1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
8  *            Copyright 1994-2009 The FreeBSD Project.
50 #include <sys/conf.h>
106 	sc->pd_dev = dev;  in mfi_syspd_attach()
107 	sc->pd_id = pd_info->ref.v.device_id;  in mfi_syspd_attach()
108 	sc->pd_unit = device_get_unit(dev);  in mfi_syspd_attach()
109 	sc->pd_info = pd_info;  in mfi_syspd_attach()
110 	sc->pd_controller = device_get_softc(device_get_parent(dev));  in mfi_syspd_attach()
111 	sc->pd_flags = 0;  in mfi_syspd_attach()
113 	sectors = pd_info->raw_size;  in mfi_syspd_attach()
115 	mtx_lock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_attach()
116 	TAILQ_INSERT_TAIL(&sc->pd_controller->mfi_syspd_tqh, sc, pd_link);  in mfi_syspd_attach()
117 	TAILQ_FOREACH(syspd_pend, &sc->pd_controller->mfi_syspd_pend_tqh,  in mfi_syspd_attach()
119 		TAILQ_REMOVE(&sc->pd_controller->mfi_syspd_pend_tqh,  in mfi_syspd_attach()
124 	mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_attach()
126 		      sectors / (1024 * 1024 / secsize), sectors, sc->pd_id);  in mfi_syspd_attach()
127 	sc->pd_disk = disk_alloc();  in mfi_syspd_attach()
128 	sc->pd_disk->d_drv1 = sc;  in mfi_syspd_attach()
129 	sc->pd_disk->d_maxsize = min(sc->pd_controller->mfi_max_io * secsize,  in mfi_syspd_attach()
130 		(sc->pd_controller->mfi_max_sge - 1) * PAGE_SIZE);  in mfi_syspd_attach()
131 	sc->pd_disk->d_name = "mfisyspd";  in mfi_syspd_attach()
132 	sc->pd_disk->d_open = mfi_syspd_open;  in mfi_syspd_attach()
133 	sc->pd_disk->d_close = mfi_syspd_close;  in mfi_syspd_attach()
134 	sc->pd_disk->d_strategy = mfi_syspd_strategy;  in mfi_syspd_attach()
135 	sc->pd_disk->d_dump = mfi_syspd_dump;  in mfi_syspd_attach()
136 	sc->pd_disk->d_unit = sc->pd_unit;  in mfi_syspd_attach()
137 	sc->pd_disk->d_sectorsize = secsize;  in mfi_syspd_attach()
138 	sc->pd_disk->d_mediasize = sectors * secsize;  in mfi_syspd_attach()
139 	if (sc->pd_disk->d_mediasize >= (1 * 1024 * 1024)) {  in mfi_syspd_attach()
140 		sc->pd_disk->d_fwheads = 255;  in mfi_syspd_attach()
141 		sc->pd_disk->d_fwsectors = 63;  in mfi_syspd_attach()
143 		sc->pd_disk->d_fwheads = 64;  in mfi_syspd_attach()
144 		sc->pd_disk->d_fwsectors = 32;  in mfi_syspd_attach()
146 	sc->pd_disk->d_flags = DISKFLAG_UNMAPPED_BIO;  in mfi_syspd_attach()
147 	disk_create(sc->pd_disk, DISK_VERSION);  in mfi_syspd_attach()
161 	mtx_lock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_detach()
162 	if (((sc->pd_disk->d_flags & DISKFLAG_OPEN) ||  in mfi_syspd_detach()
163 	    (sc->pd_flags & MFI_DISK_FLAGS_OPEN)) &&  in mfi_syspd_detach()
164 	    (sc->pd_controller->mfi_keep_deleted_volumes ||  in mfi_syspd_detach()
165 	    sc->pd_controller->mfi_detaching)) {  in mfi_syspd_detach()
166 		mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_detach()
170 	mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_detach()
172 	disk_destroy(sc->pd_disk);  in mfi_syspd_detach()
173 	mtx_lock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_detach()
174 	TAILQ_REMOVE(&sc->pd_controller->mfi_syspd_tqh, sc, pd_link);  in mfi_syspd_detach()
175 	mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_detach()
176 	free(sc->pd_info, M_MFIBUF);  in mfi_syspd_detach()
186 	sc = dp->d_drv1;  in mfi_syspd_open()
187 	mtx_lock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_open()
188 	if (sc->pd_flags & MFI_DISK_FLAGS_DISABLED)  in mfi_syspd_open()
191 		sc->pd_flags |= MFI_DISK_FLAGS_OPEN;  in mfi_syspd_open()
194 	mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_open()
203 	sc = dp->d_drv1;  in mfi_syspd_close()
204 	mtx_lock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_close()
205 	sc->pd_flags &= ~MFI_DISK_FLAGS_OPEN;  in mfi_syspd_close()
206 	mtx_unlock(&sc->pd_controller->mfi_io_lock);  in mfi_syspd_close()
215 	device_printf(sc->pd_dev, "syspd disable \n");  in mfi_syspd_disable()
216 	mtx_assert(&sc->pd_controller->mfi_io_lock, MA_OWNED);  in mfi_syspd_disable()
217 	if (sc->pd_flags & MFI_DISK_FLAGS_OPEN) {  in mfi_syspd_disable()
218 		if (sc->pd_controller->mfi_delete_busy_volumes)  in mfi_syspd_disable()
220 		device_printf(sc->pd_dev,  in mfi_syspd_disable()
224 	sc->pd_flags |= MFI_DISK_FLAGS_DISABLED;  in mfi_syspd_disable()
232 	device_printf(sc->pd_dev, "syspd enable \n");  in mfi_syspd_enable()
233 	mtx_assert(&sc->pd_controller->mfi_io_lock, MA_OWNED);  in mfi_syspd_enable()
234 	sc->pd_flags &= ~MFI_DISK_FLAGS_DISABLED;  in mfi_syspd_enable()
243 	sc = bio->bio_disk->d_drv1;  in mfi_syspd_strategy()
246 		bio->bio_error = EINVAL;  in mfi_syspd_strategy()
247 		bio->bio_flags |= BIO_ERROR;  in mfi_syspd_strategy()
248 		bio->bio_resid = bio->bio_bcount;  in mfi_syspd_strategy()
253 	controller = sc->pd_controller;  in mfi_syspd_strategy()
254 	bio->bio_driver1 = (void *)(uintptr_t)sc->pd_id;  in mfi_syspd_strategy()
255 	/* Mark it as system PD IO */  in mfi_syspd_strategy()
256 	bio->bio_driver2 = (void *)MFI_SYS_PD_IO;  in mfi_syspd_strategy()
257 	mtx_lock(&controller->mfi_io_lock);  in mfi_syspd_strategy()
260 	mtx_unlock(&controller->mfi_io_lock);  in mfi_syspd_strategy()
273 	sc = dp->d_drv1;  in mfi_syspd_dump()
274 	parent_sc = sc->pd_controller;  in mfi_syspd_dump()
278 		    sc->pd_id, offset / MFI_SECTOR_LEN, virt, len)) != 0)  in mfi_syspd_dump()
281 		/* mfi_sync_cache(parent_sc, sc->ld_id); */  in mfi_syspd_dump()