projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
treewide: Fix typos in printk and comment
[deliverable/linux.git] / drivers / scsi / qla4xxx / ql4_nx.c
1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2012 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7 #include <linux/delay.h>
8 #include <linux/io.h>
9 #include <linux/pci.h>
10 #include <linux/ratelimit.h>
11 #include "ql4_def.h"
12 #include "ql4_glbl.h"
13 #include "ql4_inline.h"
14
15 #include <asm-generic/io-64-nonatomic-lo-hi.h>
16
17 #define MASK(n) DMA_BIT_MASK(n)
18 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
19 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
20 #define MS_WIN(addr) (addr & 0x0ffc0000)
21 #define QLA82XX_PCI_MN_2M (0)
22 #define QLA82XX_PCI_MS_2M (0x80000)
23 #define QLA82XX_PCI_OCM0_2M (0xc0000)
24 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
25 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
26
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 CRB_HI(off) ((qla4_82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
32 ((off) & 0xf0000))
33 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
34 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
35 #define CRB_INDIRECT_2M (0x1e0000UL)
36
37 static inline void __iomem *
38 qla4_8xxx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off)
39 {
40 if ((off < ha->first_page_group_end) &&
41 (off >= ha->first_page_group_start))
42 return (void __iomem *)(ha->nx_pcibase + off);
43
44 return NULL;
45 }
46
47 #define MAX_CRB_XFORM 60
48 static unsigned long crb_addr_xform[MAX_CRB_XFORM];
49 static int qla4_8xxx_crb_table_initialized;
50
51 #define qla4_8xxx_crb_addr_transform(name) \
52 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
53 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
54 static void
55 qla4_82xx_crb_addr_transform_setup(void)
56 {
57 qla4_8xxx_crb_addr_transform(XDMA);
58 qla4_8xxx_crb_addr_transform(TIMR);
59 qla4_8xxx_crb_addr_transform(SRE);
60 qla4_8xxx_crb_addr_transform(SQN3);
61 qla4_8xxx_crb_addr_transform(SQN2);
62 qla4_8xxx_crb_addr_transform(SQN1);
63 qla4_8xxx_crb_addr_transform(SQN0);
64 qla4_8xxx_crb_addr_transform(SQS3);
65 qla4_8xxx_crb_addr_transform(SQS2);
66 qla4_8xxx_crb_addr_transform(SQS1);
67 qla4_8xxx_crb_addr_transform(SQS0);
68 qla4_8xxx_crb_addr_transform(RPMX7);
69 qla4_8xxx_crb_addr_transform(RPMX6);
70 qla4_8xxx_crb_addr_transform(RPMX5);
71 qla4_8xxx_crb_addr_transform(RPMX4);
72 qla4_8xxx_crb_addr_transform(RPMX3);
73 qla4_8xxx_crb_addr_transform(RPMX2);
74 qla4_8xxx_crb_addr_transform(RPMX1);
75 qla4_8xxx_crb_addr_transform(RPMX0);
76 qla4_8xxx_crb_addr_transform(ROMUSB);
77 qla4_8xxx_crb_addr_transform(SN);
78 qla4_8xxx_crb_addr_transform(QMN);
79 qla4_8xxx_crb_addr_transform(QMS);
80 qla4_8xxx_crb_addr_transform(PGNI);
81 qla4_8xxx_crb_addr_transform(PGND);
82 qla4_8xxx_crb_addr_transform(PGN3);
83 qla4_8xxx_crb_addr_transform(PGN2);
84 qla4_8xxx_crb_addr_transform(PGN1);
85 qla4_8xxx_crb_addr_transform(PGN0);
86 qla4_8xxx_crb_addr_transform(PGSI);
87 qla4_8xxx_crb_addr_transform(PGSD);
88 qla4_8xxx_crb_addr_transform(PGS3);
89 qla4_8xxx_crb_addr_transform(PGS2);
90 qla4_8xxx_crb_addr_transform(PGS1);
91 qla4_8xxx_crb_addr_transform(PGS0);
92 qla4_8xxx_crb_addr_transform(PS);
93 qla4_8xxx_crb_addr_transform(PH);
94 qla4_8xxx_crb_addr_transform(NIU);
95 qla4_8xxx_crb_addr_transform(I2Q);
96 qla4_8xxx_crb_addr_transform(EG);
97 qla4_8xxx_crb_addr_transform(MN);
98 qla4_8xxx_crb_addr_transform(MS);
99 qla4_8xxx_crb_addr_transform(CAS2);
100 qla4_8xxx_crb_addr_transform(CAS1);
101 qla4_8xxx_crb_addr_transform(CAS0);
102 qla4_8xxx_crb_addr_transform(CAM);
103 qla4_8xxx_crb_addr_transform(C2C1);
104 qla4_8xxx_crb_addr_transform(C2C0);
105 qla4_8xxx_crb_addr_transform(SMB);
106 qla4_8xxx_crb_addr_transform(OCM0);
107 qla4_8xxx_crb_addr_transform(I2C0);
108
109 qla4_8xxx_crb_table_initialized = 1;
110 }
111
112 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
113 {{{0, 0, 0, 0} } }, /* 0: PCI */
114 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
115 {1, 0x0110000, 0x0120000, 0x130000},
116 {1, 0x0120000, 0x0122000, 0x124000},
117 {1, 0x0130000, 0x0132000, 0x126000},
118 {1, 0x0140000, 0x0142000, 0x128000},
119 {1, 0x0150000, 0x0152000, 0x12a000},
120 {1, 0x0160000, 0x0170000, 0x110000},
121 {1, 0x0170000, 0x0172000, 0x12e000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {0, 0x0000000, 0x0000000, 0x000000},
125 {0, 0x0000000, 0x0000000, 0x000000},
126 {0, 0x0000000, 0x0000000, 0x000000},
127 {0, 0x0000000, 0x0000000, 0x000000},
128 {1, 0x01e0000, 0x01e0800, 0x122000},
129 {0, 0x0000000, 0x0000000, 0x000000} } },
130 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
131 {{{0, 0, 0, 0} } }, /* 3: */
132 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
133 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
134 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
135 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
136 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
137 {0, 0x0000000, 0x0000000, 0x000000},
138 {0, 0x0000000, 0x0000000, 0x000000},
139 {0, 0x0000000, 0x0000000, 0x000000},
140 {0, 0x0000000, 0x0000000, 0x000000},
141 {0, 0x0000000, 0x0000000, 0x000000},
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {0, 0x0000000, 0x0000000, 0x000000},
144 {0, 0x0000000, 0x0000000, 0x000000},
145 {0, 0x0000000, 0x0000000, 0x000000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {0, 0x0000000, 0x0000000, 0x000000},
148 {0, 0x0000000, 0x0000000, 0x000000},
149 {0, 0x0000000, 0x0000000, 0x000000},
150 {0, 0x0000000, 0x0000000, 0x000000},
151 {1, 0x08f0000, 0x08f2000, 0x172000} } },
152 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
153 {0, 0x0000000, 0x0000000, 0x000000},
154 {0, 0x0000000, 0x0000000, 0x000000},
155 {0, 0x0000000, 0x0000000, 0x000000},
156 {0, 0x0000000, 0x0000000, 0x000000},
157 {0, 0x0000000, 0x0000000, 0x000000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000},
167 {1, 0x09f0000, 0x09f2000, 0x176000} } },
168 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
169 {0, 0x0000000, 0x0000000, 0x000000},
170 {0, 0x0000000, 0x0000000, 0x000000},
171 {0, 0x0000000, 0x0000000, 0x000000},
172 {0, 0x0000000, 0x0000000, 0x000000},
173 {0, 0x0000000, 0x0000000, 0x000000},
174 {0, 0x0000000, 0x0000000, 0x000000},
175 {0, 0x0000000, 0x0000000, 0x000000},
176 {0, 0x0000000, 0x0000000, 0x000000},
177 {0, 0x0000000, 0x0000000, 0x000000},
178 {0, 0x0000000, 0x0000000, 0x000000},
179 {0, 0x0000000, 0x0000000, 0x000000},
180 {0, 0x0000000, 0x0000000, 0x000000},
181 {0, 0x0000000, 0x0000000, 0x000000},
182 {0, 0x0000000, 0x0000000, 0x000000},
183 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
184 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
185 {0, 0x0000000, 0x0000000, 0x000000},
186 {0, 0x0000000, 0x0000000, 0x000000},
187 {0, 0x0000000, 0x0000000, 0x000000},
188 {0, 0x0000000, 0x0000000, 0x000000},
189 {0, 0x0000000, 0x0000000, 0x000000},
190 {0, 0x0000000, 0x0000000, 0x000000},
191 {0, 0x0000000, 0x0000000, 0x000000},
192 {0, 0x0000000, 0x0000000, 0x000000},
193 {0, 0x0000000, 0x0000000, 0x000000},
194 {0, 0x0000000, 0x0000000, 0x000000},
195 {0, 0x0000000, 0x0000000, 0x000000},
196 {0, 0x0000000, 0x0000000, 0x000000},
197 {0, 0x0000000, 0x0000000, 0x000000},
198 {0, 0x0000000, 0x0000000, 0x000000},
199 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
200 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
201 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
202 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
203 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
204 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
205 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
206 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
207 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
208 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
209 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
210 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
211 {{{0, 0, 0, 0} } }, /* 23: */
212 {{{0, 0, 0, 0} } }, /* 24: */
213 {{{0, 0, 0, 0} } }, /* 25: */
214 {{{0, 0, 0, 0} } }, /* 26: */
215 {{{0, 0, 0, 0} } }, /* 27: */
216 {{{0, 0, 0, 0} } }, /* 28: */
217 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
218 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
219 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
220 {{{0} } }, /* 32: PCI */
221 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
222 {1, 0x2110000, 0x2120000, 0x130000},
223 {1, 0x2120000, 0x2122000, 0x124000},
224 {1, 0x2130000, 0x2132000, 0x126000},
225 {1, 0x2140000, 0x2142000, 0x128000},
226 {1, 0x2150000, 0x2152000, 0x12a000},
227 {1, 0x2160000, 0x2170000, 0x110000},
228 {1, 0x2170000, 0x2172000, 0x12e000},
229 {0, 0x0000000, 0x0000000, 0x000000},
230 {0, 0x0000000, 0x0000000, 0x000000},
231 {0, 0x0000000, 0x0000000, 0x000000},
232 {0, 0x0000000, 0x0000000, 0x000000},
233 {0, 0x0000000, 0x0000000, 0x000000},
234 {0, 0x0000000, 0x0000000, 0x000000},
235 {0, 0x0000000, 0x0000000, 0x000000},
236 {0, 0x0000000, 0x0000000, 0x000000} } },
237 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
238 {{{0} } }, /* 35: */
239 {{{0} } }, /* 36: */
240 {{{0} } }, /* 37: */
241 {{{0} } }, /* 38: */
242 {{{0} } }, /* 39: */
243 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
244 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
245 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
246 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
247 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
248 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
249 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
250 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
251 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
252 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
253 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
254 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
255 {{{0} } }, /* 52: */
256 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
257 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
258 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
259 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
260 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
261 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
262 {{{0} } }, /* 59: I2C0 */
263 {{{0} } }, /* 60: I2C1 */
264 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },/* 61: LPC */
265 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
266 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
267 };
268
269 /*
270 * top 12 bits of crb internal address (hub, agent)
271 */
272 static unsigned qla4_82xx_crb_hub_agt[64] = {
273 0,
274 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
275 QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
276 QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
277 0,
278 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
279 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
280 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
281 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
282 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
283 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
284 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
285 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
286 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
287 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
289 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
296 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
298 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
299 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
300 0,
301 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
302 QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
303 0,
304 QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
305 0,
306 QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
307 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
308 0,
309 0,
310 0,
311 0,
312 0,
313 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
314 0,
315 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
316 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
318 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
322 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
323 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
324 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
325 0,
326 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
327 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
328 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
329 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
330 0,
331 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
332 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
333 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
334 0,
335 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
336 0,
337 };
338
339 /* Device states */
340 static char *qdev_state[] = {
341 "Unknown",
342 "Cold",
343 "Initializing",
344 "Ready",
345 "Need Reset",
346 "Need Quiescent",
347 "Failed",
348 "Quiescent",
349 };
350
351 /*
352 * In: 'off' is offset from CRB space in 128M pci map
353 * Out: 'off' is 2M pci map addr
354 * side effect: lock crb window
355 */
356 static void
357 qla4_82xx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off)
358 {
359 u32 win_read;
360
361 ha->crb_win = CRB_HI(*off);
362 writel(ha->crb_win,
363 (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
364
365 /* Read back value to make sure write has gone through before trying
366 * to use it. */
367 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
368 if (win_read != ha->crb_win) {
369 DEBUG2(ql4_printk(KERN_INFO, ha,
370 "%s: Written crbwin (0x%x) != Read crbwin (0x%x),"
371 " off=0x%lx\n", __func__, ha->crb_win, win_read, *off));
372 }
373 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
374 }
375
376 void
377 qla4_82xx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data)
378 {
379 unsigned long flags = 0;
380 int rv;
381
382 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off);
383
384 BUG_ON(rv == -1);
385
386 if (rv == 1) {
387 write_lock_irqsave(&ha->hw_lock, flags);
388 qla4_82xx_crb_win_lock(ha);
389 qla4_82xx_pci_set_crbwindow_2M(ha, &off);
390 }
391
392 writel(data, (void __iomem *)off);
393
394 if (rv == 1) {
395 qla4_82xx_crb_win_unlock(ha);
396 write_unlock_irqrestore(&ha->hw_lock, flags);
397 }
398 }
399
400 uint32_t qla4_82xx_rd_32(struct scsi_qla_host *ha, ulong off)
401 {
402 unsigned long flags = 0;
403 int rv;
404 u32 data;
405
406 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off);
407
408 BUG_ON(rv == -1);
409
410 if (rv == 1) {
411 write_lock_irqsave(&ha->hw_lock, flags);
412 qla4_82xx_crb_win_lock(ha);
413 qla4_82xx_pci_set_crbwindow_2M(ha, &off);
414 }
415 data = readl((void __iomem *)off);
416
417 if (rv == 1) {
418 qla4_82xx_crb_win_unlock(ha);
419 write_unlock_irqrestore(&ha->hw_lock, flags);
420 }
421 return data;
422 }
423
424 /* Minidump related functions */
425 int qla4_82xx_md_rd_32(struct scsi_qla_host *ha, uint32_t off, uint32_t *data)
426 {
427 uint32_t win_read, off_value;
428 int rval = QLA_SUCCESS;
429
430 off_value = off & 0xFFFF0000;
431 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
432
433 /*
434 * Read back value to make sure write has gone through before trying
435 * to use it.
436 */
437 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
438 if (win_read != off_value) {
439 DEBUG2(ql4_printk(KERN_INFO, ha,
440 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n",
441 __func__, off_value, win_read, off));
442 rval = QLA_ERROR;
443 } else {
444 off_value = off & 0x0000FFFF;
445 *data = readl((void __iomem *)(off_value + CRB_INDIRECT_2M +
446 ha->nx_pcibase));
447 }
448 return rval;
449 }
450
451 int qla4_82xx_md_wr_32(struct scsi_qla_host *ha, uint32_t off, uint32_t data)
452 {
453 uint32_t win_read, off_value;
454 int rval = QLA_SUCCESS;
455
456 off_value = off & 0xFFFF0000;
457 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
458
459 /* Read back value to make sure write has gone through before trying
460 * to use it.
461 */
462 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase));
463 if (win_read != off_value) {
464 DEBUG2(ql4_printk(KERN_INFO, ha,
465 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n",
466 __func__, off_value, win_read, off));
467 rval = QLA_ERROR;
468 } else {
469 off_value = off & 0x0000FFFF;
470 writel(data, (void __iomem *)(off_value + CRB_INDIRECT_2M +
471 ha->nx_pcibase));
472 }
473 return rval;
474 }
475
476 #define CRB_WIN_LOCK_TIMEOUT 100000000
477
478 int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha)
479 {
480 int i;
481 int done = 0, timeout = 0;
482
483 while (!done) {
484 /* acquire semaphore3 from PCI HW block */
485 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
486 if (done == 1)
487 break;
488 if (timeout >= CRB_WIN_LOCK_TIMEOUT)
489 return -1;
490
491 timeout++;
492
493 /* Yield CPU */
494 if (!in_interrupt())
495 schedule();
496 else {
497 for (i = 0; i < 20; i++)
498 cpu_relax(); /*This a nop instr on i386*/
499 }
500 }
501 qla4_82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num);
502 return 0;
503 }
504
505 void qla4_82xx_crb_win_unlock(struct scsi_qla_host *ha)
506 {
507 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
508 }
509
510 #define IDC_LOCK_TIMEOUT 100000000
511
512 /**
513 * qla4_82xx_idc_lock - hw_lock
514 * @ha: pointer to adapter structure
515 *
516 * General purpose lock used to synchronize access to
517 * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc.
518 **/
519 int qla4_82xx_idc_lock(struct scsi_qla_host *ha)
520 {
521 int i;
522 int done = 0, timeout = 0;
523
524 while (!done) {
525 /* acquire semaphore5 from PCI HW block */
526 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
527 if (done == 1)
528 break;
529 if (timeout >= IDC_LOCK_TIMEOUT)
530 return -1;
531
532 timeout++;
533
534 /* Yield CPU */
535 if (!in_interrupt())
536 schedule();
537 else {
538 for (i = 0; i < 20; i++)
539 cpu_relax(); /*This a nop instr on i386*/
540 }
541 }
542 return 0;
543 }
544
545 void qla4_82xx_idc_unlock(struct scsi_qla_host *ha)
546 {
547 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
548 }
549
550 int
551 qla4_82xx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off)
552 {
553 struct crb_128M_2M_sub_block_map *m;
554
555 if (*off >= QLA82XX_CRB_MAX)
556 return -1;
557
558 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
559 *off = (*off - QLA82XX_PCI_CAMQM) +
560 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
561 return 0;
562 }
563
564 if (*off < QLA82XX_PCI_CRBSPACE)
565 return -1;
566
567 *off -= QLA82XX_PCI_CRBSPACE;
568 /*
569 * Try direct map
570 */
571
572 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
573
574 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
575 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
576 return 0;
577 }
578
579 /*
580 * Not in direct map, use crb window
581 */
582 return 1;
583 }
584
585 /*
586 * check memory access boundary.
587 * used by test agent. support ddr access only for now
588 */
589 static unsigned long
590 qla4_82xx_pci_mem_bound_check(struct scsi_qla_host *ha,
591 unsigned long long addr, int size)
592 {
593 if (!QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET,
594 QLA8XXX_ADDR_DDR_NET_MAX) ||
595 !QLA8XXX_ADDR_IN_RANGE(addr + size - 1,
596 QLA8XXX_ADDR_DDR_NET, QLA8XXX_ADDR_DDR_NET_MAX) ||
597 ((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
598 return 0;
599 }
600 return 1;
601 }
602
603 static int qla4_82xx_pci_set_window_warning_count;
604
605 static unsigned long
606 qla4_82xx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr)
607 {
608 int window;
609 u32 win_read;
610
611 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET,
612 QLA8XXX_ADDR_DDR_NET_MAX)) {
613 /* DDR network side */
614 window = MN_WIN(addr);
615 ha->ddr_mn_window = window;
616 qla4_82xx_wr_32(ha, ha->mn_win_crb |
617 QLA82XX_PCI_CRBSPACE, window);
618 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb |
619 QLA82XX_PCI_CRBSPACE);
620 if ((win_read << 17) != window) {
621 ql4_printk(KERN_WARNING, ha,
622 "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n",
623 __func__, window, win_read);
624 }
625 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
626 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0,
627 QLA8XXX_ADDR_OCM0_MAX)) {
628 unsigned int temp1;
629 /* if bits 19:18&17:11 are on */
630 if ((addr & 0x00ff800) == 0xff800) {
631 printk("%s: QM access not handled.\n", __func__);
632 addr = -1UL;
633 }
634
635 window = OCM_WIN(addr);
636 ha->ddr_mn_window = window;
637 qla4_82xx_wr_32(ha, ha->mn_win_crb |
638 QLA82XX_PCI_CRBSPACE, window);
639 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb |
640 QLA82XX_PCI_CRBSPACE);
641 temp1 = ((window & 0x1FF) << 7) |
642 ((window & 0x0FFFE0000) >> 17);
643 if (win_read != temp1) {
644 printk("%s: Written OCMwin (0x%x) != Read"
645 " OCMwin (0x%x)\n", __func__, temp1, win_read);
646 }
647 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
648
649 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET,
650 QLA82XX_P3_ADDR_QDR_NET_MAX)) {
651 /* QDR network side */
652 window = MS_WIN(addr);
653 ha->qdr_sn_window = window;
654 qla4_82xx_wr_32(ha, ha->ms_win_crb |
655 QLA82XX_PCI_CRBSPACE, window);
656 win_read = qla4_82xx_rd_32(ha,
657 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
658 if (win_read != window) {
659 printk("%s: Written MSwin (0x%x) != Read "
660 "MSwin (0x%x)\n", __func__, window, win_read);
661 }
662 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
663
664 } else {
665 /*
666 * peg gdb frequently accesses memory that doesn't exist,
667 * this limits the chit chat so debugging isn't slowed down.
668 */
669 if ((qla4_82xx_pci_set_window_warning_count++ < 8) ||
670 (qla4_82xx_pci_set_window_warning_count%64 == 0)) {
671 printk("%s: Warning:%s Unknown address range!\n",
672 __func__, DRIVER_NAME);
673 }
674 addr = -1UL;
675 }
676 return addr;
677 }
678
679 /* check if address is in the same windows as the previous access */
680 static int qla4_82xx_pci_is_same_window(struct scsi_qla_host *ha,
681 unsigned long long addr)
682 {
683 int window;
684 unsigned long long qdr_max;
685
686 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
687
688 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET,
689 QLA8XXX_ADDR_DDR_NET_MAX)) {
690 /* DDR network side */
691 BUG(); /* MN access can not come here */
692 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0,
693 QLA8XXX_ADDR_OCM0_MAX)) {
694 return 1;
695 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM1,
696 QLA8XXX_ADDR_OCM1_MAX)) {
697 return 1;
698 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET,
699 qdr_max)) {
700 /* QDR network side */
701 window = ((addr - QLA8XXX_ADDR_QDR_NET) >> 22) & 0x3f;
702 if (ha->qdr_sn_window == window)
703 return 1;
704 }
705
706 return 0;
707 }
708
709 static int qla4_82xx_pci_mem_read_direct(struct scsi_qla_host *ha,
710 u64 off, void *data, int size)
711 {
712 unsigned long flags;
713 void __iomem *addr;
714 int ret = 0;
715 u64 start;
716 void __iomem *mem_ptr = NULL;
717 unsigned long mem_base;
718 unsigned long mem_page;
719
720 write_lock_irqsave(&ha->hw_lock, flags);
721
722 /*
723 * If attempting to access unknown address or straddle hw windows,
724 * do not access.
725 */
726 start = qla4_82xx_pci_set_window(ha, off);
727 if ((start == -1UL) ||
728 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
729 write_unlock_irqrestore(&ha->hw_lock, flags);
730 printk(KERN_ERR"%s out of bound pci memory access. "
731 "offset is 0x%llx\n", DRIVER_NAME, off);
732 return -1;
733 }
734
735 addr = qla4_8xxx_pci_base_offsetfset(ha, start);
736 if (!addr) {
737 write_unlock_irqrestore(&ha->hw_lock, flags);
738 mem_base = pci_resource_start(ha->pdev, 0);
739 mem_page = start & PAGE_MASK;
740 /* Map two pages whenever user tries to access addresses in two
741 consecutive pages.
742 */
743 if (mem_page != ((start + size - 1) & PAGE_MASK))
744 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
745 else
746 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
747
748 if (mem_ptr == NULL) {
749 *(u8 *)data = 0;
750 return -1;
751 }
752 addr = mem_ptr;
753 addr += start & (PAGE_SIZE - 1);
754 write_lock_irqsave(&ha->hw_lock, flags);
755 }
756
757 switch (size) {
758 case 1:
759 *(u8 *)data = readb(addr);
760 break;
761 case 2:
762 *(u16 *)data = readw(addr);
763 break;
764 case 4:
765 *(u32 *)data = readl(addr);
766 break;
767 case 8:
768 *(u64 *)data = readq(addr);
769 break;
770 default:
771 ret = -1;
772 break;
773 }
774 write_unlock_irqrestore(&ha->hw_lock, flags);
775
776 if (mem_ptr)
777 iounmap(mem_ptr);
778 return ret;
779 }
780
781 static int
782 qla4_82xx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off,
783 void *data, int size)
784 {
785 unsigned long flags;
786 void __iomem *addr;
787 int ret = 0;
788 u64 start;
789 void __iomem *mem_ptr = NULL;
790 unsigned long mem_base;
791 unsigned long mem_page;
792
793 write_lock_irqsave(&ha->hw_lock, flags);
794
795 /*
796 * If attempting to access unknown address or straddle hw windows,
797 * do not access.
798 */
799 start = qla4_82xx_pci_set_window(ha, off);
800 if ((start == -1UL) ||
801 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
802 write_unlock_irqrestore(&ha->hw_lock, flags);
803 printk(KERN_ERR"%s out of bound pci memory access. "
804 "offset is 0x%llx\n", DRIVER_NAME, off);
805 return -1;
806 }
807
808 addr = qla4_8xxx_pci_base_offsetfset(ha, start);
809 if (!addr) {
810 write_unlock_irqrestore(&ha->hw_lock, flags);
811 mem_base = pci_resource_start(ha->pdev, 0);
812 mem_page = start & PAGE_MASK;
813 /* Map two pages whenever user tries to access addresses in two
814 consecutive pages.
815 */
816 if (mem_page != ((start + size - 1) & PAGE_MASK))
817 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
818 else
819 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
820 if (mem_ptr == NULL)
821 return -1;
822
823 addr = mem_ptr;
824 addr += start & (PAGE_SIZE - 1);
825 write_lock_irqsave(&ha->hw_lock, flags);
826 }
827
828 switch (size) {
829 case 1:
830 writeb(*(u8 *)data, addr);
831 break;
832 case 2:
833 writew(*(u16 *)data, addr);
834 break;
835 case 4:
836 writel(*(u32 *)data, addr);
837 break;
838 case 8:
839 writeq(*(u64 *)data, addr);
840 break;
841 default:
842 ret = -1;
843 break;
844 }
845 write_unlock_irqrestore(&ha->hw_lock, flags);
846 if (mem_ptr)
847 iounmap(mem_ptr);
848 return ret;
849 }
850
851 #define MTU_FUDGE_FACTOR 100
852
853 static unsigned long
854 qla4_82xx_decode_crb_addr(unsigned long addr)
855 {
856 int i;
857 unsigned long base_addr, offset, pci_base;
858
859 if (!qla4_8xxx_crb_table_initialized)
860 qla4_82xx_crb_addr_transform_setup();
861
862 pci_base = ADDR_ERROR;
863 base_addr = addr & 0xfff00000;
864 offset = addr & 0x000fffff;
865
866 for (i = 0; i < MAX_CRB_XFORM; i++) {
867 if (crb_addr_xform[i] == base_addr) {
868 pci_base = i << 20;
869 break;
870 }
871 }
872 if (pci_base == ADDR_ERROR)
873 return pci_base;
874 else
875 return pci_base + offset;
876 }
877
878 static long rom_max_timeout = 100;
879 static long qla4_82xx_rom_lock_timeout = 100;
880
881 static int
882 qla4_82xx_rom_lock(struct scsi_qla_host *ha)
883 {
884 int i;
885 int done = 0, timeout = 0;
886
887 while (!done) {
888 /* acquire semaphore2 from PCI HW block */
889
890 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
891 if (done == 1)
892 break;
893 if (timeout >= qla4_82xx_rom_lock_timeout)
894 return -1;
895
896 timeout++;
897
898 /* Yield CPU */
899 if (!in_interrupt())
900 schedule();
901 else {
902 for (i = 0; i < 20; i++)
903 cpu_relax(); /*This a nop instr on i386*/
904 }
905 }
906 qla4_82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
907 return 0;
908 }
909
910 static void
911 qla4_82xx_rom_unlock(struct scsi_qla_host *ha)
912 {
913 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
914 }
915
916 static int
917 qla4_82xx_wait_rom_done(struct scsi_qla_host *ha)
918 {
919 long timeout = 0;
920 long done = 0 ;
921
922 while (done == 0) {
923 done = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
924 done &= 2;
925 timeout++;
926 if (timeout >= rom_max_timeout) {
927 printk("%s: Timeout reached waiting for rom done",
928 DRIVER_NAME);
929 return -1;
930 }
931 }
932 return 0;
933 }
934
935 static int
936 qla4_82xx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
937 {
938 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
939 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
940 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
941 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
942 if (qla4_82xx_wait_rom_done(ha)) {
943 printk("%s: Error waiting for rom done\n", DRIVER_NAME);
944 return -1;
945 }
946 /* reset abyte_cnt and dummy_byte_cnt */
947 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
948 udelay(10);
949 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
950
951 *valp = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
952 return 0;
953 }
954
955 static int
956 qla4_82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
957 {
958 int ret, loops = 0;
959
960 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) {
961 udelay(100);
962 loops++;
963 }
964 if (loops >= 50000) {
965 ql4_printk(KERN_WARNING, ha, "%s: qla4_82xx_rom_lock failed\n",
966 DRIVER_NAME);
967 return -1;
968 }
969 ret = qla4_82xx_do_rom_fast_read(ha, addr, valp);
970 qla4_82xx_rom_unlock(ha);
971 return ret;
972 }
973
974 /**
975 * This routine does CRB initialize sequence
976 * to put the ISP into operational state
977 **/
978 static int
979 qla4_82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose)
980 {
981 int addr, val;
982 int i ;
983 struct crb_addr_pair *buf;
984 unsigned long off;
985 unsigned offset, n;
986
987 struct crb_addr_pair {
988 long addr;
989 long data;
990 };
991
992 /* Halt all the indiviual PEGs and other blocks of the ISP */
993 qla4_82xx_rom_lock(ha);
994
995 /* disable all I2Q */
996 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
997 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
998 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
999 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1000 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1001 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1002
1003 /* disable all niu interrupts */
1004 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1005 /* disable xge rx/tx */
1006 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1007 /* disable xg1 rx/tx */
1008 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1009 /* disable sideband mac */
1010 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1011 /* disable ap0 mac */
1012 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1013 /* disable ap1 mac */
1014 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1015
1016 /* halt sre */
1017 val = qla4_82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1018 qla4_82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1019
1020 /* halt epg */
1021 qla4_82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1022
1023 /* halt timers */
1024 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1025 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1026 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1027 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1028 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1029 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1030
1031 /* halt pegs */
1032 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1033 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1034 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1035 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1036 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1037 msleep(5);
1038
1039 /* big hammer */
1040 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
1041 /* don't reset CAM block on reset */
1042 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1043 else
1044 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1045
1046 qla4_82xx_rom_unlock(ha);
1047
1048 /* Read the signature value from the flash.
1049 * Offset 0: Contain signature (0xcafecafe)
1050 * Offset 4: Offset and number of addr/value pairs
1051 * that present in CRB initialize sequence
1052 */
1053 if (qla4_82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1054 qla4_82xx_rom_fast_read(ha, 4, &n) != 0) {
1055 ql4_printk(KERN_WARNING, ha,
1056 "[ERROR] Reading crb_init area: n: %08x\n", n);
1057 return -1;
1058 }
1059
1060 /* Offset in flash = lower 16 bits
1061 * Number of enteries = upper 16 bits
1062 */
1063 offset = n & 0xffffU;
1064 n = (n >> 16) & 0xffffU;
1065
1066 /* number of addr/value pair should not exceed 1024 enteries */
1067 if (n >= 1024) {
1068 ql4_printk(KERN_WARNING, ha,
1069 "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n",
1070 DRIVER_NAME, __func__, n);
1071 return -1;
1072 }
1073
1074 ql4_printk(KERN_INFO, ha,
1075 "%s: %d CRB init values found in ROM.\n", DRIVER_NAME, n);
1076
1077 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
1078 if (buf == NULL) {
1079 ql4_printk(KERN_WARNING, ha,
1080 "%s: [ERROR] Unable to malloc memory.\n", DRIVER_NAME);
1081 return -1;
1082 }
1083
1084 for (i = 0; i < n; i++) {
1085 if (qla4_82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1086 qla4_82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) !=
1087 0) {
1088 kfree(buf);
1089 return -1;
1090 }
1091
1092 buf[i].addr = addr;
1093 buf[i].data = val;
1094 }
1095
1096 for (i = 0; i < n; i++) {
1097 /* Translate internal CRB initialization
1098 * address to PCI bus address
1099 */
1100 off = qla4_82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1101 QLA82XX_PCI_CRBSPACE;
1102 /* Not all CRB addr/value pair to be written,
1103 * some of them are skipped
1104 */
1105
1106 /* skip if LS bit is set*/
1107 if (off & 0x1) {
1108 DEBUG2(ql4_printk(KERN_WARNING, ha,
1109 "Skip CRB init replay for offset = 0x%lx\n", off));
1110 continue;
1111 }
1112
1113 /* skipping cold reboot MAGIC */
1114 if (off == QLA82XX_CAM_RAM(0x1fc))
1115 continue;
1116
1117 /* do not reset PCI */
1118 if (off == (ROMUSB_GLB + 0xbc))
1119 continue;
1120
1121 /* skip core clock, so that firmware can increase the clock */
1122 if (off == (ROMUSB_GLB + 0xc8))
1123 continue;
1124
1125 /* skip the function enable register */
1126 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1127 continue;
1128
1129 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1130 continue;
1131
1132 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1133 continue;
1134
1135 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1136 continue;
1137
1138 if (off == ADDR_ERROR) {
1139 ql4_printk(KERN_WARNING, ha,
1140 "%s: [ERROR] Unknown addr: 0x%08lx\n",
1141 DRIVER_NAME, buf[i].addr);
1142 continue;
1143 }
1144
1145 qla4_82xx_wr_32(ha, off, buf[i].data);
1146
1147 /* ISP requires much bigger delay to settle down,
1148 * else crb_window returns 0xffffffff
1149 */
1150 if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1151 msleep(1000);
1152
1153 /* ISP requires millisec delay between
1154 * successive CRB register updation
1155 */
1156 msleep(1);
1157 }
1158
1159 kfree(buf);
1160
1161 /* Resetting the data and instruction cache */
1162 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1163 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1164 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1165
1166 /* Clear all protocol processing engines */
1167 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1168 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1169 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1170 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1171 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1172 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1173 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1174 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1175
1176 return 0;
1177 }
1178
1179 static int
1180 qla4_82xx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start)
1181 {
1182 int i, rval = 0;
1183 long size = 0;
1184 long flashaddr, memaddr;
1185 u64 data;
1186 u32 high, low;
1187
1188 flashaddr = memaddr = ha->hw.flt_region_bootload;
1189 size = (image_start - flashaddr) / 8;
1190
1191 DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n",
1192 ha->host_no, __func__, flashaddr, image_start));
1193
1194 for (i = 0; i < size; i++) {
1195 if ((qla4_82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1196 (qla4_82xx_rom_fast_read(ha, flashaddr + 4,
1197 (int *)&high))) {
1198 rval = -1;
1199 goto exit_load_from_flash;
1200 }
1201 data = ((u64)high << 32) | low ;
1202 rval = qla4_82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1203 if (rval)
1204 goto exit_load_from_flash;
1205
1206 flashaddr += 8;
1207 memaddr += 8;
1208
1209 if (i % 0x1000 == 0)
1210 msleep(1);
1211
1212 }
1213
1214 udelay(100);
1215
1216 read_lock(&ha->hw_lock);
1217 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1218 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1219 read_unlock(&ha->hw_lock);
1220
1221 exit_load_from_flash:
1222 return rval;
1223 }
1224
1225 static int qla4_82xx_load_fw(struct scsi_qla_host *ha, uint32_t image_start)
1226 {
1227 u32 rst;
1228
1229 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
1230 if (qla4_82xx_pinit_from_rom(ha, 0) != QLA_SUCCESS) {
1231 printk(KERN_WARNING "%s: Error during CRB Initialization\n",
1232 __func__);
1233 return QLA_ERROR;
1234 }
1235
1236 udelay(500);
1237
1238 /* at this point, QM is in reset. This could be a problem if there are
1239 * incoming d* transition queue messages. QM/PCIE could wedge.
1240 * To get around this, QM is brought out of reset.
1241 */
1242
1243 rst = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
1244 /* unreset qm */
1245 rst &= ~(1 << 28);
1246 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
1247
1248 if (qla4_82xx_load_from_flash(ha, image_start)) {
1249 printk("%s: Error trying to load fw from flash!\n", __func__);
1250 return QLA_ERROR;
1251 }
1252
1253 return QLA_SUCCESS;
1254 }
1255
1256 int
1257 qla4_82xx_pci_mem_read_2M(struct scsi_qla_host *ha,
1258 u64 off, void *data, int size)
1259 {
1260 int i, j = 0, k, start, end, loop, sz[2], off0[2];
1261 int shift_amount;
1262 uint32_t temp;
1263 uint64_t off8, val, mem_crb, word[2] = {0, 0};
1264
1265 /*
1266 * If not MN, go check for MS or invalid.
1267 */
1268
1269 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1270 mem_crb = QLA82XX_CRB_QDR_NET;
1271 else {
1272 mem_crb = QLA82XX_CRB_DDR_NET;
1273 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0)
1274 return qla4_82xx_pci_mem_read_direct(ha,
1275 off, data, size);
1276 }
1277
1278
1279 off8 = off & 0xfffffff0;
1280 off0[0] = off & 0xf;
1281 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1282 shift_amount = 4;
1283
1284 loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1285 off0[1] = 0;
1286 sz[1] = size - sz[0];
1287
1288 for (i = 0; i < loop; i++) {
1289 temp = off8 + (i << shift_amount);
1290 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1291 temp = 0;
1292 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1293 temp = MIU_TA_CTL_ENABLE;
1294 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1295 temp = MIU_TA_CTL_START_ENABLE;
1296 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1297
1298 for (j = 0; j < MAX_CTL_CHECK; j++) {
1299 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1300 if ((temp & MIU_TA_CTL_BUSY) == 0)
1301 break;
1302 }
1303
1304 if (j >= MAX_CTL_CHECK) {
1305 printk_ratelimited(KERN_ERR
1306 "%s: failed to read through agent\n",
1307 __func__);
1308 break;
1309 }
1310
1311 start = off0[i] >> 2;
1312 end = (off0[i] + sz[i] - 1) >> 2;
1313 for (k = start; k <= end; k++) {
1314 temp = qla4_82xx_rd_32(ha,
1315 mem_crb + MIU_TEST_AGT_RDDATA(k));
1316 word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1317 }
1318 }
1319
1320 if (j >= MAX_CTL_CHECK)
1321 return -1;
1322
1323 if ((off0[0] & 7) == 0) {
1324 val = word[0];
1325 } else {
1326 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1327 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1328 }
1329
1330 switch (size) {
1331 case 1:
1332 *(uint8_t *)data = val;
1333 break;
1334 case 2:
1335 *(uint16_t *)data = val;
1336 break;
1337 case 4:
1338 *(uint32_t *)data = val;
1339 break;
1340 case 8:
1341 *(uint64_t *)data = val;
1342 break;
1343 }
1344 return 0;
1345 }
1346
1347 int
1348 qla4_82xx_pci_mem_write_2M(struct scsi_qla_host *ha,
1349 u64 off, void *data, int size)
1350 {
1351 int i, j, ret = 0, loop, sz[2], off0;
1352 int scale, shift_amount, startword;
1353 uint32_t temp;
1354 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1355
1356 /*
1357 * If not MN, go check for MS or invalid.
1358 */
1359 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1360 mem_crb = QLA82XX_CRB_QDR_NET;
1361 else {
1362 mem_crb = QLA82XX_CRB_DDR_NET;
1363 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0)
1364 return qla4_82xx_pci_mem_write_direct(ha,
1365 off, data, size);
1366 }
1367
1368 off0 = off & 0x7;
1369 sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1370 sz[1] = size - sz[0];
1371
1372 off8 = off & 0xfffffff0;
1373 loop = (((off & 0xf) + size - 1) >> 4) + 1;
1374 shift_amount = 4;
1375 scale = 2;
1376 startword = (off & 0xf)/8;
1377
1378 for (i = 0; i < loop; i++) {
1379 if (qla4_82xx_pci_mem_read_2M(ha, off8 +
1380 (i << shift_amount), &word[i * scale], 8))
1381 return -1;
1382 }
1383
1384 switch (size) {
1385 case 1:
1386 tmpw = *((uint8_t *)data);
1387 break;
1388 case 2:
1389 tmpw = *((uint16_t *)data);
1390 break;
1391 case 4:
1392 tmpw = *((uint32_t *)data);
1393 break;
1394 case 8:
1395 default:
1396 tmpw = *((uint64_t *)data);
1397 break;
1398 }
1399
1400 if (sz[0] == 8)
1401 word[startword] = tmpw;
1402 else {
1403 word[startword] &=
1404 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1405 word[startword] |= tmpw << (off0 * 8);
1406 }
1407
1408 if (sz[1] != 0) {
1409 word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1410 word[startword+1] |= tmpw >> (sz[0] * 8);
1411 }
1412
1413 for (i = 0; i < loop; i++) {
1414 temp = off8 + (i << shift_amount);
1415 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1416 temp = 0;
1417 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1418 temp = word[i * scale] & 0xffffffff;
1419 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1420 temp = (word[i * scale] >> 32) & 0xffffffff;
1421 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1422 temp = word[i*scale + 1] & 0xffffffff;
1423 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO,
1424 temp);
1425 temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1426 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI,
1427 temp);
1428
1429 temp = MIU_TA_CTL_WRITE_ENABLE;
1430 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
1431 temp = MIU_TA_CTL_WRITE_START;
1432 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
1433
1434 for (j = 0; j < MAX_CTL_CHECK; j++) {
1435 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1436 if ((temp & MIU_TA_CTL_BUSY) == 0)
1437 break;
1438 }
1439
1440 if (j >= MAX_CTL_CHECK) {
1441 if (printk_ratelimit())
1442 ql4_printk(KERN_ERR, ha,
1443 "%s: failed to read through agent\n",
1444 __func__);
1445 ret = -1;
1446 break;
1447 }
1448 }
1449
1450 return ret;
1451 }
1452
1453 static int qla4_82xx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val)
1454 {
1455 u32 val = 0;
1456 int retries = 60;
1457
1458 if (!pegtune_val) {
1459 do {
1460 val = qla4_82xx_rd_32(ha, CRB_CMDPEG_STATE);
1461 if ((val == PHAN_INITIALIZE_COMPLETE) ||
1462 (val == PHAN_INITIALIZE_ACK))
1463 return 0;
1464 set_current_state(TASK_UNINTERRUPTIBLE);
1465 schedule_timeout(500);
1466
1467 } while (--retries);
1468
1469 if (!retries) {
1470 pegtune_val = qla4_82xx_rd_32(ha,
1471 QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1472 printk(KERN_WARNING "%s: init failed, "
1473 "pegtune_val = %x\n", __func__, pegtune_val);
1474 return -1;
1475 }
1476 }
1477 return 0;
1478 }
1479
1480 static int qla4_82xx_rcvpeg_ready(struct scsi_qla_host *ha)
1481 {
1482 uint32_t state = 0;
1483 int loops = 0;
1484
1485 /* Window 1 call */
1486 read_lock(&ha->hw_lock);
1487 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE);
1488 read_unlock(&ha->hw_lock);
1489
1490 while ((state != PHAN_PEG_RCV_INITIALIZED) && (loops < 30000)) {
1491 udelay(100);
1492 /* Window 1 call */
1493 read_lock(&ha->hw_lock);
1494 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE);
1495 read_unlock(&ha->hw_lock);
1496
1497 loops++;
1498 }
1499
1500 if (loops >= 30000) {
1501 DEBUG2(ql4_printk(KERN_INFO, ha,
1502 "Receive Peg initialization not complete: 0x%x.\n", state));
1503 return QLA_ERROR;
1504 }
1505
1506 return QLA_SUCCESS;
1507 }
1508
1509 void
1510 qla4_8xxx_set_drv_active(struct scsi_qla_host *ha)
1511 {
1512 uint32_t drv_active;
1513
1514 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
1515
1516 /*
1517 * For ISP8324, drv_active register has 1 bit per function,
1518 * shift 1 by func_num to set a bit for the function.
1519 * For ISP8022, drv_active has 4 bits per function
1520 */
1521 if (is_qla8032(ha))
1522 drv_active |= (1 << ha->func_num);
1523 else
1524 drv_active |= (1 << (ha->func_num * 4));
1525
1526 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n",
1527 __func__, ha->host_no, drv_active);
1528 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active);
1529 }
1530
1531 void
1532 qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha)
1533 {
1534 uint32_t drv_active;
1535
1536 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
1537
1538 /*
1539 * For ISP8324, drv_active register has 1 bit per function,
1540 * shift 1 by func_num to set a bit for the function.
1541 * For ISP8022, drv_active has 4 bits per function
1542 */
1543 if (is_qla8032(ha))
1544 drv_active &= ~(1 << (ha->func_num));
1545 else
1546 drv_active &= ~(1 << (ha->func_num * 4));
1547
1548 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n",
1549 __func__, ha->host_no, drv_active);
1550 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active);
1551 }
1552
1553 inline int qla4_8xxx_need_reset(struct scsi_qla_host *ha)
1554 {
1555 uint32_t drv_state, drv_active;
1556 int rval;
1557
1558 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
1559 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE);
1560
1561 /*
1562 * For ISP8324, drv_active register has 1 bit per function,
1563 * shift 1 by func_num to set a bit for the function.
1564 * For ISP8022, drv_active has 4 bits per function
1565 */
1566 if (is_qla8032(ha))
1567 rval = drv_state & (1 << ha->func_num);
1568 else
1569 rval = drv_state & (1 << (ha->func_num * 4));
1570
1571 if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active)
1572 rval = 1;
1573
1574 return rval;
1575 }
1576
1577 void qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha)
1578 {
1579 uint32_t drv_state;
1580
1581 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE);
1582
1583 /*
1584 * For ISP8324, drv_active register has 1 bit per function,
1585 * shift 1 by func_num to set a bit for the function.
1586 * For ISP8022, drv_active has 4 bits per function
1587 */
1588 if (is_qla8032(ha))
1589 drv_state |= (1 << ha->func_num);
1590 else
1591 drv_state |= (1 << (ha->func_num * 4));
1592
1593 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n",
1594 __func__, ha->host_no, drv_state);
1595 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state);
1596 }
1597
1598 void qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha)
1599 {
1600 uint32_t drv_state;
1601
1602 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE);
1603
1604 /*
1605 * For ISP8324, drv_active register has 1 bit per function,
1606 * shift 1 by func_num to set a bit for the function.
1607 * For ISP8022, drv_active has 4 bits per function
1608 */
1609 if (is_qla8032(ha))
1610 drv_state &= ~(1 << ha->func_num);
1611 else
1612 drv_state &= ~(1 << (ha->func_num * 4));
1613
1614 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n",
1615 __func__, ha->host_no, drv_state);
1616 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state);
1617 }
1618
1619 static inline void
1620 qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha)
1621 {
1622 uint32_t qsnt_state;
1623
1624 qsnt_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE);
1625
1626 /*
1627 * For ISP8324, drv_active register has 1 bit per function,
1628 * shift 1 by func_num to set a bit for the function.
1629 * For ISP8022, drv_active has 4 bits per function.
1630 */
1631 if (is_qla8032(ha))
1632 qsnt_state |= (1 << ha->func_num);
1633 else
1634 qsnt_state |= (2 << (ha->func_num * 4));
1635
1636 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, qsnt_state);
1637 }
1638
1639
1640 static int
1641 qla4_82xx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
1642 {
1643 uint16_t lnk;
1644
1645 /* scrub dma mask expansion register */
1646 qla4_82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
1647
1648 /* Overwrite stale initialization register values */
1649 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
1650 qla4_82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
1651 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
1652 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
1653
1654 if (qla4_82xx_load_fw(ha, image_start) != QLA_SUCCESS) {
1655 printk("%s: Error trying to start fw!\n", __func__);
1656 return QLA_ERROR;
1657 }
1658
1659 /* Handshake with the card before we register the devices. */
1660 if (qla4_82xx_cmdpeg_ready(ha, 0) != QLA_SUCCESS) {
1661 printk("%s: Error during card handshake!\n", __func__);
1662 return QLA_ERROR;
1663 }
1664
1665 /* Negotiated Link width */
1666 pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
1667 ha->link_width = (lnk >> 4) & 0x3f;
1668
1669 /* Synchronize with Receive peg */
1670 return qla4_82xx_rcvpeg_ready(ha);
1671 }
1672
1673 int qla4_82xx_try_start_fw(struct scsi_qla_host *ha)
1674 {
1675 int rval = QLA_ERROR;
1676
1677 /*
1678 * FW Load priority:
1679 * 1) Operational firmware residing in flash.
1680 * 2) Fail
1681 */
1682
1683 ql4_printk(KERN_INFO, ha,
1684 "FW: Retrieving flash offsets from FLT/FDT ...\n");
1685 rval = qla4_8xxx_get_flash_info(ha);
1686 if (rval != QLA_SUCCESS)
1687 return rval;
1688
1689 ql4_printk(KERN_INFO, ha,
1690 "FW: Attempting to load firmware from flash...\n");
1691 rval = qla4_82xx_start_firmware(ha, ha->hw.flt_region_fw);
1692
1693 if (rval != QLA_SUCCESS) {
1694 ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash"
1695 " FAILED...\n");
1696 return rval;
1697 }
1698
1699 return rval;
1700 }
1701
1702 void qla4_82xx_rom_lock_recovery(struct scsi_qla_host *ha)
1703 {
1704 if (qla4_82xx_rom_lock(ha)) {
1705 /* Someone else is holding the lock. */
1706 dev_info(&ha->pdev->dev, "Resetting rom_lock\n");
1707 }
1708
1709 /*
1710 * Either we got the lock, or someone
1711 * else died while holding it.
1712 * In either case, unlock.
1713 */
1714 qla4_82xx_rom_unlock(ha);
1715 }
1716
1717 static void qla4_8xxx_minidump_process_rdcrb(struct scsi_qla_host *ha,
1718 struct qla8xxx_minidump_entry_hdr *entry_hdr,
1719 uint32_t **d_ptr)
1720 {
1721 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
1722 struct qla8xxx_minidump_entry_crb *crb_hdr;
1723 uint32_t *data_ptr = *d_ptr;
1724
1725 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
1726 crb_hdr = (struct qla8xxx_minidump_entry_crb *)entry_hdr;
1727 r_addr = crb_hdr->addr;
1728 r_stride = crb_hdr->crb_strd.addr_stride;
1729 loop_cnt = crb_hdr->op_count;
1730
1731 for (i = 0; i < loop_cnt; i++) {
1732 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value);
1733 *data_ptr++ = cpu_to_le32(r_addr);
1734 *data_ptr++ = cpu_to_le32(r_value);
1735 r_addr += r_stride;
1736 }
1737 *d_ptr = data_ptr;
1738 }
1739
1740 static int qla4_8xxx_minidump_process_l2tag(struct scsi_qla_host *ha,
1741 struct qla8xxx_minidump_entry_hdr *entry_hdr,
1742 uint32_t **d_ptr)
1743 {
1744 uint32_t addr, r_addr, c_addr, t_r_addr;
1745 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
1746 unsigned long p_wait, w_time, p_mask;
1747 uint32_t c_value_w, c_value_r;
1748 struct qla8xxx_minidump_entry_cache *cache_hdr;
1749 int rval = QLA_ERROR;
1750 uint32_t *data_ptr = *d_ptr;
1751
1752 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
1753 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr;
1754
1755 loop_count = cache_hdr->op_count;
1756 r_addr = cache_hdr->read_addr;
1757 c_addr = cache_hdr->control_addr;
1758 c_value_w = cache_hdr->cache_ctrl.write_value;
1759
1760 t_r_addr = cache_hdr->tag_reg_addr;
1761 t_value = cache_hdr->addr_ctrl.init_tag_value;
1762 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
1763 p_wait = cache_hdr->cache_ctrl.poll_wait;
1764 p_mask = cache_hdr->cache_ctrl.poll_mask;
1765
1766 for (i = 0; i < loop_count; i++) {
1767 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value);
1768
1769 if (c_value_w)
1770 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w);
1771
1772 if (p_mask) {
1773 w_time = jiffies + p_wait;
1774 do {
1775 ha->isp_ops->rd_reg_indirect(ha, c_addr,
1776 &c_value_r);
1777 if ((c_value_r & p_mask) == 0) {
1778 break;
1779 } else if (time_after_eq(jiffies, w_time)) {
1780 /* capturing dump failed */
1781 return rval;
1782 }
1783 } while (1);
1784 }
1785
1786 addr = r_addr;
1787 for (k = 0; k < r_cnt; k++) {
1788 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value);
1789 *data_ptr++ = cpu_to_le32(r_value);
1790 addr += cache_hdr->read_ctrl.read_addr_stride;
1791 }
1792
1793 t_value += cache_hdr->addr_ctrl.tag_value_stride;
1794 }
1795 *d_ptr = data_ptr;
1796 return QLA_SUCCESS;
1797 }
1798
1799 static int qla4_8xxx_minidump_process_control(struct scsi_qla_host *ha,
1800 struct qla8xxx_minidump_entry_hdr *entry_hdr)
1801 {
1802 struct qla8xxx_minidump_entry_crb *crb_entry;
1803 uint32_t read_value, opcode, poll_time, addr, index, rval = QLA_SUCCESS;
1804 uint32_t crb_addr;
1805 unsigned long wtime;
1806 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr;
1807 int i;
1808
1809 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
1810 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *)
1811 ha->fw_dump_tmplt_hdr;
1812 crb_entry = (struct qla8xxx_minidump_entry_crb *)entry_hdr;
1813
1814 crb_addr = crb_entry->addr;
1815 for (i = 0; i < crb_entry->op_count; i++) {
1816 opcode = crb_entry->crb_ctrl.opcode;
1817 if (opcode & QLA8XXX_DBG_OPCODE_WR) {
1818 ha->isp_ops->wr_reg_indirect(ha, crb_addr,
1819 crb_entry->value_1);
1820 opcode &= ~QLA8XXX_DBG_OPCODE_WR;
1821 }
1822 if (opcode & QLA8XXX_DBG_OPCODE_RW) {
1823 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value);
1824 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value);
1825 opcode &= ~QLA8XXX_DBG_OPCODE_RW;
1826 }
1827 if (opcode & QLA8XXX_DBG_OPCODE_AND) {
1828 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value);
1829 read_value &= crb_entry->value_2;
1830 opcode &= ~QLA8XXX_DBG_OPCODE_AND;
1831 if (opcode & QLA8XXX_DBG_OPCODE_OR) {
1832 read_value |= crb_entry->value_3;
1833 opcode &= ~QLA8XXX_DBG_OPCODE_OR;
1834 }
1835 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value);
1836 }
1837 if (opcode & QLA8XXX_DBG_OPCODE_OR) {
1838 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value);
1839 read_value |= crb_entry->value_3;
1840 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value);
1841 opcode &= ~QLA8XXX_DBG_OPCODE_OR;
1842 }
1843 if (opcode & QLA8XXX_DBG_OPCODE_POLL) {
1844 poll_time = crb_entry->crb_strd.poll_timeout;
1845 wtime = jiffies + poll_time;
1846 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value);
1847
1848 do {
1849 if ((read_value & crb_entry->value_2) ==
1850 crb_entry->value_1) {
1851 break;
1852 } else if (time_after_eq(jiffies, wtime)) {
1853 /* capturing dump failed */
1854 rval = QLA_ERROR;
1855 break;
1856 } else {
1857 ha->isp_ops->rd_reg_indirect(ha,
1858 crb_addr, &read_value);
1859 }
1860 } while (1);
1861 opcode &= ~QLA8XXX_DBG_OPCODE_POLL;
1862 }
1863
1864 if (opcode & QLA8XXX_DBG_OPCODE_RDSTATE) {
1865 if (crb_entry->crb_strd.state_index_a) {
1866 index = crb_entry->crb_strd.state_index_a;
1867 addr = tmplt_hdr->saved_state_array[index];
1868 } else {
1869 addr = crb_addr;
1870 }
1871
1872 ha->isp_ops->rd_reg_indirect(ha, addr, &read_value);
1873 index = crb_entry->crb_ctrl.state_index_v;
1874 tmplt_hdr->saved_state_array[index] = read_value;
1875 opcode &= ~QLA8XXX_DBG_OPCODE_RDSTATE;
1876 }
1877
1878 if (opcode & QLA8XXX_DBG_OPCODE_WRSTATE) {
1879 if (crb_entry->crb_strd.state_index_a) {
1880 index = crb_entry->crb_strd.state_index_a;
1881 addr = tmplt_hdr->saved_state_array[index];
1882 } else {
1883 addr = crb_addr;
1884 }
1885
1886 if (crb_entry->crb_ctrl.state_index_v) {
1887 index = crb_entry->crb_ctrl.state_index_v;
1888 read_value =
1889 tmplt_hdr->saved_state_array[index];
1890 } else {
1891 read_value = crb_entry->value_1;
1892 }
1893
1894 ha->isp_ops->wr_reg_indirect(ha, addr, read_value);
1895 opcode &= ~QLA8XXX_DBG_OPCODE_WRSTATE;
1896 }
1897
1898 if (opcode & QLA8XXX_DBG_OPCODE_MDSTATE) {
1899 index = crb_entry->crb_ctrl.state_index_v;
1900 read_value = tmplt_hdr->saved_state_array[index];
1901 read_value <<= crb_entry->crb_ctrl.shl;
1902 read_value >>= crb_entry->crb_ctrl.shr;
1903 if (crb_entry->value_2)
1904 read_value &= crb_entry->value_2;
1905 read_value |= crb_entry->value_3;
1906 read_value += crb_entry->value_1;
1907 tmplt_hdr->saved_state_array[index] = read_value;
1908 opcode &= ~QLA8XXX_DBG_OPCODE_MDSTATE;
1909 }
1910 crb_addr += crb_entry->crb_strd.addr_stride;
1911 }
1912 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__));
1913 return rval;
1914 }
1915
1916 static void qla4_8xxx_minidump_process_rdocm(struct scsi_qla_host *ha,
1917 struct qla8xxx_minidump_entry_hdr *entry_hdr,
1918 uint32_t **d_ptr)
1919 {
1920 uint32_t r_addr, r_stride, loop_cnt, i, r_value;
1921 struct qla8xxx_minidump_entry_rdocm *ocm_hdr;
1922 uint32_t *data_ptr = *d_ptr;
1923
1924 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
1925 ocm_hdr = (struct qla8xxx_minidump_entry_rdocm *)entry_hdr;
1926 r_addr = ocm_hdr->read_addr;
1927 r_stride = ocm_hdr->read_addr_stride;
1928 loop_cnt = ocm_hdr->op_count;
1929
1930 DEBUG2(ql4_printk(KERN_INFO, ha,
1931 "[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n",
1932 __func__, r_addr, r_stride, loop_cnt));
1933
1934 for (i = 0; i < loop_cnt; i++) {
1935 r_value = readl((void __iomem *)(r_addr + ha->nx_pcibase));
1936 *data_ptr++ = cpu_to_le32(r_value);
1937 r_addr += r_stride;
1938 }
1939 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%lx\n",
1940 __func__, (long unsigned int) (loop_cnt * sizeof(uint32_t))));
1941 *d_ptr = data_ptr;
1942 }
1943
1944 static void qla4_8xxx_minidump_process_rdmux(struct scsi_qla_host *ha,
1945 struct qla8xxx_minidump_entry_hdr *entry_hdr,
1946 uint32_t **d_ptr)
1947 {
1948 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
1949 struct qla8xxx_minidump_entry_mux *mux_hdr;
1950 uint32_t *data_ptr = *d_ptr;
1951
1952 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
1953 mux_hdr = (struct qla8xxx_minidump_entry_mux *)entry_hdr;
1954 r_addr = mux_hdr->read_addr;
1955 s_addr = mux_hdr->select_addr;
1956 s_stride = mux_hdr->select_value_stride;
1957 s_value = mux_hdr->select_value;
1958 loop_cnt = mux_hdr->op_count;
1959
1960 for (i = 0; i < loop_cnt; i++) {
1961 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value);
1962 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value);
1963 *data_ptr++ = cpu_to_le32(s_value);
1964 *data_ptr++ = cpu_to_le32(r_value);
1965 s_value += s_stride;
1966 }
1967 *d_ptr = data_ptr;
1968 }
1969
1970 static void qla4_8xxx_minidump_process_l1cache(struct scsi_qla_host *ha,
1971 struct qla8xxx_minidump_entry_hdr *entry_hdr,
1972 uint32_t **d_ptr)
1973 {
1974 uint32_t addr, r_addr, c_addr, t_r_addr;
1975 uint32_t i, k, loop_count, t_value, r_cnt, r_value;
1976 uint32_t c_value_w;
1977 struct qla8xxx_minidump_entry_cache *cache_hdr;
1978 uint32_t *data_ptr = *d_ptr;
1979
1980 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr;
1981 loop_count = cache_hdr->op_count;
1982 r_addr = cache_hdr->read_addr;
1983 c_addr = cache_hdr->control_addr;
1984 c_value_w = cache_hdr->cache_ctrl.write_value;
1985
1986 t_r_addr = cache_hdr->tag_reg_addr;
1987 t_value = cache_hdr->addr_ctrl.init_tag_value;
1988 r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
1989
1990 for (i = 0; i < loop_count; i++) {
1991 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value);
1992 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w);
1993 addr = r_addr;
1994 for (k = 0; k < r_cnt; k++) {
1995 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value);
1996 *data_ptr++ = cpu_to_le32(r_value);
1997 addr += cache_hdr->read_ctrl.read_addr_stride;
1998 }
1999 t_value += cache_hdr->addr_ctrl.tag_value_stride;
2000 }
2001 *d_ptr = data_ptr;
2002 }
2003
2004 static void qla4_8xxx_minidump_process_queue(struct scsi_qla_host *ha,
2005 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2006 uint32_t **d_ptr)
2007 {
2008 uint32_t s_addr, r_addr;
2009 uint32_t r_stride, r_value, r_cnt, qid = 0;
2010 uint32_t i, k, loop_cnt;
2011 struct qla8xxx_minidump_entry_queue *q_hdr;
2012 uint32_t *data_ptr = *d_ptr;
2013
2014 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
2015 q_hdr = (struct qla8xxx_minidump_entry_queue *)entry_hdr;
2016 s_addr = q_hdr->select_addr;
2017 r_cnt = q_hdr->rd_strd.read_addr_cnt;
2018 r_stride = q_hdr->rd_strd.read_addr_stride;
2019 loop_cnt = q_hdr->op_count;
2020
2021 for (i = 0; i < loop_cnt; i++) {
2022 ha->isp_ops->wr_reg_indirect(ha, s_addr, qid);
2023 r_addr = q_hdr->read_addr;
2024 for (k = 0; k < r_cnt; k++) {
2025 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value);
2026 *data_ptr++ = cpu_to_le32(r_value);
2027 r_addr += r_stride;
2028 }
2029 qid += q_hdr->q_strd.queue_id_stride;
2030 }
2031 *d_ptr = data_ptr;
2032 }
2033
2034 #define MD_DIRECT_ROM_WINDOW 0x42110030
2035 #define MD_DIRECT_ROM_READ_BASE 0x42150000
2036
2037 static void qla4_82xx_minidump_process_rdrom(struct scsi_qla_host *ha,
2038 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2039 uint32_t **d_ptr)
2040 {
2041 uint32_t r_addr, r_value;
2042 uint32_t i, loop_cnt;
2043 struct qla8xxx_minidump_entry_rdrom *rom_hdr;
2044 uint32_t *data_ptr = *d_ptr;
2045
2046 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
2047 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr;
2048 r_addr = rom_hdr->read_addr;
2049 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
2050
2051 DEBUG2(ql4_printk(KERN_INFO, ha,
2052 "[%s]: flash_addr: 0x%x, read_data_size: 0x%x\n",
2053 __func__, r_addr, loop_cnt));
2054
2055 for (i = 0; i < loop_cnt; i++) {
2056 ha->isp_ops->wr_reg_indirect(ha, MD_DIRECT_ROM_WINDOW,
2057 (r_addr & 0xFFFF0000));
2058 ha->isp_ops->rd_reg_indirect(ha,
2059 MD_DIRECT_ROM_READ_BASE + (r_addr & 0x0000FFFF),
2060 &r_value);
2061 *data_ptr++ = cpu_to_le32(r_value);
2062 r_addr += sizeof(uint32_t);
2063 }
2064 *d_ptr = data_ptr;
2065 }
2066
2067 #define MD_MIU_TEST_AGT_CTRL 0x41000090
2068 #define MD_MIU_TEST_AGT_ADDR_LO 0x41000094
2069 #define MD_MIU_TEST_AGT_ADDR_HI 0x41000098
2070
2071 static int qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha,
2072 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2073 uint32_t **d_ptr)
2074 {
2075 uint32_t r_addr, r_value, r_data;
2076 uint32_t i, j, loop_cnt;
2077 struct qla8xxx_minidump_entry_rdmem *m_hdr;
2078 unsigned long flags;
2079 uint32_t *data_ptr = *d_ptr;
2080
2081 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__));
2082 m_hdr = (struct qla8xxx_minidump_entry_rdmem *)entry_hdr;
2083 r_addr = m_hdr->read_addr;
2084 loop_cnt = m_hdr->read_data_size/16;
2085
2086 DEBUG2(ql4_printk(KERN_INFO, ha,
2087 "[%s]: Read addr: 0x%x, read_data_size: 0x%x\n",
2088 __func__, r_addr, m_hdr->read_data_size));
2089
2090 if (r_addr & 0xf) {
2091 DEBUG2(ql4_printk(KERN_INFO, ha,
2092 "[%s]: Read addr 0x%x not 16 bytes aligned\n",
2093 __func__, r_addr));
2094 return QLA_ERROR;
2095 }
2096
2097 if (m_hdr->read_data_size % 16) {
2098 DEBUG2(ql4_printk(KERN_INFO, ha,
2099 "[%s]: Read data[0x%x] not multiple of 16 bytes\n",
2100 __func__, m_hdr->read_data_size));
2101 return QLA_ERROR;
2102 }
2103
2104 DEBUG2(ql4_printk(KERN_INFO, ha,
2105 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
2106 __func__, r_addr, m_hdr->read_data_size, loop_cnt));
2107
2108 write_lock_irqsave(&ha->hw_lock, flags);
2109 for (i = 0; i < loop_cnt; i++) {
2110 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_LO,
2111 r_addr);
2112 r_value = 0;
2113 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI,
2114 r_value);
2115 r_value = MIU_TA_CTL_ENABLE;
2116 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value);
2117 r_value = MIU_TA_CTL_START_ENABLE;
2118 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value);
2119
2120 for (j = 0; j < MAX_CTL_CHECK; j++) {
2121 ha->isp_ops->rd_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL,
2122 &r_value);
2123 if ((r_value & MIU_TA_CTL_BUSY) == 0)
2124 break;
2125 }
2126
2127 if (j >= MAX_CTL_CHECK) {
2128 printk_ratelimited(KERN_ERR
2129 "%s: failed to read through agent\n",
2130 __func__);
2131 write_unlock_irqrestore(&ha->hw_lock, flags);
2132 return QLA_SUCCESS;
2133 }
2134
2135 for (j = 0; j < 4; j++) {
2136 ha->isp_ops->rd_reg_indirect(ha,
2137 MD_MIU_TEST_AGT_RDDATA[j],
2138 &r_data);
2139 *data_ptr++ = cpu_to_le32(r_data);
2140 }
2141
2142 r_addr += 16;
2143 }
2144 write_unlock_irqrestore(&ha->hw_lock, flags);
2145
2146 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%x\n",
2147 __func__, (loop_cnt * 16)));
2148
2149 *d_ptr = data_ptr;
2150 return QLA_SUCCESS;
2151 }
2152
2153 static void qla4_8xxx_mark_entry_skipped(struct scsi_qla_host *ha,
2154 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2155 int index)
2156 {
2157 entry_hdr->d_ctrl.driver_flags |= QLA8XXX_DBG_SKIPPED_FLAG;
2158 DEBUG2(ql4_printk(KERN_INFO, ha,
2159 "scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n",
2160 ha->host_no, index, entry_hdr->entry_type,
2161 entry_hdr->d_ctrl.entry_capture_mask));
2162 }
2163
2164 /* ISP83xx functions to process new minidump entries... */
2165 static uint32_t qla83xx_minidump_process_pollrd(struct scsi_qla_host *ha,
2166 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2167 uint32_t **d_ptr)
2168 {
2169 uint32_t r_addr, s_addr, s_value, r_value, poll_wait, poll_mask;
2170 uint16_t s_stride, i;
2171 uint32_t *data_ptr = *d_ptr;
2172 uint32_t rval = QLA_SUCCESS;
2173 struct qla83xx_minidump_entry_pollrd *pollrd_hdr;
2174
2175 pollrd_hdr = (struct qla83xx_minidump_entry_pollrd *)entry_hdr;
2176 s_addr = le32_to_cpu(pollrd_hdr->select_addr);
2177 r_addr = le32_to_cpu(pollrd_hdr->read_addr);
2178 s_value = le32_to_cpu(pollrd_hdr->select_value);
2179 s_stride = le32_to_cpu(pollrd_hdr->select_value_stride);
2180
2181 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait);
2182 poll_mask = le32_to_cpu(pollrd_hdr->poll_mask);
2183
2184 for (i = 0; i < le32_to_cpu(pollrd_hdr->op_count); i++) {
2185 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value);
2186 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait);
2187 while (1) {
2188 ha->isp_ops->rd_reg_indirect(ha, s_addr, &r_value);
2189
2190 if ((r_value & poll_mask) != 0) {
2191 break;
2192 } else {
2193 msleep(1);
2194 if (--poll_wait == 0) {
2195 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n",
2196 __func__);
2197 rval = QLA_ERROR;
2198 goto exit_process_pollrd;
2199 }
2200 }
2201 }
2202 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value);
2203 *data_ptr++ = cpu_to_le32(s_value);
2204 *data_ptr++ = cpu_to_le32(r_value);
2205 s_value += s_stride;
2206 }
2207
2208 *d_ptr = data_ptr;
2209
2210 exit_process_pollrd:
2211 return rval;
2212 }
2213
2214 static void qla83xx_minidump_process_rdmux2(struct scsi_qla_host *ha,
2215 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2216 uint32_t **d_ptr)
2217 {
2218 uint32_t sel_val1, sel_val2, t_sel_val, data, i;
2219 uint32_t sel_addr1, sel_addr2, sel_val_mask, read_addr;
2220 struct qla83xx_minidump_entry_rdmux2 *rdmux2_hdr;
2221 uint32_t *data_ptr = *d_ptr;
2222
2223 rdmux2_hdr = (struct qla83xx_minidump_entry_rdmux2 *)entry_hdr;
2224 sel_val1 = le32_to_cpu(rdmux2_hdr->select_value_1);
2225 sel_val2 = le32_to_cpu(rdmux2_hdr->select_value_2);
2226 sel_addr1 = le32_to_cpu(rdmux2_hdr->select_addr_1);
2227 sel_addr2 = le32_to_cpu(rdmux2_hdr->select_addr_2);
2228 sel_val_mask = le32_to_cpu(rdmux2_hdr->select_value_mask);
2229 read_addr = le32_to_cpu(rdmux2_hdr->read_addr);
2230
2231 for (i = 0; i < rdmux2_hdr->op_count; i++) {
2232 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val1);
2233 t_sel_val = sel_val1 & sel_val_mask;
2234 *data_ptr++ = cpu_to_le32(t_sel_val);
2235
2236 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val);
2237 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data);
2238
2239 *data_ptr++ = cpu_to_le32(data);
2240
2241 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val2);
2242 t_sel_val = sel_val2 & sel_val_mask;
2243 *data_ptr++ = cpu_to_le32(t_sel_val);
2244
2245 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val);
2246 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data);
2247
2248 *data_ptr++ = cpu_to_le32(data);
2249
2250 sel_val1 += rdmux2_hdr->select_value_stride;
2251 sel_val2 += rdmux2_hdr->select_value_stride;
2252 }
2253
2254 *d_ptr = data_ptr;
2255 }
2256
2257 static uint32_t qla83xx_minidump_process_pollrdmwr(struct scsi_qla_host *ha,
2258 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2259 uint32_t **d_ptr)
2260 {
2261 uint32_t poll_wait, poll_mask, r_value, data;
2262 uint32_t addr_1, addr_2, value_1, value_2;
2263 uint32_t *data_ptr = *d_ptr;
2264 uint32_t rval = QLA_SUCCESS;
2265 struct qla83xx_minidump_entry_pollrdmwr *poll_hdr;
2266
2267 poll_hdr = (struct qla83xx_minidump_entry_pollrdmwr *)entry_hdr;
2268 addr_1 = le32_to_cpu(poll_hdr->addr_1);
2269 addr_2 = le32_to_cpu(poll_hdr->addr_2);
2270 value_1 = le32_to_cpu(poll_hdr->value_1);
2271 value_2 = le32_to_cpu(poll_hdr->value_2);
2272 poll_mask = le32_to_cpu(poll_hdr->poll_mask);
2273
2274 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_1);
2275
2276 poll_wait = le32_to_cpu(poll_hdr->poll_wait);
2277 while (1) {
2278 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value);
2279
2280 if ((r_value & poll_mask) != 0) {
2281 break;
2282 } else {
2283 msleep(1);
2284 if (--poll_wait == 0) {
2285 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_1\n",
2286 __func__);
2287 rval = QLA_ERROR;
2288 goto exit_process_pollrdmwr;
2289 }
2290 }
2291 }
2292
2293 ha->isp_ops->rd_reg_indirect(ha, addr_2, &data);
2294 data &= le32_to_cpu(poll_hdr->modify_mask);
2295 ha->isp_ops->wr_reg_indirect(ha, addr_2, data);
2296 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_2);
2297
2298 poll_wait = le32_to_cpu(poll_hdr->poll_wait);
2299 while (1) {
2300 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value);
2301
2302 if ((r_value & poll_mask) != 0) {
2303 break;
2304 } else {
2305 msleep(1);
2306 if (--poll_wait == 0) {
2307 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_2\n",
2308 __func__);
2309 rval = QLA_ERROR;
2310 goto exit_process_pollrdmwr;
2311 }
2312 }
2313 }
2314
2315 *data_ptr++ = cpu_to_le32(addr_2);
2316 *data_ptr++ = cpu_to_le32(data);
2317 *d_ptr = data_ptr;
2318
2319 exit_process_pollrdmwr:
2320 return rval;
2321 }
2322
2323 static uint32_t qla4_83xx_minidump_process_rdrom(struct scsi_qla_host *ha,
2324 struct qla8xxx_minidump_entry_hdr *entry_hdr,
2325 uint32_t **d_ptr)
2326 {
2327 uint32_t fl_addr, u32_count, rval;
2328 struct qla8xxx_minidump_entry_rdrom *rom_hdr;
2329 uint32_t *data_ptr = *d_ptr;
2330
2331 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr;
2332 fl_addr = le32_to_cpu(rom_hdr->read_addr);
2333 u32_count = le32_to_cpu(rom_hdr->read_data_size)/sizeof(uint32_t);
2334
2335 DEBUG2(ql4_printk(KERN_INFO, ha, "[%s]: fl_addr: 0x%x, count: 0x%x\n",
2336 __func__, fl_addr, u32_count));
2337
2338 rval = qla4_83xx_lockless_flash_read_u32(ha, fl_addr,
2339 (u8 *)(data_ptr), u32_count);
2340
2341 if (rval == QLA_ERROR) {
2342 ql4_printk(KERN_ERR, ha, "%s: Flash Read Error,Count=%d\n",
2343 __func__, u32_count);
2344 goto exit_process_rdrom;
2345 }
2346
2347 data_ptr += u32_count;
2348 *d_ptr = data_ptr;
2349
2350 exit_process_rdrom:
2351 return rval;
2352 }
2353
2354 /**
2355 * qla4_8xxx_collect_md_data - Retrieve firmware minidump data.
2356 * @ha: pointer to adapter structure
2357 **/
2358 static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha)
2359 {
2360 int num_entry_hdr = 0;
2361 struct qla8xxx_minidump_entry_hdr *entry_hdr;
2362 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr;
2363 uint32_t *data_ptr;
2364 uint32_t data_collected = 0;
2365 int i, rval = QLA_ERROR;
2366 uint64_t now;
2367 uint32_t timestamp;
2368
2369 if (!ha->fw_dump) {
2370 ql4_printk(KERN_INFO, ha, "%s(%ld) No buffer to dump\n",
2371 __func__, ha->host_no);
2372 return rval;
2373 }
2374
2375 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *)
2376 ha->fw_dump_tmplt_hdr;
2377 data_ptr = (uint32_t *)((uint8_t *)ha->fw_dump +
2378 ha->fw_dump_tmplt_size);
2379 data_collected += ha->fw_dump_tmplt_size;
2380
2381 num_entry_hdr = tmplt_hdr->num_of_entries;
2382 ql4_printk(KERN_INFO, ha, "[%s]: starting data ptr: %p\n",
2383 __func__, data_ptr);
2384 ql4_printk(KERN_INFO, ha,
2385 "[%s]: no of entry headers in Template: 0x%x\n",
2386 __func__, num_entry_hdr);
2387 ql4_printk(KERN_INFO, ha, "[%s]: Capture Mask obtained: 0x%x\n",
2388 __func__, ha->fw_dump_capture_mask);
2389 ql4_printk(KERN_INFO, ha, "[%s]: Total_data_size 0x%x, %d obtained\n",
2390 __func__, ha->fw_dump_size, ha->fw_dump_size);
2391
2392 /* Update current timestamp before taking dump */
2393 now = get_jiffies_64();
2394 timestamp = (u32)(jiffies_to_msecs(now) / 1000);
2395 tmplt_hdr->driver_timestamp = timestamp;
2396
2397 entry_hdr = (struct qla8xxx_minidump_entry_hdr *)
2398 (((uint8_t *)ha->fw_dump_tmplt_hdr) +
2399 tmplt_hdr->first_entry_offset);
2400
2401 if (is_qla8032(ha))
2402 tmplt_hdr->saved_state_array[QLA83XX_SS_OCM_WNDREG_INDEX] =
2403 tmplt_hdr->ocm_window_reg[ha->func_num];
2404
2405 /* Walk through the entry headers - validate/perform required action */
2406 for (i = 0; i < num_entry_hdr; i++) {
2407 if (data_collected >= ha->fw_dump_size) {
2408 ql4_printk(KERN_INFO, ha,
2409 "Data collected: [0x%x], Total Dump size: [0x%x]\n",
2410 data_collected, ha->fw_dump_size);
2411 return rval;
2412 }
2413
2414 if (!(entry_hdr->d_ctrl.entry_capture_mask &
2415 ha->fw_dump_capture_mask)) {
2416 entry_hdr->d_ctrl.driver_flags |=
2417 QLA8XXX_DBG_SKIPPED_FLAG;
2418 goto skip_nxt_entry;
2419 }
2420
2421 DEBUG2(ql4_printk(KERN_INFO, ha,
2422 "Data collected: [0x%x], Dump size left:[0x%x]\n",
2423 data_collected,
2424 (ha->fw_dump_size - data_collected)));
2425
2426 /* Decode the entry type and take required action to capture
2427 * debug data
2428 */
2429 switch (entry_hdr->entry_type) {
2430 case QLA8XXX_RDEND:
2431 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2432 break;
2433 case QLA8XXX_CNTRL:
2434 rval = qla4_8xxx_minidump_process_control(ha,
2435 entry_hdr);
2436 if (rval != QLA_SUCCESS) {
2437 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2438 goto md_failed;
2439 }
2440 break;
2441 case QLA8XXX_RDCRB:
2442 qla4_8xxx_minidump_process_rdcrb(ha, entry_hdr,
2443 &data_ptr);
2444 break;
2445 case QLA8XXX_RDMEM:
2446 rval = qla4_8xxx_minidump_process_rdmem(ha, entry_hdr,
2447 &data_ptr);
2448 if (rval != QLA_SUCCESS) {
2449 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2450 goto md_failed;
2451 }
2452 break;
2453 case QLA8XXX_BOARD:
2454 case QLA8XXX_RDROM:
2455 if (is_qla8022(ha)) {
2456 qla4_82xx_minidump_process_rdrom(ha, entry_hdr,
2457 &data_ptr);
2458 } else if (is_qla8032(ha)) {
2459 rval = qla4_83xx_minidump_process_rdrom(ha,
2460 entry_hdr,
2461 &data_ptr);
2462 if (rval != QLA_SUCCESS)
2463 qla4_8xxx_mark_entry_skipped(ha,
2464 entry_hdr,
2465 i);
2466 }
2467 break;
2468 case QLA8XXX_L2DTG:
2469 case QLA8XXX_L2ITG:
2470 case QLA8XXX_L2DAT:
2471 case QLA8XXX_L2INS:
2472 rval = qla4_8xxx_minidump_process_l2tag(ha, entry_hdr,
2473 &data_ptr);
2474 if (rval != QLA_SUCCESS) {
2475 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2476 goto md_failed;
2477 }
2478 break;
2479 case QLA8XXX_L1DTG:
2480 case QLA8XXX_L1ITG:
2481 case QLA8XXX_L1DAT:
2482 case QLA8XXX_L1INS:
2483 qla4_8xxx_minidump_process_l1cache(ha, entry_hdr,
2484 &data_ptr);
2485 break;
2486 case QLA8XXX_RDOCM:
2487 qla4_8xxx_minidump_process_rdocm(ha, entry_hdr,
2488 &data_ptr);
2489 break;
2490 case QLA8XXX_RDMUX:
2491 qla4_8xxx_minidump_process_rdmux(ha, entry_hdr,
2492 &data_ptr);
2493 break;
2494 case QLA8XXX_QUEUE:
2495 qla4_8xxx_minidump_process_queue(ha, entry_hdr,
2496 &data_ptr);
2497 break;
2498 case QLA83XX_POLLRD:
2499 if (!is_qla8032(ha)) {
2500 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2501 break;
2502 }
2503 rval = qla83xx_minidump_process_pollrd(ha, entry_hdr,
2504 &data_ptr);
2505 if (rval != QLA_SUCCESS)
2506 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2507 break;
2508 case QLA83XX_RDMUX2:
2509 if (!is_qla8032(ha)) {
2510 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2511 break;
2512 }
2513 qla83xx_minidump_process_rdmux2(ha, entry_hdr,
2514 &data_ptr);
2515 break;
2516 case QLA83XX_POLLRDMWR:
2517 if (!is_qla8032(ha)) {
2518 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2519 break;
2520 }
2521 rval = qla83xx_minidump_process_pollrdmwr(ha, entry_hdr,
2522 &data_ptr);
2523 if (rval != QLA_SUCCESS)
2524 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2525 break;
2526 case QLA8XXX_RDNOP:
2527 default:
2528 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i);
2529 break;
2530 }
2531
2532 data_collected = (uint8_t *)data_ptr -
2533 ((uint8_t *)((uint8_t *)ha->fw_dump +
2534 ha->fw_dump_tmplt_size));
2535 skip_nxt_entry:
2536 /* next entry in the template */
2537 entry_hdr = (struct qla8xxx_minidump_entry_hdr *)
2538 (((uint8_t *)entry_hdr) +
2539 entry_hdr->entry_size);
2540 }
2541
2542 if ((data_collected + ha->fw_dump_tmplt_size) != ha->fw_dump_size) {
2543 ql4_printk(KERN_INFO, ha,
2544 "Dump data mismatch: Data collected: [0x%x], total_data_size:[0x%x]\n",
2545 data_collected, ha->fw_dump_size);
2546 goto md_failed;
2547 }
2548
2549 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s Last entry: 0x%x\n",
2550 __func__, i));
2551 md_failed:
2552 return rval;
2553 }
2554
2555 /**
2556 * qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready.
2557 * @ha: pointer to adapter structure
2558 **/
2559 static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code)
2560 {
2561 char event_string[40];
2562 char *envp[] = { event_string, NULL };
2563
2564 switch (code) {
2565 case QL4_UEVENT_CODE_FW_DUMP:
2566 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2567 ha->host_no);
2568 break;
2569 default:
2570 /*do nothing*/
2571 break;
2572 }
2573
2574 kobject_uevent_env(&(&ha->pdev->dev)->kobj, KOBJ_CHANGE, envp);
2575 }
2576
2577 void qla4_8xxx_get_minidump(struct scsi_qla_host *ha)
2578 {
2579 if (ql4xenablemd && test_bit(AF_FW_RECOVERY, &ha->flags) &&
2580 !test_bit(AF_82XX_FW_DUMPED, &ha->flags)) {
2581 if (!qla4_8xxx_collect_md_data(ha)) {
2582 qla4_8xxx_uevent_emit(ha, QL4_UEVENT_CODE_FW_DUMP);
2583 set_bit(AF_82XX_FW_DUMPED, &ha->flags);
2584 } else {
2585 ql4_printk(KERN_INFO, ha, "%s: Unable to collect minidump\n",
2586 __func__);
2587 }
2588 }
2589 }
2590
2591 /**
2592 * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw
2593 * @ha: pointer to adapter structure
2594 *
2595 * Note: IDC lock must be held upon entry
2596 **/
2597 int qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha)
2598 {
2599 int rval = QLA_ERROR;
2600 int i, timeout;
2601 uint32_t old_count, count, idc_ctrl;
2602 int need_reset = 0, peg_stuck = 1;
2603
2604 need_reset = ha->isp_ops->need_reset(ha);
2605 old_count = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
2606
2607 for (i = 0; i < 10; i++) {
2608 timeout = msleep_interruptible(200);
2609 if (timeout) {
2610 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
2611 QLA8XXX_DEV_FAILED);
2612 return rval;
2613 }
2614
2615 count = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
2616 if (count != old_count)
2617 peg_stuck = 0;
2618 }
2619
2620 if (need_reset) {
2621 /* We are trying to perform a recovery here. */
2622 if (peg_stuck)
2623 ha->isp_ops->rom_lock_recovery(ha);
2624 goto dev_initialize;
2625 } else {
2626 /* Start of day for this ha context. */
2627 if (peg_stuck) {
2628 /* Either we are the first or recovery in progress. */
2629 ha->isp_ops->rom_lock_recovery(ha);
2630 goto dev_initialize;
2631 } else {
2632 /* Firmware already running. */
2633 rval = QLA_SUCCESS;
2634 goto dev_ready;
2635 }
2636 }
2637
2638 dev_initialize:
2639 /* set to DEV_INITIALIZING */
2640 ql4_printk(KERN_INFO, ha, "HW State: INITIALIZING\n");
2641 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
2642 QLA8XXX_DEV_INITIALIZING);
2643
2644 /*
2645 * For ISP8324, if IDC_CTRL GRACEFUL_RESET_BIT1 is set, reset it after
2646 * device goes to INIT state.
2647 */
2648 if (is_qla8032(ha)) {
2649 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
2650 if (idc_ctrl & GRACEFUL_RESET_BIT1) {
2651 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
2652 (idc_ctrl & ~GRACEFUL_RESET_BIT1));
2653 set_bit(AF_83XX_NO_FW_DUMP, &ha->flags);
2654 }
2655 }
2656
2657 ha->isp_ops->idc_unlock(ha);
2658
2659 if (is_qla8022(ha))
2660 qla4_8xxx_get_minidump(ha);
2661
2662 rval = ha->isp_ops->restart_firmware(ha);
2663 ha->isp_ops->idc_lock(ha);
2664
2665 if (rval != QLA_SUCCESS) {
2666 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
2667 qla4_8xxx_clear_drv_active(ha);
2668 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
2669 QLA8XXX_DEV_FAILED);
2670 return rval;
2671 }
2672
2673 dev_ready:
2674 ql4_printk(KERN_INFO, ha, "HW State: READY\n");
2675 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, QLA8XXX_DEV_READY);
2676
2677 return rval;
2678 }
2679
2680 /**
2681 * qla4_82xx_need_reset_handler - Code to start reset sequence
2682 * @ha: pointer to adapter structure
2683 *
2684 * Note: IDC lock must be held upon entry
2685 **/
2686 static void
2687 qla4_82xx_need_reset_handler(struct scsi_qla_host *ha)
2688 {
2689 uint32_t dev_state, drv_state, drv_active;
2690 uint32_t active_mask = 0xFFFFFFFF;
2691 unsigned long reset_timeout;
2692
2693 ql4_printk(KERN_INFO, ha,
2694 "Performing ISP error recovery\n");
2695
2696 if (test_and_clear_bit(AF_ONLINE, &ha->flags)) {
2697 qla4_82xx_idc_unlock(ha);
2698 ha->isp_ops->disable_intrs(ha);
2699 qla4_82xx_idc_lock(ha);
2700 }
2701
2702 if (!test_bit(AF_8XXX_RST_OWNER, &ha->flags)) {
2703 DEBUG2(ql4_printk(KERN_INFO, ha,
2704 "%s(%ld): reset acknowledged\n",
2705 __func__, ha->host_no));
2706 qla4_8xxx_set_rst_ready(ha);
2707 } else {
2708 active_mask = (~(1 << (ha->func_num * 4)));
2709 }
2710
2711 /* wait for 10 seconds for reset ack from all functions */
2712 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
2713
2714 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2715 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2716
2717 ql4_printk(KERN_INFO, ha,
2718 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
2719 __func__, ha->host_no, drv_state, drv_active);
2720
2721 while (drv_state != (drv_active & active_mask)) {
2722 if (time_after_eq(jiffies, reset_timeout)) {
2723 ql4_printk(KERN_INFO, ha,
2724 "%s: RESET TIMEOUT! drv_state: 0x%08x, drv_active: 0x%08x\n",
2725 DRIVER_NAME, drv_state, drv_active);
2726 break;
2727 }
2728
2729 /*
2730 * When reset_owner times out, check which functions
2731 * acked/did not ack
2732 */
2733 if (test_bit(AF_8XXX_RST_OWNER, &ha->flags)) {
2734 ql4_printk(KERN_INFO, ha,
2735 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
2736 __func__, ha->host_no, drv_state,
2737 drv_active);
2738 }
2739 qla4_82xx_idc_unlock(ha);
2740 msleep(1000);
2741 qla4_82xx_idc_lock(ha);
2742
2743 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2744 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2745 }
2746
2747 /* Clear RESET OWNER as we are not going to use it any further */
2748 clear_bit(AF_8XXX_RST_OWNER, &ha->flags);
2749
2750 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2751 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", dev_state,
2752 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
2753
2754 /* Force to DEV_COLD unless someone else is starting a reset */
2755 if (dev_state != QLA8XXX_DEV_INITIALIZING) {
2756 ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
2757 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD);
2758 qla4_8xxx_set_rst_ready(ha);
2759 }
2760 }
2761
2762 /**
2763 * qla4_8xxx_need_qsnt_handler - Code to start qsnt
2764 * @ha: pointer to adapter structure
2765 **/
2766 void
2767 qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha)
2768 {
2769 ha->isp_ops->idc_lock(ha);
2770 qla4_8xxx_set_qsnt_ready(ha);
2771 ha->isp_ops->idc_unlock(ha);
2772 }
2773
2774 static void qla4_82xx_set_idc_ver(struct scsi_qla_host *ha)
2775 {
2776 int idc_ver;
2777 uint32_t drv_active;
2778
2779 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
2780 if (drv_active == (1 << (ha->func_num * 4))) {
2781 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION,
2782 QLA82XX_IDC_VERSION);
2783 ql4_printk(KERN_INFO, ha,
2784 "%s: IDC version updated to %d\n", __func__,
2785 QLA82XX_IDC_VERSION);
2786 } else {
2787 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION);
2788 if (QLA82XX_IDC_VERSION != idc_ver) {
2789 ql4_printk(KERN_INFO, ha,
2790 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n",
2791 __func__, QLA82XX_IDC_VERSION, idc_ver);
2792 }
2793 }
2794 }
2795
2796 static int qla4_83xx_set_idc_ver(struct scsi_qla_host *ha)
2797 {
2798 int idc_ver;
2799 uint32_t drv_active;
2800 int rval = QLA_SUCCESS;
2801
2802 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
2803 if (drv_active == (1 << ha->func_num)) {
2804 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION);
2805 idc_ver &= (~0xFF);
2806 idc_ver |= QLA83XX_IDC_VER_MAJ_VALUE;
2807 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION, idc_ver);
2808 ql4_printk(KERN_INFO, ha,
2809 "%s: IDC version updated to %d\n", __func__,
2810 idc_ver);
2811 } else {
2812 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION);
2813 idc_ver &= 0xFF;
2814 if (QLA83XX_IDC_VER_MAJ_VALUE != idc_ver) {
2815 ql4_printk(KERN_INFO, ha,
2816 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n",
2817 __func__, QLA83XX_IDC_VER_MAJ_VALUE,
2818 idc_ver);
2819 rval = QLA_ERROR;
2820 goto exit_set_idc_ver;
2821 }
2822 }
2823
2824 /* Update IDC_MINOR_VERSION */
2825 idc_ver = qla4_83xx_rd_reg(ha, QLA83XX_CRB_IDC_VER_MINOR);
2826 idc_ver &= ~(0x03 << (ha->func_num * 2));
2827 idc_ver |= (QLA83XX_IDC_VER_MIN_VALUE << (ha->func_num * 2));
2828 qla4_83xx_wr_reg(ha, QLA83XX_CRB_IDC_VER_MINOR, idc_ver);
2829
2830 exit_set_idc_ver:
2831 return rval;
2832 }
2833
2834 int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha)
2835 {
2836 uint32_t drv_active;
2837 int rval = QLA_SUCCESS;
2838
2839 if (test_bit(AF_INIT_DONE, &ha->flags))
2840 goto exit_update_idc_reg;
2841
2842 ha->isp_ops->idc_lock(ha);
2843 qla4_8xxx_set_drv_active(ha);
2844
2845 /*
2846 * If we are the first driver to load and
2847 * ql4xdontresethba is not set, clear IDC_CTRL BIT0.
2848 */
2849 if (is_qla8032(ha)) {
2850 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE);
2851 if ((drv_active == (1 << ha->func_num)) && !ql4xdontresethba)
2852 qla4_83xx_clear_idc_dontreset(ha);
2853 }
2854
2855 if (is_qla8022(ha)) {
2856 qla4_82xx_set_idc_ver(ha);
2857 } else if (is_qla8032(ha)) {
2858 rval = qla4_83xx_set_idc_ver(ha);
2859 if (rval == QLA_ERROR)
2860 qla4_8xxx_clear_drv_active(ha);
2861 }
2862
2863 ha->isp_ops->idc_unlock(ha);
2864
2865 exit_update_idc_reg:
2866 return rval;
2867 }
2868
2869 /**
2870 * qla4_8xxx_device_state_handler - Adapter state machine
2871 * @ha: pointer to host adapter structure.
2872 *
2873 * Note: IDC lock must be UNLOCKED upon entry
2874 **/
2875 int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
2876 {
2877 uint32_t dev_state;
2878 int rval = QLA_SUCCESS;
2879 unsigned long dev_init_timeout;
2880
2881 rval = qla4_8xxx_update_idc_reg(ha);
2882 if (rval == QLA_ERROR)
2883 goto exit_state_handler;
2884
2885 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
2886 DEBUG2(ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n",
2887 dev_state, dev_state < MAX_STATES ?
2888 qdev_state[dev_state] : "Unknown"));
2889
2890 /* wait for 30 seconds for device to go ready */
2891 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
2892
2893 ha->isp_ops->idc_lock(ha);
2894 while (1) {
2895
2896 if (time_after_eq(jiffies, dev_init_timeout)) {
2897 ql4_printk(KERN_WARNING, ha,
2898 "%s: Device Init Failed 0x%x = %s\n",
2899 DRIVER_NAME,
2900 dev_state, dev_state < MAX_STATES ?
2901 qdev_state[dev_state] : "Unknown");
2902 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
2903 QLA8XXX_DEV_FAILED);
2904 }
2905
2906 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
2907 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n",
2908 dev_state, dev_state < MAX_STATES ?
2909 qdev_state[dev_state] : "Unknown");
2910
2911 /* NOTE: Make sure idc unlocked upon exit of switch statement */
2912 switch (dev_state) {
2913 case QLA8XXX_DEV_READY:
2914 goto exit;
2915 case QLA8XXX_DEV_COLD:
2916 rval = qla4_8xxx_device_bootstrap(ha);
2917 goto exit;
2918 case QLA8XXX_DEV_INITIALIZING:
2919 ha->isp_ops->idc_unlock(ha);
2920 msleep(1000);
2921 ha->isp_ops->idc_lock(ha);
2922 break;
2923 case QLA8XXX_DEV_NEED_RESET:
2924 /*
2925 * For ISP8324, if NEED_RESET is set by any driver,
2926 * it should be honored, irrespective of IDC_CTRL
2927 * DONTRESET_BIT0
2928 */
2929 if (is_qla8032(ha)) {
2930 qla4_83xx_need_reset_handler(ha);
2931 } else if (is_qla8022(ha)) {
2932 if (!ql4xdontresethba) {
2933 qla4_82xx_need_reset_handler(ha);
2934 /* Update timeout value after need
2935 * reset handler */
2936 dev_init_timeout = jiffies +
2937 (ha->nx_dev_init_timeout * HZ);
2938 } else {
2939 ha->isp_ops->idc_unlock(ha);
2940 msleep(1000);
2941 ha->isp_ops->idc_lock(ha);
2942 }
2943 }
2944 break;
2945 case QLA8XXX_DEV_NEED_QUIESCENT:
2946 /* idc locked/unlocked in handler */
2947 qla4_8xxx_need_qsnt_handler(ha);
2948 break;
2949 case QLA8XXX_DEV_QUIESCENT:
2950 ha->isp_ops->idc_unlock(ha);
2951 msleep(1000);
2952 ha->isp_ops->idc_lock(ha);
2953 break;
2954 case QLA8XXX_DEV_FAILED:
2955 ha->isp_ops->idc_unlock(ha);
2956 qla4xxx_dead_adapter_cleanup(ha);
2957 rval = QLA_ERROR;
2958 ha->isp_ops->idc_lock(ha);
2959 goto exit;
2960 default:
2961 ha->isp_ops->idc_unlock(ha);
2962 qla4xxx_dead_adapter_cleanup(ha);
2963 rval = QLA_ERROR;
2964 ha->isp_ops->idc_lock(ha);
2965 goto exit;
2966 }
2967 }
2968 exit:
2969 ha->isp_ops->idc_unlock(ha);
2970 exit_state_handler:
2971 return rval;
2972 }
2973
2974 int qla4_8xxx_load_risc(struct scsi_qla_host *ha)
2975 {
2976 int retval;
2977
2978 /* clear the interrupt */
2979 if (is_qla8032(ha)) {
2980 writel(0, &ha->qla4_83xx_reg->risc_intr);
2981 readl(&ha->qla4_83xx_reg->risc_intr);
2982 } else if (is_qla8022(ha)) {
2983 writel(0, &ha->qla4_82xx_reg->host_int);
2984 readl(&ha->qla4_82xx_reg->host_int);
2985 }
2986
2987 retval = qla4_8xxx_device_state_handler(ha);
2988
2989 if (retval == QLA_SUCCESS && !test_bit(AF_IRQ_ATTACHED, &ha->flags))
2990 retval = qla4xxx_request_irqs(ha);
2991
2992 return retval;
2993 }
2994
2995 /*****************************************************************************/
2996 /* Flash Manipulation Routines */
2997 /*****************************************************************************/
2998
2999 #define OPTROM_BURST_SIZE 0x1000
3000 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4)
3001
3002 #define FARX_DATA_FLAG BIT_31
3003 #define FARX_ACCESS_FLASH_CONF 0x7FFD0000
3004 #define FARX_ACCESS_FLASH_DATA 0x7FF00000
3005
3006 static inline uint32_t
3007 flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
3008 {
3009 return hw->flash_conf_off | faddr;
3010 }
3011
3012 static inline uint32_t
3013 flash_data_addr(struct ql82xx_hw_data *hw, uint32_t faddr)
3014 {
3015 return hw->flash_data_off | faddr;
3016 }
3017
3018 static uint32_t *
3019 qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr,
3020 uint32_t faddr, uint32_t length)
3021 {
3022 uint32_t i;
3023 uint32_t val;
3024 int loops = 0;
3025 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) {
3026 udelay(100);
3027 cond_resched();
3028 loops++;
3029 }
3030 if (loops >= 50000) {
3031 ql4_printk(KERN_WARNING, ha, "ROM lock failed\n");
3032 return dwptr;
3033 }
3034
3035 /* Dword reads to flash. */
3036 for (i = 0; i < length/4; i++, faddr += 4) {
3037 if (qla4_82xx_do_rom_fast_read(ha, faddr, &val)) {
3038 ql4_printk(KERN_WARNING, ha,
3039 "Do ROM fast read failed\n");
3040 goto done_read;
3041 }
3042 dwptr[i] = __constant_cpu_to_le32(val);
3043 }
3044
3045 done_read:
3046 qla4_82xx_rom_unlock(ha);
3047 return dwptr;
3048 }
3049
3050 /**
3051 * Address and length are byte address
3052 **/
3053 static uint8_t *
3054 qla4_82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
3055 uint32_t offset, uint32_t length)
3056 {
3057 qla4_82xx_read_flash_data(ha, (uint32_t *)buf, offset, length);
3058 return buf;
3059 }
3060
3061 static int
3062 qla4_8xxx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start)
3063 {
3064 const char *loc, *locations[] = { "DEF", "PCI" };
3065
3066 /*
3067 * FLT-location structure resides after the last PCI region.
3068 */
3069
3070 /* Begin with sane defaults. */
3071 loc = locations[0];
3072 *start = FA_FLASH_LAYOUT_ADDR_82;
3073
3074 DEBUG2(ql4_printk(KERN_INFO, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
3075 return QLA_SUCCESS;
3076 }
3077
3078 static void
3079 qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
3080 {
3081 const char *loc, *locations[] = { "DEF", "FLT" };
3082 uint16_t *wptr;
3083 uint16_t cnt, chksum;
3084 uint32_t start, status;
3085 struct qla_flt_header *flt;
3086 struct qla_flt_region *region;
3087 struct ql82xx_hw_data *hw = &ha->hw;
3088
3089 hw->flt_region_flt = flt_addr;
3090 wptr = (uint16_t *)ha->request_ring;
3091 flt = (struct qla_flt_header *)ha->request_ring;
3092 region = (struct qla_flt_region *)&flt[1];
3093
3094 if (is_qla8022(ha)) {
3095 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
3096 flt_addr << 2, OPTROM_BURST_SIZE);
3097 } else if (is_qla8032(ha)) {
3098 status = qla4_83xx_flash_read_u32(ha, flt_addr << 2,
3099 (uint8_t *)ha->request_ring,
3100 0x400);
3101 if (status != QLA_SUCCESS)
3102 goto no_flash_data;
3103 }
3104
3105 if (*wptr == __constant_cpu_to_le16(0xffff))
3106 goto no_flash_data;
3107 if (flt->version != __constant_cpu_to_le16(1)) {
3108 DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: "
3109 "version=0x%x length=0x%x checksum=0x%x.\n",
3110 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
3111 le16_to_cpu(flt->checksum)));
3112 goto no_flash_data;
3113 }
3114
3115 cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
3116 for (chksum = 0; cnt; cnt--)
3117 chksum += le16_to_cpu(*wptr++);
3118 if (chksum) {
3119 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
3120 "version=0x%x length=0x%x checksum=0x%x.\n",
3121 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
3122 chksum));
3123 goto no_flash_data;
3124 }
3125
3126 loc = locations[1];
3127 cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
3128 for ( ; cnt; cnt--, region++) {
3129 /* Store addresses as DWORD offsets. */
3130 start = le32_to_cpu(region->start) >> 2;
3131
3132 DEBUG3(ql4_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
3133 "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
3134 le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
3135
3136 switch (le32_to_cpu(region->code) & 0xff) {
3137 case FLT_REG_FDT:
3138 hw->flt_region_fdt = start;
3139 break;
3140 case FLT_REG_BOOT_CODE_82:
3141 hw->flt_region_boot = start;
3142 break;
3143 case FLT_REG_FW_82:
3144 case FLT_REG_FW_82_1:
3145 hw->flt_region_fw = start;
3146 break;
3147 case FLT_REG_BOOTLOAD_82:
3148 hw->flt_region_bootload = start;
3149 break;
3150 case FLT_REG_ISCSI_PARAM:
3151 hw->flt_iscsi_param = start;
3152 break;
3153 case FLT_REG_ISCSI_CHAP:
3154 hw->flt_region_chap = start;
3155 hw->flt_chap_size = le32_to_cpu(region->size);
3156 break;
3157 }
3158 }
3159 goto done;
3160
3161 no_flash_data:
3162 /* Use hardcoded defaults. */
3163 loc = locations[0];
3164
3165 hw->flt_region_fdt = FA_FLASH_DESCR_ADDR_82;
3166 hw->flt_region_boot = FA_BOOT_CODE_ADDR_82;
3167 hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82;
3168 hw->flt_region_fw = FA_RISC_CODE_ADDR_82;
3169 hw->flt_region_chap = FA_FLASH_ISCSI_CHAP;
3170 hw->flt_chap_size = FA_FLASH_CHAP_SIZE;
3171
3172 done:
3173 DEBUG2(ql4_printk(KERN_INFO, ha, "FLT[%s]: flt=0x%x fdt=0x%x "
3174 "boot=0x%x bootload=0x%x fw=0x%x\n", loc, hw->flt_region_flt,
3175 hw->flt_region_fdt, hw->flt_region_boot, hw->flt_region_bootload,
3176 hw->flt_region_fw));
3177 }
3178
3179 static void
3180 qla4_82xx_get_fdt_info(struct scsi_qla_host *ha)
3181 {
3182 #define FLASH_BLK_SIZE_4K 0x1000
3183 #define FLASH_BLK_SIZE_32K 0x8000
3184 #define FLASH_BLK_SIZE_64K 0x10000
3185 const char *loc, *locations[] = { "MID", "FDT" };
3186 uint16_t cnt, chksum;
3187 uint16_t *wptr;
3188 struct qla_fdt_layout *fdt;
3189 uint16_t mid = 0;
3190 uint16_t fid = 0;
3191 struct ql82xx_hw_data *hw = &ha->hw;
3192
3193 hw->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3194 hw->flash_data_off = FARX_ACCESS_FLASH_DATA;
3195
3196 wptr = (uint16_t *)ha->request_ring;
3197 fdt = (struct qla_fdt_layout *)ha->request_ring;
3198 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
3199 hw->flt_region_fdt << 2, OPTROM_BURST_SIZE);
3200
3201 if (*wptr == __constant_cpu_to_le16(0xffff))
3202 goto no_flash_data;
3203
3204 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
3205 fdt->sig[3] != 'D')
3206 goto no_flash_data;
3207
3208 for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
3209 cnt++)
3210 chksum += le16_to_cpu(*wptr++);
3211
3212 if (chksum) {
3213 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
3214 "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
3215 le16_to_cpu(fdt->version)));
3216 goto no_flash_data;
3217 }
3218
3219 loc = locations[1];
3220 mid = le16_to_cpu(fdt->man_id);
3221 fid = le16_to_cpu(fdt->id);
3222 hw->fdt_wrt_disable = fdt->wrt_disable_bits;
3223 hw->fdt_erase_cmd = flash_conf_addr(hw, 0x0300 | fdt->erase_cmd);
3224 hw->fdt_block_size = le32_to_cpu(fdt->block_size);
3225
3226 if (fdt->unprotect_sec_cmd) {
3227 hw->fdt_unprotect_sec_cmd = flash_conf_addr(hw, 0x0300 |
3228 fdt->unprotect_sec_cmd);
3229 hw->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
3230 flash_conf_addr(hw, 0x0300 | fdt->protect_sec_cmd) :
3231 flash_conf_addr(hw, 0x0336);
3232 }
3233 goto done;
3234
3235 no_flash_data:
3236 loc = locations[0];
3237 hw->fdt_block_size = FLASH_BLK_SIZE_64K;
3238 done:
3239 DEBUG2(ql4_printk(KERN_INFO, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
3240 "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
3241 hw->fdt_erase_cmd, hw->fdt_protect_sec_cmd,
3242 hw->fdt_unprotect_sec_cmd, hw->fdt_wrt_disable,
3243 hw->fdt_block_size));
3244 }
3245
3246 static void
3247 qla4_82xx_get_idc_param(struct scsi_qla_host *ha)
3248 {
3249 #define QLA82XX_IDC_PARAM_ADDR 0x003e885c
3250 uint32_t *wptr;
3251
3252 if (!is_qla8022(ha))
3253 return;
3254 wptr = (uint32_t *)ha->request_ring;
3255 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
3256 QLA82XX_IDC_PARAM_ADDR , 8);
3257
3258 if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
3259 ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT;
3260 ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT;
3261 } else {
3262 ha->nx_dev_init_timeout = le32_to_cpu(*wptr++);
3263 ha->nx_reset_timeout = le32_to_cpu(*wptr);
3264 }
3265
3266 DEBUG2(ql4_printk(KERN_DEBUG, ha,
3267 "ha->nx_dev_init_timeout = %d\n", ha->nx_dev_init_timeout));
3268 DEBUG2(ql4_printk(KERN_DEBUG, ha,
3269 "ha->nx_reset_timeout = %d\n", ha->nx_reset_timeout));
3270 return;
3271 }
3272
3273 void qla4_82xx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd,
3274 int in_count)
3275 {
3276 int i;
3277
3278 /* Load all mailbox registers, except mailbox 0. */
3279 for (i = 1; i < in_count; i++)
3280 writel(mbx_cmd[i], &ha->qla4_82xx_reg->mailbox_in[i]);
3281
3282 /* Wakeup firmware */
3283 writel(mbx_cmd[0], &ha->qla4_82xx_reg->mailbox_in[0]);
3284 readl(&ha->qla4_82xx_reg->mailbox_in[0]);
3285 writel(HINT_MBX_INT_PENDING, &ha->qla4_82xx_reg->hint);
3286 readl(&ha->qla4_82xx_reg->hint);
3287 }
3288
3289 void qla4_82xx_process_mbox_intr(struct scsi_qla_host *ha, int out_count)
3290 {
3291 int intr_status;
3292
3293 intr_status = readl(&ha->qla4_82xx_reg->host_int);
3294 if (intr_status & ISRX_82XX_RISC_INT) {
3295 ha->mbox_status_count = out_count;
3296 intr_status = readl(&ha->qla4_82xx_reg->host_status);
3297 ha->isp_ops->interrupt_service_routine(ha, intr_status);
3298
3299 if (test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
3300 test_bit(AF_INTx_ENABLED, &ha->flags))
3301 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg,
3302 0xfbff);
3303 }
3304 }
3305
3306 int
3307 qla4_8xxx_get_flash_info(struct scsi_qla_host *ha)
3308 {
3309 int ret;
3310 uint32_t flt_addr;
3311
3312 ret = qla4_8xxx_find_flt_start(ha, &flt_addr);
3313 if (ret != QLA_SUCCESS)
3314 return ret;
3315
3316 qla4_8xxx_get_flt_info(ha, flt_addr);
3317 if (is_qla8022(ha)) {
3318 qla4_82xx_get_fdt_info(ha);
3319 qla4_82xx_get_idc_param(ha);
3320 } else if (is_qla8032(ha)) {
3321 qla4_83xx_get_idc_param(ha);
3322 }
3323
3324 return QLA_SUCCESS;
3325 }
3326
3327 /**
3328 * qla4_8xxx_stop_firmware - stops firmware on specified adapter instance
3329 * @ha: pointer to host adapter structure.
3330 *
3331 * Remarks:
3332 * For iSCSI, throws away all I/O and AENs into bit bucket, so they will
3333 * not be available after successful return. Driver must cleanup potential
3334 * outstanding I/O's after calling this funcion.
3335 **/
3336 int
3337 qla4_8xxx_stop_firmware(struct scsi_qla_host *ha)
3338 {
3339 int status;
3340 uint32_t mbox_cmd[MBOX_REG_COUNT];
3341 uint32_t mbox_sts[MBOX_REG_COUNT];
3342
3343 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
3344 memset(&mbox_sts, 0, sizeof(mbox_sts));
3345
3346 mbox_cmd[0] = MBOX_CMD_STOP_FW;
3347 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1,
3348 &mbox_cmd[0], &mbox_sts[0]);
3349
3350 DEBUG2(printk("scsi%ld: %s: status = %d\n", ha->host_no,
3351 __func__, status));
3352 return status;
3353 }
3354
3355 /**
3356 * qla4_82xx_isp_reset - Resets ISP and aborts all outstanding commands.
3357 * @ha: pointer to host adapter structure.
3358 **/
3359 int
3360 qla4_82xx_isp_reset(struct scsi_qla_host *ha)
3361 {
3362 int rval;
3363 uint32_t dev_state;
3364
3365 qla4_82xx_idc_lock(ha);
3366 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3367
3368 if (dev_state == QLA8XXX_DEV_READY) {
3369 ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
3370 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3371 QLA8XXX_DEV_NEED_RESET);
3372 set_bit(AF_8XXX_RST_OWNER, &ha->flags);
3373 } else
3374 ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
3375
3376 qla4_82xx_idc_unlock(ha);
3377
3378 rval = qla4_8xxx_device_state_handler(ha);
3379
3380 qla4_82xx_idc_lock(ha);
3381 qla4_8xxx_clear_rst_ready(ha);
3382 qla4_82xx_idc_unlock(ha);
3383
3384 if (rval == QLA_SUCCESS) {
3385 ql4_printk(KERN_INFO, ha, "Clearing AF_RECOVERY in qla4_82xx_isp_reset\n");
3386 clear_bit(AF_FW_RECOVERY, &ha->flags);
3387 }
3388
3389 return rval;
3390 }
3391
3392 /**
3393 * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number
3394 * @ha: pointer to host adapter structure.
3395 *
3396 **/
3397 int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
3398 {
3399 uint32_t mbox_cmd[MBOX_REG_COUNT];
3400 uint32_t mbox_sts[MBOX_REG_COUNT];
3401 struct mbx_sys_info *sys_info;
3402 dma_addr_t sys_info_dma;
3403 int status = QLA_ERROR;
3404
3405 sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info),
3406 &sys_info_dma, GFP_KERNEL);
3407 if (sys_info == NULL) {
3408 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
3409 ha->host_no, __func__));
3410 return status;
3411 }
3412
3413 memset(sys_info, 0, sizeof(*sys_info));
3414 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
3415 memset(&mbox_sts, 0, sizeof(mbox_sts));
3416
3417 mbox_cmd[0] = MBOX_CMD_GET_SYS_INFO;
3418 mbox_cmd[1] = LSDW(sys_info_dma);
3419 mbox_cmd[2] = MSDW(sys_info_dma);
3420 mbox_cmd[4] = sizeof(*sys_info);
3421
3422 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 6, &mbox_cmd[0],
3423 &mbox_sts[0]) != QLA_SUCCESS) {
3424 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO failed\n",
3425 ha->host_no, __func__));
3426 goto exit_validate_mac82;
3427 }
3428
3429 /* Make sure we receive the minimum required data to cache internally */
3430 if ((is_qla8032(ha) ? mbox_sts[3] : mbox_sts[4]) <
3431 offsetof(struct mbx_sys_info, reserved)) {
3432 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive"
3433 " error (%x)\n", ha->host_no, __func__, mbox_sts[4]));
3434 goto exit_validate_mac82;
3435 }
3436
3437 /* Save M.A.C. address & serial_number */
3438 ha->port_num = sys_info->port_num;
3439 memcpy(ha->my_mac, &sys_info->mac_addr[0],
3440 min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr)));
3441 memcpy(ha->serial_number, &sys_info->serial_number,
3442 min(sizeof(ha->serial_number), sizeof(sys_info->serial_number)));
3443 memcpy(ha->model_name, &sys_info->board_id_str,
3444 min(sizeof(ha->model_name), sizeof(sys_info->board_id_str)));
3445 ha->phy_port_cnt = sys_info->phys_port_cnt;
3446 ha->phy_port_num = sys_info->port_num;
3447 ha->iscsi_pci_func_cnt = sys_info->iscsi_pci_func_cnt;
3448
3449 DEBUG2(printk("scsi%ld: %s: "
3450 "mac %02x:%02x:%02x:%02x:%02x:%02x "
3451 "serial %s\n", ha->host_no, __func__,
3452 ha->my_mac[0], ha->my_mac[1], ha->my_mac[2],
3453 ha->my_mac[3], ha->my_mac[4], ha->my_mac[5],
3454 ha->serial_number));
3455
3456 status = QLA_SUCCESS;
3457
3458 exit_validate_mac82:
3459 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info,
3460 sys_info_dma);
3461 return status;
3462 }
3463
3464 /* Interrupt handling helpers. */
3465
3466 int qla4_8xxx_intr_enable(struct scsi_qla_host *ha)
3467 {
3468 uint32_t mbox_cmd[MBOX_REG_COUNT];
3469 uint32_t mbox_sts[MBOX_REG_COUNT];
3470
3471 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
3472
3473 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
3474 memset(&mbox_sts, 0, sizeof(mbox_sts));
3475 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
3476 mbox_cmd[1] = INTR_ENABLE;
3477 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
3478 &mbox_sts[0]) != QLA_SUCCESS) {
3479 DEBUG2(ql4_printk(KERN_INFO, ha,
3480 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
3481 __func__, mbox_sts[0]));
3482 return QLA_ERROR;
3483 }
3484 return QLA_SUCCESS;
3485 }
3486
3487 int qla4_8xxx_intr_disable(struct scsi_qla_host *ha)
3488 {
3489 uint32_t mbox_cmd[MBOX_REG_COUNT];
3490 uint32_t mbox_sts[MBOX_REG_COUNT];
3491
3492 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__));
3493
3494 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
3495 memset(&mbox_sts, 0, sizeof(mbox_sts));
3496 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS;
3497 mbox_cmd[1] = INTR_DISABLE;
3498 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
3499 &mbox_sts[0]) != QLA_SUCCESS) {
3500 DEBUG2(ql4_printk(KERN_INFO, ha,
3501 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n",
3502 __func__, mbox_sts[0]));
3503 return QLA_ERROR;
3504 }
3505
3506 return QLA_SUCCESS;
3507 }
3508
3509 void
3510 qla4_82xx_enable_intrs(struct scsi_qla_host *ha)
3511 {
3512 qla4_8xxx_intr_enable(ha);
3513
3514 spin_lock_irq(&ha->hardware_lock);
3515 /* BIT 10 - reset */
3516 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
3517 spin_unlock_irq(&ha->hardware_lock);
3518 set_bit(AF_INTERRUPTS_ON, &ha->flags);
3519 }
3520
3521 void
3522 qla4_82xx_disable_intrs(struct scsi_qla_host *ha)
3523 {
3524 if (test_and_clear_bit(AF_INTERRUPTS_ON, &ha->flags))
3525 qla4_8xxx_intr_disable(ha);
3526
3527 spin_lock_irq(&ha->hardware_lock);
3528 /* BIT 10 - set */
3529 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
3530 spin_unlock_irq(&ha->hardware_lock);
3531 }
3532
3533 struct ql4_init_msix_entry {
3534 uint16_t entry;
3535 uint16_t index;
3536 const char *name;
3537 irq_handler_t handler;
3538 };
3539
3540 static struct ql4_init_msix_entry qla4_8xxx_msix_entries[QLA_MSIX_ENTRIES] = {
3541 { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT,
3542 "qla4xxx (default)",
3543 (irq_handler_t)qla4_8xxx_default_intr_handler },
3544 { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q,
3545 "qla4xxx (rsp_q)", (irq_handler_t)qla4_8xxx_msix_rsp_q },
3546 };
3547
3548 void
3549 qla4_8xxx_disable_msix(struct scsi_qla_host *ha)
3550 {
3551 int i;
3552 struct ql4_msix_entry *qentry;
3553
3554 for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
3555 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index];
3556 if (qentry->have_irq) {
3557 free_irq(qentry->msix_vector, ha);
3558 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
3559 __func__, qla4_8xxx_msix_entries[i].name));
3560 }
3561 }
3562 pci_disable_msix(ha->pdev);
3563 clear_bit(AF_MSIX_ENABLED, &ha->flags);
3564 }
3565
3566 int
3567 qla4_8xxx_enable_msix(struct scsi_qla_host *ha)
3568 {
3569 int i, ret;
3570 struct msix_entry entries[QLA_MSIX_ENTRIES];
3571 struct ql4_msix_entry *qentry;
3572
3573 for (i = 0; i < QLA_MSIX_ENTRIES; i++)
3574 entries[i].entry = qla4_8xxx_msix_entries[i].entry;
3575
3576 ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries));
3577 if (ret) {
3578 ql4_printk(KERN_WARNING, ha,
3579 "MSI-X: Failed to enable support -- %d/%d\n",
3580 QLA_MSIX_ENTRIES, ret);
3581 goto msix_out;
3582 }
3583 set_bit(AF_MSIX_ENABLED, &ha->flags);
3584
3585 for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
3586 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index];
3587 qentry->msix_vector = entries[i].vector;
3588 qentry->msix_entry = entries[i].entry;
3589 qentry->have_irq = 0;
3590 ret = request_irq(qentry->msix_vector,
3591 qla4_8xxx_msix_entries[i].handler, 0,
3592 qla4_8xxx_msix_entries[i].name, ha);
3593 if (ret) {
3594 ql4_printk(KERN_WARNING, ha,
3595 "MSI-X: Unable to register handler -- %x/%d.\n",
3596 qla4_8xxx_msix_entries[i].index, ret);
3597 qla4_8xxx_disable_msix(ha);
3598 goto msix_out;
3599 }
3600 qentry->have_irq = 1;
3601 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n",
3602 __func__, qla4_8xxx_msix_entries[i].name));
3603 }
3604 msix_out:
3605 return ret;
3606 }
Linux kernel - Deliverables
This page took 0.701131 seconds and 5 git commands to generate.