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interconnect: qcom: Fix Kconfig indentation
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_nx.c
blob2b2028f2383e60c9cc6cf0aadad3551e294de43a
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/io-64-nonatomic-lo-hi.h>
10 #include <linux/pci.h>
11 #include <linux/ratelimit.h>
12 #include <linux/vmalloc.h>
13 #include <scsi/scsi_tcq.h>
14
15 #define MASK(n) ((1ULL<<(n))-1)
16 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
17 ((addr >> 25) & 0x3ff))
18 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \
19 ((addr >> 25) & 0x3ff))
20 #define MS_WIN(addr) (addr & 0x0ffc0000)
21 #define QLA82XX_PCI_MN_2M (0)
22 #define QLA82XX_PCI_MS_2M (0x80000)
23 #define QLA82XX_PCI_OCM0_2M (0xc0000)
24 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
25 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
26 #define BLOCK_PROTECT_BITS 0x0F
27
28 /* CRB window related */
29 #define CRB_BLK(off) ((off >> 20) & 0x3f)
30 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
31 #define CRB_WINDOW_2M (0x130060)
32 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
33 #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
34 ((off) & 0xf0000))
35 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
36 #define CRB_INDIRECT_2M (0x1e0000UL)
37
38 #define MAX_CRB_XFORM 60
39 static unsigned long crb_addr_xform[MAX_CRB_XFORM];
40 static int qla82xx_crb_table_initialized;
41
42 #define qla82xx_crb_addr_transform(name) \
43 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
44 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
45
46 const int MD_MIU_TEST_AGT_RDDATA[] = {
47 0x410000A8, 0x410000AC,
48 0x410000B8, 0x410000BC
49 };
50
51 static void qla82xx_crb_addr_transform_setup(void)
52 {
53 qla82xx_crb_addr_transform(XDMA);
54 qla82xx_crb_addr_transform(TIMR);
55 qla82xx_crb_addr_transform(SRE);
56 qla82xx_crb_addr_transform(SQN3);
57 qla82xx_crb_addr_transform(SQN2);
58 qla82xx_crb_addr_transform(SQN1);
59 qla82xx_crb_addr_transform(SQN0);
60 qla82xx_crb_addr_transform(SQS3);
61 qla82xx_crb_addr_transform(SQS2);
62 qla82xx_crb_addr_transform(SQS1);
63 qla82xx_crb_addr_transform(SQS0);
64 qla82xx_crb_addr_transform(RPMX7);
65 qla82xx_crb_addr_transform(RPMX6);
66 qla82xx_crb_addr_transform(RPMX5);
67 qla82xx_crb_addr_transform(RPMX4);
68 qla82xx_crb_addr_transform(RPMX3);
69 qla82xx_crb_addr_transform(RPMX2);
70 qla82xx_crb_addr_transform(RPMX1);
71 qla82xx_crb_addr_transform(RPMX0);
72 qla82xx_crb_addr_transform(ROMUSB);
73 qla82xx_crb_addr_transform(SN);
74 qla82xx_crb_addr_transform(QMN);
75 qla82xx_crb_addr_transform(QMS);
76 qla82xx_crb_addr_transform(PGNI);
77 qla82xx_crb_addr_transform(PGND);
78 qla82xx_crb_addr_transform(PGN3);
79 qla82xx_crb_addr_transform(PGN2);
80 qla82xx_crb_addr_transform(PGN1);
81 qla82xx_crb_addr_transform(PGN0);
82 qla82xx_crb_addr_transform(PGSI);
83 qla82xx_crb_addr_transform(PGSD);
84 qla82xx_crb_addr_transform(PGS3);
85 qla82xx_crb_addr_transform(PGS2);
86 qla82xx_crb_addr_transform(PGS1);
87 qla82xx_crb_addr_transform(PGS0);
88 qla82xx_crb_addr_transform(PS);
89 qla82xx_crb_addr_transform(PH);
90 qla82xx_crb_addr_transform(NIU);
91 qla82xx_crb_addr_transform(I2Q);
92 qla82xx_crb_addr_transform(EG);
93 qla82xx_crb_addr_transform(MN);
94 qla82xx_crb_addr_transform(MS);
95 qla82xx_crb_addr_transform(CAS2);
96 qla82xx_crb_addr_transform(CAS1);
97 qla82xx_crb_addr_transform(CAS0);
98 qla82xx_crb_addr_transform(CAM);
99 qla82xx_crb_addr_transform(C2C1);
100 qla82xx_crb_addr_transform(C2C0);
101 qla82xx_crb_addr_transform(SMB);
102 qla82xx_crb_addr_transform(OCM0);
103 /*
104 * Used only in P3 just define it for P2 also.
105 */
106 qla82xx_crb_addr_transform(I2C0);
107
108 qla82xx_crb_table_initialized = 1;
109 }
110
111 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
112 {{{0, 0, 0, 0} } },
113 {{{1, 0x0100000, 0x0102000, 0x120000},
114 {1, 0x0110000, 0x0120000, 0x130000},
115 {1, 0x0120000, 0x0122000, 0x124000},
116 {1, 0x0130000, 0x0132000, 0x126000},
117 {1, 0x0140000, 0x0142000, 0x128000},
118 {1, 0x0150000, 0x0152000, 0x12a000},
119 {1, 0x0160000, 0x0170000, 0x110000},
120 {1, 0x0170000, 0x0172000, 0x12e000},
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 {0, 0x0000000, 0x0000000, 0x000000},
127 {1, 0x01e0000, 0x01e0800, 0x122000},
128 {0, 0x0000000, 0x0000000, 0x000000} } } ,
129 {{{1, 0x0200000, 0x0210000, 0x180000} } },
130 {{{0, 0, 0, 0} } },
131 {{{1, 0x0400000, 0x0401000, 0x169000} } },
132 {{{1, 0x0500000, 0x0510000, 0x140000} } },
133 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
134 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
135 {{{1, 0x0800000, 0x0802000, 0x170000},
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 {0, 0x0000000, 0x0000000, 0x000000},
150 {1, 0x08f0000, 0x08f2000, 0x172000} } },
151 {{{1, 0x0900000, 0x0902000, 0x174000},
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 {0, 0x0000000, 0x0000000, 0x000000},
166 {1, 0x09f0000, 0x09f2000, 0x176000} } },
167 {{{0, 0x0a00000, 0x0a02000, 0x178000},
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 {0, 0x0000000, 0x0000000, 0x000000},
182 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
183 {{{0, 0x0b00000, 0x0b02000, 0x17c000},
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 {0, 0x0000000, 0x0000000, 0x000000},
198 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
199 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
200 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
201 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
202 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
203 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
204 {{{1, 0x1100000, 0x1101000, 0x160000} } },
205 {{{1, 0x1200000, 0x1201000, 0x161000} } },
206 {{{1, 0x1300000, 0x1301000, 0x162000} } },
207 {{{1, 0x1400000, 0x1401000, 0x163000} } },
208 {{{1, 0x1500000, 0x1501000, 0x165000} } },
209 {{{1, 0x1600000, 0x1601000, 0x166000} } },
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 {{{0, 0, 0, 0} } },
216 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
217 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
218 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
219 {{{0} } },
220 {{{1, 0x2100000, 0x2102000, 0x120000},
221 {1, 0x2110000, 0x2120000, 0x130000},
222 {1, 0x2120000, 0x2122000, 0x124000},
223 {1, 0x2130000, 0x2132000, 0x126000},
224 {1, 0x2140000, 0x2142000, 0x128000},
225 {1, 0x2150000, 0x2152000, 0x12a000},
226 {1, 0x2160000, 0x2170000, 0x110000},
227 {1, 0x2170000, 0x2172000, 0x12e000},
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 {0, 0x0000000, 0x0000000, 0x000000} } },
236 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
237 {{{0} } },
238 {{{0} } },
239 {{{0} } },
240 {{{0} } },
241 {{{0} } },
242 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
243 {{{1, 0x2900000, 0x2901000, 0x16b000} } },
244 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
245 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
246 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
247 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
248 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
249 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
250 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
251 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
252 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
253 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
254 {{{0} } },
255 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
256 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
257 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
258 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
259 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
260 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
261 {{{0} } },
262 {{{0} } },
263 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
264 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
265 {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
266 };
267
268 /*
269 * top 12 bits of crb internal address (hub, agent)
270 */
271 static unsigned qla82xx_crb_hub_agt[64] = {
272 0,
273 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
275 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
276 0,
277 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
296 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
298 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
299 0,
300 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
301 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
302 0,
303 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
304 0,
305 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
306 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
307 0,
308 0,
309 0,
310 0,
311 0,
312 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
313 0,
314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
318 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
321 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
323 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
324 0,
325 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
326 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
327 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
328 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
329 0,
330 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
331 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
332 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
333 0,
334 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
335 0,
336 };
337
338 /* Device states */
339 static char *q_dev_state[] = {
340 "Unknown",
341 "Cold",
342 "Initializing",
343 "Ready",
344 "Need Reset",
345 "Need Quiescent",
346 "Failed",
347 "Quiescent",
348 };
349
350 char *qdev_state(uint32_t dev_state)
351 {
352 return q_dev_state[dev_state];
353 }
354
355 /*
356 * In: 'off_in' is offset from CRB space in 128M pci map
357 * Out: 'off_out' is 2M pci map addr
358 * side effect: lock crb window
359 */
360 static void
361 qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong off_in,
362 void __iomem **off_out)
363 {
364 u32 win_read;
365 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
366
367 ha->crb_win = CRB_HI(off_in);
368 writel(ha->crb_win, CRB_WINDOW_2M + ha->nx_pcibase);
369
370 /* Read back value to make sure write has gone through before trying
371 * to use it.
372 */
373 win_read = RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
374 if (win_read != ha->crb_win) {
375 ql_dbg(ql_dbg_p3p, vha, 0xb000,
376 "%s: Written crbwin (0x%x) "
377 "!= Read crbwin (0x%x), off=0x%lx.\n",
378 __func__, ha->crb_win, win_read, off_in);
379 }
380 *off_out = (off_in & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
381 }
382
383 static inline unsigned long
384 qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
385 {
386 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
387 /* See if we are currently pointing to the region we want to use next */
388 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
389 /* No need to change window. PCIX and PCIEregs are in both
390 * regs are in both windows.
391 */
392 return off;
393 }
394
395 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
396 /* We are in first CRB window */
397 if (ha->curr_window != 0)
398 WARN_ON(1);
399 return off;
400 }
401
402 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
403 /* We are in second CRB window */
404 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
405
406 if (ha->curr_window != 1)
407 return off;
408
409 /* We are in the QM or direct access
410 * register region - do nothing
411 */
412 if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
413 (off < QLA82XX_PCI_CAMQM_MAX))
414 return off;
415 }
416 /* strange address given */
417 ql_dbg(ql_dbg_p3p, vha, 0xb001,
418 "%s: Warning: unm_nic_pci_set_crbwindow "
419 "called with an unknown address(%llx).\n",
420 QLA2XXX_DRIVER_NAME, off);
421 return off;
422 }
423
424 static int
425 qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in,
426 void __iomem **off_out)
427 {
428 struct crb_128M_2M_sub_block_map *m;
429
430 if (off_in >= QLA82XX_CRB_MAX)
431 return -1;
432
433 if (off_in >= QLA82XX_PCI_CAMQM && off_in < QLA82XX_PCI_CAMQM_2M_END) {
434 *off_out = (off_in - QLA82XX_PCI_CAMQM) +
435 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
436 return 0;
437 }
438
439 if (off_in < QLA82XX_PCI_CRBSPACE)
440 return -1;
441
442 off_in -= QLA82XX_PCI_CRBSPACE;
443
444 /* Try direct map */
445 m = &crb_128M_2M_map[CRB_BLK(off_in)].sub_block[CRB_SUBBLK(off_in)];
446
447 if (m->valid && (m->start_128M <= off_in) && (m->end_128M > off_in)) {
448 *off_out = off_in + m->start_2M - m->start_128M + ha->nx_pcibase;
449 return 0;
450 }
451 /* Not in direct map, use crb window */
452 *off_out = (void __iomem *)off_in;
453 return 1;
454 }
455
456 #define CRB_WIN_LOCK_TIMEOUT 100000000
457 static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
458 {
459 int done = 0, timeout = 0;
460
461 while (!done) {
462 /* acquire semaphore3 from PCI HW block */
463 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
464 if (done == 1)
465 break;
466 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
467 return -1;
468 timeout++;
469 }
470 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
471 return 0;
472 }
473
474 int
475 qla82xx_wr_32(struct qla_hw_data *ha, ulong off_in, u32 data)
476 {
477 void __iomem *off;
478 unsigned long flags = 0;
479 int rv;
480
481 rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
482
483 BUG_ON(rv == -1);
484
485 if (rv == 1) {
486 #ifndef __CHECKER__
487 write_lock_irqsave(&ha->hw_lock, flags);
488 #endif
489 qla82xx_crb_win_lock(ha);
490 qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
491 }
492
493 writel(data, (void __iomem *)off);
494
495 if (rv == 1) {
496 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
497 #ifndef __CHECKER__
498 write_unlock_irqrestore(&ha->hw_lock, flags);
499 #endif
500 }
501 return 0;
502 }
503
504 int
505 qla82xx_rd_32(struct qla_hw_data *ha, ulong off_in)
506 {
507 void __iomem *off;
508 unsigned long flags = 0;
509 int rv;
510 u32 data;
511
512 rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
513
514 BUG_ON(rv == -1);
515
516 if (rv == 1) {
517 #ifndef __CHECKER__
518 write_lock_irqsave(&ha->hw_lock, flags);
519 #endif
520 qla82xx_crb_win_lock(ha);
521 qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
522 }
523 data = RD_REG_DWORD(off);
524
525 if (rv == 1) {
526 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
527 #ifndef __CHECKER__
528 write_unlock_irqrestore(&ha->hw_lock, flags);
529 #endif
530 }
531 return data;
532 }
533
534 #define IDC_LOCK_TIMEOUT 100000000
535 int qla82xx_idc_lock(struct qla_hw_data *ha)
536 {
537 int i;
538 int done = 0, timeout = 0;
539
540 while (!done) {
541 /* acquire semaphore5 from PCI HW block */
542 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
543 if (done == 1)
544 break;
545 if (timeout >= IDC_LOCK_TIMEOUT)
546 return -1;
547
548 timeout++;
549
550 /* Yield CPU */
551 if (!in_interrupt())
552 schedule();
553 else {
554 for (i = 0; i < 20; i++)
555 cpu_relax();
556 }
557 }
558
559 return 0;
560 }
561
562 void qla82xx_idc_unlock(struct qla_hw_data *ha)
563 {
564 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
565 }
566
567 /*
568 * check memory access boundary.
569 * used by test agent. support ddr access only for now
570 */
571 static unsigned long
572 qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
573 unsigned long long addr, int size)
574 {
575 if (!addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
576 QLA82XX_ADDR_DDR_NET_MAX) ||
577 !addr_in_range(addr + size - 1, QLA82XX_ADDR_DDR_NET,
578 QLA82XX_ADDR_DDR_NET_MAX) ||
579 ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
580 return 0;
581 else
582 return 1;
583 }
584
585 static int qla82xx_pci_set_window_warning_count;
586
587 static unsigned long
588 qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
589 {
590 int window;
591 u32 win_read;
592 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
593
594 if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
595 QLA82XX_ADDR_DDR_NET_MAX)) {
596 /* DDR network side */
597 window = MN_WIN(addr);
598 ha->ddr_mn_window = window;
599 qla82xx_wr_32(ha,
600 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
601 win_read = qla82xx_rd_32(ha,
602 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
603 if ((win_read << 17) != window) {
604 ql_dbg(ql_dbg_p3p, vha, 0xb003,
605 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
606 __func__, window, win_read);
607 }
608 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
609 } else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
610 QLA82XX_ADDR_OCM0_MAX)) {
611 unsigned int temp1;
612
613 if ((addr & 0x00ff800) == 0xff800) {
614 ql_log(ql_log_warn, vha, 0xb004,
615 "%s: QM access not handled.\n", __func__);
616 addr = -1UL;
617 }
618 window = OCM_WIN(addr);
619 ha->ddr_mn_window = window;
620 qla82xx_wr_32(ha,
621 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
622 win_read = qla82xx_rd_32(ha,
623 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
624 temp1 = ((window & 0x1FF) << 7) |
625 ((window & 0x0FFFE0000) >> 17);
626 if (win_read != temp1) {
627 ql_log(ql_log_warn, vha, 0xb005,
628 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
629 __func__, temp1, win_read);
630 }
631 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
632
633 } else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET,
634 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
635 /* QDR network side */
636 window = MS_WIN(addr);
637 ha->qdr_sn_window = window;
638 qla82xx_wr_32(ha,
639 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
640 win_read = qla82xx_rd_32(ha,
641 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
642 if (win_read != window) {
643 ql_log(ql_log_warn, vha, 0xb006,
644 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
645 __func__, window, win_read);
646 }
647 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
648 } else {
649 /*
650 * peg gdb frequently accesses memory that doesn't exist,
651 * this limits the chit chat so debugging isn't slowed down.
652 */
653 if ((qla82xx_pci_set_window_warning_count++ < 8) ||
654 (qla82xx_pci_set_window_warning_count%64 == 0)) {
655 ql_log(ql_log_warn, vha, 0xb007,
656 "%s: Warning:%s Unknown address range!.\n",
657 __func__, QLA2XXX_DRIVER_NAME);
658 }
659 addr = -1UL;
660 }
661 return addr;
662 }
663
664 /* check if address is in the same windows as the previous access */
665 static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
666 unsigned long long addr)
667 {
668 int window;
669 unsigned long long qdr_max;
670
671 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
672
673 /* DDR network side */
674 if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
675 QLA82XX_ADDR_DDR_NET_MAX))
676 BUG();
677 else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
678 QLA82XX_ADDR_OCM0_MAX))
679 return 1;
680 else if (addr_in_range(addr, QLA82XX_ADDR_OCM1,
681 QLA82XX_ADDR_OCM1_MAX))
682 return 1;
683 else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
684 /* QDR network side */
685 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
686 if (ha->qdr_sn_window == window)
687 return 1;
688 }
689 return 0;
690 }
691
692 static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
693 u64 off, void *data, int size)
694 {
695 unsigned long flags;
696 void __iomem *addr = NULL;
697 int ret = 0;
698 u64 start;
699 uint8_t __iomem *mem_ptr = NULL;
700 unsigned long mem_base;
701 unsigned long mem_page;
702 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
703
704 write_lock_irqsave(&ha->hw_lock, flags);
705
706 /*
707 * If attempting to access unknown address or straddle hw windows,
708 * do not access.
709 */
710 start = qla82xx_pci_set_window(ha, off);
711 if ((start == -1UL) ||
712 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
713 write_unlock_irqrestore(&ha->hw_lock, flags);
714 ql_log(ql_log_fatal, vha, 0xb008,
715 "%s out of bound pci memory "
716 "access, offset is 0x%llx.\n",
717 QLA2XXX_DRIVER_NAME, off);
718 return -1;
719 }
720
721 write_unlock_irqrestore(&ha->hw_lock, flags);
722 mem_base = pci_resource_start(ha->pdev, 0);
723 mem_page = start & PAGE_MASK;
724 /* Map two pages whenever user tries to access addresses in two
725 * consecutive pages.
726 */
727 if (mem_page != ((start + size - 1) & PAGE_MASK))
728 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
729 else
730 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
731 if (mem_ptr == NULL) {
732 *(u8 *)data = 0;
733 return -1;
734 }
735 addr = mem_ptr;
736 addr += start & (PAGE_SIZE - 1);
737 write_lock_irqsave(&ha->hw_lock, flags);
738
739 switch (size) {
740 case 1:
741 *(u8 *)data = readb(addr);
742 break;
743 case 2:
744 *(u16 *)data = readw(addr);
745 break;
746 case 4:
747 *(u32 *)data = readl(addr);
748 break;
749 case 8:
750 *(u64 *)data = readq(addr);
751 break;
752 default:
753 ret = -1;
754 break;
755 }
756 write_unlock_irqrestore(&ha->hw_lock, flags);
757
758 if (mem_ptr)
759 iounmap(mem_ptr);
760 return ret;
761 }
762
763 static int
764 qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
765 u64 off, void *data, int size)
766 {
767 unsigned long flags;
768 void __iomem *addr = NULL;
769 int ret = 0;
770 u64 start;
771 uint8_t __iomem *mem_ptr = NULL;
772 unsigned long mem_base;
773 unsigned long mem_page;
774 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
775
776 write_lock_irqsave(&ha->hw_lock, flags);
777
778 /*
779 * If attempting to access unknown address or straddle hw windows,
780 * do not access.
781 */
782 start = qla82xx_pci_set_window(ha, off);
783 if ((start == -1UL) ||
784 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
785 write_unlock_irqrestore(&ha->hw_lock, flags);
786 ql_log(ql_log_fatal, vha, 0xb009,
787 "%s out of bound memory "
788 "access, offset is 0x%llx.\n",
789 QLA2XXX_DRIVER_NAME, off);
790 return -1;
791 }
792
793 write_unlock_irqrestore(&ha->hw_lock, flags);
794 mem_base = pci_resource_start(ha->pdev, 0);
795 mem_page = start & PAGE_MASK;
796 /* Map two pages whenever user tries to access addresses in two
797 * consecutive pages.
798 */
799 if (mem_page != ((start + size - 1) & PAGE_MASK))
800 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
801 else
802 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
803 if (mem_ptr == NULL)
804 return -1;
805
806 addr = mem_ptr;
807 addr += start & (PAGE_SIZE - 1);
808 write_lock_irqsave(&ha->hw_lock, flags);
809
810 switch (size) {
811 case 1:
812 writeb(*(u8 *)data, addr);
813 break;
814 case 2:
815 writew(*(u16 *)data, addr);
816 break;
817 case 4:
818 writel(*(u32 *)data, addr);
819 break;
820 case 8:
821 writeq(*(u64 *)data, addr);
822 break;
823 default:
824 ret = -1;
825 break;
826 }
827 write_unlock_irqrestore(&ha->hw_lock, flags);
828 if (mem_ptr)
829 iounmap(mem_ptr);
830 return ret;
831 }
832
833 #define MTU_FUDGE_FACTOR 100
834 static unsigned long
835 qla82xx_decode_crb_addr(unsigned long addr)
836 {
837 int i;
838 unsigned long base_addr, offset, pci_base;
839
840 if (!qla82xx_crb_table_initialized)
841 qla82xx_crb_addr_transform_setup();
842
843 pci_base = ADDR_ERROR;
844 base_addr = addr & 0xfff00000;
845 offset = addr & 0x000fffff;
846
847 for (i = 0; i < MAX_CRB_XFORM; i++) {
848 if (crb_addr_xform[i] == base_addr) {
849 pci_base = i << 20;
850 break;
851 }
852 }
853 if (pci_base == ADDR_ERROR)
854 return pci_base;
855 return pci_base + offset;
856 }
857
858 static long rom_max_timeout = 100;
859 static long qla82xx_rom_lock_timeout = 100;
860
861 static int
862 qla82xx_rom_lock(struct qla_hw_data *ha)
863 {
864 int done = 0, timeout = 0;
865 uint32_t lock_owner = 0;
866 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
867
868 while (!done) {
869 /* acquire semaphore2 from PCI HW block */
870 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
871 if (done == 1)
872 break;
873 if (timeout >= qla82xx_rom_lock_timeout) {
874 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
875 ql_dbg(ql_dbg_p3p, vha, 0xb157,
876 "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d",
877 __func__, ha->portnum, lock_owner);
878 return -1;
879 }
880 timeout++;
881 }
882 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum);
883 return 0;
884 }
885
886 static void
887 qla82xx_rom_unlock(struct qla_hw_data *ha)
888 {
889 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff);
890 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
891 }
892
893 static int
894 qla82xx_wait_rom_busy(struct qla_hw_data *ha)
895 {
896 long timeout = 0;
897 long done = 0 ;
898 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
899
900 while (done == 0) {
901 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
902 done &= 4;
903 timeout++;
904 if (timeout >= rom_max_timeout) {
905 ql_dbg(ql_dbg_p3p, vha, 0xb00a,
906 "%s: Timeout reached waiting for rom busy.\n",
907 QLA2XXX_DRIVER_NAME);
908 return -1;
909 }
910 }
911 return 0;
912 }
913
914 static int
915 qla82xx_wait_rom_done(struct qla_hw_data *ha)
916 {
917 long timeout = 0;
918 long done = 0 ;
919 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
920
921 while (done == 0) {
922 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
923 done &= 2;
924 timeout++;
925 if (timeout >= rom_max_timeout) {
926 ql_dbg(ql_dbg_p3p, vha, 0xb00b,
927 "%s: Timeout reached waiting for rom done.\n",
928 QLA2XXX_DRIVER_NAME);
929 return -1;
930 }
931 }
932 return 0;
933 }
934
935 static int
936 qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
937 {
938 uint32_t off_value, rval = 0;
939
940 WRT_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase, off & 0xFFFF0000);
941
942 /* Read back value to make sure write has gone through */
943 RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
944 off_value = (off & 0x0000FFFF);
945
946 if (flag)
947 WRT_REG_DWORD(off_value + CRB_INDIRECT_2M + ha->nx_pcibase,
948 data);
949 else
950 rval = RD_REG_DWORD(off_value + CRB_INDIRECT_2M +
951 ha->nx_pcibase);
952
953 return rval;
954 }
955
956 static int
957 qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
958 {
959 /* Dword reads to flash. */
960 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1);
961 *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE +
962 (addr & 0x0000FFFF), 0, 0);
963
964 return 0;
965 }
966
967 static int
968 qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
969 {
970 int ret, loops = 0;
971 uint32_t lock_owner = 0;
972 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
973
974 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
975 udelay(100);
976 schedule();
977 loops++;
978 }
979 if (loops >= 50000) {
980 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
981 ql_log(ql_log_fatal, vha, 0x00b9,
982 "Failed to acquire SEM2 lock, Lock Owner %u.\n",
983 lock_owner);
984 return -1;
985 }
986 ret = qla82xx_do_rom_fast_read(ha, addr, valp);
987 qla82xx_rom_unlock(ha);
988 return ret;
989 }
990
991 static int
992 qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
993 {
994 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
995
996 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
997 qla82xx_wait_rom_busy(ha);
998 if (qla82xx_wait_rom_done(ha)) {
999 ql_log(ql_log_warn, vha, 0xb00c,
1000 "Error waiting for rom done.\n");
1001 return -1;
1002 }
1003 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
1004 return 0;
1005 }
1006
1007 static int
1008 qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
1009 {
1010 long timeout = 0;
1011 uint32_t done = 1 ;
1012 uint32_t val;
1013 int ret = 0;
1014 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1015
1016 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1017 while ((done != 0) && (ret == 0)) {
1018 ret = qla82xx_read_status_reg(ha, &val);
1019 done = val & 1;
1020 timeout++;
1021 udelay(10);
1022 cond_resched();
1023 if (timeout >= 50000) {
1024 ql_log(ql_log_warn, vha, 0xb00d,
1025 "Timeout reached waiting for write finish.\n");
1026 return -1;
1027 }
1028 }
1029 return ret;
1030 }
1031
1032 static int
1033 qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
1034 {
1035 uint32_t val;
1036
1037 qla82xx_wait_rom_busy(ha);
1038 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1039 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
1040 qla82xx_wait_rom_busy(ha);
1041 if (qla82xx_wait_rom_done(ha))
1042 return -1;
1043 if (qla82xx_read_status_reg(ha, &val) != 0)
1044 return -1;
1045 if ((val & 2) != 2)
1046 return -1;
1047 return 0;
1048 }
1049
1050 static int
1051 qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1052 {
1053 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1054
1055 if (qla82xx_flash_set_write_enable(ha))
1056 return -1;
1057 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1058 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1059 if (qla82xx_wait_rom_done(ha)) {
1060 ql_log(ql_log_warn, vha, 0xb00e,
1061 "Error waiting for rom done.\n");
1062 return -1;
1063 }
1064 return qla82xx_flash_wait_write_finish(ha);
1065 }
1066
1067 static int
1068 qla82xx_write_disable_flash(struct qla_hw_data *ha)
1069 {
1070 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1071
1072 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1073 if (qla82xx_wait_rom_done(ha)) {
1074 ql_log(ql_log_warn, vha, 0xb00f,
1075 "Error waiting for rom done.\n");
1076 return -1;
1077 }
1078 return 0;
1079 }
1080
1081 static int
1082 ql82xx_rom_lock_d(struct qla_hw_data *ha)
1083 {
1084 int loops = 0;
1085 uint32_t lock_owner = 0;
1086 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1087
1088 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1089 udelay(100);
1090 cond_resched();
1091 loops++;
1092 }
1093 if (loops >= 50000) {
1094 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
1095 ql_log(ql_log_warn, vha, 0xb010,
1096 "ROM lock failed, Lock Owner %u.\n", lock_owner);
1097 return -1;
1098 }
1099 return 0;
1100 }
1101
1102 static int
1103 qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1104 uint32_t data)
1105 {
1106 int ret = 0;
1107 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1108
1109 ret = ql82xx_rom_lock_d(ha);
1110 if (ret < 0) {
1111 ql_log(ql_log_warn, vha, 0xb011,
1112 "ROM lock failed.\n");
1113 return ret;
1114 }
1115
1116 if (qla82xx_flash_set_write_enable(ha))
1117 goto done_write;
1118
1119 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1120 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1121 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1122 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1123 qla82xx_wait_rom_busy(ha);
1124 if (qla82xx_wait_rom_done(ha)) {
1125 ql_log(ql_log_warn, vha, 0xb012,
1126 "Error waiting for rom done.\n");
1127 ret = -1;
1128 goto done_write;
1129 }
1130
1131 ret = qla82xx_flash_wait_write_finish(ha);
1132
1133 done_write:
1134 qla82xx_rom_unlock(ha);
1135 return ret;
1136 }
1137
1138 /* This routine does CRB initialize sequence
1139 * to put the ISP into operational state
1140 */
1141 static int
1142 qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
1143 {
1144 int addr, val;
1145 int i ;
1146 struct crb_addr_pair *buf;
1147 unsigned long off;
1148 unsigned offset, n;
1149 struct qla_hw_data *ha = vha->hw;
1150
1151 struct crb_addr_pair {
1152 long addr;
1153 long data;
1154 };
1155
1156 /* Halt all the individual PEGs and other blocks of the ISP */
1157 qla82xx_rom_lock(ha);
1158
1159 /* disable all I2Q */
1160 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1161 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1162 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1163 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1164 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1165 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1166
1167 /* disable all niu interrupts */
1168 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1169 /* disable xge rx/tx */
1170 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1171 /* disable xg1 rx/tx */
1172 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1173 /* disable sideband mac */
1174 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1175 /* disable ap0 mac */
1176 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1177 /* disable ap1 mac */
1178 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1179
1180 /* halt sre */
1181 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1182 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1183
1184 /* halt epg */
1185 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1186
1187 /* halt timers */
1188 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1189 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1190 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1191 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1192 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1193 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1194
1195 /* halt pegs */
1196 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1197 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1198 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1199 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1200 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1201 msleep(20);
1202
1203 /* big hammer */
1204 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1205 /* don't reset CAM block on reset */
1206 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1207 else
1208 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1209 qla82xx_rom_unlock(ha);
1210
1211 /* Read the signature value from the flash.
1212 * Offset 0: Contain signature (0xcafecafe)
1213 * Offset 4: Offset and number of addr/value pairs
1214 * that present in CRB initialize sequence
1215 */
1216 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1217 qla82xx_rom_fast_read(ha, 4, &n) != 0) {
1218 ql_log(ql_log_fatal, vha, 0x006e,
1219 "Error Reading crb_init area: n: %08x.\n", n);
1220 return -1;
1221 }
1222
1223 /* Offset in flash = lower 16 bits
1224 * Number of entries = upper 16 bits
1225 */
1226 offset = n & 0xffffU;
1227 n = (n >> 16) & 0xffffU;
1228
1229 /* number of addr/value pair should not exceed 1024 entries */
1230 if (n >= 1024) {
1231 ql_log(ql_log_fatal, vha, 0x0071,
1232 "Card flash not initialized:n=0x%x.\n", n);
1233 return -1;
1234 }
1235
1236 ql_log(ql_log_info, vha, 0x0072,
1237 "%d CRB init values found in ROM.\n", n);
1238
1239 buf = kmalloc_array(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
1240 if (buf == NULL) {
1241 ql_log(ql_log_fatal, vha, 0x010c,
1242 "Unable to allocate memory.\n");
1243 return -ENOMEM;
1244 }
1245
1246 for (i = 0; i < n; i++) {
1247 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1248 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1249 kfree(buf);
1250 return -1;
1251 }
1252
1253 buf[i].addr = addr;
1254 buf[i].data = val;
1255 }
1256
1257 for (i = 0; i < n; i++) {
1258 /* Translate internal CRB initialization
1259 * address to PCI bus address
1260 */
1261 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1262 QLA82XX_PCI_CRBSPACE;
1263 /* Not all CRB addr/value pair to be written,
1264 * some of them are skipped
1265 */
1266
1267 /* skipping cold reboot MAGIC */
1268 if (off == QLA82XX_CAM_RAM(0x1fc))
1269 continue;
1270
1271 /* do not reset PCI */
1272 if (off == (ROMUSB_GLB + 0xbc))
1273 continue;
1274
1275 /* skip core clock, so that firmware can increase the clock */
1276 if (off == (ROMUSB_GLB + 0xc8))
1277 continue;
1278
1279 /* skip the function enable register */
1280 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1281 continue;
1282
1283 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1284 continue;
1285
1286 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1287 continue;
1288
1289 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1290 continue;
1291
1292 if (off == ADDR_ERROR) {
1293 ql_log(ql_log_fatal, vha, 0x0116,
1294 "Unknown addr: 0x%08lx.\n", buf[i].addr);
1295 continue;
1296 }
1297
1298 qla82xx_wr_32(ha, off, buf[i].data);
1299
1300 /* ISP requires much bigger delay to settle down,
1301 * else crb_window returns 0xffffffff
1302 */
1303 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1304 msleep(1000);
1305
1306 /* ISP requires millisec delay between
1307 * successive CRB register updation
1308 */
1309 msleep(1);
1310 }
1311
1312 kfree(buf);
1313
1314 /* Resetting the data and instruction cache */
1315 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1316 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1317 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1318
1319 /* Clear all protocol processing engines */
1320 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1321 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1322 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1323 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1324 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1325 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1326 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1327 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1328 return 0;
1329 }
1330
1331 static int
1332 qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1333 u64 off, void *data, int size)
1334 {
1335 int i, j, ret = 0, loop, sz[2], off0;
1336 int scale, shift_amount, startword;
1337 uint32_t temp;
1338 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1339
1340 /*
1341 * If not MN, go check for MS or invalid.
1342 */
1343 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1344 mem_crb = QLA82XX_CRB_QDR_NET;
1345 else {
1346 mem_crb = QLA82XX_CRB_DDR_NET;
1347 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1348 return qla82xx_pci_mem_write_direct(ha,
1349 off, data, size);
1350 }
1351
1352 off0 = off & 0x7;
1353 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1354 sz[1] = size - sz[0];
1355
1356 off8 = off & 0xfffffff0;
1357 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1358 shift_amount = 4;
1359 scale = 2;
1360 startword = (off & 0xf)/8;
1361
1362 for (i = 0; i < loop; i++) {
1363 if (qla82xx_pci_mem_read_2M(ha, off8 +
1364 (i << shift_amount), &word[i * scale], 8))
1365 return -1;
1366 }
1367
1368 switch (size) {
1369 case 1:
1370 tmpw = *((uint8_t *)data);
1371 break;
1372 case 2:
1373 tmpw = *((uint16_t *)data);
1374 break;
1375 case 4:
1376 tmpw = *((uint32_t *)data);
1377 break;
1378 case 8:
1379 default:
1380 tmpw = *((uint64_t *)data);
1381 break;
1382 }
1383
1384 if (sz[0] == 8) {
1385 word[startword] = tmpw;
1386 } else {
1387 word[startword] &=
1388 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1389 word[startword] |= tmpw << (off0 * 8);
1390 }
1391 if (sz[1] != 0) {
1392 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1393 word[startword+1] |= tmpw >> (sz[0] * 8);
1394 }
1395
1396 for (i = 0; i < loop; i++) {
1397 temp = off8 + (i << shift_amount);
1398 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1399 temp = 0;
1400 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1401 temp = word[i * scale] & 0xffffffff;
1402 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1403 temp = (word[i * scale] >> 32) & 0xffffffff;
1404 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1405 temp = word[i*scale + 1] & 0xffffffff;
1406 qla82xx_wr_32(ha, mem_crb +
1407 MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1408 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1409 qla82xx_wr_32(ha, mem_crb +
1410 MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1411
1412 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1413 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1414 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1415 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1416
1417 for (j = 0; j < MAX_CTL_CHECK; j++) {
1418 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1419 if ((temp & MIU_TA_CTL_BUSY) == 0)
1420 break;
1421 }
1422
1423 if (j >= MAX_CTL_CHECK) {
1424 if (printk_ratelimit())
1425 dev_err(&ha->pdev->dev,
1426 "failed to write through agent.\n");
1427 ret = -1;
1428 break;
1429 }
1430 }
1431
1432 return ret;
1433 }
1434
1435 static int
1436 qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1437 {
1438 int i;
1439 long size = 0;
1440 long flashaddr = ha->flt_region_bootload << 2;
1441 long memaddr = BOOTLD_START;
1442 u64 data;
1443 u32 high, low;
1444
1445 size = (IMAGE_START - BOOTLD_START) / 8;
1446
1447 for (i = 0; i < size; i++) {
1448 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1449 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1450 return -1;
1451 }
1452 data = ((u64)high << 32) | low ;
1453 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1454 flashaddr += 8;
1455 memaddr += 8;
1456
1457 if (i % 0x1000 == 0)
1458 msleep(1);
1459 }
1460 udelay(100);
1461 read_lock(&ha->hw_lock);
1462 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1463 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1464 read_unlock(&ha->hw_lock);
1465 return 0;
1466 }
1467
1468 int
1469 qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1470 u64 off, void *data, int size)
1471 {
1472 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1473 int shift_amount;
1474 uint32_t temp;
1475 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1476
1477 /*
1478 * If not MN, go check for MS or invalid.
1479 */
1480
1481 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1482 mem_crb = QLA82XX_CRB_QDR_NET;
1483 else {
1484 mem_crb = QLA82XX_CRB_DDR_NET;
1485 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1486 return qla82xx_pci_mem_read_direct(ha,
1487 off, data, size);
1488 }
1489
1490 off8 = off & 0xfffffff0;
1491 off0[0] = off & 0xf;
1492 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1493 shift_amount = 4;
1494 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1495 off0[1] = 0;
1496 sz[1] = size - sz[0];
1497
1498 for (i = 0; i < loop; i++) {
1499 temp = off8 + (i << shift_amount);
1500 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1501 temp = 0;
1502 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1503 temp = MIU_TA_CTL_ENABLE;
1504 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1505 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1506 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1507
1508 for (j = 0; j < MAX_CTL_CHECK; j++) {
1509 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1510 if ((temp & MIU_TA_CTL_BUSY) == 0)
1511 break;
1512 }
1513
1514 if (j >= MAX_CTL_CHECK) {
1515 if (printk_ratelimit())
1516 dev_err(&ha->pdev->dev,
1517 "failed to read through agent.\n");
1518 break;
1519 }
1520
1521 start = off0[i] >> 2;
1522 end = (off0[i] + sz[i] - 1) >> 2;
1523 for (k = start; k <= end; k++) {
1524 temp = qla82xx_rd_32(ha,
1525 mem_crb + MIU_TEST_AGT_RDDATA(k));
1526 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1527 }
1528 }
1529
1530 if (j >= MAX_CTL_CHECK)
1531 return -1;
1532
1533 if ((off0[0] & 7) == 0) {
1534 val = word[0];
1535 } else {
1536 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1537 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1538 }
1539
1540 switch (size) {
1541 case 1:
1542 *(uint8_t *)data = val;
1543 break;
1544 case 2:
1545 *(uint16_t *)data = val;
1546 break;
1547 case 4:
1548 *(uint32_t *)data = val;
1549 break;
1550 case 8:
1551 *(uint64_t *)data = val;
1552 break;
1553 }
1554 return 0;
1555 }
1556
1557
1558 static struct qla82xx_uri_table_desc *
1559 qla82xx_get_table_desc(const u8 *unirom, int section)
1560 {
1561 uint32_t i;
1562 struct qla82xx_uri_table_desc *directory =
1563 (struct qla82xx_uri_table_desc *)&unirom[0];
1564 __le32 offset;
1565 __le32 tab_type;
1566 __le32 entries = cpu_to_le32(directory->num_entries);
1567
1568 for (i = 0; i < entries; i++) {
1569 offset = cpu_to_le32(directory->findex) +
1570 (i * cpu_to_le32(directory->entry_size));
1571 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1572
1573 if (tab_type == section)
1574 return (struct qla82xx_uri_table_desc *)&unirom[offset];
1575 }
1576
1577 return NULL;
1578 }
1579
1580 static struct qla82xx_uri_data_desc *
1581 qla82xx_get_data_desc(struct qla_hw_data *ha,
1582 u32 section, u32 idx_offset)
1583 {
1584 const u8 *unirom = ha->hablob->fw->data;
1585 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1586 struct qla82xx_uri_table_desc *tab_desc = NULL;
1587 __le32 offset;
1588
1589 tab_desc = qla82xx_get_table_desc(unirom, section);
1590 if (!tab_desc)
1591 return NULL;
1592
1593 offset = cpu_to_le32(tab_desc->findex) +
1594 (cpu_to_le32(tab_desc->entry_size) * idx);
1595
1596 return (struct qla82xx_uri_data_desc *)&unirom[offset];
1597 }
1598
1599 static u8 *
1600 qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1601 {
1602 u32 offset = BOOTLD_START;
1603 struct qla82xx_uri_data_desc *uri_desc = NULL;
1604
1605 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1606 uri_desc = qla82xx_get_data_desc(ha,
1607 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1608 if (uri_desc)
1609 offset = cpu_to_le32(uri_desc->findex);
1610 }
1611
1612 return (u8 *)&ha->hablob->fw->data[offset];
1613 }
1614
1615 static __le32
1616 qla82xx_get_fw_size(struct qla_hw_data *ha)
1617 {
1618 struct qla82xx_uri_data_desc *uri_desc = NULL;
1619
1620 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1621 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1622 QLA82XX_URI_FIRMWARE_IDX_OFF);
1623 if (uri_desc)
1624 return cpu_to_le32(uri_desc->size);
1625 }
1626
1627 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1628 }
1629
1630 static u8 *
1631 qla82xx_get_fw_offs(struct qla_hw_data *ha)
1632 {
1633 u32 offset = IMAGE_START;
1634 struct qla82xx_uri_data_desc *uri_desc = NULL;
1635
1636 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1637 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1638 QLA82XX_URI_FIRMWARE_IDX_OFF);
1639 if (uri_desc)
1640 offset = cpu_to_le32(uri_desc->findex);
1641 }
1642
1643 return (u8 *)&ha->hablob->fw->data[offset];
1644 }
1645
1646 /* PCI related functions */
1647 int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1648 {
1649 unsigned long val = 0;
1650 u32 control;
1651
1652 switch (region) {
1653 case 0:
1654 val = 0;
1655 break;
1656 case 1:
1657 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1658 val = control + QLA82XX_MSIX_TBL_SPACE;
1659 break;
1660 }
1661 return val;
1662 }
1663
1664
1665 int
1666 qla82xx_iospace_config(struct qla_hw_data *ha)
1667 {
1668 uint32_t len = 0;
1669
1670 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1671 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1672 "Failed to reserver selected regions.\n");
1673 goto iospace_error_exit;
1674 }
1675
1676 /* Use MMIO operations for all accesses. */
1677 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1678 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1679 "Region #0 not an MMIO resource, aborting.\n");
1680 goto iospace_error_exit;
1681 }
1682
1683 len = pci_resource_len(ha->pdev, 0);
1684 ha->nx_pcibase = ioremap(pci_resource_start(ha->pdev, 0), len);
1685 if (!ha->nx_pcibase) {
1686 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1687 "Cannot remap pcibase MMIO, aborting.\n");
1688 goto iospace_error_exit;
1689 }
1690
1691 /* Mapping of IO base pointer */
1692 if (IS_QLA8044(ha)) {
1693 ha->iobase = ha->nx_pcibase;
1694 } else if (IS_QLA82XX(ha)) {
1695 ha->iobase = ha->nx_pcibase + 0xbc000 + (ha->pdev->devfn << 11);
1696 }
1697
1698 if (!ql2xdbwr) {
1699 ha->nxdb_wr_ptr = ioremap((pci_resource_start(ha->pdev, 4) +
1700 (ha->pdev->devfn << 12)), 4);
1701 if (!ha->nxdb_wr_ptr) {
1702 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1703 "Cannot remap MMIO, aborting.\n");
1704 goto iospace_error_exit;
1705 }
1706
1707 /* Mapping of IO base pointer,
1708 * door bell read and write pointer
1709 */
1710 ha->nxdb_rd_ptr = ha->nx_pcibase + (512 * 1024) +
1711 (ha->pdev->devfn * 8);
1712 } else {
1713 ha->nxdb_wr_ptr = (void __iomem *)(ha->pdev->devfn == 6 ?
1714 QLA82XX_CAMRAM_DB1 :
1715 QLA82XX_CAMRAM_DB2);
1716 }
1717
1718 ha->max_req_queues = ha->max_rsp_queues = 1;
1719 ha->msix_count = ha->max_rsp_queues + 1;
1720 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1721 "nx_pci_base=%p iobase=%p "
1722 "max_req_queues=%d msix_count=%d.\n",
1723 ha->nx_pcibase, ha->iobase,
1724 ha->max_req_queues, ha->msix_count);
1725 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1726 "nx_pci_base=%p iobase=%p "
1727 "max_req_queues=%d msix_count=%d.\n",
1728 ha->nx_pcibase, ha->iobase,
1729 ha->max_req_queues, ha->msix_count);
1730 return 0;
1731
1732 iospace_error_exit:
1733 return -ENOMEM;
1734 }
1735
1736 /* GS related functions */
1737
1738 /* Initialization related functions */
1739
1740 /**
1741 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1742 * @vha: HA context
1743 *
1744 * Returns 0 on success.
1745 */
1746 int
1747 qla82xx_pci_config(scsi_qla_host_t *vha)
1748 {
1749 struct qla_hw_data *ha = vha->hw;
1750 int ret;
1751
1752 pci_set_master(ha->pdev);
1753 ret = pci_set_mwi(ha->pdev);
1754 ha->chip_revision = ha->pdev->revision;
1755 ql_dbg(ql_dbg_init, vha, 0x0043,
1756 "Chip revision:%d; pci_set_mwi() returned %d.\n",
1757 ha->chip_revision, ret);
1758 return 0;
1759 }
1760
1761 /**
1762 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1763 * @vha: HA context
1764 *
1765 * Returns 0 on success.
1766 */
1767 int
1768 qla82xx_reset_chip(scsi_qla_host_t *vha)
1769 {
1770 struct qla_hw_data *ha = vha->hw;
1771
1772 ha->isp_ops->disable_intrs(ha);
1773
1774 return QLA_SUCCESS;
1775 }
1776
1777 void qla82xx_config_rings(struct scsi_qla_host *vha)
1778 {
1779 struct qla_hw_data *ha = vha->hw;
1780 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1781 struct init_cb_81xx *icb;
1782 struct req_que *req = ha->req_q_map[0];
1783 struct rsp_que *rsp = ha->rsp_q_map[0];
1784
1785 /* Setup ring parameters in initialization control block. */
1786 icb = (struct init_cb_81xx *)ha->init_cb;
1787 icb->request_q_outpointer = cpu_to_le16(0);
1788 icb->response_q_inpointer = cpu_to_le16(0);
1789 icb->request_q_length = cpu_to_le16(req->length);
1790 icb->response_q_length = cpu_to_le16(rsp->length);
1791 put_unaligned_le64(req->dma, &icb->request_q_address);
1792 put_unaligned_le64(rsp->dma, &icb->response_q_address);
1793
1794 WRT_REG_DWORD(&reg->req_q_out[0], 0);
1795 WRT_REG_DWORD(&reg->rsp_q_in[0], 0);
1796 WRT_REG_DWORD(&reg->rsp_q_out[0], 0);
1797 }
1798
1799 static int
1800 qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
1801 {
1802 u64 *ptr64;
1803 u32 i, flashaddr, size;
1804 __le64 data;
1805
1806 size = (IMAGE_START - BOOTLD_START) / 8;
1807
1808 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
1809 flashaddr = BOOTLD_START;
1810
1811 for (i = 0; i < size; i++) {
1812 data = cpu_to_le64(ptr64[i]);
1813 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1814 return -EIO;
1815 flashaddr += 8;
1816 }
1817
1818 flashaddr = FLASH_ADDR_START;
1819 size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1820 ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
1821
1822 for (i = 0; i < size; i++) {
1823 data = cpu_to_le64(ptr64[i]);
1824
1825 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1826 return -EIO;
1827 flashaddr += 8;
1828 }
1829 udelay(100);
1830
1831 /* Write a magic value to CAMRAM register
1832 * at a specified offset to indicate
1833 * that all data is written and
1834 * ready for firmware to initialize.
1835 */
1836 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
1837
1838 read_lock(&ha->hw_lock);
1839 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1840 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1841 read_unlock(&ha->hw_lock);
1842 return 0;
1843 }
1844
1845 static int
1846 qla82xx_set_product_offset(struct qla_hw_data *ha)
1847 {
1848 struct qla82xx_uri_table_desc *ptab_desc = NULL;
1849 const uint8_t *unirom = ha->hablob->fw->data;
1850 uint32_t i;
1851 __le32 entries;
1852 __le32 flags, file_chiprev, offset;
1853 uint8_t chiprev = ha->chip_revision;
1854 /* Hardcoding mn_present flag for P3P */
1855 int mn_present = 0;
1856 uint32_t flagbit;
1857
1858 ptab_desc = qla82xx_get_table_desc(unirom,
1859 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1860 if (!ptab_desc)
1861 return -1;
1862
1863 entries = cpu_to_le32(ptab_desc->num_entries);
1864
1865 for (i = 0; i < entries; i++) {
1866 offset = cpu_to_le32(ptab_desc->findex) +
1867 (i * cpu_to_le32(ptab_desc->entry_size));
1868 flags = cpu_to_le32(*((int *)&unirom[offset] +
1869 QLA82XX_URI_FLAGS_OFF));
1870 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1871 QLA82XX_URI_CHIP_REV_OFF));
1872
1873 flagbit = mn_present ? 1 : 2;
1874
1875 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1876 ha->file_prd_off = offset;
1877 return 0;
1878 }
1879 }
1880 return -1;
1881 }
1882
1883 static int
1884 qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1885 {
1886 __le32 val;
1887 uint32_t min_size;
1888 struct qla_hw_data *ha = vha->hw;
1889 const struct firmware *fw = ha->hablob->fw;
1890
1891 ha->fw_type = fw_type;
1892
1893 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1894 if (qla82xx_set_product_offset(ha))
1895 return -EINVAL;
1896
1897 min_size = QLA82XX_URI_FW_MIN_SIZE;
1898 } else {
1899 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1900 if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1901 return -EINVAL;
1902
1903 min_size = QLA82XX_FW_MIN_SIZE;
1904 }
1905
1906 if (fw->size < min_size)
1907 return -EINVAL;
1908 return 0;
1909 }
1910
1911 static int
1912 qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
1913 {
1914 u32 val = 0;
1915 int retries = 60;
1916 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1917
1918 do {
1919 read_lock(&ha->hw_lock);
1920 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1921 read_unlock(&ha->hw_lock);
1922
1923 switch (val) {
1924 case PHAN_INITIALIZE_COMPLETE:
1925 case PHAN_INITIALIZE_ACK:
1926 return QLA_SUCCESS;
1927 case PHAN_INITIALIZE_FAILED:
1928 break;
1929 default:
1930 break;
1931 }
1932 ql_log(ql_log_info, vha, 0x00a8,
1933 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1934 val, retries);
1935
1936 msleep(500);
1937
1938 } while (--retries);
1939
1940 ql_log(ql_log_fatal, vha, 0x00a9,
1941 "Cmd Peg initialization failed: 0x%x.\n", val);
1942
1943 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1944 read_lock(&ha->hw_lock);
1945 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1946 read_unlock(&ha->hw_lock);
1947 return QLA_FUNCTION_FAILED;
1948 }
1949
1950 static int
1951 qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
1952 {
1953 u32 val = 0;
1954 int retries = 60;
1955 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1956
1957 do {
1958 read_lock(&ha->hw_lock);
1959 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1960 read_unlock(&ha->hw_lock);
1961
1962 switch (val) {
1963 case PHAN_INITIALIZE_COMPLETE:
1964 case PHAN_INITIALIZE_ACK:
1965 return QLA_SUCCESS;
1966 case PHAN_INITIALIZE_FAILED:
1967 break;
1968 default:
1969 break;
1970 }
1971 ql_log(ql_log_info, vha, 0x00ab,
1972 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1973 val, retries);
1974
1975 msleep(500);
1976
1977 } while (--retries);
1978
1979 ql_log(ql_log_fatal, vha, 0x00ac,
1980 "Rcv Peg initialization failed: 0x%x.\n", val);
1981 read_lock(&ha->hw_lock);
1982 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1983 read_unlock(&ha->hw_lock);
1984 return QLA_FUNCTION_FAILED;
1985 }
1986
1987 /* ISR related functions */
1988 static struct qla82xx_legacy_intr_set legacy_intr[] =
1989 QLA82XX_LEGACY_INTR_CONFIG;
1990
1991 /*
1992 * qla82xx_mbx_completion() - Process mailbox command completions.
1993 * @ha: SCSI driver HA context
1994 * @mb0: Mailbox0 register
1995 */
1996 void
1997 qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1998 {
1999 uint16_t cnt;
2000 uint16_t __iomem *wptr;
2001 struct qla_hw_data *ha = vha->hw;
2002 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2003
2004 wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
2005
2006 /* Load return mailbox registers. */
2007 ha->flags.mbox_int = 1;
2008 ha->mailbox_out[0] = mb0;
2009
2010 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2011 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2012 wptr++;
2013 }
2014
2015 if (!ha->mcp)
2016 ql_dbg(ql_dbg_async, vha, 0x5053,
2017 "MBX pointer ERROR.\n");
2018 }
2019
2020 /**
2021 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2022 * @irq: interrupt number
2023 * @dev_id: SCSI driver HA context
2024 *
2025 * Called by system whenever the host adapter generates an interrupt.
2026 *
2027 * Returns handled flag.
2028 */
2029 irqreturn_t
2030 qla82xx_intr_handler(int irq, void *dev_id)
2031 {
2032 scsi_qla_host_t *vha;
2033 struct qla_hw_data *ha;
2034 struct rsp_que *rsp;
2035 struct device_reg_82xx __iomem *reg;
2036 int status = 0, status1 = 0;
2037 unsigned long flags;
2038 unsigned long iter;
2039 uint32_t stat = 0;
2040 uint16_t mb[8];
2041
2042 rsp = (struct rsp_que *) dev_id;
2043 if (!rsp) {
2044 ql_log(ql_log_info, NULL, 0xb053,
2045 "%s: NULL response queue pointer.\n", __func__);
2046 return IRQ_NONE;
2047 }
2048 ha = rsp->hw;
2049
2050 if (!ha->flags.msi_enabled) {
2051 status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2052 if (!(status & ha->nx_legacy_intr.int_vec_bit))
2053 return IRQ_NONE;
2054
2055 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2056 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2057 return IRQ_NONE;
2058 }
2059
2060 /* clear the interrupt */
2061 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2062
2063 /* read twice to ensure write is flushed */
2064 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2065 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2066
2067 reg = &ha->iobase->isp82;
2068
2069 spin_lock_irqsave(&ha->hardware_lock, flags);
2070 vha = pci_get_drvdata(ha->pdev);
2071 for (iter = 1; iter--; ) {
2072
2073 if (RD_REG_DWORD(&reg->host_int)) {
2074 stat = RD_REG_DWORD(&reg->host_status);
2075
2076 switch (stat & 0xff) {
2077 case 0x1:
2078 case 0x2:
2079 case 0x10:
2080 case 0x11:
2081 qla82xx_mbx_completion(vha, MSW(stat));
2082 status |= MBX_INTERRUPT;
2083 break;
2084 case 0x12:
2085 mb[0] = MSW(stat);
2086 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2087 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2088 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2089 qla2x00_async_event(vha, rsp, mb);
2090 break;
2091 case 0x13:
2092 qla24xx_process_response_queue(vha, rsp);
2093 break;
2094 default:
2095 ql_dbg(ql_dbg_async, vha, 0x5054,
2096 "Unrecognized interrupt type (%d).\n",
2097 stat & 0xff);
2098 break;
2099 }
2100 }
2101 WRT_REG_DWORD(&reg->host_int, 0);
2102 }
2103
2104 qla2x00_handle_mbx_completion(ha, status);
2105 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2106
2107 if (!ha->flags.msi_enabled)
2108 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2109
2110 return IRQ_HANDLED;
2111 }
2112
2113 irqreturn_t
2114 qla82xx_msix_default(int irq, void *dev_id)
2115 {
2116 scsi_qla_host_t *vha;
2117 struct qla_hw_data *ha;
2118 struct rsp_que *rsp;
2119 struct device_reg_82xx __iomem *reg;
2120 int status = 0;
2121 unsigned long flags;
2122 uint32_t stat = 0;
2123 uint32_t host_int = 0;
2124 uint16_t mb[8];
2125
2126 rsp = (struct rsp_que *) dev_id;
2127 if (!rsp) {
2128 printk(KERN_INFO
2129 "%s(): NULL response queue pointer.\n", __func__);
2130 return IRQ_NONE;
2131 }
2132 ha = rsp->hw;
2133
2134 reg = &ha->iobase->isp82;
2135
2136 spin_lock_irqsave(&ha->hardware_lock, flags);
2137 vha = pci_get_drvdata(ha->pdev);
2138 do {
2139 host_int = RD_REG_DWORD(&reg->host_int);
2140 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2141 break;
2142 if (host_int) {
2143 stat = RD_REG_DWORD(&reg->host_status);
2144
2145 switch (stat & 0xff) {
2146 case 0x1:
2147 case 0x2:
2148 case 0x10:
2149 case 0x11:
2150 qla82xx_mbx_completion(vha, MSW(stat));
2151 status |= MBX_INTERRUPT;
2152 break;
2153 case 0x12:
2154 mb[0] = MSW(stat);
2155 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2156 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2157 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2158 qla2x00_async_event(vha, rsp, mb);
2159 break;
2160 case 0x13:
2161 qla24xx_process_response_queue(vha, rsp);
2162 break;
2163 default:
2164 ql_dbg(ql_dbg_async, vha, 0x5041,
2165 "Unrecognized interrupt type (%d).\n",
2166 stat & 0xff);
2167 break;
2168 }
2169 }
2170 WRT_REG_DWORD(&reg->host_int, 0);
2171 } while (0);
2172
2173 qla2x00_handle_mbx_completion(ha, status);
2174 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2175
2176 return IRQ_HANDLED;
2177 }
2178
2179 irqreturn_t
2180 qla82xx_msix_rsp_q(int irq, void *dev_id)
2181 {
2182 scsi_qla_host_t *vha;
2183 struct qla_hw_data *ha;
2184 struct rsp_que *rsp;
2185 struct device_reg_82xx __iomem *reg;
2186 unsigned long flags;
2187 uint32_t host_int = 0;
2188
2189 rsp = (struct rsp_que *) dev_id;
2190 if (!rsp) {
2191 printk(KERN_INFO
2192 "%s(): NULL response queue pointer.\n", __func__);
2193 return IRQ_NONE;
2194 }
2195
2196 ha = rsp->hw;
2197 reg = &ha->iobase->isp82;
2198 spin_lock_irqsave(&ha->hardware_lock, flags);
2199 vha = pci_get_drvdata(ha->pdev);
2200 host_int = RD_REG_DWORD(&reg->host_int);
2201 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2202 goto out;
2203 qla24xx_process_response_queue(vha, rsp);
2204 WRT_REG_DWORD(&reg->host_int, 0);
2205 out:
2206 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2207 return IRQ_HANDLED;
2208 }
2209
2210 void
2211 qla82xx_poll(int irq, void *dev_id)
2212 {
2213 scsi_qla_host_t *vha;
2214 struct qla_hw_data *ha;
2215 struct rsp_que *rsp;
2216 struct device_reg_82xx __iomem *reg;
2217 int status = 0;
2218 uint32_t stat;
2219 uint32_t host_int = 0;
2220 uint16_t mb[8];
2221 unsigned long flags;
2222
2223 rsp = (struct rsp_que *) dev_id;
2224 if (!rsp) {
2225 printk(KERN_INFO
2226 "%s(): NULL response queue pointer.\n", __func__);
2227 return;
2228 }
2229 ha = rsp->hw;
2230
2231 reg = &ha->iobase->isp82;
2232 spin_lock_irqsave(&ha->hardware_lock, flags);
2233 vha = pci_get_drvdata(ha->pdev);
2234
2235 host_int = RD_REG_DWORD(&reg->host_int);
2236 if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2237 goto out;
2238 if (host_int) {
2239 stat = RD_REG_DWORD(&reg->host_status);
2240 switch (stat & 0xff) {
2241 case 0x1:
2242 case 0x2:
2243 case 0x10:
2244 case 0x11:
2245 qla82xx_mbx_completion(vha, MSW(stat));
2246 status |= MBX_INTERRUPT;
2247 break;
2248 case 0x12:
2249 mb[0] = MSW(stat);
2250 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2251 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2252 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2253 qla2x00_async_event(vha, rsp, mb);
2254 break;
2255 case 0x13:
2256 qla24xx_process_response_queue(vha, rsp);
2257 break;
2258 default:
2259 ql_dbg(ql_dbg_p3p, vha, 0xb013,
2260 "Unrecognized interrupt type (%d).\n",
2261 stat * 0xff);
2262 break;
2263 }
2264 WRT_REG_DWORD(&reg->host_int, 0);
2265 }
2266 out:
2267 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2268 }
2269
2270 void
2271 qla82xx_enable_intrs(struct qla_hw_data *ha)
2272 {
2273 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2274
2275 qla82xx_mbx_intr_enable(vha);
2276 spin_lock_irq(&ha->hardware_lock);
2277 if (IS_QLA8044(ha))
2278 qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 0);
2279 else
2280 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2281 spin_unlock_irq(&ha->hardware_lock);
2282 ha->interrupts_on = 1;
2283 }
2284
2285 void
2286 qla82xx_disable_intrs(struct qla_hw_data *ha)
2287 {
2288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2289
2290 if (ha->interrupts_on)
2291 qla82xx_mbx_intr_disable(vha);
2292
2293 spin_lock_irq(&ha->hardware_lock);
2294 if (IS_QLA8044(ha))
2295 qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 1);
2296 else
2297 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2298 spin_unlock_irq(&ha->hardware_lock);
2299 ha->interrupts_on = 0;
2300 }
2301
2302 void qla82xx_init_flags(struct qla_hw_data *ha)
2303 {
2304 struct qla82xx_legacy_intr_set *nx_legacy_intr;
2305
2306 /* ISP 8021 initializations */
2307 rwlock_init(&ha->hw_lock);
2308 ha->qdr_sn_window = -1;
2309 ha->ddr_mn_window = -1;
2310 ha->curr_window = 255;
2311 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2312 nx_legacy_intr = &legacy_intr[ha->portnum];
2313 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2314 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2315 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2316 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2317 }
2318
2319 static inline void
2320 qla82xx_set_idc_version(scsi_qla_host_t *vha)
2321 {
2322 int idc_ver;
2323 uint32_t drv_active;
2324 struct qla_hw_data *ha = vha->hw;
2325
2326 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2327 if (drv_active == (QLA82XX_DRV_ACTIVE << (ha->portnum * 4))) {
2328 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
2329 QLA82XX_IDC_VERSION);
2330 ql_log(ql_log_info, vha, 0xb082,
2331 "IDC version updated to %d\n", QLA82XX_IDC_VERSION);
2332 } else {
2333 idc_ver = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_IDC_VERSION);
2334 if (idc_ver != QLA82XX_IDC_VERSION)
2335 ql_log(ql_log_info, vha, 0xb083,
2336 "qla2xxx driver IDC version %d is not compatible "
2337 "with IDC version %d of the other drivers\n",
2338 QLA82XX_IDC_VERSION, idc_ver);
2339 }
2340 }
2341
2342 inline void
2343 qla82xx_set_drv_active(scsi_qla_host_t *vha)
2344 {
2345 uint32_t drv_active;
2346 struct qla_hw_data *ha = vha->hw;
2347
2348 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2349
2350 /* If reset value is all FF's, initialize DRV_ACTIVE */
2351 if (drv_active == 0xffffffff) {
2352 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2353 QLA82XX_DRV_NOT_ACTIVE);
2354 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2355 }
2356 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2357 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2358 }
2359
2360 inline void
2361 qla82xx_clear_drv_active(struct qla_hw_data *ha)
2362 {
2363 uint32_t drv_active;
2364
2365 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2366 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2367 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2368 }
2369
2370 static inline int
2371 qla82xx_need_reset(struct qla_hw_data *ha)
2372 {
2373 uint32_t drv_state;
2374 int rval;
2375
2376 if (ha->flags.nic_core_reset_owner)
2377 return 1;
2378 else {
2379 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2380 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2381 return rval;
2382 }
2383 }
2384
2385 static inline void
2386 qla82xx_set_rst_ready(struct qla_hw_data *ha)
2387 {
2388 uint32_t drv_state;
2389 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2390
2391 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2392
2393 /* If reset value is all FF's, initialize DRV_STATE */
2394 if (drv_state == 0xffffffff) {
2395 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
2396 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2397 }
2398 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2399 ql_dbg(ql_dbg_init, vha, 0x00bb,
2400 "drv_state = 0x%08x.\n", drv_state);
2401 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2402 }
2403
2404 static inline void
2405 qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2406 {
2407 uint32_t drv_state;
2408
2409 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2410 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2411 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2412 }
2413
2414 static inline void
2415 qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2416 {
2417 uint32_t qsnt_state;
2418
2419 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2420 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2421 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2422 }
2423
2424 void
2425 qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2426 {
2427 struct qla_hw_data *ha = vha->hw;
2428 uint32_t qsnt_state;
2429
2430 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2431 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2432 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2433 }
2434
2435 static int
2436 qla82xx_load_fw(scsi_qla_host_t *vha)
2437 {
2438 int rst;
2439 struct fw_blob *blob;
2440 struct qla_hw_data *ha = vha->hw;
2441
2442 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
2443 ql_log(ql_log_fatal, vha, 0x009f,
2444 "Error during CRB initialization.\n");
2445 return QLA_FUNCTION_FAILED;
2446 }
2447 udelay(500);
2448
2449 /* Bring QM and CAMRAM out of reset */
2450 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2451 rst &= ~((1 << 28) | (1 << 24));
2452 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2453
2454 /*
2455 * FW Load priority:
2456 * 1) Operational firmware residing in flash.
2457 * 2) Firmware via request-firmware interface (.bin file).
2458 */
2459 if (ql2xfwloadbin == 2)
2460 goto try_blob_fw;
2461
2462 ql_log(ql_log_info, vha, 0x00a0,
2463 "Attempting to load firmware from flash.\n");
2464
2465 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
2466 ql_log(ql_log_info, vha, 0x00a1,
2467 "Firmware loaded successfully from flash.\n");
2468 return QLA_SUCCESS;
2469 } else {
2470 ql_log(ql_log_warn, vha, 0x0108,
2471 "Firmware load from flash failed.\n");
2472 }
2473
2474 try_blob_fw:
2475 ql_log(ql_log_info, vha, 0x00a2,
2476 "Attempting to load firmware from blob.\n");
2477
2478 /* Load firmware blob. */
2479 blob = ha->hablob = qla2x00_request_firmware(vha);
2480 if (!blob) {
2481 ql_log(ql_log_fatal, vha, 0x00a3,
2482 "Firmware image not present.\n");
2483 goto fw_load_failed;
2484 }
2485
2486 /* Validating firmware blob */
2487 if (qla82xx_validate_firmware_blob(vha,
2488 QLA82XX_FLASH_ROMIMAGE)) {
2489 /* Fallback to URI format */
2490 if (qla82xx_validate_firmware_blob(vha,
2491 QLA82XX_UNIFIED_ROMIMAGE)) {
2492 ql_log(ql_log_fatal, vha, 0x00a4,
2493 "No valid firmware image found.\n");
2494 return QLA_FUNCTION_FAILED;
2495 }
2496 }
2497
2498 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
2499 ql_log(ql_log_info, vha, 0x00a5,
2500 "Firmware loaded successfully from binary blob.\n");
2501 return QLA_SUCCESS;
2502 }
2503
2504 ql_log(ql_log_fatal, vha, 0x00a6,
2505 "Firmware load failed for binary blob.\n");
2506 blob->fw = NULL;
2507 blob = NULL;
2508
2509 fw_load_failed:
2510 return QLA_FUNCTION_FAILED;
2511 }
2512
2513 int
2514 qla82xx_start_firmware(scsi_qla_host_t *vha)
2515 {
2516 uint16_t lnk;
2517 struct qla_hw_data *ha = vha->hw;
2518
2519 /* scrub dma mask expansion register */
2520 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
2521
2522 /* Put both the PEG CMD and RCV PEG to default state
2523 * of 0 before resetting the hardware
2524 */
2525 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2526 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2527
2528 /* Overwrite stale initialization register values */
2529 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2530 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2531
2532 if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
2533 ql_log(ql_log_fatal, vha, 0x00a7,
2534 "Error trying to start fw.\n");
2535 return QLA_FUNCTION_FAILED;
2536 }
2537
2538 /* Handshake with the card before we register the devices. */
2539 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
2540 ql_log(ql_log_fatal, vha, 0x00aa,
2541 "Error during card handshake.\n");
2542 return QLA_FUNCTION_FAILED;
2543 }
2544
2545 /* Negotiated Link width */
2546 pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
2547 ha->link_width = (lnk >> 4) & 0x3f;
2548
2549 /* Synchronize with Receive peg */
2550 return qla82xx_check_rcvpeg_state(ha);
2551 }
2552
2553 static uint32_t *
2554 qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2555 uint32_t length)
2556 {
2557 uint32_t i;
2558 uint32_t val;
2559 struct qla_hw_data *ha = vha->hw;
2560
2561 /* Dword reads to flash. */
2562 for (i = 0; i < length/4; i++, faddr += 4) {
2563 if (qla82xx_rom_fast_read(ha, faddr, &val)) {
2564 ql_log(ql_log_warn, vha, 0x0106,
2565 "Do ROM fast read failed.\n");
2566 goto done_read;
2567 }
2568 dwptr[i] = cpu_to_le32(val);
2569 }
2570 done_read:
2571 return dwptr;
2572 }
2573
2574 static int
2575 qla82xx_unprotect_flash(struct qla_hw_data *ha)
2576 {
2577 int ret;
2578 uint32_t val;
2579 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2580
2581 ret = ql82xx_rom_lock_d(ha);
2582 if (ret < 0) {
2583 ql_log(ql_log_warn, vha, 0xb014,
2584 "ROM Lock failed.\n");
2585 return ret;
2586 }
2587
2588 ret = qla82xx_read_status_reg(ha, &val);
2589 if (ret < 0)
2590 goto done_unprotect;
2591
2592 val &= ~(BLOCK_PROTECT_BITS << 2);
2593 ret = qla82xx_write_status_reg(ha, val);
2594 if (ret < 0) {
2595 val |= (BLOCK_PROTECT_BITS << 2);
2596 qla82xx_write_status_reg(ha, val);
2597 }
2598
2599 if (qla82xx_write_disable_flash(ha) != 0)
2600 ql_log(ql_log_warn, vha, 0xb015,
2601 "Write disable failed.\n");
2602
2603 done_unprotect:
2604 qla82xx_rom_unlock(ha);
2605 return ret;
2606 }
2607
2608 static int
2609 qla82xx_protect_flash(struct qla_hw_data *ha)
2610 {
2611 int ret;
2612 uint32_t val;
2613 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2614
2615 ret = ql82xx_rom_lock_d(ha);
2616 if (ret < 0) {
2617 ql_log(ql_log_warn, vha, 0xb016,
2618 "ROM Lock failed.\n");
2619 return ret;
2620 }
2621
2622 ret = qla82xx_read_status_reg(ha, &val);
2623 if (ret < 0)
2624 goto done_protect;
2625
2626 val |= (BLOCK_PROTECT_BITS << 2);
2627 /* LOCK all sectors */
2628 ret = qla82xx_write_status_reg(ha, val);
2629 if (ret < 0)
2630 ql_log(ql_log_warn, vha, 0xb017,
2631 "Write status register failed.\n");
2632
2633 if (qla82xx_write_disable_flash(ha) != 0)
2634 ql_log(ql_log_warn, vha, 0xb018,
2635 "Write disable failed.\n");
2636 done_protect:
2637 qla82xx_rom_unlock(ha);
2638 return ret;
2639 }
2640
2641 static int
2642 qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
2643 {
2644 int ret = 0;
2645 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2646
2647 ret = ql82xx_rom_lock_d(ha);
2648 if (ret < 0) {
2649 ql_log(ql_log_warn, vha, 0xb019,
2650 "ROM Lock failed.\n");
2651 return ret;
2652 }
2653
2654 qla82xx_flash_set_write_enable(ha);
2655 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
2656 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
2657 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
2658
2659 if (qla82xx_wait_rom_done(ha)) {
2660 ql_log(ql_log_warn, vha, 0xb01a,
2661 "Error waiting for rom done.\n");
2662 ret = -1;
2663 goto done;
2664 }
2665 ret = qla82xx_flash_wait_write_finish(ha);
2666 done:
2667 qla82xx_rom_unlock(ha);
2668 return ret;
2669 }
2670
2671 /*
2672 * Address and length are byte address
2673 */
2674 void *
2675 qla82xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2676 uint32_t offset, uint32_t length)
2677 {
2678 scsi_block_requests(vha->host);
2679 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
2680 scsi_unblock_requests(vha->host);
2681 return buf;
2682 }
2683
2684 static int
2685 qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
2686 uint32_t faddr, uint32_t dwords)
2687 {
2688 int ret;
2689 uint32_t liter;
2690 uint32_t rest_addr;
2691 dma_addr_t optrom_dma;
2692 void *optrom = NULL;
2693 int page_mode = 0;
2694 struct qla_hw_data *ha = vha->hw;
2695
2696 ret = -1;
2697
2698 /* Prepare burst-capable write on supported ISPs. */
2699 if (page_mode && !(faddr & 0xfff) &&
2700 dwords > OPTROM_BURST_DWORDS) {
2701 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2702 &optrom_dma, GFP_KERNEL);
2703 if (!optrom) {
2704 ql_log(ql_log_warn, vha, 0xb01b,
2705 "Unable to allocate memory "
2706 "for optrom burst write (%x KB).\n",
2707 OPTROM_BURST_SIZE / 1024);
2708 }
2709 }
2710
2711 rest_addr = ha->fdt_block_size - 1;
2712
2713 ret = qla82xx_unprotect_flash(ha);
2714 if (ret) {
2715 ql_log(ql_log_warn, vha, 0xb01c,
2716 "Unable to unprotect flash for update.\n");
2717 goto write_done;
2718 }
2719
2720 for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
2721 /* Are we at the beginning of a sector? */
2722 if ((faddr & rest_addr) == 0) {
2723
2724 ret = qla82xx_erase_sector(ha, faddr);
2725 if (ret) {
2726 ql_log(ql_log_warn, vha, 0xb01d,
2727 "Unable to erase sector: address=%x.\n",
2728 faddr);
2729 break;
2730 }
2731 }
2732
2733 /* Go with burst-write. */
2734 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
2735 /* Copy data to DMA'ble buffer. */
2736 memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
2737
2738 ret = qla2x00_load_ram(vha, optrom_dma,
2739 (ha->flash_data_off | faddr),
2740 OPTROM_BURST_DWORDS);
2741 if (ret != QLA_SUCCESS) {
2742 ql_log(ql_log_warn, vha, 0xb01e,
2743 "Unable to burst-write optrom segment "
2744 "(%x/%x/%llx).\n", ret,
2745 (ha->flash_data_off | faddr),
2746 (unsigned long long)optrom_dma);
2747 ql_log(ql_log_warn, vha, 0xb01f,
2748 "Reverting to slow-write.\n");
2749
2750 dma_free_coherent(&ha->pdev->dev,
2751 OPTROM_BURST_SIZE, optrom, optrom_dma);
2752 optrom = NULL;
2753 } else {
2754 liter += OPTROM_BURST_DWORDS - 1;
2755 faddr += OPTROM_BURST_DWORDS - 1;
2756 dwptr += OPTROM_BURST_DWORDS - 1;
2757 continue;
2758 }
2759 }
2760
2761 ret = qla82xx_write_flash_dword(ha, faddr,
2762 cpu_to_le32(*dwptr));
2763 if (ret) {
2764 ql_dbg(ql_dbg_p3p, vha, 0xb020,
2765 "Unable to program flash address=%x data=%x.\n",
2766 faddr, *dwptr);
2767 break;
2768 }
2769 }
2770
2771 ret = qla82xx_protect_flash(ha);
2772 if (ret)
2773 ql_log(ql_log_warn, vha, 0xb021,
2774 "Unable to protect flash after update.\n");
2775 write_done:
2776 if (optrom)
2777 dma_free_coherent(&ha->pdev->dev,
2778 OPTROM_BURST_SIZE, optrom, optrom_dma);
2779 return ret;
2780 }
2781
2782 int
2783 qla82xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2784 uint32_t offset, uint32_t length)
2785 {
2786 int rval;
2787
2788 /* Suspend HBA. */
2789 scsi_block_requests(vha->host);
2790 rval = qla82xx_write_flash_data(vha, buf, offset, length >> 2);
2791 scsi_unblock_requests(vha->host);
2792
2793 /* Convert return ISP82xx to generic */
2794 if (rval)
2795 rval = QLA_FUNCTION_FAILED;
2796 else
2797 rval = QLA_SUCCESS;
2798 return rval;
2799 }
2800
2801 void
2802 qla82xx_start_iocbs(scsi_qla_host_t *vha)
2803 {
2804 struct qla_hw_data *ha = vha->hw;
2805 struct req_que *req = ha->req_q_map[0];
2806 uint32_t dbval;
2807
2808 /* Adjust ring index. */
2809 req->ring_index++;
2810 if (req->ring_index == req->length) {
2811 req->ring_index = 0;
2812 req->ring_ptr = req->ring;
2813 } else
2814 req->ring_ptr++;
2815
2816 dbval = 0x04 | (ha->portnum << 5);
2817
2818 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
2819 if (ql2xdbwr)
2820 qla82xx_wr_32(ha, (unsigned long)ha->nxdb_wr_ptr, dbval);
2821 else {
2822 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2823 wmb();
2824 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2825 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2826 wmb();
2827 }
2828 }
2829 }
2830
2831 static void
2832 qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
2833 {
2834 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2835 uint32_t lock_owner = 0;
2836
2837 if (qla82xx_rom_lock(ha)) {
2838 lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
2839 /* Someone else is holding the lock. */
2840 ql_log(ql_log_info, vha, 0xb022,
2841 "Resetting rom_lock, Lock Owner %u.\n", lock_owner);
2842 }
2843 /*
2844 * Either we got the lock, or someone
2845 * else died while holding it.
2846 * In either case, unlock.
2847 */
2848 qla82xx_rom_unlock(ha);
2849 }
2850
2851 /*
2852 * qla82xx_device_bootstrap
2853 * Initialize device, set DEV_READY, start fw
2854 *
2855 * Note:
2856 * IDC lock must be held upon entry
2857 *
2858 * Return:
2859 * Success : 0
2860 * Failed : 1
2861 */
2862 static int
2863 qla82xx_device_bootstrap(scsi_qla_host_t *vha)
2864 {
2865 int rval = QLA_SUCCESS;
2866 int i;
2867 uint32_t old_count, count;
2868 struct qla_hw_data *ha = vha->hw;
2869 int need_reset = 0;
2870
2871 need_reset = qla82xx_need_reset(ha);
2872
2873 if (need_reset) {
2874 /* We are trying to perform a recovery here. */
2875 if (ha->flags.isp82xx_fw_hung)
2876 qla82xx_rom_lock_recovery(ha);
2877 } else {
2878 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2879 for (i = 0; i < 10; i++) {
2880 msleep(200);
2881 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2882 if (count != old_count) {
2883 rval = QLA_SUCCESS;
2884 goto dev_ready;
2885 }
2886 }
2887 qla82xx_rom_lock_recovery(ha);
2888 }
2889
2890 /* set to DEV_INITIALIZING */
2891 ql_log(ql_log_info, vha, 0x009e,
2892 "HW State: INITIALIZING.\n");
2893 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
2894
2895 qla82xx_idc_unlock(ha);
2896 rval = qla82xx_start_firmware(vha);
2897 qla82xx_idc_lock(ha);
2898
2899 if (rval != QLA_SUCCESS) {
2900 ql_log(ql_log_fatal, vha, 0x00ad,
2901 "HW State: FAILED.\n");
2902 qla82xx_clear_drv_active(ha);
2903 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED);
2904 return rval;
2905 }
2906
2907 dev_ready:
2908 ql_log(ql_log_info, vha, 0x00ae,
2909 "HW State: READY.\n");
2910 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY);
2911
2912 return QLA_SUCCESS;
2913 }
2914
2915 /*
2916 * qla82xx_need_qsnt_handler
2917 * Code to start quiescence sequence
2918 *
2919 * Note:
2920 * IDC lock must be held upon entry
2921 *
2922 * Return: void
2923 */
2924
2925 static void
2926 qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
2927 {
2928 struct qla_hw_data *ha = vha->hw;
2929 uint32_t dev_state, drv_state, drv_active;
2930 unsigned long reset_timeout;
2931
2932 if (vha->flags.online) {
2933 /*Block any further I/O and wait for pending cmnds to complete*/
2934 qla2x00_quiesce_io(vha);
2935 }
2936
2937 /* Set the quiescence ready bit */
2938 qla82xx_set_qsnt_ready(ha);
2939
2940 /*wait for 30 secs for other functions to ack */
2941 reset_timeout = jiffies + (30 * HZ);
2942
2943 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2944 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2945 /* Its 2 that is written when qsnt is acked, moving one bit */
2946 drv_active = drv_active << 0x01;
2947
2948 while (drv_state != drv_active) {
2949
2950 if (time_after_eq(jiffies, reset_timeout)) {
2951 /* quiescence timeout, other functions didn't ack
2952 * changing the state to DEV_READY
2953 */
2954 ql_log(ql_log_info, vha, 0xb023,
2955 "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d "
2956 "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME,
2957 drv_active, drv_state);
2958 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2959 QLA8XXX_DEV_READY);
2960 ql_log(ql_log_info, vha, 0xb025,
2961 "HW State: DEV_READY.\n");
2962 qla82xx_idc_unlock(ha);
2963 qla2x00_perform_loop_resync(vha);
2964 qla82xx_idc_lock(ha);
2965
2966 qla82xx_clear_qsnt_ready(vha);
2967 return;
2968 }
2969
2970 qla82xx_idc_unlock(ha);
2971 msleep(1000);
2972 qla82xx_idc_lock(ha);
2973
2974 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2975 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2976 drv_active = drv_active << 0x01;
2977 }
2978 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2979 /* everyone acked so set the state to DEV_QUIESCENCE */
2980 if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
2981 ql_log(ql_log_info, vha, 0xb026,
2982 "HW State: DEV_QUIESCENT.\n");
2983 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT);
2984 }
2985 }
2986
2987 /*
2988 * qla82xx_wait_for_state_change
2989 * Wait for device state to change from given current state
2990 *
2991 * Note:
2992 * IDC lock must not be held upon entry
2993 *
2994 * Return:
2995 * Changed device state.
2996 */
2997 uint32_t
2998 qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
2999 {
3000 struct qla_hw_data *ha = vha->hw;
3001 uint32_t dev_state;
3002
3003 do {
3004 msleep(1000);
3005 qla82xx_idc_lock(ha);
3006 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3007 qla82xx_idc_unlock(ha);
3008 } while (dev_state == curr_state);
3009
3010 return dev_state;
3011 }
3012
3013 void
3014 qla8xxx_dev_failed_handler(scsi_qla_host_t *vha)
3015 {
3016 struct qla_hw_data *ha = vha->hw;
3017
3018 /* Disable the board */
3019 ql_log(ql_log_fatal, vha, 0x00b8,
3020 "Disabling the board.\n");
3021
3022 if (IS_QLA82XX(ha)) {
3023 qla82xx_clear_drv_active(ha);
3024 qla82xx_idc_unlock(ha);
3025 } else if (IS_QLA8044(ha)) {
3026 qla8044_clear_drv_active(ha);
3027 qla8044_idc_unlock(ha);
3028 }
3029
3030 /* Set DEV_FAILED flag to disable timer */
3031 vha->device_flags |= DFLG_DEV_FAILED;
3032 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3033 qla2x00_mark_all_devices_lost(vha, 0);
3034 vha->flags.online = 0;
3035 vha->flags.init_done = 0;
3036 }
3037
3038 /*
3039 * qla82xx_need_reset_handler
3040 * Code to start reset sequence
3041 *
3042 * Note:
3043 * IDC lock must be held upon entry
3044 *
3045 * Return:
3046 * Success : 0
3047 * Failed : 1
3048 */
3049 static void
3050 qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3051 {
3052 uint32_t dev_state, drv_state, drv_active;
3053 uint32_t active_mask = 0;
3054 unsigned long reset_timeout;
3055 struct qla_hw_data *ha = vha->hw;
3056 struct req_que *req = ha->req_q_map[0];
3057
3058 if (vha->flags.online) {
3059 qla82xx_idc_unlock(ha);
3060 qla2x00_abort_isp_cleanup(vha);
3061 ha->isp_ops->get_flash_version(vha, req->ring);
3062 ha->isp_ops->nvram_config(vha);
3063 qla82xx_idc_lock(ha);
3064 }
3065
3066 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3067 if (!ha->flags.nic_core_reset_owner) {
3068 ql_dbg(ql_dbg_p3p, vha, 0xb028,
3069 "reset_acknowledged by 0x%x\n", ha->portnum);
3070 qla82xx_set_rst_ready(ha);
3071 } else {
3072 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
3073 drv_active &= active_mask;
3074 ql_dbg(ql_dbg_p3p, vha, 0xb029,
3075 "active_mask: 0x%08x\n", active_mask);
3076 }
3077
3078 /* wait for 10 seconds for reset ack from all functions */
3079 reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
3080
3081 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3082 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3083 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3084
3085 ql_dbg(ql_dbg_p3p, vha, 0xb02a,
3086 "drv_state: 0x%08x, drv_active: 0x%08x, "
3087 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3088 drv_state, drv_active, dev_state, active_mask);
3089
3090 while (drv_state != drv_active &&
3091 dev_state != QLA8XXX_DEV_INITIALIZING) {
3092 if (time_after_eq(jiffies, reset_timeout)) {
3093 ql_log(ql_log_warn, vha, 0x00b5,
3094 "Reset timeout.\n");
3095 break;
3096 }
3097 qla82xx_idc_unlock(ha);
3098 msleep(1000);
3099 qla82xx_idc_lock(ha);
3100 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3101 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3102 if (ha->flags.nic_core_reset_owner)
3103 drv_active &= active_mask;
3104 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3105 }
3106
3107 ql_dbg(ql_dbg_p3p, vha, 0xb02b,
3108 "drv_state: 0x%08x, drv_active: 0x%08x, "
3109 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3110 drv_state, drv_active, dev_state, active_mask);
3111
3112 ql_log(ql_log_info, vha, 0x00b6,
3113 "Device state is 0x%x = %s.\n",
3114 dev_state,
3115 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3116
3117 /* Force to DEV_COLD unless someone else is starting a reset */
3118 if (dev_state != QLA8XXX_DEV_INITIALIZING &&
3119 dev_state != QLA8XXX_DEV_COLD) {
3120 ql_log(ql_log_info, vha, 0x00b7,
3121 "HW State: COLD/RE-INIT.\n");
3122 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD);
3123 qla82xx_set_rst_ready(ha);
3124 if (ql2xmdenable) {
3125 if (qla82xx_md_collect(vha))
3126 ql_log(ql_log_warn, vha, 0xb02c,
3127 "Minidump not collected.\n");
3128 } else
3129 ql_log(ql_log_warn, vha, 0xb04f,
3130 "Minidump disabled.\n");
3131 }
3132 }
3133
3134 int
3135 qla82xx_check_md_needed(scsi_qla_host_t *vha)
3136 {
3137 struct qla_hw_data *ha = vha->hw;
3138 uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
3139 int rval = QLA_SUCCESS;
3140
3141 fw_major_version = ha->fw_major_version;
3142 fw_minor_version = ha->fw_minor_version;
3143 fw_subminor_version = ha->fw_subminor_version;
3144
3145 rval = qla2x00_get_fw_version(vha);
3146 if (rval != QLA_SUCCESS)
3147 return rval;
3148
3149 if (ql2xmdenable) {
3150 if (!ha->fw_dumped) {
3151 if ((fw_major_version != ha->fw_major_version ||
3152 fw_minor_version != ha->fw_minor_version ||
3153 fw_subminor_version != ha->fw_subminor_version) ||
3154 (ha->prev_minidump_failed)) {
3155 ql_dbg(ql_dbg_p3p, vha, 0xb02d,
3156 "Firmware version differs Previous version: %d:%d:%d - New version: %d:%d:%d, prev_minidump_failed: %d.\n",
3157 fw_major_version, fw_minor_version,
3158 fw_subminor_version,
3159 ha->fw_major_version,
3160 ha->fw_minor_version,
3161 ha->fw_subminor_version,
3162 ha->prev_minidump_failed);
3163 /* Release MiniDump resources */
3164 qla82xx_md_free(vha);
3165 /* ALlocate MiniDump resources */
3166 qla82xx_md_prep(vha);
3167 }
3168 } else
3169 ql_log(ql_log_info, vha, 0xb02e,
3170 "Firmware dump available to retrieve\n");
3171 }
3172 return rval;
3173 }
3174
3175
3176 static int
3177 qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3178 {
3179 uint32_t fw_heartbeat_counter;
3180 int status = 0;
3181
3182 fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3183 QLA82XX_PEG_ALIVE_COUNTER);
3184 /* all 0xff, assume AER/EEH in progress, ignore */
3185 if (fw_heartbeat_counter == 0xffffffff) {
3186 ql_dbg(ql_dbg_timer, vha, 0x6003,
3187 "FW heartbeat counter is 0xffffffff, "
3188 "returning status=%d.\n", status);
3189 return status;
3190 }
3191 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3192 vha->seconds_since_last_heartbeat++;
3193 /* FW not alive after 2 seconds */
3194 if (vha->seconds_since_last_heartbeat == 2) {
3195 vha->seconds_since_last_heartbeat = 0;
3196 status = 1;
3197 }
3198 } else
3199 vha->seconds_since_last_heartbeat = 0;
3200 vha->fw_heartbeat_counter = fw_heartbeat_counter;
3201 if (status)
3202 ql_dbg(ql_dbg_timer, vha, 0x6004,
3203 "Returning status=%d.\n", status);
3204 return status;
3205 }
3206
3207 /*
3208 * qla82xx_device_state_handler
3209 * Main state handler
3210 *
3211 * Note:
3212 * IDC lock must be held upon entry
3213 *
3214 * Return:
3215 * Success : 0
3216 * Failed : 1
3217 */
3218 int
3219 qla82xx_device_state_handler(scsi_qla_host_t *vha)
3220 {
3221 uint32_t dev_state;
3222 uint32_t old_dev_state;
3223 int rval = QLA_SUCCESS;
3224 unsigned long dev_init_timeout;
3225 struct qla_hw_data *ha = vha->hw;
3226 int loopcount = 0;
3227
3228 qla82xx_idc_lock(ha);
3229 if (!vha->flags.init_done) {
3230 qla82xx_set_drv_active(vha);
3231 qla82xx_set_idc_version(vha);
3232 }
3233
3234 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3235 old_dev_state = dev_state;
3236 ql_log(ql_log_info, vha, 0x009b,
3237 "Device state is 0x%x = %s.\n",
3238 dev_state,
3239 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3240
3241 /* wait for 30 seconds for device to go ready */
3242 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
3243
3244 while (1) {
3245
3246 if (time_after_eq(jiffies, dev_init_timeout)) {
3247 ql_log(ql_log_fatal, vha, 0x009c,
3248 "Device init failed.\n");
3249 rval = QLA_FUNCTION_FAILED;
3250 break;
3251 }
3252 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3253 if (old_dev_state != dev_state) {
3254 loopcount = 0;
3255 old_dev_state = dev_state;
3256 }
3257 if (loopcount < 5) {
3258 ql_log(ql_log_info, vha, 0x009d,
3259 "Device state is 0x%x = %s.\n",
3260 dev_state,
3261 dev_state < MAX_STATES ? qdev_state(dev_state) :
3262 "Unknown");
3263 }
3264
3265 switch (dev_state) {
3266 case QLA8XXX_DEV_READY:
3267 ha->flags.nic_core_reset_owner = 0;
3268 goto rel_lock;
3269 case QLA8XXX_DEV_COLD:
3270 rval = qla82xx_device_bootstrap(vha);
3271 break;
3272 case QLA8XXX_DEV_INITIALIZING:
3273 qla82xx_idc_unlock(ha);
3274 msleep(1000);
3275 qla82xx_idc_lock(ha);
3276 break;
3277 case QLA8XXX_DEV_NEED_RESET:
3278 if (!ql2xdontresethba)
3279 qla82xx_need_reset_handler(vha);
3280 else {
3281 qla82xx_idc_unlock(ha);
3282 msleep(1000);
3283 qla82xx_idc_lock(ha);
3284 }
3285 dev_init_timeout = jiffies +
3286 (ha->fcoe_dev_init_timeout * HZ);
3287 break;
3288 case QLA8XXX_DEV_NEED_QUIESCENT:
3289 qla82xx_need_qsnt_handler(vha);
3290 /* Reset timeout value after quiescence handler */
3291 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout
3292 * HZ);
3293 break;
3294 case QLA8XXX_DEV_QUIESCENT:
3295 /* Owner will exit and other will wait for the state
3296 * to get changed
3297 */
3298 if (ha->flags.quiesce_owner)
3299 goto rel_lock;
3300
3301 qla82xx_idc_unlock(ha);
3302 msleep(1000);
3303 qla82xx_idc_lock(ha);
3304
3305 /* Reset timeout value after quiescence handler */
3306 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout
3307 * HZ);
3308 break;
3309 case QLA8XXX_DEV_FAILED:
3310 qla8xxx_dev_failed_handler(vha);
3311 rval = QLA_FUNCTION_FAILED;
3312 goto exit;
3313 default:
3314 qla82xx_idc_unlock(ha);
3315 msleep(1000);
3316 qla82xx_idc_lock(ha);
3317 }
3318 loopcount++;
3319 }
3320 rel_lock:
3321 qla82xx_idc_unlock(ha);
3322 exit:
3323 return rval;
3324 }
3325
3326 static int qla82xx_check_temp(scsi_qla_host_t *vha)
3327 {
3328 uint32_t temp, temp_state, temp_val;
3329 struct qla_hw_data *ha = vha->hw;
3330
3331 temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
3332 temp_state = qla82xx_get_temp_state(temp);
3333 temp_val = qla82xx_get_temp_val(temp);
3334
3335 if (temp_state == QLA82XX_TEMP_PANIC) {
3336 ql_log(ql_log_warn, vha, 0x600e,
3337 "Device temperature %d degrees C exceeds "
3338 " maximum allowed. Hardware has been shut down.\n",
3339 temp_val);
3340 return 1;
3341 } else if (temp_state == QLA82XX_TEMP_WARN) {
3342 ql_log(ql_log_warn, vha, 0x600f,
3343 "Device temperature %d degrees C exceeds "
3344 "operating range. Immediate action needed.\n",
3345 temp_val);
3346 }
3347 return 0;
3348 }
3349
3350 int qla82xx_read_temperature(scsi_qla_host_t *vha)
3351 {
3352 uint32_t temp;
3353
3354 temp = qla82xx_rd_32(vha->hw, CRB_TEMP_STATE);
3355 return qla82xx_get_temp_val(temp);
3356 }
3357
3358 void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
3359 {
3360 struct qla_hw_data *ha = vha->hw;
3361
3362 if (ha->flags.mbox_busy) {
3363 ha->flags.mbox_int = 1;
3364 ha->flags.mbox_busy = 0;
3365 ql_log(ql_log_warn, vha, 0x6010,
3366 "Doing premature completion of mbx command.\n");
3367 if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
3368 complete(&ha->mbx_intr_comp);
3369 }
3370 }
3371
3372 void qla82xx_watchdog(scsi_qla_host_t *vha)
3373 {
3374 uint32_t dev_state, halt_status;
3375 struct qla_hw_data *ha = vha->hw;
3376
3377 /* don't poll if reset is going on */
3378 if (!ha->flags.nic_core_reset_hdlr_active) {
3379 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3380 if (qla82xx_check_temp(vha)) {
3381 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3382 ha->flags.isp82xx_fw_hung = 1;
3383 qla82xx_clear_pending_mbx(vha);
3384 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
3385 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
3386 ql_log(ql_log_warn, vha, 0x6001,
3387 "Adapter reset needed.\n");
3388 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3389 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
3390 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
3391 ql_log(ql_log_warn, vha, 0x6002,
3392 "Quiescent needed.\n");
3393 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
3394 } else if (dev_state == QLA8XXX_DEV_FAILED &&
3395 !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) &&
3396 vha->flags.online == 1) {
3397 ql_log(ql_log_warn, vha, 0xb055,
3398 "Adapter state is failed. Offlining.\n");
3399 set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3400 ha->flags.isp82xx_fw_hung = 1;
3401 qla82xx_clear_pending_mbx(vha);
3402 } else {
3403 if (qla82xx_check_fw_alive(vha)) {
3404 ql_dbg(ql_dbg_timer, vha, 0x6011,
3405 "disabling pause transmit on port 0 & 1.\n");
3406 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
3407 CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
3408 halt_status = qla82xx_rd_32(ha,
3409 QLA82XX_PEG_HALT_STATUS1);
3410 ql_log(ql_log_info, vha, 0x6005,
3411 "dumping hw/fw registers:.\n "
3412 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3413 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3414 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3415 " PEG_NET_4_PC: 0x%x.\n", halt_status,
3416 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3417 qla82xx_rd_32(ha,
3418 QLA82XX_CRB_PEG_NET_0 + 0x3c),
3419 qla82xx_rd_32(ha,
3420 QLA82XX_CRB_PEG_NET_1 + 0x3c),
3421 qla82xx_rd_32(ha,
3422 QLA82XX_CRB_PEG_NET_2 + 0x3c),
3423 qla82xx_rd_32(ha,
3424 QLA82XX_CRB_PEG_NET_3 + 0x3c),
3425 qla82xx_rd_32(ha,
3426 QLA82XX_CRB_PEG_NET_4 + 0x3c));
3427 if (((halt_status & 0x1fffff00) >> 8) == 0x67)
3428 ql_log(ql_log_warn, vha, 0xb052,
3429 "Firmware aborted with "
3430 "error code 0x00006700. Device is "
3431 "being reset.\n");
3432 if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3433 set_bit(ISP_UNRECOVERABLE,
3434 &vha->dpc_flags);
3435 } else {
3436 ql_log(ql_log_info, vha, 0x6006,
3437 "Detect abort needed.\n");
3438 set_bit(ISP_ABORT_NEEDED,
3439 &vha->dpc_flags);
3440 }
3441 ha->flags.isp82xx_fw_hung = 1;
3442 ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
3443 qla82xx_clear_pending_mbx(vha);
3444 }
3445 }
3446 }
3447 }
3448
3449 int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3450 {
3451 int rval = -1;
3452 struct qla_hw_data *ha = vha->hw;
3453
3454 if (IS_QLA82XX(ha))
3455 rval = qla82xx_device_state_handler(vha);
3456 else if (IS_QLA8044(ha)) {
3457 qla8044_idc_lock(ha);
3458 /* Decide the reset ownership */
3459 qla83xx_reset_ownership(vha);
3460 qla8044_idc_unlock(ha);
3461 rval = qla8044_device_state_handler(vha);
3462 }
3463 return rval;
3464 }
3465
3466 void
3467 qla82xx_set_reset_owner(scsi_qla_host_t *vha)
3468 {
3469 struct qla_hw_data *ha = vha->hw;
3470 uint32_t dev_state = 0;
3471
3472 if (IS_QLA82XX(ha))
3473 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3474 else if (IS_QLA8044(ha))
3475 dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
3476
3477 if (dev_state == QLA8XXX_DEV_READY) {
3478 ql_log(ql_log_info, vha, 0xb02f,
3479 "HW State: NEED RESET\n");
3480 if (IS_QLA82XX(ha)) {
3481 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3482 QLA8XXX_DEV_NEED_RESET);
3483 ha->flags.nic_core_reset_owner = 1;
3484 ql_dbg(ql_dbg_p3p, vha, 0xb030,
3485 "reset_owner is 0x%x\n", ha->portnum);
3486 } else if (IS_QLA8044(ha))
3487 qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
3488 QLA8XXX_DEV_NEED_RESET);
3489 } else
3490 ql_log(ql_log_info, vha, 0xb031,
3491 "Device state is 0x%x = %s.\n",
3492 dev_state,
3493 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3494 }
3495
3496 /*
3497 * qla82xx_abort_isp
3498 * Resets ISP and aborts all outstanding commands.
3499 *
3500 * Input:
3501 * ha = adapter block pointer.
3502 *
3503 * Returns:
3504 * 0 = success
3505 */
3506 int
3507 qla82xx_abort_isp(scsi_qla_host_t *vha)
3508 {
3509 int rval = -1;
3510 struct qla_hw_data *ha = vha->hw;
3511
3512 if (vha->device_flags & DFLG_DEV_FAILED) {
3513 ql_log(ql_log_warn, vha, 0x8024,
3514 "Device in failed state, exiting.\n");
3515 return QLA_SUCCESS;
3516 }
3517 ha->flags.nic_core_reset_hdlr_active = 1;
3518
3519 qla82xx_idc_lock(ha);
3520 qla82xx_set_reset_owner(vha);
3521 qla82xx_idc_unlock(ha);
3522
3523 if (IS_QLA82XX(ha))
3524 rval = qla82xx_device_state_handler(vha);
3525 else if (IS_QLA8044(ha)) {
3526 qla8044_idc_lock(ha);
3527 /* Decide the reset ownership */
3528 qla83xx_reset_ownership(vha);
3529 qla8044_idc_unlock(ha);
3530 rval = qla8044_device_state_handler(vha);
3531 }
3532
3533 qla82xx_idc_lock(ha);
3534 qla82xx_clear_rst_ready(ha);
3535 qla82xx_idc_unlock(ha);
3536
3537 if (rval == QLA_SUCCESS) {
3538 ha->flags.isp82xx_fw_hung = 0;
3539 ha->flags.nic_core_reset_hdlr_active = 0;
3540 qla82xx_restart_isp(vha);
3541 }
3542
3543 if (rval) {
3544 vha->flags.online = 1;
3545 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3546 if (ha->isp_abort_cnt == 0) {
3547 ql_log(ql_log_warn, vha, 0x8027,
3548 "ISP error recover failed - board "
3549 "disabled.\n");
3550 /*
3551 * The next call disables the board
3552 * completely.
3553 */
3554 ha->isp_ops->reset_adapter(vha);
3555 vha->flags.online = 0;
3556 clear_bit(ISP_ABORT_RETRY,
3557 &vha->dpc_flags);
3558 rval = QLA_SUCCESS;
3559 } else { /* schedule another ISP abort */
3560 ha->isp_abort_cnt--;
3561 ql_log(ql_log_warn, vha, 0x8036,
3562 "ISP abort - retry remaining %d.\n",
3563 ha->isp_abort_cnt);
3564 rval = QLA_FUNCTION_FAILED;
3565 }
3566 } else {
3567 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3568 ql_dbg(ql_dbg_taskm, vha, 0x8029,
3569 "ISP error recovery - retrying (%d) more times.\n",
3570 ha->isp_abort_cnt);
3571 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3572 rval = QLA_FUNCTION_FAILED;
3573 }
3574 }
3575 return rval;
3576 }
3577
3578 /*
3579 * qla82xx_fcoe_ctx_reset
3580 * Perform a quick reset and aborts all outstanding commands.
3581 * This will only perform an FCoE context reset and avoids a full blown
3582 * chip reset.
3583 *
3584 * Input:
3585 * ha = adapter block pointer.
3586 * is_reset_path = flag for identifying the reset path.
3587 *
3588 * Returns:
3589 * 0 = success
3590 */
3591 int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3592 {
3593 int rval = QLA_FUNCTION_FAILED;
3594
3595 if (vha->flags.online) {
3596 /* Abort all outstanding commands, so as to be requeued later */
3597 qla2x00_abort_isp_cleanup(vha);
3598 }
3599
3600 /* Stop currently executing firmware.
3601 * This will destroy existing FCoE context at the F/W end.
3602 */
3603 qla2x00_try_to_stop_firmware(vha);
3604
3605 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3606 rval = qla82xx_restart_isp(vha);
3607
3608 return rval;
3609 }
3610
3611 /*
3612 * qla2x00_wait_for_fcoe_ctx_reset
3613 * Wait till the FCoE context is reset.
3614 *
3615 * Note:
3616 * Does context switching here.
3617 * Release SPIN_LOCK (if any) before calling this routine.
3618 *
3619 * Return:
3620 * Success (fcoe_ctx reset is done) : 0
3621 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
3622 */
3623 int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3624 {
3625 int status = QLA_FUNCTION_FAILED;
3626 unsigned long wait_reset;
3627
3628 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3629 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3630 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3631 && time_before(jiffies, wait_reset)) {
3632
3633 set_current_state(TASK_UNINTERRUPTIBLE);
3634 schedule_timeout(HZ);
3635
3636 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3637 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3638 status = QLA_SUCCESS;
3639 break;
3640 }
3641 }
3642 ql_dbg(ql_dbg_p3p, vha, 0xb027,
3643 "%s: status=%d.\n", __func__, status);
3644
3645 return status;
3646 }
3647
3648 void
3649 qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3650 {
3651 int i, fw_state = 0;
3652 unsigned long flags;
3653 struct qla_hw_data *ha = vha->hw;
3654
3655 /* Check if 82XX firmware is alive or not
3656 * We may have arrived here from NEED_RESET
3657 * detection only
3658 */
3659 if (!ha->flags.isp82xx_fw_hung) {
3660 for (i = 0; i < 2; i++) {
3661 msleep(1000);
3662 if (IS_QLA82XX(ha))
3663 fw_state = qla82xx_check_fw_alive(vha);
3664 else if (IS_QLA8044(ha))
3665 fw_state = qla8044_check_fw_alive(vha);
3666 if (fw_state) {
3667 ha->flags.isp82xx_fw_hung = 1;
3668 qla82xx_clear_pending_mbx(vha);
3669 break;
3670 }
3671 }
3672 }
3673 ql_dbg(ql_dbg_init, vha, 0x00b0,
3674 "Entered %s fw_hung=%d.\n",
3675 __func__, ha->flags.isp82xx_fw_hung);
3676
3677 /* Abort all commands gracefully if fw NOT hung */
3678 if (!ha->flags.isp82xx_fw_hung) {
3679 int cnt, que;
3680 srb_t *sp;
3681 struct req_que *req;
3682
3683 spin_lock_irqsave(&ha->hardware_lock, flags);
3684 for (que = 0; que < ha->max_req_queues; que++) {
3685 req = ha->req_q_map[que];
3686 if (!req)
3687 continue;
3688 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
3689 sp = req->outstanding_cmds[cnt];
3690 if (sp) {
3691 if ((!sp->u.scmd.crc_ctx ||
3692 (sp->flags &
3693 SRB_FCP_CMND_DMA_VALID)) &&
3694 !ha->flags.isp82xx_fw_hung) {
3695 spin_unlock_irqrestore(
3696 &ha->hardware_lock, flags);
3697 if (ha->isp_ops->abort_command(sp)) {
3698 ql_log(ql_log_info, vha,
3699 0x00b1,
3700 "mbx abort failed.\n");
3701 } else {
3702 ql_log(ql_log_info, vha,
3703 0x00b2,
3704 "mbx abort success.\n");
3705 }
3706 spin_lock_irqsave(&ha->hardware_lock, flags);
3707 }
3708 }
3709 }
3710 }
3711 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3712
3713 /* Wait for pending cmds (physical and virtual) to complete */
3714 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3715 WAIT_HOST) == QLA_SUCCESS) {
3716 ql_dbg(ql_dbg_init, vha, 0x00b3,
3717 "Done wait for "
3718 "pending commands.\n");
3719 } else {
3720 WARN_ON_ONCE(true);
3721 }
3722 }
3723 }
3724
3725 /* Minidump related functions */
3726 static int
3727 qla82xx_minidump_process_control(scsi_qla_host_t *vha,
3728 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3729 {
3730 struct qla_hw_data *ha = vha->hw;
3731 struct qla82xx_md_entry_crb *crb_entry;
3732 uint32_t read_value, opcode, poll_time;
3733 uint32_t addr, index, crb_addr;
3734 unsigned long wtime;
3735 struct qla82xx_md_template_hdr *tmplt_hdr;
3736 uint32_t rval = QLA_SUCCESS;
3737 int i;
3738
3739 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
3740 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
3741 crb_addr = crb_entry->addr;
3742
3743 for (i = 0; i < crb_entry->op_count; i++) {
3744 opcode = crb_entry->crb_ctrl.opcode;
3745 if (opcode & QLA82XX_DBG_OPCODE_WR) {
3746 qla82xx_md_rw_32(ha, crb_addr,
3747 crb_entry->value_1, 1);
3748 opcode &= ~QLA82XX_DBG_OPCODE_WR;
3749 }
3750
3751 if (opcode & QLA82XX_DBG_OPCODE_RW) {
3752 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3753 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3754 opcode &= ~QLA82XX_DBG_OPCODE_RW;
3755 }
3756
3757 if (opcode & QLA82XX_DBG_OPCODE_AND) {
3758 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3759 read_value &= crb_entry->value_2;
3760 opcode &= ~QLA82XX_DBG_OPCODE_AND;
3761 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3762 read_value |= crb_entry->value_3;
3763 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3764 }
3765 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3766 }
3767
3768 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3769 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3770 read_value |= crb_entry->value_3;
3771 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3772 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3773 }
3774
3775 if (opcode & QLA82XX_DBG_OPCODE_POLL) {
3776 poll_time = crb_entry->crb_strd.poll_timeout;
3777 wtime = jiffies + poll_time;
3778 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3779
3780 do {
3781 if ((read_value & crb_entry->value_2)
3782 == crb_entry->value_1)
3783 break;
3784 else if (time_after_eq(jiffies, wtime)) {
3785 /* capturing dump failed */
3786 rval = QLA_FUNCTION_FAILED;
3787 break;
3788 } else
3789 read_value = qla82xx_md_rw_32(ha,
3790 crb_addr, 0, 0);
3791 } while (1);
3792 opcode &= ~QLA82XX_DBG_OPCODE_POLL;
3793 }
3794
3795 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
3796 if (crb_entry->crb_strd.state_index_a) {
3797 index = crb_entry->crb_strd.state_index_a;
3798 addr = tmplt_hdr->saved_state_array[index];
3799 } else
3800 addr = crb_addr;
3801
3802 read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3803 index = crb_entry->crb_ctrl.state_index_v;
3804 tmplt_hdr->saved_state_array[index] = read_value;
3805 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
3806 }
3807
3808 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
3809 if (crb_entry->crb_strd.state_index_a) {
3810 index = crb_entry->crb_strd.state_index_a;
3811 addr = tmplt_hdr->saved_state_array[index];
3812 } else
3813 addr = crb_addr;
3814
3815 if (crb_entry->crb_ctrl.state_index_v) {
3816 index = crb_entry->crb_ctrl.state_index_v;
3817 read_value =
3818 tmplt_hdr->saved_state_array[index];
3819 } else
3820 read_value = crb_entry->value_1;
3821
3822 qla82xx_md_rw_32(ha, addr, read_value, 1);
3823 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
3824 }
3825
3826 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
3827 index = crb_entry->crb_ctrl.state_index_v;
3828 read_value = tmplt_hdr->saved_state_array[index];
3829 read_value <<= crb_entry->crb_ctrl.shl;
3830 read_value >>= crb_entry->crb_ctrl.shr;
3831 if (crb_entry->value_2)
3832 read_value &= crb_entry->value_2;
3833 read_value |= crb_entry->value_3;
3834 read_value += crb_entry->value_1;
3835 tmplt_hdr->saved_state_array[index] = read_value;
3836 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
3837 }
3838 crb_addr += crb_entry->crb_strd.addr_stride;
3839 }
3840 return rval;
3841 }
3842
3843 static void
3844 qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
3845 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3846 {
3847 struct qla_hw_data *ha = vha->hw;
3848 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3849 struct qla82xx_md_entry_rdocm *ocm_hdr;
3850 uint32_t *data_ptr = *d_ptr;
3851
3852 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
3853 r_addr = ocm_hdr->read_addr;
3854 r_stride = ocm_hdr->read_addr_stride;
3855 loop_cnt = ocm_hdr->op_count;
3856
3857 for (i = 0; i < loop_cnt; i++) {
3858 r_value = RD_REG_DWORD(r_addr + ha->nx_pcibase);
3859 *data_ptr++ = cpu_to_le32(r_value);
3860 r_addr += r_stride;
3861 }
3862 *d_ptr = data_ptr;
3863 }
3864
3865 static void
3866 qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
3867 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3868 {
3869 struct qla_hw_data *ha = vha->hw;
3870 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
3871 struct qla82xx_md_entry_mux *mux_hdr;
3872 uint32_t *data_ptr = *d_ptr;
3873
3874 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
3875 r_addr = mux_hdr->read_addr;
3876 s_addr = mux_hdr->select_addr;
3877 s_stride = mux_hdr->select_value_stride;
3878 s_value = mux_hdr->select_value;
3879 loop_cnt = mux_hdr->op_count;
3880
3881 for (i = 0; i < loop_cnt; i++) {
3882 qla82xx_md_rw_32(ha, s_addr, s_value, 1);
3883 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3884 *data_ptr++ = cpu_to_le32(s_value);
3885 *data_ptr++ = cpu_to_le32(r_value);
3886 s_value += s_stride;
3887 }
3888 *d_ptr = data_ptr;
3889 }
3890
3891 static void
3892 qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
3893 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3894 {
3895 struct qla_hw_data *ha = vha->hw;
3896 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3897 struct qla82xx_md_entry_crb *crb_hdr;
3898 uint32_t *data_ptr = *d_ptr;
3899
3900 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
3901 r_addr = crb_hdr->addr;
3902 r_stride = crb_hdr->crb_strd.addr_stride;
3903 loop_cnt = crb_hdr->op_count;
3904
3905 for (i = 0; i < loop_cnt; i++) {
3906 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3907 *data_ptr++ = cpu_to_le32(r_addr);
3908 *data_ptr++ = cpu_to_le32(r_value);
3909 r_addr += r_stride;
3910 }
3911 *d_ptr = data_ptr;
3912 }
3913
3914 static int
3915 qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
3916 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3917 {
3918 struct qla_hw_data *ha = vha->hw;
3919 uint32_t addr, r_addr, c_addr, t_r_addr;
3920 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3921 unsigned long p_wait, w_time, p_mask;
3922 uint32_t c_value_w, c_value_r;
3923 struct qla82xx_md_entry_cache *cache_hdr;
3924 int rval = QLA_FUNCTION_FAILED;
3925 uint32_t *data_ptr = *d_ptr;
3926
3927 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3928 loop_count = cache_hdr->op_count;
3929 r_addr = cache_hdr->read_addr;
3930 c_addr = cache_hdr->control_addr;
3931 c_value_w = cache_hdr->cache_ctrl.write_value;
3932
3933 t_r_addr = cache_hdr->tag_reg_addr;
3934 t_value = cache_hdr->addr_ctrl.init_tag_value;
3935 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3936 p_wait = cache_hdr->cache_ctrl.poll_wait;
3937 p_mask = cache_hdr->cache_ctrl.poll_mask;
3938
3939 for (i = 0; i < loop_count; i++) {
3940 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3941 if (c_value_w)
3942 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3943
3944 if (p_mask) {
3945 w_time = jiffies + p_wait;
3946 do {
3947 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
3948 if ((c_value_r & p_mask) == 0)
3949 break;
3950 else if (time_after_eq(jiffies, w_time)) {
3951 /* capturing dump failed */
3952 ql_dbg(ql_dbg_p3p, vha, 0xb032,
3953 "c_value_r: 0x%x, poll_mask: 0x%lx, "
3954 "w_time: 0x%lx\n",
3955 c_value_r, p_mask, w_time);
3956 return rval;
3957 }
3958 } while (1);
3959 }
3960
3961 addr = r_addr;
3962 for (k = 0; k < r_cnt; k++) {
3963 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3964 *data_ptr++ = cpu_to_le32(r_value);
3965 addr += cache_hdr->read_ctrl.read_addr_stride;
3966 }
3967 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3968 }
3969 *d_ptr = data_ptr;
3970 return QLA_SUCCESS;
3971 }
3972
3973 static void
3974 qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
3975 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3976 {
3977 struct qla_hw_data *ha = vha->hw;
3978 uint32_t addr, r_addr, c_addr, t_r_addr;
3979 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3980 uint32_t c_value_w;
3981 struct qla82xx_md_entry_cache *cache_hdr;
3982 uint32_t *data_ptr = *d_ptr;
3983
3984 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3985 loop_count = cache_hdr->op_count;
3986 r_addr = cache_hdr->read_addr;
3987 c_addr = cache_hdr->control_addr;
3988 c_value_w = cache_hdr->cache_ctrl.write_value;
3989
3990 t_r_addr = cache_hdr->tag_reg_addr;
3991 t_value = cache_hdr->addr_ctrl.init_tag_value;
3992 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3993
3994 for (i = 0; i < loop_count; i++) {
3995 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3996 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3997 addr = r_addr;
3998 for (k = 0; k < r_cnt; k++) {
3999 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
4000 *data_ptr++ = cpu_to_le32(r_value);
4001 addr += cache_hdr->read_ctrl.read_addr_stride;
4002 }
4003 t_value += cache_hdr->addr_ctrl.tag_value_stride;
4004 }
4005 *d_ptr = data_ptr;
4006 }
4007
4008 static void
4009 qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
4010 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4011 {
4012 struct qla_hw_data *ha = vha->hw;
4013 uint32_t s_addr, r_addr;
4014 uint32_t r_stride, r_value, r_cnt, qid = 0;
4015 uint32_t i, k, loop_cnt;
4016 struct qla82xx_md_entry_queue *q_hdr;
4017 uint32_t *data_ptr = *d_ptr;
4018
4019 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
4020 s_addr = q_hdr->select_addr;
4021 r_cnt = q_hdr->rd_strd.read_addr_cnt;
4022 r_stride = q_hdr->rd_strd.read_addr_stride;
4023 loop_cnt = q_hdr->op_count;
4024
4025 for (i = 0; i < loop_cnt; i++) {
4026 qla82xx_md_rw_32(ha, s_addr, qid, 1);
4027 r_addr = q_hdr->read_addr;
4028 for (k = 0; k < r_cnt; k++) {
4029 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
4030 *data_ptr++ = cpu_to_le32(r_value);
4031 r_addr += r_stride;
4032 }
4033 qid += q_hdr->q_strd.queue_id_stride;
4034 }
4035 *d_ptr = data_ptr;
4036 }
4037
4038 static void
4039 qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
4040 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4041 {
4042 struct qla_hw_data *ha = vha->hw;
4043 uint32_t r_addr, r_value;
4044 uint32_t i, loop_cnt;
4045 struct qla82xx_md_entry_rdrom *rom_hdr;
4046 uint32_t *data_ptr = *d_ptr;
4047
4048 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
4049 r_addr = rom_hdr->read_addr;
4050 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
4051
4052 for (i = 0; i < loop_cnt; i++) {
4053 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
4054 (r_addr & 0xFFFF0000), 1);
4055 r_value = qla82xx_md_rw_32(ha,
4056 MD_DIRECT_ROM_READ_BASE +
4057 (r_addr & 0x0000FFFF), 0, 0);
4058 *data_ptr++ = cpu_to_le32(r_value);
4059 r_addr += sizeof(uint32_t);
4060 }
4061 *d_ptr = data_ptr;
4062 }
4063
4064 static int
4065 qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
4066 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4067 {
4068 struct qla_hw_data *ha = vha->hw;
4069 uint32_t r_addr, r_value, r_data;
4070 uint32_t i, j, loop_cnt;
4071 struct qla82xx_md_entry_rdmem *m_hdr;
4072 unsigned long flags;
4073 int rval = QLA_FUNCTION_FAILED;
4074 uint32_t *data_ptr = *d_ptr;
4075
4076 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
4077 r_addr = m_hdr->read_addr;
4078 loop_cnt = m_hdr->read_data_size/16;
4079
4080 if (r_addr & 0xf) {
4081 ql_log(ql_log_warn, vha, 0xb033,
4082 "Read addr 0x%x not 16 bytes aligned\n", r_addr);
4083 return rval;
4084 }
4085
4086 if (m_hdr->read_data_size % 16) {
4087 ql_log(ql_log_warn, vha, 0xb034,
4088 "Read data[0x%x] not multiple of 16 bytes\n",
4089 m_hdr->read_data_size);
4090 return rval;
4091 }
4092
4093 ql_dbg(ql_dbg_p3p, vha, 0xb035,
4094 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
4095 __func__, r_addr, m_hdr->read_data_size, loop_cnt);
4096
4097 write_lock_irqsave(&ha->hw_lock, flags);
4098 for (i = 0; i < loop_cnt; i++) {
4099 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
4100 r_value = 0;
4101 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
4102 r_value = MIU_TA_CTL_ENABLE;
4103 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4104 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
4105 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4106
4107 for (j = 0; j < MAX_CTL_CHECK; j++) {
4108 r_value = qla82xx_md_rw_32(ha,
4109 MD_MIU_TEST_AGT_CTRL, 0, 0);
4110 if ((r_value & MIU_TA_CTL_BUSY) == 0)
4111 break;
4112 }
4113
4114 if (j >= MAX_CTL_CHECK) {
4115 printk_ratelimited(KERN_ERR
4116 "failed to read through agent\n");
4117 write_unlock_irqrestore(&ha->hw_lock, flags);
4118 return rval;
4119 }
4120
4121 for (j = 0; j < 4; j++) {
4122 r_data = qla82xx_md_rw_32(ha,
4123 MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
4124 *data_ptr++ = cpu_to_le32(r_data);
4125 }
4126 r_addr += 16;
4127 }
4128 write_unlock_irqrestore(&ha->hw_lock, flags);
4129 *d_ptr = data_ptr;
4130 return QLA_SUCCESS;
4131 }
4132
4133 int
4134 qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
4135 {
4136 struct qla_hw_data *ha = vha->hw;
4137 uint64_t chksum = 0;
4138 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
4139 int count = ha->md_template_size/sizeof(uint32_t);
4140
4141 while (count-- > 0)
4142 chksum += *d_ptr++;
4143 while (chksum >> 32)
4144 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
4145 return ~chksum;
4146 }
4147
4148 static void
4149 qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
4150 qla82xx_md_entry_hdr_t *entry_hdr, int index)
4151 {
4152 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
4153 ql_dbg(ql_dbg_p3p, vha, 0xb036,
4154 "Skipping entry[%d]: "
4155 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4156 index, entry_hdr->entry_type,
4157 entry_hdr->d_ctrl.entry_capture_mask);
4158 }
4159
4160 int
4161 qla82xx_md_collect(scsi_qla_host_t *vha)
4162 {
4163 struct qla_hw_data *ha = vha->hw;
4164 int no_entry_hdr = 0;
4165 qla82xx_md_entry_hdr_t *entry_hdr;
4166 struct qla82xx_md_template_hdr *tmplt_hdr;
4167 uint32_t *data_ptr;
4168 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
4169 int i = 0, rval = QLA_FUNCTION_FAILED;
4170
4171 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4172 data_ptr = (uint32_t *)ha->md_dump;
4173
4174 if (ha->fw_dumped) {
4175 ql_log(ql_log_warn, vha, 0xb037,
4176 "Firmware has been previously dumped (%p) "
4177 "-- ignoring request.\n", ha->fw_dump);
4178 goto md_failed;
4179 }
4180
4181 ha->fw_dumped = 0;
4182
4183 if (!ha->md_tmplt_hdr || !ha->md_dump) {
4184 ql_log(ql_log_warn, vha, 0xb038,
4185 "Memory not allocated for minidump capture\n");
4186 goto md_failed;
4187 }
4188
4189 if (ha->flags.isp82xx_no_md_cap) {
4190 ql_log(ql_log_warn, vha, 0xb054,
4191 "Forced reset from application, "
4192 "ignore minidump capture\n");
4193 ha->flags.isp82xx_no_md_cap = 0;
4194 goto md_failed;
4195 }
4196
4197 if (qla82xx_validate_template_chksum(vha)) {
4198 ql_log(ql_log_info, vha, 0xb039,
4199 "Template checksum validation error\n");
4200 goto md_failed;
4201 }
4202
4203 no_entry_hdr = tmplt_hdr->num_of_entries;
4204 ql_dbg(ql_dbg_p3p, vha, 0xb03a,
4205 "No of entry headers in Template: 0x%x\n", no_entry_hdr);
4206
4207 ql_dbg(ql_dbg_p3p, vha, 0xb03b,
4208 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
4209
4210 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
4211
4212 /* Validate whether required debug level is set */
4213 if ((f_capture_mask & 0x3) != 0x3) {
4214 ql_log(ql_log_warn, vha, 0xb03c,
4215 "Minimum required capture mask[0x%x] level not set\n",
4216 f_capture_mask);
4217 goto md_failed;
4218 }
4219 tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
4220
4221 tmplt_hdr->driver_info[0] = vha->host_no;
4222 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
4223 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
4224 QLA_DRIVER_BETA_VER;
4225
4226 total_data_size = ha->md_dump_size;
4227
4228 ql_dbg(ql_dbg_p3p, vha, 0xb03d,
4229 "Total minidump data_size 0x%x to be captured\n", total_data_size);
4230
4231 /* Check whether template obtained is valid */
4232 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
4233 ql_log(ql_log_warn, vha, 0xb04e,
4234 "Bad template header entry type: 0x%x obtained\n",
4235 tmplt_hdr->entry_type);
4236 goto md_failed;
4237 }
4238
4239 entry_hdr = (qla82xx_md_entry_hdr_t *)
4240 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
4241
4242 /* Walk through the entry headers */
4243 for (i = 0; i < no_entry_hdr; i++) {
4244
4245 if (data_collected > total_data_size) {
4246 ql_log(ql_log_warn, vha, 0xb03e,
4247 "More MiniDump data collected: [0x%x]\n",
4248 data_collected);
4249 goto md_failed;
4250 }
4251
4252 if (!(entry_hdr->d_ctrl.entry_capture_mask &
4253 ql2xmdcapmask)) {
4254 entry_hdr->d_ctrl.driver_flags |=
4255 QLA82XX_DBG_SKIPPED_FLAG;
4256 ql_dbg(ql_dbg_p3p, vha, 0xb03f,
4257 "Skipping entry[%d]: "
4258 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4259 i, entry_hdr->entry_type,
4260 entry_hdr->d_ctrl.entry_capture_mask);
4261 goto skip_nxt_entry;
4262 }
4263
4264 ql_dbg(ql_dbg_p3p, vha, 0xb040,
4265 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
4266 "entry_type: 0x%x, capture_mask: 0x%x\n",
4267 __func__, i, data_ptr, entry_hdr,
4268 entry_hdr->entry_type,
4269 entry_hdr->d_ctrl.entry_capture_mask);
4270
4271 ql_dbg(ql_dbg_p3p, vha, 0xb041,
4272 "Data collected: [0x%x], Dump size left:[0x%x]\n",
4273 data_collected, (ha->md_dump_size - data_collected));
4274
4275 /* Decode the entry type and take
4276 * required action to capture debug data */
4277 switch (entry_hdr->entry_type) {
4278 case QLA82XX_RDEND:
4279 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4280 break;
4281 case QLA82XX_CNTRL:
4282 rval = qla82xx_minidump_process_control(vha,
4283 entry_hdr, &data_ptr);
4284 if (rval != QLA_SUCCESS) {
4285 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4286 goto md_failed;
4287 }
4288 break;
4289 case QLA82XX_RDCRB:
4290 qla82xx_minidump_process_rdcrb(vha,
4291 entry_hdr, &data_ptr);
4292 break;
4293 case QLA82XX_RDMEM:
4294 rval = qla82xx_minidump_process_rdmem(vha,
4295 entry_hdr, &data_ptr);
4296 if (rval != QLA_SUCCESS) {
4297 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4298 goto md_failed;
4299 }
4300 break;
4301 case QLA82XX_BOARD:
4302 case QLA82XX_RDROM:
4303 qla82xx_minidump_process_rdrom(vha,
4304 entry_hdr, &data_ptr);
4305 break;
4306 case QLA82XX_L2DTG:
4307 case QLA82XX_L2ITG:
4308 case QLA82XX_L2DAT:
4309 case QLA82XX_L2INS:
4310 rval = qla82xx_minidump_process_l2tag(vha,
4311 entry_hdr, &data_ptr);
4312 if (rval != QLA_SUCCESS) {
4313 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4314 goto md_failed;
4315 }
4316 break;
4317 case QLA82XX_L1DAT:
4318 case QLA82XX_L1INS:
4319 qla82xx_minidump_process_l1cache(vha,
4320 entry_hdr, &data_ptr);
4321 break;
4322 case QLA82XX_RDOCM:
4323 qla82xx_minidump_process_rdocm(vha,
4324 entry_hdr, &data_ptr);
4325 break;
4326 case QLA82XX_RDMUX:
4327 qla82xx_minidump_process_rdmux(vha,
4328 entry_hdr, &data_ptr);
4329 break;
4330 case QLA82XX_QUEUE:
4331 qla82xx_minidump_process_queue(vha,
4332 entry_hdr, &data_ptr);
4333 break;
4334 case QLA82XX_RDNOP:
4335 default:
4336 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4337 break;
4338 }
4339
4340 ql_dbg(ql_dbg_p3p, vha, 0xb042,
4341 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
4342
4343 data_collected = (uint8_t *)data_ptr -
4344 (uint8_t *)ha->md_dump;
4345 skip_nxt_entry:
4346 entry_hdr = (qla82xx_md_entry_hdr_t *)
4347 (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
4348 }
4349
4350 if (data_collected != total_data_size) {
4351 ql_dbg(ql_dbg_p3p, vha, 0xb043,
4352 "MiniDump data mismatch: Data collected: [0x%x],"
4353 "total_data_size:[0x%x]\n",
4354 data_collected, total_data_size);
4355 goto md_failed;
4356 }
4357
4358 ql_log(ql_log_info, vha, 0xb044,
4359 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
4360 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
4361 ha->fw_dumped = 1;
4362 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
4363
4364 md_failed:
4365 return rval;
4366 }
4367
4368 int
4369 qla82xx_md_alloc(scsi_qla_host_t *vha)
4370 {
4371 struct qla_hw_data *ha = vha->hw;
4372 int i, k;
4373 struct qla82xx_md_template_hdr *tmplt_hdr;
4374
4375 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4376
4377 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
4378 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
4379 ql_log(ql_log_info, vha, 0xb045,
4380 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
4381 ql2xmdcapmask);
4382 }
4383
4384 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
4385 if (i & ql2xmdcapmask)
4386 ha->md_dump_size += tmplt_hdr->capture_size_array[k];
4387 }
4388
4389 if (ha->md_dump) {
4390 ql_log(ql_log_warn, vha, 0xb046,
4391 "Firmware dump previously allocated.\n");
4392 return 1;
4393 }
4394
4395 ha->md_dump = vmalloc(ha->md_dump_size);
4396 if (ha->md_dump == NULL) {
4397 ql_log(ql_log_warn, vha, 0xb047,
4398 "Unable to allocate memory for Minidump size "
4399 "(0x%x).\n", ha->md_dump_size);
4400 return 1;
4401 }
4402 return 0;
4403 }
4404
4405 void
4406 qla82xx_md_free(scsi_qla_host_t *vha)
4407 {
4408 struct qla_hw_data *ha = vha->hw;
4409
4410 /* Release the template header allocated */
4411 if (ha->md_tmplt_hdr) {
4412 ql_log(ql_log_info, vha, 0xb048,
4413 "Free MiniDump template: %p, size (%d KB)\n",
4414 ha->md_tmplt_hdr, ha->md_template_size / 1024);
4415 dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
4416 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4417 ha->md_tmplt_hdr = NULL;
4418 }
4419
4420 /* Release the template data buffer allocated */
4421 if (ha->md_dump) {
4422 ql_log(ql_log_info, vha, 0xb049,
4423 "Free MiniDump memory: %p, size (%d KB)\n",
4424 ha->md_dump, ha->md_dump_size / 1024);
4425 vfree(ha->md_dump);
4426 ha->md_dump_size = 0;
4427 ha->md_dump = NULL;
4428 }
4429 }
4430
4431 void
4432 qla82xx_md_prep(scsi_qla_host_t *vha)
4433 {
4434 struct qla_hw_data *ha = vha->hw;
4435 int rval;
4436
4437 /* Get Minidump template size */
4438 rval = qla82xx_md_get_template_size(vha);
4439 if (rval == QLA_SUCCESS) {
4440 ql_log(ql_log_info, vha, 0xb04a,
4441 "MiniDump Template size obtained (%d KB)\n",
4442 ha->md_template_size / 1024);
4443
4444 /* Get Minidump template */
4445 if (IS_QLA8044(ha))
4446 rval = qla8044_md_get_template(vha);
4447 else
4448 rval = qla82xx_md_get_template(vha);
4449
4450 if (rval == QLA_SUCCESS) {
4451 ql_dbg(ql_dbg_p3p, vha, 0xb04b,
4452 "MiniDump Template obtained\n");
4453
4454 /* Allocate memory for minidump */
4455 rval = qla82xx_md_alloc(vha);
4456 if (rval == QLA_SUCCESS)
4457 ql_log(ql_log_info, vha, 0xb04c,
4458 "MiniDump memory allocated (%d KB)\n",
4459 ha->md_dump_size / 1024);
4460 else {
4461 ql_log(ql_log_info, vha, 0xb04d,
4462 "Free MiniDump template: %p, size: (%d KB)\n",
4463 ha->md_tmplt_hdr,
4464 ha->md_template_size / 1024);
4465 dma_free_coherent(&ha->pdev->dev,
4466 ha->md_template_size,
4467 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4468 ha->md_tmplt_hdr = NULL;
4469 }
4470
4471 }
4472 }
4473 }
4474
4475 int
4476 qla82xx_beacon_on(struct scsi_qla_host *vha)
4477 {
4478
4479 int rval;
4480 struct qla_hw_data *ha = vha->hw;
4481
4482 qla82xx_idc_lock(ha);
4483 rval = qla82xx_mbx_beacon_ctl(vha, 1);
4484
4485 if (rval) {
4486 ql_log(ql_log_warn, vha, 0xb050,
4487 "mbx set led config failed in %s\n", __func__);
4488 goto exit;
4489 }
4490 ha->beacon_blink_led = 1;
4491 exit:
4492 qla82xx_idc_unlock(ha);
4493 return rval;
4494 }
4495
4496 int
4497 qla82xx_beacon_off(struct scsi_qla_host *vha)
4498 {
4499
4500 int rval;
4501 struct qla_hw_data *ha = vha->hw;
4502
4503 qla82xx_idc_lock(ha);
4504 rval = qla82xx_mbx_beacon_ctl(vha, 0);
4505
4506 if (rval) {
4507 ql_log(ql_log_warn, vha, 0xb051,
4508 "mbx set led config failed in %s\n", __func__);
4509 goto exit;
4510 }
4511 ha->beacon_blink_led = 0;
4512 exit:
4513 qla82xx_idc_unlock(ha);
4514 return rval;
4515 }
4516
4517 void
4518 qla82xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
4519 {
4520 struct qla_hw_data *ha = vha->hw;
4521
4522 if (!ha->allow_cna_fw_dump)
4523 return;
4524
4525 scsi_block_requests(vha->host);
4526 ha->flags.isp82xx_no_md_cap = 1;
4527 qla82xx_idc_lock(ha);
4528 qla82xx_set_reset_owner(vha);
4529 qla82xx_idc_unlock(ha);
4530 qla2x00_wait_for_chip_reset(vha);
4531 scsi_unblock_requests(vha->host);
4532 }
Linux with added FPC-III support