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[SCSI] qla2xxx: Remove unneeded DPC wakeups from qla82xx_watchdog.
[linux-block.git] / drivers / scsi / qla2xxx / qla_nx.c
CommitLineData
a9083016
GM		 1/*
2 * QLogic Fibre Channel HBA Driver
07e264b7 3 * Copyright (c) 2003-2011 QLogic Corporation
a9083016
GM		 4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7#include "qla_def.h"
8#include <linux/delay.h>
9#include <linux/pci.h>
08de2844
GM		 10#include <linux/ratelimit.h>
11#include <linux/vmalloc.h>
ff2fc42e 12#include <scsi/scsi_tcq.h>
a9083016
GM		 13
14#define MASK(n) ((1ULL<<(n))-1)
15#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
16 ((addr >> 25) & 0x3ff))
17#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \
18 ((addr >> 25) & 0x3ff))
19#define MS_WIN(addr) (addr & 0x0ffc0000)
20#define QLA82XX_PCI_MN_2M (0)
21#define QLA82XX_PCI_MS_2M (0x80000)
22#define QLA82XX_PCI_OCM0_2M (0xc0000)
23#define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
24#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
0547fb37 25#define BLOCK_PROTECT_BITS 0x0F
a9083016
GM		 26
27/* CRB window related */
28#define CRB_BLK(off) ((off >> 20) & 0x3f)
29#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
30#define CRB_WINDOW_2M (0x130060)
31#define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
32#define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
33 ((off) & 0xf0000))
34#define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
35#define CRB_INDIRECT_2M (0x1e0000UL)
36
a9083016
GM		 37#define MAX_CRB_XFORM 60
38static unsigned long crb_addr_xform[MAX_CRB_XFORM];
39int qla82xx_crb_table_initialized;
40
41#define qla82xx_crb_addr_transform(name) \
42 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
43 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
44
45static void qla82xx_crb_addr_transform_setup(void)
46{
47 qla82xx_crb_addr_transform(XDMA);
48 qla82xx_crb_addr_transform(TIMR);
49 qla82xx_crb_addr_transform(SRE);
50 qla82xx_crb_addr_transform(SQN3);
51 qla82xx_crb_addr_transform(SQN2);
52 qla82xx_crb_addr_transform(SQN1);
53 qla82xx_crb_addr_transform(SQN0);
54 qla82xx_crb_addr_transform(SQS3);
55 qla82xx_crb_addr_transform(SQS2);
56 qla82xx_crb_addr_transform(SQS1);
57 qla82xx_crb_addr_transform(SQS0);
58 qla82xx_crb_addr_transform(RPMX7);
59 qla82xx_crb_addr_transform(RPMX6);
60 qla82xx_crb_addr_transform(RPMX5);
61 qla82xx_crb_addr_transform(RPMX4);
62 qla82xx_crb_addr_transform(RPMX3);
63 qla82xx_crb_addr_transform(RPMX2);
64 qla82xx_crb_addr_transform(RPMX1);
65 qla82xx_crb_addr_transform(RPMX0);
66 qla82xx_crb_addr_transform(ROMUSB);
67 qla82xx_crb_addr_transform(SN);
68 qla82xx_crb_addr_transform(QMN);
69 qla82xx_crb_addr_transform(QMS);
70 qla82xx_crb_addr_transform(PGNI);
71 qla82xx_crb_addr_transform(PGND);
72 qla82xx_crb_addr_transform(PGN3);
73 qla82xx_crb_addr_transform(PGN2);
74 qla82xx_crb_addr_transform(PGN1);
75 qla82xx_crb_addr_transform(PGN0);
76 qla82xx_crb_addr_transform(PGSI);
77 qla82xx_crb_addr_transform(PGSD);
78 qla82xx_crb_addr_transform(PGS3);
79 qla82xx_crb_addr_transform(PGS2);
80 qla82xx_crb_addr_transform(PGS1);
81 qla82xx_crb_addr_transform(PGS0);
82 qla82xx_crb_addr_transform(PS);
83 qla82xx_crb_addr_transform(PH);
84 qla82xx_crb_addr_transform(NIU);
85 qla82xx_crb_addr_transform(I2Q);
86 qla82xx_crb_addr_transform(EG);
87 qla82xx_crb_addr_transform(MN);
88 qla82xx_crb_addr_transform(MS);
89 qla82xx_crb_addr_transform(CAS2);
90 qla82xx_crb_addr_transform(CAS1);
91 qla82xx_crb_addr_transform(CAS0);
92 qla82xx_crb_addr_transform(CAM);
93 qla82xx_crb_addr_transform(C2C1);
94 qla82xx_crb_addr_transform(C2C0);
95 qla82xx_crb_addr_transform(SMB);
96 qla82xx_crb_addr_transform(OCM0);
97 /*
98 * Used only in P3 just define it for P2 also.
99 */
100 qla82xx_crb_addr_transform(I2C0);
101
102 qla82xx_crb_table_initialized = 1;
103}
104
105struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
106 {{{0, 0, 0, 0} } },
107 {{{1, 0x0100000, 0x0102000, 0x120000},
108 {1, 0x0110000, 0x0120000, 0x130000},
109 {1, 0x0120000, 0x0122000, 0x124000},
110 {1, 0x0130000, 0x0132000, 0x126000},
111 {1, 0x0140000, 0x0142000, 0x128000},
112 {1, 0x0150000, 0x0152000, 0x12a000},
113 {1, 0x0160000, 0x0170000, 0x110000},
114 {1, 0x0170000, 0x0172000, 0x12e000},
115 {0, 0x0000000, 0x0000000, 0x000000},
116 {0, 0x0000000, 0x0000000, 0x000000},
117 {0, 0x0000000, 0x0000000, 0x000000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {1, 0x01e0000, 0x01e0800, 0x122000},
122 {0, 0x0000000, 0x0000000, 0x000000} } } ,
123 {{{1, 0x0200000, 0x0210000, 0x180000} } },
124 {{{0, 0, 0, 0} } },
125 {{{1, 0x0400000, 0x0401000, 0x169000} } },
126 {{{1, 0x0500000, 0x0510000, 0x140000} } },
127 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
128 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
129 {{{1, 0x0800000, 0x0802000, 0x170000},
130 {0, 0x0000000, 0x0000000, 0x000000},
131 {0, 0x0000000, 0x0000000, 0x000000},
132 {0, 0x0000000, 0x0000000, 0x000000},
133 {0, 0x0000000, 0x0000000, 0x000000},
134 {0, 0x0000000, 0x0000000, 0x000000},
135 {0, 0x0000000, 0x0000000, 0x000000},
136 {0, 0x0000000, 0x0000000, 0x000000},
137 {0, 0x0000000, 0x0000000, 0x000000},
138 {0, 0x0000000, 0x0000000, 0x000000},
139 {0, 0x0000000, 0x0000000, 0x000000},
140 {0, 0x0000000, 0x0000000, 0x000000},
141 {0, 0x0000000, 0x0000000, 0x000000},
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {0, 0x0000000, 0x0000000, 0x000000},
144 {1, 0x08f0000, 0x08f2000, 0x172000} } },
145 {{{1, 0x0900000, 0x0902000, 0x174000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {0, 0x0000000, 0x0000000, 0x000000},
148 {0, 0x0000000, 0x0000000, 0x000000},
149 {0, 0x0000000, 0x0000000, 0x000000},
150 {0, 0x0000000, 0x0000000, 0x000000},
151 {0, 0x0000000, 0x0000000, 0x000000},
152 {0, 0x0000000, 0x0000000, 0x000000},
153 {0, 0x0000000, 0x0000000, 0x000000},
154 {0, 0x0000000, 0x0000000, 0x000000},
155 {0, 0x0000000, 0x0000000, 0x000000},
156 {0, 0x0000000, 0x0000000, 0x000000},
157 {0, 0x0000000, 0x0000000, 0x000000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {1, 0x09f0000, 0x09f2000, 0x176000} } },
161 {{{0, 0x0a00000, 0x0a02000, 0x178000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000},
167 {0, 0x0000000, 0x0000000, 0x000000},
168 {0, 0x0000000, 0x0000000, 0x000000},
169 {0, 0x0000000, 0x0000000, 0x000000},
170 {0, 0x0000000, 0x0000000, 0x000000},
171 {0, 0x0000000, 0x0000000, 0x000000},
172 {0, 0x0000000, 0x0000000, 0x000000},
173 {0, 0x0000000, 0x0000000, 0x000000},
174 {0, 0x0000000, 0x0000000, 0x000000},
175 {0, 0x0000000, 0x0000000, 0x000000},
176 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
177 {{{0, 0x0b00000, 0x0b02000, 0x17c000},
178 {0, 0x0000000, 0x0000000, 0x000000},
179 {0, 0x0000000, 0x0000000, 0x000000},
180 {0, 0x0000000, 0x0000000, 0x000000},
181 {0, 0x0000000, 0x0000000, 0x000000},
182 {0, 0x0000000, 0x0000000, 0x000000},
183 {0, 0x0000000, 0x0000000, 0x000000},
184 {0, 0x0000000, 0x0000000, 0x000000},
185 {0, 0x0000000, 0x0000000, 0x000000},
186 {0, 0x0000000, 0x0000000, 0x000000},
187 {0, 0x0000000, 0x0000000, 0x000000},
188 {0, 0x0000000, 0x0000000, 0x000000},
189 {0, 0x0000000, 0x0000000, 0x000000},
190 {0, 0x0000000, 0x0000000, 0x000000},
191 {0, 0x0000000, 0x0000000, 0x000000},
192 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
193 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
194 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
195 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
196 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
197 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
198 {{{1, 0x1100000, 0x1101000, 0x160000} } },
199 {{{1, 0x1200000, 0x1201000, 0x161000} } },
200 {{{1, 0x1300000, 0x1301000, 0x162000} } },
201 {{{1, 0x1400000, 0x1401000, 0x163000} } },
202 {{{1, 0x1500000, 0x1501000, 0x165000} } },
203 {{{1, 0x1600000, 0x1601000, 0x166000} } },
204 {{{0, 0, 0, 0} } },
205 {{{0, 0, 0, 0} } },
206 {{{0, 0, 0, 0} } },
207 {{{0, 0, 0, 0} } },
208 {{{0, 0, 0, 0} } },
209 {{{0, 0, 0, 0} } },
210 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
211 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
212 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
213 {{{0} } },
214 {{{1, 0x2100000, 0x2102000, 0x120000},
215 {1, 0x2110000, 0x2120000, 0x130000},
216 {1, 0x2120000, 0x2122000, 0x124000},
217 {1, 0x2130000, 0x2132000, 0x126000},
218 {1, 0x2140000, 0x2142000, 0x128000},
219 {1, 0x2150000, 0x2152000, 0x12a000},
220 {1, 0x2160000, 0x2170000, 0x110000},
221 {1, 0x2170000, 0x2172000, 0x12e000},
222 {0, 0x0000000, 0x0000000, 0x000000},
223 {0, 0x0000000, 0x0000000, 0x000000},
224 {0, 0x0000000, 0x0000000, 0x000000},
225 {0, 0x0000000, 0x0000000, 0x000000},
226 {0, 0x0000000, 0x0000000, 0x000000},
227 {0, 0x0000000, 0x0000000, 0x000000},
228 {0, 0x0000000, 0x0000000, 0x000000},
229 {0, 0x0000000, 0x0000000, 0x000000} } },
230 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
231 {{{0} } },
232 {{{0} } },
233 {{{0} } },
234 {{{0} } },
235 {{{0} } },
236 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
237 {{{1, 0x2900000, 0x2901000, 0x16b000} } },
238 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
239 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
240 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
241 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
242 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
243 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
244 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
245 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
246 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
247 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
248 {{{0} } },
249 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
250 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
251 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
252 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
253 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
254 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
255 {{{0} } },
256 {{{0} } },
257 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
258 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
259 {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
260};
261
262/*
263 * top 12 bits of crb internal address (hub, agent)
264 */
265unsigned qla82xx_crb_hub_agt[64] = {
266 0,
267 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
268 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
269 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
270 0,
271 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
272 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
273 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
275 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
276 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
277 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
293 0,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
296 0,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
298 0,
299 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
300 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
301 0,
302 0,
303 0,
304 0,
305 0,
306 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
307 0,
308 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
309 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
310 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
311 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
312 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
313 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
318 0,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
323 0,
324 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
325 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
326 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
327 0,
328 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
329 0,
330};
331
f1af6208 332/* Device states */
08de2844 333char *q_dev_state[] = {
f1af6208
GM		 334 "Unknown",
335 "Cold",
336 "Initializing",
337 "Ready",
338 "Need Reset",
339 "Need Quiescent",
340 "Failed",
341 "Quiescent",
342};
343
08de2844
GM		 344char *qdev_state(uint32_t dev_state)
345{
346 return q_dev_state[dev_state];
347}
348
a9083016
GM		 349/*
350 * In: 'off' is offset from CRB space in 128M pci map
351 * Out: 'off' is 2M pci map addr
352 * side effect: lock crb window
353 */
354static void
355qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off)
356{
357 u32 win_read;
7c3df132 358 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 359
360 ha->crb_win = CRB_HI(*off);
361 writel(ha->crb_win,
362 (void *)(CRB_WINDOW_2M + ha->nx_pcibase));
363
364 /* Read back value to make sure write has gone through before trying
365 * to use it.
366 */
367 win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
368 if (win_read != ha->crb_win) {
7c3df132
SK		 369 ql_dbg(ql_dbg_p3p, vha, 0xb000,
370 "%s: Written crbwin (0x%x) "
371 "!= Read crbwin (0x%x), off=0x%lx.\n",
d8424f68 372 __func__, ha->crb_win, win_read, *off);
a9083016
GM		 373 }
374 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
375}
376
377static inline unsigned long
378qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
379{
7c3df132 380 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 381 /* See if we are currently pointing to the region we want to use next */
382 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
383 /* No need to change window. PCIX and PCIEregs are in both
384 * regs are in both windows.
385 */
386 return off;
387 }
388
389 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
390 /* We are in first CRB window */
391 if (ha->curr_window != 0)
392 WARN_ON(1);
393 return off;
394 }
395
396 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
397 /* We are in second CRB window */
398 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
399
400 if (ha->curr_window != 1)
401 return off;
402
403 /* We are in the QM or direct access
404 * register region - do nothing
405 */
406 if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
407 (off < QLA82XX_PCI_CAMQM_MAX))
408 return off;
409 }
410 /* strange address given */
7c3df132 411 ql_dbg(ql_dbg_p3p, vha, 0xb001,
d8424f68 412 "%s: Warning: unm_nic_pci_set_crbwindow "
7c3df132
SK		 413 "called with an unknown address(%llx).\n",
414 QLA2XXX_DRIVER_NAME, off);
a9083016
GM		 415 return off;
416}
417
77e334d2
GM		 418static int
419qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off)
420{
421 struct crb_128M_2M_sub_block_map *m;
422
423 if (*off >= QLA82XX_CRB_MAX)
424 return -1;
425
426 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
427 *off = (*off - QLA82XX_PCI_CAMQM) +
428 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
429 return 0;
430 }
431
432 if (*off < QLA82XX_PCI_CRBSPACE)
433 return -1;
434
435 *off -= QLA82XX_PCI_CRBSPACE;
436
437 /* Try direct map */
438 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
439
440 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
441 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
442 return 0;
443 }
444 /* Not in direct map, use crb window */
445 return 1;
446}
447
448#define CRB_WIN_LOCK_TIMEOUT 100000000
449static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
450{
451 int done = 0, timeout = 0;
452
453 while (!done) {
454 /* acquire semaphore3 from PCI HW block */
455 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
456 if (done == 1)
457 break;
458 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
459 return -1;
460 timeout++;
461 }
462 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
463 return 0;
464}
465
a9083016
GM		 466int
467qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data)
468{
469 unsigned long flags = 0;
470 int rv;
471
472 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
473
474 BUG_ON(rv == -1);
475
476 if (rv == 1) {
477 write_lock_irqsave(&ha->hw_lock, flags);
478 qla82xx_crb_win_lock(ha);
479 qla82xx_pci_set_crbwindow_2M(ha, &off);
480 }
481
482 writel(data, (void __iomem *)off);
483
484 if (rv == 1) {
485 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
486 write_unlock_irqrestore(&ha->hw_lock, flags);
487 }
488 return 0;
489}
490
491int
492qla82xx_rd_32(struct qla_hw_data *ha, ulong off)
493{
494 unsigned long flags = 0;
495 int rv;
496 u32 data;
497
498 rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
499
500 BUG_ON(rv == -1);
501
502 if (rv == 1) {
503 write_lock_irqsave(&ha->hw_lock, flags);
504 qla82xx_crb_win_lock(ha);
505 qla82xx_pci_set_crbwindow_2M(ha, &off);
506 }
507 data = RD_REG_DWORD((void __iomem *)off);
508
509 if (rv == 1) {
510 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
511 write_unlock_irqrestore(&ha->hw_lock, flags);
512 }
513 return data;
514}
515
a9083016
GM		 516#define IDC_LOCK_TIMEOUT 100000000
517int qla82xx_idc_lock(struct qla_hw_data *ha)
518{
519 int i;
520 int done = 0, timeout = 0;
521
522 while (!done) {
523 /* acquire semaphore5 from PCI HW block */
524 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
525 if (done == 1)
526 break;
527 if (timeout >= IDC_LOCK_TIMEOUT)
528 return -1;
529
530 timeout++;
531
532 /* Yield CPU */
533 if (!in_interrupt())
534 schedule();
535 else {
536 for (i = 0; i < 20; i++)
537 cpu_relax();
538 }
539 }
540
541 return 0;
542}
543
544void qla82xx_idc_unlock(struct qla_hw_data *ha)
545{
546 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
547}
548
a9083016
GM		 549/* PCI Windowing for DDR regions. */
550#define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
551 (((addr) <= (high)) && ((addr) >= (low)))
552/*
553 * check memory access boundary.
554 * used by test agent. support ddr access only for now
555 */
556static unsigned long
557qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
558 unsigned long long addr, int size)
559{
560 if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
561 QLA82XX_ADDR_DDR_NET_MAX) ||
562 !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET,
563 QLA82XX_ADDR_DDR_NET_MAX) ||
564 ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
565 return 0;
566 else
567 return 1;
568}
569
570int qla82xx_pci_set_window_warning_count;
571
77e334d2 572static unsigned long
a9083016
GM		 573qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
574{
575 int window;
576 u32 win_read;
7c3df132 577 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 578
579 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
580 QLA82XX_ADDR_DDR_NET_MAX)) {
581 /* DDR network side */
582 window = MN_WIN(addr);
583 ha->ddr_mn_window = window;
584 qla82xx_wr_32(ha,
585 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
586 win_read = qla82xx_rd_32(ha,
587 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
588 if ((win_read << 17) != window) {
7c3df132
SK		 589 ql_dbg(ql_dbg_p3p, vha, 0xb003,
590 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
a9083016
GM		 591 __func__, window, win_read);
592 }
593 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
594 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
595 QLA82XX_ADDR_OCM0_MAX)) {
596 unsigned int temp1;
597 if ((addr & 0x00ff800) == 0xff800) {
7c3df132 598 ql_log(ql_log_warn, vha, 0xb004,
a9083016
GM		 599 "%s: QM access not handled.\n", __func__);
600 addr = -1UL;
601 }
602 window = OCM_WIN(addr);
603 ha->ddr_mn_window = window;
604 qla82xx_wr_32(ha,
605 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
606 win_read = qla82xx_rd_32(ha,
607 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
608 temp1 = ((window & 0x1FF) << 7) |
609 ((window & 0x0FFFE0000) >> 17);
610 if (win_read != temp1) {
7c3df132
SK		 611 ql_log(ql_log_warn, vha, 0xb005,
612 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
a9083016
GM		 613 __func__, temp1, win_read);
614 }
615 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
616
617 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
618 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
619 /* QDR network side */
620 window = MS_WIN(addr);
621 ha->qdr_sn_window = window;
622 qla82xx_wr_32(ha,
623 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
624 win_read = qla82xx_rd_32(ha,
625 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
626 if (win_read != window) {
7c3df132
SK		 627 ql_log(ql_log_warn, vha, 0xb006,
628 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
a9083016
GM		 629 __func__, window, win_read);
630 }
631 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
632 } else {
633 /*
634 * peg gdb frequently accesses memory that doesn't exist,
635 * this limits the chit chat so debugging isn't slowed down.
636 */
637 if ((qla82xx_pci_set_window_warning_count++ < 8) ||
638 (qla82xx_pci_set_window_warning_count%64 == 0)) {
7c3df132
SK		 639 ql_log(ql_log_warn, vha, 0xb007,
640 "%s: Warning:%s Unknown address range!.\n",
641 __func__, QLA2XXX_DRIVER_NAME);
a9083016
GM		 642 }
643 addr = -1UL;
644 }
645 return addr;
646}
647
648/* check if address is in the same windows as the previous access */
649static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
650 unsigned long long addr)
651{
652 int window;
653 unsigned long long qdr_max;
654
655 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
656
657 /* DDR network side */
658 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
659 QLA82XX_ADDR_DDR_NET_MAX))
660 BUG();
661 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
662 QLA82XX_ADDR_OCM0_MAX))
663 return 1;
664 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
665 QLA82XX_ADDR_OCM1_MAX))
666 return 1;
667 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
668 /* QDR network side */
669 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
670 if (ha->qdr_sn_window == window)
671 return 1;
672 }
673 return 0;
674}
675
676static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
677 u64 off, void *data, int size)
678{
679 unsigned long flags;
f1af6208 680 void *addr = NULL;
a9083016
GM		 681 int ret = 0;
682 u64 start;
683 uint8_t *mem_ptr = NULL;
684 unsigned long mem_base;
685 unsigned long mem_page;
7c3df132 686 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 687
688 write_lock_irqsave(&ha->hw_lock, flags);
689
690 /*
691 * If attempting to access unknown address or straddle hw windows,
692 * do not access.
693 */
694 start = qla82xx_pci_set_window(ha, off);
695 if ((start == -1UL) ||
696 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
697 write_unlock_irqrestore(&ha->hw_lock, flags);
7c3df132
SK		 698 ql_log(ql_log_fatal, vha, 0xb008,
699 "%s out of bound pci memory "
700 "access, offset is 0x%llx.\n",
701 QLA2XXX_DRIVER_NAME, off);
a9083016
GM		 702 return -1;
703 }
704
f1af6208
GM		 705 write_unlock_irqrestore(&ha->hw_lock, flags);
706 mem_base = pci_resource_start(ha->pdev, 0);
707 mem_page = start & PAGE_MASK;
708 /* Map two pages whenever user tries to access addresses in two
709 * consecutive pages.
710 */
711 if (mem_page != ((start + size - 1) & PAGE_MASK))
712 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
713 else
714 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
715 if (mem_ptr == 0UL) {
716 *(u8 *)data = 0;
717 return -1;
a9083016 718 }
f1af6208
GM		 719 addr = mem_ptr;
720 addr += start & (PAGE_SIZE - 1);
721 write_lock_irqsave(&ha->hw_lock, flags);
a9083016
GM		 722
723 switch (size) {
724 case 1:
725 *(u8 *)data = readb(addr);
726 break;
727 case 2:
728 *(u16 *)data = readw(addr);
729 break;
730 case 4:
731 *(u32 *)data = readl(addr);
732 break;
733 case 8:
734 *(u64 *)data = readq(addr);
735 break;
736 default:
737 ret = -1;
738 break;
739 }
740 write_unlock_irqrestore(&ha->hw_lock, flags);
741
742 if (mem_ptr)
743 iounmap(mem_ptr);
744 return ret;
745}
746
747static int
748qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
749 u64 off, void *data, int size)
750{
751 unsigned long flags;
f1af6208 752 void *addr = NULL;
a9083016
GM		 753 int ret = 0;
754 u64 start;
755 uint8_t *mem_ptr = NULL;
756 unsigned long mem_base;
757 unsigned long mem_page;
7c3df132 758 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 759
760 write_lock_irqsave(&ha->hw_lock, flags);
761
762 /*
763 * If attempting to access unknown address or straddle hw windows,
764 * do not access.
765 */
766 start = qla82xx_pci_set_window(ha, off);
767 if ((start == -1UL) ||
768 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
769 write_unlock_irqrestore(&ha->hw_lock, flags);
7c3df132
SK		 770 ql_log(ql_log_fatal, vha, 0xb009,
771 "%s out of bount memory "
772 "access, offset is 0x%llx.\n",
773 QLA2XXX_DRIVER_NAME, off);
a9083016
GM		 774 return -1;
775 }
776
f1af6208
GM		 777 write_unlock_irqrestore(&ha->hw_lock, flags);
778 mem_base = pci_resource_start(ha->pdev, 0);
779 mem_page = start & PAGE_MASK;
780 /* Map two pages whenever user tries to access addresses in two
781 * consecutive pages.
782 */
783 if (mem_page != ((start + size - 1) & PAGE_MASK))
784 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
785 else
786 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
787 if (mem_ptr == 0UL)
788 return -1;
a9083016 789
f1af6208
GM		 790 addr = mem_ptr;
791 addr += start & (PAGE_SIZE - 1);
792 write_lock_irqsave(&ha->hw_lock, flags);
a9083016
GM		 793
794 switch (size) {
795 case 1:
796 writeb(*(u8 *)data, addr);
797 break;
798 case 2:
799 writew(*(u16 *)data, addr);
800 break;
801 case 4:
802 writel(*(u32 *)data, addr);
803 break;
804 case 8:
805 writeq(*(u64 *)data, addr);
806 break;
807 default:
808 ret = -1;
809 break;
810 }
811 write_unlock_irqrestore(&ha->hw_lock, flags);
812 if (mem_ptr)
813 iounmap(mem_ptr);
814 return ret;
815}
816
a9083016 817#define MTU_FUDGE_FACTOR 100
77e334d2
GM		 818static unsigned long
819qla82xx_decode_crb_addr(unsigned long addr)
a9083016
GM		 820{
821 int i;
822 unsigned long base_addr, offset, pci_base;
823
824 if (!qla82xx_crb_table_initialized)
825 qla82xx_crb_addr_transform_setup();
826
827 pci_base = ADDR_ERROR;
828 base_addr = addr & 0xfff00000;
829 offset = addr & 0x000fffff;
830
831 for (i = 0; i < MAX_CRB_XFORM; i++) {
832 if (crb_addr_xform[i] == base_addr) {
833 pci_base = i << 20;
834 break;
835 }
836 }
837 if (pci_base == ADDR_ERROR)
838 return pci_base;
839 return pci_base + offset;
840}
841
842static long rom_max_timeout = 100;
843static long qla82xx_rom_lock_timeout = 100;
844
77e334d2 845static int
a9083016
GM		 846qla82xx_rom_lock(struct qla_hw_data *ha)
847{
848 int done = 0, timeout = 0;
849
850 while (!done) {
851 /* acquire semaphore2 from PCI HW block */
852 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
853 if (done == 1)
854 break;
855 if (timeout >= qla82xx_rom_lock_timeout)
856 return -1;
857 timeout++;
858 }
859 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
860 return 0;
861}
862
d652e093
CD		 863static void
864qla82xx_rom_unlock(struct qla_hw_data *ha)
865{
866 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
867}
868
77e334d2 869static int
a9083016
GM		 870qla82xx_wait_rom_busy(struct qla_hw_data *ha)
871{
872 long timeout = 0;
873 long done = 0 ;
7c3df132 874 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 875
876 while (done == 0) {
877 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
878 done &= 4;
879 timeout++;
880 if (timeout >= rom_max_timeout) {
7c3df132
SK		 881 ql_dbg(ql_dbg_p3p, vha, 0xb00a,
882 "%s: Timeout reached waiting for rom busy.\n",
883 QLA2XXX_DRIVER_NAME);
a9083016
GM		 884 return -1;
885 }
886 }
887 return 0;
888}
889
77e334d2 890static int
a9083016
GM		 891qla82xx_wait_rom_done(struct qla_hw_data *ha)
892{
893 long timeout = 0;
894 long done = 0 ;
7c3df132 895 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 896
897 while (done == 0) {
898 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
899 done &= 2;
900 timeout++;
901 if (timeout >= rom_max_timeout) {
7c3df132
SK		 902 ql_dbg(ql_dbg_p3p, vha, 0xb00b,
903 "%s: Timeout reached waiting for rom done.\n",
904 QLA2XXX_DRIVER_NAME);
a9083016
GM		 905 return -1;
906 }
907 }
908 return 0;
909}
910
2b29d96d
CD		 911int
912qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
913{
914 uint32_t off_value, rval = 0;
915
916 WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase),
917 (off & 0xFFFF0000));
918
919 /* Read back value to make sure write has gone through */
920 RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
921 off_value = (off & 0x0000FFFF);
922
923 if (flag)
924 WRT_REG_DWORD((void *)
925 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase),
926 data);
927 else
928 rval = RD_REG_DWORD((void *)
929 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase));
930
931 return rval;
932}
933
77e334d2 934static int
a9083016
GM		 935qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
936{
2b29d96d
CD		 937 /* Dword reads to flash. */
938 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1);
939 *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE +
940 (addr & 0x0000FFFF), 0, 0);
7c3df132 941
a9083016
GM		 942 return 0;
943}
944
77e334d2 945static int
a9083016
GM		 946qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
947{
948 int ret, loops = 0;
7c3df132 949 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 950
951 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
952 udelay(100);
953 schedule();
954 loops++;
955 }
956 if (loops >= 50000) {
7c3df132
SK		 957 ql_log(ql_log_fatal, vha, 0x00b9,
958 "Failed to aquire SEM2 lock.\n");
a9083016
GM		 959 return -1;
960 }
961 ret = qla82xx_do_rom_fast_read(ha, addr, valp);
d652e093 962 qla82xx_rom_unlock(ha);
a9083016
GM		 963 return ret;
964}
965
77e334d2 966static int
a9083016
GM		 967qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
968{
7c3df132 969 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 970 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
971 qla82xx_wait_rom_busy(ha);
972 if (qla82xx_wait_rom_done(ha)) {
7c3df132
SK		 973 ql_log(ql_log_warn, vha, 0xb00c,
974 "Error waiting for rom done.\n");
a9083016
GM		 975 return -1;
976 }
977 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
978 return 0;
979}
980
77e334d2 981static int
a9083016
GM		 982qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
983{
984 long timeout = 0;
985 uint32_t done = 1 ;
986 uint32_t val;
987 int ret = 0;
7c3df132 988 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 989
990 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
991 while ((done != 0) && (ret == 0)) {
992 ret = qla82xx_read_status_reg(ha, &val);
993 done = val & 1;
994 timeout++;
995 udelay(10);
996 cond_resched();
997 if (timeout >= 50000) {
7c3df132
SK		 998 ql_log(ql_log_warn, vha, 0xb00d,
999 "Timeout reached waiting for write finish.\n");
a9083016
GM		 1000 return -1;
1001 }
1002 }
1003 return ret;
1004}
1005
77e334d2 1006static int
a9083016
GM		 1007qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
1008{
1009 uint32_t val;
1010 qla82xx_wait_rom_busy(ha);
1011 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1012 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
1013 qla82xx_wait_rom_busy(ha);
1014 if (qla82xx_wait_rom_done(ha))
1015 return -1;
1016 if (qla82xx_read_status_reg(ha, &val) != 0)
1017 return -1;
1018 if ((val & 2) != 2)
1019 return -1;
1020 return 0;
1021}
1022
77e334d2 1023static int
a9083016
GM		 1024qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1025{
7c3df132 1026 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 1027 if (qla82xx_flash_set_write_enable(ha))
1028 return -1;
1029 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1030 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1031 if (qla82xx_wait_rom_done(ha)) {
7c3df132
SK		 1032 ql_log(ql_log_warn, vha, 0xb00e,
1033 "Error waiting for rom done.\n");
a9083016
GM		 1034 return -1;
1035 }
1036 return qla82xx_flash_wait_write_finish(ha);
1037}
1038
77e334d2 1039static int
a9083016
GM		 1040qla82xx_write_disable_flash(struct qla_hw_data *ha)
1041{
7c3df132 1042 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 1043 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1044 if (qla82xx_wait_rom_done(ha)) {
7c3df132
SK		 1045 ql_log(ql_log_warn, vha, 0xb00f,
1046 "Error waiting for rom done.\n");
a9083016
GM		 1047 return -1;
1048 }
1049 return 0;
1050}
1051
77e334d2 1052static int
a9083016
GM		 1053ql82xx_rom_lock_d(struct qla_hw_data *ha)
1054{
1055 int loops = 0;
7c3df132
SK		 1056 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1057
a9083016
GM		 1058 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1059 udelay(100);
1060 cond_resched();
1061 loops++;
1062 }
1063 if (loops >= 50000) {
7c3df132
SK		 1064 ql_log(ql_log_warn, vha, 0xb010,
1065 "ROM lock failed.\n");
a9083016
GM		 1066 return -1;
1067 }
cd6dbb03 1068 return 0;
a9083016
GM		 1069}
1070
77e334d2 1071static int
a9083016
GM		 1072qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1073 uint32_t data)
1074{
1075 int ret = 0;
7c3df132 1076 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 1077
1078 ret = ql82xx_rom_lock_d(ha);
1079 if (ret < 0) {
7c3df132
SK		 1080 ql_log(ql_log_warn, vha, 0xb011,
1081 "ROM lock failed.\n");
a9083016
GM		 1082 return ret;
1083 }
1084
1085 if (qla82xx_flash_set_write_enable(ha))
1086 goto done_write;
1087
1088 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1089 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1090 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1091 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1092 qla82xx_wait_rom_busy(ha);
1093 if (qla82xx_wait_rom_done(ha)) {
7c3df132
SK		 1094 ql_log(ql_log_warn, vha, 0xb012,
1095 "Error waiting for rom done.\n");
a9083016
GM		 1096 ret = -1;
1097 goto done_write;
1098 }
1099
1100 ret = qla82xx_flash_wait_write_finish(ha);
1101
1102done_write:
d652e093 1103 qla82xx_rom_unlock(ha);
a9083016
GM		 1104 return ret;
1105}
1106
1107/* This routine does CRB initialize sequence
1108 * to put the ISP into operational state
1109 */
77e334d2
GM		 1110static int
1111qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
a9083016
GM		 1112{
1113 int addr, val;
1114 int i ;
1115 struct crb_addr_pair *buf;
1116 unsigned long off;
1117 unsigned offset, n;
1118 struct qla_hw_data *ha = vha->hw;
1119
1120 struct crb_addr_pair {
1121 long addr;
1122 long data;
1123 };
1124
1125 /* Halt all the indiviual PEGs and other blocks of the ISP */
1126 qla82xx_rom_lock(ha);
c9e8fd5c 1127
02be2215
GM		 1128 /* disable all I2Q */
1129 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1130 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1131 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1132 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1133 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1134 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1135
1136 /* disable all niu interrupts */
c9e8fd5c
MI		 1137 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1138 /* disable xge rx/tx */
1139 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1140 /* disable xg1 rx/tx */
1141 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
02be2215
GM		 1142 /* disable sideband mac */
1143 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1144 /* disable ap0 mac */
1145 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1146 /* disable ap1 mac */
1147 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
c9e8fd5c
MI		 1148
1149 /* halt sre */
1150 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1151 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1152
1153 /* halt epg */
1154 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1155
1156 /* halt timers */
1157 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1158 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1159 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1160 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1161 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
02be2215 1162 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
c9e8fd5c
MI		 1163
1164 /* halt pegs */
1165 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1166 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1167 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1168 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1169 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
02be2215 1170 msleep(20);
c9e8fd5c
MI		 1171
1172 /* big hammer */
a9083016
GM		 1173 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1174 /* don't reset CAM block on reset */
1175 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1176 else
1177 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
d652e093 1178 qla82xx_rom_unlock(ha);
a9083016
GM		 1179
1180 /* Read the signature value from the flash.
1181 * Offset 0: Contain signature (0xcafecafe)
1182 * Offset 4: Offset and number of addr/value pairs
1183 * that present in CRB initialize sequence
1184 */
1185 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1186 qla82xx_rom_fast_read(ha, 4, &n) != 0) {
7c3df132
SK		 1187 ql_log(ql_log_fatal, vha, 0x006e,
1188 "Error Reading crb_init area: n: %08x.\n", n);
a9083016
GM		 1189 return -1;
1190 }
1191
1192 /* Offset in flash = lower 16 bits
1193 * Number of enteries = upper 16 bits
1194 */
1195 offset = n & 0xffffU;
1196 n = (n >> 16) & 0xffffU;
1197
1198 /* number of addr/value pair should not exceed 1024 enteries */
1199 if (n >= 1024) {
7c3df132
SK		 1200 ql_log(ql_log_fatal, vha, 0x0071,
1201 "Card flash not initialized:n=0x%x.\n", n);
a9083016
GM		 1202 return -1;
1203 }
1204
7c3df132
SK		 1205 ql_log(ql_log_info, vha, 0x0072,
1206 "%d CRB init values found in ROM.\n", n);
a9083016
GM		 1207
1208 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
1209 if (buf == NULL) {
7c3df132
SK		 1210 ql_log(ql_log_fatal, vha, 0x010c,
1211 "Unable to allocate memory.\n");
a9083016
GM		 1212 return -1;
1213 }
1214
1215 for (i = 0; i < n; i++) {
1216 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1217 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1218 kfree(buf);
1219 return -1;
1220 }
1221
1222 buf[i].addr = addr;
1223 buf[i].data = val;
1224 }
1225
1226 for (i = 0; i < n; i++) {
1227 /* Translate internal CRB initialization
1228 * address to PCI bus address
1229 */
1230 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1231 QLA82XX_PCI_CRBSPACE;
1232 /* Not all CRB addr/value pair to be written,
1233 * some of them are skipped
1234 */
1235
1236 /* skipping cold reboot MAGIC */
1237 if (off == QLA82XX_CAM_RAM(0x1fc))
1238 continue;
1239
1240 /* do not reset PCI */
1241 if (off == (ROMUSB_GLB + 0xbc))
1242 continue;
1243
1244 /* skip core clock, so that firmware can increase the clock */
1245 if (off == (ROMUSB_GLB + 0xc8))
1246 continue;
1247
1248 /* skip the function enable register */
1249 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1250 continue;
1251
1252 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1253 continue;
1254
1255 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1256 continue;
1257
1258 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1259 continue;
1260
1261 if (off == ADDR_ERROR) {
7c3df132
SK		 1262 ql_log(ql_log_fatal, vha, 0x0116,
1263 "Unknow addr: 0x%08lx.\n", buf[i].addr);
a9083016
GM		 1264 continue;
1265 }
1266
a9083016
GM		 1267 qla82xx_wr_32(ha, off, buf[i].data);
1268
1269 /* ISP requires much bigger delay to settle down,
1270 * else crb_window returns 0xffffffff
1271 */
1272 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1273 msleep(1000);
1274
1275 /* ISP requires millisec delay between
1276 * successive CRB register updation
1277 */
1278 msleep(1);
1279 }
1280
1281 kfree(buf);
1282
1283 /* Resetting the data and instruction cache */
1284 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1285 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1286 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1287
1288 /* Clear all protocol processing engines */
1289 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1290 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1291 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1292 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1293 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1294 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1295 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1296 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1297 return 0;
1298}
1299
77e334d2
GM		 1300static int
1301qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1302 u64 off, void *data, int size)
1303{
1304 int i, j, ret = 0, loop, sz[2], off0;
1305 int scale, shift_amount, startword;
1306 uint32_t temp;
1307 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1308
1309 /*
1310 * If not MN, go check for MS or invalid.
1311 */
1312 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1313 mem_crb = QLA82XX_CRB_QDR_NET;
1314 else {
1315 mem_crb = QLA82XX_CRB_DDR_NET;
1316 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1317 return qla82xx_pci_mem_write_direct(ha,
1318 off, data, size);
1319 }
1320
1321 off0 = off & 0x7;
1322 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1323 sz[1] = size - sz[0];
1324
1325 off8 = off & 0xfffffff0;
1326 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1327 shift_amount = 4;
1328 scale = 2;
1329 startword = (off & 0xf)/8;
1330
1331 for (i = 0; i < loop; i++) {
1332 if (qla82xx_pci_mem_read_2M(ha, off8 +
1333 (i << shift_amount), &word[i * scale], 8))
1334 return -1;
1335 }
1336
1337 switch (size) {
1338 case 1:
1339 tmpw = *((uint8_t *)data);
1340 break;
1341 case 2:
1342 tmpw = *((uint16_t *)data);
1343 break;
1344 case 4:
1345 tmpw = *((uint32_t *)data);
1346 break;
1347 case 8:
1348 default:
1349 tmpw = *((uint64_t *)data);
1350 break;
1351 }
1352
1353 if (sz[0] == 8) {
1354 word[startword] = tmpw;
1355 } else {
1356 word[startword] &=
1357 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1358 word[startword] |= tmpw << (off0 * 8);
1359 }
1360 if (sz[1] != 0) {
1361 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1362 word[startword+1] |= tmpw >> (sz[0] * 8);
1363 }
1364
77e334d2
GM		 1365 for (i = 0; i < loop; i++) {
1366 temp = off8 + (i << shift_amount);
1367 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1368 temp = 0;
1369 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1370 temp = word[i * scale] & 0xffffffff;
1371 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1372 temp = (word[i * scale] >> 32) & 0xffffffff;
1373 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1374 temp = word[i*scale + 1] & 0xffffffff;
1375 qla82xx_wr_32(ha, mem_crb +
1376 MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1377 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1378 qla82xx_wr_32(ha, mem_crb +
1379 MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1380
1381 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1382 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1383 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1384 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1385
1386 for (j = 0; j < MAX_CTL_CHECK; j++) {
1387 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1388 if ((temp & MIU_TA_CTL_BUSY) == 0)
1389 break;
1390 }
1391
1392 if (j >= MAX_CTL_CHECK) {
1393 if (printk_ratelimit())
1394 dev_err(&ha->pdev->dev,
7c3df132 1395 "failed to write through agent.\n");
77e334d2
GM		 1396 ret = -1;
1397 break;
1398 }
1399 }
1400
1401 return ret;
1402}
1403
1404static int
a9083016
GM		 1405qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1406{
1407 int i;
1408 long size = 0;
9c2b2975
HZ		 1409 long flashaddr = ha->flt_region_bootload << 2;
1410 long memaddr = BOOTLD_START;
a9083016
GM		 1411 u64 data;
1412 u32 high, low;
1413 size = (IMAGE_START - BOOTLD_START) / 8;
1414
1415 for (i = 0; i < size; i++) {
1416 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1417 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1418 return -1;
1419 }
1420 data = ((u64)high << 32) | low ;
1421 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1422 flashaddr += 8;
1423 memaddr += 8;
1424
1425 if (i % 0x1000 == 0)
1426 msleep(1);
1427 }
1428 udelay(100);
1429 read_lock(&ha->hw_lock);
3711333d
GM		 1430 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1431 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
a9083016
GM		 1432 read_unlock(&ha->hw_lock);
1433 return 0;
1434}
1435
1436int
1437qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1438 u64 off, void *data, int size)
1439{
1440 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1441 int shift_amount;
1442 uint32_t temp;
1443 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1444
1445 /*
1446 * If not MN, go check for MS or invalid.
1447 */
1448
1449 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1450 mem_crb = QLA82XX_CRB_QDR_NET;
1451 else {
1452 mem_crb = QLA82XX_CRB_DDR_NET;
1453 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1454 return qla82xx_pci_mem_read_direct(ha,
1455 off, data, size);
1456 }
1457
3711333d
GM		 1458 off8 = off & 0xfffffff0;
1459 off0[0] = off & 0xf;
1460 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1461 shift_amount = 4;
a9083016
GM		 1462 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1463 off0[1] = 0;
1464 sz[1] = size - sz[0];
1465
a9083016
GM		 1466 for (i = 0; i < loop; i++) {
1467 temp = off8 + (i << shift_amount);
1468 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1469 temp = 0;
1470 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1471 temp = MIU_TA_CTL_ENABLE;
1472 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1473 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1474 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1475
1476 for (j = 0; j < MAX_CTL_CHECK; j++) {
1477 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1478 if ((temp & MIU_TA_CTL_BUSY) == 0)
1479 break;
1480 }
1481
1482 if (j >= MAX_CTL_CHECK) {
1483 if (printk_ratelimit())
1484 dev_err(&ha->pdev->dev,
7c3df132 1485 "failed to read through agent.\n");
a9083016
GM		 1486 break;
1487 }
1488
1489 start = off0[i] >> 2;
1490 end = (off0[i] + sz[i] - 1) >> 2;
1491 for (k = start; k <= end; k++) {
1492 temp = qla82xx_rd_32(ha,
1493 mem_crb + MIU_TEST_AGT_RDDATA(k));
1494 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1495 }
1496 }
1497
a9083016
GM		 1498 if (j >= MAX_CTL_CHECK)
1499 return -1;
1500
1501 if ((off0[0] & 7) == 0) {
1502 val = word[0];
1503 } else {
1504 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1505 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1506 }
1507
1508 switch (size) {
1509 case 1:
1510 *(uint8_t *)data = val;
1511 break;
1512 case 2:
1513 *(uint16_t *)data = val;
1514 break;
1515 case 4:
1516 *(uint32_t *)data = val;
1517 break;
1518 case 8:
1519 *(uint64_t *)data = val;
1520 break;
1521 }
1522 return 0;
1523}
1524
a9083016 1525
9c2b2975
HZ		 1526static struct qla82xx_uri_table_desc *
1527qla82xx_get_table_desc(const u8 *unirom, int section)
1528{
1529 uint32_t i;
1530 struct qla82xx_uri_table_desc *directory =
1531 (struct qla82xx_uri_table_desc *)&unirom[0];
1532 __le32 offset;
1533 __le32 tab_type;
1534 __le32 entries = cpu_to_le32(directory->num_entries);
1535
1536 for (i = 0; i < entries; i++) {
1537 offset = cpu_to_le32(directory->findex) +
1538 (i * cpu_to_le32(directory->entry_size));
1539 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1540
1541 if (tab_type == section)
1542 return (struct qla82xx_uri_table_desc *)&unirom[offset];
1543 }
1544
1545 return NULL;
1546}
1547
1548static struct qla82xx_uri_data_desc *
1549qla82xx_get_data_desc(struct qla_hw_data *ha,
1550 u32 section, u32 idx_offset)
1551{
1552 const u8 *unirom = ha->hablob->fw->data;
1553 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1554 struct qla82xx_uri_table_desc *tab_desc = NULL;
1555 __le32 offset;
1556
1557 tab_desc = qla82xx_get_table_desc(unirom, section);
1558 if (!tab_desc)
1559 return NULL;
1560
1561 offset = cpu_to_le32(tab_desc->findex) +
1562 (cpu_to_le32(tab_desc->entry_size) * idx);
1563
1564 return (struct qla82xx_uri_data_desc *)&unirom[offset];
1565}
1566
1567static u8 *
1568qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1569{
1570 u32 offset = BOOTLD_START;
1571 struct qla82xx_uri_data_desc *uri_desc = NULL;
1572
1573 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1574 uri_desc = qla82xx_get_data_desc(ha,
1575 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1576 if (uri_desc)
1577 offset = cpu_to_le32(uri_desc->findex);
1578 }
1579
1580 return (u8 *)&ha->hablob->fw->data[offset];
1581}
1582
1583static __le32
1584qla82xx_get_fw_size(struct qla_hw_data *ha)
1585{
1586 struct qla82xx_uri_data_desc *uri_desc = NULL;
1587
1588 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1589 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1590 QLA82XX_URI_FIRMWARE_IDX_OFF);
1591 if (uri_desc)
1592 return cpu_to_le32(uri_desc->size);
1593 }
1594
1595 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1596}
1597
1598static u8 *
1599qla82xx_get_fw_offs(struct qla_hw_data *ha)
1600{
1601 u32 offset = IMAGE_START;
1602 struct qla82xx_uri_data_desc *uri_desc = NULL;
1603
1604 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1605 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1606 QLA82XX_URI_FIRMWARE_IDX_OFF);
1607 if (uri_desc)
1608 offset = cpu_to_le32(uri_desc->findex);
1609 }
1610
1611 return (u8 *)&ha->hablob->fw->data[offset];
1612}
1613
a9083016
GM		 1614/* PCI related functions */
1615char *
1616qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
1617{
1618 int pcie_reg;
1619 struct qla_hw_data *ha = vha->hw;
1620 char lwstr[6];
1621 uint16_t lnk;
1622
1623 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
1624 pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
1625 ha->link_width = (lnk >> 4) & 0x3f;
1626
1627 strcpy(str, "PCIe (");
1628 strcat(str, "2.5Gb/s ");
1629 snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width);
1630 strcat(str, lwstr);
1631 return str;
1632}
1633
1634int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1635{
1636 unsigned long val = 0;
1637 u32 control;
1638
1639 switch (region) {
1640 case 0:
1641 val = 0;
1642 break;
1643 case 1:
1644 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1645 val = control + QLA82XX_MSIX_TBL_SPACE;
1646 break;
1647 }
1648 return val;
1649}
1650
a9083016
GM		 1651
1652int
1653qla82xx_iospace_config(struct qla_hw_data *ha)
1654{
1655 uint32_t len = 0;
1656
1657 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
7c3df132
SK		 1658 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1659 "Failed to reserver selected regions.\n");
a9083016
GM		 1660 goto iospace_error_exit;
1661 }
1662
1663 /* Use MMIO operations for all accesses. */
1664 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
7c3df132
SK		 1665 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1666 "Region #0 not an MMIO resource, aborting.\n");
a9083016
GM		 1667 goto iospace_error_exit;
1668 }
1669
1670 len = pci_resource_len(ha->pdev, 0);
1671 ha->nx_pcibase =
1672 (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len);
1673 if (!ha->nx_pcibase) {
7c3df132
SK		 1674 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1675 "Cannot remap pcibase MMIO, aborting.\n");
a9083016
GM		 1676 pci_release_regions(ha->pdev);
1677 goto iospace_error_exit;
1678 }
1679
1680 /* Mapping of IO base pointer */
1681 ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase +
1682 0xbc000 + (ha->pdev->devfn << 11));
1683
1684 if (!ql2xdbwr) {
1685 ha->nxdb_wr_ptr =
1686 (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) +
1687 (ha->pdev->devfn << 12)), 4);
1688 if (!ha->nxdb_wr_ptr) {
7c3df132
SK		 1689 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1690 "Cannot remap MMIO, aborting.\n");
a9083016
GM		 1691 pci_release_regions(ha->pdev);
1692 goto iospace_error_exit;
1693 }
1694
1695 /* Mapping of IO base pointer,
1696 * door bell read and write pointer
1697 */
1698 ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
1699 (ha->pdev->devfn * 8);
1700 } else {
1701 ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ?
1702 QLA82XX_CAMRAM_DB1 :
1703 QLA82XX_CAMRAM_DB2);
1704 }
1705
1706 ha->max_req_queues = ha->max_rsp_queues = 1;
1707 ha->msix_count = ha->max_rsp_queues + 1;
7c3df132
SK		 1708 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1709 "nx_pci_base=%p iobase=%p "
1710 "max_req_queues=%d msix_count=%d.\n",
d8424f68 1711 (void *)ha->nx_pcibase, ha->iobase,
7c3df132
SK		 1712 ha->max_req_queues, ha->msix_count);
1713 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1714 "nx_pci_base=%p iobase=%p "
1715 "max_req_queues=%d msix_count=%d.\n",
d8424f68 1716 (void *)ha->nx_pcibase, ha->iobase,
7c3df132 1717 ha->max_req_queues, ha->msix_count);
a9083016
GM		 1718 return 0;
1719
1720iospace_error_exit:
1721 return -ENOMEM;
1722}
1723
1724/* GS related functions */
1725
1726/* Initialization related functions */
1727
1728/**
1729 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1730 * @ha: HA context
1731 *
1732 * Returns 0 on success.
1733*/
1734int
1735qla82xx_pci_config(scsi_qla_host_t *vha)
1736{
1737 struct qla_hw_data *ha = vha->hw;
1738 int ret;
1739
1740 pci_set_master(ha->pdev);
1741 ret = pci_set_mwi(ha->pdev);
1742 ha->chip_revision = ha->pdev->revision;
7c3df132 1743 ql_dbg(ql_dbg_init, vha, 0x0043,
d8424f68 1744 "Chip revision:%d.\n",
7c3df132 1745 ha->chip_revision);
a9083016
GM		 1746 return 0;
1747}
1748
1749/**
1750 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1751 * @ha: HA context
1752 *
1753 * Returns 0 on success.
1754 */
1755void
1756qla82xx_reset_chip(scsi_qla_host_t *vha)
1757{
1758 struct qla_hw_data *ha = vha->hw;
1759 ha->isp_ops->disable_intrs(ha);
1760}
1761
1762void qla82xx_config_rings(struct scsi_qla_host *vha)
1763{
1764 struct qla_hw_data *ha = vha->hw;
1765 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1766 struct init_cb_81xx *icb;
1767 struct req_que *req = ha->req_q_map[0];
1768 struct rsp_que *rsp = ha->rsp_q_map[0];
1769
1770 /* Setup ring parameters in initialization control block. */
1771 icb = (struct init_cb_81xx *)ha->init_cb;
1772 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1773 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1774 icb->request_q_length = cpu_to_le16(req->length);
1775 icb->response_q_length = cpu_to_le16(rsp->length);
1776 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1777 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1778 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1779 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1780
a9083016
GM		 1781 WRT_REG_DWORD((unsigned long __iomem *)&reg->req_q_out[0], 0);
1782 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_in[0], 0);
1783 WRT_REG_DWORD((unsigned long __iomem *)&reg->rsp_q_out[0], 0);
1784}
1785
f1af6208
GM		 1786void qla82xx_reset_adapter(struct scsi_qla_host *vha)
1787{
1788 struct qla_hw_data *ha = vha->hw;
1789 vha->flags.online = 0;
1790 qla2x00_try_to_stop_firmware(vha);
1791 ha->isp_ops->disable_intrs(ha);
1792}
1793
77e334d2
GM		 1794static int
1795qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
a9083016
GM		 1796{
1797 u64 *ptr64;
1798 u32 i, flashaddr, size;
1799 __le64 data;
1800
1801 size = (IMAGE_START - BOOTLD_START) / 8;
1802
9c2b2975 1803 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
a9083016
GM		 1804 flashaddr = BOOTLD_START;
1805
1806 for (i = 0; i < size; i++) {
1807 data = cpu_to_le64(ptr64[i]);
9c2b2975
HZ		 1808 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1809 return -EIO;
a9083016
GM		 1810 flashaddr += 8;
1811 }
1812
a9083016 1813 flashaddr = FLASH_ADDR_START;
9c2b2975
HZ		 1814 size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1815 ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
a9083016
GM		 1816
1817 for (i = 0; i < size; i++) {
1818 data = cpu_to_le64(ptr64[i]);
1819
1820 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1821 return -EIO;
1822 flashaddr += 8;
1823 }
9c2b2975 1824 udelay(100);
a9083016
GM		 1825
1826 /* Write a magic value to CAMRAM register
1827 * at a specified offset to indicate
1828 * that all data is written and
1829 * ready for firmware to initialize.
1830 */
9c2b2975 1831 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
a9083016 1832
9c2b2975 1833 read_lock(&ha->hw_lock);
3711333d
GM		 1834 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1835 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
9c2b2975
HZ		 1836 read_unlock(&ha->hw_lock);
1837 return 0;
1838}
1839
1840static int
1841qla82xx_set_product_offset(struct qla_hw_data *ha)
1842{
1843 struct qla82xx_uri_table_desc *ptab_desc = NULL;
1844 const uint8_t *unirom = ha->hablob->fw->data;
1845 uint32_t i;
1846 __le32 entries;
1847 __le32 flags, file_chiprev, offset;
1848 uint8_t chiprev = ha->chip_revision;
1849 /* Hardcoding mn_present flag for P3P */
1850 int mn_present = 0;
1851 uint32_t flagbit;
1852
1853 ptab_desc = qla82xx_get_table_desc(unirom,
1854 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1855 if (!ptab_desc)
1856 return -1;
1857
1858 entries = cpu_to_le32(ptab_desc->num_entries);
1859
1860 for (i = 0; i < entries; i++) {
1861 offset = cpu_to_le32(ptab_desc->findex) +
1862 (i * cpu_to_le32(ptab_desc->entry_size));
1863 flags = cpu_to_le32(*((int *)&unirom[offset] +
1864 QLA82XX_URI_FLAGS_OFF));
1865 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1866 QLA82XX_URI_CHIP_REV_OFF));
1867
1868 flagbit = mn_present ? 1 : 2;
1869
1870 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1871 ha->file_prd_off = offset;
1872 return 0;
1873 }
1874 }
1875 return -1;
1876}
1877
1878int
1879qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1880{
1881 __le32 val;
1882 uint32_t min_size;
1883 struct qla_hw_data *ha = vha->hw;
1884 const struct firmware *fw = ha->hablob->fw;
1885
1886 ha->fw_type = fw_type;
1887
1888 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1889 if (qla82xx_set_product_offset(ha))
1890 return -EINVAL;
1891
1892 min_size = QLA82XX_URI_FW_MIN_SIZE;
1893 } else {
1894 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1895 if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1896 return -EINVAL;
1897
1898 min_size = QLA82XX_FW_MIN_SIZE;
1899 }
1900
1901 if (fw->size < min_size)
1902 return -EINVAL;
a9083016
GM		 1903 return 0;
1904}
1905
77e334d2
GM		 1906static int
1907qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
a9083016
GM		 1908{
1909 u32 val = 0;
1910 int retries = 60;
7c3df132 1911 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 1912
1913 do {
1914 read_lock(&ha->hw_lock);
1915 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1916 read_unlock(&ha->hw_lock);
1917
1918 switch (val) {
1919 case PHAN_INITIALIZE_COMPLETE:
1920 case PHAN_INITIALIZE_ACK:
1921 return QLA_SUCCESS;
1922 case PHAN_INITIALIZE_FAILED:
1923 break;
1924 default:
1925 break;
1926 }
7c3df132
SK		 1927 ql_log(ql_log_info, vha, 0x00a8,
1928 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1929 val, retries);
a9083016
GM		 1930
1931 msleep(500);
1932
1933 } while (--retries);
1934
7c3df132 1935 ql_log(ql_log_fatal, vha, 0x00a9,
a9083016
GM		 1936 "Cmd Peg initialization failed: 0x%x.\n", val);
1937
a9083016
GM		 1938 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1939 read_lock(&ha->hw_lock);
1940 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1941 read_unlock(&ha->hw_lock);
1942 return QLA_FUNCTION_FAILED;
1943}
1944
77e334d2
GM		 1945static int
1946qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
a9083016
GM		 1947{
1948 u32 val = 0;
1949 int retries = 60;
7c3df132 1950 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 1951
1952 do {
1953 read_lock(&ha->hw_lock);
1954 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1955 read_unlock(&ha->hw_lock);
1956
1957 switch (val) {
1958 case PHAN_INITIALIZE_COMPLETE:
1959 case PHAN_INITIALIZE_ACK:
1960 return QLA_SUCCESS;
1961 case PHAN_INITIALIZE_FAILED:
1962 break;
1963 default:
1964 break;
1965 }
7c3df132
SK		 1966 ql_log(ql_log_info, vha, 0x00ab,
1967 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1968 val, retries);
a9083016
GM		 1969
1970 msleep(500);
1971
1972 } while (--retries);
1973
7c3df132
SK		 1974 ql_log(ql_log_fatal, vha, 0x00ac,
1975 "Rcv Peg initializatin failed: 0x%x.\n", val);
a9083016
GM		 1976 read_lock(&ha->hw_lock);
1977 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1978 read_unlock(&ha->hw_lock);
1979 return QLA_FUNCTION_FAILED;
1980}
1981
1982/* ISR related functions */
1983uint32_t qla82xx_isr_int_target_mask_enable[8] = {
1984 ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1,
1985 ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3,
1986 ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5,
1987 ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7
1988};
1989
1990uint32_t qla82xx_isr_int_target_status[8] = {
1991 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
1992 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
1993 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
1994 ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7
1995};
1996
1997static struct qla82xx_legacy_intr_set legacy_intr[] = \
1998 QLA82XX_LEGACY_INTR_CONFIG;
1999
2000/*
2001 * qla82xx_mbx_completion() - Process mailbox command completions.
2002 * @ha: SCSI driver HA context
2003 * @mb0: Mailbox0 register
2004 */
77e334d2 2005static void
a9083016
GM		 2006qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2007{
2008 uint16_t cnt;
2009 uint16_t __iomem *wptr;
2010 struct qla_hw_data *ha = vha->hw;
2011 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2012 wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
2013
2014 /* Load return mailbox registers. */
2015 ha->flags.mbox_int = 1;
2016 ha->mailbox_out[0] = mb0;
2017
2018 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2019 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2020 wptr++;
2021 }
2022
cfb0919c 2023 if (!ha->mcp)
7c3df132
SK		 2024 ql_dbg(ql_dbg_async, vha, 0x5053,
2025 "MBX pointer ERROR.\n");
a9083016
GM		 2026}
2027
2028/*
2029 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2030 * @irq:
2031 * @dev_id: SCSI driver HA context
2032 * @regs:
2033 *
2034 * Called by system whenever the host adapter generates an interrupt.
2035 *
2036 * Returns handled flag.
2037 */
2038irqreturn_t
2039qla82xx_intr_handler(int irq, void *dev_id)
2040{
2041 scsi_qla_host_t *vha;
2042 struct qla_hw_data *ha;
2043 struct rsp_que *rsp;
2044 struct device_reg_82xx __iomem *reg;
2045 int status = 0, status1 = 0;
2046 unsigned long flags;
2047 unsigned long iter;
7c3df132 2048 uint32_t stat = 0;
a9083016
GM		 2049 uint16_t mb[4];
2050
2051 rsp = (struct rsp_que *) dev_id;
2052 if (!rsp) {
3256b435
CD		 2053 ql_log(ql_log_info, NULL, 0xb054,
2054 "%s: NULL response queue pointer.\n", __func__);
a9083016
GM		 2055 return IRQ_NONE;
2056 }
2057 ha = rsp->hw;
2058
2059 if (!ha->flags.msi_enabled) {
2060 status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2061 if (!(status & ha->nx_legacy_intr.int_vec_bit))
2062 return IRQ_NONE;
2063
2064 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2065 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2066 return IRQ_NONE;
2067 }
2068
2069 /* clear the interrupt */
2070 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2071
2072 /* read twice to ensure write is flushed */
2073 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2074 qla82xx_rd_32(ha, ISR_INT_VECTOR);
2075
2076 reg = &ha->iobase->isp82;
2077
2078 spin_lock_irqsave(&ha->hardware_lock, flags);
2079 vha = pci_get_drvdata(ha->pdev);
2080 for (iter = 1; iter--; ) {
2081
2082 if (RD_REG_DWORD(&reg->host_int)) {
2083 stat = RD_REG_DWORD(&reg->host_status);
a9083016
GM		 2084
2085 switch (stat & 0xff) {
2086 case 0x1:
2087 case 0x2:
2088 case 0x10:
2089 case 0x11:
2090 qla82xx_mbx_completion(vha, MSW(stat));
2091 status |= MBX_INTERRUPT;
2092 break;
2093 case 0x12:
2094 mb[0] = MSW(stat);
2095 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2096 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2097 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2098 qla2x00_async_event(vha, rsp, mb);
2099 break;
2100 case 0x13:
2101 qla24xx_process_response_queue(vha, rsp);
2102 break;
2103 default:
7c3df132
SK		 2104 ql_dbg(ql_dbg_async, vha, 0x5054,
2105 "Unrecognized interrupt type (%d).\n",
2106 stat & 0xff);
a9083016
GM		 2107 break;
2108 }
2109 }
2110 WRT_REG_DWORD(&reg->host_int, 0);
2111 }
2112 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2113 if (!ha->flags.msi_enabled)
2114 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2115
2116#ifdef QL_DEBUG_LEVEL_17
2117 if (!irq && ha->flags.eeh_busy)
7c3df132
SK		 2118 ql_log(ql_log_warn, vha, 0x503d,
2119 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
a9083016
GM		 2120 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
2121#endif
2122
2123 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2124 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2125 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2126 complete(&ha->mbx_intr_comp);
2127 }
2128 return IRQ_HANDLED;
2129}
2130
2131irqreturn_t
2132qla82xx_msix_default(int irq, void *dev_id)
2133{
2134 scsi_qla_host_t *vha;
2135 struct qla_hw_data *ha;
2136 struct rsp_que *rsp;
2137 struct device_reg_82xx __iomem *reg;
2138 int status = 0;
2139 unsigned long flags;
7c3df132 2140 uint32_t stat = 0;
a9083016
GM		 2141 uint16_t mb[4];
2142
2143 rsp = (struct rsp_que *) dev_id;
2144 if (!rsp) {
2145 printk(KERN_INFO
7c3df132 2146 "%s(): NULL response queue pointer.\n", __func__);
a9083016
GM		 2147 return IRQ_NONE;
2148 }
2149 ha = rsp->hw;
2150
2151 reg = &ha->iobase->isp82;
2152
2153 spin_lock_irqsave(&ha->hardware_lock, flags);
2154 vha = pci_get_drvdata(ha->pdev);
2155 do {
2156 if (RD_REG_DWORD(&reg->host_int)) {
2157 stat = RD_REG_DWORD(&reg->host_status);
a9083016
GM		 2158
2159 switch (stat & 0xff) {
2160 case 0x1:
2161 case 0x2:
2162 case 0x10:
2163 case 0x11:
2164 qla82xx_mbx_completion(vha, MSW(stat));
2165 status |= MBX_INTERRUPT;
2166 break;
2167 case 0x12:
2168 mb[0] = MSW(stat);
2169 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2170 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2171 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2172 qla2x00_async_event(vha, rsp, mb);
2173 break;
2174 case 0x13:
2175 qla24xx_process_response_queue(vha, rsp);
2176 break;
2177 default:
7c3df132
SK		 2178 ql_dbg(ql_dbg_async, vha, 0x5041,
2179 "Unrecognized interrupt type (%d).\n",
2180 stat & 0xff);
a9083016
GM		 2181 break;
2182 }
2183 }
2184 WRT_REG_DWORD(&reg->host_int, 0);
2185 } while (0);
2186
2187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2188
2189#ifdef QL_DEBUG_LEVEL_17
2190 if (!irq && ha->flags.eeh_busy)
7c3df132
SK		 2191 ql_log(ql_log_warn, vha, 0x5044,
2192 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n",
2193 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
a9083016
GM		 2194#endif
2195
2196 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2197 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2198 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2199 complete(&ha->mbx_intr_comp);
2200 }
2201 return IRQ_HANDLED;
2202}
2203
2204irqreturn_t
2205qla82xx_msix_rsp_q(int irq, void *dev_id)
2206{
2207 scsi_qla_host_t *vha;
2208 struct qla_hw_data *ha;
2209 struct rsp_que *rsp;
2210 struct device_reg_82xx __iomem *reg;
3553d343 2211 unsigned long flags;
a9083016
GM		 2212
2213 rsp = (struct rsp_que *) dev_id;
2214 if (!rsp) {
2215 printk(KERN_INFO
7c3df132 2216 "%s(): NULL response queue pointer.\n", __func__);
a9083016
GM		 2217 return IRQ_NONE;
2218 }
2219
2220 ha = rsp->hw;
2221 reg = &ha->iobase->isp82;
3553d343 2222 spin_lock_irqsave(&ha->hardware_lock, flags);
a9083016
GM		 2223 vha = pci_get_drvdata(ha->pdev);
2224 qla24xx_process_response_queue(vha, rsp);
2225 WRT_REG_DWORD(&reg->host_int, 0);
3553d343 2226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a9083016
GM		 2227 return IRQ_HANDLED;
2228}
2229
2230void
2231qla82xx_poll(int irq, void *dev_id)
2232{
2233 scsi_qla_host_t *vha;
2234 struct qla_hw_data *ha;
2235 struct rsp_que *rsp;
2236 struct device_reg_82xx __iomem *reg;
2237 int status = 0;
2238 uint32_t stat;
2239 uint16_t mb[4];
2240 unsigned long flags;
2241
2242 rsp = (struct rsp_que *) dev_id;
2243 if (!rsp) {
2244 printk(KERN_INFO
7c3df132 2245 "%s(): NULL response queue pointer.\n", __func__);
a9083016
GM		 2246 return;
2247 }
2248 ha = rsp->hw;
2249
2250 reg = &ha->iobase->isp82;
2251 spin_lock_irqsave(&ha->hardware_lock, flags);
2252 vha = pci_get_drvdata(ha->pdev);
2253
2254 if (RD_REG_DWORD(&reg->host_int)) {
2255 stat = RD_REG_DWORD(&reg->host_status);
2256 switch (stat & 0xff) {
2257 case 0x1:
2258 case 0x2:
2259 case 0x10:
2260 case 0x11:
2261 qla82xx_mbx_completion(vha, MSW(stat));
2262 status |= MBX_INTERRUPT;
2263 break;
2264 case 0x12:
2265 mb[0] = MSW(stat);
2266 mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2267 mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2268 mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2269 qla2x00_async_event(vha, rsp, mb);
2270 break;
2271 case 0x13:
2272 qla24xx_process_response_queue(vha, rsp);
2273 break;
2274 default:
7c3df132
SK		 2275 ql_dbg(ql_dbg_p3p, vha, 0xb013,
2276 "Unrecognized interrupt type (%d).\n",
2277 stat * 0xff);
a9083016
GM		 2278 break;
2279 }
2280 }
2281 WRT_REG_DWORD(&reg->host_int, 0);
2282 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2283}
2284
2285void
2286qla82xx_enable_intrs(struct qla_hw_data *ha)
2287{
2288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2289 qla82xx_mbx_intr_enable(vha);
2290 spin_lock_irq(&ha->hardware_lock);
2291 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2292 spin_unlock_irq(&ha->hardware_lock);
2293 ha->interrupts_on = 1;
2294}
2295
2296void
2297qla82xx_disable_intrs(struct qla_hw_data *ha)
2298{
2299 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2300 qla82xx_mbx_intr_disable(vha);
2301 spin_lock_irq(&ha->hardware_lock);
2302 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2303 spin_unlock_irq(&ha->hardware_lock);
2304 ha->interrupts_on = 0;
2305}
2306
2307void qla82xx_init_flags(struct qla_hw_data *ha)
2308{
2309 struct qla82xx_legacy_intr_set *nx_legacy_intr;
2310
2311 /* ISP 8021 initializations */
2312 rwlock_init(&ha->hw_lock);
2313 ha->qdr_sn_window = -1;
2314 ha->ddr_mn_window = -1;
2315 ha->curr_window = 255;
2316 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2317 nx_legacy_intr = &legacy_intr[ha->portnum];
2318 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2319 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2320 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2321 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2322}
2323
a5b36321 2324inline void
a9083016
GM		 2325qla82xx_set_drv_active(scsi_qla_host_t *vha)
2326{
2327 uint32_t drv_active;
2328 struct qla_hw_data *ha = vha->hw;
2329
2330 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2331
2332 /* If reset value is all FF's, initialize DRV_ACTIVE */
2333 if (drv_active == 0xffffffff) {
77e334d2
GM		 2334 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2335 QLA82XX_DRV_NOT_ACTIVE);
a9083016
GM		 2336 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2337 }
77e334d2 2338 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
a9083016
GM		 2339 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2340}
2341
2342inline void
2343qla82xx_clear_drv_active(struct qla_hw_data *ha)
2344{
2345 uint32_t drv_active;
2346
2347 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
77e334d2 2348 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
a9083016
GM		 2349 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2350}
2351
2352static inline int
2353qla82xx_need_reset(struct qla_hw_data *ha)
2354{
2355 uint32_t drv_state;
2356 int rval;
2357
08de2844
GM		 2358 if (ha->flags.isp82xx_reset_owner)
2359 return 1;
2360 else {
2361 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2362 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2363 return rval;
2364 }
a9083016
GM		 2365}
2366
2367static inline void
2368qla82xx_set_rst_ready(struct qla_hw_data *ha)
2369{
2370 uint32_t drv_state;
2371 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2372
2373 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2374
2375 /* If reset value is all FF's, initialize DRV_STATE */
2376 if (drv_state == 0xffffffff) {
77e334d2 2377 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
a9083016
GM		 2378 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2379 }
2380 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
08de2844
GM		 2381 ql_dbg(ql_dbg_init, vha, 0x00bb,
2382 "drv_state = 0x%08x.\n", drv_state);
a9083016
GM		 2383 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2384}
2385
2386static inline void
2387qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2388{
2389 uint32_t drv_state;
2390
2391 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2392 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2393 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2394}
2395
2396static inline void
2397qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2398{
2399 uint32_t qsnt_state;
2400
2401 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2402 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2403 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2404}
2405
579d12b5
SK		 2406void
2407qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2408{
2409 struct qla_hw_data *ha = vha->hw;
2410 uint32_t qsnt_state;
2411
2412 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2413 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2414 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2415}
2416
77e334d2
GM		 2417static int
2418qla82xx_load_fw(scsi_qla_host_t *vha)
a9083016
GM		 2419{
2420 int rst;
2421 struct fw_blob *blob;
2422 struct qla_hw_data *ha = vha->hw;
2423
a9083016 2424 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
7c3df132
SK		 2425 ql_log(ql_log_fatal, vha, 0x009f,
2426 "Error during CRB initialization.\n");
a9083016
GM		 2427 return QLA_FUNCTION_FAILED;
2428 }
2429 udelay(500);
2430
2431 /* Bring QM and CAMRAM out of reset */
2432 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2433 rst &= ~((1 << 28) | (1 << 24));
2434 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2435
2436 /*
2437 * FW Load priority:
2438 * 1) Operational firmware residing in flash.
2439 * 2) Firmware via request-firmware interface (.bin file).
2440 */
2441 if (ql2xfwloadbin == 2)
2442 goto try_blob_fw;
2443
7c3df132
SK		 2444 ql_log(ql_log_info, vha, 0x00a0,
2445 "Attempting to load firmware from flash.\n");
a9083016
GM		 2446
2447 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
7c3df132
SK		 2448 ql_log(ql_log_info, vha, 0x00a1,
2449 "Firmware loaded successully from flash.\n");
a9083016 2450 return QLA_SUCCESS;
875efad7 2451 } else {
7c3df132
SK		 2452 ql_log(ql_log_warn, vha, 0x0108,
2453 "Firmware load from flash failed.\n");
a9083016 2454 }
875efad7 2455
a9083016 2456try_blob_fw:
7c3df132
SK		 2457 ql_log(ql_log_info, vha, 0x00a2,
2458 "Attempting to load firmware from blob.\n");
a9083016
GM		 2459
2460 /* Load firmware blob. */
2461 blob = ha->hablob = qla2x00_request_firmware(vha);
2462 if (!blob) {
7c3df132
SK		 2463 ql_log(ql_log_fatal, vha, 0x00a3,
2464 "Firmware image not preset.\n");
a9083016
GM		 2465 goto fw_load_failed;
2466 }
2467
9c2b2975
HZ		 2468 /* Validating firmware blob */
2469 if (qla82xx_validate_firmware_blob(vha,
2470 QLA82XX_FLASH_ROMIMAGE)) {
2471 /* Fallback to URI format */
2472 if (qla82xx_validate_firmware_blob(vha,
2473 QLA82XX_UNIFIED_ROMIMAGE)) {
7c3df132
SK		 2474 ql_log(ql_log_fatal, vha, 0x00a4,
2475 "No valid firmware image found.\n");
9c2b2975
HZ		 2476 return QLA_FUNCTION_FAILED;
2477 }
2478 }
2479
a9083016 2480 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
7c3df132
SK		 2481 ql_log(ql_log_info, vha, 0x00a5,
2482 "Firmware loaded successfully from binary blob.\n");
a9083016
GM		 2483 return QLA_SUCCESS;
2484 } else {
7c3df132
SK		 2485 ql_log(ql_log_fatal, vha, 0x00a6,
2486 "Firmware load failed for binary blob.\n");
a9083016
GM		 2487 blob->fw = NULL;
2488 blob = NULL;
2489 goto fw_load_failed;
2490 }
2491 return QLA_SUCCESS;
2492
2493fw_load_failed:
2494 return QLA_FUNCTION_FAILED;
2495}
2496
a5b36321 2497int
a9083016
GM		 2498qla82xx_start_firmware(scsi_qla_host_t *vha)
2499{
2500 int pcie_cap;
2501 uint16_t lnk;
2502 struct qla_hw_data *ha = vha->hw;
2503
2504 /* scrub dma mask expansion register */
77e334d2 2505 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
a9083016 2506
3711333d
GM		 2507 /* Put both the PEG CMD and RCV PEG to default state
2508 * of 0 before resetting the hardware
2509 */
2510 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2511 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2512
a9083016
GM		 2513 /* Overwrite stale initialization register values */
2514 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2515 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2516
2517 if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
7c3df132
SK		 2518 ql_log(ql_log_fatal, vha, 0x00a7,
2519 "Error trying to start fw.\n");
a9083016
GM		 2520 return QLA_FUNCTION_FAILED;
2521 }
2522
2523 /* Handshake with the card before we register the devices. */
2524 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
7c3df132
SK		 2525 ql_log(ql_log_fatal, vha, 0x00aa,
2526 "Error during card handshake.\n");
a9083016
GM		 2527 return QLA_FUNCTION_FAILED;
2528 }
2529
2530 /* Negotiated Link width */
2531 pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
2532 pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
2533 ha->link_width = (lnk >> 4) & 0x3f;
2534
2535 /* Synchronize with Receive peg */
2536 return qla82xx_check_rcvpeg_state(ha);
2537}
2538
77e334d2 2539static uint32_t *
a9083016
GM		 2540qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2541 uint32_t length)
2542{
2543 uint32_t i;
2544 uint32_t val;
2545 struct qla_hw_data *ha = vha->hw;
2546
2547 /* Dword reads to flash. */
2548 for (i = 0; i < length/4; i++, faddr += 4) {
2549 if (qla82xx_rom_fast_read(ha, faddr, &val)) {
7c3df132
SK		 2550 ql_log(ql_log_warn, vha, 0x0106,
2551 "Do ROM fast read failed.\n");
a9083016
GM		 2552 goto done_read;
2553 }
2554 dwptr[i] = __constant_cpu_to_le32(val);
2555 }
2556done_read:
2557 return dwptr;
2558}
2559
77e334d2 2560static int
a9083016
GM		 2561qla82xx_unprotect_flash(struct qla_hw_data *ha)
2562{
2563 int ret;
2564 uint32_t val;
7c3df132 2565 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 2566
2567 ret = ql82xx_rom_lock_d(ha);
2568 if (ret < 0) {
7c3df132
SK		 2569 ql_log(ql_log_warn, vha, 0xb014,
2570 "ROM Lock failed.\n");
a9083016
GM		 2571 return ret;
2572 }
2573
2574 ret = qla82xx_read_status_reg(ha, &val);
2575 if (ret < 0)
2576 goto done_unprotect;
2577
0547fb37 2578 val &= ~(BLOCK_PROTECT_BITS << 2);
a9083016
GM		 2579 ret = qla82xx_write_status_reg(ha, val);
2580 if (ret < 0) {
0547fb37 2581 val |= (BLOCK_PROTECT_BITS << 2);
a9083016
GM		 2582 qla82xx_write_status_reg(ha, val);
2583 }
2584
2585 if (qla82xx_write_disable_flash(ha) != 0)
7c3df132
SK		 2586 ql_log(ql_log_warn, vha, 0xb015,
2587 "Write disable failed.\n");
a9083016
GM		 2588
2589done_unprotect:
d652e093 2590 qla82xx_rom_unlock(ha);
a9083016
GM		 2591 return ret;
2592}
2593
77e334d2 2594static int
a9083016
GM		 2595qla82xx_protect_flash(struct qla_hw_data *ha)
2596{
2597 int ret;
2598 uint32_t val;
7c3df132 2599 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 2600
2601 ret = ql82xx_rom_lock_d(ha);
2602 if (ret < 0) {
7c3df132
SK		 2603 ql_log(ql_log_warn, vha, 0xb016,
2604 "ROM Lock failed.\n");
a9083016
GM		 2605 return ret;
2606 }
2607
2608 ret = qla82xx_read_status_reg(ha, &val);
2609 if (ret < 0)
2610 goto done_protect;
2611
0547fb37 2612 val |= (BLOCK_PROTECT_BITS << 2);
a9083016
GM		 2613 /* LOCK all sectors */
2614 ret = qla82xx_write_status_reg(ha, val);
2615 if (ret < 0)
7c3df132
SK		 2616 ql_log(ql_log_warn, vha, 0xb017,
2617 "Write status register failed.\n");
a9083016
GM		 2618
2619 if (qla82xx_write_disable_flash(ha) != 0)
7c3df132
SK		 2620 ql_log(ql_log_warn, vha, 0xb018,
2621 "Write disable failed.\n");
a9083016 2622done_protect:
d652e093 2623 qla82xx_rom_unlock(ha);
a9083016
GM		 2624 return ret;
2625}
2626
77e334d2 2627static int
a9083016
GM		 2628qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
2629{
2630 int ret = 0;
7c3df132 2631 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a9083016
GM		 2632
2633 ret = ql82xx_rom_lock_d(ha);
2634 if (ret < 0) {
7c3df132
SK		 2635 ql_log(ql_log_warn, vha, 0xb019,
2636 "ROM Lock failed.\n");
a9083016
GM		 2637 return ret;
2638 }
2639
2640 qla82xx_flash_set_write_enable(ha);
2641 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
2642 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
2643 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
2644
2645 if (qla82xx_wait_rom_done(ha)) {
7c3df132
SK		 2646 ql_log(ql_log_warn, vha, 0xb01a,
2647 "Error waiting for rom done.\n");
a9083016
GM		 2648 ret = -1;
2649 goto done;
2650 }
2651 ret = qla82xx_flash_wait_write_finish(ha);
2652done:
d652e093 2653 qla82xx_rom_unlock(ha);
a9083016
GM		 2654 return ret;
2655}
2656
2657/*
2658 * Address and length are byte address
2659 */
2660uint8_t *
2661qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2662 uint32_t offset, uint32_t length)
2663{
2664 scsi_block_requests(vha->host);
2665 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
2666 scsi_unblock_requests(vha->host);
2667 return buf;
2668}
2669
2670static int
2671qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
2672 uint32_t faddr, uint32_t dwords)
2673{
2674 int ret;
2675 uint32_t liter;
2676 uint32_t sec_mask, rest_addr;
2677 dma_addr_t optrom_dma;
2678 void *optrom = NULL;
2679 int page_mode = 0;
2680 struct qla_hw_data *ha = vha->hw;
2681
2682 ret = -1;
2683
2684 /* Prepare burst-capable write on supported ISPs. */
2685 if (page_mode && !(faddr & 0xfff) &&
2686 dwords > OPTROM_BURST_DWORDS) {
2687 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2688 &optrom_dma, GFP_KERNEL);
2689 if (!optrom) {
7c3df132
SK		 2690 ql_log(ql_log_warn, vha, 0xb01b,
2691 "Unable to allocate memory "
2692 "for optron burst write (%x KB).\n",
2693 OPTROM_BURST_SIZE / 1024);
a9083016
GM		 2694 }
2695 }
2696
2697 rest_addr = ha->fdt_block_size - 1;
2698 sec_mask = ~rest_addr;
2699
2700 ret = qla82xx_unprotect_flash(ha);
2701 if (ret) {
7c3df132
SK		 2702 ql_log(ql_log_warn, vha, 0xb01c,
2703 "Unable to unprotect flash for update.\n");
a9083016
GM		 2704 goto write_done;
2705 }
2706
2707 for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
2708 /* Are we at the beginning of a sector? */
2709 if ((faddr & rest_addr) == 0) {
2710
2711 ret = qla82xx_erase_sector(ha, faddr);
2712 if (ret) {
7c3df132
SK		 2713 ql_log(ql_log_warn, vha, 0xb01d,
2714 "Unable to erase sector: address=%x.\n",
2715 faddr);
a9083016
GM		 2716 break;
2717 }
2718 }
2719
2720 /* Go with burst-write. */
2721 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
2722 /* Copy data to DMA'ble buffer. */
2723 memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
2724
2725 ret = qla2x00_load_ram(vha, optrom_dma,
2726 (ha->flash_data_off | faddr),
2727 OPTROM_BURST_DWORDS);
2728 if (ret != QLA_SUCCESS) {
7c3df132 2729 ql_log(ql_log_warn, vha, 0xb01e,
a9083016
GM		 2730 "Unable to burst-write optrom segment "
2731 "(%x/%x/%llx).\n", ret,
2732 (ha->flash_data_off | faddr),
2733 (unsigned long long)optrom_dma);
7c3df132 2734 ql_log(ql_log_warn, vha, 0xb01f,
a9083016
GM		 2735 "Reverting to slow-write.\n");
2736
2737 dma_free_coherent(&ha->pdev->dev,
2738 OPTROM_BURST_SIZE, optrom, optrom_dma);
2739 optrom = NULL;
2740 } else {
2741 liter += OPTROM_BURST_DWORDS - 1;
2742 faddr += OPTROM_BURST_DWORDS - 1;
2743 dwptr += OPTROM_BURST_DWORDS - 1;
2744 continue;
2745 }
2746 }
2747
2748 ret = qla82xx_write_flash_dword(ha, faddr,
2749 cpu_to_le32(*dwptr));
2750 if (ret) {
7c3df132
SK		 2751 ql_dbg(ql_dbg_p3p, vha, 0xb020,
2752 "Unable to program flash address=%x data=%x.\n",
2753 faddr, *dwptr);
a9083016
GM		 2754 break;
2755 }
2756 }
2757
2758 ret = qla82xx_protect_flash(ha);
2759 if (ret)
7c3df132 2760 ql_log(ql_log_warn, vha, 0xb021,
a9083016
GM		 2761 "Unable to protect flash after update.\n");
2762write_done:
2763 if (optrom)
2764 dma_free_coherent(&ha->pdev->dev,
2765 OPTROM_BURST_SIZE, optrom, optrom_dma);
2766 return ret;
2767}
2768
2769int
2770qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2771 uint32_t offset, uint32_t length)
2772{
2773 int rval;
2774
2775 /* Suspend HBA. */
2776 scsi_block_requests(vha->host);
2777 rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
2778 length >> 2);
2779 scsi_unblock_requests(vha->host);
2780
2781 /* Convert return ISP82xx to generic */
2782 if (rval)
2783 rval = QLA_FUNCTION_FAILED;
2784 else
2785 rval = QLA_SUCCESS;
2786 return rval;
2787}
2788
2789void
5162cf0c 2790qla82xx_start_iocbs(scsi_qla_host_t *vha)
a9083016 2791{
5162cf0c 2792 struct qla_hw_data *ha = vha->hw;
a9083016
GM		 2793 struct req_que *req = ha->req_q_map[0];
2794 struct device_reg_82xx __iomem *reg;
2795 uint32_t dbval;
2796
2797 /* Adjust ring index. */
2798 req->ring_index++;
2799 if (req->ring_index == req->length) {
2800 req->ring_index = 0;
2801 req->ring_ptr = req->ring;
2802 } else
2803 req->ring_ptr++;
2804
2805 reg = &ha->iobase->isp82;
2806 dbval = 0x04 | (ha->portnum << 5);
2807
2808 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
6907869d
GM		 2809 if (ql2xdbwr)
2810 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
2811 else {
2812 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
a9083016 2813 wmb();
6907869d
GM		 2814 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2815 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr,
2816 dbval);
2817 wmb();
2818 }
a9083016
GM		 2819 }
2820}
2821
e6a4202a
SS		 2822void qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
2823{
7c3df132
SK		 2824 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2825
e6a4202a
SS		 2826 if (qla82xx_rom_lock(ha))
2827 /* Someone else is holding the lock. */
7c3df132
SK		 2828 ql_log(ql_log_info, vha, 0xb022,
2829 "Resetting rom_lock.\n");
e6a4202a
SS		 2830
2831 /*
2832 * Either we got the lock, or someone
2833 * else died while holding it.
2834 * In either case, unlock.
2835 */
d652e093 2836 qla82xx_rom_unlock(ha);
e6a4202a
SS		 2837}
2838
a9083016
GM		 2839/*
2840 * qla82xx_device_bootstrap
2841 * Initialize device, set DEV_READY, start fw
2842 *
2843 * Note:
2844 * IDC lock must be held upon entry
2845 *
2846 * Return:
2847 * Success : 0
2848 * Failed : 1
2849 */
2850static int
2851qla82xx_device_bootstrap(scsi_qla_host_t *vha)
2852{
e6a4202a
SS		 2853 int rval = QLA_SUCCESS;
2854 int i, timeout;
a9083016
GM		 2855 uint32_t old_count, count;
2856 struct qla_hw_data *ha = vha->hw;
e6a4202a 2857 int need_reset = 0, peg_stuck = 1;
a9083016 2858
e6a4202a 2859 need_reset = qla82xx_need_reset(ha);
a9083016
GM		 2860
2861 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2862
2863 for (i = 0; i < 10; i++) {
2864 timeout = msleep_interruptible(200);
2865 if (timeout) {
2866 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2867 QLA82XX_DEV_FAILED);
2868 return QLA_FUNCTION_FAILED;
2869 }
2870
2871 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2872 if (count != old_count)
e6a4202a
SS		 2873 peg_stuck = 0;
2874 }
2875
2876 if (need_reset) {
2877 /* We are trying to perform a recovery here. */
2878 if (peg_stuck)
2879 qla82xx_rom_lock_recovery(ha);
2880 goto dev_initialize;
2881 } else {
2882 /* Start of day for this ha context. */
2883 if (peg_stuck) {
2884 /* Either we are the first or recovery in progress. */
2885 qla82xx_rom_lock_recovery(ha);
2886 goto dev_initialize;
2887 } else
2888 /* Firmware already running. */
a9083016
GM		 2889 goto dev_ready;
2890 }
2891
e6a4202a
SS		 2892 return rval;
2893
a9083016
GM		 2894dev_initialize:
2895 /* set to DEV_INITIALIZING */
7c3df132
SK		 2896 ql_log(ql_log_info, vha, 0x009e,
2897 "HW State: INITIALIZING.\n");
a9083016
GM		 2898 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
2899
2900 /* Driver that sets device state to initializating sets IDC version */
2901 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
2902
2903 qla82xx_idc_unlock(ha);
2904 rval = qla82xx_start_firmware(vha);
2905 qla82xx_idc_lock(ha);
2906
2907 if (rval != QLA_SUCCESS) {
7c3df132
SK		 2908 ql_log(ql_log_fatal, vha, 0x00ad,
2909 "HW State: FAILED.\n");
a9083016
GM		 2910 qla82xx_clear_drv_active(ha);
2911 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
2912 return rval;
2913 }
2914
2915dev_ready:
7c3df132
SK		 2916 ql_log(ql_log_info, vha, 0x00ae,
2917 "HW State: READY.\n");
a9083016
GM		 2918 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
2919
2920 return QLA_SUCCESS;
2921}
2922
579d12b5
SK		 2923/*
2924* qla82xx_need_qsnt_handler
2925* Code to start quiescence sequence
2926*
2927* Note:
2928* IDC lock must be held upon entry
2929*
2930* Return: void
2931*/
2932
2933static void
2934qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
2935{
2936 struct qla_hw_data *ha = vha->hw;
2937 uint32_t dev_state, drv_state, drv_active;
2938 unsigned long reset_timeout;
2939
2940 if (vha->flags.online) {
2941 /*Block any further I/O and wait for pending cmnds to complete*/
2942 qla82xx_quiescent_state_cleanup(vha);
2943 }
2944
2945 /* Set the quiescence ready bit */
2946 qla82xx_set_qsnt_ready(ha);
2947
2948 /*wait for 30 secs for other functions to ack */
2949 reset_timeout = jiffies + (30 * HZ);
2950
2951 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2952 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2953 /* Its 2 that is written when qsnt is acked, moving one bit */
2954 drv_active = drv_active << 0x01;
2955
2956 while (drv_state != drv_active) {
2957
2958 if (time_after_eq(jiffies, reset_timeout)) {
2959 /* quiescence timeout, other functions didn't ack
2960 * changing the state to DEV_READY
2961 */
7c3df132
SK		 2962 ql_log(ql_log_info, vha, 0xb023,
2963 "%s : QUIESCENT TIMEOUT.\n", QLA2XXX_DRIVER_NAME);
2964 ql_log(ql_log_info, vha, 0xb024,
2965 "DRV_ACTIVE:%d DRV_STATE:%d.\n",
2966 drv_active, drv_state);
579d12b5 2967 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
7c3df132
SK		 2968 QLA82XX_DEV_READY);
2969 ql_log(ql_log_info, vha, 0xb025,
2970 "HW State: DEV_READY.\n");
579d12b5
SK		 2971 qla82xx_idc_unlock(ha);
2972 qla2x00_perform_loop_resync(vha);
2973 qla82xx_idc_lock(ha);
2974
2975 qla82xx_clear_qsnt_ready(vha);
2976 return;
2977 }
2978
2979 qla82xx_idc_unlock(ha);
2980 msleep(1000);
2981 qla82xx_idc_lock(ha);
2982
2983 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2984 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2985 drv_active = drv_active << 0x01;
2986 }
2987 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2988 /* everyone acked so set the state to DEV_QUIESCENCE */
2989 if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) {
7c3df132
SK		 2990 ql_log(ql_log_info, vha, 0xb026,
2991 "HW State: DEV_QUIESCENT.\n");
579d12b5
SK		 2992 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT);
2993 }
2994}
2995
2996/*
2997* qla82xx_wait_for_state_change
2998* Wait for device state to change from given current state
2999*
3000* Note:
3001* IDC lock must not be held upon entry
3002*
3003* Return:
3004* Changed device state.
3005*/
3006uint32_t
3007qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
3008{
3009 struct qla_hw_data *ha = vha->hw;
3010 uint32_t dev_state;
3011
3012 do {
3013 msleep(1000);
3014 qla82xx_idc_lock(ha);
3015 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3016 qla82xx_idc_unlock(ha);
3017 } while (dev_state == curr_state);
3018
3019 return dev_state;
3020}
3021
a9083016
GM		 3022static void
3023qla82xx_dev_failed_handler(scsi_qla_host_t *vha)
3024{
3025 struct qla_hw_data *ha = vha->hw;
3026
3027 /* Disable the board */
7c3df132
SK		 3028 ql_log(ql_log_fatal, vha, 0x00b8,
3029 "Disabling the board.\n");
a9083016 3030
b963752f
GM		 3031 qla82xx_idc_lock(ha);
3032 qla82xx_clear_drv_active(ha);
3033 qla82xx_idc_unlock(ha);
3034
a9083016
GM		 3035 /* Set DEV_FAILED flag to disable timer */
3036 vha->device_flags |= DFLG_DEV_FAILED;
3037 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3038 qla2x00_mark_all_devices_lost(vha, 0);
3039 vha->flags.online = 0;
3040 vha->flags.init_done = 0;
3041}
3042
3043/*
3044 * qla82xx_need_reset_handler
3045 * Code to start reset sequence
3046 *
3047 * Note:
3048 * IDC lock must be held upon entry
3049 *
3050 * Return:
3051 * Success : 0
3052 * Failed : 1
3053 */
3054static void
3055qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3056{
e5fdae55
CD		 3057 uint32_t dev_state, drv_state, drv_active;
3058 uint32_t active_mask = 0;
a9083016
GM		 3059 unsigned long reset_timeout;
3060 struct qla_hw_data *ha = vha->hw;
3061 struct req_que *req = ha->req_q_map[0];
3062
3063 if (vha->flags.online) {
3064 qla82xx_idc_unlock(ha);
3065 qla2x00_abort_isp_cleanup(vha);
3066 ha->isp_ops->get_flash_version(vha, req->ring);
3067 ha->isp_ops->nvram_config(vha);
3068 qla82xx_idc_lock(ha);
3069 }
3070
08de2844
GM		 3071 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3072 if (!ha->flags.isp82xx_reset_owner) {
3073 ql_dbg(ql_dbg_p3p, vha, 0xb028,
3074 "reset_acknowledged by 0x%x\n", ha->portnum);
3075 qla82xx_set_rst_ready(ha);
3076 } else {
3077 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
3078 drv_active &= active_mask;
3079 ql_dbg(ql_dbg_p3p, vha, 0xb029,
3080 "active_mask: 0x%08x\n", active_mask);
3081 }
a9083016
GM		 3082
3083 /* wait for 10 seconds for reset ack from all functions */
3084 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
3085
3086 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3087 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
08de2844 3088 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
a9083016 3089
08de2844
GM		 3090 ql_dbg(ql_dbg_p3p, vha, 0xb02a,
3091 "drv_state: 0x%08x, drv_active: 0x%08x, "
3092 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3093 drv_state, drv_active, dev_state, active_mask);
3094
3095 while (drv_state != drv_active &&
3096 dev_state != QLA82XX_DEV_INITIALIZING) {
a9083016 3097 if (time_after_eq(jiffies, reset_timeout)) {
7c3df132
SK		 3098 ql_log(ql_log_warn, vha, 0x00b5,
3099 "Reset timeout.\n");
a9083016
GM		 3100 break;
3101 }
3102 qla82xx_idc_unlock(ha);
3103 msleep(1000);
3104 qla82xx_idc_lock(ha);
3105 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3106 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
08de2844
GM		 3107 if (ha->flags.isp82xx_reset_owner)
3108 drv_active &= active_mask;
3109 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
a9083016
GM		 3110 }
3111
08de2844
GM		 3112 ql_dbg(ql_dbg_p3p, vha, 0xb02b,
3113 "drv_state: 0x%08x, drv_active: 0x%08x, "
3114 "dev_state: 0x%08x, active_mask: 0x%08x\n",
3115 drv_state, drv_active, dev_state, active_mask);
3116
7c3df132
SK		 3117 ql_log(ql_log_info, vha, 0x00b6,
3118 "Device state is 0x%x = %s.\n",
3119 dev_state,
08de2844 3120 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
f1af6208 3121
a9083016 3122 /* Force to DEV_COLD unless someone else is starting a reset */
08de2844
GM		 3123 if (dev_state != QLA82XX_DEV_INITIALIZING &&
3124 dev_state != QLA82XX_DEV_COLD) {
7c3df132
SK		 3125 ql_log(ql_log_info, vha, 0x00b7,
3126 "HW State: COLD/RE-INIT.\n");
a9083016 3127 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
f4e1648a 3128 qla82xx_set_rst_ready(ha);
08de2844
GM		 3129 if (ql2xmdenable) {
3130 if (qla82xx_md_collect(vha))
3131 ql_log(ql_log_warn, vha, 0xb02c,
3132 "Not able to collect minidump.\n");
3133 } else
3134 ql_log(ql_log_warn, vha, 0xb04f,
3135 "Minidump disabled.\n");
a9083016
GM		 3136 }
3137}
3138
3173167f 3139int
08de2844
GM		 3140qla82xx_check_md_needed(scsi_qla_host_t *vha)
3141{
3142 struct qla_hw_data *ha = vha->hw;
3143 uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
3173167f
GM		 3144 int rval = QLA_SUCCESS;
3145
3146 fw_major_version = ha->fw_major_version;
3147 fw_minor_version = ha->fw_minor_version;
3148 fw_subminor_version = ha->fw_subminor_version;
3149
6246b8a1 3150 rval = qla2x00_get_fw_version(vha);
3173167f
GM		 3151 if (rval != QLA_SUCCESS)
3152 return rval;
3153
3154 if (ql2xmdenable) {
3155 if (!ha->fw_dumped) {
3156 if (fw_major_version != ha->fw_major_version ||
3157 fw_minor_version != ha->fw_minor_version ||
3158 fw_subminor_version != ha->fw_subminor_version) {
3173167f
GM		 3159 ql_log(ql_log_info, vha, 0xb02d,
3160 "Firmware version differs "
3161 "Previous version: %d:%d:%d - "
3162 "New version: %d:%d:%d\n",
3163 ha->fw_major_version,
3164 ha->fw_minor_version,
3165 ha->fw_subminor_version,
3166 fw_major_version, fw_minor_version,
3167 fw_subminor_version);
3168 /* Release MiniDump resources */
3169 qla82xx_md_free(vha);
3170 /* ALlocate MiniDump resources */
3171 qla82xx_md_prep(vha);
2e264269
GM		 3172 }
3173 } else
3174 ql_log(ql_log_info, vha, 0xb02e,
3175 "Firmware dump available to retrieve\n");
3173167f
GM		 3176 }
3177 return rval;
08de2844
GM		 3178}
3179
3180
7190575f 3181int
a9083016
GM		 3182qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3183{
7190575f
GM		 3184 uint32_t fw_heartbeat_counter;
3185 int status = 0;
a9083016 3186
7190575f
GM		 3187 fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3188 QLA82XX_PEG_ALIVE_COUNTER);
a5b36321 3189 /* all 0xff, assume AER/EEH in progress, ignore */
7c3df132
SK		 3190 if (fw_heartbeat_counter == 0xffffffff) {
3191 ql_dbg(ql_dbg_timer, vha, 0x6003,
3192 "FW heartbeat counter is 0xffffffff, "
3193 "returning status=%d.\n", status);
7190575f 3194 return status;
7c3df132 3195 }
a9083016
GM		 3196 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3197 vha->seconds_since_last_heartbeat++;
3198 /* FW not alive after 2 seconds */
3199 if (vha->seconds_since_last_heartbeat == 2) {
3200 vha->seconds_since_last_heartbeat = 0;
7190575f 3201 status = 1;
a9083016 3202 }
efa786cc
LC		 3203 } else
3204 vha->seconds_since_last_heartbeat = 0;
a9083016 3205 vha->fw_heartbeat_counter = fw_heartbeat_counter;
7c3df132
SK		 3206 if (status)
3207 ql_dbg(ql_dbg_timer, vha, 0x6004,
3208 "Returning status=%d.\n", status);
7190575f 3209 return status;
a9083016
GM		 3210}
3211
3212/*
3213 * qla82xx_device_state_handler
3214 * Main state handler
3215 *
3216 * Note:
3217 * IDC lock must be held upon entry
3218 *
3219 * Return:
3220 * Success : 0
3221 * Failed : 1
3222 */
3223int
3224qla82xx_device_state_handler(scsi_qla_host_t *vha)
3225{
3226 uint32_t dev_state;
92dbf273 3227 uint32_t old_dev_state;
a9083016
GM		 3228 int rval = QLA_SUCCESS;
3229 unsigned long dev_init_timeout;
3230 struct qla_hw_data *ha = vha->hw;
92dbf273 3231 int loopcount = 0;
a9083016
GM		 3232
3233 qla82xx_idc_lock(ha);
3234 if (!vha->flags.init_done)
3235 qla82xx_set_drv_active(vha);
3236
f1af6208 3237 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
92dbf273 3238 old_dev_state = dev_state;
7c3df132
SK		 3239 ql_log(ql_log_info, vha, 0x009b,
3240 "Device state is 0x%x = %s.\n",
3241 dev_state,
08de2844 3242 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
a9083016
GM		 3243
3244 /* wait for 30 seconds for device to go ready */
3245 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
3246
3247 while (1) {
3248
3249 if (time_after_eq(jiffies, dev_init_timeout)) {
7c3df132
SK		 3250 ql_log(ql_log_fatal, vha, 0x009c,
3251 "Device init failed.\n");
a9083016
GM		 3252 rval = QLA_FUNCTION_FAILED;
3253 break;
3254 }
3255 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
92dbf273
GM		 3256 if (old_dev_state != dev_state) {
3257 loopcount = 0;
3258 old_dev_state = dev_state;
3259 }
3260 if (loopcount < 5) {
7c3df132
SK		 3261 ql_log(ql_log_info, vha, 0x009d,
3262 "Device state is 0x%x = %s.\n",
3263 dev_state,
08de2844 3264 dev_state < MAX_STATES ? qdev_state(dev_state) :
7c3df132 3265 "Unknown");
92dbf273 3266 }
f1af6208 3267
a9083016
GM		 3268 switch (dev_state) {
3269 case QLA82XX_DEV_READY:
08de2844 3270 ha->flags.isp82xx_reset_owner = 0;
a9083016
GM		 3271 goto exit;
3272 case QLA82XX_DEV_COLD:
3273 rval = qla82xx_device_bootstrap(vha);
08de2844 3274 break;
a9083016
GM		 3275 case QLA82XX_DEV_INITIALIZING:
3276 qla82xx_idc_unlock(ha);
3277 msleep(1000);
3278 qla82xx_idc_lock(ha);
3279 break;
3280 case QLA82XX_DEV_NEED_RESET:
c8582ad9
SK		 3281 if (!ql2xdontresethba)
3282 qla82xx_need_reset_handler(vha);
3283 else {
3284 qla82xx_idc_unlock(ha);
3285 msleep(1000);
3286 qla82xx_idc_lock(ha);
3287 }
0060ddf8 3288 dev_init_timeout = jiffies +
c8582ad9 3289 (ha->nx_dev_init_timeout * HZ);
a9083016
GM		 3290 break;
3291 case QLA82XX_DEV_NEED_QUIESCENT:
579d12b5
SK		 3292 qla82xx_need_qsnt_handler(vha);
3293 /* Reset timeout value after quiescence handler */
3294 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\
3295 * HZ);
3296 break;
a9083016 3297 case QLA82XX_DEV_QUIESCENT:
579d12b5
SK		 3298 /* Owner will exit and other will wait for the state
3299 * to get changed
3300 */
3301 if (ha->flags.quiesce_owner)
3302 goto exit;
3303
a9083016
GM		 3304 qla82xx_idc_unlock(ha);
3305 msleep(1000);
3306 qla82xx_idc_lock(ha);
579d12b5
SK		 3307
3308 /* Reset timeout value after quiescence handler */
3309 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\
3310 * HZ);
a9083016
GM		 3311 break;
3312 case QLA82XX_DEV_FAILED:
3313 qla82xx_dev_failed_handler(vha);
3314 rval = QLA_FUNCTION_FAILED;
3315 goto exit;
3316 default:
3317 qla82xx_idc_unlock(ha);
3318 msleep(1000);
3319 qla82xx_idc_lock(ha);
3320 }
92dbf273 3321 loopcount++;
a9083016
GM		 3322 }
3323exit:
3324 qla82xx_idc_unlock(ha);
3325 return rval;
3326}
3327
c8f6544e
CD		 3328void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
3329{
3330 struct qla_hw_data *ha = vha->hw;
3331
3332 if (ha->flags.mbox_busy) {
3333 ha->flags.mbox_int = 1;
8937f2f1 3334 ha->flags.mbox_busy = 0;
c8f6544e
CD		 3335 ql_log(ql_log_warn, vha, 0x6010,
3336 "Doing premature completion of mbx command.\n");
3337 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
3338 complete(&ha->mbx_intr_comp);
3339 }
3340}
3341
a9083016
GM		 3342void qla82xx_watchdog(scsi_qla_host_t *vha)
3343{
7190575f 3344 uint32_t dev_state, halt_status;
a9083016
GM		 3345 struct qla_hw_data *ha = vha->hw;
3346
a9083016 3347 /* don't poll if reset is going on */
7190575f
GM		 3348 if (!ha->flags.isp82xx_reset_hdlr_active) {
3349 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3350 if (dev_state == QLA82XX_DEV_NEED_RESET &&
3351 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
7c3df132
SK		 3352 ql_log(ql_log_warn, vha, 0x6001,
3353 "Adapter reset needed.\n");
a9083016 3354 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
579d12b5
SK		 3355 } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
3356 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
7c3df132
SK		 3357 ql_log(ql_log_warn, vha, 0x6002,
3358 "Quiescent needed.\n");
579d12b5 3359 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
a9083016 3360 } else {
7190575f 3361 if (qla82xx_check_fw_alive(vha)) {
63154916
GM		 3362 ql_dbg(ql_dbg_timer, vha, 0x6011,
3363 "disabling pause transmit on port 0 & 1.\n");
3364 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
3365 CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
7190575f
GM		 3366 halt_status = qla82xx_rd_32(ha,
3367 QLA82XX_PEG_HALT_STATUS1);
63154916 3368 ql_log(ql_log_info, vha, 0x6005,
7c3df132
SK		 3369 "dumping hw/fw registers:.\n "
3370 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3371 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3372 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3373 " PEG_NET_4_PC: 0x%x.\n", halt_status,
0e8edb03
GM		 3374 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3375 qla82xx_rd_32(ha,
3376 QLA82XX_CRB_PEG_NET_0 + 0x3c),
3377 qla82xx_rd_32(ha,
3378 QLA82XX_CRB_PEG_NET_1 + 0x3c),
3379 qla82xx_rd_32(ha,
3380 QLA82XX_CRB_PEG_NET_2 + 0x3c),
3381 qla82xx_rd_32(ha,
3382 QLA82XX_CRB_PEG_NET_3 + 0x3c),
3383 qla82xx_rd_32(ha,
3384 QLA82XX_CRB_PEG_NET_4 + 0x3c));
2cc97965 3385 if (((halt_status & 0x1fffff00) >> 8) == 0x67)
10a340e6
CD		 3386 ql_log(ql_log_warn, vha, 0xb052,
3387 "Firmware aborted with "
3388 "error code 0x00006700. Device is "
3389 "being reset.\n");
7190575f
GM		 3390 if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3391 set_bit(ISP_UNRECOVERABLE,
3392 &vha->dpc_flags);
3393 } else {
7c3df132
SK		 3394 ql_log(ql_log_info, vha, 0x6006,
3395 "Detect abort needed.\n");
7190575f
GM		 3396 set_bit(ISP_ABORT_NEEDED,
3397 &vha->dpc_flags);
3398 }
7190575f 3399 ha->flags.isp82xx_fw_hung = 1;
c8f6544e
CD		 3400 ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
3401 qla82xx_clear_pending_mbx(vha);
7190575f 3402 }
a9083016
GM		 3403 }
3404 }
3405}
3406
3407int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3408{
3409 int rval;
3410 rval = qla82xx_device_state_handler(vha);
3411 return rval;
3412}
3413
08de2844
GM		 3414void
3415qla82xx_set_reset_owner(scsi_qla_host_t *vha)
3416{
3417 struct qla_hw_data *ha = vha->hw;
3418 uint32_t dev_state;
3419
3420 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3421 if (dev_state == QLA82XX_DEV_READY) {
3422 ql_log(ql_log_info, vha, 0xb02f,
3423 "HW State: NEED RESET\n");
3424 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3425 QLA82XX_DEV_NEED_RESET);
3426 ha->flags.isp82xx_reset_owner = 1;
3427 ql_dbg(ql_dbg_p3p, vha, 0xb030,
3428 "reset_owner is 0x%x\n", ha->portnum);
3429 } else
3430 ql_log(ql_log_info, vha, 0xb031,
3431 "Device state is 0x%x = %s.\n",
3432 dev_state,
3433 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3434}
3435
a9083016
GM		 3436/*
3437 * qla82xx_abort_isp
3438 * Resets ISP and aborts all outstanding commands.
3439 *
3440 * Input:
3441 * ha = adapter block pointer.
3442 *
3443 * Returns:
3444 * 0 = success
3445 */
3446int
3447qla82xx_abort_isp(scsi_qla_host_t *vha)
3448{
3449 int rval;
3450 struct qla_hw_data *ha = vha->hw;
a9083016
GM		 3451
3452 if (vha->device_flags & DFLG_DEV_FAILED) {
7c3df132
SK		 3453 ql_log(ql_log_warn, vha, 0x8024,
3454 "Device in failed state, exiting.\n");
a9083016
GM		 3455 return QLA_SUCCESS;
3456 }
7190575f 3457 ha->flags.isp82xx_reset_hdlr_active = 1;
a9083016
GM		 3458
3459 qla82xx_idc_lock(ha);
08de2844 3460 qla82xx_set_reset_owner(vha);
a9083016
GM		 3461 qla82xx_idc_unlock(ha);
3462
3463 rval = qla82xx_device_state_handler(vha);
3464
3465 qla82xx_idc_lock(ha);
3466 qla82xx_clear_rst_ready(ha);
3467 qla82xx_idc_unlock(ha);
3468
cdbb0a4f 3469 if (rval == QLA_SUCCESS) {
7190575f
GM		 3470 ha->flags.isp82xx_fw_hung = 0;
3471 ha->flags.isp82xx_reset_hdlr_active = 0;
a9083016 3472 qla82xx_restart_isp(vha);
cdbb0a4f 3473 }
f1af6208
GM		 3474
3475 if (rval) {
3476 vha->flags.online = 1;
3477 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3478 if (ha->isp_abort_cnt == 0) {
7c3df132
SK		 3479 ql_log(ql_log_warn, vha, 0x8027,
3480 "ISP error recover failed - board "
3481 "disabled.\n");
f1af6208
GM		 3482 /*
3483 * The next call disables the board
3484 * completely.
3485 */
3486 ha->isp_ops->reset_adapter(vha);
3487 vha->flags.online = 0;
3488 clear_bit(ISP_ABORT_RETRY,
3489 &vha->dpc_flags);
3490 rval = QLA_SUCCESS;
3491 } else { /* schedule another ISP abort */
3492 ha->isp_abort_cnt--;
7c3df132
SK		 3493 ql_log(ql_log_warn, vha, 0x8036,
3494 "ISP abort - retry remaining %d.\n",
3495 ha->isp_abort_cnt);
f1af6208
GM		 3496 rval = QLA_FUNCTION_FAILED;
3497 }
3498 } else {
3499 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7c3df132
SK		 3500 ql_dbg(ql_dbg_taskm, vha, 0x8029,
3501 "ISP error recovery - retrying (%d) more times.\n",
3502 ha->isp_abort_cnt);
f1af6208
GM		 3503 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3504 rval = QLA_FUNCTION_FAILED;
3505 }
3506 }
a9083016
GM		 3507 return rval;
3508}
3509
3510/*
3511 * qla82xx_fcoe_ctx_reset
3512 * Perform a quick reset and aborts all outstanding commands.
3513 * This will only perform an FCoE context reset and avoids a full blown
3514 * chip reset.
3515 *
3516 * Input:
3517 * ha = adapter block pointer.
3518 * is_reset_path = flag for identifying the reset path.
3519 *
3520 * Returns:
3521 * 0 = success
3522 */
3523int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3524{
3525 int rval = QLA_FUNCTION_FAILED;
3526
3527 if (vha->flags.online) {
3528 /* Abort all outstanding commands, so as to be requeued later */
3529 qla2x00_abort_isp_cleanup(vha);
3530 }
3531
3532 /* Stop currently executing firmware.
3533 * This will destroy existing FCoE context at the F/W end.
3534 */
3535 qla2x00_try_to_stop_firmware(vha);
3536
3537 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3538 rval = qla82xx_restart_isp(vha);
3539
3540 return rval;
3541}
3542
3543/*
3544 * qla2x00_wait_for_fcoe_ctx_reset
3545 * Wait till the FCoE context is reset.
3546 *
3547 * Note:
3548 * Does context switching here.
3549 * Release SPIN_LOCK (if any) before calling this routine.
3550 *
3551 * Return:
3552 * Success (fcoe_ctx reset is done) : 0
3553 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
3554 */
3555int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3556{
3557 int status = QLA_FUNCTION_FAILED;
3558 unsigned long wait_reset;
3559
3560 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3561 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3562 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3563 && time_before(jiffies, wait_reset)) {
3564
3565 set_current_state(TASK_UNINTERRUPTIBLE);
3566 schedule_timeout(HZ);
3567
3568 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3569 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3570 status = QLA_SUCCESS;
3571 break;
3572 }
3573 }
7c3df132 3574 ql_dbg(ql_dbg_p3p, vha, 0xb027,
d8424f68 3575 "%s: status=%d.\n", __func__, status);
a9083016
GM		 3576
3577 return status;
3578}
7190575f
GM		 3579
3580void
3581qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3582{
3583 int i;
3584 unsigned long flags;
3585 struct qla_hw_data *ha = vha->hw;
3586
3587 /* Check if 82XX firmware is alive or not
3588 * We may have arrived here from NEED_RESET
3589 * detection only
3590 */
3591 if (!ha->flags.isp82xx_fw_hung) {
3592 for (i = 0; i < 2; i++) {
3593 msleep(1000);
3594 if (qla82xx_check_fw_alive(vha)) {
3595 ha->flags.isp82xx_fw_hung = 1;
c8f6544e 3596 qla82xx_clear_pending_mbx(vha);
7190575f
GM		 3597 break;
3598 }
3599 }
3600 }
7c3df132
SK		 3601 ql_dbg(ql_dbg_init, vha, 0x00b0,
3602 "Entered %s fw_hung=%d.\n",
3603 __func__, ha->flags.isp82xx_fw_hung);
7190575f
GM		 3604
3605 /* Abort all commands gracefully if fw NOT hung */
3606 if (!ha->flags.isp82xx_fw_hung) {
3607 int cnt, que;
3608 srb_t *sp;
3609 struct req_que *req;
3610
3611 spin_lock_irqsave(&ha->hardware_lock, flags);
3612 for (que = 0; que < ha->max_req_queues; que++) {
3613 req = ha->req_q_map[que];
3614 if (!req)
3615 continue;
3616 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3617 sp = req->outstanding_cmds[cnt];
3618 if (sp) {
9ba56b95 3619 if (!sp->u.scmd.ctx ||
7190575f
GM		 3620 (sp->flags & SRB_FCP_CMND_DMA_VALID)) {
3621 spin_unlock_irqrestore(
3622 &ha->hardware_lock, flags);
3623 if (ha->isp_ops->abort_command(sp)) {
7c3df132
SK		 3624 ql_log(ql_log_info, vha,
3625 0x00b1,
3626 "mbx abort failed.\n");
7190575f 3627 } else {
7c3df132
SK		 3628 ql_log(ql_log_info, vha,
3629 0x00b2,
3630 "mbx abort success.\n");
7190575f
GM		 3631 }
3632 spin_lock_irqsave(&ha->hardware_lock, flags);
3633 }
3634 }
3635 }
3636 }
3637 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3638
3639 /* Wait for pending cmds (physical and virtual) to complete */
3640 if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3641 WAIT_HOST) == QLA_SUCCESS) {
7c3df132
SK		 3642 ql_dbg(ql_dbg_init, vha, 0x00b3,
3643 "Done wait for "
3644 "pending commands.\n");
7190575f
GM		 3645 }
3646 }
3647}
08de2844
GM		 3648
3649/* Minidump related functions */
08de2844
GM		 3650static int
3651qla82xx_minidump_process_control(scsi_qla_host_t *vha,
3652 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3653{
3654 struct qla_hw_data *ha = vha->hw;
3655 struct qla82xx_md_entry_crb *crb_entry;
3656 uint32_t read_value, opcode, poll_time;
3657 uint32_t addr, index, crb_addr;
3658 unsigned long wtime;
3659 struct qla82xx_md_template_hdr *tmplt_hdr;
3660 uint32_t rval = QLA_SUCCESS;
3661 int i;
3662
3663 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
3664 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
3665 crb_addr = crb_entry->addr;
3666
3667 for (i = 0; i < crb_entry->op_count; i++) {
3668 opcode = crb_entry->crb_ctrl.opcode;
3669 if (opcode & QLA82XX_DBG_OPCODE_WR) {
3670 qla82xx_md_rw_32(ha, crb_addr,
3671 crb_entry->value_1, 1);
3672 opcode &= ~QLA82XX_DBG_OPCODE_WR;
3673 }
3674
3675 if (opcode & QLA82XX_DBG_OPCODE_RW) {
3676 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3677 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3678 opcode &= ~QLA82XX_DBG_OPCODE_RW;
3679 }
3680
3681 if (opcode & QLA82XX_DBG_OPCODE_AND) {
3682 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3683 read_value &= crb_entry->value_2;
3684 opcode &= ~QLA82XX_DBG_OPCODE_AND;
3685 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3686 read_value |= crb_entry->value_3;
3687 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3688 }
3689 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3690 }
3691
3692 if (opcode & QLA82XX_DBG_OPCODE_OR) {
3693 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3694 read_value |= crb_entry->value_3;
3695 qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3696 opcode &= ~QLA82XX_DBG_OPCODE_OR;
3697 }
3698
3699 if (opcode & QLA82XX_DBG_OPCODE_POLL) {
3700 poll_time = crb_entry->crb_strd.poll_timeout;
3701 wtime = jiffies + poll_time;
3702 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3703
3704 do {
3705 if ((read_value & crb_entry->value_2)
3706 == crb_entry->value_1)
3707 break;
3708 else if (time_after_eq(jiffies, wtime)) {
3709 /* capturing dump failed */
3710 rval = QLA_FUNCTION_FAILED;
3711 break;
3712 } else
3713 read_value = qla82xx_md_rw_32(ha,
3714 crb_addr, 0, 0);
3715 } while (1);
3716 opcode &= ~QLA82XX_DBG_OPCODE_POLL;
3717 }
3718
3719 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
3720 if (crb_entry->crb_strd.state_index_a) {
3721 index = crb_entry->crb_strd.state_index_a;
3722 addr = tmplt_hdr->saved_state_array[index];
3723 } else
3724 addr = crb_addr;
3725
3726 read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3727 index = crb_entry->crb_ctrl.state_index_v;
3728 tmplt_hdr->saved_state_array[index] = read_value;
3729 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
3730 }
3731
3732 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
3733 if (crb_entry->crb_strd.state_index_a) {
3734 index = crb_entry->crb_strd.state_index_a;
3735 addr = tmplt_hdr->saved_state_array[index];
3736 } else
3737 addr = crb_addr;
3738
3739 if (crb_entry->crb_ctrl.state_index_v) {
3740 index = crb_entry->crb_ctrl.state_index_v;
3741 read_value =
3742 tmplt_hdr->saved_state_array[index];
3743 } else
3744 read_value = crb_entry->value_1;
3745
3746 qla82xx_md_rw_32(ha, addr, read_value, 1);
3747 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
3748 }
3749
3750 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
3751 index = crb_entry->crb_ctrl.state_index_v;
3752 read_value = tmplt_hdr->saved_state_array[index];
3753 read_value <<= crb_entry->crb_ctrl.shl;
3754 read_value >>= crb_entry->crb_ctrl.shr;
3755 if (crb_entry->value_2)
3756 read_value &= crb_entry->value_2;
3757 read_value |= crb_entry->value_3;
3758 read_value += crb_entry->value_1;
3759 tmplt_hdr->saved_state_array[index] = read_value;
3760 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
3761 }
3762 crb_addr += crb_entry->crb_strd.addr_stride;
3763 }
3764 return rval;
3765}
3766
3767static void
3768qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
3769 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3770{
3771 struct qla_hw_data *ha = vha->hw;
3772 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3773 struct qla82xx_md_entry_rdocm *ocm_hdr;
3774 uint32_t *data_ptr = *d_ptr;
3775
3776 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
3777 r_addr = ocm_hdr->read_addr;
3778 r_stride = ocm_hdr->read_addr_stride;
3779 loop_cnt = ocm_hdr->op_count;
3780
3781 for (i = 0; i < loop_cnt; i++) {
3782 r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase));
3783 *data_ptr++ = cpu_to_le32(r_value);
3784 r_addr += r_stride;
3785 }
3786 *d_ptr = data_ptr;
3787}
3788
3789static void
3790qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
3791 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3792{
3793 struct qla_hw_data *ha = vha->hw;
3794 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
3795 struct qla82xx_md_entry_mux *mux_hdr;
3796 uint32_t *data_ptr = *d_ptr;
3797
3798 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
3799 r_addr = mux_hdr->read_addr;
3800 s_addr = mux_hdr->select_addr;
3801 s_stride = mux_hdr->select_value_stride;
3802 s_value = mux_hdr->select_value;
3803 loop_cnt = mux_hdr->op_count;
3804
3805 for (i = 0; i < loop_cnt; i++) {
3806 qla82xx_md_rw_32(ha, s_addr, s_value, 1);
3807 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3808 *data_ptr++ = cpu_to_le32(s_value);
3809 *data_ptr++ = cpu_to_le32(r_value);
3810 s_value += s_stride;
3811 }
3812 *d_ptr = data_ptr;
3813}
3814
3815static void
3816qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
3817 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3818{
3819 struct qla_hw_data *ha = vha->hw;
3820 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3821 struct qla82xx_md_entry_crb *crb_hdr;
3822 uint32_t *data_ptr = *d_ptr;
3823
3824 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
3825 r_addr = crb_hdr->addr;
3826 r_stride = crb_hdr->crb_strd.addr_stride;
3827 loop_cnt = crb_hdr->op_count;
3828
3829 for (i = 0; i < loop_cnt; i++) {
3830 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3831 *data_ptr++ = cpu_to_le32(r_addr);
3832 *data_ptr++ = cpu_to_le32(r_value);
3833 r_addr += r_stride;
3834 }
3835 *d_ptr = data_ptr;
3836}
3837
3838static int
3839qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
3840 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3841{
3842 struct qla_hw_data *ha = vha->hw;
3843 uint32_t addr, r_addr, c_addr, t_r_addr;
3844 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3845 unsigned long p_wait, w_time, p_mask;
3846 uint32_t c_value_w, c_value_r;
3847 struct qla82xx_md_entry_cache *cache_hdr;
3848 int rval = QLA_FUNCTION_FAILED;
3849 uint32_t *data_ptr = *d_ptr;
3850
3851 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3852 loop_count = cache_hdr->op_count;
3853 r_addr = cache_hdr->read_addr;
3854 c_addr = cache_hdr->control_addr;
3855 c_value_w = cache_hdr->cache_ctrl.write_value;
3856
3857 t_r_addr = cache_hdr->tag_reg_addr;
3858 t_value = cache_hdr->addr_ctrl.init_tag_value;
3859 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3860 p_wait = cache_hdr->cache_ctrl.poll_wait;
3861 p_mask = cache_hdr->cache_ctrl.poll_mask;
3862
3863 for (i = 0; i < loop_count; i++) {
3864 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3865 if (c_value_w)
3866 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3867
3868 if (p_mask) {
3869 w_time = jiffies + p_wait;
3870 do {
3871 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
3872 if ((c_value_r & p_mask) == 0)
3873 break;
3874 else if (time_after_eq(jiffies, w_time)) {
3875 /* capturing dump failed */
3876 ql_dbg(ql_dbg_p3p, vha, 0xb032,
3877 "c_value_r: 0x%x, poll_mask: 0x%lx, "
3878 "w_time: 0x%lx\n",
3879 c_value_r, p_mask, w_time);
3880 return rval;
3881 }
3882 } while (1);
3883 }
3884
3885 addr = r_addr;
3886 for (k = 0; k < r_cnt; k++) {
3887 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3888 *data_ptr++ = cpu_to_le32(r_value);
3889 addr += cache_hdr->read_ctrl.read_addr_stride;
3890 }
3891 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3892 }
3893 *d_ptr = data_ptr;
3894 return QLA_SUCCESS;
3895}
3896
3897static void
3898qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
3899 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3900{
3901 struct qla_hw_data *ha = vha->hw;
3902 uint32_t addr, r_addr, c_addr, t_r_addr;
3903 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3904 uint32_t c_value_w;
3905 struct qla82xx_md_entry_cache *cache_hdr;
3906 uint32_t *data_ptr = *d_ptr;
3907
3908 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3909 loop_count = cache_hdr->op_count;
3910 r_addr = cache_hdr->read_addr;
3911 c_addr = cache_hdr->control_addr;
3912 c_value_w = cache_hdr->cache_ctrl.write_value;
3913
3914 t_r_addr = cache_hdr->tag_reg_addr;
3915 t_value = cache_hdr->addr_ctrl.init_tag_value;
3916 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3917
3918 for (i = 0; i < loop_count; i++) {
3919 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3920 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3921 addr = r_addr;
3922 for (k = 0; k < r_cnt; k++) {
3923 r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3924 *data_ptr++ = cpu_to_le32(r_value);
3925 addr += cache_hdr->read_ctrl.read_addr_stride;
3926 }
3927 t_value += cache_hdr->addr_ctrl.tag_value_stride;
3928 }
3929 *d_ptr = data_ptr;
3930}
3931
3932static void
3933qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
3934 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3935{
3936 struct qla_hw_data *ha = vha->hw;
3937 uint32_t s_addr, r_addr;
3938 uint32_t r_stride, r_value, r_cnt, qid = 0;
3939 uint32_t i, k, loop_cnt;
3940 struct qla82xx_md_entry_queue *q_hdr;
3941 uint32_t *data_ptr = *d_ptr;
3942
3943 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
3944 s_addr = q_hdr->select_addr;
3945 r_cnt = q_hdr->rd_strd.read_addr_cnt;
3946 r_stride = q_hdr->rd_strd.read_addr_stride;
3947 loop_cnt = q_hdr->op_count;
3948
3949 for (i = 0; i < loop_cnt; i++) {
3950 qla82xx_md_rw_32(ha, s_addr, qid, 1);
3951 r_addr = q_hdr->read_addr;
3952 for (k = 0; k < r_cnt; k++) {
3953 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3954 *data_ptr++ = cpu_to_le32(r_value);
3955 r_addr += r_stride;
3956 }
3957 qid += q_hdr->q_strd.queue_id_stride;
3958 }
3959 *d_ptr = data_ptr;
3960}
3961
3962static void
3963qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
3964 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3965{
3966 struct qla_hw_data *ha = vha->hw;
3967 uint32_t r_addr, r_value;
3968 uint32_t i, loop_cnt;
3969 struct qla82xx_md_entry_rdrom *rom_hdr;
3970 uint32_t *data_ptr = *d_ptr;
3971
3972 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
3973 r_addr = rom_hdr->read_addr;
3974 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
3975
3976 for (i = 0; i < loop_cnt; i++) {
3977 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
3978 (r_addr & 0xFFFF0000), 1);
3979 r_value = qla82xx_md_rw_32(ha,
3980 MD_DIRECT_ROM_READ_BASE +
3981 (r_addr & 0x0000FFFF), 0, 0);
3982 *data_ptr++ = cpu_to_le32(r_value);
3983 r_addr += sizeof(uint32_t);
3984 }
3985 *d_ptr = data_ptr;
3986}
3987
3988static int
3989qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
3990 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3991{
3992 struct qla_hw_data *ha = vha->hw;
3993 uint32_t r_addr, r_value, r_data;
3994 uint32_t i, j, loop_cnt;
3995 struct qla82xx_md_entry_rdmem *m_hdr;
3996 unsigned long flags;
3997 int rval = QLA_FUNCTION_FAILED;
3998 uint32_t *data_ptr = *d_ptr;
3999
4000 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
4001 r_addr = m_hdr->read_addr;
4002 loop_cnt = m_hdr->read_data_size/16;
4003
4004 if (r_addr & 0xf) {
4005 ql_log(ql_log_warn, vha, 0xb033,
4006 "Read addr 0x%x not 16 bytes alligned\n", r_addr);
4007 return rval;
4008 }
4009
4010 if (m_hdr->read_data_size % 16) {
4011 ql_log(ql_log_warn, vha, 0xb034,
4012 "Read data[0x%x] not multiple of 16 bytes\n",
4013 m_hdr->read_data_size);
4014 return rval;
4015 }
4016
4017 ql_dbg(ql_dbg_p3p, vha, 0xb035,
4018 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
4019 __func__, r_addr, m_hdr->read_data_size, loop_cnt);
4020
4021 write_lock_irqsave(&ha->hw_lock, flags);
4022 for (i = 0; i < loop_cnt; i++) {
4023 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
4024 r_value = 0;
4025 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
4026 r_value = MIU_TA_CTL_ENABLE;
4027 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4028 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
4029 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4030
4031 for (j = 0; j < MAX_CTL_CHECK; j++) {
4032 r_value = qla82xx_md_rw_32(ha,
4033 MD_MIU_TEST_AGT_CTRL, 0, 0);
4034 if ((r_value & MIU_TA_CTL_BUSY) == 0)
4035 break;
4036 }
4037
4038 if (j >= MAX_CTL_CHECK) {
4039 printk_ratelimited(KERN_ERR
4040 "failed to read through agent\n");
4041 write_unlock_irqrestore(&ha->hw_lock, flags);
4042 return rval;
4043 }
4044
4045 for (j = 0; j < 4; j++) {
4046 r_data = qla82xx_md_rw_32(ha,
4047 MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
4048 *data_ptr++ = cpu_to_le32(r_data);
4049 }
4050 r_addr += 16;
4051 }
4052 write_unlock_irqrestore(&ha->hw_lock, flags);
4053 *d_ptr = data_ptr;
4054 return QLA_SUCCESS;
4055}
4056
4057static int
4058qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
4059{
4060 struct qla_hw_data *ha = vha->hw;
4061 uint64_t chksum = 0;
4062 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
4063 int count = ha->md_template_size/sizeof(uint32_t);
4064
4065 while (count-- > 0)
4066 chksum += *d_ptr++;
4067 while (chksum >> 32)
4068 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
4069 return ~chksum;
4070}
4071
4072static void
4073qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
4074 qla82xx_md_entry_hdr_t *entry_hdr, int index)
4075{
4076 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
4077 ql_dbg(ql_dbg_p3p, vha, 0xb036,
4078 "Skipping entry[%d]: "
4079 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4080 index, entry_hdr->entry_type,
4081 entry_hdr->d_ctrl.entry_capture_mask);
4082}
4083
4084int
4085qla82xx_md_collect(scsi_qla_host_t *vha)
4086{
4087 struct qla_hw_data *ha = vha->hw;
4088 int no_entry_hdr = 0;
4089 qla82xx_md_entry_hdr_t *entry_hdr;
4090 struct qla82xx_md_template_hdr *tmplt_hdr;
4091 uint32_t *data_ptr;
4092 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
4093 int i = 0, rval = QLA_FUNCTION_FAILED;
4094
4095 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4096 data_ptr = (uint32_t *)ha->md_dump;
4097
4098 if (ha->fw_dumped) {
a8faa263
GM		 4099 ql_log(ql_log_warn, vha, 0xb037,
4100 "Firmware has been previously dumped (%p) "
4101 "-- ignoring request.\n", ha->fw_dump);
08de2844
GM		 4102 goto md_failed;
4103 }
4104
4105 ha->fw_dumped = 0;
4106
4107 if (!ha->md_tmplt_hdr || !ha->md_dump) {
4108 ql_log(ql_log_warn, vha, 0xb038,
4109 "Memory not allocated for minidump capture\n");
4110 goto md_failed;
4111 }
4112
4113 if (qla82xx_validate_template_chksum(vha)) {
4114 ql_log(ql_log_info, vha, 0xb039,
4115 "Template checksum validation error\n");
4116 goto md_failed;
4117 }
4118
4119 no_entry_hdr = tmplt_hdr->num_of_entries;
4120 ql_dbg(ql_dbg_p3p, vha, 0xb03a,
4121 "No of entry headers in Template: 0x%x\n", no_entry_hdr);
4122
4123 ql_dbg(ql_dbg_p3p, vha, 0xb03b,
4124 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
4125
4126 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
4127
4128 /* Validate whether required debug level is set */
4129 if ((f_capture_mask & 0x3) != 0x3) {
4130 ql_log(ql_log_warn, vha, 0xb03c,
4131 "Minimum required capture mask[0x%x] level not set\n",
4132 f_capture_mask);
4133 goto md_failed;
4134 }
4135 tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
4136
4137 tmplt_hdr->driver_info[0] = vha->host_no;
4138 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
4139 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
4140 QLA_DRIVER_BETA_VER;
4141
4142 total_data_size = ha->md_dump_size;
4143
880fdedb 4144 ql_dbg(ql_dbg_p3p, vha, 0xb03d,
08de2844
GM		 4145 "Total minidump data_size 0x%x to be captured\n", total_data_size);
4146
4147 /* Check whether template obtained is valid */
4148 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
4149 ql_log(ql_log_warn, vha, 0xb04e,
4150 "Bad template header entry type: 0x%x obtained\n",
4151 tmplt_hdr->entry_type);
4152 goto md_failed;
4153 }
4154
4155 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4156 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
4157
4158 /* Walk through the entry headers */
4159 for (i = 0; i < no_entry_hdr; i++) {
4160
4161 if (data_collected > total_data_size) {
4162 ql_log(ql_log_warn, vha, 0xb03e,
4163 "More MiniDump data collected: [0x%x]\n",
4164 data_collected);
4165 goto md_failed;
4166 }
4167
4168 if (!(entry_hdr->d_ctrl.entry_capture_mask &
4169 ql2xmdcapmask)) {
4170 entry_hdr->d_ctrl.driver_flags |=
4171 QLA82XX_DBG_SKIPPED_FLAG;
4172 ql_dbg(ql_dbg_p3p, vha, 0xb03f,
4173 "Skipping entry[%d]: "
4174 "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4175 i, entry_hdr->entry_type,
4176 entry_hdr->d_ctrl.entry_capture_mask);
4177 goto skip_nxt_entry;
4178 }
4179
4180 ql_dbg(ql_dbg_p3p, vha, 0xb040,
4181 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
4182 "entry_type: 0x%x, captrue_mask: 0x%x\n",
4183 __func__, i, data_ptr, entry_hdr,
4184 entry_hdr->entry_type,
4185 entry_hdr->d_ctrl.entry_capture_mask);
4186
4187 ql_dbg(ql_dbg_p3p, vha, 0xb041,
4188 "Data collected: [0x%x], Dump size left:[0x%x]\n",
4189 data_collected, (ha->md_dump_size - data_collected));
4190
4191 /* Decode the entry type and take
4192 * required action to capture debug data */
4193 switch (entry_hdr->entry_type) {
4194 case QLA82XX_RDEND:
4195 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4196 break;
4197 case QLA82XX_CNTRL:
4198 rval = qla82xx_minidump_process_control(vha,
4199 entry_hdr, &data_ptr);
4200 if (rval != QLA_SUCCESS) {
4201 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4202 goto md_failed;
4203 }
4204 break;
4205 case QLA82XX_RDCRB:
4206 qla82xx_minidump_process_rdcrb(vha,
4207 entry_hdr, &data_ptr);
4208 break;
4209 case QLA82XX_RDMEM:
4210 rval = qla82xx_minidump_process_rdmem(vha,
4211 entry_hdr, &data_ptr);
4212 if (rval != QLA_SUCCESS) {
4213 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4214 goto md_failed;
4215 }
4216 break;
4217 case QLA82XX_BOARD:
4218 case QLA82XX_RDROM:
4219 qla82xx_minidump_process_rdrom(vha,
4220 entry_hdr, &data_ptr);
4221 break;
4222 case QLA82XX_L2DTG:
4223 case QLA82XX_L2ITG:
4224 case QLA82XX_L2DAT:
4225 case QLA82XX_L2INS:
4226 rval = qla82xx_minidump_process_l2tag(vha,
4227 entry_hdr, &data_ptr);
4228 if (rval != QLA_SUCCESS) {
4229 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4230 goto md_failed;
4231 }
4232 break;
4233 case QLA82XX_L1DAT:
4234 case QLA82XX_L1INS:
4235 qla82xx_minidump_process_l1cache(vha,
4236 entry_hdr, &data_ptr);
4237 break;
4238 case QLA82XX_RDOCM:
4239 qla82xx_minidump_process_rdocm(vha,
4240 entry_hdr, &data_ptr);
4241 break;
4242 case QLA82XX_RDMUX:
4243 qla82xx_minidump_process_rdmux(vha,
4244 entry_hdr, &data_ptr);
4245 break;
4246 case QLA82XX_QUEUE:
4247 qla82xx_minidump_process_queue(vha,
4248 entry_hdr, &data_ptr);
4249 break;
4250 case QLA82XX_RDNOP:
4251 default:
4252 qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4253 break;
4254 }
4255
4256 ql_dbg(ql_dbg_p3p, vha, 0xb042,
4257 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
4258
4259 data_collected = (uint8_t *)data_ptr -
4260 (uint8_t *)ha->md_dump;
4261skip_nxt_entry:
4262 entry_hdr = (qla82xx_md_entry_hdr_t *) \
4263 (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
4264 }
4265
4266 if (data_collected != total_data_size) {
880fdedb 4267 ql_dbg(ql_dbg_p3p, vha, 0xb043,
08de2844
GM		 4268 "MiniDump data mismatch: Data collected: [0x%x],"
4269 "total_data_size:[0x%x]\n",
4270 data_collected, total_data_size);
4271 goto md_failed;
4272 }
4273
4274 ql_log(ql_log_info, vha, 0xb044,
4275 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
4276 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
4277 ha->fw_dumped = 1;
4278 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
4279
4280md_failed:
4281 return rval;
4282}
4283
4284int
4285qla82xx_md_alloc(scsi_qla_host_t *vha)
4286{
4287 struct qla_hw_data *ha = vha->hw;
4288 int i, k;
4289 struct qla82xx_md_template_hdr *tmplt_hdr;
4290
4291 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4292
4293 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
4294 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
4295 ql_log(ql_log_info, vha, 0xb045,
4296 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
4297 ql2xmdcapmask);
4298 }
4299
4300 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
4301 if (i & ql2xmdcapmask)
4302 ha->md_dump_size += tmplt_hdr->capture_size_array[k];
4303 }
4304
4305 if (ha->md_dump) {
4306 ql_log(ql_log_warn, vha, 0xb046,
4307 "Firmware dump previously allocated.\n");
4308 return 1;
4309 }
4310
4311 ha->md_dump = vmalloc(ha->md_dump_size);
4312 if (ha->md_dump == NULL) {
4313 ql_log(ql_log_warn, vha, 0xb047,
4314 "Unable to allocate memory for Minidump size "
4315 "(0x%x).\n", ha->md_dump_size);
4316 return 1;
4317 }
4318 return 0;
4319}
4320
4321void
4322qla82xx_md_free(scsi_qla_host_t *vha)
4323{
4324 struct qla_hw_data *ha = vha->hw;
4325
4326 /* Release the template header allocated */
4327 if (ha->md_tmplt_hdr) {
4328 ql_log(ql_log_info, vha, 0xb048,
4329 "Free MiniDump template: %p, size (%d KB)\n",
4330 ha->md_tmplt_hdr, ha->md_template_size / 1024);
4331 dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
4332 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4333 ha->md_tmplt_hdr = 0;
4334 }
4335
4336 /* Release the template data buffer allocated */
4337 if (ha->md_dump) {
4338 ql_log(ql_log_info, vha, 0xb049,
4339 "Free MiniDump memory: %p, size (%d KB)\n",
4340 ha->md_dump, ha->md_dump_size / 1024);
4341 vfree(ha->md_dump);
4342 ha->md_dump_size = 0;
4343 ha->md_dump = 0;
4344 }
4345}
4346
4347void
4348qla82xx_md_prep(scsi_qla_host_t *vha)
4349{
4350 struct qla_hw_data *ha = vha->hw;
4351 int rval;
4352
4353 /* Get Minidump template size */
4354 rval = qla82xx_md_get_template_size(vha);
4355 if (rval == QLA_SUCCESS) {
4356 ql_log(ql_log_info, vha, 0xb04a,
4357 "MiniDump Template size obtained (%d KB)\n",
4358 ha->md_template_size / 1024);
4359
4360 /* Get Minidump template */
4361 rval = qla82xx_md_get_template(vha);
4362 if (rval == QLA_SUCCESS) {
4363 ql_dbg(ql_dbg_p3p, vha, 0xb04b,
4364 "MiniDump Template obtained\n");
4365
4366 /* Allocate memory for minidump */
4367 rval = qla82xx_md_alloc(vha);
4368 if (rval == QLA_SUCCESS)
4369 ql_log(ql_log_info, vha, 0xb04c,
4370 "MiniDump memory allocated (%d KB)\n",
4371 ha->md_dump_size / 1024);
4372 else {
4373 ql_log(ql_log_info, vha, 0xb04d,
4374 "Free MiniDump template: %p, size: (%d KB)\n",
4375 ha->md_tmplt_hdr,
4376 ha->md_template_size / 1024);
4377 dma_free_coherent(&ha->pdev->dev,
4378 ha->md_template_size,
4379 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4380 ha->md_tmplt_hdr = 0;
4381 }
4382
4383 }
4384 }
4385}
999916dc
SK		 4386
4387int
4388qla82xx_beacon_on(struct scsi_qla_host *vha)
4389{
4390
4391 int rval;
4392 struct qla_hw_data *ha = vha->hw;
4393 qla82xx_idc_lock(ha);
4394 rval = qla82xx_mbx_beacon_ctl(vha, 1);
4395
4396 if (rval) {
4397 ql_log(ql_log_warn, vha, 0xb050,
4398 "mbx set led config failed in %s\n", __func__);
4399 goto exit;
4400 }
4401 ha->beacon_blink_led = 1;
4402exit:
4403 qla82xx_idc_unlock(ha);
4404 return rval;
4405}
4406
4407int
4408qla82xx_beacon_off(struct scsi_qla_host *vha)
4409{
4410
4411 int rval;
4412 struct qla_hw_data *ha = vha->hw;
4413 qla82xx_idc_lock(ha);
4414 rval = qla82xx_mbx_beacon_ctl(vha, 0);
4415
4416 if (rval) {
4417 ql_log(ql_log_warn, vha, 0xb051,
4418 "mbx set led config failed in %s\n", __func__);
4419 goto exit;
4420 }
4421 ha->beacon_blink_led = 0;
4422exit:
4423 qla82xx_idc_unlock(ha);
4424 return rval;
4425}
Linux 6.x block layer and io_uring tree(s)