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1.1 root 1: /*+M*************************************************************************
2: * Adaptec 274x/284x/294x device driver proc support for Linux.
3: *
4: * Copyright (c) 1995 Dean W. Gehnert
5: *
6: * This program is free software; you can redistribute it and/or modify
7: * it under the terms of the GNU General Public License as published by
8: * the Free Software Foundation; either version 2, or (at your option)
9: * any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; see the file COPYING. If not, write to
18: * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19: *
20: * ----------------------------------------------------------------
21: * o Modified from the EATA /proc support.
22: * o Additional support for device block statistics provided by
23: * Matthew Jacob.
24: *
25: * Dean W. Gehnert, [email protected], 08/30/95
26: *
27: * $Id: aic7xxx_proc.src,v 1.1.1.1 1997/02/25 21:27:47 thomas Exp $
28: *-M*************************************************************************/
29:
30: #define BLS buffer + len + size
31: #define HDRB \
32: " < 512 512-1K 1-2K 2-4K 4-8K 8-16K 16-32K 32-64K 64-128K >128K"
33:
34: #ifdef PROC_DEBUG
35: extern int vsprintf(char *, const char *, va_list);
36:
37: static void
38: proc_debug(const char *fmt, ...)
39: {
40: va_list ap;
41: char buf[256];
42:
43: va_start(ap, fmt);
44: vsprintf(buf, fmt, ap);
45: printk(buf);
46: va_end(ap);
47: }
48: #else /* PROC_DEBUG */
49: # define proc_debug(fmt, args...)
50: #endif /* PROC_DEBUG */
51:
52: /*+F*************************************************************************
53: * Function:
54: * aic7xxx_set_info
55: *
56: * Description:
57: * Set parameters for the driver from the /proc filesystem.
58: *-F*************************************************************************/
59: int
60: aic7xxx_set_info(char *buffer, int length, struct Scsi_Host *HBAptr)
61: {
62: proc_debug("aic7xxx_set_info(): %s\n", buffer);
63: return (-ENOSYS); /* Currently this is a no-op */
64: }
65:
66: /*+F*************************************************************************
67: * Function:
68: * aic7xxx_proc_info
69: *
70: * Description:
71: * Return information to handle /proc support for the driver.
72: *-F*************************************************************************/
73: int
74: aic7xxx_proc_info(char *buffer, char **start, off_t offset, int length,
75: int hostno, int inout)
76: {
77: struct Scsi_Host *HBAptr;
78: struct aic7xxx_host *p;
79: static u8 buff[512];
80: int i;
81: int size = 0;
82: int len = 0;
83: off_t begin = 0;
84: off_t pos = 0;
85: static char *bus_name[] = {"Single", "Twin", "Wide"};
86:
87: HBAptr = NULL;
88: for (i = 0; i < NUMBER(aic7xxx_boards); i++)
89: {
90: if ((HBAptr = aic7xxx_boards[i]) != NULL)
91: {
92: if (HBAptr->host_no == hostno)
93: {
94: break;
95: }
96:
97: while ((HBAptr->hostdata != NULL) &&
98: ((HBAptr = ((struct aic7xxx_host *) HBAptr->hostdata)->next) != NULL))
99: {
100: if (HBAptr->host_no == hostno)
101: {
102: break; break;
103: }
104: }
105:
106: HBAptr = NULL;
107: }
108: }
109:
110: if (HBAptr == NULL)
111: {
112: size += sprintf(BLS, "Can't find adapter for host number %d\n", hostno);
113: len += size; pos = begin + len; size = 0;
114: goto stop_output;
115: }
116:
117: if (inout == TRUE) /* Has data been written to the file? */
118: {
119: return (aic7xxx_set_info(buffer, length, HBAptr));
120: }
121:
122: if (offset == 0)
123: {
124: memset(buff, 0, sizeof(buff));
125: }
126:
127: p = (struct aic7xxx_host *) HBAptr->hostdata;
128:
129: size += sprintf(BLS, "Adaptec AIC7xxx driver version: ");
130: size += sprintf(BLS, "%s/", rcs_version(AIC7XXX_C_VERSION));
131: size += sprintf(BLS, "%s/", rcs_version(AIC7XXX_H_VERSION));
132: size += sprintf(BLS, "%s\n", rcs_version(AIC7XXX_SEQ_VER));
133: len += size; pos = begin + len; size = 0;
134:
135: size += sprintf(BLS, "\n");
136: size += sprintf(BLS, "Compile Options:\n");
137: #ifdef AIC7XXX_RESET_DELAY
138: size += sprintf(BLS, " AIC7XXX_RESET_DELAY : %d\n", AIC7XXX_RESET_DELAY);
139: #endif
140: #ifdef AIC7XXX_TWIN_SUPPORT
141: size += sprintf(BLS, " AIC7XXX_TWIN_SUPPORT : Enabled\n");
142: #else
143: size += sprintf(BLS, " AIC7XXX_TWIN_SUPPORT : Disabled\n");
144: #endif
145: #ifdef AIC7XXX_TAGGED_QUEUEING
146: size += sprintf(BLS, " AIC7XXX_TAGGED_QUEUEING: Enabled\n");
147: #else
148: size += sprintf(BLS, " AIC7XXX_TAGGED_QUEUEING: Disabled\n");
149: #endif
150: #ifdef AIC7XXX_SHARE_IRQS
151: size += sprintf(BLS, " AIC7XXX_SHARE_IRQS : Enabled\n");
152: #else
153: size += sprintf(BLS, " AIC7XXX_SHARE_IRQS : Disabled\n");
154: #endif
155: #ifdef AIC7XXX_PROC_STATS
156: size += sprintf(BLS, " AIC7XXX_PROC_STATS : Enabled\n");
157: #else
158: size += sprintf(BLS, " AIC7XXX_PROC_STATS : Disabled\n");
159: #endif
160: len += size; pos = begin + len; size = 0;
161:
162: size += sprintf(BLS, "\n");
163: size += sprintf(BLS, "Adapter Configuration:\n");
164: size += sprintf(BLS, " SCSI Adapter: %s\n", board_names[p->type]);
165: size += sprintf(BLS, " Host Bus: %s\n", bus_name[p->bus_type]);
166: size += sprintf(BLS, " Base IO: %#.4x\n", p->base);
167: size += sprintf(BLS, " IRQ: %d\n", HBAptr->irq);
168: size += sprintf(BLS, " SCB: %d (%d)\n", p->numscb, p->maxscb);
169: size += sprintf(BLS, " Interrupts: %d", p->isr_count);
170: if (p->chip_type == AIC_777x)
171: {
172: size += sprintf(BLS, " %s\n",
173: (p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)");
174: }
175: else
176: {
177: size += sprintf(BLS, "\n");
178: }
179: size += sprintf(BLS, " Serial EEPROM: %s\n",
180: p->have_seeprom ? "True" : "False");
181: size += sprintf(BLS, " Pause/Unpause: %#.2x/%#.2x\n", p->pause,
182: p->unpause);
183: size += sprintf(BLS, " Extended Translation: %sabled\n",
184: p->extended ? "En" : "Dis");
185: size += sprintf(BLS, " SCSI Bus Reset: %sabled\n",
186: aic7xxx_no_reset ? "Dis" : "En");
187: size += sprintf(BLS, " Ultra SCSI: %sabled\n",
188: p->ultra_enabled ? "En" : "Dis");
189: len += size; pos = begin + len; size = 0;
190:
191: #ifdef AIC7XXX_PROC_STATS
192: {
193: struct aic7xxx_xferstats *sp;
194: int channel, target, lun;
195:
196: /*
197: * XXX: Need to fix this to avoid overflow...
198: */
199: size += sprintf(BLS, "\n");
200: size += sprintf(BLS, "Statistics:\n");
201: for (channel = 0; channel < 2; channel++)
202: {
203: for (target = 0; target < 16; target++)
204: {
205: for (lun = 0; lun < 8; lun++)
206: {
207: sp = &p->stats[channel][target][lun];
208: if (sp->xfers == 0)
209: {
210: continue;
211: }
212: size += sprintf(BLS, "CHAN#%c (TGT %d LUN %d):\n",
213: 'A' + channel, target, lun);
214: size += sprintf(BLS, "nxfers %ld (%ld read;%ld written)\n",
215: sp->xfers, sp->r_total, sp->w_total);
216: size += sprintf(BLS, "blks(512) rd=%ld; blks(512) wr=%ld\n",
217: sp->r_total512, sp->w_total512);
218: size += sprintf(BLS, "%s\n", HDRB);
219: size += sprintf(BLS, " Reads:");
220: size += sprintf(BLS, "%6ld %6ld %6ld %6ld ", sp->r_bins[0],
221: sp->r_bins[1], sp->r_bins[2], sp->r_bins[3]);
222: size += sprintf(BLS, "%6ld %6ld %6ld %6ld ", sp->r_bins[4],
223: sp->r_bins[5], sp->r_bins[6], sp->r_bins[7]);
224: size += sprintf(BLS, "%6ld %6ld\n", sp->r_bins[8],
225: sp->r_bins[9]);
226: size += sprintf(BLS, "Writes:");
227: size += sprintf(BLS, "%6ld %6ld %6ld %6ld ", sp->w_bins[0],
228: sp->w_bins[1], sp->w_bins[2], sp->w_bins[3]);
229: size += sprintf(BLS, "%6ld %6ld %6ld %6ld ", sp->w_bins[4],
230: sp->w_bins[5], sp->w_bins[6], sp->w_bins[7]);
231: size += sprintf(BLS, "%6ld %6ld\n", sp->w_bins[8],
232: sp->w_bins[9]);
233: size += sprintf(BLS, "\n");
234: }
235: }
236: }
237: len += size; pos = begin + len; size = 0;
238: }
239: #endif /* AIC7XXX_PROC_STATS */
240:
241: stop_output:
242: proc_debug("2pos: %ld offset: %ld len: %d\n", pos, offset, len);
243: *start = buffer + (offset - begin); /* Start of wanted data */
244: len -= (offset - begin); /* Start slop */
245: if (len > length)
246: {
247: len = length; /* Ending slop */
248: }
249: proc_debug("3pos: %ld offset: %ld len: %d\n", pos, offset, len);
250:
251: return (len);
252: }
253:
254: /*
255: * Overrides for Emacs so that we follow Linus's tabbing style.
256: * Emacs will notice this stuff at the end of the file and automatically
257: * adjust the settings for this buffer only. This must remain at the end
258: * of the file.
259: * ---------------------------------------------------------------------------
260: * Local variables:
261: * c-indent-level: 2
262: * c-brace-imaginary-offset: 0
263: * c-brace-offset: -2
264: * c-argdecl-indent: 2
265: * c-label-offset: -2
266: * c-continued-statement-offset: 2
267: * c-continued-brace-offset: 0
268: * indent-tabs-mode: nil
269: * tab-width: 8
270: * End:
271: */
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