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blk-mq: always free hctx after request queue is freed
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_nx.c
blobf2f54806f4da9dac0aa90431e3aee47abeef2550
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 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 static 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 const int MD_MIU_TEST_AGT_RDDATA[] = {
46 0x410000A8, 0x410000AC,
47 0x410000B8, 0x410000BC
48 };
49
50 static void qla82xx_crb_addr_transform_setup(void)
51 {
52 qla82xx_crb_addr_transform(XDMA);
53 qla82xx_crb_addr_transform(TIMR);
54 qla82xx_crb_addr_transform(SRE);
55 qla82xx_crb_addr_transform(SQN3);
56 qla82xx_crb_addr_transform(SQN2);
57 qla82xx_crb_addr_transform(SQN1);
58 qla82xx_crb_addr_transform(SQN0);
59 qla82xx_crb_addr_transform(SQS3);
60 qla82xx_crb_addr_transform(SQS2);
61 qla82xx_crb_addr_transform(SQS1);
62 qla82xx_crb_addr_transform(SQS0);
63 qla82xx_crb_addr_transform(RPMX7);
64 qla82xx_crb_addr_transform(RPMX6);
65 qla82xx_crb_addr_transform(RPMX5);
66 qla82xx_crb_addr_transform(RPMX4);
67 qla82xx_crb_addr_transform(RPMX3);
68 qla82xx_crb_addr_transform(RPMX2);
69 qla82xx_crb_addr_transform(RPMX1);
70 qla82xx_crb_addr_transform(RPMX0);
71 qla82xx_crb_addr_transform(ROMUSB);
72 qla82xx_crb_addr_transform(SN);
73 qla82xx_crb_addr_transform(QMN);
74 qla82xx_crb_addr_transform(QMS);
75 qla82xx_crb_addr_transform(PGNI);
76 qla82xx_crb_addr_transform(PGND);
77 qla82xx_crb_addr_transform(PGN3);
78 qla82xx_crb_addr_transform(PGN2);
79 qla82xx_crb_addr_transform(PGN1);
80 qla82xx_crb_addr_transform(PGN0);
81 qla82xx_crb_addr_transform(PGSI);
82 qla82xx_crb_addr_transform(PGSD);
83 qla82xx_crb_addr_transform(PGS3);
84 qla82xx_crb_addr_transform(PGS2);
85 qla82xx_crb_addr_transform(PGS1);
86 qla82xx_crb_addr_transform(PGS0);
87 qla82xx_crb_addr_transform(PS);
88 qla82xx_crb_addr_transform(PH);
89 qla82xx_crb_addr_transform(NIU);
90 qla82xx_crb_addr_transform(I2Q);
91 qla82xx_crb_addr_transform(EG);
92 qla82xx_crb_addr_transform(MN);
93 qla82xx_crb_addr_transform(MS);
94 qla82xx_crb_addr_transform(CAS2);
95 qla82xx_crb_addr_transform(CAS1);
96 qla82xx_crb_addr_transform(CAS0);
97 qla82xx_crb_addr_transform(CAM);
98 qla82xx_crb_addr_transform(C2C1);
99 qla82xx_crb_addr_transform(C2C0);
100 qla82xx_crb_addr_transform(SMB);
101 qla82xx_crb_addr_transform(OCM0);
102 /*
103 * Used only in P3 just define it for P2 also.
104 */
105 qla82xx_crb_addr_transform(I2C0);
106
107 qla82xx_crb_table_initialized = 1;
108 }
109
110 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
111 {{{0, 0, 0, 0} } },
112 {{{1, 0x0100000, 0x0102000, 0x120000},
113 {1, 0x0110000, 0x0120000, 0x130000},
114 {1, 0x0120000, 0x0122000, 0x124000},
115 {1, 0x0130000, 0x0132000, 0x126000},
116 {1, 0x0140000, 0x0142000, 0x128000},
117 {1, 0x0150000, 0x0152000, 0x12a000},
118 {1, 0x0160000, 0x0170000, 0x110000},
119 {1, 0x0170000, 0x0172000, 0x12e000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {0, 0x0000000, 0x0000000, 0x000000},
125 {0, 0x0000000, 0x0000000, 0x000000},
126 {1, 0x01e0000, 0x01e0800, 0x122000},
127 {0, 0x0000000, 0x0000000, 0x000000} } } ,
128 {{{1, 0x0200000, 0x0210000, 0x180000} } },
129 {{{0, 0, 0, 0} } },
130 {{{1, 0x0400000, 0x0401000, 0x169000} } },
131 {{{1, 0x0500000, 0x0510000, 0x140000} } },
132 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
133 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
134 {{{1, 0x0800000, 0x0802000, 0x170000},
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 {0, 0x0000000, 0x0000000, 0x000000},
145 {0, 0x0000000, 0x0000000, 0x000000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {0, 0x0000000, 0x0000000, 0x000000},
148 {0, 0x0000000, 0x0000000, 0x000000},
149 {1, 0x08f0000, 0x08f2000, 0x172000} } },
150 {{{1, 0x0900000, 0x0902000, 0x174000},
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 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {1, 0x09f0000, 0x09f2000, 0x176000} } },
166 {{{0, 0x0a00000, 0x0a02000, 0x178000},
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 {0, 0x0000000, 0x0000000, 0x000000},
177 {0, 0x0000000, 0x0000000, 0x000000},
178 {0, 0x0000000, 0x0000000, 0x000000},
179 {0, 0x0000000, 0x0000000, 0x000000},
180 {0, 0x0000000, 0x0000000, 0x000000},
181 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
182 {{{0, 0x0b00000, 0x0b02000, 0x17c000},
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 {0, 0x0000000, 0x0000000, 0x000000},
193 {0, 0x0000000, 0x0000000, 0x000000},
194 {0, 0x0000000, 0x0000000, 0x000000},
195 {0, 0x0000000, 0x0000000, 0x000000},
196 {0, 0x0000000, 0x0000000, 0x000000},
197 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
198 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
199 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
200 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
201 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
202 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
203 {{{1, 0x1100000, 0x1101000, 0x160000} } },
204 {{{1, 0x1200000, 0x1201000, 0x161000} } },
205 {{{1, 0x1300000, 0x1301000, 0x162000} } },
206 {{{1, 0x1400000, 0x1401000, 0x163000} } },
207 {{{1, 0x1500000, 0x1501000, 0x165000} } },
208 {{{1, 0x1600000, 0x1601000, 0x166000} } },
209 {{{0, 0, 0, 0} } },
210 {{{0, 0, 0, 0} } },
211 {{{0, 0, 0, 0} } },
212 {{{0, 0, 0, 0} } },
213 {{{0, 0, 0, 0} } },
214 {{{0, 0, 0, 0} } },
215 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
216 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
217 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
218 {{{0} } },
219 {{{1, 0x2100000, 0x2102000, 0x120000},
220 {1, 0x2110000, 0x2120000, 0x130000},
221 {1, 0x2120000, 0x2122000, 0x124000},
222 {1, 0x2130000, 0x2132000, 0x126000},
223 {1, 0x2140000, 0x2142000, 0x128000},
224 {1, 0x2150000, 0x2152000, 0x12a000},
225 {1, 0x2160000, 0x2170000, 0x110000},
226 {1, 0x2170000, 0x2172000, 0x12e000},
227 {0, 0x0000000, 0x0000000, 0x000000},
228 {0, 0x0000000, 0x0000000, 0x000000},
229 {0, 0x0000000, 0x0000000, 0x000000},
230 {0, 0x0000000, 0x0000000, 0x000000},
231 {0, 0x0000000, 0x0000000, 0x000000},
232 {0, 0x0000000, 0x0000000, 0x000000},
233 {0, 0x0000000, 0x0000000, 0x000000},
234 {0, 0x0000000, 0x0000000, 0x000000} } },
235 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
236 {{{0} } },
237 {{{0} } },
238 {{{0} } },
239 {{{0} } },
240 {{{0} } },
241 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
242 {{{1, 0x2900000, 0x2901000, 0x16b000} } },
243 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
244 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
245 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
246 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
247 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
248 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
249 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
250 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
251 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
252 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
253 {{{0} } },
254 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
255 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
256 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
257 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
258 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
259 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
260 {{{0} } },
261 {{{0} } },
262 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
263 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
264 {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
265 };
266
267 /*
268 * top 12 bits of crb internal address (hub, agent)
269 */
270 static unsigned qla82xx_crb_hub_agt[64] = {
271 0,
272 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
273 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
275 0,
276 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
277 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
296 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
298 0,
299 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
300 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
301 0,
302 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
303 0,
304 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
305 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
306 0,
307 0,
308 0,
309 0,
310 0,
311 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
312 0,
313 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
318 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
321 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
323 0,
324 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
325 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
326 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
327 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
328 0,
329 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
330 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
331 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
332 0,
333 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
334 0,
335 };
336
337 /* Device states */
338 static char *q_dev_state[] = {
339 "Unknown",
340 "Cold",
341 "Initializing",
342 "Ready",
343 "Need Reset",
344 "Need Quiescent",
345 "Failed",
346 "Quiescent",
347 };
348
349 char *qdev_state(uint32_t dev_state)
350 {
351 return q_dev_state[dev_state];
352 }
353
354 /*
355 * In: 'off_in' is offset from CRB space in 128M pci map
356 * Out: 'off_out' is 2M pci map addr
357 * side effect: lock crb window
358 */
359 static void
360 qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong off_in,
361 void __iomem **off_out)
362 {
363 u32 win_read;
364 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
365
366 ha->crb_win = CRB_HI(off_in);
367 writel(ha->crb_win, CRB_WINDOW_2M + ha->nx_pcibase);
368
369 /* Read back value to make sure write has gone through before trying
370 * to use it.
371 */
372 win_read = RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
373 if (win_read != ha->crb_win) {
374 ql_dbg(ql_dbg_p3p, vha, 0xb000,
375 "%s: Written crbwin (0x%x) "
376 "!= Read crbwin (0x%x), off=0x%lx.\n",
377 __func__, ha->crb_win, win_read, off_in);
378 }
379 *off_out = (off_in & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
380 }
381
382 static inline unsigned long
383 qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
384 {
385 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
386 /* See if we are currently pointing to the region we want to use next */
387 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
388 /* No need to change window. PCIX and PCIEregs are in both
389 * regs are in both windows.
390 */
391 return off;
392 }
393
394 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
395 /* We are in first CRB window */
396 if (ha->curr_window != 0)
397 WARN_ON(1);
398 return off;
399 }
400
401 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
402 /* We are in second CRB window */
403 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
404
405 if (ha->curr_window != 1)
406 return off;
407
408 /* We are in the QM or direct access
409 * register region - do nothing
410 */
411 if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
412 (off < QLA82XX_PCI_CAMQM_MAX))
413 return off;
414 }
415 /* strange address given */
416 ql_dbg(ql_dbg_p3p, vha, 0xb001,
417 "%s: Warning: unm_nic_pci_set_crbwindow "
418 "called with an unknown address(%llx).\n",
419 QLA2XXX_DRIVER_NAME, off);
420 return off;
421 }
422
423 static int
424 qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in,
425 void __iomem **off_out)
426 {
427 struct crb_128M_2M_sub_block_map *m;
428
429 if (off_in >= QLA82XX_CRB_MAX)
430 return -1;
431
432 if (off_in >= QLA82XX_PCI_CAMQM && off_in < QLA82XX_PCI_CAMQM_2M_END) {
433 *off_out = (off_in - QLA82XX_PCI_CAMQM) +
434 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
435 return 0;
436 }
437
438 if (off_in < QLA82XX_PCI_CRBSPACE)
439 return -1;
440
441 off_in -= QLA82XX_PCI_CRBSPACE;
442
443 /* Try direct map */
444 m = &crb_128M_2M_map[CRB_BLK(off_in)].sub_block[CRB_SUBBLK(off_in)];
445
446 if (m->valid && (m->start_128M <= off_in) && (m->end_128M > off_in)) {
447 *off_out = off_in + m->start_2M - m->start_128M + ha->nx_pcibase;
448 return 0;
449 }
450 /* Not in direct map, use crb window */
451 *off_out = (void __iomem *)off_in;
452 return 1;
453 }
454
455 #define CRB_WIN_LOCK_TIMEOUT 100000000
456 static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
457 {
458 int done = 0, timeout = 0;
459
460 while (!done) {
461 /* acquire semaphore3 from PCI HW block */
462 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
463 if (done == 1)
464 break;
465 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
466 return -1;
467 timeout++;
468 }
469 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
470 return 0;
471 }
472
473 int
474 qla82xx_wr_32(struct qla_hw_data *ha, ulong off_in, u32 data)
475 {
476 void __iomem *off;
477 unsigned long flags = 0;
478 int rv;
479
480 rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
481
482 BUG_ON(rv == -1);
483
484 if (rv == 1) {
485 #ifndef __CHECKER__
486 write_lock_irqsave(&ha->hw_lock, flags);
487 #endif
488 qla82xx_crb_win_lock(ha);
489 qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
490 }
491
492 writel(data, (void __iomem *)off);
493
494 if (rv == 1) {
495 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
496 #ifndef __CHECKER__
497 write_unlock_irqrestore(&ha->hw_lock, flags);
498 #endif
499 }
500 return 0;
501 }
502
503 int
504 qla82xx_rd_32(struct qla_hw_data *ha, ulong off_in)
505 {
506 void __iomem *off;
507 unsigned long flags = 0;
508 int rv;
509 u32 data;
510
511 rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
512
513 BUG_ON(rv == -1);
514
515 if (rv == 1) {
516 #ifndef __CHECKER__
517 write_lock_irqsave(&ha->hw_lock, flags);
518 #endif
519 qla82xx_crb_win_lock(ha);
520 qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
521 }
522 data = RD_REG_DWORD(off);
523
524 if (rv == 1) {
525 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
526 #ifndef __CHECKER__
527 write_unlock_irqrestore(&ha->hw_lock, flags);
528 #endif
529 }
530 return data;
531 }
532
533 #define IDC_LOCK_TIMEOUT 100000000
534 int qla82xx_idc_lock(struct qla_hw_data *ha)
535 {
536 int i;
537 int done = 0, timeout = 0;
538
539 while (!done) {
540 /* acquire semaphore5 from PCI HW block */
541 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
542 if (done == 1)
543 break;
544 if (timeout >= IDC_LOCK_TIMEOUT)
545 return -1;
546
547 timeout++;
548
549 /* Yield CPU */
550 if (!in_interrupt())
551 schedule();
552 else {
553 for (i = 0; i < 20; i++)
554 cpu_relax();
555 }
556 }
557
558 return 0;
559 }
560
561 void qla82xx_idc_unlock(struct qla_hw_data *ha)
562 {
563 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
564 }
565
566 /*
567 * check memory access boundary.
568 * used by test agent. support ddr access only for now
569 */
570 static unsigned long
571 qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
572 unsigned long long addr, int size)
573 {
574 if (!addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
575 QLA82XX_ADDR_DDR_NET_MAX) ||
576 !addr_in_range(addr + size - 1, QLA82XX_ADDR_DDR_NET,
577 QLA82XX_ADDR_DDR_NET_MAX) ||
578 ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
579 return 0;
580 else
581 return 1;
582 }
583
584 static int qla82xx_pci_set_window_warning_count;
585
586 static unsigned long
587 qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
588 {
589 int window;
590 u32 win_read;
591 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
592
593 if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
594 QLA82XX_ADDR_DDR_NET_MAX)) {
595 /* DDR network side */
596 window = MN_WIN(addr);
597 ha->ddr_mn_window = window;
598 qla82xx_wr_32(ha,
599 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
600 win_read = qla82xx_rd_32(ha,
601 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
602 if ((win_read << 17) != window) {
603 ql_dbg(ql_dbg_p3p, vha, 0xb003,
604 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
605 __func__, window, win_read);
606 }
607 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
608 } else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
609 QLA82XX_ADDR_OCM0_MAX)) {
610 unsigned int temp1;
611 if ((addr & 0x00ff800) == 0xff800) {
612 ql_log(ql_log_warn, vha, 0xb004,
613 "%s: QM access not handled.\n", __func__);
614 addr = -1UL;
615 }
616 window = OCM_WIN(addr);
617 ha->ddr_mn_window = window;
618 qla82xx_wr_32(ha,
619 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
620 win_read = qla82xx_rd_32(ha,
621 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
622 temp1 = ((window & 0x1FF) << 7) |
623 ((window & 0x0FFFE0000) >> 17);
624 if (win_read != temp1) {
625 ql_log(ql_log_warn, vha, 0xb005,
626 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
627 __func__, temp1, win_read);
628 }
629 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
630
631 } else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET,
632 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
633 /* QDR network side */
634 window = MS_WIN(addr);
635 ha->qdr_sn_window = window;
636 qla82xx_wr_32(ha,
637 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
638 win_read = qla82xx_rd_32(ha,
639 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
640 if (win_read != window) {
641 ql_log(ql_log_warn, vha, 0xb006,
642 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
643 __func__, window, win_read);
644 }
645 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
646 } else {
647 /*
648 * peg gdb frequently accesses memory that doesn't exist,
649 * this limits the chit chat so debugging isn't slowed down.
650 */
651 if ((qla82xx_pci_set_window_warning_count++ < 8) ||
652 (qla82xx_pci_set_window_warning_count%64 == 0)) {
653 ql_log(ql_log_warn, vha, 0xb007,
654 "%s: Warning:%s Unknown address range!.\n",
655 __func__, QLA2XXX_DRIVER_NAME);
656 }
657 addr = -1UL;
658 }
659 return addr;
660 }
661
662 /* check if address is in the same windows as the previous access */
663 static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
664 unsigned long long addr)
665 {
666 int window;
667 unsigned long long qdr_max;
668
669 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
670
671 /* DDR network side */
672 if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
673 QLA82XX_ADDR_DDR_NET_MAX))
674 BUG();
675 else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
676 QLA82XX_ADDR_OCM0_MAX))
677 return 1;
678 else if (addr_in_range(addr, QLA82XX_ADDR_OCM1,
679 QLA82XX_ADDR_OCM1_MAX))
680 return 1;
681 else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
682 /* QDR network side */
683 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
684 if (ha->qdr_sn_window == window)
685 return 1;
686 }
687 return 0;
688 }
689
690 static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
691 u64 off, void *data, int size)
692 {
693 unsigned long flags;
694 void __iomem *addr = NULL;
695 int ret = 0;
696 u64 start;
697 uint8_t __iomem *mem_ptr = NULL;
698 unsigned long mem_base;
699 unsigned long mem_page;
700 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
701
702 write_lock_irqsave(&ha->hw_lock, flags);
703
704 /*
705 * If attempting to access unknown address or straddle hw windows,
706 * do not access.
707 */
708 start = qla82xx_pci_set_window(ha, off);
709 if ((start == -1UL) ||
710 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
711 write_unlock_irqrestore(&ha->hw_lock, flags);
712 ql_log(ql_log_fatal, vha, 0xb008,
713 "%s out of bound pci memory "
714 "access, offset is 0x%llx.\n",
715 QLA2XXX_DRIVER_NAME, off);
716 return -1;
717 }
718
719 write_unlock_irqrestore(&ha->hw_lock, flags);
720 mem_base = pci_resource_start(ha->pdev, 0);
721 mem_page = start & PAGE_MASK;
722 /* Map two pages whenever user tries to access addresses in two
723 * consecutive pages.
724 */
725 if (mem_page != ((start + size - 1) & PAGE_MASK))
726 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
727 else
728 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
729 if (mem_ptr == NULL) {
730 *(u8 *)data = 0;
731 return -1;
732 }
733 addr = mem_ptr;
734 addr += start & (PAGE_SIZE - 1);
735 write_lock_irqsave(&ha->hw_lock, flags);
736
737 switch (size) {
738 case 1:
739 *(u8 *)data = readb(addr);
740 break;
741 case 2:
742 *(u16 *)data = readw(addr);
743 break;
744 case 4:
745 *(u32 *)data = readl(addr);
746 break;
747 case 8:
748 *(u64 *)data = readq(addr);
749 break;
750 default:
751 ret = -1;
752 break;
753 }
754 write_unlock_irqrestore(&ha->hw_lock, flags);
755
756 if (mem_ptr)
757 iounmap(mem_ptr);
758 return ret;
759 }
760
761 static int
762 qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
763 u64 off, void *data, int size)
764 {
765 unsigned long flags;
766 void __iomem *addr = NULL;
767 int ret = 0;
768 u64 start;
769 uint8_t __iomem *mem_ptr = NULL;
770 unsigned long mem_base;
771 unsigned long mem_page;
772 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
773
774 write_lock_irqsave(&ha->hw_lock, flags);
775
776 /*
777 * If attempting to access unknown address or straddle hw windows,
778 * do not access.
779 */
780 start = qla82xx_pci_set_window(ha, off);
781 if ((start == -1UL) ||
782 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
783 write_unlock_irqrestore(&ha->hw_lock, flags);
784 ql_log(ql_log_fatal, vha, 0xb009,
785 "%s out of bound memory "
786 "access, offset is 0x%llx.\n",
787 QLA2XXX_DRIVER_NAME, off);
788 return -1;
789 }
790
791 write_unlock_irqrestore(&ha->hw_lock, flags);
792 mem_base = pci_resource_start(ha->pdev, 0);
793 mem_page = start & PAGE_MASK;
794 /* Map two pages whenever user tries to access addresses in two
795 * consecutive pages.
796 */
797 if (mem_page != ((start + size - 1) & PAGE_MASK))
798 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
799 else
800 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
801 if (mem_ptr == NULL)
802 return -1;
803
804 addr = mem_ptr;
805 addr += start & (PAGE_SIZE - 1);
806 write_lock_irqsave(&ha->hw_lock, flags);
807
808 switch (size) {
809 case 1:
810 writeb(*(u8 *)data, addr);
811 break;
812 case 2:
813 writew(*(u16 *)data, addr);
814 break;
815 case 4:
816 writel(*(u32 *)data, addr);
817 break;
818 case 8:
819 writeq(*(u64 *)data, addr);
820 break;
821 default:
822 ret = -1;
823 break;
824 }
825 write_unlock_irqrestore(&ha->hw_lock, flags);
826 if (mem_ptr)
827 iounmap(mem_ptr);
828 return ret;
829 }
830
831 #define MTU_FUDGE_FACTOR 100
832 static unsigned long
833 qla82xx_decode_crb_addr(unsigned long addr)
834 {
835 int i;
836 unsigned long base_addr, offset, pci_base;
837
838 if (!qla82xx_crb_table_initialized)
839 qla82xx_crb_addr_transform_setup();
840
841 pci_base = ADDR_ERROR;
842 base_addr = addr & 0xfff00000;
843 offset = addr & 0x000fffff;
844
845 for (i = 0; i < MAX_CRB_XFORM; i++) {
846 if (crb_addr_xform[i] == base_addr) {
847 pci_base = i << 20;
848 break;
849 }
850 }
851 if (pci_base == ADDR_ERROR)
852 return pci_base;
853 return pci_base + offset;
854 }
855
856 static long rom_max_timeout = 100;
857 static long qla82xx_rom_lock_timeout = 100;
858
859 static int
860 qla82xx_rom_lock(struct qla_hw_data *ha)
861 {
862 int done = 0, timeout = 0;
863 uint32_t lock_owner = 0;
864 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
865
866 while (!done) {
867 /* acquire semaphore2 from PCI HW block */
868 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
869 if (done == 1)
870 break;
871 if (timeout >= qla82xx_rom_lock_timeout) {
872 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
873 ql_dbg(ql_dbg_p3p, vha, 0xb157,
874 "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d",
875 __func__, ha->portnum, lock_owner);
876 return -1;
877 }
878 timeout++;
879 }
880 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum);
881 return 0;
882 }
883
884 static void
885 qla82xx_rom_unlock(struct qla_hw_data *ha)
886 {
887 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff);
888 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
889 }
890
891 static int
892 qla82xx_wait_rom_busy(struct qla_hw_data *ha)
893 {
894 long timeout = 0;
895 long done = 0 ;
896 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
897
898 while (done == 0) {
899 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
900 done &= 4;
901 timeout++;
902 if (timeout >= rom_max_timeout) {
903 ql_dbg(ql_dbg_p3p, vha, 0xb00a,
904 "%s: Timeout reached waiting for rom busy.\n",
905 QLA2XXX_DRIVER_NAME);
906 return -1;
907 }
908 }
909 return 0;
910 }
911
912 static int
913 qla82xx_wait_rom_done(struct qla_hw_data *ha)
914 {
915 long timeout = 0;
916 long done = 0 ;
917 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
918
919 while (done == 0) {
920 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
921 done &= 2;
922 timeout++;
923 if (timeout >= rom_max_timeout) {
924 ql_dbg(ql_dbg_p3p, vha, 0xb00b,
925 "%s: Timeout reached waiting for rom done.\n",
926 QLA2XXX_DRIVER_NAME);
927 return -1;
928 }
929 }
930 return 0;
931 }
932
933 static int
934 qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
935 {
936 uint32_t off_value, rval = 0;
937
938 WRT_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase, off & 0xFFFF0000);
939
940 /* Read back value to make sure write has gone through */
941 RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
942 off_value = (off & 0x0000FFFF);
943
944 if (flag)
945 WRT_REG_DWORD(off_value + CRB_INDIRECT_2M + ha->nx_pcibase,
946 data);
947 else
948 rval = RD_REG_DWORD(off_value + CRB_INDIRECT_2M +
949 ha->nx_pcibase);
950
951 return rval;
952 }
953
954 static int
955 qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
956 {
957 /* Dword reads to flash. */
958 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1);
959 *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE +
960 (addr & 0x0000FFFF), 0, 0);
961
962 return 0;
963 }
964
965 static int
966 qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
967 {
968 int ret, loops = 0;
969 uint32_t lock_owner = 0;
970 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
971
972 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
973 udelay(100);
974 schedule();
975 loops++;
976 }
977 if (loops >= 50000) {
978 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
979 ql_log(ql_log_fatal, vha, 0x00b9,
980 "Failed to acquire SEM2 lock, Lock Owner %u.\n",
981 lock_owner);
982 return -1;
983 }
984 ret = qla82xx_do_rom_fast_read(ha, addr, valp);
985 qla82xx_rom_unlock(ha);
986 return ret;
987 }
988
989 static int
990 qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
991 {
992 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
993 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
994 qla82xx_wait_rom_busy(ha);
995 if (qla82xx_wait_rom_done(ha)) {
996 ql_log(ql_log_warn, vha, 0xb00c,
997 "Error waiting for rom done.\n");
998 return -1;
999 }
1000 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
1001 return 0;
1002 }
1003
1004 static int
1005 qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
1006 {
1007 long timeout = 0;
1008 uint32_t done = 1 ;
1009 uint32_t val;
1010 int ret = 0;
1011 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1012
1013 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1014 while ((done != 0) && (ret == 0)) {
1015 ret = qla82xx_read_status_reg(ha, &val);
1016 done = val & 1;
1017 timeout++;
1018 udelay(10);
1019 cond_resched();
1020 if (timeout >= 50000) {
1021 ql_log(ql_log_warn, vha, 0xb00d,
1022 "Timeout reached waiting for write finish.\n");
1023 return -1;
1024 }
1025 }
1026 return ret;
1027 }
1028
1029 static int
1030 qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
1031 {
1032 uint32_t val;
1033 qla82xx_wait_rom_busy(ha);
1034 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1035 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
1036 qla82xx_wait_rom_busy(ha);
1037 if (qla82xx_wait_rom_done(ha))
1038 return -1;
1039 if (qla82xx_read_status_reg(ha, &val) != 0)
1040 return -1;
1041 if ((val & 2) != 2)
1042 return -1;
1043 return 0;
1044 }
1045
1046 static int
1047 qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1048 {
1049 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1050 if (qla82xx_flash_set_write_enable(ha))
1051 return -1;
1052 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1053 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1054 if (qla82xx_wait_rom_done(ha)) {
1055 ql_log(ql_log_warn, vha, 0xb00e,
1056 "Error waiting for rom done.\n");
1057 return -1;
1058 }
1059 return qla82xx_flash_wait_write_finish(ha);
1060 }
1061
1062 static int
1063 qla82xx_write_disable_flash(struct qla_hw_data *ha)
1064 {
1065 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1066 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1067 if (qla82xx_wait_rom_done(ha)) {
1068 ql_log(ql_log_warn, vha, 0xb00f,
1069 "Error waiting for rom done.\n");
1070 return -1;
1071 }
1072 return 0;
1073 }
1074
1075 static int
1076 ql82xx_rom_lock_d(struct qla_hw_data *ha)
1077 {
1078 int loops = 0;
1079 uint32_t lock_owner = 0;
1080 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1081
1082 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1083 udelay(100);
1084 cond_resched();
1085 loops++;
1086 }
1087 if (loops >= 50000) {
1088 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
1089 ql_log(ql_log_warn, vha, 0xb010,
1090 "ROM lock failed, Lock Owner %u.\n", lock_owner);
1091 return -1;
1092 }
1093 return 0;
1094 }
1095
1096 static int
1097 qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1098 uint32_t data)
1099 {
1100 int ret = 0;
1101 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1102
1103 ret = ql82xx_rom_lock_d(ha);
1104 if (ret < 0) {
1105 ql_log(ql_log_warn, vha, 0xb011,
1106 "ROM lock failed.\n");
1107 return ret;
1108 }
1109
1110 if (qla82xx_flash_set_write_enable(ha))
1111 goto done_write;
1112
1113 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1114 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1115 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1116 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1117 qla82xx_wait_rom_busy(ha);
1118 if (qla82xx_wait_rom_done(ha)) {
1119 ql_log(ql_log_warn, vha, 0xb012,
1120 "Error waiting for rom done.\n");
1121 ret = -1;
1122 goto done_write;
1123 }
1124
1125 ret = qla82xx_flash_wait_write_finish(ha);
1126
1127 done_write:
1128 qla82xx_rom_unlock(ha);
1129 return ret;
1130 }
1131
1132 /* This routine does CRB initialize sequence
1133 * to put the ISP into operational state
1134 */
1135 static int
1136 qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
1137 {
1138 int addr, val;
1139 int i ;
1140 struct crb_addr_pair *buf;
1141 unsigned long off;
1142 unsigned offset, n;
1143 struct qla_hw_data *ha = vha->hw;
1144
1145 struct crb_addr_pair {
1146 long addr;
1147 long data;
1148 };
1149
1150 /* Halt all the individual PEGs and other blocks of the ISP */
1151 qla82xx_rom_lock(ha);
1152
1153 /* disable all I2Q */
1154 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1155 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1156 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1157 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1158 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1159 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1160
1161 /* disable all niu interrupts */
1162 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1163 /* disable xge rx/tx */
1164 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1165 /* disable xg1 rx/tx */
1166 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1167 /* disable sideband mac */
1168 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1169 /* disable ap0 mac */
1170 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1171 /* disable ap1 mac */
1172 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1173
1174 /* halt sre */
1175 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1176 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1177
1178 /* halt epg */
1179 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1180
1181 /* halt timers */
1182 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1183 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1184 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1185 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1186 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1187 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1188
1189 /* halt pegs */
1190 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1191 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1192 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1193 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1194 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1195 msleep(20);
1196
1197 /* big hammer */
1198 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1199 /* don't reset CAM block on reset */
1200 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1201 else
1202 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1203 qla82xx_rom_unlock(ha);
1204
1205 /* Read the signature value from the flash.
1206 * Offset 0: Contain signature (0xcafecafe)
1207 * Offset 4: Offset and number of addr/value pairs
1208 * that present in CRB initialize sequence
1209 */
1210 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1211 qla82xx_rom_fast_read(ha, 4, &n) != 0) {
1212 ql_log(ql_log_fatal, vha, 0x006e,
1213 "Error Reading crb_init area: n: %08x.\n", n);
1214 return -1;
1215 }
1216
1217 /* Offset in flash = lower 16 bits
1218 * Number of entries = upper 16 bits
1219 */
1220 offset = n & 0xffffU;
1221 n = (n >> 16) & 0xffffU;
1222
1223 /* number of addr/value pair should not exceed 1024 entries */
1224 if (n >= 1024) {
1225 ql_log(ql_log_fatal, vha, 0x0071,
1226 "Card flash not initialized:n=0x%x.\n", n);
1227 return -1;
1228 }
1229
1230 ql_log(ql_log_info, vha, 0x0072,
1231 "%d CRB init values found in ROM.\n", n);
1232
1233 buf = kmalloc_array(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
1234 if (buf == NULL) {
1235 ql_log(ql_log_fatal, vha, 0x010c,
1236 "Unable to allocate memory.\n");
1237 return -ENOMEM;
1238 }
1239
1240 for (i = 0; i < n; i++) {
1241 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1242 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1243 kfree(buf);
1244 return -1;
1245 }
1246
1247 buf[i].addr = addr;
1248 buf[i].data = val;
1249 }
1250
1251 for (i = 0; i < n; i++) {
1252 /* Translate internal CRB initialization
1253 * address to PCI bus address
1254 */
1255 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1256 QLA82XX_PCI_CRBSPACE;
1257 /* Not all CRB addr/value pair to be written,
1258 * some of them are skipped
1259 */
1260
1261 /* skipping cold reboot MAGIC */
1262 if (off == QLA82XX_CAM_RAM(0x1fc))
1263 continue;
1264
1265 /* do not reset PCI */
1266 if (off == (ROMUSB_GLB + 0xbc))
1267 continue;
1268
1269 /* skip core clock, so that firmware can increase the clock */
1270 if (off == (ROMUSB_GLB + 0xc8))
1271 continue;
1272
1273 /* skip the function enable register */
1274 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1275 continue;
1276
1277 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1278 continue;
1279
1280 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1281 continue;
1282
1283 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1284 continue;
1285
1286 if (off == ADDR_ERROR) {
1287 ql_log(ql_log_fatal, vha, 0x0116,
1288 "Unknown addr: 0x%08lx.\n", buf[i].addr);
1289 continue;
1290 }
1291
1292 qla82xx_wr_32(ha, off, buf[i].data);
1293
1294 /* ISP requires much bigger delay to settle down,
1295 * else crb_window returns 0xffffffff
1296 */
1297 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1298 msleep(1000);
1299
1300 /* ISP requires millisec delay between
1301 * successive CRB register updation
1302 */
1303 msleep(1);
1304 }
1305
1306 kfree(buf);
1307
1308 /* Resetting the data and instruction cache */
1309 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1310 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1311 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1312
1313 /* Clear all protocol processing engines */
1314 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1315 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1316 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1317 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1318 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1319 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1320 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1321 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1322 return 0;
1323 }
1324
1325 static int
1326 qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1327 u64 off, void *data, int size)
1328 {
1329 int i, j, ret = 0, loop, sz[2], off0;
1330 int scale, shift_amount, startword;
1331 uint32_t temp;
1332 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1333
1334 /*
1335 * If not MN, go check for MS or invalid.
1336 */
1337 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1338 mem_crb = QLA82XX_CRB_QDR_NET;
1339 else {
1340 mem_crb = QLA82XX_CRB_DDR_NET;
1341 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1342 return qla82xx_pci_mem_write_direct(ha,
1343 off, data, size);
1344 }
1345
1346 off0 = off & 0x7;
1347 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1348 sz[1] = size - sz[0];
1349
1350 off8 = off & 0xfffffff0;
1351 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1352 shift_amount = 4;
1353 scale = 2;
1354 startword = (off & 0xf)/8;
1355
1356 for (i = 0; i < loop; i++) {
1357 if (qla82xx_pci_mem_read_2M(ha, off8 +
1358 (i << shift_amount), &word[i * scale], 8))
1359 return -1;
1360 }
1361
1362 switch (size) {
1363 case 1:
1364 tmpw = *((uint8_t *)data);
1365 break;
1366 case 2:
1367 tmpw = *((uint16_t *)data);
1368 break;
1369 case 4:
1370 tmpw = *((uint32_t *)data);
1371 break;
1372 case 8:
1373 default:
1374 tmpw = *((uint64_t *)data);
1375 break;
1376 }
1377
1378 if (sz[0] == 8) {
1379 word[startword] = tmpw;
1380 } else {
1381 word[startword] &=
1382 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1383 word[startword] |= tmpw << (off0 * 8);
1384 }
1385 if (sz[1] != 0) {
1386 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1387 word[startword+1] |= tmpw >> (sz[0] * 8);
1388 }
1389
1390 for (i = 0; i < loop; i++) {
1391 temp = off8 + (i << shift_amount);
1392 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1393 temp = 0;
1394 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1395 temp = word[i * scale] & 0xffffffff;
1396 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1397 temp = (word[i * scale] >> 32) & 0xffffffff;
1398 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1399 temp = word[i*scale + 1] & 0xffffffff;
1400 qla82xx_wr_32(ha, mem_crb +
1401 MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1402 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1403 qla82xx_wr_32(ha, mem_crb +
1404 MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1405
1406 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1407 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1408 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1409 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1410
1411 for (j = 0; j < MAX_CTL_CHECK; j++) {
1412 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1413 if ((temp & MIU_TA_CTL_BUSY) == 0)
1414 break;
1415 }
1416
1417 if (j >= MAX_CTL_CHECK) {
1418 if (printk_ratelimit())
1419 dev_err(&ha->pdev->dev,
1420 "failed to write through agent.\n");
1421 ret = -1;
1422 break;
1423 }
1424 }
1425
1426 return ret;
1427 }
1428
1429 static int
1430 qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1431 {
1432 int i;
1433 long size = 0;
1434 long flashaddr = ha->flt_region_bootload << 2;
1435 long memaddr = BOOTLD_START;
1436 u64 data;
1437 u32 high, low;
1438 size = (IMAGE_START - BOOTLD_START) / 8;
1439
1440 for (i = 0; i < size; i++) {
1441 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1442 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1443 return -1;
1444 }
1445 data = ((u64)high << 32) | low ;
1446 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1447 flashaddr += 8;
1448 memaddr += 8;
1449
1450 if (i % 0x1000 == 0)
1451 msleep(1);
1452 }
1453 udelay(100);
1454 read_lock(&ha->hw_lock);
1455 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1456 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1457 read_unlock(&ha->hw_lock);
1458 return 0;
1459 }
1460
1461 int
1462 qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1463 u64 off, void *data, int size)
1464 {
1465 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1466 int shift_amount;
1467 uint32_t temp;
1468 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1469
1470 /*
1471 * If not MN, go check for MS or invalid.
1472 */
1473
1474 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1475 mem_crb = QLA82XX_CRB_QDR_NET;
1476 else {
1477 mem_crb = QLA82XX_CRB_DDR_NET;
1478 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1479 return qla82xx_pci_mem_read_direct(ha,
1480 off, data, size);
1481 }
1482
1483 off8 = off & 0xfffffff0;
1484 off0[0] = off & 0xf;
1485 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1486 shift_amount = 4;
1487 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1488 off0[1] = 0;
1489 sz[1] = size - sz[0];
1490
1491 for (i = 0; i < loop; i++) {
1492 temp = off8 + (i << shift_amount);
1493 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1494 temp = 0;
1495 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1496 temp = MIU_TA_CTL_ENABLE;
1497 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1498 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1499 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1500
1501 for (j = 0; j < MAX_CTL_CHECK; j++) {
1502 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1503 if ((temp & MIU_TA_CTL_BUSY) == 0)
1504 break;
1505 }
1506
1507 if (j >= MAX_CTL_CHECK) {
1508 if (printk_ratelimit())
1509 dev_err(&ha->pdev->dev,
1510 "failed to read through agent.\n");
1511 break;
1512 }
1513
1514 start = off0[i] >> 2;
1515 end = (off0[i] + sz[i] - 1) >> 2;
1516 for (k = start; k <= end; k++) {
1517 temp = qla82xx_rd_32(ha,
1518 mem_crb + MIU_TEST_AGT_RDDATA(k));
1519 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1520 }
1521 }
1522
1523 if (j >= MAX_CTL_CHECK)
1524 return -1;
1525
1526 if ((off0[0] & 7) == 0) {
1527 val = word[0];
1528 } else {
1529 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1530 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1531 }
1532
1533 switch (size) {
1534 case 1:
1535 *(uint8_t *)data = val;
1536 break;
1537 case 2:
1538 *(uint16_t *)data = val;
1539 break;
1540 case 4:
1541 *(uint32_t *)data = val;
1542 break;
1543 case 8:
1544 *(uint64_t *)data = val;
1545 break;
1546 }
1547 return 0;
1548 }
1549
1550
1551 static struct qla82xx_uri_table_desc *
1552 qla82xx_get_table_desc(const u8 *unirom, int section)
1553 {
1554 uint32_t i;
1555 struct qla82xx_uri_table_desc *directory =
1556 (struct qla82xx_uri_table_desc *)&unirom[0];
1557 __le32 offset;
1558 __le32 tab_type;
1559 __le32 entries = cpu_to_le32(directory->num_entries);
1560
1561 for (i = 0; i < entries; i++) {
1562 offset = cpu_to_le32(directory->findex) +
1563 (i * cpu_to_le32(directory->entry_size));
1564 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1565
1566 if (tab_type == section)
1567 return (struct qla82xx_uri_table_desc *)&unirom[offset];
1568 }
1569
1570 return NULL;
1571 }
1572
1573 static struct qla82xx_uri_data_desc *
1574 qla82xx_get_data_desc(struct qla_hw_data *ha,
1575 u32 section, u32 idx_offset)
1576 {
1577 const u8 *unirom = ha->hablob->fw->data;
1578 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1579 struct qla82xx_uri_table_desc *tab_desc = NULL;
1580 __le32 offset;
1581
1582 tab_desc = qla82xx_get_table_desc(unirom, section);
1583 if (!tab_desc)
1584 return NULL;
1585
1586 offset = cpu_to_le32(tab_desc->findex) +
1587 (cpu_to_le32(tab_desc->entry_size) * idx);
1588
1589 return (struct qla82xx_uri_data_desc *)&unirom[offset];
1590 }
1591
1592 static u8 *
1593 qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1594 {
1595 u32 offset = BOOTLD_START;
1596 struct qla82xx_uri_data_desc *uri_desc = NULL;
1597
1598 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1599 uri_desc = qla82xx_get_data_desc(ha,
1600 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1601 if (uri_desc)
1602 offset = cpu_to_le32(uri_desc->findex);
1603 }
1604
1605 return (u8 *)&ha->hablob->fw->data[offset];
1606 }
1607
1608 static __le32
1609 qla82xx_get_fw_size(struct qla_hw_data *ha)
1610 {
1611 struct qla82xx_uri_data_desc *uri_desc = NULL;
1612
1613 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1614 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1615 QLA82XX_URI_FIRMWARE_IDX_OFF);
1616 if (uri_desc)
1617 return cpu_to_le32(uri_desc->size);
1618 }
1619
1620 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1621 }
1622
1623 static u8 *
1624 qla82xx_get_fw_offs(struct qla_hw_data *ha)
1625 {
1626 u32 offset = IMAGE_START;
1627 struct qla82xx_uri_data_desc *uri_desc = NULL;
1628
1629 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1630 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1631 QLA82XX_URI_FIRMWARE_IDX_OFF);
1632 if (uri_desc)
1633 offset = cpu_to_le32(uri_desc->findex);
1634 }
1635
1636 return (u8 *)&ha->hablob->fw->data[offset];
1637 }
1638
1639 /* PCI related functions */
1640 int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1641 {
1642 unsigned long val = 0;
1643 u32 control;
1644
1645 switch (region) {
1646 case 0:
1647 val = 0;
1648 break;
1649 case 1:
1650 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1651 val = control + QLA82XX_MSIX_TBL_SPACE;
1652 break;
1653 }
1654 return val;
1655 }
1656
1657
1658 int
1659 qla82xx_iospace_config(struct qla_hw_data *ha)
1660 {
1661 uint32_t len = 0;
1662
1663 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1664 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1665 "Failed to reserver selected regions.\n");
1666 goto iospace_error_exit;
1667 }
1668
1669 /* Use MMIO operations for all accesses. */
1670 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1671 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1672 "Region #0 not an MMIO resource, aborting.\n");
1673 goto iospace_error_exit;
1674 }
1675
1676 len = pci_resource_len(ha->pdev, 0);
1677 ha->nx_pcibase = ioremap(pci_resource_start(ha->pdev, 0), len);
1678 if (!ha->nx_pcibase) {
1679 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1680 "Cannot remap pcibase MMIO, aborting.\n");
1681 goto iospace_error_exit;
1682 }
1683
1684 /* Mapping of IO base pointer */
1685 if (IS_QLA8044(ha)) {
1686 ha->iobase = ha->nx_pcibase;
1687 } else if (IS_QLA82XX(ha)) {
1688 ha->iobase = ha->nx_pcibase + 0xbc000 + (ha->pdev->devfn << 11);
1689 }
1690
1691 if (!ql2xdbwr) {
1692 ha->nxdb_wr_ptr = ioremap((pci_resource_start(ha->pdev, 4) +
1693 (ha->pdev->devfn << 12)), 4);
1694 if (!ha->nxdb_wr_ptr) {
1695 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1696 "Cannot remap MMIO, aborting.\n");
1697 goto iospace_error_exit;
1698 }
1699
1700 /* Mapping of IO base pointer,
1701 * door bell read and write pointer
1702 */
1703 ha->nxdb_rd_ptr = ha->nx_pcibase + (512 * 1024) +
1704 (ha->pdev->devfn * 8);
1705 } else {
1706 ha->nxdb_wr_ptr = (void __iomem *)(ha->pdev->devfn == 6 ?
1707 QLA82XX_CAMRAM_DB1 :
1708 QLA82XX_CAMRAM_DB2);
1709 }
1710
1711 ha->max_req_queues = ha->max_rsp_queues = 1;
1712 ha->msix_count = ha->max_rsp_queues + 1;
1713 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1714 "nx_pci_base=%p iobase=%p "
1715 "max_req_queues=%d msix_count=%d.\n",
1716 ha->nx_pcibase, ha->iobase,
1717 ha->max_req_queues, ha->msix_count);
1718 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1719 "nx_pci_base=%p iobase=%p "
1720 "max_req_queues=%d msix_count=%d.\n",
1721 ha->nx_pcibase, ha->iobase,
1722 ha->max_req_queues, ha->msix_count);
1723 return 0;
1724
1725 iospace_error_exit:
1726 return -ENOMEM;
1727 }
1728
1729 /* GS related functions */
1730
1731 /* Initialization related functions */
1732
1733 /**
1734 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1735 * @vha: HA context
1736 *
1737 * Returns 0 on success.
1738 */
1739 int
1740 qla82xx_pci_config(scsi_qla_host_t *vha)
1741 {
1742 struct qla_hw_data *ha = vha->hw;
1743 int ret;
1744
1745 pci_set_master(ha->pdev);
1746 ret = pci_set_mwi(ha->pdev);
1747 ha->chip_revision = ha->pdev->revision;
1748 ql_dbg(ql_dbg_init, vha, 0x0043,
1749 "Chip revision:%d; pci_set_mwi() returned %d.\n",
1750 ha->chip_revision, ret);
1751 return 0;
1752 }
1753
1754 /**
1755 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1756 * @vha: HA context
1757 *
1758 * Returns 0 on success.
1759 */
1760 void
1761 qla82xx_reset_chip(scsi_qla_host_t *vha)
1762 {
1763 struct qla_hw_data *ha = vha->hw;
1764 ha->isp_ops->disable_intrs(ha);
1765 }
1766
1767 void qla82xx_config_rings(struct scsi_qla_host *vha)
1768 {
1769 struct qla_hw_data *ha = vha->hw;
1770 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1771 struct init_cb_81xx *icb;
1772 struct req_que *req = ha->req_q_map[0];
1773 struct rsp_que *rsp = ha->rsp_q_map[0];
1774
1775 /* Setup ring parameters in initialization control block. */
1776 icb = (struct init_cb_81xx *)ha->init_cb;
1777 icb->request_q_outpointer = cpu_to_le16(0);
1778 icb->response_q_inpointer = cpu_to_le16(0);
1779 icb->request_q_length = cpu_to_le16(req->length);
1780 icb->response_q_length = cpu_to_le16(rsp->length);
1781 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1782 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1783 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1784 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1785
1786 WRT_REG_DWORD(&reg->req_q_out[0], 0);
1787 WRT_REG_DWORD(&reg->rsp_q_in[0], 0);
1788 WRT_REG_DWORD(&reg->rsp_q_out[0], 0);
1789 }
1790
1791 static int
1792 qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
1793 {
1794 u64 *ptr64;
1795 u32 i, flashaddr, size;
1796 __le64 data;
1797
1798 size = (IMAGE_START - BOOTLD_START) / 8;
1799
1800 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
1801 flashaddr = BOOTLD_START;
1802
1803 for (i = 0; i < size; i++) {
1804 data = cpu_to_le64(ptr64[i]);
1805 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1806 return -EIO;
1807 flashaddr += 8;
1808 }
1809
1810 flashaddr = FLASH_ADDR_START;
1811 size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1812 ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
1813
1814 for (i = 0; i < size; i++) {
1815 data = cpu_to_le64(ptr64[i]);
1816
1817 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1818 return -EIO;
1819 flashaddr += 8;
1820 }
1821 udelay(100);
1822
1823 /* Write a magic value to CAMRAM register
1824 * at a specified offset to indicate
1825 * that all data is written and
1826 * ready for firmware to initialize.
1827 */
1828 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
1829
1830 read_lock(&ha->hw_lock);
1831 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1832 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1833 read_unlock(&ha->hw_lock);
1834 return 0;
1835 }
1836
1837 static int
1838 qla82xx_set_product_offset(struct qla_hw_data *ha)
1839 {
1840 struct qla82xx_uri_table_desc *ptab_desc = NULL;
1841 const uint8_t *unirom = ha->hablob->fw->data;
1842 uint32_t i;
1843 __le32 entries;
1844 __le32 flags, file_chiprev, offset;
1845 uint8_t chiprev = ha->chip_revision;
1846 /* Hardcoding mn_present flag for P3P */
1847 int mn_present = 0;
1848 uint32_t flagbit;
1849
1850 ptab_desc = qla82xx_get_table_desc(unirom,
1851 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1852 if (!ptab_desc)
1853 return -1;
1854
1855 entries = cpu_to_le32(ptab_desc->num_entries);
1856
1857 for (i = 0; i < entries; i++) {
1858 offset = cpu_to_le32(ptab_desc->findex) +
1859 (i * cpu_to_le32(ptab_desc->entry_size));
1860 flags = cpu_to_le32(*((int *)&unirom[offset] +
1861 QLA82XX_URI_FLAGS_OFF));
1862 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1863 QLA82XX_URI_CHIP_REV_OFF));
1864
1865 flagbit = mn_present ? 1 : 2;
1866
1867 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1868 ha->file_prd_off = offset;
1869 return 0;
1870 }
1871 }
1872 return -1;
1873 }
1874
1875 static int
1876 qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1877 {
1878 __le32 val;
1879 uint32_t min_size;
1880 struct qla_hw_data *ha = vha->hw;
1881 const struct firmware *fw = ha->hablob->fw;
1882
1883 ha->fw_type = fw_type;
1884
1885 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1886 if (qla82xx_set_product_offset(ha))
1887 return -EINVAL;
1888
1889 min_size = QLA82XX_URI_FW_MIN_SIZE;
1890 } else {
1891 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1892 if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1893 return -EINVAL;
1894
1895 min_size = QLA82XX_FW_MIN_SIZE;
1896 }
1897
1898 if (fw->size < min_size)
1899 return -EINVAL;
1900 return 0;
1901 }
1902
1903 static int
1904 qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
1905 {
1906 u32 val = 0;
1907 int retries = 60;
1908 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1909
1910 do {
1911 read_lock(&ha->hw_lock);
1912 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1913 read_unlock(&ha->hw_lock);
1914
1915 switch (val) {
1916 case PHAN_INITIALIZE_COMPLETE:
1917 case PHAN_INITIALIZE_ACK:
1918 return QLA_SUCCESS;
1919 case PHAN_INITIALIZE_FAILED:
1920 break;
1921 default:
1922 break;
1923 }
1924 ql_log(ql_log_info, vha, 0x00a8,
1925 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1926 val, retries);
1927
1928 msleep(500);
1929
1930 } while (--retries);
1931
1932 ql_log(ql_log_fatal, vha, 0x00a9,
1933 "Cmd Peg initialization failed: 0x%x.\n", val);
1934
1935 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1936 read_lock(&ha->hw_lock);
1937 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1938 read_unlock(&ha->hw_lock);
1939 return QLA_FUNCTION_FAILED;
1940 }
1941
1942 static int
1943 qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
1944 {
1945 u32 val = 0;
1946 int retries = 60;
1947 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1948
1949 do {
1950 read_lock(&ha->hw_lock);
1951 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1952 read_unlock(&ha->hw_lock);
1953
1954 switch (val) {
1955 case PHAN_INITIALIZE_COMPLETE:
1956 case PHAN_INITIALIZE_ACK:
1957 return QLA_SUCCESS;
1958 case PHAN_INITIALIZE_FAILED:
1959 break;
1960 default:
1961 break;
1962 }
1963 ql_log(ql_log_info, vha, 0x00ab,
1964 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1965 val, retries);
1966
1967 msleep(500);
1968
1969 } while (--retries);
1970
1971 ql_log(ql_log_fatal, vha, 0x00ac,
1972 "Rcv Peg initializatin failed: 0x%x.\n", val);
1973 read_lock(&ha->hw_lock);
1974 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1975 read_unlock(&ha->hw_lock);
1976 return QLA_FUNCTION_FAILED;
1977 }
1978
1979 /* ISR related functions */
1980 static struct qla82xx_legacy_intr_set legacy_intr[] = \
1981 QLA82XX_LEGACY_INTR_CONFIG;
1982
1983 /*
1984 * qla82xx_mbx_completion() - Process mailbox command completions.
1985 * @ha: SCSI driver HA context
1986 * @mb0: Mailbox0 register
1987 */
1988 void
1989 qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1990 {
1991 uint16_t cnt;
1992 uint16_t __iomem *wptr;
1993 struct qla_hw_data *ha = vha->hw;
1994 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1995 wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
1996
1997 /* Load return mailbox registers. */
1998 ha->flags.mbox_int = 1;
1999 ha->mailbox_out[0] = mb0;
2000
2001 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2002 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2003 wptr++;
2004 }
2005
2006 if (!ha->mcp)
2007 ql_dbg(ql_dbg_async, vha, 0x5053,
2008 "MBX pointer ERROR.\n");
2009 }
2010
2011 /**
2012 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2013 * @irq: interrupt number
2014 * @dev_id: SCSI driver HA context
2015 *
2016 * Called by system whenever the host adapter generates an interrupt.
2017 *
2018 * Returns handled flag.
2019 */
2020 irqreturn_t
2021 qla82xx_intr_handler(int irq, void *dev_id)
2022 {
2023 scsi_qla_host_t *vha;
2024 struct qla_hw_data *ha;
2025 struct rsp_que *rsp;
2026 struct device_reg_82xx __iomem *reg;
2027 int status = 0, status1 = 0;
2028 unsigned long flags;
2029 unsigned long iter;
2030 uint32_t stat = 0;
2031 uint16_t mb[4];
2032
2033 rsp = (struct rsp_que *) dev_id;
2034 if (!rsp) {
2035 ql_log(ql_log_info, NULL, 0xb053,
2036 "%s: NULL response queue pointer.\n", __func__);
2037 return IRQ_NONE;
2038 }
2039 ha = rsp->hw;
2040
2041 if (!ha->flags.msi_enabled) {
2042 status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2043 if (!(status & ha->nx_legacy_intr.int_vec_bit))
2044 return IRQ_NONE;
2045
2046 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2047 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2048 return IRQ_NONE;
2049 }
2050
2051 /* clear the interrupt */
2052 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2053
2054 /* read twice to ensure write is flushed */
2055 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2056 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2057
2058 reg = &ha->iobase->isp82;
2059
2060 spin_lock_irqsave(&ha->hardware_lock, flags);
2061 vha = pci_get_drvdata(ha->pdev);
2062 for (iter = 1; iter--; ) {
2063
2064 if (RD_REG_DWORD(&reg->host_int)) {
2065 stat = RD_REG_DWORD(&reg->host_status);
2066
2067 switch (stat & 0xff) {
2068 case 0x1:
2069 case 0x2:
2070 case 0x10:
2071 case 0x11:
2072 qla82xx_mbx_completion(vha, MSW(stat));
2073 status |= MBX_INTERRUPT;
2074 break;
2075 case 0x12:
2076 mb[0] = MSW(stat);
2077 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2078 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2079 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2080 qla2x00_async_event(vha, rsp, mb);
2081 break;
2082 case 0x13:
2083 qla24xx_process_response_queue(vha, rsp);
2084 break;
2085 default:
2086 ql_dbg(ql_dbg_async, vha, 0x5054,
2087 "Unrecognized interrupt type (%d).\n",
2088 stat & 0xff);
2089 break;
2090 }
2091 }
2092 WRT_REG_DWORD(&reg->host_int, 0);
2093 }
2094
2095 qla2x00_handle_mbx_completion(ha, status);
2096 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2097
2098 if (!ha->flags.msi_enabled)
2099 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2100
2101 return IRQ_HANDLED;
2102 }
2103
2104 irqreturn_t
2105 qla82xx_msix_default(int irq, void *dev_id)
2106 {
2107 scsi_qla_host_t *vha;
2108 struct qla_hw_data *ha;
2109 struct rsp_que *rsp;
2110 struct device_reg_82xx __iomem *reg;
2111 int status = 0;
2112 unsigned long flags;
2113 uint32_t stat = 0;
2114 uint32_t host_int = 0;
2115 uint16_t mb[4];
2116
2117 rsp = (struct rsp_que *) dev_id;
2118 if (!rsp) {
2119 printk(KERN_INFO
2120 "%s(): NULL response queue pointer.\n", __func__);
2121 return IRQ_NONE;
2122 }
2123 ha = rsp->hw;
2124
2125 reg = &ha->iobase->isp82;
2126
2127 spin_lock_irqsave(&ha->hardware_lock, flags);
2128 vha = pci_get_drvdata(ha->pdev);
2129 do {
2130 host_int = RD_REG_DWORD(&reg->host_int);
2131 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2132 break;
2133 if (host_int) {
2134 stat = RD_REG_DWORD(&reg->host_status);
2135
2136 switch (stat & 0xff) {
2137 case 0x1:
2138 case 0x2:
2139 case 0x10:
2140 case 0x11:
2141 qla82xx_mbx_completion(vha, MSW(stat));
2142 status |= MBX_INTERRUPT;
2143 break;
2144 case 0x12:
2145 mb[0] = MSW(stat);
2146 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2147 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2148 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2149 qla2x00_async_event(vha, rsp, mb);
2150 break;
2151 case 0x13:
2152 qla24xx_process_response_queue(vha, rsp);
2153 break;
2154 default:
2155 ql_dbg(ql_dbg_async, vha, 0x5041,
2156 "Unrecognized interrupt type (%d).\n",
2157 stat & 0xff);
2158 break;
2159 }
2160 }
2161 WRT_REG_DWORD(&reg->host_int, 0);
2162 } while (0);
2163
2164 qla2x00_handle_mbx_completion(ha, status);
2165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2166
2167 return IRQ_HANDLED;
2168 }
2169
2170 irqreturn_t
2171 qla82xx_msix_rsp_q(int irq, void *dev_id)
2172 {
2173 scsi_qla_host_t *vha;
2174 struct qla_hw_data *ha;
2175 struct rsp_que *rsp;
2176 struct device_reg_82xx __iomem *reg;
2177 unsigned long flags;
2178 uint32_t host_int = 0;
2179
2180 rsp = (struct rsp_que *) dev_id;
2181 if (!rsp) {
2182 printk(KERN_INFO
2183 "%s(): NULL response queue pointer.\n", __func__);
2184 return IRQ_NONE;
2185 }
2186
2187 ha = rsp->hw;
2188 reg = &ha->iobase->isp82;
2189 spin_lock_irqsave(&ha->hardware_lock, flags);
2190 vha = pci_get_drvdata(ha->pdev);
2191 host_int = RD_REG_DWORD(&reg->host_int);
2192 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2193 goto out;
2194 qla24xx_process_response_queue(vha, rsp);
2195 WRT_REG_DWORD(&reg->host_int, 0);
2196 out:
2197 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2198 return IRQ_HANDLED;
2199 }
2200
2201 void
2202 qla82xx_poll(int irq, void *dev_id)
2203 {
2204 scsi_qla_host_t *vha;
2205 struct qla_hw_data *ha;
2206 struct rsp_que *rsp;
2207 struct device_reg_82xx __iomem *reg;
2208 int status = 0;
2209 uint32_t stat;
2210 uint32_t host_int = 0;
2211 uint16_t mb[4];
2212 unsigned long flags;
2213
2214 rsp = (struct rsp_que *) dev_id;
2215 if (!rsp) {
2216 printk(KERN_INFO
2217 "%s(): NULL response queue pointer.\n", __func__);
2218 return;
2219 }
2220 ha = rsp->hw;
2221
2222 reg = &ha->iobase->isp82;
2223 spin_lock_irqsave(&ha->hardware_lock, flags);
2224 vha = pci_get_drvdata(ha->pdev);
2225
2226 host_int = RD_REG_DWORD(&reg->host_int);
2227 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2228 goto out;
2229 if (host_int) {
2230 stat = RD_REG_DWORD(&reg->host_status);
2231 switch (stat & 0xff) {
2232 case 0x1:
2233 case 0x2:
2234 case 0x10:
2235 case 0x11:
2236 qla82xx_mbx_completion(vha, MSW(stat));
2237 status |= MBX_INTERRUPT;
2238 break;
2239 case 0x12:
2240 mb[0] = MSW(stat);
2241 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2242 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2243 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2244 qla2x00_async_event(vha, rsp, mb);
2245 break;
2246 case 0x13:
2247 qla24xx_process_response_queue(vha, rsp);
2248 break;
2249 default:
2250 ql_dbg(ql_dbg_p3p, vha, 0xb013,
2251 "Unrecognized interrupt type (%d).\n",
2252 stat * 0xff);
2253 break;
2254 }
2255 WRT_REG_DWORD(&reg->host_int, 0);
2256 }
2257 out:
2258 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2259 }
2260
2261 void
2262 qla82xx_enable_intrs(struct qla_hw_data *ha)
2263 {
2264 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2265 qla82xx_mbx_intr_enable(vha);
2266 spin_lock_irq(&ha->hardware_lock);
2267 if (IS_QLA8044(ha))
2268 qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 0);
2269 else
2270 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2271 spin_unlock_irq(&ha->hardware_lock);
2272 ha->interrupts_on = 1;
2273 }
2274
2275 void
2276 qla82xx_disable_intrs(struct qla_hw_data *ha)
2277 {
2278 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2279 qla82xx_mbx_intr_disable(vha);
2280 spin_lock_irq(&ha->hardware_lock);
2281 if (IS_QLA8044(ha))
2282 qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 1);
2283 else
2284 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2285 spin_unlock_irq(&ha->hardware_lock);
2286 ha->interrupts_on = 0;
2287 }
2288
2289 void qla82xx_init_flags(struct qla_hw_data *ha)
2290 {
2291 struct qla82xx_legacy_intr_set *nx_legacy_intr;
2292
2293 /* ISP 8021 initializations */
2294 rwlock_init(&ha->hw_lock);
2295 ha->qdr_sn_window = -1;
2296 ha->ddr_mn_window = -1;
2297 ha->curr_window = 255;
2298 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2299 nx_legacy_intr = &legacy_intr[ha->portnum];
2300 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2301 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2302 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2303 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2304 }
2305
2306 static inline void
2307 qla82xx_set_idc_version(scsi_qla_host_t *vha)
2308 {
2309 int idc_ver;
2310 uint32_t drv_active;
2311 struct qla_hw_data *ha = vha->hw;
2312
2313 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2314 if (drv_active == (QLA82XX_DRV_ACTIVE << (ha->portnum * 4))) {
2315 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
2316 QLA82XX_IDC_VERSION);
2317 ql_log(ql_log_info, vha, 0xb082,
2318 "IDC version updated to %d\n", QLA82XX_IDC_VERSION);
2319 } else {
2320 idc_ver = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_IDC_VERSION);
2321 if (idc_ver != QLA82XX_IDC_VERSION)
2322 ql_log(ql_log_info, vha, 0xb083,
2323 "qla2xxx driver IDC version %d is not compatible "
2324 "with IDC version %d of the other drivers\n",
2325 QLA82XX_IDC_VERSION, idc_ver);
2326 }
2327 }
2328
2329 inline void
2330 qla82xx_set_drv_active(scsi_qla_host_t *vha)
2331 {
2332 uint32_t drv_active;
2333 struct qla_hw_data *ha = vha->hw;
2334
2335 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2336
2337 /* If reset value is all FF's, initialize DRV_ACTIVE */
2338 if (drv_active == 0xffffffff) {
2339 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2340 QLA82XX_DRV_NOT_ACTIVE);
2341 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2342 }
2343 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2344 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2345 }
2346
2347 inline void
2348 qla82xx_clear_drv_active(struct qla_hw_data *ha)
2349 {
2350 uint32_t drv_active;
2351
2352 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2353 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2354 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2355 }
2356
2357 static inline int
2358 qla82xx_need_reset(struct qla_hw_data *ha)
2359 {
2360 uint32_t drv_state;
2361 int rval;
2362
2363 if (ha->flags.nic_core_reset_owner)
2364 return 1;
2365 else {
2366 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2367 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2368 return rval;
2369 }
2370 }
2371
2372 static inline void
2373 qla82xx_set_rst_ready(struct qla_hw_data *ha)
2374 {
2375 uint32_t drv_state;
2376 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2377
2378 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2379
2380 /* If reset value is all FF's, initialize DRV_STATE */
2381 if (drv_state == 0xffffffff) {
2382 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
2383 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2384 }
2385 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2386 ql_dbg(ql_dbg_init, vha, 0x00bb,
2387 "drv_state = 0x%08x.\n", drv_state);
2388 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2389 }
2390
2391 static inline void
2392 qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2393 {
2394 uint32_t drv_state;
2395
2396 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2397 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2398 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2399 }
2400
2401 static inline void
2402 qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2403 {
2404 uint32_t qsnt_state;
2405
2406 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2407 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2408 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2409 }
2410
2411 void
2412 qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2413 {
2414 struct qla_hw_data *ha = vha->hw;
2415 uint32_t qsnt_state;
2416
2417 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2418 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2419 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2420 }
2421
2422 static int
2423 qla82xx_load_fw(scsi_qla_host_t *vha)
2424 {
2425 int rst;
2426 struct fw_blob *blob;
2427 struct qla_hw_data *ha = vha->hw;
2428
2429 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
2430 ql_log(ql_log_fatal, vha, 0x009f,
2431 "Error during CRB initialization.\n");
2432 return QLA_FUNCTION_FAILED;
2433 }
2434 udelay(500);
2435
2436 /* Bring QM and CAMRAM out of reset */
2437 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2438 rst &= ~((1 << 28) | (1 << 24));
2439 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2440
2441 /*
2442 * FW Load priority:
2443 * 1) Operational firmware residing in flash.
2444 * 2) Firmware via request-firmware interface (.bin file).
2445 */
2446 if (ql2xfwloadbin == 2)
2447 goto try_blob_fw;
2448
2449 ql_log(ql_log_info, vha, 0x00a0,
2450 "Attempting to load firmware from flash.\n");
2451
2452 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
2453 ql_log(ql_log_info, vha, 0x00a1,
2454 "Firmware loaded successfully from flash.\n");
2455 return QLA_SUCCESS;
2456 } else {
2457 ql_log(ql_log_warn, vha, 0x0108,
2458 "Firmware load from flash failed.\n");
2459 }
2460
2461 try_blob_fw:
2462 ql_log(ql_log_info, vha, 0x00a2,
2463 "Attempting to load firmware from blob.\n");
2464
2465 /* Load firmware blob. */
2466 blob = ha->hablob = qla2x00_request_firmware(vha);
2467 if (!blob) {
2468 ql_log(ql_log_fatal, vha, 0x00a3,
2469 "Firmware image not present.\n");
2470 goto fw_load_failed;
2471 }
2472
2473 /* Validating firmware blob */
2474 if (qla82xx_validate_firmware_blob(vha,
2475 QLA82XX_FLASH_ROMIMAGE)) {
2476 /* Fallback to URI format */
2477 if (qla82xx_validate_firmware_blob(vha,
2478 QLA82XX_UNIFIED_ROMIMAGE)) {
2479 ql_log(ql_log_fatal, vha, 0x00a4,
2480 "No valid firmware image found.\n");
2481 return QLA_FUNCTION_FAILED;
2482 }
2483 }
2484
2485 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
2486 ql_log(ql_log_info, vha, 0x00a5,
2487 "Firmware loaded successfully from binary blob.\n");
2488 return QLA_SUCCESS;
2489 }
2490
2491 ql_log(ql_log_fatal, vha, 0x00a6,
2492 "Firmware load failed for binary blob.\n");
2493 blob->fw = NULL;
2494 blob = NULL;
2495
2496 fw_load_failed:
2497 return QLA_FUNCTION_FAILED;
2498 }
2499
2500 int
2501 qla82xx_start_firmware(scsi_qla_host_t *vha)
2502 {
2503 uint16_t lnk;
2504 struct qla_hw_data *ha = vha->hw;
2505
2506 /* scrub dma mask expansion register */
2507 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
2508
2509 /* Put both the PEG CMD and RCV PEG to default state
2510 * of 0 before resetting the hardware
2511 */
2512 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2513 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2514
2515 /* Overwrite stale initialization register values */
2516 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2517 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2518
2519 if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
2520 ql_log(ql_log_fatal, vha, 0x00a7,
2521 "Error trying to start fw.\n");
2522 return QLA_FUNCTION_FAILED;
2523 }
2524
2525 /* Handshake with the card before we register the devices. */
2526 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
2527 ql_log(ql_log_fatal, vha, 0x00aa,
2528 "Error during card handshake.\n");
2529 return QLA_FUNCTION_FAILED;
2530 }
2531
2532 /* Negotiated Link width */
2533 pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
2534 ha->link_width = (lnk >> 4) & 0x3f;
2535
2536 /* Synchronize with Receive peg */
2537 return qla82xx_check_rcvpeg_state(ha);
2538 }
2539
2540 static uint32_t *
2541 qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2542 uint32_t length)
2543 {
2544 uint32_t i;
2545 uint32_t val;
2546 struct qla_hw_data *ha = vha->hw;
2547
2548 /* Dword reads to flash. */
2549 for (i = 0; i < length/4; i++, faddr += 4) {
2550 if (qla82xx_rom_fast_read(ha, faddr, &val)) {
2551 ql_log(ql_log_warn, vha, 0x0106,
2552 "Do ROM fast read failed.\n");
2553 goto done_read;
2554 }
2555 dwptr[i] = cpu_to_le32(val);
2556 }
2557 done_read:
2558 return dwptr;
2559 }
2560
2561 static int
2562 qla82xx_unprotect_flash(struct qla_hw_data *ha)
2563 {
2564 int ret;
2565 uint32_t val;
2566 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2567
2568 ret = ql82xx_rom_lock_d(ha);
2569 if (ret < 0) {
2570 ql_log(ql_log_warn, vha, 0xb014,
2571 "ROM Lock failed.\n");
2572 return ret;
2573 }
2574
2575 ret = qla82xx_read_status_reg(ha, &val);
2576 if (ret < 0)
2577 goto done_unprotect;
2578
2579 val &= ~(BLOCK_PROTECT_BITS << 2);
2580 ret = qla82xx_write_status_reg(ha, val);
2581 if (ret < 0) {
2582 val |= (BLOCK_PROTECT_BITS << 2);
2583 qla82xx_write_status_reg(ha, val);
2584 }
2585
2586 if (qla82xx_write_disable_flash(ha) != 0)
2587 ql_log(ql_log_warn, vha, 0xb015,
2588 "Write disable failed.\n");
2589
2590 done_unprotect:
2591 qla82xx_rom_unlock(ha);
2592 return ret;
2593 }
2594
2595 static int
2596 qla82xx_protect_flash(struct qla_hw_data *ha)
2597 {
2598 int ret;
2599 uint32_t val;
2600 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2601
2602 ret = ql82xx_rom_lock_d(ha);
2603 if (ret < 0) {
2604 ql_log(ql_log_warn, vha, 0xb016,
2605 "ROM Lock failed.\n");
2606 return ret;
2607 }
2608
2609 ret = qla82xx_read_status_reg(ha, &val);
2610 if (ret < 0)
2611 goto done_protect;
2612
2613 val |= (BLOCK_PROTECT_BITS << 2);
2614 /* LOCK all sectors */
2615 ret = qla82xx_write_status_reg(ha, val);
2616 if (ret < 0)
2617 ql_log(ql_log_warn, vha, 0xb017,
2618 "Write status register failed.\n");
2619
2620 if (qla82xx_write_disable_flash(ha) != 0)
2621 ql_log(ql_log_warn, vha, 0xb018,
2622 "Write disable failed.\n");
2623 done_protect:
2624 qla82xx_rom_unlock(ha);
2625 return ret;
2626 }
2627
2628 static int
2629 qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
2630 {
2631 int ret = 0;
2632 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2633
2634 ret = ql82xx_rom_lock_d(ha);
2635 if (ret < 0) {
2636 ql_log(ql_log_warn, vha, 0xb019,
2637 "ROM Lock failed.\n");
2638 return ret;
2639 }
2640
2641 qla82xx_flash_set_write_enable(ha);
2642 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
2643 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
2644 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
2645
2646 if (qla82xx_wait_rom_done(ha)) {
2647 ql_log(ql_log_warn, vha, 0xb01a,
2648 "Error waiting for rom done.\n");
2649 ret = -1;
2650 goto done;
2651 }
2652 ret = qla82xx_flash_wait_write_finish(ha);
2653 done:
2654 qla82xx_rom_unlock(ha);
2655 return ret;
2656 }
2657
2658 /*
2659 * Address and length are byte address
2660 */
2661 uint8_t *
2662 qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2663 uint32_t offset, uint32_t length)
2664 {
2665 scsi_block_requests(vha->host);
2666 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
2667 scsi_unblock_requests(vha->host);
2668 return buf;
2669 }
2670
2671 static int
2672 qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
2673 uint32_t faddr, uint32_t dwords)
2674 {
2675 int ret;
2676 uint32_t liter;
2677 uint32_t rest_addr;
2678 dma_addr_t optrom_dma;
2679 void *optrom = NULL;
2680 int page_mode = 0;
2681 struct qla_hw_data *ha = vha->hw;
2682
2683 ret = -1;
2684
2685 /* Prepare burst-capable write on supported ISPs. */
2686 if (page_mode && !(faddr & 0xfff) &&
2687 dwords > OPTROM_BURST_DWORDS) {
2688 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2689 &optrom_dma, GFP_KERNEL);
2690 if (!optrom) {
2691 ql_log(ql_log_warn, vha, 0xb01b,
2692 "Unable to allocate memory "
2693 "for optrom burst write (%x KB).\n",
2694 OPTROM_BURST_SIZE / 1024);
2695 }
2696 }
2697
2698 rest_addr = ha->fdt_block_size - 1;
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 uint32_t dbval;
2795
2796 /* Adjust ring index. */
2797 req->ring_index++;
2798 if (req->ring_index == req->length) {
2799 req->ring_index = 0;
2800 req->ring_ptr = req->ring;
2801 } else
2802 req->ring_ptr++;
2803
2804 dbval = 0x04 | (ha->portnum << 5);
2805
2806 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
2807 if (ql2xdbwr)
2808 qla82xx_wr_32(ha, (unsigned long)ha->nxdb_wr_ptr, dbval);
2809 else {
2810 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2811 wmb();
2812 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2813 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2814 wmb();
2815 }
2816 }
2817 }
2818
2819 static void
2820 qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
2821 {
2822 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2823 uint32_t lock_owner = 0;
2824
2825 if (qla82xx_rom_lock(ha)) {
2826 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
2827 /* Someone else is holding the lock. */
2828 ql_log(ql_log_info, vha, 0xb022,
2829 "Resetting rom_lock, Lock Owner %u.\n", lock_owner);
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;
2855 uint32_t old_count, count;
2856 struct qla_hw_data *ha = vha->hw;
2857 int need_reset = 0;
2858
2859 need_reset = qla82xx_need_reset(ha);
2860
2861 if (need_reset) {
2862 /* We are trying to perform a recovery here. */
2863 if (ha->flags.isp82xx_fw_hung)
2864 qla82xx_rom_lock_recovery(ha);
2865 } else {
2866 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2867 for (i = 0; i < 10; i++) {
2868 msleep(200);
2869 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2870 if (count != old_count) {
2871 rval = QLA_SUCCESS;
2872 goto dev_ready;
2873 }
2874 }
2875 qla82xx_rom_lock_recovery(ha);
2876 }
2877
2878 /* set to DEV_INITIALIZING */
2879 ql_log(ql_log_info, vha, 0x009e,
2880 "HW State: INITIALIZING.\n");
2881 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
2882
2883 qla82xx_idc_unlock(ha);
2884 rval = qla82xx_start_firmware(vha);
2885 qla82xx_idc_lock(ha);
2886
2887 if (rval != QLA_SUCCESS) {
2888 ql_log(ql_log_fatal, vha, 0x00ad,
2889 "HW State: FAILED.\n");
2890 qla82xx_clear_drv_active(ha);
2891 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED);
2892 return rval;
2893 }
2894
2895 dev_ready:
2896 ql_log(ql_log_info, vha, 0x00ae,
2897 "HW State: READY.\n");
2898 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY);
2899
2900 return QLA_SUCCESS;
2901 }
2902
2903 /*
2904 * qla82xx_need_qsnt_handler
2905 * Code to start quiescence sequence
2906 *
2907 * Note:
2908 * IDC lock must be held upon entry
2909 *
2910 * Return: void
2911 */
2912
2913 static void
2914 qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
2915 {
2916 struct qla_hw_data *ha = vha->hw;
2917 uint32_t dev_state, drv_state, drv_active;
2918 unsigned long reset_timeout;
2919
2920 if (vha->flags.online) {
2921 /*Block any further I/O and wait for pending cmnds to complete*/
2922 qla2x00_quiesce_io(vha);
2923 }
2924
2925 /* Set the quiescence ready bit */
2926 qla82xx_set_qsnt_ready(ha);
2927
2928 /*wait for 30 secs for other functions to ack */
2929 reset_timeout = jiffies + (30 * HZ);
2930
2931 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2932 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2933 /* Its 2 that is written when qsnt is acked, moving one bit */
2934 drv_active = drv_active << 0x01;
2935
2936 while (drv_state != drv_active) {
2937
2938 if (time_after_eq(jiffies, reset_timeout)) {
2939 /* quiescence timeout, other functions didn't ack
2940 * changing the state to DEV_READY
2941 */
2942 ql_log(ql_log_info, vha, 0xb023,
2943 "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d "
2944 "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME,
2945 drv_active, drv_state);
2946 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2947 QLA8XXX_DEV_READY);
2948 ql_log(ql_log_info, vha, 0xb025,
2949 "HW State: DEV_READY.\n");
2950 qla82xx_idc_unlock(ha);
2951 qla2x00_perform_loop_resync(vha);
2952 qla82xx_idc_lock(ha);
2953
2954 qla82xx_clear_qsnt_ready(vha);
2955 return;
2956 }
2957
2958 qla82xx_idc_unlock(ha);
2959 msleep(1000);
2960 qla82xx_idc_lock(ha);
2961
2962 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2963 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2964 drv_active = drv_active << 0x01;
2965 }
2966 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2967 /* everyone acked so set the state to DEV_QUIESCENCE */
2968 if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
2969 ql_log(ql_log_info, vha, 0xb026,
2970 "HW State: DEV_QUIESCENT.\n");
2971 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT);
2972 }
2973 }
2974
2975 /*
2976 * qla82xx_wait_for_state_change
2977 * Wait for device state to change from given current state
2978 *
2979 * Note:
2980 * IDC lock must not be held upon entry
2981 *
2982 * Return:
2983 * Changed device state.
2984 */
2985 uint32_t
2986 qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
2987 {
2988 struct qla_hw_data *ha = vha->hw;
2989 uint32_t dev_state;
2990
2991 do {
2992 msleep(1000);
2993 qla82xx_idc_lock(ha);
2994 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2995 qla82xx_idc_unlock(ha);
2996 } while (dev_state == curr_state);
2997
2998 return dev_state;
2999 }
3000
3001 void
3002 qla8xxx_dev_failed_handler(scsi_qla_host_t *vha)
3003 {
3004 struct qla_hw_data *ha = vha->hw;
3005
3006 /* Disable the board */
3007 ql_log(ql_log_fatal, vha, 0x00b8,
3008 "Disabling the board.\n");
3009
3010 if (IS_QLA82XX(ha)) {
3011 qla82xx_clear_drv_active(ha);
3012 qla82xx_idc_unlock(ha);
3013 } else if (IS_QLA8044(ha)) {
3014 qla8044_clear_drv_active(ha);
3015 qla8044_idc_unlock(ha);
3016 }
3017
3018 /* Set DEV_FAILED flag to disable timer */
3019 vha->device_flags |= DFLG_DEV_FAILED;
3020 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3021 qla2x00_mark_all_devices_lost(vha, 0);
3022 vha->flags.online = 0;
3023 vha->flags.init_done = 0;
3024 }
3025
3026 /*
3027 * qla82xx_need_reset_handler
3028 * Code to start reset sequence
3029 *
3030 * Note:
3031 * IDC lock must be held upon entry
3032 *
3033 * Return:
3034 * Success : 0
3035 * Failed : 1
3036 */
3037 static void
3038 qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3039 {
3040 uint32_t dev_state, drv_state, drv_active;
3041 uint32_t active_mask = 0;
3042 unsigned long reset_timeout;
3043 struct qla_hw_data *ha = vha->hw;
3044 struct req_que *req = ha->req_q_map[0];
3045
3046 if (vha->flags.online) {
3047 qla82xx_idc_unlock(ha);
3048 qla2x00_abort_isp_cleanup(vha);
3049 ha->isp_ops->get_flash_version(vha, req->ring);
3050 ha->isp_ops->nvram_config(vha);
3051 qla82xx_idc_lock(ha);
3052 }
3053
3054 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3055 if (!ha->flags.nic_core_reset_owner) {
3056 ql_dbg(ql_dbg_p3p, vha, 0xb028,
3057 "reset_acknowledged by 0x%x\n", ha->portnum);
3058 qla82xx_set_rst_ready(ha);
3059 } else {
3060 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
3061 drv_active &= active_mask;
3062 ql_dbg(ql_dbg_p3p, vha, 0xb029,
3063 "active_mask: 0x%08x\n", active_mask);
3064 }
3065
3066 /* wait for 10 seconds for reset ack from all functions */
3067 reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
3068
3069 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3070 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3071 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3072
3073 ql_dbg(ql_dbg_p3p, vha, 0xb02a,
3074 "drv_state: 0x%08x, drv_active: 0x%08x, "
3075 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3076 drv_state, drv_active, dev_state, active_mask);
3077
3078 while (drv_state != drv_active &&
3079 dev_state != QLA8XXX_DEV_INITIALIZING) {
3080 if (time_after_eq(jiffies, reset_timeout)) {
3081 ql_log(ql_log_warn, vha, 0x00b5,
3082 "Reset timeout.\n");
3083 break;
3084 }
3085 qla82xx_idc_unlock(ha);
3086 msleep(1000);
3087 qla82xx_idc_lock(ha);
3088 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3089 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3090 if (ha->flags.nic_core_reset_owner)
3091 drv_active &= active_mask;
3092 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3093 }
3094
3095 ql_dbg(ql_dbg_p3p, vha, 0xb02b,
3096 "drv_state: 0x%08x, drv_active: 0x%08x, "
3097 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3098 drv_state, drv_active, dev_state, active_mask);
3099
3100 ql_log(ql_log_info, vha, 0x00b6,
3101 "Device state is 0x%x = %s.\n",
3102 dev_state,
3103 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3104
3105 /* Force to DEV_COLD unless someone else is starting a reset */
3106 if (dev_state != QLA8XXX_DEV_INITIALIZING &&
3107 dev_state != QLA8XXX_DEV_COLD) {
3108 ql_log(ql_log_info, vha, 0x00b7,
3109 "HW State: COLD/RE-INIT.\n");
3110 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD);
3111 qla82xx_set_rst_ready(ha);
3112 if (ql2xmdenable) {
3113 if (qla82xx_md_collect(vha))
3114 ql_log(ql_log_warn, vha, 0xb02c,
3115 "Minidump not collected.\n");
3116 } else
3117 ql_log(ql_log_warn, vha, 0xb04f,
3118 "Minidump disabled.\n");
3119 }
3120 }
3121
3122 int
3123 qla82xx_check_md_needed(scsi_qla_host_t *vha)
3124 {
3125 struct qla_hw_data *ha = vha->hw;
3126 uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
3127 int rval = QLA_SUCCESS;
3128
3129 fw_major_version = ha->fw_major_version;
3130 fw_minor_version = ha->fw_minor_version;
3131 fw_subminor_version = ha->fw_subminor_version;
3132
3133 rval = qla2x00_get_fw_version(vha);
3134 if (rval != QLA_SUCCESS)
3135 return rval;
3136
3137 if (ql2xmdenable) {
3138 if (!ha->fw_dumped) {
3139 if ((fw_major_version != ha->fw_major_version ||
3140 fw_minor_version != ha->fw_minor_version ||
3141 fw_subminor_version != ha->fw_subminor_version) ||
3142 (ha->prev_minidump_failed)) {
3143 ql_dbg(ql_dbg_p3p, vha, 0xb02d,
3144 "Firmware version differs Previous version: %d:%d:%d - New version: %d:%d:%d, prev_minidump_failed: %d.\n",
3145 fw_major_version, fw_minor_version,
3146 fw_subminor_version,
3147 ha->fw_major_version,
3148 ha->fw_minor_version,
3149 ha->fw_subminor_version,
3150 ha->prev_minidump_failed);
3151 /* Release MiniDump resources */
3152 qla82xx_md_free(vha);
3153 /* ALlocate MiniDump resources */
3154 qla82xx_md_prep(vha);
3155 }
3156 } else
3157 ql_log(ql_log_info, vha, 0xb02e,
3158 "Firmware dump available to retrieve\n");
3159 }
3160 return rval;
3161 }
3162
3163
3164 static int
3165 qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3166 {
3167 uint32_t fw_heartbeat_counter;
3168 int status = 0;
3169
3170 fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3171 QLA82XX_PEG_ALIVE_COUNTER);
3172 /* all 0xff, assume AER/EEH in progress, ignore */
3173 if (fw_heartbeat_counter == 0xffffffff) {
3174 ql_dbg(ql_dbg_timer, vha, 0x6003,
3175 "FW heartbeat counter is 0xffffffff, "
3176 "returning status=%d.\n", status);
3177 return status;
3178 }
3179 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3180 vha->seconds_since_last_heartbeat++;
3181 /* FW not alive after 2 seconds */
3182 if (vha->seconds_since_last_heartbeat == 2) {
3183 vha->seconds_since_last_heartbeat = 0;
3184 status = 1;
3185 }
3186 } else
3187 vha->seconds_since_last_heartbeat = 0;
3188 vha->fw_heartbeat_counter = fw_heartbeat_counter;
3189 if (status)
3190 ql_dbg(ql_dbg_timer, vha, 0x6004,
3191 "Returning status=%d.\n", status);
3192 return status;
3193 }
3194
3195 /*
3196 * qla82xx_device_state_handler
3197 * Main state handler
3198 *
3199 * Note:
3200 * IDC lock must be held upon entry
3201 *
3202 * Return:
3203 * Success : 0
3204 * Failed : 1
3205 */
3206 int
3207 qla82xx_device_state_handler(scsi_qla_host_t *vha)
3208 {
3209 uint32_t dev_state;
3210 uint32_t old_dev_state;
3211 int rval = QLA_SUCCESS;
3212 unsigned long dev_init_timeout;
3213 struct qla_hw_data *ha = vha->hw;
3214 int loopcount = 0;
3215
3216 qla82xx_idc_lock(ha);
3217 if (!vha->flags.init_done) {
3218 qla82xx_set_drv_active(vha);
3219 qla82xx_set_idc_version(vha);
3220 }
3221
3222 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3223 old_dev_state = dev_state;
3224 ql_log(ql_log_info, vha, 0x009b,
3225 "Device state is 0x%x = %s.\n",
3226 dev_state,
3227 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3228
3229 /* wait for 30 seconds for device to go ready */
3230 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
3231
3232 while (1) {
3233
3234 if (time_after_eq(jiffies, dev_init_timeout)) {
3235 ql_log(ql_log_fatal, vha, 0x009c,
3236 "Device init failed.\n");
3237 rval = QLA_FUNCTION_FAILED;
3238 break;
3239 }
3240 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3241 if (old_dev_state != dev_state) {
3242 loopcount = 0;
3243 old_dev_state = dev_state;
3244 }
3245 if (loopcount < 5) {
3246 ql_log(ql_log_info, vha, 0x009d,
3247 "Device state is 0x%x = %s.\n",
3248 dev_state,
3249 dev_state < MAX_STATES ? qdev_state(dev_state) :
3250 "Unknown");
3251 }
3252
3253 switch (dev_state) {
3254 case QLA8XXX_DEV_READY:
3255 ha->flags.nic_core_reset_owner = 0;
3256 goto rel_lock;
3257 case QLA8XXX_DEV_COLD:
3258 rval = qla82xx_device_bootstrap(vha);
3259 break;
3260 case QLA8XXX_DEV_INITIALIZING:
3261 qla82xx_idc_unlock(ha);
3262 msleep(1000);
3263 qla82xx_idc_lock(ha);
3264 break;
3265 case QLA8XXX_DEV_NEED_RESET:
3266 if (!ql2xdontresethba)
3267 qla82xx_need_reset_handler(vha);
3268 else {
3269 qla82xx_idc_unlock(ha);
3270 msleep(1000);
3271 qla82xx_idc_lock(ha);
3272 }
3273 dev_init_timeout = jiffies +
3274 (ha->fcoe_dev_init_timeout * HZ);
3275 break;
3276 case QLA8XXX_DEV_NEED_QUIESCENT:
3277 qla82xx_need_qsnt_handler(vha);
3278 /* Reset timeout value after quiescence handler */
3279 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3280 * HZ);
3281 break;
3282 case QLA8XXX_DEV_QUIESCENT:
3283 /* Owner will exit and other will wait for the state
3284 * to get changed
3285 */
3286 if (ha->flags.quiesce_owner)
3287 goto rel_lock;
3288
3289 qla82xx_idc_unlock(ha);
3290 msleep(1000);
3291 qla82xx_idc_lock(ha);
3292
3293 /* Reset timeout value after quiescence handler */
3294 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3295 * HZ);
3296 break;
3297 case QLA8XXX_DEV_FAILED:
3298 qla8xxx_dev_failed_handler(vha);
3299 rval = QLA_FUNCTION_FAILED;
3300 goto exit;
3301 default:
3302 qla82xx_idc_unlock(ha);
3303 msleep(1000);
3304 qla82xx_idc_lock(ha);
3305 }
3306 loopcount++;
3307 }
3308 rel_lock:
3309 qla82xx_idc_unlock(ha);
3310 exit:
3311 return rval;
3312 }
3313
3314 static int qla82xx_check_temp(scsi_qla_host_t *vha)
3315 {
3316 uint32_t temp, temp_state, temp_val;
3317 struct qla_hw_data *ha = vha->hw;
3318
3319 temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
3320 temp_state = qla82xx_get_temp_state(temp);
3321 temp_val = qla82xx_get_temp_val(temp);
3322
3323 if (temp_state == QLA82XX_TEMP_PANIC) {
3324 ql_log(ql_log_warn, vha, 0x600e,
3325 "Device temperature %d degrees C exceeds "
3326 " maximum allowed. Hardware has been shut down.\n",
3327 temp_val);
3328 return 1;
3329 } else if (temp_state == QLA82XX_TEMP_WARN) {
3330 ql_log(ql_log_warn, vha, 0x600f,
3331 "Device temperature %d degrees C exceeds "
3332 "operating range. Immediate action needed.\n",
3333 temp_val);
3334 }
3335 return 0;
3336 }
3337
3338 int qla82xx_read_temperature(scsi_qla_host_t *vha)
3339 {
3340 uint32_t temp;
3341
3342 temp = qla82xx_rd_32(vha->hw, CRB_TEMP_STATE);
3343 return qla82xx_get_temp_val(temp);
3344 }
3345
3346 void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
3347 {
3348 struct qla_hw_data *ha = vha->hw;
3349
3350 if (ha->flags.mbox_busy) {
3351 ha->flags.mbox_int = 1;
3352 ha->flags.mbox_busy = 0;
3353 ql_log(ql_log_warn, vha, 0x6010,
3354 "Doing premature completion of mbx command.\n");
3355 if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
3356 complete(&ha->mbx_intr_comp);
3357 }
3358 }
3359
3360 void qla82xx_watchdog(scsi_qla_host_t *vha)
3361 {
3362 uint32_t dev_state, halt_status;
3363 struct qla_hw_data *ha = vha->hw;
3364
3365 /* don't poll if reset is going on */
3366 if (!ha->flags.nic_core_reset_hdlr_active) {
3367 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3368 if (qla82xx_check_temp(vha)) {
3369 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3370 ha->flags.isp82xx_fw_hung = 1;
3371 qla82xx_clear_pending_mbx(vha);
3372 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
3373 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
3374 ql_log(ql_log_warn, vha, 0x6001,
3375 "Adapter reset needed.\n");
3376 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3377 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
3378 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
3379 ql_log(ql_log_warn, vha, 0x6002,
3380 "Quiescent needed.\n");
3381 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
3382 } else if (dev_state == QLA8XXX_DEV_FAILED &&
3383 !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) &&
3384 vha->flags.online == 1) {
3385 ql_log(ql_log_warn, vha, 0xb055,
3386 "Adapter state is failed. Offlining.\n");
3387 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3388 ha->flags.isp82xx_fw_hung = 1;
3389 qla82xx_clear_pending_mbx(vha);
3390 } else {
3391 if (qla82xx_check_fw_alive(vha)) {
3392 ql_dbg(ql_dbg_timer, vha, 0x6011,
3393 "disabling pause transmit on port 0 & 1.\n");
3394 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
3395 CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
3396 halt_status = qla82xx_rd_32(ha,
3397 QLA82XX_PEG_HALT_STATUS1);
3398 ql_log(ql_log_info, vha, 0x6005,
3399 "dumping hw/fw registers:.\n "
3400 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3401 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3402 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3403 " PEG_NET_4_PC: 0x%x.\n", halt_status,
3404 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3405 qla82xx_rd_32(ha,
3406 QLA82XX_CRB_PEG_NET_0 + 0x3c),
3407 qla82xx_rd_32(ha,
3408 QLA82XX_CRB_PEG_NET_1 + 0x3c),
3409 qla82xx_rd_32(ha,
3410 QLA82XX_CRB_PEG_NET_2 + 0x3c),
3411 qla82xx_rd_32(ha,
3412 QLA82XX_CRB_PEG_NET_3 + 0x3c),
3413 qla82xx_rd_32(ha,
3414 QLA82XX_CRB_PEG_NET_4 + 0x3c));
3415 if (((halt_status & 0x1fffff00) >> 8) == 0x67)
3416 ql_log(ql_log_warn, vha, 0xb052,
3417 "Firmware aborted with "
3418 "error code 0x00006700. Device is "
3419 "being reset.\n");
3420 if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3421 set_bit(ISP_UNRECOVERABLE,
3422 &vha->dpc_flags);
3423 } else {
3424 ql_log(ql_log_info, vha, 0x6006,
3425 "Detect abort needed.\n");
3426 set_bit(ISP_ABORT_NEEDED,
3427 &vha->dpc_flags);
3428 }
3429 ha->flags.isp82xx_fw_hung = 1;
3430 ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
3431 qla82xx_clear_pending_mbx(vha);
3432 }
3433 }
3434 }
3435 }
3436
3437 int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3438 {
3439 int rval = -1;
3440 struct qla_hw_data *ha = vha->hw;
3441
3442 if (IS_QLA82XX(ha))
3443 rval = qla82xx_device_state_handler(vha);
3444 else if (IS_QLA8044(ha)) {
3445 qla8044_idc_lock(ha);
3446 /* Decide the reset ownership */
3447 qla83xx_reset_ownership(vha);
3448 qla8044_idc_unlock(ha);
3449 rval = qla8044_device_state_handler(vha);
3450 }
3451 return rval;
3452 }
3453
3454 void
3455 qla82xx_set_reset_owner(scsi_qla_host_t *vha)
3456 {
3457 struct qla_hw_data *ha = vha->hw;
3458 uint32_t dev_state = 0;
3459
3460 if (IS_QLA82XX(ha))
3461 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3462 else if (IS_QLA8044(ha))
3463 dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
3464
3465 if (dev_state == QLA8XXX_DEV_READY) {
3466 ql_log(ql_log_info, vha, 0xb02f,
3467 "HW State: NEED RESET\n");
3468 if (IS_QLA82XX(ha)) {
3469 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3470 QLA8XXX_DEV_NEED_RESET);
3471 ha->flags.nic_core_reset_owner = 1;
3472 ql_dbg(ql_dbg_p3p, vha, 0xb030,
3473 "reset_owner is 0x%x\n", ha->portnum);
3474 } else if (IS_QLA8044(ha))
3475 qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
3476 QLA8XXX_DEV_NEED_RESET);
3477 } else
3478 ql_log(ql_log_info, vha, 0xb031,
3479 "Device state is 0x%x = %s.\n",
3480 dev_state,
3481 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3482 }
3483
3484 /*
3485 * qla82xx_abort_isp
3486 * Resets ISP and aborts all outstanding commands.
3487 *
3488 * Input:
3489 * ha = adapter block pointer.
3490 *
3491 * Returns:
3492 * 0 = success
3493 */
3494 int
3495 qla82xx_abort_isp(scsi_qla_host_t *vha)
3496 {
3497 int rval = -1;
3498 struct qla_hw_data *ha = vha->hw;
3499
3500 if (vha->device_flags & DFLG_DEV_FAILED) {
3501 ql_log(ql_log_warn, vha, 0x8024,
3502 "Device in failed state, exiting.\n");
3503 return QLA_SUCCESS;
3504 }
3505 ha->flags.nic_core_reset_hdlr_active = 1;
3506
3507 qla82xx_idc_lock(ha);
3508 qla82xx_set_reset_owner(vha);
3509 qla82xx_idc_unlock(ha);
3510
3511 if (IS_QLA82XX(ha))
3512 rval = qla82xx_device_state_handler(vha);
3513 else if (IS_QLA8044(ha)) {
3514 qla8044_idc_lock(ha);
3515 /* Decide the reset ownership */
3516 qla83xx_reset_ownership(vha);
3517 qla8044_idc_unlock(ha);
3518 rval = qla8044_device_state_handler(vha);
3519 }
3520
3521 qla82xx_idc_lock(ha);
3522 qla82xx_clear_rst_ready(ha);
3523 qla82xx_idc_unlock(ha);
3524
3525 if (rval == QLA_SUCCESS) {
3526 ha->flags.isp82xx_fw_hung = 0;
3527 ha->flags.nic_core_reset_hdlr_active = 0;
3528 qla82xx_restart_isp(vha);
3529 }
3530
3531 if (rval) {
3532 vha->flags.online = 1;
3533 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3534 if (ha->isp_abort_cnt == 0) {
3535 ql_log(ql_log_warn, vha, 0x8027,
3536 "ISP error recover failed - board "
3537 "disabled.\n");
3538 /*
3539 * The next call disables the board
3540 * completely.
3541 */
3542 ha->isp_ops->reset_adapter(vha);
3543 vha->flags.online = 0;
3544 clear_bit(ISP_ABORT_RETRY,
3545 &vha->dpc_flags);
3546 rval = QLA_SUCCESS;
3547 } else { /* schedule another ISP abort */
3548 ha->isp_abort_cnt--;
3549 ql_log(ql_log_warn, vha, 0x8036,
3550 "ISP abort - retry remaining %d.\n",
3551 ha->isp_abort_cnt);
3552 rval = QLA_FUNCTION_FAILED;
3553 }
3554 } else {
3555 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3556 ql_dbg(ql_dbg_taskm, vha, 0x8029,
3557 "ISP error recovery - retrying (%d) more times.\n",
3558 ha->isp_abort_cnt);
3559 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3560 rval = QLA_FUNCTION_FAILED;
3561 }
3562 }
3563 return rval;
3564 }
3565
3566 /*
3567 * qla82xx_fcoe_ctx_reset
3568 * Perform a quick reset and aborts all outstanding commands.
3569 * This will only perform an FCoE context reset and avoids a full blown
3570 * chip reset.
3571 *
3572 * Input:
3573 * ha = adapter block pointer.
3574 * is_reset_path = flag for identifying the reset path.
3575 *
3576 * Returns:
3577 * 0 = success
3578 */
3579 int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3580 {
3581 int rval = QLA_FUNCTION_FAILED;
3582
3583 if (vha->flags.online) {
3584 /* Abort all outstanding commands, so as to be requeued later */
3585 qla2x00_abort_isp_cleanup(vha);
3586 }
3587
3588 /* Stop currently executing firmware.
3589 * This will destroy existing FCoE context at the F/W end.
3590 */
3591 qla2x00_try_to_stop_firmware(vha);
3592
3593 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3594 rval = qla82xx_restart_isp(vha);
3595
3596 return rval;
3597 }
3598
3599 /*
3600 * qla2x00_wait_for_fcoe_ctx_reset
3601 * Wait till the FCoE context is reset.
3602 *
3603 * Note:
3604 * Does context switching here.
3605 * Release SPIN_LOCK (if any) before calling this routine.
3606 *
3607 * Return:
3608 * Success (fcoe_ctx reset is done) : 0
3609 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
3610 */
3611 int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3612 {
3613 int status = QLA_FUNCTION_FAILED;
3614 unsigned long wait_reset;
3615
3616 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3617 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3618 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3619 && time_before(jiffies, wait_reset)) {
3620
3621 set_current_state(TASK_UNINTERRUPTIBLE);
3622 schedule_timeout(HZ);
3623
3624 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3625 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3626 status = QLA_SUCCESS;
3627 break;
3628 }
3629 }
3630 ql_dbg(ql_dbg_p3p, vha, 0xb027,
3631 "%s: status=%d.\n", __func__, status);
3632
3633 return status;
3634 }
3635
3636 void
3637 qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3638 {
3639 int i, fw_state = 0;
3640 unsigned long flags;
3641 struct qla_hw_data *ha = vha->hw;
3642
3643 /* Check if 82XX firmware is alive or not
3644 * We may have arrived here from NEED_RESET
3645 * detection only
3646 */
3647 if (!ha->flags.isp82xx_fw_hung) {
3648 for (i = 0; i < 2; i++) {
3649 msleep(1000);
3650 if (IS_QLA82XX(ha))
3651 fw_state = qla82xx_check_fw_alive(vha);
3652 else if (IS_QLA8044(ha))
3653 fw_state = qla8044_check_fw_alive(vha);
3654 if (fw_state) {
3655 ha->flags.isp82xx_fw_hung = 1;
3656 qla82xx_clear_pending_mbx(vha);
3657 break;
3658 }
3659 }
3660 }
3661 ql_dbg(ql_dbg_init, vha, 0x00b0,
3662 "Entered %s fw_hung=%d.\n",
3663 __func__, ha->flags.isp82xx_fw_hung);
3664
3665 /* Abort all commands gracefully if fw NOT hung */
3666 if (!ha->flags.isp82xx_fw_hung) {
3667 int cnt, que;
3668 srb_t *sp;
3669 struct req_que *req;
3670
3671 spin_lock_irqsave(&ha->hardware_lock, flags);
3672 for (que = 0; que < ha->max_req_queues; que++) {
3673 req = ha->req_q_map[que];
3674 if (!req)
3675 continue;
3676 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
3677 sp = req->outstanding_cmds[cnt];
3678 if (sp) {
3679 if ((!sp->u.scmd.ctx ||
3680 (sp->flags &
3681 SRB_FCP_CMND_DMA_VALID)) &&
3682 !ha->flags.isp82xx_fw_hung) {
3683 spin_unlock_irqrestore(
3684 &ha->hardware_lock, flags);
3685 if (ha->isp_ops->abort_command(sp)) {
3686 ql_log(ql_log_info, vha,
3687 0x00b1,
3688 "mbx abort failed.\n");
3689 } else {
3690 ql_log(ql_log_info, vha,
3691 0x00b2,
3692 "mbx abort success.\n");
3693 }
3694 spin_lock_irqsave(&ha->hardware_lock, flags);
3695 }
3696 }
3697 }
3698 }
3699 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3700
3701 /* Wait for pending cmds (physical and virtual) to complete */
3702 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3703 WAIT_HOST)) {
3704 ql_dbg(ql_dbg_init, vha, 0x00b3,
3705 "Done wait for "
3706 "pending commands.\n");
3707 }
3708 }
3709 }
3710
3711 /* Minidump related functions */
3712 static int
3713 qla82xx_minidump_process_control(scsi_qla_host_t *vha,
3714 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3715 {
3716 struct qla_hw_data *ha = vha->hw;
3717 struct qla82xx_md_entry_crb *crb_entry;
3718 uint32_t read_value, opcode, poll_time;
3719 uint32_t addr, index, crb_addr;
3720 unsigned long wtime;
3721 struct qla82xx_md_template_hdr *tmplt_hdr;
3722 uint32_t rval = QLA_SUCCESS;
3723 int i;
3724
3725 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
3726 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
3727 crb_addr = crb_entry->addr;
3728
3729 for (i = 0; i < crb_entry->op_count; i++) {
3730 opcode = crb_entry->crb_ctrl.opcode;
3731 if (opcode & QLA82XX_DBG_OPCODE_WR) {
3732 qla82xx_md_rw_32(ha, crb_addr,
3733 crb_entry->value_1, 1);
3734 opcode &= ~QLA82XX_DBG_OPCODE_WR;
3735 }
3736
3737 if (opcode & QLA82XX_DBG_OPCODE_RW) {
3738 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3739 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3740 opcode &= ~QLA82XX_DBG_OPCODE_RW;
3741 }
3742
3743 if (opcode & QLA82XX_DBG_OPCODE_AND) {
3744 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3745 read_value &= crb_entry->value_2;
3746 opcode &= ~QLA82XX_DBG_OPCODE_AND;
3747 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3748 read_value |= crb_entry->value_3;
3749 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3750 }
3751 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3752 }
3753
3754 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3755 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3756 read_value |= crb_entry->value_3;
3757 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3758 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3759 }
3760
3761 if (opcode & QLA82XX_DBG_OPCODE_POLL) {
3762 poll_time = crb_entry->crb_strd.poll_timeout;
3763 wtime = jiffies + poll_time;
3764 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3765
3766 do {
3767 if ((read_value & crb_entry->value_2)
3768 == crb_entry->value_1)
3769 break;
3770 else if (time_after_eq(jiffies, wtime)) {
3771 /* capturing dump failed */
3772 rval = QLA_FUNCTION_FAILED;
3773 break;
3774 } else
3775 read_value = qla82xx_md_rw_32(ha,
3776 crb_addr, 0, 0);
3777 } while (1);
3778 opcode &= ~QLA82XX_DBG_OPCODE_POLL;
3779 }
3780
3781 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
3782 if (crb_entry->crb_strd.state_index_a) {
3783 index = crb_entry->crb_strd.state_index_a;
3784 addr = tmplt_hdr->saved_state_array[index];
3785 } else
3786 addr = crb_addr;
3787
3788 read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3789 index = crb_entry->crb_ctrl.state_index_v;
3790 tmplt_hdr->saved_state_array[index] = read_value;
3791 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
3792 }
3793
3794 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
3795 if (crb_entry->crb_strd.state_index_a) {
3796 index = crb_entry->crb_strd.state_index_a;
3797 addr = tmplt_hdr->saved_state_array[index];
3798 } else
3799 addr = crb_addr;
3800
3801 if (crb_entry->crb_ctrl.state_index_v) {
3802 index = crb_entry->crb_ctrl.state_index_v;
3803 read_value =
3804 tmplt_hdr->saved_state_array[index];
3805 } else
3806 read_value = crb_entry->value_1;
3807
3808 qla82xx_md_rw_32(ha, addr, read_value, 1);
3809 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
3810 }
3811
3812 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
3813 index = crb_entry->crb_ctrl.state_index_v;
3814 read_value = tmplt_hdr->saved_state_array[index];
3815 read_value <<= crb_entry->crb_ctrl.shl;
3816 read_value >>= crb_entry->crb_ctrl.shr;
3817 if (crb_entry->value_2)
3818 read_value &= crb_entry->value_2;
3819 read_value |= crb_entry->value_3;
3820 read_value += crb_entry->value_1;
3821 tmplt_hdr->saved_state_array[index] = read_value;
3822 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
3823 }
3824 crb_addr += crb_entry->crb_strd.addr_stride;
3825 }
3826 return rval;
3827 }
3828
3829 static void
3830 qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
3831 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3832 {
3833 struct qla_hw_data *ha = vha->hw;
3834 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3835 struct qla82xx_md_entry_rdocm *ocm_hdr;
3836 uint32_t *data_ptr = *d_ptr;
3837
3838 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
3839 r_addr = ocm_hdr->read_addr;
3840 r_stride = ocm_hdr->read_addr_stride;
3841 loop_cnt = ocm_hdr->op_count;
3842
3843 for (i = 0; i < loop_cnt; i++) {
3844 r_value = RD_REG_DWORD(r_addr + ha->nx_pcibase);
3845 *data_ptr++ = cpu_to_le32(r_value);
3846 r_addr += r_stride;
3847 }
3848 *d_ptr = data_ptr;
3849 }
3850
3851 static void
3852 qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
3853 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3854 {
3855 struct qla_hw_data *ha = vha->hw;
3856 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
3857 struct qla82xx_md_entry_mux *mux_hdr;
3858 uint32_t *data_ptr = *d_ptr;
3859
3860 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
3861 r_addr = mux_hdr->read_addr;
3862 s_addr = mux_hdr->select_addr;
3863 s_stride = mux_hdr->select_value_stride;
3864 s_value = mux_hdr->select_value;
3865 loop_cnt = mux_hdr->op_count;
3866
3867 for (i = 0; i < loop_cnt; i++) {
3868 qla82xx_md_rw_32(ha, s_addr, s_value, 1);
3869 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3870 *data_ptr++ = cpu_to_le32(s_value);
3871 *data_ptr++ = cpu_to_le32(r_value);
3872 s_value += s_stride;
3873 }
3874 *d_ptr = data_ptr;
3875 }
3876
3877 static void
3878 qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
3879 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3880 {
3881 struct qla_hw_data *ha = vha->hw;
3882 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3883 struct qla82xx_md_entry_crb *crb_hdr;
3884 uint32_t *data_ptr = *d_ptr;
3885
3886 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
3887 r_addr = crb_hdr->addr;
3888 r_stride = crb_hdr->crb_strd.addr_stride;
3889 loop_cnt = crb_hdr->op_count;
3890
3891 for (i = 0; i < loop_cnt; i++) {
3892 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3893 *data_ptr++ = cpu_to_le32(r_addr);
3894 *data_ptr++ = cpu_to_le32(r_value);
3895 r_addr += r_stride;
3896 }
3897 *d_ptr = data_ptr;
3898 }
3899
3900 static int
3901 qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
3902 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3903 {
3904 struct qla_hw_data *ha = vha->hw;
3905 uint32_t addr, r_addr, c_addr, t_r_addr;
3906 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3907 unsigned long p_wait, w_time, p_mask;
3908 uint32_t c_value_w, c_value_r;
3909 struct qla82xx_md_entry_cache *cache_hdr;
3910 int rval = QLA_FUNCTION_FAILED;
3911 uint32_t *data_ptr = *d_ptr;
3912
3913 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3914 loop_count = cache_hdr->op_count;
3915 r_addr = cache_hdr->read_addr;
3916 c_addr = cache_hdr->control_addr;
3917 c_value_w = cache_hdr->cache_ctrl.write_value;
3918
3919 t_r_addr = cache_hdr->tag_reg_addr;
3920 t_value = cache_hdr->addr_ctrl.init_tag_value;
3921 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3922 p_wait = cache_hdr->cache_ctrl.poll_wait;
3923 p_mask = cache_hdr->cache_ctrl.poll_mask;
3924
3925 for (i = 0; i < loop_count; i++) {
3926 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3927 if (c_value_w)
3928 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3929
3930 if (p_mask) {
3931 w_time = jiffies + p_wait;
3932 do {
3933 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
3934 if ((c_value_r & p_mask) == 0)
3935 break;
3936 else if (time_after_eq(jiffies, w_time)) {
3937 /* capturing dump failed */
3938 ql_dbg(ql_dbg_p3p, vha, 0xb032,
3939 "c_value_r: 0x%x, poll_mask: 0x%lx, "
3940 "w_time: 0x%lx\n",
3941 c_value_r, p_mask, w_time);
3942 return rval;
3943 }
3944 } while (1);
3945 }
3946
3947 addr = r_addr;
3948 for (k = 0; k < r_cnt; k++) {
3949 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3950 *data_ptr++ = cpu_to_le32(r_value);
3951 addr += cache_hdr->read_ctrl.read_addr_stride;
3952 }
3953 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3954 }
3955 *d_ptr = data_ptr;
3956 return QLA_SUCCESS;
3957 }
3958
3959 static void
3960 qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
3961 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3962 {
3963 struct qla_hw_data *ha = vha->hw;
3964 uint32_t addr, r_addr, c_addr, t_r_addr;
3965 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3966 uint32_t c_value_w;
3967 struct qla82xx_md_entry_cache *cache_hdr;
3968 uint32_t *data_ptr = *d_ptr;
3969
3970 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3971 loop_count = cache_hdr->op_count;
3972 r_addr = cache_hdr->read_addr;
3973 c_addr = cache_hdr->control_addr;
3974 c_value_w = cache_hdr->cache_ctrl.write_value;
3975
3976 t_r_addr = cache_hdr->tag_reg_addr;
3977 t_value = cache_hdr->addr_ctrl.init_tag_value;
3978 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3979
3980 for (i = 0; i < loop_count; i++) {
3981 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3982 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3983 addr = r_addr;
3984 for (k = 0; k < r_cnt; k++) {
3985 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3986 *data_ptr++ = cpu_to_le32(r_value);
3987 addr += cache_hdr->read_ctrl.read_addr_stride;
3988 }
3989 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3990 }
3991 *d_ptr = data_ptr;
3992 }
3993
3994 static void
3995 qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
3996 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3997 {
3998 struct qla_hw_data *ha = vha->hw;
3999 uint32_t s_addr, r_addr;
4000 uint32_t r_stride, r_value, r_cnt, qid = 0;
4001 uint32_t i, k, loop_cnt;
4002 struct qla82xx_md_entry_queue *q_hdr;
4003 uint32_t *data_ptr = *d_ptr;
4004
4005 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
4006 s_addr = q_hdr->select_addr;
4007 r_cnt = q_hdr->rd_strd.read_addr_cnt;
4008 r_stride = q_hdr->rd_strd.read_addr_stride;
4009 loop_cnt = q_hdr->op_count;
4010
4011 for (i = 0; i < loop_cnt; i++) {
4012 qla82xx_md_rw_32(ha, s_addr, qid, 1);
4013 r_addr = q_hdr->read_addr;
4014 for (k = 0; k < r_cnt; k++) {
4015 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
4016 *data_ptr++ = cpu_to_le32(r_value);
4017 r_addr += r_stride;
4018 }
4019 qid += q_hdr->q_strd.queue_id_stride;
4020 }
4021 *d_ptr = data_ptr;
4022 }
4023
4024 static void
4025 qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
4026 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4027 {
4028 struct qla_hw_data *ha = vha->hw;
4029 uint32_t r_addr, r_value;
4030 uint32_t i, loop_cnt;
4031 struct qla82xx_md_entry_rdrom *rom_hdr;
4032 uint32_t *data_ptr = *d_ptr;
4033
4034 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
4035 r_addr = rom_hdr->read_addr;
4036 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
4037
4038 for (i = 0; i < loop_cnt; i++) {
4039 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
4040 (r_addr & 0xFFFF0000), 1);
4041 r_value = qla82xx_md_rw_32(ha,
4042 MD_DIRECT_ROM_READ_BASE +
4043 (r_addr & 0x0000FFFF), 0, 0);
4044 *data_ptr++ = cpu_to_le32(r_value);
4045 r_addr += sizeof(uint32_t);
4046 }
4047 *d_ptr = data_ptr;
4048 }
4049
4050 static int
4051 qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
4052 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4053 {
4054 struct qla_hw_data *ha = vha->hw;
4055 uint32_t r_addr, r_value, r_data;
4056 uint32_t i, j, loop_cnt;
4057 struct qla82xx_md_entry_rdmem *m_hdr;
4058 unsigned long flags;
4059 int rval = QLA_FUNCTION_FAILED;
4060 uint32_t *data_ptr = *d_ptr;
4061
4062 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
4063 r_addr = m_hdr->read_addr;
4064 loop_cnt = m_hdr->read_data_size/16;
4065
4066 if (r_addr & 0xf) {
4067 ql_log(ql_log_warn, vha, 0xb033,
4068 "Read addr 0x%x not 16 bytes aligned\n", r_addr);
4069 return rval;
4070 }
4071
4072 if (m_hdr->read_data_size % 16) {
4073 ql_log(ql_log_warn, vha, 0xb034,
4074 "Read data[0x%x] not multiple of 16 bytes\n",
4075 m_hdr->read_data_size);
4076 return rval;
4077 }
4078
4079 ql_dbg(ql_dbg_p3p, vha, 0xb035,
4080 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
4081 __func__, r_addr, m_hdr->read_data_size, loop_cnt);
4082
4083 write_lock_irqsave(&ha->hw_lock, flags);
4084 for (i = 0; i < loop_cnt; i++) {
4085 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
4086 r_value = 0;
4087 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
4088 r_value = MIU_TA_CTL_ENABLE;
4089 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4090 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
4091 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4092
4093 for (j = 0; j < MAX_CTL_CHECK; j++) {
4094 r_value = qla82xx_md_rw_32(ha,
4095 MD_MIU_TEST_AGT_CTRL, 0, 0);
4096 if ((r_value & MIU_TA_CTL_BUSY) == 0)
4097 break;
4098 }
4099
4100 if (j >= MAX_CTL_CHECK) {
4101 printk_ratelimited(KERN_ERR
4102 "failed to read through agent\n");
4103 write_unlock_irqrestore(&ha->hw_lock, flags);
4104 return rval;
4105 }
4106
4107 for (j = 0; j < 4; j++) {
4108 r_data = qla82xx_md_rw_32(ha,
4109 MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
4110 *data_ptr++ = cpu_to_le32(r_data);
4111 }
4112 r_addr += 16;
4113 }
4114 write_unlock_irqrestore(&ha->hw_lock, flags);
4115 *d_ptr = data_ptr;
4116 return QLA_SUCCESS;
4117 }
4118
4119 int
4120 qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
4121 {
4122 struct qla_hw_data *ha = vha->hw;
4123 uint64_t chksum = 0;
4124 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
4125 int count = ha->md_template_size/sizeof(uint32_t);
4126
4127 while (count-- > 0)
4128 chksum += *d_ptr++;
4129 while (chksum >> 32)
4130 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
4131 return ~chksum;
4132 }
4133
4134 static void
4135 qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
4136 qla82xx_md_entry_hdr_t *entry_hdr, int index)
4137 {
4138 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
4139 ql_dbg(ql_dbg_p3p, vha, 0xb036,
4140 "Skipping entry[%d]: "
4141 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4142 index, entry_hdr->entry_type,
4143 entry_hdr->d_ctrl.entry_capture_mask);
4144 }
4145
4146 int
4147 qla82xx_md_collect(scsi_qla_host_t *vha)
4148 {
4149 struct qla_hw_data *ha = vha->hw;
4150 int no_entry_hdr = 0;
4151 qla82xx_md_entry_hdr_t *entry_hdr;
4152 struct qla82xx_md_template_hdr *tmplt_hdr;
4153 uint32_t *data_ptr;
4154 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
4155 int i = 0, rval = QLA_FUNCTION_FAILED;
4156
4157 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4158 data_ptr = (uint32_t *)ha->md_dump;
4159
4160 if (ha->fw_dumped) {
4161 ql_log(ql_log_warn, vha, 0xb037,
4162 "Firmware has been previously dumped (%p) "
4163 "-- ignoring request.\n", ha->fw_dump);
4164 goto md_failed;
4165 }
4166
4167 ha->fw_dumped = 0;
4168
4169 if (!ha->md_tmplt_hdr || !ha->md_dump) {
4170 ql_log(ql_log_warn, vha, 0xb038,
4171 "Memory not allocated for minidump capture\n");
4172 goto md_failed;
4173 }
4174
4175 if (ha->flags.isp82xx_no_md_cap) {
4176 ql_log(ql_log_warn, vha, 0xb054,
4177 "Forced reset from application, "
4178 "ignore minidump capture\n");
4179 ha->flags.isp82xx_no_md_cap = 0;
4180 goto md_failed;
4181 }
4182
4183 if (qla82xx_validate_template_chksum(vha)) {
4184 ql_log(ql_log_info, vha, 0xb039,
4185 "Template checksum validation error\n");
4186 goto md_failed;
4187 }
4188
4189 no_entry_hdr = tmplt_hdr->num_of_entries;
4190 ql_dbg(ql_dbg_p3p, vha, 0xb03a,
4191 "No of entry headers in Template: 0x%x\n", no_entry_hdr);
4192
4193 ql_dbg(ql_dbg_p3p, vha, 0xb03b,
4194 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
4195
4196 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
4197
4198 /* Validate whether required debug level is set */
4199 if ((f_capture_mask & 0x3) != 0x3) {
4200 ql_log(ql_log_warn, vha, 0xb03c,
4201 "Minimum required capture mask[0x%x] level not set\n",
4202 f_capture_mask);
4203 goto md_failed;
4204 }
4205 tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
4206
4207 tmplt_hdr->driver_info[0] = vha->host_no;
4208 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
4209 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
4210 QLA_DRIVER_BETA_VER;
4211
4212 total_data_size = ha->md_dump_size;
4213
4214 ql_dbg(ql_dbg_p3p, vha, 0xb03d,
4215 "Total minidump data_size 0x%x to be captured\n", total_data_size);
4216
4217 /* Check whether template obtained is valid */
4218 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
4219 ql_log(ql_log_warn, vha, 0xb04e,
4220 "Bad template header entry type: 0x%x obtained\n",
4221 tmplt_hdr->entry_type);
4222 goto md_failed;
4223 }
4224
4225 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4226 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
4227
4228 /* Walk through the entry headers */
4229 for (i = 0; i < no_entry_hdr; i++) {
4230
4231 if (data_collected > total_data_size) {
4232 ql_log(ql_log_warn, vha, 0xb03e,
4233 "More MiniDump data collected: [0x%x]\n",
4234 data_collected);
4235 goto md_failed;
4236 }
4237
4238 if (!(entry_hdr->d_ctrl.entry_capture_mask &
4239 ql2xmdcapmask)) {
4240 entry_hdr->d_ctrl.driver_flags |=
4241 QLA82XX_DBG_SKIPPED_FLAG;
4242 ql_dbg(ql_dbg_p3p, vha, 0xb03f,
4243 "Skipping entry[%d]: "
4244 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4245 i, entry_hdr->entry_type,
4246 entry_hdr->d_ctrl.entry_capture_mask);
4247 goto skip_nxt_entry;
4248 }
4249
4250 ql_dbg(ql_dbg_p3p, vha, 0xb040,
4251 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
4252 "entry_type: 0x%x, capture_mask: 0x%x\n",
4253 __func__, i, data_ptr, entry_hdr,
4254 entry_hdr->entry_type,
4255 entry_hdr->d_ctrl.entry_capture_mask);
4256
4257 ql_dbg(ql_dbg_p3p, vha, 0xb041,
4258 "Data collected: [0x%x], Dump size left:[0x%x]\n",
4259 data_collected, (ha->md_dump_size - data_collected));
4260
4261 /* Decode the entry type and take
4262 * required action to capture debug data */
4263 switch (entry_hdr->entry_type) {
4264 case QLA82XX_RDEND:
4265 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4266 break;
4267 case QLA82XX_CNTRL:
4268 rval = qla82xx_minidump_process_control(vha,
4269 entry_hdr, &data_ptr);
4270 if (rval != QLA_SUCCESS) {
4271 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4272 goto md_failed;
4273 }
4274 break;
4275 case QLA82XX_RDCRB:
4276 qla82xx_minidump_process_rdcrb(vha,
4277 entry_hdr, &data_ptr);
4278 break;
4279 case QLA82XX_RDMEM:
4280 rval = qla82xx_minidump_process_rdmem(vha,
4281 entry_hdr, &data_ptr);
4282 if (rval != QLA_SUCCESS) {
4283 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4284 goto md_failed;
4285 }
4286 break;
4287 case QLA82XX_BOARD:
4288 case QLA82XX_RDROM:
4289 qla82xx_minidump_process_rdrom(vha,
4290 entry_hdr, &data_ptr);
4291 break;
4292 case QLA82XX_L2DTG:
4293 case QLA82XX_L2ITG:
4294 case QLA82XX_L2DAT:
4295 case QLA82XX_L2INS:
4296 rval = qla82xx_minidump_process_l2tag(vha,
4297 entry_hdr, &data_ptr);
4298 if (rval != QLA_SUCCESS) {
4299 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4300 goto md_failed;
4301 }
4302 break;
4303 case QLA82XX_L1DAT:
4304 case QLA82XX_L1INS:
4305 qla82xx_minidump_process_l1cache(vha,
4306 entry_hdr, &data_ptr);
4307 break;
4308 case QLA82XX_RDOCM:
4309 qla82xx_minidump_process_rdocm(vha,
4310 entry_hdr, &data_ptr);
4311 break;
4312 case QLA82XX_RDMUX:
4313 qla82xx_minidump_process_rdmux(vha,
4314 entry_hdr, &data_ptr);
4315 break;
4316 case QLA82XX_QUEUE:
4317 qla82xx_minidump_process_queue(vha,
4318 entry_hdr, &data_ptr);
4319 break;
4320 case QLA82XX_RDNOP:
4321 default:
4322 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4323 break;
4324 }
4325
4326 ql_dbg(ql_dbg_p3p, vha, 0xb042,
4327 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
4328
4329 data_collected = (uint8_t *)data_ptr -
4330 (uint8_t *)ha->md_dump;
4331 skip_nxt_entry:
4332 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4333 (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
4334 }
4335
4336 if (data_collected != total_data_size) {
4337 ql_dbg(ql_dbg_p3p, vha, 0xb043,
4338 "MiniDump data mismatch: Data collected: [0x%x],"
4339 "total_data_size:[0x%x]\n",
4340 data_collected, total_data_size);
4341 goto md_failed;
4342 }
4343
4344 ql_log(ql_log_info, vha, 0xb044,
4345 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
4346 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
4347 ha->fw_dumped = 1;
4348 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
4349
4350 md_failed:
4351 return rval;
4352 }
4353
4354 int
4355 qla82xx_md_alloc(scsi_qla_host_t *vha)
4356 {
4357 struct qla_hw_data *ha = vha->hw;
4358 int i, k;
4359 struct qla82xx_md_template_hdr *tmplt_hdr;
4360
4361 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4362
4363 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
4364 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
4365 ql_log(ql_log_info, vha, 0xb045,
4366 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
4367 ql2xmdcapmask);
4368 }
4369
4370 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
4371 if (i & ql2xmdcapmask)
4372 ha->md_dump_size += tmplt_hdr->capture_size_array[k];
4373 }
4374
4375 if (ha->md_dump) {
4376 ql_log(ql_log_warn, vha, 0xb046,
4377 "Firmware dump previously allocated.\n");
4378 return 1;
4379 }
4380
4381 ha->md_dump = vmalloc(ha->md_dump_size);
4382 if (ha->md_dump == NULL) {
4383 ql_log(ql_log_warn, vha, 0xb047,
4384 "Unable to allocate memory for Minidump size "
4385 "(0x%x).\n", ha->md_dump_size);
4386 return 1;
4387 }
4388 return 0;
4389 }
4390
4391 void
4392 qla82xx_md_free(scsi_qla_host_t *vha)
4393 {
4394 struct qla_hw_data *ha = vha->hw;
4395
4396 /* Release the template header allocated */
4397 if (ha->md_tmplt_hdr) {
4398 ql_log(ql_log_info, vha, 0xb048,
4399 "Free MiniDump template: %p, size (%d KB)\n",
4400 ha->md_tmplt_hdr, ha->md_template_size / 1024);
4401 dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
4402 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4403 ha->md_tmplt_hdr = NULL;
4404 }
4405
4406 /* Release the template data buffer allocated */
4407 if (ha->md_dump) {
4408 ql_log(ql_log_info, vha, 0xb049,
4409 "Free MiniDump memory: %p, size (%d KB)\n",
4410 ha->md_dump, ha->md_dump_size / 1024);
4411 vfree(ha->md_dump);
4412 ha->md_dump_size = 0;
4413 ha->md_dump = NULL;
4414 }
4415 }
4416
4417 void
4418 qla82xx_md_prep(scsi_qla_host_t *vha)
4419 {
4420 struct qla_hw_data *ha = vha->hw;
4421 int rval;
4422
4423 /* Get Minidump template size */
4424 rval = qla82xx_md_get_template_size(vha);
4425 if (rval == QLA_SUCCESS) {
4426 ql_log(ql_log_info, vha, 0xb04a,
4427 "MiniDump Template size obtained (%d KB)\n",
4428 ha->md_template_size / 1024);
4429
4430 /* Get Minidump template */
4431 if (IS_QLA8044(ha))
4432 rval = qla8044_md_get_template(vha);
4433 else
4434 rval = qla82xx_md_get_template(vha);
4435
4436 if (rval == QLA_SUCCESS) {
4437 ql_dbg(ql_dbg_p3p, vha, 0xb04b,
4438 "MiniDump Template obtained\n");
4439
4440 /* Allocate memory for minidump */
4441 rval = qla82xx_md_alloc(vha);
4442 if (rval == QLA_SUCCESS)
4443 ql_log(ql_log_info, vha, 0xb04c,
4444 "MiniDump memory allocated (%d KB)\n",
4445 ha->md_dump_size / 1024);
4446 else {
4447 ql_log(ql_log_info, vha, 0xb04d,
4448 "Free MiniDump template: %p, size: (%d KB)\n",
4449 ha->md_tmplt_hdr,
4450 ha->md_template_size / 1024);
4451 dma_free_coherent(&ha->pdev->dev,
4452 ha->md_template_size,
4453 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4454 ha->md_tmplt_hdr = NULL;
4455 }
4456
4457 }
4458 }
4459 }
4460
4461 int
4462 qla82xx_beacon_on(struct scsi_qla_host *vha)
4463 {
4464
4465 int rval;
4466 struct qla_hw_data *ha = vha->hw;
4467 qla82xx_idc_lock(ha);
4468 rval = qla82xx_mbx_beacon_ctl(vha, 1);
4469
4470 if (rval) {
4471 ql_log(ql_log_warn, vha, 0xb050,
4472 "mbx set led config failed in %s\n", __func__);
4473 goto exit;
4474 }
4475 ha->beacon_blink_led = 1;
4476 exit:
4477 qla82xx_idc_unlock(ha);
4478 return rval;
4479 }
4480
4481 int
4482 qla82xx_beacon_off(struct scsi_qla_host *vha)
4483 {
4484
4485 int rval;
4486 struct qla_hw_data *ha = vha->hw;
4487 qla82xx_idc_lock(ha);
4488 rval = qla82xx_mbx_beacon_ctl(vha, 0);
4489
4490 if (rval) {
4491 ql_log(ql_log_warn, vha, 0xb051,
4492 "mbx set led config failed in %s\n", __func__);
4493 goto exit;
4494 }
4495 ha->beacon_blink_led = 0;
4496 exit:
4497 qla82xx_idc_unlock(ha);
4498 return rval;
4499 }
4500
4501 void
4502 qla82xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
4503 {
4504 struct qla_hw_data *ha = vha->hw;
4505
4506 if (!ha->allow_cna_fw_dump)
4507 return;
4508
4509 scsi_block_requests(vha->host);
4510 ha->flags.isp82xx_no_md_cap = 1;
4511 qla82xx_idc_lock(ha);
4512 qla82xx_set_reset_owner(vha);
4513 qla82xx_idc_unlock(ha);
4514 qla2x00_wait_for_chip_reset(vha);
4515 scsi_unblock_requests(vha->host);
4516 }
Linux with added FPC-III support