int
nfs_nfsiodnew(int set_iodwant)
{
int error, i;
int newiod;
if (nfs_numasync >= nfs_iodmax)
return (-1);
newiod = -1;
for (i = 0; i < nfs_iodmax; i++)
if (nfs_asyncdaemon[i] == 0) {
nfs_asyncdaemon[i]++;
newiod = i;
break;
}
if (newiod == -1)
return (-1);
if (set_iodwant > 0)
nfs_iodwant[i] = NFSIOD_CREATED_FOR_NFS_ASYNCIO;
mtx_unlock(&nfs_iod_mtx);
error = kproc_create(nfssvc_iod, nfs_asyncdaemon + i, NULL, RFHIGHPID,
0, "nfsiod %d", newiod);
mtx_lock(&nfs_iod_mtx);
if (error) {
if (set_iodwant > 0)
nfs_iodwant[i] = NFSIOD_NOT_AVAILABLE;
return (-1);
}
nfs_numasync++;
return (newiod);
}
static int
nfs_nfsiodnew_sync(void)
{
int error, i;
mtx_assert(&nfs_iod_mtx, MA_OWNED);
for (i = 0; i < nfs_iodmax; i++) {
if (nfs_asyncdaemon[i] == 0) {
nfs_asyncdaemon[i] = 1;
break;
}
}
if (i == nfs_iodmax)
return (0);
mtx_unlock(&nfs_iod_mtx);
error = kproc_create(nfssvc_iod, nfs_asyncdaemon + i, NULL,
RFHIGHPID, 0, "nfsiod %d", i);
mtx_lock(&nfs_iod_mtx);
if (error == 0) {
nfs_numasync++;
nfs_iodwant[i] = NFSIOD_AVAILABLE;
} else
nfs_asyncdaemon[i] = 0;
return (error);
}
int
ncl_nfsiodnew(void)
{
int error, i;
int newiod;
if (ncl_numasync >= ncl_iodmax)
return (-1);
newiod = -1;
for (i = 0; i < ncl_iodmax; i++)
if (nfs_asyncdaemon[i] == 0) {
nfs_asyncdaemon[i]++;
newiod = i;
break;
}
if (newiod == -1)
return (-1);
mtx_unlock(&ncl_iod_mutex);
error = kproc_create(nfssvc_iod, nfs_asyncdaemon + i, NULL, RFHIGHPID,
0, "nfsiod %d", newiod);
mtx_lock(&ncl_iod_mutex);
if (error)
return (-1);
ncl_numasync++;
return (newiod);
}
VCHIQ_THREAD_T
vchiq_thread_create(int (*threadfn)(void *data),
void *data,
const char namefmt[], ...)
{
VCHIQ_THREAD_T newp;
va_list ap;
char name[MAXCOMLEN+1];
struct thread_data *slot;
if (thread_data_slot >= MAX_THREAD_DATA_SLOTS) {
printf("kthread_create: out of thread data slots\n");
return (NULL);
}
slot = &thread_slots[thread_data_slot];
slot->data = data;
slot->threadfn = threadfn;
va_start(ap, namefmt);
vsnprintf(name, sizeof(name), namefmt, ap);
va_end(ap);
newp = NULL;
if (kproc_create(kthread_wrapper, (void*)slot, &newp, 0, 0,
"%s", name) != 0) {
/* Just to be sure */
newp = NULL;
}
else
thread_data_slot++;
return newp;
}
static void
isf_disk_insert(struct isf_softc *sc, off_t mediasize)
{
struct disk *disk;
sc->isf_doomed = 0;
sc->isf_erasing = 0;
sc->isf_bstate = malloc(sizeof(*sc->isf_bstate) *
(mediasize / ISF_ERASE_BLOCK), M_ISF, M_ZERO | M_WAITOK);
kproc_create(&isf_task, sc, &sc->isf_proc, 0, 0, "isf");
disk = disk_alloc();
disk->d_drv1 = sc;
disk->d_name = "isf";
disk->d_unit = sc->isf_unit;
disk->d_strategy = isf_disk_strategy;
disk->d_ioctl = isf_disk_ioctl;
disk->d_sectorsize = ISF_SECTORSIZE;
disk->d_mediasize = mediasize;
disk->d_maxsize = ISF_SECTORSIZE;
sc->isf_disk = disk;
if (bootverbose)
isf_dump_info(sc);
disk_create(disk, DISK_VERSION);
device_printf(sc->isf_dev, "%juM flash device\n",
(uintmax_t)disk->d_mediasize / (1024 * 1024));
}
static int
ssif_startup(struct ipmi_softc *sc)
{
return (kproc_create(ssif_loop, sc, &sc->ipmi_kthread, 0, 0,
"%s: ssif", device_get_nameunit(sc->ipmi_dev)));
}
int
kproc_kthread_add(void (*func)(void *), void *arg,
struct proc **procptr, struct thread **tdptr,
int flags, int pages, const char *procname, const char *fmt, ...)
{
int error;
va_list ap;
char buf[100];
struct thread *td;
if (*procptr == 0) {
error = kproc_create(func, arg,
procptr, flags, pages, "%s", procname);
if (error)
return (error);
td = FIRST_THREAD_IN_PROC(*procptr);
if (tdptr)
*tdptr = td;
va_start(ap, fmt);
vsnprintf(td->td_name, sizeof(td->td_name), fmt, ap);
va_end(ap);
#ifdef KTR
sched_clear_tdname(td);
#endif
return (0);
}
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
error = kthread_add(func, arg, *procptr,
tdptr, flags, pages, "%s", buf);
return (error);
}
static int
acpi_tz_cooling_thread_start(struct acpi_tz_softc *sc)
{
int error;
ACPI_LOCK(thermal);
if (sc->tz_cooling_proc_running) {
ACPI_UNLOCK(thermal);
return (0);
}
sc->tz_cooling_proc_running = TRUE;
ACPI_UNLOCK(thermal);
error = 0;
if (sc->tz_cooling_proc == NULL) {
error = kproc_create(acpi_tz_cooling_thread, sc,
&sc->tz_cooling_proc, RFHIGHPID, 0, "acpi_cooling%d",
device_get_unit(sc->tz_dev));
if (error != 0) {
device_printf(sc->tz_dev, "could not create thread - %d", error);
ACPI_LOCK(thermal);
sc->tz_cooling_proc_running = FALSE;
ACPI_UNLOCK(thermal);
}
}
return (error);
}
static void
bcm2835_audio_create_worker(struct bcm2835_audio_info *sc)
{
struct proc *newp;
if (kproc_create(bcm2835_audio_worker, (void*)sc, &newp, 0, 0,
"bcm2835_audio_worker") != 0) {
printf("failed to create bcm2835_audio_worker\n");
}
}
/*
* Start a kernel process. This is called after a fork() call in
* mi_startup() in the file kern/init_main.c.
*
* This function is used to start "internal" daemons and intended
* to be called from SYSINIT().
*/
void
kproc_start(const void *udata)
{
const struct kproc_desc *kp = udata;
int error;
error = kproc_create((void (*)(void *))kp->func, NULL,
kp->global_procpp, 0, 0, "%s", kp->arg0);
if (error)
panic("kproc_start: %s: error %d", kp->arg0, error);
}
static int
vtballoon_attach(device_t dev)
{
struct vtballoon_softc *sc;
int error;
sc = device_get_softc(dev);
sc->vtballoon_dev = dev;
VTBALLOON_LOCK_INIT(sc, device_get_nameunit(dev));
TAILQ_INIT(&sc->vtballoon_pages);
vtballoon_add_sysctl(sc);
virtio_set_feature_desc(dev, vtballoon_feature_desc);
vtballoon_negotiate_features(sc);
sc->vtballoon_page_frames = malloc(VTBALLOON_PAGES_PER_REQUEST *
sizeof(uint32_t), M_DEVBUF, M_NOWAIT | M_ZERO);
if (sc->vtballoon_page_frames == NULL) {
error = ENOMEM;
device_printf(dev,
"cannot allocate page frame request array\n");
goto fail;
}
error = vtballoon_alloc_virtqueues(sc);
if (error) {
device_printf(dev, "cannot allocate virtqueues\n");
goto fail;
}
error = virtio_setup_intr(dev, INTR_TYPE_MISC);
if (error) {
device_printf(dev, "cannot setup virtqueue interrupts\n");
goto fail;
}
error = kproc_create(vtballoon_thread, sc, &sc->vtballoon_kproc,
0, 0, "virtio_balloon");
if (error) {
device_printf(dev, "cannot create balloon kproc\n");
goto fail;
}
virtqueue_enable_intr(sc->vtballoon_inflate_vq);
virtqueue_enable_intr(sc->vtballoon_deflate_vq);
fail:
if (error)
vtballoon_detach(dev);
return (error);
}
static int
opalflash_attach(device_t dev)
{
struct opalflash_softc *sc;
phandle_t node;
cell_t flash_blocksize, opal_id;
uint32_t regs[2];
sc = device_get_softc(dev);
sc->sc_dev = dev;
node = ofw_bus_get_node(dev);
OF_getencprop(node, "ibm,opal-id", &opal_id, sizeof(opal_id));
sc->sc_opal_id = opal_id;
if (OF_getencprop(node, "ibm,flash-block-size",
&flash_blocksize, sizeof(flash_blocksize)) < 0) {
device_printf(dev, "Cannot determine flash block size.\n");
return (ENXIO);
}
if (!OF_hasprop(node, "no-erase"))
sc->sc_erase = true;
OPALFLASH_LOCK_INIT(sc);
if (OF_getencprop(node, "reg", regs, sizeof(regs)) < 0) {
device_printf(dev, "Unable to get flash size.\n");
return (ENXIO);
}
sc->sc_disk = disk_alloc();
sc->sc_disk->d_name = "opalflash";
sc->sc_disk->d_open = opalflash_open;
sc->sc_disk->d_close = opalflash_close;
sc->sc_disk->d_strategy = opalflash_strategy;
sc->sc_disk->d_ioctl = opalflash_ioctl;
sc->sc_disk->d_getattr = opalflash_getattr;
sc->sc_disk->d_drv1 = sc;
sc->sc_disk->d_maxsize = DFLTPHYS;
sc->sc_disk->d_mediasize = regs[1];
sc->sc_disk->d_unit = device_get_unit(sc->sc_dev);
sc->sc_disk->d_sectorsize = FLASH_BLOCKSIZE;
sc->sc_disk->d_stripesize = flash_blocksize;
sc->sc_disk->d_dump = NULL;
disk_create(sc->sc_disk, DISK_VERSION);
bioq_init(&sc->sc_bio_queue);
kproc_create(&opalflash_task, sc, &sc->sc_p, 0, 0, "task: OPAL Flash");
return (0);
}
int
pmclog_proc_create(struct thread *td, void **handlep)
{
struct pmclog_proc_init_args *ia;
int error;
ia = malloc(sizeof(*ia), M_TEMP, M_WAITOK | M_ZERO);
error = kproc_create(pmclog_loop, ia, &ia->kthr,
RFHIGHPID, 0, "hwpmc: proc(%d)", td->td_proc->p_pid);
if (error == 0)
*handlep = ia;
return (error);
}
static int
ow_temp_attach(device_t dev)
{
struct ow_temp_softc *sc;
sc = device_get_softc(dev);
sc->dev = dev;
sc->type = ow_get_family(dev);
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "temperature", CTLFLAG_RD | CTLTYPE_INT,
&sc->temp, 0, sysctl_handle_int,
"IK3", "Current Temperature");
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "badcrc", CTLFLAG_RD,
&sc->bad_crc, 0,
"Number of Bad CRC on reading scratchpad");
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "badread", CTLFLAG_RD,
&sc->bad_reads, 0,
"Number of errors on reading scratchpad");
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "reading_interval", CTLFLAG_RW,
&sc->reading_interval, 0,
"ticks between reads");
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "parasite", CTLFLAG_RW,
&sc->parasite, 0,
"In Parasite mode");
/*
* Just do this for unit 0 to avoid locking
* the ow bus until that code can be put
* into place.
*/
sc->temp = -1;
sc->reading_interval = 10 * hz;
mtx_init(&sc->temp_lock, "lock for doing temperature", NULL, MTX_DEF);
/* Start the thread */
if (kproc_create(ow_temp_event_thread, sc, &sc->event_thread, 0, 0,
"%s event thread", device_get_nameunit(dev))) {
device_printf(dev, "unable to create event thread.\n");
panic("cbb_create_event_thread");
}
return 0;
}
static int
htif_blk_attach(device_t dev)
{
struct htif_blk_softc *sc;
char prefix[] = " size=";
char *str;
long size;
sc = device_get_softc(dev);
sc->dev = dev;
mtx_init(&sc->htif_io_mtx, device_get_nameunit(dev), "htif_blk", MTX_DEF);
HTIF_BLK_LOCK_INIT(sc);
str = strstr(htif_get_id(dev), prefix);
size = strtol((str + 6), NULL, 10);
if (size == 0) {
return (ENXIO);
}
sc->index = htif_get_index(dev);
if (sc->index < 0)
return (EINVAL);
htif_setup_intr(sc->index, htif_blk_intr, sc);
sc->disk = disk_alloc();
sc->disk->d_drv1 = sc;
sc->disk->d_maxsize = 4096; /* Max transfer */
sc->disk->d_name = "htif_blk";
sc->disk->d_open = htif_blk_open;
sc->disk->d_close = htif_blk_close;
sc->disk->d_strategy = htif_blk_strategy;
sc->disk->d_unit = 0;
sc->disk->d_sectorsize = SECTOR_SIZE;
sc->disk->d_mediasize = size;
disk_create(sc->disk, DISK_VERSION);
bioq_init(&sc->bio_queue);
sc->running = 1;
kproc_create(&htif_blk_task, sc, &sc->p, 0, 0, "%s: transfer",
device_get_nameunit(dev));
return (0);
}
static int
mambodisk_attach(device_t dev)
{
struct mambodisk_softc *sc;
struct disk *d;
intmax_t mb;
char unit;
sc = device_get_softc(dev);
sc->dev = dev;
MBODISK_LOCK_INIT(sc);
d = sc->disk = disk_alloc();
d->d_open = mambodisk_open;
d->d_close = mambodisk_close;
d->d_strategy = mambodisk_strategy;
d->d_name = "mambodisk";
d->d_drv1 = sc;
d->d_maxsize = MAXPHYS; /* Maybe ask bridge? */
d->d_sectorsize = 512;
sc->maxblocks = mambocall(MAMBO_DISK_INFO,MAMBO_INFO_BLKSZ,d->d_unit)
/ 512;
d->d_unit = device_get_unit(dev);
d->d_mediasize = mambocall(MAMBO_DISK_INFO,MAMBO_INFO_DEVSZ,d->d_unit)
* 1024ULL; /* Mambo gives size in KB */
mb = d->d_mediasize >> 20; /* 1MiB == 1 << 20 */
unit = 'M';
if (mb >= 10240) { /* 1GiB = 1024 MiB */
unit = 'G';
mb /= 1024;
}
device_printf(dev, "%ju%cB, %d byte sectors\n", mb, unit,
d->d_sectorsize);
disk_create(d, DISK_VERSION);
bioq_init(&sc->bio_queue);
sc->running = 1;
kproc_create(&mambodisk_task, sc, &sc->p, 0, 0, "task: mambo hd");
return (0);
}
DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
{
int rc;
struct proc *pProc;
#if __FreeBSD_version >= 800002
rc = kproc_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#else
rc = kthread_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#endif
if (!rc)
{
*pNativeThread = (RTNATIVETHREAD)FIRST_THREAD_IN_PROC(pProc);
rc = VINF_SUCCESS;
}
else
rc = RTErrConvertFromErrno(rc);
return rc;
}
static void
pagezero_start(void __unused *arg)
{
int error;
struct proc *p;
struct thread *td;
error = kproc_create(vm_pagezero, NULL, &p, RFSTOPPED, 0, "pagezero");
if (error)
panic("pagezero_start: error %d\n", error);
td = FIRST_THREAD_IN_PROC(p);
thread_lock(td);
/* We're an idle task, don't count us in the load. */
td->td_flags |= TDF_NOLOAD;
sched_class(td, PRI_IDLE);
sched_prio(td, PRI_MAX_IDLE);
sched_add(td, SRQ_BORING);
thread_unlock(td);
}
static void
soaio_kproc_create(void *context, int pending)
{
struct proc *p;
int error, id;
mtx_lock(&soaio_jobs_lock);
for (;;) {
if (soaio_num_procs < soaio_target_procs) {
/* Must create */
} else if (soaio_num_procs >= soaio_max_procs) {
/*
* Hit the limit on kernel processes, don't
* create another one.
*/
break;
} else if (soaio_queued <= soaio_idle + soaio_starting) {
/*
* No more AIO jobs waiting for a process to be
* created, so stop.
*/
break;
}
soaio_starting++;
mtx_unlock(&soaio_jobs_lock);
id = alloc_unr(soaio_kproc_unr);
error = kproc_create(soaio_kproc_loop, (void *)(intptr_t)id,
&p, 0, 0, "soaiod%d", id);
if (error != 0) {
free_unr(soaio_kproc_unr, id);
mtx_lock(&soaio_jobs_lock);
soaio_starting--;
break;
}
mtx_lock(&soaio_jobs_lock);
soaio_num_procs++;
}
mtx_unlock(&soaio_jobs_lock);
}
static struct g_geom *
g_uzip_taste(struct g_class *mp, struct g_provider *pp, int flags)
{
int error;
uint32_t i, total_offsets, offsets_read, blk;
void *buf;
struct cloop_header *header;
struct g_consumer *cp;
struct g_geom *gp;
struct g_provider *pp2;
struct g_uzip_softc *sc;
enum {
GEOM_UZIP = 1,
GEOM_ULZMA
} type;
g_trace(G_T_TOPOLOGY, "%s(%s,%s)", __func__, mp->name, pp->name);
g_topology_assert();
/* Skip providers that are already open for writing. */
if (pp->acw > 0)
return (NULL);
buf = NULL;
/*
* Create geom instance.
*/
gp = g_new_geomf(mp, "%s.uzip", pp->name);
cp = g_new_consumer(gp);
error = g_attach(cp, pp);
if (error == 0)
error = g_access(cp, 1, 0, 0);
if (error) {
goto e1;
}
g_topology_unlock();
/*
* Read cloop header, look for CLOOP magic, perform
* other validity checks.
*/
DPRINTF(GUZ_DBG_INFO, ("%s: media sectorsize %u, mediasize %jd\n",
gp->name, pp->sectorsize, (intmax_t)pp->mediasize));
buf = g_read_data(cp, 0, pp->sectorsize, NULL);
if (buf == NULL)
goto e2;
header = (struct cloop_header *) buf;
if (strncmp(header->magic, CLOOP_MAGIC_START,
sizeof(CLOOP_MAGIC_START) - 1) != 0) {
DPRINTF(GUZ_DBG_ERR, ("%s: no CLOOP magic\n", gp->name));
goto e3;
}
switch (header->magic[CLOOP_OFS_COMPR]) {
case CLOOP_COMP_LZMA:
case CLOOP_COMP_LZMA_DDP:
type = GEOM_ULZMA;
if (header->magic[CLOOP_OFS_VERSN] < CLOOP_MINVER_LZMA) {
DPRINTF(GUZ_DBG_ERR, ("%s: image version too old\n",
gp->name));
goto e3;
}
DPRINTF(GUZ_DBG_INFO, ("%s: GEOM_UZIP_LZMA image found\n",
gp->name));
break;
case CLOOP_COMP_LIBZ:
case CLOOP_COMP_LIBZ_DDP:
type = GEOM_UZIP;
if (header->magic[CLOOP_OFS_VERSN] < CLOOP_MINVER_ZLIB) {
DPRINTF(GUZ_DBG_ERR, ("%s: image version too old\n",
gp->name));
goto e3;
}
DPRINTF(GUZ_DBG_INFO, ("%s: GEOM_UZIP_ZLIB image found\n",
gp->name));
break;
default:
DPRINTF(GUZ_DBG_ERR, ("%s: unsupported image type\n",
gp->name));
goto e3;
}
/*
* Initialize softc and read offsets.
*/
sc = malloc(sizeof(*sc), M_GEOM_UZIP, M_WAITOK | M_ZERO);
gp->softc = sc;
sc->blksz = ntohl(header->blksz);
sc->nblocks = ntohl(header->nblocks);
if (sc->blksz % 512 != 0) {
printf("%s: block size (%u) should be multiple of 512.\n",
gp->name, sc->blksz);
goto e4;
}
if (sc->blksz > MAX_BLKSZ) {
printf("%s: block size (%u) should not be larger than %d.\n",
gp->name, sc->blksz, MAX_BLKSZ);
}
total_offsets = sc->nblocks + 1;
if (sizeof(struct cloop_header) +
total_offsets * sizeof(uint64_t) > pp->mediasize) {
printf("%s: media too small for %u blocks\n",
gp->name, sc->nblocks);
goto e4;
}
sc->toc = malloc(total_offsets * sizeof(struct g_uzip_blk),
M_GEOM_UZIP, M_WAITOK | M_ZERO);
offsets_read = MIN(total_offsets,
(pp->sectorsize - sizeof(*header)) / sizeof(uint64_t));
for (i = 0; i < offsets_read; i++) {
sc->toc[i].offset = be64toh(((uint64_t *) (header + 1))[i]);
sc->toc[i].blen = BLEN_UNDEF;
}
DPRINTF(GUZ_DBG_INFO, ("%s: %u offsets in the first sector\n",
gp->name, offsets_read));
for (blk = 1; offsets_read < total_offsets; blk++) {
uint32_t nread;
free(buf, M_GEOM);
buf = g_read_data(
cp, blk * pp->sectorsize, pp->sectorsize, NULL);
if (buf == NULL)
goto e5;
nread = MIN(total_offsets - offsets_read,
pp->sectorsize / sizeof(uint64_t));
DPRINTF(GUZ_DBG_TOC, ("%s: %u offsets read from sector %d\n",
gp->name, nread, blk));
for (i = 0; i < nread; i++) {
sc->toc[offsets_read + i].offset =
be64toh(((uint64_t *) buf)[i]);
sc->toc[offsets_read + i].blen = BLEN_UNDEF;
}
offsets_read += nread;
}
free(buf, M_GEOM);
buf = NULL;
offsets_read -= 1;
DPRINTF(GUZ_DBG_INFO, ("%s: done reading %u block offsets from %u "
"sectors\n", gp->name, offsets_read, blk));
if (sc->nblocks != offsets_read) {
DPRINTF(GUZ_DBG_ERR, ("%s: read %s offsets than expected "
"blocks\n", gp->name,
sc->nblocks < offsets_read ? "more" : "less"));
goto e5;
}
/*
* "Fake" last+1 block, to make it easier for the TOC parser to
* iterate without making the last element a special case.
*/
sc->toc[sc->nblocks].offset = pp->mediasize;
/* Massage TOC (table of contents), make sure it is sound */
if (g_uzip_parse_toc(sc, pp, gp) != 0) {
DPRINTF(GUZ_DBG_ERR, ("%s: TOC error\n", gp->name));
goto e5;
}
mtx_init(&sc->last_mtx, "geom_uzip cache", NULL, MTX_DEF);
mtx_init(&sc->queue_mtx, "geom_uzip wrkthread", NULL, MTX_DEF);
bioq_init(&sc->bio_queue);
sc->last_blk = -1;
sc->last_buf = malloc(sc->blksz, M_GEOM_UZIP, M_WAITOK);
sc->req_total = 0;
sc->req_cached = 0;
if (type == GEOM_UZIP) {
sc->dcp = g_uzip_zlib_ctor(sc->blksz);
} else {
sc->dcp = g_uzip_lzma_ctor(sc->blksz);
}
if (sc->dcp == NULL) {
goto e6;
}
sc->uzip_do = &g_uzip_do;
error = kproc_create(g_uzip_wrkthr, sc, &sc->procp, 0, 0, "%s",
gp->name);
if (error != 0) {
goto e7;
}
g_topology_lock();
pp2 = g_new_providerf(gp, "%s", gp->name);
pp2->sectorsize = 512;
pp2->mediasize = (off_t)sc->nblocks * sc->blksz;
pp2->stripesize = pp->stripesize;
pp2->stripeoffset = pp->stripeoffset;
g_error_provider(pp2, 0);
g_access(cp, -1, 0, 0);
DPRINTF(GUZ_DBG_INFO, ("%s: taste ok (%d, %jd), (%d, %d), %x\n",
gp->name, pp2->sectorsize, (intmax_t)pp2->mediasize,
pp2->stripeoffset, pp2->stripesize, pp2->flags));
DPRINTF(GUZ_DBG_INFO, ("%s: %u x %u blocks\n", gp->name, sc->nblocks,
sc->blksz));
return (gp);
e7:
sc->dcp->free(sc->dcp);
e6:
free(sc->last_buf, M_GEOM);
mtx_destroy(&sc->queue_mtx);
mtx_destroy(&sc->last_mtx);
e5:
free(sc->toc, M_GEOM);
e4:
free(gp->softc, M_GEOM_UZIP);
e3:
if (buf != NULL) {
free(buf, M_GEOM);
}
e2:
g_topology_lock();
g_access(cp, -1, 0, 0);
e1:
g_detach(cp);
g_destroy_consumer(cp);
g_destroy_geom(gp);
return (NULL);
}
static int
cbb_pci_attach(device_t brdev)
{
static int curr_bus_number = 2; /* XXX EVILE BAD (see below) */
struct cbb_softc *sc = (struct cbb_softc *)device_get_softc(brdev);
struct sysctl_ctx_list *sctx;
struct sysctl_oid *soid;
int rid;
device_t parent;
uint32_t pribus;
parent = device_get_parent(brdev);
mtx_init(&sc->mtx, device_get_nameunit(brdev), "cbb", MTX_DEF);
sc->chipset = cbb_chipset(pci_get_devid(brdev), NULL);
sc->dev = brdev;
sc->cbdev = NULL;
sc->exca[0].pccarddev = NULL;
sc->domain = pci_get_domain(brdev);
sc->secbus = pci_read_config(brdev, PCIR_SECBUS_2, 1);
sc->subbus = pci_read_config(brdev, PCIR_SUBBUS_2, 1);
sc->pribus = pcib_get_bus(parent);
SLIST_INIT(&sc->rl);
cbb_powerstate_d0(brdev);
rid = CBBR_SOCKBASE;
sc->base_res = bus_alloc_resource_any(brdev, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->base_res) {
device_printf(brdev, "Could not map register memory\n");
mtx_destroy(&sc->mtx);
return (ENOMEM);
} else {
DEVPRINTF((brdev, "Found memory at %08lx\n",
rman_get_start(sc->base_res)));
}
sc->bst = rman_get_bustag(sc->base_res);
sc->bsh = rman_get_bushandle(sc->base_res);
exca_init(&sc->exca[0], brdev, sc->bst, sc->bsh, CBB_EXCA_OFFSET);
sc->exca[0].flags |= EXCA_HAS_MEMREG_WIN;
sc->exca[0].chipset = EXCA_CARDBUS;
sc->chipinit = cbb_chipinit;
sc->chipinit(sc);
/*Sysctls*/
sctx = device_get_sysctl_ctx(brdev);
soid = device_get_sysctl_tree(brdev);
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "domain",
CTLFLAG_RD, &sc->domain, 0, "Domain number");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "pribus",
CTLFLAG_RD, &sc->pribus, 0, "Primary bus number");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "secbus",
CTLFLAG_RD, &sc->secbus, 0, "Secondary bus number");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "subbus",
CTLFLAG_RD, &sc->subbus, 0, "Subordinate bus number");
#if 0
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "memory",
CTLFLAG_RD, &sc->subbus, 0, "Memory window open");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "premem",
CTLFLAG_RD, &sc->subbus, 0, "Prefetch memroy window open");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "io1",
CTLFLAG_RD, &sc->subbus, 0, "io range 1 open");
SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "io2",
CTLFLAG_RD, &sc->subbus, 0, "io range 2 open");
#endif
/*
* This is a gross hack. We should be scanning the entire pci
* tree, assigning bus numbers in a way such that we (1) can
* reserve 1 extra bus just in case and (2) all sub busses
* are in an appropriate range.
*/
DEVPRINTF((brdev, "Secondary bus is %d\n", sc->secbus));
pribus = pci_read_config(brdev, PCIR_PRIBUS_2, 1);
if (sc->secbus == 0 || sc->pribus != pribus) {
if (curr_bus_number <= sc->pribus)
curr_bus_number = sc->pribus + 1;
if (pribus != sc->pribus) {
DEVPRINTF((brdev, "Setting primary bus to %d\n",
sc->pribus));
pci_write_config(brdev, PCIR_PRIBUS_2, sc->pribus, 1);
}
sc->secbus = curr_bus_number++;
sc->subbus = curr_bus_number++;
DEVPRINTF((brdev, "Secondary bus set to %d subbus %d\n",
sc->secbus, sc->subbus));
pci_write_config(brdev, PCIR_SECBUS_2, sc->secbus, 1);
pci_write_config(brdev, PCIR_SUBBUS_2, sc->subbus, 1);
}
/* attach children */
sc->cbdev = device_add_child(brdev, "cardbus", -1);
if (sc->cbdev == NULL)
DEVPRINTF((brdev, "WARNING: cannot add cardbus bus.\n"));
else if (device_probe_and_attach(sc->cbdev) != 0)
DEVPRINTF((brdev, "WARNING: cannot attach cardbus bus!\n"));
sc->exca[0].pccarddev = device_add_child(brdev, "pccard", -1);
if (sc->exca[0].pccarddev == NULL)
DEVPRINTF((brdev, "WARNING: cannot add pccard bus.\n"));
else if (device_probe_and_attach(sc->exca[0].pccarddev) != 0)
DEVPRINTF((brdev, "WARNING: cannot attach pccard bus.\n"));
/* Map and establish the interrupt. */
rid = 0;
sc->irq_res = bus_alloc_resource_any(brdev, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->irq_res == NULL) {
device_printf(brdev, "Unable to map IRQ...\n");
goto err;
}
if (bus_setup_intr(brdev, sc->irq_res, INTR_TYPE_AV | INTR_MPSAFE,
cbb_pci_filt, NULL, sc, &sc->intrhand)) {
device_printf(brdev, "couldn't establish interrupt\n");
goto err;
}
/* reset 16-bit pcmcia bus */
exca_clrb(&sc->exca[0], EXCA_INTR, EXCA_INTR_RESET);
/* turn off power */
cbb_power(brdev, CARD_OFF);
/* CSC Interrupt: Card detect interrupt on */
cbb_setb(sc, CBB_SOCKET_MASK, CBB_SOCKET_MASK_CD);
/* reset interrupt */
cbb_set(sc, CBB_SOCKET_EVENT, cbb_get(sc, CBB_SOCKET_EVENT));
if (bootverbose)
cbb_print_config(brdev);
/* Start the thread */
if (kproc_create(cbb_event_thread, sc, &sc->event_thread, 0, 0,
"%s event thread", device_get_nameunit(brdev))) {
device_printf(brdev, "unable to create event thread.\n");
panic("cbb_create_event_thread");
}
sc->sc_root_token = root_mount_hold(device_get_nameunit(sc->dev));
return (0);
err:
if (sc->irq_res)
bus_release_resource(brdev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->base_res) {
bus_release_resource(brdev, SYS_RES_MEMORY, CBBR_SOCKBASE,
sc->base_res);
}
mtx_destroy(&sc->mtx);
return (ENOMEM);
}
int
pmclog_configure_log(struct pmc_mdep *md, struct pmc_owner *po, int logfd)
{
int error;
struct proc *p;
/*
* As long as it is possible to get a LOR between pmc_sx lock and
* proctree/allproc sx locks used for adding a new process, assure
* the former is not held here.
*/
sx_assert(&pmc_sx, SA_UNLOCKED);
PMCDBG(LOG,CFG,1, "config po=%p logfd=%d", po, logfd);
p = po->po_owner;
/* return EBUSY if a log file was already present */
if (po->po_flags & PMC_PO_OWNS_LOGFILE)
return (EBUSY);
KASSERT(po->po_kthread == NULL,
("[pmclog,%d] po=%p kthread (%p) already present", __LINE__, po,
po->po_kthread));
KASSERT(po->po_file == NULL,
("[pmclog,%d] po=%p file (%p) already present", __LINE__, po,
po->po_file));
/* get a reference to the file state */
error = fget_write(curthread, logfd, CAP_WRITE, &po->po_file);
if (error)
goto error;
/* mark process as owning a log file */
po->po_flags |= PMC_PO_OWNS_LOGFILE;
error = kproc_create(pmclog_loop, po, &po->po_kthread,
RFHIGHPID, 0, "hwpmc: proc(%d)", p->p_pid);
if (error)
goto error;
/* mark process as using HWPMCs */
PROC_LOCK(p);
p->p_flag |= P_HWPMC;
PROC_UNLOCK(p);
/* create a log initialization entry */
PMCLOG_RESERVE_WITH_ERROR(po, INITIALIZE,
sizeof(struct pmclog_initialize));
PMCLOG_EMIT32(PMC_VERSION);
PMCLOG_EMIT32(md->pmd_cputype);
PMCLOG_DESPATCH(po);
return (0);
error:
/* shutdown the thread */
if (po->po_kthread)
pmclog_stop_kthread(po);
KASSERT(po->po_kthread == NULL, ("[pmclog,%d] po=%p kthread not "
"stopped", __LINE__, po));
if (po->po_file)
(void) fdrop(po->po_file, curthread);
po->po_file = NULL; /* clear file and error state */
po->po_error = 0;
return (error);
}
static void
g_bde_create_geom(struct gctl_req *req, struct g_class *mp, struct g_provider *pp)
{
struct g_geom *gp;
struct g_consumer *cp;
struct g_bde_key *kp;
int error, i;
u_int sectorsize;
off_t mediasize;
struct g_bde_softc *sc;
void *pass;
void *key;
g_trace(G_T_TOPOLOGY, "g_bde_create_geom(%s, %s)", mp->name, pp->name);
g_topology_assert();
gp = NULL;
gp = g_new_geomf(mp, "%s.bde", pp->name);
cp = g_new_consumer(gp);
g_attach(cp, pp);
error = g_access(cp, 1, 1, 1);
if (error) {
g_detach(cp);
g_destroy_consumer(cp);
g_destroy_geom(gp);
gctl_error(req, "could not access consumer");
return;
}
pass = NULL;
key = NULL;
do {
pass = gctl_get_param(req, "pass", &i);
if (pass == NULL || i != SHA512_DIGEST_LENGTH) {
gctl_error(req, "No usable key presented");
break;
}
key = gctl_get_param(req, "key", &i);
if (key != NULL && i != 16) {
gctl_error(req, "Invalid key presented");
break;
}
sectorsize = cp->provider->sectorsize;
mediasize = cp->provider->mediasize;
sc = g_malloc(sizeof(struct g_bde_softc), M_WAITOK | M_ZERO);
gp->softc = sc;
sc->geom = gp;
sc->consumer = cp;
error = g_bde_decrypt_lock(sc, pass, key,
mediasize, sectorsize, NULL);
bzero(sc->sha2, sizeof sc->sha2);
if (error)
break;
kp = &sc->key;
/* Initialize helper-fields */
kp->keys_per_sector = kp->sectorsize / G_BDE_SKEYLEN;
kp->zone_cont = kp->keys_per_sector * kp->sectorsize;
kp->zone_width = kp->zone_cont + kp->sectorsize;
kp->media_width = kp->sectorN - kp->sector0 -
G_BDE_MAXKEYS * kp->sectorsize;
/* Our external parameters */
sc->zone_cont = kp->zone_cont;
sc->mediasize = g_bde_max_sector(kp);
sc->sectorsize = kp->sectorsize;
TAILQ_INIT(&sc->freelist);
TAILQ_INIT(&sc->worklist);
mtx_init(&sc->worklist_mutex, "g_bde_worklist", NULL, MTX_DEF);
/* XXX: error check */
kproc_create(g_bde_worker, gp, &sc->thread, 0, 0,
"g_bde %s", gp->name);
pp = g_new_providerf(gp, gp->name);
#if 0
/*
* XXX: Disable this for now. Appearantly UFS no longer
* XXX: issues BIO_DELETE requests correctly, with the obvious
* XXX: outcome that userdata is trashed.
*/
pp->flags |= G_PF_CANDELETE;
#endif
pp->stripesize = kp->zone_cont;
pp->stripeoffset = 0;
pp->mediasize = sc->mediasize;
pp->sectorsize = sc->sectorsize;
g_error_provider(pp, 0);
break;
} while (0);
if (pass != NULL)
bzero(pass, SHA512_DIGEST_LENGTH);
if (key != NULL)
bzero(key, 16);
if (error == 0)
return;
g_access(cp, -1, -1, -1);
g_detach(cp);
g_destroy_consumer(cp);
if (gp->softc != NULL)
g_free(gp->softc);
g_destroy_geom(gp);
return;
}
static void
g_bde_create_geom(struct gctl_req *req, struct g_class *mp, struct g_provider *pp)
{
struct g_geom *gp;
struct g_consumer *cp;
struct g_bde_key *kp;
int error, i;
u_int sectorsize;
off_t mediasize;
struct g_bde_softc *sc;
void *pass;
void *key;
g_trace(G_T_TOPOLOGY, "g_bde_create_geom(%s, %s)", mp->name, pp->name);
g_topology_assert();
gp = NULL;
gp = g_new_geomf(mp, "%s.bde", pp->name);
cp = g_new_consumer(gp);
g_attach(cp, pp);
error = g_access(cp, 1, 1, 1);
if (error) {
g_detach(cp);
g_destroy_consumer(cp);
g_destroy_geom(gp);
gctl_error(req, "could not access consumer");
return;
}
pass = NULL;
key = NULL;
do {
pass = gctl_get_param(req, "pass", &i);
if (pass == NULL || i != SHA512_DIGEST_LENGTH) {
gctl_error(req, "No usable key presented");
break;
}
key = gctl_get_param(req, "key", &i);
if (key != NULL && i != 16) {
gctl_error(req, "Invalid key presented");
break;
}
sectorsize = cp->provider->sectorsize;
mediasize = cp->provider->mediasize;
sc = g_malloc(sizeof(struct g_bde_softc), M_WAITOK | M_ZERO);
gp->softc = sc;
sc->geom = gp;
sc->consumer = cp;
error = g_bde_decrypt_lock(sc, pass, key,
mediasize, sectorsize, NULL);
bzero(sc->sha2, sizeof sc->sha2);
if (error)
break;
kp = &sc->key;
/* Initialize helper-fields */
kp->keys_per_sector = kp->sectorsize / G_BDE_SKEYLEN;
kp->zone_cont = kp->keys_per_sector * kp->sectorsize;
kp->zone_width = kp->zone_cont + kp->sectorsize;
kp->media_width = kp->sectorN - kp->sector0 -
G_BDE_MAXKEYS * kp->sectorsize;
/* Our external parameters */
sc->zone_cont = kp->zone_cont;
sc->mediasize = g_bde_max_sector(kp);
sc->sectorsize = kp->sectorsize;
TAILQ_INIT(&sc->freelist);
TAILQ_INIT(&sc->worklist);
mtx_init(&sc->worklist_mutex, "g_bde_worklist", NULL, MTX_DEF);
/* XXX: error check */
kproc_create(g_bde_worker, gp, &sc->thread, 0, 0,
"g_bde %s", gp->name);
pp = g_new_providerf(gp, "%s", gp->name);
pp->stripesize = kp->zone_cont;
pp->stripeoffset = 0;
pp->mediasize = sc->mediasize;
pp->sectorsize = sc->sectorsize;
g_error_provider(pp, 0);
break;
} while (0);
if (pass != NULL)
bzero(pass, SHA512_DIGEST_LENGTH);
if (key != NULL)
bzero(key, 16);
if (error == 0)
return;
g_access(cp, -1, -1, -1);
g_detach(cp);
g_destroy_consumer(cp);
if (gp->softc != NULL)
g_free(gp->softc);
g_destroy_geom(gp);
switch (error) {
case ENOENT:
gctl_error(req, "Lock was destroyed");
break;
case ESRCH:
gctl_error(req, "Lock was nuked");
break;
case EINVAL:
gctl_error(req, "Could not open lock");
break;
case ENOTDIR:
gctl_error(req, "Lock not found");
break;
default:
gctl_error(req, "Could not open lock (%d)", error);
break;
}
return;
}
static int
acpi_tz_attach(device_t dev)
{
struct acpi_tz_softc *sc;
struct acpi_softc *acpi_sc;
int error;
char oidname[8];
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = device_get_softc(dev);
sc->tz_dev = dev;
sc->tz_handle = acpi_get_handle(dev);
sc->tz_requested = TZ_ACTIVE_NONE;
sc->tz_active = TZ_ACTIVE_UNKNOWN;
sc->tz_thflags = TZ_THFLAG_NONE;
sc->tz_cooling_proc = NULL;
sc->tz_cooling_proc_running = FALSE;
sc->tz_cooling_active = FALSE;
sc->tz_cooling_updated = FALSE;
sc->tz_cooling_enabled = FALSE;
/*
* Parse the current state of the thermal zone and build control
* structures. We don't need to worry about interference with the
* control thread since we haven't fully attached this device yet.
*/
if ((error = acpi_tz_establish(sc)) != 0)
return (error);
/*
* Register for any Notify events sent to this zone.
*/
AcpiInstallNotifyHandler(sc->tz_handle, ACPI_DEVICE_NOTIFY,
acpi_tz_notify_handler, sc);
/*
* Create our sysctl nodes.
*
* XXX we need a mechanism for adding nodes under ACPI.
*/
if (device_get_unit(dev) == 0) {
acpi_sc = acpi_device_get_parent_softc(dev);
sysctl_ctx_init(&acpi_tz_sysctl_ctx);
acpi_tz_sysctl_tree = SYSCTL_ADD_NODE(&acpi_tz_sysctl_ctx,
SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
OID_AUTO, "thermal", CTLFLAG_RD, 0, "");
SYSCTL_ADD_INT(&acpi_tz_sysctl_ctx,
SYSCTL_CHILDREN(acpi_tz_sysctl_tree),
OID_AUTO, "min_runtime", CTLFLAG_RW,
&acpi_tz_min_runtime, 0,
"minimum cooling run time in sec");
SYSCTL_ADD_INT(&acpi_tz_sysctl_ctx,
SYSCTL_CHILDREN(acpi_tz_sysctl_tree),
OID_AUTO, "polling_rate", CTLFLAG_RW,
&acpi_tz_polling_rate, 0, "monitor polling interval in seconds");
SYSCTL_ADD_INT(&acpi_tz_sysctl_ctx,
SYSCTL_CHILDREN(acpi_tz_sysctl_tree), OID_AUTO,
"user_override", CTLFLAG_RW, &acpi_tz_override, 0,
"allow override of thermal settings");
}
sysctl_ctx_init(&sc->tz_sysctl_ctx);
sprintf(oidname, "tz%d", device_get_unit(dev));
sc->tz_sysctl_tree = SYSCTL_ADD_NODE(&sc->tz_sysctl_ctx,
SYSCTL_CHILDREN(acpi_tz_sysctl_tree),
OID_AUTO, oidname, CTLFLAG_RD, 0, "");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD,
&sc->tz_temperature, 0, sysctl_handle_int,
"IK", "current thermal zone temperature");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "active", CTLTYPE_INT | CTLFLAG_RW,
sc, 0, acpi_tz_active_sysctl, "I", "cooling is active");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "passive_cooling", CTLTYPE_INT | CTLFLAG_RW,
sc, 0, acpi_tz_cooling_sysctl, "I",
"enable passive (speed reduction) cooling");
SYSCTL_ADD_INT(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "thermal_flags", CTLFLAG_RD,
&sc->tz_thflags, 0, "thermal zone flags");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_PSV", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.psv),
acpi_tz_temp_sysctl, "IK", "passive cooling temp setpoint");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_HOT", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.hot),
acpi_tz_temp_sysctl, "IK",
"too hot temp setpoint (suspend now)");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_CRT", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.crt),
acpi_tz_temp_sysctl, "IK",
"critical temp setpoint (shutdown now)");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_ACx", CTLTYPE_INT | CTLFLAG_RD,
&sc->tz_zone.ac, sizeof(sc->tz_zone.ac),
sysctl_handle_opaque, "IK", "");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TC1", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tc1),
acpi_tz_passive_sysctl, "I",
"thermal constant 1 for passive cooling");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TC2", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tc2),
acpi_tz_passive_sysctl, "I",
"thermal constant 2 for passive cooling");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TSP", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tsp),
acpi_tz_passive_sysctl, "I",
"thermal sampling period for passive cooling");
/*
* Create thread to service all of the thermal zones. Register
* our power profile event handler.
*/
sc->tz_event = EVENTHANDLER_REGISTER(power_profile_change,
acpi_tz_power_profile, sc, 0);
if (acpi_tz_proc == NULL) {
error = kproc_create(acpi_tz_thread, NULL, &acpi_tz_proc,
RFHIGHPID, 0, "acpi_thermal");
if (error != 0) {
device_printf(sc->tz_dev, "could not create thread - %d", error);
goto out;
}
}
/*
* Create a thread to handle passive cooling for 1st zone which
* has _PSV, _TSP, _TC1 and _TC2. Users can enable it for other
* zones manually for now.
*
* XXX We enable only one zone to avoid multiple zones conflict
* with each other since cpufreq currently sets all CPUs to the
* given frequency whereas it's possible for different thermal
* zones to specify independent settings for multiple CPUs.
*/
if (acpi_tz_cooling_unit < 0 && acpi_tz_cooling_is_available(sc))
sc->tz_cooling_enabled = TRUE;
if (sc->tz_cooling_enabled) {
error = acpi_tz_cooling_thread_start(sc);
if (error != 0) {
sc->tz_cooling_enabled = FALSE;
goto out;
}
acpi_tz_cooling_unit = device_get_unit(dev);
}
/*
* Flag the event handler for a manual invocation by our timeout.
* We defer it like this so that the rest of the subsystem has time
* to come up. Don't bother evaluating/printing the temperature at
* this point; on many systems it'll be bogus until the EC is running.
*/
sc->tz_flags |= TZ_FLAG_GETPROFILE;
out:
if (error != 0) {
EVENTHANDLER_DEREGISTER(power_profile_change, sc->tz_event);
AcpiRemoveNotifyHandler(sc->tz_handle, ACPI_DEVICE_NOTIFY,
acpi_tz_notify_handler);
sysctl_ctx_free(&sc->tz_sysctl_ctx);
}
return_VALUE (error);
}
/* ARGSUSED */
void
random_yarrow_init(void)
{
int error, i;
struct harvest *np;
struct sysctl_oid *random_o, *random_sys_o, *random_sys_harvest_o;
enum esource e;
random_o = SYSCTL_ADD_NODE(&random_clist,
SYSCTL_STATIC_CHILDREN(_kern),
OID_AUTO, "random", CTLFLAG_RW, 0,
"Software Random Number Generator");
random_yarrow_init_alg(&random_clist, random_o);
random_sys_o = SYSCTL_ADD_NODE(&random_clist,
SYSCTL_CHILDREN(random_o),
OID_AUTO, "sys", CTLFLAG_RW, 0,
"Entropy Device Parameters");
SYSCTL_ADD_PROC(&random_clist,
SYSCTL_CHILDREN(random_sys_o),
OID_AUTO, "seeded", CTLTYPE_INT | CTLFLAG_RW,
&random_systat.seeded, 1, random_check_boolean, "I",
"Seeded State");
random_sys_harvest_o = SYSCTL_ADD_NODE(&random_clist,
SYSCTL_CHILDREN(random_sys_o),
OID_AUTO, "harvest", CTLFLAG_RW, 0,
"Entropy Sources");
SYSCTL_ADD_PROC(&random_clist,
SYSCTL_CHILDREN(random_sys_harvest_o),
OID_AUTO, "ethernet", CTLTYPE_INT | CTLFLAG_RW,
&harvest.ethernet, 1, random_check_boolean, "I",
"Harvest NIC entropy");
SYSCTL_ADD_PROC(&random_clist,
SYSCTL_CHILDREN(random_sys_harvest_o),
OID_AUTO, "point_to_point", CTLTYPE_INT | CTLFLAG_RW,
&harvest.point_to_point, 1, random_check_boolean, "I",
"Harvest serial net entropy");
SYSCTL_ADD_PROC(&random_clist,
SYSCTL_CHILDREN(random_sys_harvest_o),
OID_AUTO, "interrupt", CTLTYPE_INT | CTLFLAG_RW,
&harvest.interrupt, 1, random_check_boolean, "I",
"Harvest IRQ entropy");
SYSCTL_ADD_PROC(&random_clist,
SYSCTL_CHILDREN(random_sys_harvest_o),
OID_AUTO, "swi", CTLTYPE_INT | CTLFLAG_RW,
&harvest.swi, 0, random_check_boolean, "I",
"Harvest SWI entropy");
/* Initialise the harvest fifos */
STAILQ_INIT(&emptyfifo.head);
emptyfifo.count = 0;
for (i = 0; i < EMPTYBUFFERS; i++) {
np = malloc(sizeof(struct harvest), M_ENTROPY, M_WAITOK);
STAILQ_INSERT_TAIL(&emptyfifo.head, np, next);
}
for (e = RANDOM_START; e < ENTROPYSOURCE; e++) {
STAILQ_INIT(&harvestfifo[e].head);
harvestfifo[e].count = 0;
}
mtx_init(&harvest_mtx, "entropy harvest mutex", NULL, MTX_SPIN);
/* Start the hash/reseed thread */
error = kproc_create(random_kthread, NULL,
&random_kthread_proc, RFHIGHPID, 0, "yarrow");
if (error != 0)
panic("Cannot create entropy maintenance thread.");
/* Register the randomness harvesting routine */
random_yarrow_init_harvester(random_harvest_internal,
random_yarrow_read);
}
