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ipmi_smic.c (163033) ipmi_smic.c (163034)
1/*-
2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/ipmi/ipmi_smic.c 163033 2006-10-05 15:33:43Z jhb $");
28__FBSDID("$FreeBSD: head/sys/dev/ipmi/ipmi_smic.c 163034 2006-10-05 15:35:11Z jhb $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/condvar.h>
34#include <sys/eventhandler.h>
35#include <sys/kernel.h>
36#include <sys/kthread.h>

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242smic_polled_request(struct ipmi_softc *sc, struct ipmi_request *req)
243{
244 u_char *cp, data;
245 int i, state;
246
247 /* First, start the message with the address. */
248 if (!smic_start_write(sc, req->ir_addr))
249 return (0);
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/condvar.h>
34#include <sys/eventhandler.h>
35#include <sys/kernel.h>
36#include <sys/kthread.h>

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242smic_polled_request(struct ipmi_softc *sc, struct ipmi_request *req)
243{
244 u_char *cp, data;
245 int i, state;
246
247 /* First, start the message with the address. */
248 if (!smic_start_write(sc, req->ir_addr))
249 return (0);
250#ifdef SMIC_DEBUG
251 device_printf(sc->ipmi_dev, "SMIC: WRITE_START address: %02x\n",
252 req->ir_addr);
253#endif
250
251 if (req->ir_requestlen == 0) {
252 /* Send the command as the last byte. */
253 if (!smic_write_last(sc, req->ir_command))
254 return (0);
254
255 if (req->ir_requestlen == 0) {
256 /* Send the command as the last byte. */
257 if (!smic_write_last(sc, req->ir_command))
258 return (0);
259#ifdef SMIC_DEBUG
260 device_printf(sc->ipmi_dev, "SMIC: Wrote command: %02x\n",
261 req->ir_command);
262#endif
255 } else {
256 /* Send the command. */
257 if (!smic_write_next(sc, req->ir_command))
258 return (0);
263 } else {
264 /* Send the command. */
265 if (!smic_write_next(sc, req->ir_command))
266 return (0);
267#ifdef SMIC_DEBUG
268 device_printf(sc->ipmi_dev, "SMIC: Wrote command: %02x\n",
269 req->ir_command);
270#endif
259
260 /* Send the payload. */
261 cp = req->ir_request;
271
272 /* Send the payload. */
273 cp = req->ir_request;
262 for (i = 0; i < req->ir_requestlen - 1; i++)
274 for (i = 0; i < req->ir_requestlen - 1; i++) {
263 if (!smic_write_next(sc, *cp++))
264 return (0);
275 if (!smic_write_next(sc, *cp++))
276 return (0);
277#ifdef SMIC_DEBUG
278 device_printf(sc->ipmi_dev, "SMIC: Wrote data: %02x\n",
279 cp[-1]);
280#endif
281 }
265 if (!smic_write_last(sc, *cp))
266 return (0);
282 if (!smic_write_last(sc, *cp))
283 return (0);
284#ifdef SMIC_DEBUG
285 device_printf(sc->ipmi_dev, "SMIC: Write last data: %02x\n",
286 *cp);
287#endif
267 }
268
269 /* Start the read phase by reading the NetFn/LUN. */
270 if (smic_start_read(sc, &data) != 1)
271 return (0);
288 }
289
290 /* Start the read phase by reading the NetFn/LUN. */
291 if (smic_start_read(sc, &data) != 1)
292 return (0);
293#ifdef SMIC_DEBUG
294 device_printf(sc->ipmi_dev, "SMIC: Read address: %02x\n", data);
295#endif
272 if (data != IPMI_REPLY_ADDR(req->ir_addr)) {
273 device_printf(sc->ipmi_dev, "SMIC: Reply address mismatch\n");
274 return (0);
275 }
276
277 /* Read the command. */
278 if (smic_read_byte(sc, &data) != 1)
279 return (0);
296 if (data != IPMI_REPLY_ADDR(req->ir_addr)) {
297 device_printf(sc->ipmi_dev, "SMIC: Reply address mismatch\n");
298 return (0);
299 }
300
301 /* Read the command. */
302 if (smic_read_byte(sc, &data) != 1)
303 return (0);
304#ifdef SMIC_DEBUG
305 device_printf(sc->ipmi_dev, "SMIC: Read command: %02x\n", data);
306#endif
280 if (data != req->ir_command) {
281 device_printf(sc->ipmi_dev, "SMIC: Command mismatch\n");
282 return (0);
283 }
284
285 /* Read the completion code. */
286 state = smic_read_byte(sc, &req->ir_compcode);
287 if (state == 0)
288 return (0);
307 if (data != req->ir_command) {
308 device_printf(sc->ipmi_dev, "SMIC: Command mismatch\n");
309 return (0);
310 }
311
312 /* Read the completion code. */
313 state = smic_read_byte(sc, &req->ir_compcode);
314 if (state == 0)
315 return (0);
316#ifdef SMIC_DEBUG
317 device_printf(sc->ipmi_dev, "SMIC: Read completion code: %02x\n",
318 req->ir_compcode);
319#endif
289
290 /* Finally, read the reply from the BMC. */
291 i = 0;
292 while (state == 1) {
293 state = smic_read_byte(sc, &data);
294 if (state == 0)
295 return (0);
320
321 /* Finally, read the reply from the BMC. */
322 i = 0;
323 while (state == 1) {
324 state = smic_read_byte(sc, &data);
325 if (state == 0)
326 return (0);
296 if (i < req->ir_replybuflen)
327 if (i < req->ir_replybuflen) {
297 req->ir_reply[i] = data;
328 req->ir_reply[i] = data;
329#ifdef SMIC_DEBUG
330 device_printf(sc->ipmi_dev, "SMIC: Read data: %02x\n",
331 data);
332 } else {
333 device_printf(sc->ipmi_dev,
334 "SMIC: Read short %02x byte %d\n", data, i + 1);
335#endif
336 }
298 i++;
299 }
300
301 /* Terminate the transfer. */
302 if (!smic_read_end(sc))
303 return (0);
304 req->ir_replylen = i;
337 i++;
338 }
339
340 /* Terminate the transfer. */
341 if (!smic_read_end(sc))
342 return (0);
343 req->ir_replylen = i;
344#ifdef SMIC_DEBUG
345 device_printf(sc->ipmi_dev, "SMIC: READ finished (%d bytes)\n", i);
346 if (req->ir_replybuflen < i)
347#else
305 if (req->ir_replybuflen < i && req->ir_replybuflen != 0)
348 if (req->ir_replybuflen < i && req->ir_replybuflen != 0)
349#endif
306 device_printf(sc->ipmi_dev,
307 "SMIC: Read short: %zd buffer, %d actual\n",
308 req->ir_replybuflen, i);
309 return (1);
310}
311
312static void
313smic_loop(void *arg)

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350
351 /* See if we can talk to the controller. */
352 flags = INB(sc, SMIC_FLAGS);
353 if (flags == 0xff) {
354 device_printf(sc->ipmi_dev, "couldn't find it\n");
355 return (ENXIO);
356 }
357
350 device_printf(sc->ipmi_dev,
351 "SMIC: Read short: %zd buffer, %d actual\n",
352 req->ir_replybuflen, i);
353 return (1);
354}
355
356static void
357smic_loop(void *arg)

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394
395 /* See if we can talk to the controller. */
396 flags = INB(sc, SMIC_FLAGS);
397 if (flags == 0xff) {
398 device_printf(sc->ipmi_dev, "couldn't find it\n");
399 return (ENXIO);
400 }
401
402#ifdef SMIC_DEBUG
403 device_printf(sc->ipmi_dev, "SMIC: initial state: %02x\n", flags);
404#endif
405
358 return (0);
359}
406 return (0);
407}