This source file includes following definitions.
- ahc_calc_syncsrate
- ahc_format_transinfo
- ahc_dump_target_state
- ahc_dump_device_state
- ahc_proc_write_seeprom
- ahc_linux_show_info
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42 #include "aic7xxx_osm.h"
43 #include "aic7xxx_inline.h"
44 #include "aic7xxx_93cx6.h"
45
46 static void ahc_dump_target_state(struct ahc_softc *ahc,
47 struct seq_file *m,
48 u_int our_id, char channel,
49 u_int target_id, u_int target_offset);
50 static void ahc_dump_device_state(struct seq_file *m,
51 struct scsi_device *dev);
52
53
54
55
56
57 static const struct {
58 u_int period_factor;
59 u_int period;
60 } scsi_syncrates[] = {
61 { 0x08, 625 },
62 { 0x09, 1250 },
63 { 0x0a, 2500 },
64 { 0x0b, 3030 },
65 { 0x0c, 5000 }
66 };
67
68
69
70
71
72 static u_int
73 ahc_calc_syncsrate(u_int period_factor)
74 {
75 int i;
76
77
78 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
79
80 if (period_factor == scsi_syncrates[i].period_factor) {
81
82 return (100000000 / scsi_syncrates[i].period);
83 }
84 }
85
86
87
88
89
90 return (10000000 / (period_factor * 4 * 10));
91 }
92
93 static void
94 ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
95 {
96 u_int speed;
97 u_int freq;
98 u_int mb;
99
100 speed = 3300;
101 freq = 0;
102 if (tinfo->offset != 0) {
103 freq = ahc_calc_syncsrate(tinfo->period);
104 speed = freq;
105 }
106 speed *= (0x01 << tinfo->width);
107 mb = speed / 1000;
108 if (mb > 0)
109 seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
110 else
111 seq_printf(m, "%dKB/s transfers", speed);
112
113 if (freq != 0) {
114 seq_printf(m, " (%d.%03dMHz%s, offset %d",
115 freq / 1000, freq % 1000,
116 (tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
117 ? " DT" : "", tinfo->offset);
118 }
119
120 if (tinfo->width > 0) {
121 if (freq != 0) {
122 seq_puts(m, ", ");
123 } else {
124 seq_puts(m, " (");
125 }
126 seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
127 } else if (freq != 0) {
128 seq_putc(m, ')');
129 }
130 seq_putc(m, '\n');
131 }
132
133 static void
134 ahc_dump_target_state(struct ahc_softc *ahc, struct seq_file *m,
135 u_int our_id, char channel, u_int target_id,
136 u_int target_offset)
137 {
138 struct scsi_target *starget;
139 struct ahc_initiator_tinfo *tinfo;
140 struct ahc_tmode_tstate *tstate;
141 int lun;
142
143 tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
144 target_id, &tstate);
145 if ((ahc->features & AHC_TWIN) != 0)
146 seq_printf(m, "Channel %c ", channel);
147 seq_printf(m, "Target %d Negotiation Settings\n", target_id);
148 seq_puts(m, "\tUser: ");
149 ahc_format_transinfo(m, &tinfo->user);
150 starget = ahc->platform_data->starget[target_offset];
151 if (!starget)
152 return;
153
154 seq_puts(m, "\tGoal: ");
155 ahc_format_transinfo(m, &tinfo->goal);
156 seq_puts(m, "\tCurr: ");
157 ahc_format_transinfo(m, &tinfo->curr);
158
159 for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
160 struct scsi_device *sdev;
161
162 sdev = scsi_device_lookup_by_target(starget, lun);
163
164 if (sdev == NULL)
165 continue;
166
167 ahc_dump_device_state(m, sdev);
168 }
169 }
170
171 static void
172 ahc_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
173 {
174 struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
175
176 seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
177 sdev->sdev_target->channel + 'A',
178 sdev->sdev_target->id, (u8)sdev->lun);
179
180 seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
181 seq_printf(m, "\t\tCommands Active %d\n", dev->active);
182 seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
183 seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
184 seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
185 }
186
187 int
188 ahc_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
189 {
190 struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
191 struct seeprom_descriptor sd;
192 int have_seeprom;
193 u_long s;
194 int paused;
195 int written;
196
197
198 written = -EINVAL;
199 ahc_lock(ahc, &s);
200 paused = ahc_is_paused(ahc);
201 if (!paused)
202 ahc_pause(ahc);
203
204 if (length != sizeof(struct seeprom_config)) {
205 printk("ahc_proc_write_seeprom: incorrect buffer size\n");
206 goto done;
207 }
208
209 have_seeprom = ahc_verify_cksum((struct seeprom_config*)buffer);
210 if (have_seeprom == 0) {
211 printk("ahc_proc_write_seeprom: cksum verification failed\n");
212 goto done;
213 }
214
215 sd.sd_ahc = ahc;
216 #if AHC_PCI_CONFIG > 0
217 if ((ahc->chip & AHC_PCI) != 0) {
218 sd.sd_control_offset = SEECTL;
219 sd.sd_status_offset = SEECTL;
220 sd.sd_dataout_offset = SEECTL;
221 if (ahc->flags & AHC_LARGE_SEEPROM)
222 sd.sd_chip = C56_66;
223 else
224 sd.sd_chip = C46;
225 sd.sd_MS = SEEMS;
226 sd.sd_RDY = SEERDY;
227 sd.sd_CS = SEECS;
228 sd.sd_CK = SEECK;
229 sd.sd_DO = SEEDO;
230 sd.sd_DI = SEEDI;
231 have_seeprom = ahc_acquire_seeprom(ahc, &sd);
232 } else
233 #endif
234 if ((ahc->chip & AHC_VL) != 0) {
235 sd.sd_control_offset = SEECTL_2840;
236 sd.sd_status_offset = STATUS_2840;
237 sd.sd_dataout_offset = STATUS_2840;
238 sd.sd_chip = C46;
239 sd.sd_MS = 0;
240 sd.sd_RDY = EEPROM_TF;
241 sd.sd_CS = CS_2840;
242 sd.sd_CK = CK_2840;
243 sd.sd_DO = DO_2840;
244 sd.sd_DI = DI_2840;
245 have_seeprom = TRUE;
246 } else {
247 printk("ahc_proc_write_seeprom: unsupported adapter type\n");
248 goto done;
249 }
250
251 if (!have_seeprom) {
252 printk("ahc_proc_write_seeprom: No Serial EEPROM\n");
253 goto done;
254 } else {
255 u_int start_addr;
256
257 if (ahc->seep_config == NULL) {
258 ahc->seep_config = kmalloc(sizeof(*ahc->seep_config), GFP_ATOMIC);
259 if (ahc->seep_config == NULL) {
260 printk("aic7xxx: Unable to allocate serial "
261 "eeprom buffer. Write failing\n");
262 goto done;
263 }
264 }
265 printk("aic7xxx: Writing Serial EEPROM\n");
266 start_addr = 32 * (ahc->channel - 'A');
267 ahc_write_seeprom(&sd, (u_int16_t *)buffer, start_addr,
268 sizeof(struct seeprom_config)/2);
269 ahc_read_seeprom(&sd, (uint16_t *)ahc->seep_config,
270 start_addr, sizeof(struct seeprom_config)/2);
271 #if AHC_PCI_CONFIG > 0
272 if ((ahc->chip & AHC_VL) == 0)
273 ahc_release_seeprom(&sd);
274 #endif
275 written = length;
276 }
277
278 done:
279 if (!paused)
280 ahc_unpause(ahc);
281 ahc_unlock(ahc, &s);
282 return (written);
283 }
284
285
286
287
288 int
289 ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
290 {
291 struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
292 char ahc_info[256];
293 u_int max_targ;
294 u_int i;
295
296 seq_printf(m, "Adaptec AIC7xxx driver version: %s\n",
297 AIC7XXX_DRIVER_VERSION);
298 seq_printf(m, "%s\n", ahc->description);
299 ahc_controller_info(ahc, ahc_info);
300 seq_printf(m, "%s\n", ahc_info);
301 seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
302 ahc->scb_data->numscbs, AHC_NSEG);
303
304
305 if (ahc->seep_config == NULL)
306 seq_puts(m, "No Serial EEPROM\n");
307 else {
308 seq_puts(m, "Serial EEPROM:\n");
309 for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
310 if (((i % 8) == 0) && (i != 0)) {
311 seq_putc(m, '\n');
312 }
313 seq_printf(m, "0x%.4x ",
314 ((uint16_t*)ahc->seep_config)[i]);
315 }
316 seq_putc(m, '\n');
317 }
318 seq_putc(m, '\n');
319
320 max_targ = 16;
321 if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)
322 max_targ = 8;
323
324 for (i = 0; i < max_targ; i++) {
325 u_int our_id;
326 u_int target_id;
327 char channel;
328
329 channel = 'A';
330 our_id = ahc->our_id;
331 target_id = i;
332 if (i > 7 && (ahc->features & AHC_TWIN) != 0) {
333 channel = 'B';
334 our_id = ahc->our_id_b;
335 target_id = i % 8;
336 }
337
338 ahc_dump_target_state(ahc, m, our_id,
339 channel, target_id, i);
340 }
341 return 0;
342 }