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ctl_frontend_internal.c (237726) ctl_frontend_internal.c (249009)
1/*-
2 * Copyright (c) 2004, 2005 Silicon Graphics International Corp.
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

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

43 * To be able to fulfill the role of a full initiator layer, it would need
44 * a whole lot more functionality.
45 *
46 * Author: Ken Merry <ken@FreeBSD.org>
47 *
48 */
49
50#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2004, 2005 Silicon Graphics International Corp.
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

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

43 * To be able to fulfill the role of a full initiator layer, it would need
44 * a whole lot more functionality.
45 *
46 * Author: Ken Merry <ken@FreeBSD.org>
47 *
48 */
49
50#include <sys/cdefs.h>
51__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_frontend_internal.c 237726 2012-06-28 19:39:30Z ken $");
51__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_frontend_internal.c 249009 2013-04-02 09:42:42Z trasz $");
52
53#include <sys/param.h>
54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/types.h>
57#include <sys/malloc.h>
52
53#include <sys/param.h>
54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/types.h>
57#include <sys/malloc.h>
58#include <sys/module.h>
58#include <sys/lock.h>
59#include <sys/mutex.h>
60#include <sys/condvar.h>
61#include <sys/queue.h>
62#include <sys/sbuf.h>
63#include <sys/sysctl.h>
64#include <cam/scsi/scsi_all.h>
65#include <cam/scsi/scsi_da.h>

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184 struct ctl_mem_pool metatask_pool;
185};
186
187MALLOC_DEFINE(M_CTL_CFI, "ctlcfi", "CTL CFI");
188
189static struct cfi_softc fetd_internal_softc;
190extern int ctl_disable;
191
59#include <sys/lock.h>
60#include <sys/mutex.h>
61#include <sys/condvar.h>
62#include <sys/queue.h>
63#include <sys/sbuf.h>
64#include <sys/sysctl.h>
65#include <cam/scsi/scsi_all.h>
66#include <cam/scsi/scsi_da.h>

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

185 struct ctl_mem_pool metatask_pool;
186};
187
188MALLOC_DEFINE(M_CTL_CFI, "ctlcfi", "CTL CFI");
189
190static struct cfi_softc fetd_internal_softc;
191extern int ctl_disable;
192
192void cfi_init(void);
193int cfi_init(void);
193void cfi_shutdown(void) __unused;
194static void cfi_online(void *arg);
195static void cfi_offline(void *arg);
196static int cfi_targ_enable(void *arg, struct ctl_id targ_id);
197static int cfi_targ_disable(void *arg, struct ctl_id targ_id);
198static int cfi_lun_enable(void *arg, struct ctl_id target_id, int lun_id);
199static int cfi_lun_disable(void *arg, struct ctl_id target_id, int lun_id);
200static void cfi_datamove(union ctl_io *io);

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

212static void cfi_metatask_done(struct cfi_softc *softc,
213 struct cfi_metatask *metatask);
214static void cfi_metatask_bbr_errorparse(struct cfi_metatask *metatask,
215 union ctl_io *io);
216static void cfi_metatask_io_done(union ctl_io *io);
217static void cfi_err_recovery_done(union ctl_io *io);
218static void cfi_lun_io_done(union ctl_io *io);
219
194void cfi_shutdown(void) __unused;
195static void cfi_online(void *arg);
196static void cfi_offline(void *arg);
197static int cfi_targ_enable(void *arg, struct ctl_id targ_id);
198static int cfi_targ_disable(void *arg, struct ctl_id targ_id);
199static int cfi_lun_enable(void *arg, struct ctl_id target_id, int lun_id);
200static int cfi_lun_disable(void *arg, struct ctl_id target_id, int lun_id);
201static void cfi_datamove(union ctl_io *io);

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

213static void cfi_metatask_done(struct cfi_softc *softc,
214 struct cfi_metatask *metatask);
215static void cfi_metatask_bbr_errorparse(struct cfi_metatask *metatask,
216 union ctl_io *io);
217static void cfi_metatask_io_done(union ctl_io *io);
218static void cfi_err_recovery_done(union ctl_io *io);
219static void cfi_lun_io_done(union ctl_io *io);
220
220SYSINIT(cfi_init, SI_SUB_CONFIGURE, SI_ORDER_FOURTH, cfi_init, NULL);
221static int cfi_module_event_handler(module_t, int /*modeventtype_t*/, void *);
221
222
222void
223static moduledata_t cfi_moduledata = {
224 "ctlcfi",
225 cfi_module_event_handler,
226 NULL
227};
228
229DECLARE_MODULE(ctlcfi, cfi_moduledata, SI_SUB_CONFIGURE, SI_ORDER_FOURTH);
230MODULE_VERSION(ctlcfi, 1);
231MODULE_DEPEND(ctlcfi, ctl, 1, 1, 1);
232
233int
223cfi_init(void)
224{
225 struct cfi_softc *softc;
226 struct ctl_frontend *fe;
227 int retval;
228
229 softc = &fetd_internal_softc;
230
231 fe = &softc->fe;
232
233 retval = 0;
234
235 /* If we're disabled, don't initialize */
236 if (ctl_disable != 0)
234cfi_init(void)
235{
236 struct cfi_softc *softc;
237 struct ctl_frontend *fe;
238 int retval;
239
240 softc = &fetd_internal_softc;
241
242 fe = &softc->fe;
243
244 retval = 0;
245
246 /* If we're disabled, don't initialize */
247 if (ctl_disable != 0)
237 return;
248 return (0);
238
239 if (sizeof(struct cfi_lun_io) > CTL_PORT_PRIV_SIZE) {
240 printf("%s: size of struct cfi_lun_io %zd > "
241 "CTL_PORT_PRIV_SIZE %d\n", __func__,
242 sizeof(struct cfi_lun_io),
243 CTL_PORT_PRIV_SIZE);
244 }
245 memset(softc, 0, sizeof(softc));

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

287 CTL_MEM_POOL_PERM_GROW, /*grow_inc*/ 3,
288 /*initial_pool_size*/ 10) != 0) {
289 printf("%s: can't initialize metatask memory pool\n", __func__);
290 retval = 2;
291 goto bailout_error;
292 }
293bailout:
294
249
250 if (sizeof(struct cfi_lun_io) > CTL_PORT_PRIV_SIZE) {
251 printf("%s: size of struct cfi_lun_io %zd > "
252 "CTL_PORT_PRIV_SIZE %d\n", __func__,
253 sizeof(struct cfi_lun_io),
254 CTL_PORT_PRIV_SIZE);
255 }
256 memset(softc, 0, sizeof(softc));

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

298 CTL_MEM_POOL_PERM_GROW, /*grow_inc*/ 3,
299 /*initial_pool_size*/ 10) != 0) {
300 printf("%s: can't initialize metatask memory pool\n", __func__);
301 retval = 2;
302 goto bailout_error;
303 }
304bailout:
305
295 return;
306 return (0);
296
297bailout_error:
298
299 switch (retval) {
300 case 3:
301 ctl_shrink_mem_pool(&softc->metatask_pool);
302 /* FALLTHROUGH */
303 case 2:
304 ctl_shrink_mem_pool(&softc->lun_pool);
305 /* FALLTHROUGH */
306 case 1:
307 ctl_frontend_deregister(fe);
308 break;
309 default:
310 break;
311 }
307
308bailout_error:
309
310 switch (retval) {
311 case 3:
312 ctl_shrink_mem_pool(&softc->metatask_pool);
313 /* FALLTHROUGH */
314 case 2:
315 ctl_shrink_mem_pool(&softc->lun_pool);
316 /* FALLTHROUGH */
317 case 1:
318 ctl_frontend_deregister(fe);
319 break;
320 default:
321 break;
322 }
323
324 return (ENOMEM);
312}
313
314void
315cfi_shutdown(void)
316{
317 struct cfi_softc *softc;
318
319 softc = &fetd_internal_softc;

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

326
327 if (ctl_shrink_mem_pool(&softc->lun_pool) != 0)
328 printf("%s: error shrinking LUN pool\n", __func__);
329
330 if (ctl_shrink_mem_pool(&softc->metatask_pool) != 0)
331 printf("%s: error shrinking LUN pool\n", __func__);
332}
333
325}
326
327void
328cfi_shutdown(void)
329{
330 struct cfi_softc *softc;
331
332 softc = &fetd_internal_softc;

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

339
340 if (ctl_shrink_mem_pool(&softc->lun_pool) != 0)
341 printf("%s: error shrinking LUN pool\n", __func__);
342
343 if (ctl_shrink_mem_pool(&softc->metatask_pool) != 0)
344 printf("%s: error shrinking LUN pool\n", __func__);
345}
346
347static int
348cfi_module_event_handler(module_t mod, int what, void *arg)
349{
350
351 switch (what) {
352 case MOD_LOAD:
353 return (cfi_init());
354 case MOD_UNLOAD:
355 return (EBUSY);
356 default:
357 return (EOPNOTSUPP);
358 }
359}
360
334static void
335cfi_online(void *arg)
336{
337 struct cfi_softc *softc;
338 struct cfi_lun *lun;
339
340 softc = (struct cfi_softc *)arg;
341

--- 1447 unchanged lines hidden --- 		361static void
362cfi_online(void *arg)
363{
364 struct cfi_softc *softc;
365 struct cfi_lun *lun;
366
367 softc = (struct cfi_softc *)arg;
368

--- 1447 unchanged lines hidden ---