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42#include "aic79xx_osm.h"
43#include "aic79xx_inline.h"
44
45static void ahd_dump_target_state(struct ahd_softc *ahd,
46 struct seq_file *m,
47 u_int our_id, char channel,
48 u_int target_id);
49static void ahd_dump_device_state(struct seq_file *m,
50 struct scsi_device *sdev);
51
52
53
54
55
56static const struct {
57 u_int period_factor;
58 u_int period;
59} scsi_syncrates[] = {
60 { 0x08, 625 },
61 { 0x09, 1250 },
62 { 0x0a, 2500 },
63 { 0x0b, 3030 },
64 { 0x0c, 5000 }
65};
66
67
68
69
70
71static u_int
72ahd_calc_syncsrate(u_int period_factor)
73{
74 int i;
75
76
77 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
78
79 if (period_factor == scsi_syncrates[i].period_factor) {
80
81 return (100000000 / scsi_syncrates[i].period);
82 }
83 }
84
85
86
87
88
89 return (10000000 / (period_factor * 4 * 10));
90}
91
92static void
93ahd_format_transinfo(struct seq_file *m, struct ahd_transinfo *tinfo)
94{
95 u_int speed;
96 u_int freq;
97 u_int mb;
98
99 if (tinfo->period == AHD_PERIOD_UNKNOWN) {
100 seq_printf(m, "Renegotiation Pending\n");
101 return;
102 }
103 speed = 3300;
104 freq = 0;
105 if (tinfo->offset != 0) {
106 freq = ahd_calc_syncsrate(tinfo->period);
107 speed = freq;
108 }
109 speed *= (0x01 << tinfo->width);
110 mb = speed / 1000;
111 if (mb > 0)
112 seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
113 else
114 seq_printf(m, "%dKB/s transfers", speed);
115
116 if (freq != 0) {
117 int printed_options;
118
119 printed_options = 0;
120 seq_printf(m, " (%d.%03dMHz", freq / 1000, freq % 1000);
121 if ((tinfo->ppr_options & MSG_EXT_PPR_RD_STRM) != 0) {
122 seq_printf(m, " RDSTRM");
123 printed_options++;
124 }
125 if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
126 seq_printf(m, "%s", printed_options ? "|DT" : " DT");
127 printed_options++;
128 }
129 if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
130 seq_printf(m, "%s", printed_options ? "|IU" : " IU");
131 printed_options++;
132 }
133 if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
134 seq_printf(m, "%s",
135 printed_options ? "|RTI" : " RTI");
136 printed_options++;
137 }
138 if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
139 seq_printf(m, "%s",
140 printed_options ? "|QAS" : " QAS");
141 printed_options++;
142 }
143 }
144
145 if (tinfo->width > 0) {
146 if (freq != 0) {
147 seq_printf(m, ", ");
148 } else {
149 seq_printf(m, " (");
150 }
151 seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
152 } else if (freq != 0) {
153 seq_printf(m, ")");
154 }
155 seq_printf(m, "\n");
156}
157
158static void
159ahd_dump_target_state(struct ahd_softc *ahd, struct seq_file *m,
160 u_int our_id, char channel, u_int target_id)
161{
162 struct scsi_target *starget;
163 struct ahd_initiator_tinfo *tinfo;
164 struct ahd_tmode_tstate *tstate;
165 int lun;
166
167 tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
168 target_id, &tstate);
169 seq_printf(m, "Target %d Negotiation Settings\n", target_id);
170 seq_printf(m, "\tUser: ");
171 ahd_format_transinfo(m, &tinfo->user);
172 starget = ahd->platform_data->starget[target_id];
173 if (starget == NULL)
174 return;
175
176 seq_printf(m, "\tGoal: ");
177 ahd_format_transinfo(m, &tinfo->goal);
178 seq_printf(m, "\tCurr: ");
179 ahd_format_transinfo(m, &tinfo->curr);
180
181 for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
182 struct scsi_device *dev;
183
184 dev = scsi_device_lookup_by_target(starget, lun);
185
186 if (dev == NULL)
187 continue;
188
189 ahd_dump_device_state(m, dev);
190 }
191}
192
193static void
194ahd_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
195{
196 struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
197
198 seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
199 sdev->sdev_target->channel + 'A',
200 sdev->sdev_target->id, sdev->lun);
201
202 seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
203 seq_printf(m, "\t\tCommands Active %d\n", dev->active);
204 seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
205 seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
206 seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
207}
208
209int
210ahd_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
211{
212 struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
213 ahd_mode_state saved_modes;
214 int have_seeprom;
215 u_long s;
216 int paused;
217 int written;
218
219
220 written = -EINVAL;
221 ahd_lock(ahd, &s);
222 paused = ahd_is_paused(ahd);
223 if (!paused)
224 ahd_pause(ahd);
225
226 saved_modes = ahd_save_modes(ahd);
227 ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
228 if (length != sizeof(struct seeprom_config)) {
229 printk("ahd_proc_write_seeprom: incorrect buffer size\n");
230 goto done;
231 }
232
233 have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
234 if (have_seeprom == 0) {
235 printk("ahd_proc_write_seeprom: cksum verification failed\n");
236 goto done;
237 }
238
239 have_seeprom = ahd_acquire_seeprom(ahd);
240 if (!have_seeprom) {
241 printk("ahd_proc_write_seeprom: No Serial EEPROM\n");
242 goto done;
243 } else {
244 u_int start_addr;
245
246 if (ahd->seep_config == NULL) {
247 ahd->seep_config = kmalloc(sizeof(*ahd->seep_config), GFP_ATOMIC);
248 if (ahd->seep_config == NULL) {
249 printk("aic79xx: Unable to allocate serial "
250 "eeprom buffer. Write failing\n");
251 goto done;
252 }
253 }
254 printk("aic79xx: Writing Serial EEPROM\n");
255 start_addr = 32 * (ahd->channel - 'A');
256 ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
257 sizeof(struct seeprom_config)/2);
258 ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
259 start_addr, sizeof(struct seeprom_config)/2,
260 FALSE);
261 ahd_release_seeprom(ahd);
262 written = length;
263 }
264
265done:
266 ahd_restore_modes(ahd, saved_modes);
267 if (!paused)
268 ahd_unpause(ahd);
269 ahd_unlock(ahd, &s);
270 return (written);
271}
272
273
274
275int
276ahd_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
277{
278 struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
279 char ahd_info[256];
280 u_int max_targ;
281 u_int i;
282
283 seq_printf(m, "Adaptec AIC79xx driver version: %s\n",
284 AIC79XX_DRIVER_VERSION);
285 seq_printf(m, "%s\n", ahd->description);
286 ahd_controller_info(ahd, ahd_info);
287 seq_printf(m, "%s\n", ahd_info);
288 seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
289 ahd->scb_data.numscbs, AHD_NSEG);
290
291 max_targ = 16;
292
293 if (ahd->seep_config == NULL)
294 seq_printf(m, "No Serial EEPROM\n");
295 else {
296 seq_printf(m, "Serial EEPROM:\n");
297 for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
298 if (((i % 8) == 0) && (i != 0)) {
299 seq_printf(m, "\n");
300 }
301 seq_printf(m, "0x%.4x ",
302 ((uint16_t*)ahd->seep_config)[i]);
303 }
304 seq_printf(m, "\n");
305 }
306 seq_printf(m, "\n");
307
308 if ((ahd->features & AHD_WIDE) == 0)
309 max_targ = 8;
310
311 for (i = 0; i < max_targ; i++) {
312
313 ahd_dump_target_state(ahd, m, ahd->our_id, 'A',
314 i);
315 }
316 return 0;
317}
318
