1845 uint32_t i;
1846 __le32 entries;
1847 __le32 flags, file_chiprev, offset;
1848 uint8_t chiprev = ha->chip_revision;
1849 /* Hardcoding mn_present flag for P3P */
1850 int mn_present = 0;
1851 uint32_t flagbit;
1852
1853 ptab_desc = qla82xx_get_table_desc(unirom,
1854 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1855 if (!ptab_desc)
1856 return -1;
1857
1858 entries = cpu_to_le32(ptab_desc->num_entries);
1859
1860 for (i = 0; i < entries; i++) {
1861 offset = cpu_to_le32(ptab_desc->findex) +
1862 (i * cpu_to_le32(ptab_desc->entry_size));
1863 flags = cpu_to_le32(*((int *)&unirom[offset] +
1864 QLA82XX_URI_FLAGS_OFF));
1865 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1866 QLA82XX_URI_CHIP_REV_OFF));
1867
1868 flagbit = mn_present ? 1 : 2;
1869
1870 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1871 ha->file_prd_off = offset;
1872 return 0;
1873 }
1874 }
1875 return -1;
1876 }
1877
1878 int
1879 qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1880 {
1881 __le32 val;
1882 uint32_t min_size;
1883 struct qla_hw_data *ha = vha->hw;
1884 const struct firmware *fw = ha->hablob->fw;
1885
1886 ha->fw_type = fw_type;
1887
1888 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1889 if (qla82xx_set_product_offset(ha))
1890 return -EINVAL;
1891
1892 min_size = QLA82XX_URI_FW_MIN_SIZE;
1893 } else {
1894 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1895 if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1896 return -EINVAL;
1897
1898 min_size = QLA82XX_FW_MIN_SIZE;
1899 }
1900
1901 if (fw->size < min_size)
1902 return -EINVAL;
1903 return 0;
1904 }
1905
1906 static int
1907 qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
1908 {
1909 u32 val = 0;
1910 int retries = 60;
1911 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1912
1913 do {
1914 read_lock(&ha->hw_lock);
1915 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1916 read_unlock(&ha->hw_lock);
1917
1918 switch (val) {
1919 case PHAN_INITIALIZE_COMPLETE:
1920 case PHAN_INITIALIZE_ACK:
1921 return QLA_SUCCESS;
1922 case PHAN_INITIALIZE_FAILED:
1923 break;
1924 default:
1925 break;
1926 }
1927 ql_log(ql_log_info, vha, 0x00a8,
1928 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1929 val, retries);
1930
1931 msleep(500);
1932
1933 } while (--retries);
1934
1935 ql_log(ql_log_fatal, vha, 0x00a9,
1936 "Cmd Peg initialization failed: 0x%x.\n", val);
1937
1938 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1939 read_lock(&ha->hw_lock);
1940 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1941 read_unlock(&ha->hw_lock);
1942 return QLA_FUNCTION_FAILED;
1943 }
1944
1945 static int
1946 qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
1947 {
1948 u32 val = 0;
1949 int retries = 60;
1950 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1951
1952 do {
1953 read_lock(&ha->hw_lock);
1954 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1955 read_unlock(&ha->hw_lock);
1956
1957 switch (val) {
1958 case PHAN_INITIALIZE_COMPLETE:
1959 case PHAN_INITIALIZE_ACK:
1960 return QLA_SUCCESS;
1961 case PHAN_INITIALIZE_FAILED:
1962 break;
1963 default:
1964 break;
1965 }
1966 ql_log(ql_log_info, vha, 0x00ab,
1967 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1968 val, retries);
1969
1970 msleep(500);
1971
1972 } while (--retries);
1973
1974 ql_log(ql_log_fatal, vha, 0x00ac,
1975 "Rcv Peg initializatin failed: 0x%x.\n", val);
1976 read_lock(&ha->hw_lock);
1977 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1978 read_unlock(&ha->hw_lock);
1979 return QLA_FUNCTION_FAILED;
1980 }
1981
1982 /* ISR related functions */
1983 uint32_t qla82xx_isr_int_target_mask_enable[8] = {
1984 ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1,
1985 ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3,
1986 ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5,
1987 ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7
1988 };
1989
1990 uint32_t qla82xx_isr_int_target_status[8] = {
1991 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
1992 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
1993 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
1994 ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7
1995 };
1996
1997 static struct qla82xx_legacy_intr_set legacy_intr[] = \
1998 QLA82XX_LEGACY_INTR_CONFIG;
1999
2000 /*
2001 * qla82xx_mbx_completion() - Process mailbox command completions.
2002 * @ha: SCSI driver HA context
2003 * @mb0: Mailbox0 register
2004 */
2005 static void
2006 qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2007 {
2008 uint16_t cnt;
2009 uint16_t __iomem *wptr;
2010 struct qla_hw_data *ha = vha->hw;
2011 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2012 wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
2013
2014 /* Load return mailbox registers. */
2015 ha->flags.mbox_int = 1;
2016 ha->mailbox_out[0] = mb0;
2017
2018 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2019 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2020 wptr++;
2021 }
2022
2023 if (!ha->mcp)
2024 ql_dbg(ql_dbg_async, vha, 0x5053,
2025 "MBX pointer ERROR.\n");
2026 }
2027
2028 /*
2029 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2030 * @irq:
2031 * @dev_id: SCSI driver HA context
2032 * @regs:
2033 *
2034 * Called by system whenever the host adapter generates an interrupt.
2035 *
2036 * Returns handled flag.
2037 */
2038 irqreturn_t
2039 qla82xx_intr_handler(int irq, void *dev_id)
2040 {
2041 scsi_qla_host_t *vha;
2042 struct qla_hw_data *ha;
2043 struct rsp_que *rsp;
2044 struct device_reg_82xx __iomem *reg;
2045 int status = 0, status1 = 0;
2046 unsigned long flags;
2047 unsigned long iter;
2048 uint32_t stat = 0;
2049 uint16_t mb[4];
2050
2051 rsp = (struct rsp_que *) dev_id;
2052 if (!rsp) {
2053 ql_log(ql_log_info, NULL, 0xb053,
2054 "%s: NULL response queue pointer.\n", __func__);
2055 return IRQ_NONE;
2056 }
2057 ha = rsp->hw;
2058
2059 if (!ha->flags.msi_enabled) {
2060 status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2061 if (!(status & ha->nx_legacy_intr.int_vec_bit))
2062 return IRQ_NONE;
2063
2064 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2065 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2066 return IRQ_NONE;
2067 }
2068
2069 /* clear the interrupt */
2070 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2071
2072 /* read twice to ensure write is flushed */
2073 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2074 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2075
2076 reg = &ha->iobase->isp82;
2077
2078 spin_lock_irqsave(&ha->hardware_lock, flags);
2079 vha = pci_get_drvdata(ha->pdev);
2080 for (iter = 1; iter--; ) {
2081
2082 if (RD_REG_DWORD(&reg->host_int)) {
2083 stat = RD_REG_DWORD(&reg->host_status);
2084
2085 switch (stat & 0xff) {
2086 case 0x1:
2087 case 0x2:
2088 case 0x10:
2089 case 0x11:
2090 qla82xx_mbx_completion(vha, MSW(stat));
2091 status |= MBX_INTERRUPT;
2092 break;
2093 case 0x12:
2094 mb[0] = MSW(stat);
2095 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2096 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2097 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2098 qla2x00_async_event(vha, rsp, mb);
2099 break;
2100 case 0x13:
2101 qla24xx_process_response_queue(vha, rsp);
2102 break;
2103 default:
2104 ql_dbg(ql_dbg_async, vha, 0x5054,
2105 "Unrecognized interrupt type (%d).\n",
2106 stat & 0xff);
2107 break;
2108 }
2109 }
2110 WRT_REG_DWORD(&reg->host_int, 0);
2111 }
2112 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2113 if (!ha->flags.msi_enabled)
2114 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2115
2116 #ifdef QL_DEBUG_LEVEL_17
2117 if (!irq && ha->flags.eeh_busy)
2118 ql_log(ql_log_warn, vha, 0x503d,
2119 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
2120 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
2121 #endif
2122
2123 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2124 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2125 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2126 complete(&ha->mbx_intr_comp);
2127 }
2128 return IRQ_HANDLED;
2129 }
2130
2131 irqreturn_t
2132 qla82xx_msix_default(int irq, void *dev_id)
2133 {
2134 scsi_qla_host_t *vha;
2135 struct qla_hw_data *ha;
2136 struct rsp_que *rsp;
2137 struct device_reg_82xx __iomem *reg;
2138 int status = 0;
2139 unsigned long flags;
2140 uint32_t stat = 0;
2141 uint16_t mb[4];
2142
2143 rsp = (struct rsp_que *) dev_id;
2144 if (!rsp) {
2145 printk(KERN_INFO
2146 "%s(): NULL response queue pointer.\n", __func__);
2147 return IRQ_NONE;
2148 }
2149 ha = rsp->hw;
2150
2151 reg = &ha->iobase->isp82;
2152
2153 spin_lock_irqsave(&ha->hardware_lock, flags);
2154 vha = pci_get_drvdata(ha->pdev);
2155 do {
2156 if (RD_REG_DWORD(&reg->host_int)) {
2157 stat = RD_REG_DWORD(&reg->host_status);
2158
2159 switch (stat & 0xff) {
2160 case 0x1:
2161 case 0x2:
2162 case 0x10:
2163 case 0x11:
2164 qla82xx_mbx_completion(vha, MSW(stat));
2165 status |= MBX_INTERRUPT;
2166 break;
2167 case 0x12:
2168 mb[0] = MSW(stat);
2169 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2170 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2171 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2172 qla2x00_async_event(vha, rsp, mb);
2173 break;
2174 case 0x13:
2175 qla24xx_process_response_queue(vha, rsp);
2176 break;
2177 default:
2178 ql_dbg(ql_dbg_async, vha, 0x5041,
2179 "Unrecognized interrupt type (%d).\n",
2180 stat & 0xff);
2181 break;
2182 }
2183 }
2184 WRT_REG_DWORD(&reg->host_int, 0);
2185 } while (0);
2186
2187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2188
2189 #ifdef QL_DEBUG_LEVEL_17
2190 if (!irq && ha->flags.eeh_busy)
2191 ql_log(ql_log_warn, vha, 0x5044,
2192 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
2193 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
2194 #endif
2195
2196 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2197 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2198 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2199 complete(&ha->mbx_intr_comp);
2200 }
2201 return IRQ_HANDLED;
2202 }
2203
2204 irqreturn_t
2205 qla82xx_msix_rsp_q(int irq, void *dev_id)
2206 {
2207 scsi_qla_host_t *vha;
2208 struct qla_hw_data *ha;
2209 struct rsp_que *rsp;
2210 struct device_reg_82xx __iomem *reg;
2211 unsigned long flags;
2212
2213 rsp = (struct rsp_que *) dev_id;
2214 if (!rsp) {
2215 printk(KERN_INFO
2216 "%s(): NULL response queue pointer.\n", __func__);
2217 return IRQ_NONE;
2218 }
2219
2220 ha = rsp->hw;
2221 reg = &ha->iobase->isp82;
2222 spin_lock_irqsave(&ha->hardware_lock, flags);
2223 vha = pci_get_drvdata(ha->pdev);
2224 qla24xx_process_response_queue(vha, rsp);
2225 WRT_REG_DWORD(&reg->host_int, 0);
2226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2227 return IRQ_HANDLED;
2228 }
2229
2230 void
2231 qla82xx_poll(int irq, void *dev_id)
2232 {
2233 scsi_qla_host_t *vha;
2234 struct qla_hw_data *ha;
2235 struct rsp_que *rsp;
2236 struct device_reg_82xx __iomem *reg;
2237 int status = 0;
2238 uint32_t stat;
2239 uint16_t mb[4];
2240 unsigned long flags;
2241
2242 rsp = (struct rsp_que *) dev_id;
2243 if (!rsp) {
2244 printk(KERN_INFO
2245 "%s(): NULL response queue pointer.\n", __func__);
2246 return;
2247 }
2248 ha = rsp->hw;
2249
2250 reg = &ha->iobase->isp82;
2251 spin_lock_irqsave(&ha->hardware_lock, flags);
2252 vha = pci_get_drvdata(ha->pdev);
2253
2254 if (RD_REG_DWORD(&reg->host_int)) {
2255 stat = RD_REG_DWORD(&reg->host_status);
2256 switch (stat & 0xff) {
2257 case 0x1:
2258 case 0x2:
2259 case 0x10:
2260 case 0x11:
2261 qla82xx_mbx_completion(vha, MSW(stat));
2262 status |= MBX_INTERRUPT;
2263 break;
2264 case 0x12:
2265 mb[0] = MSW(stat);
2266 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2267 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2268 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2269 qla2x00_async_event(vha, rsp, mb);
2270 break;
2271 case 0x13:
2272 qla24xx_process_response_queue(vha, rsp);
2273 break;
2274 default:
2275 ql_dbg(ql_dbg_p3p, vha, 0xb013,
2276 "Unrecognized interrupt type (%d).\n",
2277 stat * 0xff);
2278 break;
2279 }
2280 }
2281 WRT_REG_DWORD(&reg->host_int, 0);
2282 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2283 }
2284
2285 void
2286 qla82xx_enable_intrs(struct qla_hw_data *ha)
2287 {
2288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2289 qla82xx_mbx_intr_enable(vha);
2290 spin_lock_irq(&ha->hardware_lock);
2291 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2292 spin_unlock_irq(&ha->hardware_lock);
2293 ha->interrupts_on = 1;
2294 }
2295
2296 void
2297 qla82xx_disable_intrs(struct qla_hw_data *ha)
2298 {
2299 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2300 qla82xx_mbx_intr_disable(vha);
2301 spin_lock_irq(&ha->hardware_lock);
2302 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2303 spin_unlock_irq(&ha->hardware_lock);
2304 ha->interrupts_on = 0;
2305 }
2306
2307 void qla82xx_init_flags(struct qla_hw_data *ha)
2308 {
2309 struct qla82xx_legacy_intr_set *nx_legacy_intr;
2310
2311 /* ISP 8021 initializations */
2312 rwlock_init(&ha->hw_lock);
2313 ha->qdr_sn_window = -1;
2314 ha->ddr_mn_window = -1;
2315 ha->curr_window = 255;
2316 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2317 nx_legacy_intr = &legacy_intr[ha->portnum];
2318 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2319 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2320 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2321 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2322 }
2323
2324 inline void
2325 qla82xx_set_drv_active(scsi_qla_host_t *vha)
2326 {
2327 uint32_t drv_active;
2328 struct qla_hw_data *ha = vha->hw;
2329
2330 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2331
2332 /* If reset value is all FF's, initialize DRV_ACTIVE */
2333 if (drv_active == 0xffffffff) {
2334 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2335 QLA82XX_DRV_NOT_ACTIVE);
2336 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2337 }
2338 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2339 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2340 }
2341
2342 inline void
2343 qla82xx_clear_drv_active(struct qla_hw_data *ha)
2344 {
2345 uint32_t drv_active;
2346
2347 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2348 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2349 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2350 }
2351
2352 static inline int
2353 qla82xx_need_reset(struct qla_hw_data *ha)
2354 {
2355 uint32_t drv_state;
2356 int rval;
2357
2358 if (ha->flags.nic_core_reset_owner)
2359 return 1;
2360 else {
2361 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2362 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2363 return rval;
2364 }
2365 }
2366
2367 static inline void
2368 qla82xx_set_rst_ready(struct qla_hw_data *ha)
2369 {
2370 uint32_t drv_state;
2371 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2372
2373 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2374
2375 /* If reset value is all FF's, initialize DRV_STATE */
2376 if (drv_state == 0xffffffff) {
2377 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
2378 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2379 }
2380 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2381 ql_dbg(ql_dbg_init, vha, 0x00bb,
2382 "drv_state = 0x%08x.\n", drv_state);
2383 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2384 }
2385
2386 static inline void
2387 qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2388 {
2389 uint32_t drv_state;
2390
2391 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2392 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2393 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2394 }
2395
2396 static inline void
2397 qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2398 {
2399 uint32_t qsnt_state;
2400
2401 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2402 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2403 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2404 }
2405
2406 void
2407 qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2408 {
2409 struct qla_hw_data *ha = vha->hw;
2410 uint32_t qsnt_state;
2411
2412 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2413 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2414 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2415 }
2416
2417 static int
2418 qla82xx_load_fw(scsi_qla_host_t *vha)
2419 {
2420 int rst;
2421 struct fw_blob *blob;
2422 struct qla_hw_data *ha = vha->hw;
2423
2424 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
2425 ql_log(ql_log_fatal, vha, 0x009f,
2426 "Error during CRB initialization.\n");
2427 return QLA_FUNCTION_FAILED;
2428 }
2429 udelay(500);
2430
2431 /* Bring QM and CAMRAM out of reset */
2432 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2433 rst &= ~((1 << 28) | (1 << 24));
2434 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2435
2436 /*
2437 * FW Load priority:
2438 * 1) Operational firmware residing in flash.
2439 * 2) Firmware via request-firmware interface (.bin file).
2440 */
2441 if (ql2xfwloadbin == 2)
2442 goto try_blob_fw;
2443
2444 ql_log(ql_log_info, vha, 0x00a0,
2445 "Attempting to load firmware from flash.\n");
2446
2447 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
2448 ql_log(ql_log_info, vha, 0x00a1,
2449 "Firmware loaded successfully from flash.\n");
2450 return QLA_SUCCESS;
2451 } else {
2452 ql_log(ql_log_warn, vha, 0x0108,
2453 "Firmware load from flash failed.\n");
2454 }
2455
2456 try_blob_fw:
2457 ql_log(ql_log_info, vha, 0x00a2,
2458 "Attempting to load firmware from blob.\n");
2459
2460 /* Load firmware blob. */
2461 blob = ha->hablob = qla2x00_request_firmware(vha);
2462 if (!blob) {
2463 ql_log(ql_log_fatal, vha, 0x00a3,
2464 "Firmware image not present.\n");
2465 goto fw_load_failed;
2466 }
2467
2468 /* Validating firmware blob */
2469 if (qla82xx_validate_firmware_blob(vha,
2470 QLA82XX_FLASH_ROMIMAGE)) {
2471 /* Fallback to URI format */
2472 if (qla82xx_validate_firmware_blob(vha,
2473 QLA82XX_UNIFIED_ROMIMAGE)) {
2474 ql_log(ql_log_fatal, vha, 0x00a4,
2475 "No valid firmware image found.\n");
2476 return QLA_FUNCTION_FAILED;
2477 }
2478 }
2479
2480 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
2481 ql_log(ql_log_info, vha, 0x00a5,
2482 "Firmware loaded successfully from binary blob.\n");
2483 return QLA_SUCCESS;
2484 } else {
2485 ql_log(ql_log_fatal, vha, 0x00a6,
2486 "Firmware load failed for binary blob.\n");
2487 blob->fw = NULL;
2488 blob = NULL;
2489 goto fw_load_failed;
2490 }
2491 return QLA_SUCCESS;
2492
2493 fw_load_failed:
2494 return QLA_FUNCTION_FAILED;
2495 }
2496
2497 int
2498 qla82xx_start_firmware(scsi_qla_host_t *vha)
2499 {
2500 int pcie_cap;
2501 uint16_t lnk;
2502 struct qla_hw_data *ha = vha->hw;
2503
2504 /* scrub dma mask expansion register */
2505 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
2506
2507 /* Put both the PEG CMD and RCV PEG to default state
2508 * of 0 before resetting the hardware
2509 */
2510 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2511 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2512
2513 /* Overwrite stale initialization register values */
2514 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2515 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2516
2517 if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
2518 ql_log(ql_log_fatal, vha, 0x00a7,
2519 "Error trying to start fw.\n");
2520 return QLA_FUNCTION_FAILED;
2521 }
2522
2523 /* Handshake with the card before we register the devices. */
2524 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
2525 ql_log(ql_log_fatal, vha, 0x00aa,
2526 "Error during card handshake.\n");
2527 return QLA_FUNCTION_FAILED;
2528 }
2529
2530 /* Negotiated Link width */
2531 pcie_cap = pci_pcie_cap(ha->pdev);
2532 pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
2533 ha->link_width = (lnk >> 4) & 0x3f;
2534
2535 /* Synchronize with Receive peg */
2536 return qla82xx_check_rcvpeg_state(ha);
2537 }
2538
2539 static uint32_t *
2540 qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2541 uint32_t length)
2542 {
2543 uint32_t i;
2544 uint32_t val;
2545 struct qla_hw_data *ha = vha->hw;
2546
2547 /* Dword reads to flash. */
2548 for (i = 0; i < length/4; i++, faddr += 4) {
2549 if (qla82xx_rom_fast_read(ha, faddr, &val)) {
2550 ql_log(ql_log_warn, vha, 0x0106,
2551 "Do ROM fast read failed.\n");
2552 goto done_read;
2553 }
2554 dwptr[i] = __constant_cpu_to_le32(val);
2555 }
2556 done_read:
2557 return dwptr;
2558 }
2559
2560 static int
2561 qla82xx_unprotect_flash(struct qla_hw_data *ha)
2562 {
2563 int ret;
2564 uint32_t val;
2565 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2566
2567 ret = ql82xx_rom_lock_d(ha);
2568 if (ret < 0) {
2569 ql_log(ql_log_warn, vha, 0xb014,
2570 "ROM Lock failed.\n");
2571 return ret;
2572 }
2573
2574 ret = qla82xx_read_status_reg(ha, &val);
2575 if (ret < 0)
2576 goto done_unprotect;
2577
2578 val &= ~(BLOCK_PROTECT_BITS << 2);
2579 ret = qla82xx_write_status_reg(ha, val);
2580 if (ret < 0) {
2581 val |= (BLOCK_PROTECT_BITS << 2);
2582 qla82xx_write_status_reg(ha, val);
2583 }
2584
2585 if (qla82xx_write_disable_flash(ha) != 0)
2586 ql_log(ql_log_warn, vha, 0xb015,
2587 "Write disable failed.\n");
2588
2589 done_unprotect:
2590 qla82xx_rom_unlock(ha);
2591 return ret;
2592 }
2593
2594 static int
2595 qla82xx_protect_flash(struct qla_hw_data *ha)
2596 {
2597 int ret;
2598 uint32_t val;
2599 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2600
2601 ret = ql82xx_rom_lock_d(ha);
2602 if (ret < 0) {
2603 ql_log(ql_log_warn, vha, 0xb016,
2604 "ROM Lock failed.\n");
2605 return ret;
2606 }
2607
2608 ret = qla82xx_read_status_reg(ha, &val);
2609 if (ret < 0)
2610 goto done_protect;
2611
2612 val |= (BLOCK_PROTECT_BITS << 2);
2613 /* LOCK all sectors */
2614 ret = qla82xx_write_status_reg(ha, val);
2615 if (ret < 0)
2616 ql_log(ql_log_warn, vha, 0xb017,
2617 "Write status register failed.\n");
2618
2619 if (qla82xx_write_disable_flash(ha) != 0)
2620 ql_log(ql_log_warn, vha, 0xb018,
2621 "Write disable failed.\n");
2622 done_protect:
2623 qla82xx_rom_unlock(ha);
2624 return ret;
2625 }
2626
2627 static int
2628 qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
2629 {
2630 int ret = 0;
2631 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2632
2633 ret = ql82xx_rom_lock_d(ha);
2634 if (ret < 0) {
2635 ql_log(ql_log_warn, vha, 0xb019,
2636 "ROM Lock failed.\n");
2637 return ret;
2638 }
2639
2640 qla82xx_flash_set_write_enable(ha);
2641 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
2642 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
2643 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
2644
2645 if (qla82xx_wait_rom_done(ha)) {
2646 ql_log(ql_log_warn, vha, 0xb01a,
2647 "Error waiting for rom done.\n");
2648 ret = -1;
2649 goto done;
2650 }
2651 ret = qla82xx_flash_wait_write_finish(ha);
2652 done:
2653 qla82xx_rom_unlock(ha);
2654 return ret;
2655 }
2656
2657 /*
2658 * Address and length are byte address
2659 */
2660 uint8_t *
2661 qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2662 uint32_t offset, uint32_t length)
2663 {
2664 scsi_block_requests(vha->host);
2665 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
2666 scsi_unblock_requests(vha->host);
2667 return buf;
2668 }
2669
2670 static int
2671 qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
2672 uint32_t faddr, uint32_t dwords)
2673 {
2674 int ret;
2675 uint32_t liter;
2676 uint32_t sec_mask, rest_addr;
2677 dma_addr_t optrom_dma;
2678 void *optrom = NULL;
2679 int page_mode = 0;
2680 struct qla_hw_data *ha = vha->hw;
2681
2682 ret = -1;
2683
2684 /* Prepare burst-capable write on supported ISPs. */
2685 if (page_mode && !(faddr & 0xfff) &&
2686 dwords > OPTROM_BURST_DWORDS) {
2687 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2688 &optrom_dma, GFP_KERNEL);
2689 if (!optrom) {
2690 ql_log(ql_log_warn, vha, 0xb01b,
2691 "Unable to allocate memory "
2692 "for optrom burst write (%x KB).\n",
2693 OPTROM_BURST_SIZE / 1024);
2694 }
2695 }
2696
2697 rest_addr = ha->fdt_block_size - 1;
2698 sec_mask = ~rest_addr;
2699
2700 ret = qla82xx_unprotect_flash(ha);
2701 if (ret) {
2702 ql_log(ql_log_warn, vha, 0xb01c,
2703 "Unable to unprotect flash for update.\n");
2704 goto write_done;
2705 }
2706
2707 for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
2708 /* Are we at the beginning of a sector? */
2709 if ((faddr & rest_addr) == 0) {
2710
2711 ret = qla82xx_erase_sector(ha, faddr);
2712 if (ret) {
2713 ql_log(ql_log_warn, vha, 0xb01d,
2714 "Unable to erase sector: address=%x.\n",
2715 faddr);
2716 break;
2717 }
2718 }
2719
2720 /* Go with burst-write. */
2721 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
2722 /* Copy data to DMA'ble buffer. */
2723 memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
2724
2725 ret = qla2x00_load_ram(vha, optrom_dma,
2726 (ha->flash_data_off | faddr),
2727 OPTROM_BURST_DWORDS);
2728 if (ret != QLA_SUCCESS) {
2729 ql_log(ql_log_warn, vha, 0xb01e,
2730 "Unable to burst-write optrom segment "
2731 "(%x/%x/%llx).\n", ret,
2732 (ha->flash_data_off | faddr),
2733 (unsigned long long)optrom_dma);
2734 ql_log(ql_log_warn, vha, 0xb01f,
2735 "Reverting to slow-write.\n");
2736
2737 dma_free_coherent(&ha->pdev->dev,
2738 OPTROM_BURST_SIZE, optrom, optrom_dma);
2739 optrom = NULL;
2740 } else {
2741 liter += OPTROM_BURST_DWORDS - 1;
2742 faddr += OPTROM_BURST_DWORDS - 1;
2743 dwptr += OPTROM_BURST_DWORDS - 1;
2744 continue;
2745 }
2746 }
2747
2748 ret = qla82xx_write_flash_dword(ha, faddr,
2749 cpu_to_le32(*dwptr));
2750 if (ret) {
2751 ql_dbg(ql_dbg_p3p, vha, 0xb020,
2752 "Unable to program flash address=%x data=%x.\n",
2753 faddr, *dwptr);
2754 break;
2755 }
2756 }
2757
2758 ret = qla82xx_protect_flash(ha);
2759 if (ret)
2760 ql_log(ql_log_warn, vha, 0xb021,
2761 "Unable to protect flash after update.\n");
2762 write_done:
2763 if (optrom)
2764 dma_free_coherent(&ha->pdev->dev,
2765 OPTROM_BURST_SIZE, optrom, optrom_dma);
2766 return ret;
2767 }
2768
2769 int
2770 qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2771 uint32_t offset, uint32_t length)
2772 {
2773 int rval;
2774
2775 /* Suspend HBA. */
2776 scsi_block_requests(vha->host);
2777 rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
2778 length >> 2);
2779 scsi_unblock_requests(vha->host);
2780
2781 /* Convert return ISP82xx to generic */
2782 if (rval)
2783 rval = QLA_FUNCTION_FAILED;
2784 else
2785 rval = QLA_SUCCESS;
2786 return rval;
2787 }
2788
2789 void
2790 qla82xx_start_iocbs(scsi_qla_host_t *vha)
2791 {
2792 struct qla_hw_data *ha = vha->hw;
2793 struct req_que *req = ha->req_q_map[0];
2794 struct device_reg_82xx __iomem *reg;
2795 uint32_t dbval;
2796
2797 /* Adjust ring index. */
2798 req->ring_index++;
2799 if (req->ring_index == req->length) {
2800 req->ring_index = 0;
2801 req->ring_ptr = req->ring;
2802 } else
2803 req->ring_ptr++;
2804
2805 reg = &ha->iobase->isp82;
2806 dbval = 0x04 | (ha->portnum << 5);
2807
2808 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
2809 if (ql2xdbwr)
2810 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
2811 else {
2812 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
2813 wmb();
2814 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2815 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr,
2816 dbval);
2817 wmb();
2818 }
2819 }
2820 }
2821
2822 void qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
2823 {
2824 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2825
2826 if (qla82xx_rom_lock(ha))
2827 /* Someone else is holding the lock. */
2828 ql_log(ql_log_info, vha, 0xb022,
2829 "Resetting rom_lock.\n");
2830
2831 /*
2832 * Either we got the lock, or someone
2833 * else died while holding it.
2834 * In either case, unlock.
2835 */
2836 qla82xx_rom_unlock(ha);
2837 }
2838
2839 /*
2840 * qla82xx_device_bootstrap
2841 * Initialize device, set DEV_READY, start fw
2842 *
2843 * Note:
2844 * IDC lock must be held upon entry
2845 *
2846 * Return:
2847 * Success : 0
2848 * Failed : 1
2849 */
2850 static int
2851 qla82xx_device_bootstrap(scsi_qla_host_t *vha)
2852 {
2853 int rval = QLA_SUCCESS;
2854 int i, timeout;
2855 uint32_t old_count, count;
2856 struct qla_hw_data *ha = vha->hw;
2857 int need_reset = 0, peg_stuck = 1;
2858
2859 need_reset = qla82xx_need_reset(ha);
2860
2861 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2862
2863 for (i = 0; i < 10; i++) {
2864 timeout = msleep_interruptible(200);
2865 if (timeout) {
2866 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2867 QLA8XXX_DEV_FAILED);
2868 return QLA_FUNCTION_FAILED;
2869 }
2870
2871 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2872 if (count != old_count)
2873 peg_stuck = 0;
2874 }
2875
2876 if (need_reset) {
2877 /* We are trying to perform a recovery here. */
2878 if (peg_stuck)
2879 qla82xx_rom_lock_recovery(ha);
2880 goto dev_initialize;
2881 } else {
2882 /* Start of day for this ha context. */
2883 if (peg_stuck) {
2884 /* Either we are the first or recovery in progress. */
2885 qla82xx_rom_lock_recovery(ha);
2886 goto dev_initialize;
2887 } else
2888 /* Firmware already running. */
2889 goto dev_ready;
2890 }
2891
2892 return rval;
2893
2894 dev_initialize:
2895 /* set to DEV_INITIALIZING */
2896 ql_log(ql_log_info, vha, 0x009e,
2897 "HW State: INITIALIZING.\n");
2898 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
2899
2900 /* Driver that sets device state to initializating sets IDC version */
2901 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
2902
2903 qla82xx_idc_unlock(ha);
2904 rval = qla82xx_start_firmware(vha);
2905 qla82xx_idc_lock(ha);
2906
2907 if (rval != QLA_SUCCESS) {
2908 ql_log(ql_log_fatal, vha, 0x00ad,
2909 "HW State: FAILED.\n");
2910 qla82xx_clear_drv_active(ha);
2911 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED);
2912 return rval;
2913 }
2914
2915 dev_ready:
2916 ql_log(ql_log_info, vha, 0x00ae,
2917 "HW State: READY.\n");
2918 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY);
2919
2920 return QLA_SUCCESS;
2921 }
2922
2923 /*
2924 * qla82xx_need_qsnt_handler
2925 * Code to start quiescence sequence
2926 *
2927 * Note:
2928 * IDC lock must be held upon entry
2929 *
2930 * Return: void
2931 */
2932
2933 static void
2934 qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
2935 {
2936 struct qla_hw_data *ha = vha->hw;
2937 uint32_t dev_state, drv_state, drv_active;
2938 unsigned long reset_timeout;
2939
2940 if (vha->flags.online) {
2941 /*Block any further I/O and wait for pending cmnds to complete*/
2942 qla2x00_quiesce_io(vha);
2943 }
2944
2945 /* Set the quiescence ready bit */
2946 qla82xx_set_qsnt_ready(ha);
2947
2948 /*wait for 30 secs for other functions to ack */
2949 reset_timeout = jiffies + (30 * HZ);
2950
2951 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2952 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2953 /* Its 2 that is written when qsnt is acked, moving one bit */
2954 drv_active = drv_active << 0x01;
2955
2956 while (drv_state != drv_active) {
2957
2958 if (time_after_eq(jiffies, reset_timeout)) {
2959 /* quiescence timeout, other functions didn't ack
2960 * changing the state to DEV_READY
2961 */
2962 ql_log(ql_log_info, vha, 0xb023,
2963 "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d "
2964 "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME,
2965 drv_active, drv_state);
2966 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2967 QLA8XXX_DEV_READY);
2968 ql_log(ql_log_info, vha, 0xb025,
2969 "HW State: DEV_READY.\n");
2970 qla82xx_idc_unlock(ha);
2971 qla2x00_perform_loop_resync(vha);
2972 qla82xx_idc_lock(ha);
2973
2974 qla82xx_clear_qsnt_ready(vha);
2975 return;
2976 }
2977
2978 qla82xx_idc_unlock(ha);
2979 msleep(1000);
2980 qla82xx_idc_lock(ha);
2981
2982 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2983 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2984 drv_active = drv_active << 0x01;
2985 }
2986 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2987 /* everyone acked so set the state to DEV_QUIESCENCE */
2988 if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
2989 ql_log(ql_log_info, vha, 0xb026,
2990 "HW State: DEV_QUIESCENT.\n");
2991 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT);
2992 }
2993 }
2994
2995 /*
2996 * qla82xx_wait_for_state_change
2997 * Wait for device state to change from given current state
2998 *
2999 * Note:
3000 * IDC lock must not be held upon entry
3001 *
3002 * Return:
3003 * Changed device state.
3004 */
3005 uint32_t
3006 qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
3007 {
3008 struct qla_hw_data *ha = vha->hw;
3009 uint32_t dev_state;
3010
3011 do {
3012 msleep(1000);
3013 qla82xx_idc_lock(ha);
3014 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3015 qla82xx_idc_unlock(ha);
3016 } while (dev_state == curr_state);
3017
3018 return dev_state;
3019 }
3020
3021 void
3022 qla8xxx_dev_failed_handler(scsi_qla_host_t *vha)
3023 {
3024 struct qla_hw_data *ha = vha->hw;
3025
3026 /* Disable the board */
3027 ql_log(ql_log_fatal, vha, 0x00b8,
3028 "Disabling the board.\n");
3029
3030 qla82xx_clear_drv_active(ha);
3031 qla82xx_idc_unlock(ha);
3032
3033 /* Set DEV_FAILED flag to disable timer */
3034 vha->device_flags |= DFLG_DEV_FAILED;
3035 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3036 qla2x00_mark_all_devices_lost(vha, 0);
3037 vha->flags.online = 0;
3038 vha->flags.init_done = 0;
3039 }
3040
3041 /*
3042 * qla82xx_need_reset_handler
3043 * Code to start reset sequence
3044 *
3045 * Note:
3046 * IDC lock must be held upon entry
3047 *
3048 * Return:
3049 * Success : 0
3050 * Failed : 1
3051 */
3052 static void
3053 qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3054 {
3055 uint32_t dev_state, drv_state, drv_active;
3056 uint32_t active_mask = 0;
3057 unsigned long reset_timeout;
3058 struct qla_hw_data *ha = vha->hw;
3059 struct req_que *req = ha->req_q_map[0];
3060
3061 if (vha->flags.online) {
3062 qla82xx_idc_unlock(ha);
3063 qla2x00_abort_isp_cleanup(vha);
3064 ha->isp_ops->get_flash_version(vha, req->ring);
3065 ha->isp_ops->nvram_config(vha);
3066 qla82xx_idc_lock(ha);
3067 }
3068
3069 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3070 if (!ha->flags.nic_core_reset_owner) {
3071 ql_dbg(ql_dbg_p3p, vha, 0xb028,
3072 "reset_acknowledged by 0x%x\n", ha->portnum);
3073 qla82xx_set_rst_ready(ha);
3074 } else {
3075 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
3076 drv_active &= active_mask;
3077 ql_dbg(ql_dbg_p3p, vha, 0xb029,
3078 "active_mask: 0x%08x\n", active_mask);
3079 }
3080
3081 /* wait for 10 seconds for reset ack from all functions */
3082 reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
3083
3084 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3085 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3086 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3087
3088 ql_dbg(ql_dbg_p3p, vha, 0xb02a,
3089 "drv_state: 0x%08x, drv_active: 0x%08x, "
3090 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3091 drv_state, drv_active, dev_state, active_mask);
3092
3093 while (drv_state != drv_active &&
3094 dev_state != QLA8XXX_DEV_INITIALIZING) {
3095 if (time_after_eq(jiffies, reset_timeout)) {
3096 ql_log(ql_log_warn, vha, 0x00b5,
3097 "Reset timeout.\n");
3098 break;
3099 }
3100 qla82xx_idc_unlock(ha);
3101 msleep(1000);
3102 qla82xx_idc_lock(ha);
3103 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3104 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3105 if (ha->flags.nic_core_reset_owner)
3106 drv_active &= active_mask;
3107 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3108 }
3109
3110 ql_dbg(ql_dbg_p3p, vha, 0xb02b,
3111 "drv_state: 0x%08x, drv_active: 0x%08x, "
3112 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3113 drv_state, drv_active, dev_state, active_mask);
3114
3115 ql_log(ql_log_info, vha, 0x00b6,
3116 "Device state is 0x%x = %s.\n",
3117 dev_state,
3118 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3119
3120 /* Force to DEV_COLD unless someone else is starting a reset */
3121 if (dev_state != QLA8XXX_DEV_INITIALIZING &&
3122 dev_state != QLA8XXX_DEV_COLD) {
3123 ql_log(ql_log_info, vha, 0x00b7,
3124 "HW State: COLD/RE-INIT.\n");
3125 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD);
3126 qla82xx_set_rst_ready(ha);
3127 if (ql2xmdenable) {
3128 if (qla82xx_md_collect(vha))
3129 ql_log(ql_log_warn, vha, 0xb02c,
3130 "Minidump not collected.\n");
3131 } else
3132 ql_log(ql_log_warn, vha, 0xb04f,
3133 "Minidump disabled.\n");
3134 }
3135 }
3136
3137 int
3138 qla82xx_check_md_needed(scsi_qla_host_t *vha)
3139 {
3140 struct qla_hw_data *ha = vha->hw;
3141 uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
3142 int rval = QLA_SUCCESS;
3143
3144 fw_major_version = ha->fw_major_version;
3145 fw_minor_version = ha->fw_minor_version;
3146 fw_subminor_version = ha->fw_subminor_version;
3147
3148 rval = qla2x00_get_fw_version(vha);
3149 if (rval != QLA_SUCCESS)
3150 return rval;
3151
3152 if (ql2xmdenable) {
3153 if (!ha->fw_dumped) {
3154 if (fw_major_version != ha->fw_major_version ||
3155 fw_minor_version != ha->fw_minor_version ||
3156 fw_subminor_version != ha->fw_subminor_version) {
3157 ql_log(ql_log_info, vha, 0xb02d,
3158 "Firmware version differs "
3159 "Previous version: %d:%d:%d - "
3160 "New version: %d:%d:%d\n",
3161 fw_major_version, fw_minor_version,
3162 fw_subminor_version,
3163 ha->fw_major_version,
3164 ha->fw_minor_version,
3165 ha->fw_subminor_version);
3166 /* Release MiniDump resources */
3167 qla82xx_md_free(vha);
3168 /* ALlocate MiniDump resources */
3169 qla82xx_md_prep(vha);
3170 }
3171 } else
3172 ql_log(ql_log_info, vha, 0xb02e,
3173 "Firmware dump available to retrieve\n");
3174 }
3175 return rval;
3176 }
3177
3178
3179 int
3180 qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3181 {
3182 uint32_t fw_heartbeat_counter;
3183 int status = 0;
3184
3185 fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3186 QLA82XX_PEG_ALIVE_COUNTER);
3187 /* all 0xff, assume AER/EEH in progress, ignore */
3188 if (fw_heartbeat_counter == 0xffffffff) {
3189 ql_dbg(ql_dbg_timer, vha, 0x6003,
3190 "FW heartbeat counter is 0xffffffff, "
3191 "returning status=%d.\n", status);
3192 return status;
3193 }
3194 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3195 vha->seconds_since_last_heartbeat++;
3196 /* FW not alive after 2 seconds */
3197 if (vha->seconds_since_last_heartbeat == 2) {
3198 vha->seconds_since_last_heartbeat = 0;
3199 status = 1;
3200 }
3201 } else
3202 vha->seconds_since_last_heartbeat = 0;
3203 vha->fw_heartbeat_counter = fw_heartbeat_counter;
3204 if (status)
3205 ql_dbg(ql_dbg_timer, vha, 0x6004,
3206 "Returning status=%d.\n", status);
3207 return status;
3208 }
3209
3210 /*
3211 * qla82xx_device_state_handler
3212 * Main state handler
3213 *
3214 * Note:
3215 * IDC lock must be held upon entry
3216 *
3217 * Return:
3218 * Success : 0
3219 * Failed : 1
3220 */
3221 int
3222 qla82xx_device_state_handler(scsi_qla_host_t *vha)
3223 {
3224 uint32_t dev_state;
3225 uint32_t old_dev_state;
3226 int rval = QLA_SUCCESS;
3227 unsigned long dev_init_timeout;
3228 struct qla_hw_data *ha = vha->hw;
3229 int loopcount = 0;
3230
3231 qla82xx_idc_lock(ha);
3232 if (!vha->flags.init_done)
3233 qla82xx_set_drv_active(vha);
3234
3235 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3236 old_dev_state = dev_state;
3237 ql_log(ql_log_info, vha, 0x009b,
3238 "Device state is 0x%x = %s.\n",
3239 dev_state,
3240 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3241
3242 /* wait for 30 seconds for device to go ready */
3243 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
3244
3245 while (1) {
3246
3247 if (time_after_eq(jiffies, dev_init_timeout)) {
3248 ql_log(ql_log_fatal, vha, 0x009c,
3249 "Device init failed.\n");
3250 rval = QLA_FUNCTION_FAILED;
3251 break;
3252 }
3253 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3254 if (old_dev_state != dev_state) {
3255 loopcount = 0;
3256 old_dev_state = dev_state;
3257 }
3258 if (loopcount < 5) {
3259 ql_log(ql_log_info, vha, 0x009d,
3260 "Device state is 0x%x = %s.\n",
3261 dev_state,
3262 dev_state < MAX_STATES ? qdev_state(dev_state) :
3263 "Unknown");
3264 }
3265
3266 switch (dev_state) {
3267 case QLA8XXX_DEV_READY:
3268 ha->flags.nic_core_reset_owner = 0;
3269 goto rel_lock;
3270 case QLA8XXX_DEV_COLD:
3271 rval = qla82xx_device_bootstrap(vha);
3272 break;
3273 case QLA8XXX_DEV_INITIALIZING:
3274 qla82xx_idc_unlock(ha);
3275 msleep(1000);
3276 qla82xx_idc_lock(ha);
3277 break;
3278 case QLA8XXX_DEV_NEED_RESET:
3279 if (!ql2xdontresethba)
3280 qla82xx_need_reset_handler(vha);
3281 else {
3282 qla82xx_idc_unlock(ha);
3283 msleep(1000);
3284 qla82xx_idc_lock(ha);
3285 }
3286 dev_init_timeout = jiffies +
3287 (ha->fcoe_dev_init_timeout * HZ);
3288 break;
3289 case QLA8XXX_DEV_NEED_QUIESCENT:
3290 qla82xx_need_qsnt_handler(vha);
3291 /* Reset timeout value after quiescence handler */
3292 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3293 * HZ);
3294 break;
3295 case QLA8XXX_DEV_QUIESCENT:
3296 /* Owner will exit and other will wait for the state
3297 * to get changed
3298 */
3299 if (ha->flags.quiesce_owner)
3300 goto rel_lock;
3301
3302 qla82xx_idc_unlock(ha);
3303 msleep(1000);
3304 qla82xx_idc_lock(ha);
3305
3306 /* Reset timeout value after quiescence handler */
3307 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3308 * HZ);
3309 break;
3310 case QLA8XXX_DEV_FAILED:
3311 qla8xxx_dev_failed_handler(vha);
3312 rval = QLA_FUNCTION_FAILED;
3313 goto exit;
3314 default:
3315 qla82xx_idc_unlock(ha);
3316 msleep(1000);
3317 qla82xx_idc_lock(ha);
3318 }
3319 loopcount++;
3320 }
3321 rel_lock:
3322 qla82xx_idc_unlock(ha);
3323 exit:
3324 return rval;
3325 }
3326
3327 static int qla82xx_check_temp(scsi_qla_host_t *vha)
3328 {
3329 uint32_t temp, temp_state, temp_val;
3330 struct qla_hw_data *ha = vha->hw;
3331
3332 temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
3333 temp_state = qla82xx_get_temp_state(temp);
3334 temp_val = qla82xx_get_temp_val(temp);
3335
3336 if (temp_state == QLA82XX_TEMP_PANIC) {
3337 ql_log(ql_log_warn, vha, 0x600e,
3338 "Device temperature %d degrees C exceeds "
3339 " maximum allowed. Hardware has been shut down.\n",
3340 temp_val);
3341 return 1;
3342 } else if (temp_state == QLA82XX_TEMP_WARN) {
3343 ql_log(ql_log_warn, vha, 0x600f,
3344 "Device temperature %d degrees C exceeds "
3345 "operating range. Immediate action needed.\n",
3346 temp_val);
3347 }
3348 return 0;
3349 }
3350
3351 void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
3352 {
3353 struct qla_hw_data *ha = vha->hw;
3354
3355 if (ha->flags.mbox_busy) {
3356 ha->flags.mbox_int = 1;
3357 ha->flags.mbox_busy = 0;
3358 ql_log(ql_log_warn, vha, 0x6010,
3359 "Doing premature completion of mbx command.\n");
3360 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
3361 complete(&ha->mbx_intr_comp);
3362 }
3363 }
3364
3365 void qla82xx_watchdog(scsi_qla_host_t *vha)
3366 {
3367 uint32_t dev_state, halt_status;
3368 struct qla_hw_data *ha = vha->hw;
3369
3370 /* don't poll if reset is going on */
3371 if (!ha->flags.nic_core_reset_hdlr_active) {
3372 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3373 if (qla82xx_check_temp(vha)) {
3374 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3375 ha->flags.isp82xx_fw_hung = 1;
3376 qla82xx_clear_pending_mbx(vha);
3377 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
3378 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
3379 ql_log(ql_log_warn, vha, 0x6001,
3380 "Adapter reset needed.\n");
3381 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3382 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
3383 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
3384 ql_log(ql_log_warn, vha, 0x6002,
3385 "Quiescent needed.\n");
3386 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
3387 } else if (dev_state == QLA8XXX_DEV_FAILED &&
3388 !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) &&
3389 vha->flags.online == 1) {
3390 ql_log(ql_log_warn, vha, 0xb055,
3391 "Adapter state is failed. Offlining.\n");
3392 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3393 ha->flags.isp82xx_fw_hung = 1;
3394 qla82xx_clear_pending_mbx(vha);
3395 } else {
3396 if (qla82xx_check_fw_alive(vha)) {
3397 ql_dbg(ql_dbg_timer, vha, 0x6011,
3398 "disabling pause transmit on port 0 & 1.\n");
3399 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
3400 CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
3401 halt_status = qla82xx_rd_32(ha,
3402 QLA82XX_PEG_HALT_STATUS1);
3403 ql_log(ql_log_info, vha, 0x6005,
3404 "dumping hw/fw registers:.\n "
3405 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3406 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3407 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3408 " PEG_NET_4_PC: 0x%x.\n", halt_status,
3409 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3410 qla82xx_rd_32(ha,
3411 QLA82XX_CRB_PEG_NET_0 + 0x3c),
3412 qla82xx_rd_32(ha,
3413 QLA82XX_CRB_PEG_NET_1 + 0x3c),
3414 qla82xx_rd_32(ha,
3415 QLA82XX_CRB_PEG_NET_2 + 0x3c),
3416 qla82xx_rd_32(ha,
3417 QLA82XX_CRB_PEG_NET_3 + 0x3c),
3418 qla82xx_rd_32(ha,
3419 QLA82XX_CRB_PEG_NET_4 + 0x3c));
3420 if (((halt_status & 0x1fffff00) >> 8) == 0x67)
3421 ql_log(ql_log_warn, vha, 0xb052,
3422 "Firmware aborted with "
3423 "error code 0x00006700. Device is "
3424 "being reset.\n");
3425 if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3426 set_bit(ISP_UNRECOVERABLE,
3427 &vha->dpc_flags);
3428 } else {
3429 ql_log(ql_log_info, vha, 0x6006,
3430 "Detect abort needed.\n");
3431 set_bit(ISP_ABORT_NEEDED,
3432 &vha->dpc_flags);
3433 }
3434 ha->flags.isp82xx_fw_hung = 1;
3435 ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
3436 qla82xx_clear_pending_mbx(vha);
3437 }
3438 }
3439 }
3440 }
3441
3442 int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3443 {
3444 int rval;
3445 rval = qla82xx_device_state_handler(vha);
3446 return rval;
3447 }
3448
3449 void
3450 qla82xx_set_reset_owner(scsi_qla_host_t *vha)
3451 {
3452 struct qla_hw_data *ha = vha->hw;
3453 uint32_t dev_state;
3454
3455 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3456 if (dev_state == QLA8XXX_DEV_READY) {
3457 ql_log(ql_log_info, vha, 0xb02f,
3458 "HW State: NEED RESET\n");
3459 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3460 QLA8XXX_DEV_NEED_RESET);
3461 ha->flags.nic_core_reset_owner = 1;
3462 ql_dbg(ql_dbg_p3p, vha, 0xb030,
3463 "reset_owner is 0x%x\n", ha->portnum);
3464 } else
3465 ql_log(ql_log_info, vha, 0xb031,
3466 "Device state is 0x%x = %s.\n",
3467 dev_state,
3468 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3469 }
3470
3471 /*
3472 * qla82xx_abort_isp
3473 * Resets ISP and aborts all outstanding commands.
3474 *
3475 * Input:
3476 * ha = adapter block pointer.
3477 *
3478 * Returns:
3479 * 0 = success
3480 */
3481 int
3482 qla82xx_abort_isp(scsi_qla_host_t *vha)
3483 {
3484 int rval;
3485 struct qla_hw_data *ha = vha->hw;
3486
3487 if (vha->device_flags & DFLG_DEV_FAILED) {
3488 ql_log(ql_log_warn, vha, 0x8024,
3489 "Device in failed state, exiting.\n");
3490 return QLA_SUCCESS;
3491 }
3492 ha->flags.nic_core_reset_hdlr_active = 1;
3493
3494 qla82xx_idc_lock(ha);
3495 qla82xx_set_reset_owner(vha);
3496 qla82xx_idc_unlock(ha);
3497
3498 rval = qla82xx_device_state_handler(vha);
3499
3500 qla82xx_idc_lock(ha);
3501 qla82xx_clear_rst_ready(ha);
3502 qla82xx_idc_unlock(ha);
3503
3504 if (rval == QLA_SUCCESS) {
3505 ha->flags.isp82xx_fw_hung = 0;
3506 ha->flags.nic_core_reset_hdlr_active = 0;
3507 qla82xx_restart_isp(vha);
3508 }
3509
3510 if (rval) {
3511 vha->flags.online = 1;
3512 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3513 if (ha->isp_abort_cnt == 0) {
3514 ql_log(ql_log_warn, vha, 0x8027,
3515 "ISP error recover failed - board "
3516 "disabled.\n");
3517 /*
3518 * The next call disables the board
3519 * completely.
3520 */
3521 ha->isp_ops->reset_adapter(vha);
3522 vha->flags.online = 0;
3523 clear_bit(ISP_ABORT_RETRY,
3524 &vha->dpc_flags);
3525 rval = QLA_SUCCESS;
3526 } else { /* schedule another ISP abort */
3527 ha->isp_abort_cnt--;
3528 ql_log(ql_log_warn, vha, 0x8036,
3529 "ISP abort - retry remaining %d.\n",
3530 ha->isp_abort_cnt);
3531 rval = QLA_FUNCTION_FAILED;
3532 }
3533 } else {
3534 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3535 ql_dbg(ql_dbg_taskm, vha, 0x8029,
3536 "ISP error recovery - retrying (%d) more times.\n",
3537 ha->isp_abort_cnt);
3538 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3539 rval = QLA_FUNCTION_FAILED;
3540 }
3541 }
3542 return rval;
3543 }
3544
3545 /*
3546 * qla82xx_fcoe_ctx_reset
3547 * Perform a quick reset and aborts all outstanding commands.
3548 * This will only perform an FCoE context reset and avoids a full blown
3549 * chip reset.
3550 *
3551 * Input:
3552 * ha = adapter block pointer.
3553 * is_reset_path = flag for identifying the reset path.
3554 *
3555 * Returns:
3556 * 0 = success
3557 */
3558 int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3559 {
3560 int rval = QLA_FUNCTION_FAILED;
3561
3562 if (vha->flags.online) {
3563 /* Abort all outstanding commands, so as to be requeued later */
3564 qla2x00_abort_isp_cleanup(vha);
3565 }
3566
3567 /* Stop currently executing firmware.
3568 * This will destroy existing FCoE context at the F/W end.
3569 */
3570 qla2x00_try_to_stop_firmware(vha);
3571
3572 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3573 rval = qla82xx_restart_isp(vha);
3574
3575 return rval;
3576 }
3577
3578 /*
3579 * qla2x00_wait_for_fcoe_ctx_reset
3580 * Wait till the FCoE context is reset.
3581 *
3582 * Note:
3583 * Does context switching here.
3584 * Release SPIN_LOCK (if any) before calling this routine.
3585 *
3586 * Return:
3587 * Success (fcoe_ctx reset is done) : 0
3588 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
3589 */
3590 int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3591 {
3592 int status = QLA_FUNCTION_FAILED;
3593 unsigned long wait_reset;
3594
3595 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3596 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3597 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3598 && time_before(jiffies, wait_reset)) {
3599
3600 set_current_state(TASK_UNINTERRUPTIBLE);
3601 schedule_timeout(HZ);
3602
3603 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3604 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3605 status = QLA_SUCCESS;
3606 break;
3607 }
3608 }
3609 ql_dbg(ql_dbg_p3p, vha, 0xb027,
3610 "%s: status=%d.\n", __func__, status);
3611
3612 return status;
3613 }
3614
3615 void
3616 qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3617 {
3618 int i;
3619 unsigned long flags;
3620 struct qla_hw_data *ha = vha->hw;
3621
3622 /* Check if 82XX firmware is alive or not
3623 * We may have arrived here from NEED_RESET
3624 * detection only
3625 */
3626 if (!ha->flags.isp82xx_fw_hung) {
3627 for (i = 0; i < 2; i++) {
3628 msleep(1000);
3629 if (qla82xx_check_fw_alive(vha)) {
3630 ha->flags.isp82xx_fw_hung = 1;
3631 qla82xx_clear_pending_mbx(vha);
3632 break;
3633 }
3634 }
3635 }
3636 ql_dbg(ql_dbg_init, vha, 0x00b0,
3637 "Entered %s fw_hung=%d.\n",
3638 __func__, ha->flags.isp82xx_fw_hung);
3639
3640 /* Abort all commands gracefully if fw NOT hung */
3641 if (!ha->flags.isp82xx_fw_hung) {
3642 int cnt, que;
3643 srb_t *sp;
3644 struct req_que *req;
3645
3646 spin_lock_irqsave(&ha->hardware_lock, flags);
3647 for (que = 0; que < ha->max_req_queues; que++) {
3648 req = ha->req_q_map[que];
3649 if (!req)
3650 continue;
3651 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3652 sp = req->outstanding_cmds[cnt];
3653 if (sp) {
3654 if (!sp->u.scmd.ctx ||
3655 (sp->flags & SRB_FCP_CMND_DMA_VALID)) {
3656 spin_unlock_irqrestore(
3657 &ha->hardware_lock, flags);
3658 if (ha->isp_ops->abort_command(sp)) {
3659 ql_log(ql_log_info, vha,
3660 0x00b1,
3661 "mbx abort failed.\n");
3662 } else {
3663 ql_log(ql_log_info, vha,
3664 0x00b2,
3665 "mbx abort success.\n");
3666 }
3667 spin_lock_irqsave(&ha->hardware_lock, flags);
3668 }
3669 }
3670 }
3671 }
3672 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3673
3674 /* Wait for pending cmds (physical and virtual) to complete */
3675 if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3676 WAIT_HOST) == QLA_SUCCESS) {
3677 ql_dbg(ql_dbg_init, vha, 0x00b3,
3678 "Done wait for "
3679 "pending commands.\n");
3680 }
3681 }
3682 }
3683
3684 /* Minidump related functions */
3685 static int
3686 qla82xx_minidump_process_control(scsi_qla_host_t *vha,
3687 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3688 {
3689 struct qla_hw_data *ha = vha->hw;
3690 struct qla82xx_md_entry_crb *crb_entry;
3691 uint32_t read_value, opcode, poll_time;
3692 uint32_t addr, index, crb_addr;
3693 unsigned long wtime;
3694 struct qla82xx_md_template_hdr *tmplt_hdr;
3695 uint32_t rval = QLA_SUCCESS;
3696 int i;
3697
3698 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
3699 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
3700 crb_addr = crb_entry->addr;
3701
3702 for (i = 0; i < crb_entry->op_count; i++) {
3703 opcode = crb_entry->crb_ctrl.opcode;
3704 if (opcode & QLA82XX_DBG_OPCODE_WR) {
3705 qla82xx_md_rw_32(ha, crb_addr,
3706 crb_entry->value_1, 1);
3707 opcode &= ~QLA82XX_DBG_OPCODE_WR;
3708 }
3709
3710 if (opcode & QLA82XX_DBG_OPCODE_RW) {
3711 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3712 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3713 opcode &= ~QLA82XX_DBG_OPCODE_RW;
3714 }
3715
3716 if (opcode & QLA82XX_DBG_OPCODE_AND) {
3717 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3718 read_value &= crb_entry->value_2;
3719 opcode &= ~QLA82XX_DBG_OPCODE_AND;
3720 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3721 read_value |= crb_entry->value_3;
3722 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3723 }
3724 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3725 }
3726
3727 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3728 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3729 read_value |= crb_entry->value_3;
3730 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3731 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3732 }
3733
3734 if (opcode & QLA82XX_DBG_OPCODE_POLL) {
3735 poll_time = crb_entry->crb_strd.poll_timeout;
3736 wtime = jiffies + poll_time;
3737 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3738
3739 do {
3740 if ((read_value & crb_entry->value_2)
3741 == crb_entry->value_1)
3742 break;
3743 else if (time_after_eq(jiffies, wtime)) {
3744 /* capturing dump failed */
3745 rval = QLA_FUNCTION_FAILED;
3746 break;
3747 } else
3748 read_value = qla82xx_md_rw_32(ha,
3749 crb_addr, 0, 0);
3750 } while (1);
3751 opcode &= ~QLA82XX_DBG_OPCODE_POLL;
3752 }
3753
3754 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
3755 if (crb_entry->crb_strd.state_index_a) {
3756 index = crb_entry->crb_strd.state_index_a;
3757 addr = tmplt_hdr->saved_state_array[index];
3758 } else
3759 addr = crb_addr;
3760
3761 read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3762 index = crb_entry->crb_ctrl.state_index_v;
3763 tmplt_hdr->saved_state_array[index] = read_value;
3764 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
3765 }
3766
3767 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
3768 if (crb_entry->crb_strd.state_index_a) {
3769 index = crb_entry->crb_strd.state_index_a;
3770 addr = tmplt_hdr->saved_state_array[index];
3771 } else
3772 addr = crb_addr;
3773
3774 if (crb_entry->crb_ctrl.state_index_v) {
3775 index = crb_entry->crb_ctrl.state_index_v;
3776 read_value =
3777 tmplt_hdr->saved_state_array[index];
3778 } else
3779 read_value = crb_entry->value_1;
3780
3781 qla82xx_md_rw_32(ha, addr, read_value, 1);
3782 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
3783 }
3784
3785 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
3786 index = crb_entry->crb_ctrl.state_index_v;
3787 read_value = tmplt_hdr->saved_state_array[index];
3788 read_value <<= crb_entry->crb_ctrl.shl;
3789 read_value >>= crb_entry->crb_ctrl.shr;
3790 if (crb_entry->value_2)
3791 read_value &= crb_entry->value_2;
3792 read_value |= crb_entry->value_3;
3793 read_value += crb_entry->value_1;
3794 tmplt_hdr->saved_state_array[index] = read_value;
3795 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
3796 }
3797 crb_addr += crb_entry->crb_strd.addr_stride;
3798 }
3799 return rval;
3800 }
3801
3802 static void
3803 qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
3804 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3805 {
3806 struct qla_hw_data *ha = vha->hw;
3807 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3808 struct qla82xx_md_entry_rdocm *ocm_hdr;
3809 uint32_t *data_ptr = *d_ptr;
3810
3811 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
3812 r_addr = ocm_hdr->read_addr;
3813 r_stride = ocm_hdr->read_addr_stride;
3814 loop_cnt = ocm_hdr->op_count;
3815
3816 for (i = 0; i < loop_cnt; i++) {
3817 r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase));
3818 *data_ptr++ = cpu_to_le32(r_value);
3819 r_addr += r_stride;
3820 }
3821 *d_ptr = data_ptr;
3822 }
3823
3824 static void
3825 qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
3826 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3827 {
3828 struct qla_hw_data *ha = vha->hw;
3829 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
3830 struct qla82xx_md_entry_mux *mux_hdr;
3831 uint32_t *data_ptr = *d_ptr;
3832
3833 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
3834 r_addr = mux_hdr->read_addr;
3835 s_addr = mux_hdr->select_addr;
3836 s_stride = mux_hdr->select_value_stride;
3837 s_value = mux_hdr->select_value;
3838 loop_cnt = mux_hdr->op_count;
3839
3840 for (i = 0; i < loop_cnt; i++) {
3841 qla82xx_md_rw_32(ha, s_addr, s_value, 1);
3842 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3843 *data_ptr++ = cpu_to_le32(s_value);
3844 *data_ptr++ = cpu_to_le32(r_value);
3845 s_value += s_stride;
3846 }
3847 *d_ptr = data_ptr;
3848 }
3849
3850 static void
3851 qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
3852 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3853 {
3854 struct qla_hw_data *ha = vha->hw;
3855 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3856 struct qla82xx_md_entry_crb *crb_hdr;
3857 uint32_t *data_ptr = *d_ptr;
3858
3859 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
3860 r_addr = crb_hdr->addr;
3861 r_stride = crb_hdr->crb_strd.addr_stride;
3862 loop_cnt = crb_hdr->op_count;
3863
3864 for (i = 0; i < loop_cnt; i++) {
3865 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3866 *data_ptr++ = cpu_to_le32(r_addr);
3867 *data_ptr++ = cpu_to_le32(r_value);
3868 r_addr += r_stride;
3869 }
3870 *d_ptr = data_ptr;
3871 }
3872
3873 static int
3874 qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
3875 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3876 {
3877 struct qla_hw_data *ha = vha->hw;
3878 uint32_t addr, r_addr, c_addr, t_r_addr;
3879 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3880 unsigned long p_wait, w_time, p_mask;
3881 uint32_t c_value_w, c_value_r;
3882 struct qla82xx_md_entry_cache *cache_hdr;
3883 int rval = QLA_FUNCTION_FAILED;
3884 uint32_t *data_ptr = *d_ptr;
3885
3886 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3887 loop_count = cache_hdr->op_count;
3888 r_addr = cache_hdr->read_addr;
3889 c_addr = cache_hdr->control_addr;
3890 c_value_w = cache_hdr->cache_ctrl.write_value;
3891
3892 t_r_addr = cache_hdr->tag_reg_addr;
3893 t_value = cache_hdr->addr_ctrl.init_tag_value;
3894 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3895 p_wait = cache_hdr->cache_ctrl.poll_wait;
3896 p_mask = cache_hdr->cache_ctrl.poll_mask;
3897
3898 for (i = 0; i < loop_count; i++) {
3899 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3900 if (c_value_w)
3901 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3902
3903 if (p_mask) {
3904 w_time = jiffies + p_wait;
3905 do {
3906 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
3907 if ((c_value_r & p_mask) == 0)
3908 break;
3909 else if (time_after_eq(jiffies, w_time)) {
3910 /* capturing dump failed */
3911 ql_dbg(ql_dbg_p3p, vha, 0xb032,
3912 "c_value_r: 0x%x, poll_mask: 0x%lx, "
3913 "w_time: 0x%lx\n",
3914 c_value_r, p_mask, w_time);
3915 return rval;
3916 }
3917 } while (1);
3918 }
3919
3920 addr = r_addr;
3921 for (k = 0; k < r_cnt; k++) {
3922 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3923 *data_ptr++ = cpu_to_le32(r_value);
3924 addr += cache_hdr->read_ctrl.read_addr_stride;
3925 }
3926 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3927 }
3928 *d_ptr = data_ptr;
3929 return QLA_SUCCESS;
3930 }
3931
3932 static void
3933 qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
3934 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3935 {
3936 struct qla_hw_data *ha = vha->hw;
3937 uint32_t addr, r_addr, c_addr, t_r_addr;
3938 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3939 uint32_t c_value_w;
3940 struct qla82xx_md_entry_cache *cache_hdr;
3941 uint32_t *data_ptr = *d_ptr;
3942
3943 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3944 loop_count = cache_hdr->op_count;
3945 r_addr = cache_hdr->read_addr;
3946 c_addr = cache_hdr->control_addr;
3947 c_value_w = cache_hdr->cache_ctrl.write_value;
3948
3949 t_r_addr = cache_hdr->tag_reg_addr;
3950 t_value = cache_hdr->addr_ctrl.init_tag_value;
3951 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3952
3953 for (i = 0; i < loop_count; i++) {
3954 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3955 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3956 addr = r_addr;
3957 for (k = 0; k < r_cnt; k++) {
3958 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3959 *data_ptr++ = cpu_to_le32(r_value);
3960 addr += cache_hdr->read_ctrl.read_addr_stride;
3961 }
3962 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3963 }
3964 *d_ptr = data_ptr;
3965 }
3966
3967 static void
3968 qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
3969 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3970 {
3971 struct qla_hw_data *ha = vha->hw;
3972 uint32_t s_addr, r_addr;
3973 uint32_t r_stride, r_value, r_cnt, qid = 0;
3974 uint32_t i, k, loop_cnt;
3975 struct qla82xx_md_entry_queue *q_hdr;
3976 uint32_t *data_ptr = *d_ptr;
3977
3978 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
3979 s_addr = q_hdr->select_addr;
3980 r_cnt = q_hdr->rd_strd.read_addr_cnt;
3981 r_stride = q_hdr->rd_strd.read_addr_stride;
3982 loop_cnt = q_hdr->op_count;
3983
3984 for (i = 0; i < loop_cnt; i++) {
3985 qla82xx_md_rw_32(ha, s_addr, qid, 1);
3986 r_addr = q_hdr->read_addr;
3987 for (k = 0; k < r_cnt; k++) {
3988 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3989 *data_ptr++ = cpu_to_le32(r_value);
3990 r_addr += r_stride;
3991 }
3992 qid += q_hdr->q_strd.queue_id_stride;
3993 }
3994 *d_ptr = data_ptr;
3995 }
3996
3997 static void
3998 qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
3999 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4000 {
4001 struct qla_hw_data *ha = vha->hw;
4002 uint32_t r_addr, r_value;
4003 uint32_t i, loop_cnt;
4004 struct qla82xx_md_entry_rdrom *rom_hdr;
4005 uint32_t *data_ptr = *d_ptr;
4006
4007 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
4008 r_addr = rom_hdr->read_addr;
4009 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
4010
4011 for (i = 0; i < loop_cnt; i++) {
4012 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
4013 (r_addr & 0xFFFF0000), 1);
4014 r_value = qla82xx_md_rw_32(ha,
4015 MD_DIRECT_ROM_READ_BASE +
4016 (r_addr & 0x0000FFFF), 0, 0);
4017 *data_ptr++ = cpu_to_le32(r_value);
4018 r_addr += sizeof(uint32_t);
4019 }
4020 *d_ptr = data_ptr;
4021 }
4022
4023 static int
4024 qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
4025 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4026 {
4027 struct qla_hw_data *ha = vha->hw;
4028 uint32_t r_addr, r_value, r_data;
4029 uint32_t i, j, loop_cnt;
4030 struct qla82xx_md_entry_rdmem *m_hdr;
4031 unsigned long flags;
4032 int rval = QLA_FUNCTION_FAILED;
4033 uint32_t *data_ptr = *d_ptr;
4034
4035 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
4036 r_addr = m_hdr->read_addr;
4037 loop_cnt = m_hdr->read_data_size/16;
4038
4039 if (r_addr & 0xf) {
4040 ql_log(ql_log_warn, vha, 0xb033,
4041 "Read addr 0x%x not 16 bytes aligned\n", r_addr);
4042 return rval;
4043 }
4044
4045 if (m_hdr->read_data_size % 16) {
4046 ql_log(ql_log_warn, vha, 0xb034,
4047 "Read data[0x%x] not multiple of 16 bytes\n",
4048 m_hdr->read_data_size);
4049 return rval;
4050 }
4051
4052 ql_dbg(ql_dbg_p3p, vha, 0xb035,
4053 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
4054 __func__, r_addr, m_hdr->read_data_size, loop_cnt);
4055
4056 write_lock_irqsave(&ha->hw_lock, flags);
4057 for (i = 0; i < loop_cnt; i++) {
4058 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
4059 r_value = 0;
4060 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
4061 r_value = MIU_TA_CTL_ENABLE;
4062 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4063 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
4064 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4065
4066 for (j = 0; j < MAX_CTL_CHECK; j++) {
4067 r_value = qla82xx_md_rw_32(ha,
4068 MD_MIU_TEST_AGT_CTRL, 0, 0);
4069 if ((r_value & MIU_TA_CTL_BUSY) == 0)
4070 break;
4071 }
4072
4073 if (j >= MAX_CTL_CHECK) {
4074 printk_ratelimited(KERN_ERR
4075 "failed to read through agent\n");
4076 write_unlock_irqrestore(&ha->hw_lock, flags);
4077 return rval;
4078 }
4079
4080 for (j = 0; j < 4; j++) {
4081 r_data = qla82xx_md_rw_32(ha,
4082 MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
4083 *data_ptr++ = cpu_to_le32(r_data);
4084 }
4085 r_addr += 16;
4086 }
4087 write_unlock_irqrestore(&ha->hw_lock, flags);
4088 *d_ptr = data_ptr;
4089 return QLA_SUCCESS;
4090 }
4091
4092 static int
4093 qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
4094 {
4095 struct qla_hw_data *ha = vha->hw;
4096 uint64_t chksum = 0;
4097 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
4098 int count = ha->md_template_size/sizeof(uint32_t);
4099
4100 while (count-- > 0)
4101 chksum += *d_ptr++;
4102 while (chksum >> 32)
4103 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
4104 return ~chksum;
4105 }
4106
4107 static void
4108 qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
4109 qla82xx_md_entry_hdr_t *entry_hdr, int index)
4110 {
4111 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
4112 ql_dbg(ql_dbg_p3p, vha, 0xb036,
4113 "Skipping entry[%d]: "
4114 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4115 index, entry_hdr->entry_type,
4116 entry_hdr->d_ctrl.entry_capture_mask);
4117 }
4118
4119 int
4120 qla82xx_md_collect(scsi_qla_host_t *vha)
4121 {
4122 struct qla_hw_data *ha = vha->hw;
4123 int no_entry_hdr = 0;
4124 qla82xx_md_entry_hdr_t *entry_hdr;
4125 struct qla82xx_md_template_hdr *tmplt_hdr;
4126 uint32_t *data_ptr;
4127 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
4128 int i = 0, rval = QLA_FUNCTION_FAILED;
4129
4130 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4131 data_ptr = (uint32_t *)ha->md_dump;
4132
4133 if (ha->fw_dumped) {
4134 ql_log(ql_log_warn, vha, 0xb037,
4135 "Firmware has been previously dumped (%p) "
4136 "-- ignoring request.\n", ha->fw_dump);
4137 goto md_failed;
4138 }
4139
4140 ha->fw_dumped = 0;
4141
4142 if (!ha->md_tmplt_hdr || !ha->md_dump) {
4143 ql_log(ql_log_warn, vha, 0xb038,
4144 "Memory not allocated for minidump capture\n");
4145 goto md_failed;
4146 }
4147
4148 if (ha->flags.isp82xx_no_md_cap) {
4149 ql_log(ql_log_warn, vha, 0xb054,
4150 "Forced reset from application, "
4151 "ignore minidump capture\n");
4152 ha->flags.isp82xx_no_md_cap = 0;
4153 goto md_failed;
4154 }
4155
4156 if (qla82xx_validate_template_chksum(vha)) {
4157 ql_log(ql_log_info, vha, 0xb039,
4158 "Template checksum validation error\n");
4159 goto md_failed;
4160 }
4161
4162 no_entry_hdr = tmplt_hdr->num_of_entries;
4163 ql_dbg(ql_dbg_p3p, vha, 0xb03a,
4164 "No of entry headers in Template: 0x%x\n", no_entry_hdr);
4165
4166 ql_dbg(ql_dbg_p3p, vha, 0xb03b,
4167 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
4168
4169 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
4170
4171 /* Validate whether required debug level is set */
4172 if ((f_capture_mask & 0x3) != 0x3) {
4173 ql_log(ql_log_warn, vha, 0xb03c,
4174 "Minimum required capture mask[0x%x] level not set\n",
4175 f_capture_mask);
4176 goto md_failed;
4177 }
4178 tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
4179
4180 tmplt_hdr->driver_info[0] = vha->host_no;
4181 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
4182 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
4183 QLA_DRIVER_BETA_VER;
4184
4185 total_data_size = ha->md_dump_size;
4186
4187 ql_dbg(ql_dbg_p3p, vha, 0xb03d,
4188 "Total minidump data_size 0x%x to be captured\n", total_data_size);
4189
4190 /* Check whether template obtained is valid */
4191 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
4192 ql_log(ql_log_warn, vha, 0xb04e,
4193 "Bad template header entry type: 0x%x obtained\n",
4194 tmplt_hdr->entry_type);
4195 goto md_failed;
4196 }
4197
4198 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4199 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
4200
4201 /* Walk through the entry headers */
4202 for (i = 0; i < no_entry_hdr; i++) {
4203
4204 if (data_collected > total_data_size) {
4205 ql_log(ql_log_warn, vha, 0xb03e,
4206 "More MiniDump data collected: [0x%x]\n",
4207 data_collected);
4208 goto md_failed;
4209 }
4210
4211 if (!(entry_hdr->d_ctrl.entry_capture_mask &
4212 ql2xmdcapmask)) {
4213 entry_hdr->d_ctrl.driver_flags |=
4214 QLA82XX_DBG_SKIPPED_FLAG;
4215 ql_dbg(ql_dbg_p3p, vha, 0xb03f,
4216 "Skipping entry[%d]: "
4217 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4218 i, entry_hdr->entry_type,
4219 entry_hdr->d_ctrl.entry_capture_mask);
4220 goto skip_nxt_entry;
4221 }
4222
4223 ql_dbg(ql_dbg_p3p, vha, 0xb040,
4224 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
4225 "entry_type: 0x%x, captrue_mask: 0x%x\n",
4226 __func__, i, data_ptr, entry_hdr,
4227 entry_hdr->entry_type,
4228 entry_hdr->d_ctrl.entry_capture_mask);
4229
4230 ql_dbg(ql_dbg_p3p, vha, 0xb041,
4231 "Data collected: [0x%x], Dump size left:[0x%x]\n",
4232 data_collected, (ha->md_dump_size - data_collected));
4233
4234 /* Decode the entry type and take
4235 * required action to capture debug data */
4236 switch (entry_hdr->entry_type) {
4237 case QLA82XX_RDEND:
4238 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4239 break;
4240 case QLA82XX_CNTRL:
4241 rval = qla82xx_minidump_process_control(vha,
4242 entry_hdr, &data_ptr);
4243 if (rval != QLA_SUCCESS) {
4244 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4245 goto md_failed;
4246 }
4247 break;
4248 case QLA82XX_RDCRB:
4249 qla82xx_minidump_process_rdcrb(vha,
4250 entry_hdr, &data_ptr);
4251 break;
4252 case QLA82XX_RDMEM:
4253 rval = qla82xx_minidump_process_rdmem(vha,
4254 entry_hdr, &data_ptr);
4255 if (rval != QLA_SUCCESS) {
4256 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4257 goto md_failed;
4258 }
4259 break;
4260 case QLA82XX_BOARD:
4261 case QLA82XX_RDROM:
4262 qla82xx_minidump_process_rdrom(vha,
4263 entry_hdr, &data_ptr);
4264 break;
4265 case QLA82XX_L2DTG:
4266 case QLA82XX_L2ITG:
4267 case QLA82XX_L2DAT:
4268 case QLA82XX_L2INS:
4269 rval = qla82xx_minidump_process_l2tag(vha,
4270 entry_hdr, &data_ptr);
4271 if (rval != QLA_SUCCESS) {
4272 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4273 goto md_failed;
4274 }
4275 break;
4276 case QLA82XX_L1DAT:
4277 case QLA82XX_L1INS:
4278 qla82xx_minidump_process_l1cache(vha,
4279 entry_hdr, &data_ptr);
4280 break;
4281 case QLA82XX_RDOCM:
4282 qla82xx_minidump_process_rdocm(vha,
4283 entry_hdr, &data_ptr);
4284 break;
4285 case QLA82XX_RDMUX:
4286 qla82xx_minidump_process_rdmux(vha,
4287 entry_hdr, &data_ptr);
4288 break;
4289 case QLA82XX_QUEUE:
4290 qla82xx_minidump_process_queue(vha,
4291 entry_hdr, &data_ptr);
4292 break;
4293 case QLA82XX_RDNOP:
4294 default:
4295 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4296 break;
4297 }
4298
4299 ql_dbg(ql_dbg_p3p, vha, 0xb042,
4300 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
4301
4302 data_collected = (uint8_t *)data_ptr -
4303 (uint8_t *)ha->md_dump;
4304 skip_nxt_entry:
4305 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4306 (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
4307 }
4308
4309 if (data_collected != total_data_size) {
4310 ql_dbg(ql_dbg_p3p, vha, 0xb043,
4311 "MiniDump data mismatch: Data collected: [0x%x],"
4312 "total_data_size:[0x%x]\n",
4313 data_collected, total_data_size);
4314 goto md_failed;
4315 }
4316
4317 ql_log(ql_log_info, vha, 0xb044,
4318 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
4319 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
4320 ha->fw_dumped = 1;
4321 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
4322
4323 md_failed:
4324 return rval;
4325 }
4326
4327 int
4328 qla82xx_md_alloc(scsi_qla_host_t *vha)
4329 {
4330 struct qla_hw_data *ha = vha->hw;
4331 int i, k;
4332 struct qla82xx_md_template_hdr *tmplt_hdr;
4333
4334 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4335
4336 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
4337 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
4338 ql_log(ql_log_info, vha, 0xb045,
4339 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
4340 ql2xmdcapmask);
4341 }
4342
4343 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
4344 if (i & ql2xmdcapmask)
4345 ha->md_dump_size += tmplt_hdr->capture_size_array[k];
4346 }
4347
4348 if (ha->md_dump) {
4349 ql_log(ql_log_warn, vha, 0xb046,
4350 "Firmware dump previously allocated.\n");
4351 return 1;
4352 }
4353
4354 ha->md_dump = vmalloc(ha->md_dump_size);
4355 if (ha->md_dump == NULL) {
4356 ql_log(ql_log_warn, vha, 0xb047,
4357 "Unable to allocate memory for Minidump size "
4358 "(0x%x).\n", ha->md_dump_size);
4359 return 1;
4360 }
4361 return 0;
4362 }
4363
4364 void
4365 qla82xx_md_free(scsi_qla_host_t *vha)
4366 {
4367 struct qla_hw_data *ha = vha->hw;
4368
4369 /* Release the template header allocated */
4370 if (ha->md_tmplt_hdr) {
4371 ql_log(ql_log_info, vha, 0xb048,
4372 "Free MiniDump template: %p, size (%d KB)\n",
4373 ha->md_tmplt_hdr, ha->md_template_size / 1024);
4374 dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
4375 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4376 ha->md_tmplt_hdr = 0;
4377 }
4378
4379 /* Release the template data buffer allocated */
4380 if (ha->md_dump) {
4381 ql_log(ql_log_info, vha, 0xb049,
4382 "Free MiniDump memory: %p, size (%d KB)\n",
4383 ha->md_dump, ha->md_dump_size / 1024);
4384 vfree(ha->md_dump);
4385 ha->md_dump_size = 0;
4386 ha->md_dump = 0;
4387 }
4388 }
4389
4390 void
4391 qla82xx_md_prep(scsi_qla_host_t *vha)
4392 {
4393 struct qla_hw_data *ha = vha->hw;
4394 int rval;
4395
4396 /* Get Minidump template size */
4397 rval = qla82xx_md_get_template_size(vha);
4398 if (rval == QLA_SUCCESS) {
4399 ql_log(ql_log_info, vha, 0xb04a,
4400 "MiniDump Template size obtained (%d KB)\n",
4401 ha->md_template_size / 1024);
4402
4403 /* Get Minidump template */
4404 rval = qla82xx_md_get_template(vha);
4405 if (rval == QLA_SUCCESS) {
4406 ql_dbg(ql_dbg_p3p, vha, 0xb04b,
4407 "MiniDump Template obtained\n");
4408
4409 /* Allocate memory for minidump */
4410 rval = qla82xx_md_alloc(vha);
4411 if (rval == QLA_SUCCESS)
4412 ql_log(ql_log_info, vha, 0xb04c,
4413 "MiniDump memory allocated (%d KB)\n",
4414 ha->md_dump_size / 1024);
4415 else {
4416 ql_log(ql_log_info, vha, 0xb04d,
4417 "Free MiniDump template: %p, size: (%d KB)\n",
4418 ha->md_tmplt_hdr,
4419 ha->md_template_size / 1024);
4420 dma_free_coherent(&ha->pdev->dev,
4421 ha->md_template_size,
4422 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4423 ha->md_tmplt_hdr = 0;
4424 }
4425
4426 }
4427 }
4428 }
4429
4430 int
4431 qla82xx_beacon_on(struct scsi_qla_host *vha)
4432 {
4433
4434 int rval;
4435 struct qla_hw_data *ha = vha->hw;
4436 qla82xx_idc_lock(ha);
4437 rval = qla82xx_mbx_beacon_ctl(vha, 1);
4438
4439 if (rval) {
4440 ql_log(ql_log_warn, vha, 0xb050,
4441 "mbx set led config failed in %s\n", __func__);
4442 goto exit;
4443 }
4444 ha->beacon_blink_led = 1;
4445 exit:
4446 qla82xx_idc_unlock(ha);
4447 return rval;
4448 }
4449
4450 int
4451 qla82xx_beacon_off(struct scsi_qla_host *vha)
4452 {
4453
4454 int rval;
4455 struct qla_hw_data *ha = vha->hw;
4456 qla82xx_idc_lock(ha);
4457 rval = qla82xx_mbx_beacon_ctl(vha, 0);
4458
4459 if (rval) {
4460 ql_log(ql_log_warn, vha, 0xb051,
4461 "mbx set led config failed in %s\n", __func__);
4462 goto exit;
4463 }
4464 ha->beacon_blink_led = 0;
4465 exit:
4466 qla82xx_idc_unlock(ha);
4467 return rval;
4468 }
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