Index: head/sys/boot/kshim/bsd_kernel.c =================================================================== --- head/sys/boot/kshim/bsd_kernel.c (revision 294546) +++ head/sys/boot/kshim/bsd_kernel.c (revision 294547) @@ -1,1392 +1,1460 @@ /* $FreeBSD$ */ /*- * Copyright (c) 2013 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include struct usb_process usb_process[USB_PROC_MAX]; static device_t usb_pci_root; /*------------------------------------------------------------------------* * Implementation of mutex API *------------------------------------------------------------------------*/ struct mtx Giant; int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev, int type, int *rid, unsigned int flags); int (*ofw_bus_status_ok_cb)(device_t dev); int (*ofw_bus_is_compatible_cb)(device_t dev, char *name); static void mtx_system_init(void *arg) { mtx_init(&Giant, "Giant", NULL, MTX_DEF | MTX_RECURSE); } SYSINIT(mtx_system_init, SI_SUB_LOCK, SI_ORDER_MIDDLE, mtx_system_init, NULL); +int +bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment, + bus_size_t boundary, bus_addr_t lowaddr, + bus_addr_t highaddr, bus_dma_filter_t *filter, + void *filterarg, bus_size_t maxsize, int nsegments, + bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc, + void *lockfuncarg, bus_dma_tag_t *dmat) +{ + struct bus_dma_tag *ret; + + ret = malloc(sizeof(struct bus_dma_tag), XXX, XXX); + if (*dmat == NULL) + return (ENOMEM); + ret->alignment = alignment; + ret->maxsize = maxsize; + + *dmat = ret; + + return (0); +} + +int +bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, + bus_dmamap_t *mapp) +{ + void *addr; + + addr = malloc(dmat->maxsize + dmat->alignment, XXX, XXX); + if (addr == 0) + return (ENOMEM); + + *mapp = addr; + addr = (void*)(((uintptr_t)addr + dmat->alignment - 1) & ~(dmat->alignment - 1)); + + *vaddr = addr; + return (0); +} + +int +bus_dmamap_load(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf, + bus_size_t buflen, bus_dmamap_callback_t *callback, + void *callback_arg, int flags) +{ + bus_dma_segment_t segs[1]; + + segs[0].ds_addr = (uintptr_t)buf; + segs[0].ds_len = buflen; + + (*callback)(callback_arg, segs, 1, 0); + + return (0); +} + +void +bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map) +{ + + free(map, XXX); +} + +int +bus_dma_tag_destroy(bus_dma_tag_t dmat) +{ + + free(dmat, XXX); + return (0); +} + struct resource * bus_alloc_resource_any(device_t dev, int type, int *rid, unsigned int flags) { struct resource *res; int ret = EINVAL; res = malloc(sizeof(*res), XXX, XXX); if (res == NULL) return (NULL); res->__r_i = malloc(sizeof(struct resource_i), XXX, XXX); if (res->__r_i == NULL) { free(res, XXX); return (NULL); } if (bus_alloc_resource_any_cb != NULL) ret = (*bus_alloc_resource_any_cb)(res, dev, type, rid, flags); if (ret == 0) return (res); free(res->__r_i, XXX); free(res, XXX); return (NULL); } int bus_alloc_resources(device_t dev, struct resource_spec *rs, struct resource **res) { int i; for (i = 0; rs[i].type != -1; i++) res[i] = NULL; for (i = 0; rs[i].type != -1; i++) { res[i] = bus_alloc_resource_any(dev, rs[i].type, &rs[i].rid, rs[i].flags); if (res[i] == NULL && !(rs[i].flags & RF_OPTIONAL)) { bus_release_resources(dev, rs, res); return (ENXIO); } } return (0); } void bus_release_resources(device_t dev, const struct resource_spec *rs, struct resource **res) { int i; for (i = 0; rs[i].type != -1; i++) if (res[i] != NULL) { bus_release_resource( dev, rs[i].type, rs[i].rid, res[i]); res[i] = NULL; } } int bus_setup_intr(device_t dev, struct resource *r, int flags, driver_filter_t filter, driver_intr_t handler, void *arg, void **cookiep) { dev->dev_irq_filter = filter; dev->dev_irq_fn = handler; dev->dev_irq_arg = arg; return (0); } int bus_teardown_intr(device_t dev, struct resource *r, void *cookie) { dev->dev_irq_filter = NULL; dev->dev_irq_fn = NULL; dev->dev_irq_arg = NULL; return (0); } int bus_release_resource(device_t dev, int type, int rid, struct resource *r) { /* Resource releasing is not supported */ return (EINVAL); } int bus_generic_attach(device_t dev) { device_t child; TAILQ_FOREACH(child, &dev->dev_children, dev_link) { device_probe_and_attach(child); } return (0); } bus_space_tag_t rman_get_bustag(struct resource *r) { return (r->r_bustag); } bus_space_handle_t rman_get_bushandle(struct resource *r) { return (r->r_bushandle); } u_long rman_get_size(struct resource *r) { return (r->__r_i->r_end - r->__r_i->r_start + 1); } int ofw_bus_status_okay(device_t dev) { if (ofw_bus_status_ok_cb == NULL) return (0); return ((*ofw_bus_status_ok_cb)(dev)); } int ofw_bus_is_compatible(device_t dev, char *name) { if (ofw_bus_is_compatible_cb == NULL) return (0); return ((*ofw_bus_is_compatible_cb)(dev, name)); } void mtx_init(struct mtx *mtx, const char *name, const char *type, int opt) { mtx->owned = 0; mtx->parent = mtx; } void mtx_lock(struct mtx *mtx) { mtx = mtx->parent; mtx->owned++; } void mtx_unlock(struct mtx *mtx) { mtx = mtx->parent; mtx->owned--; } int mtx_owned(struct mtx *mtx) { mtx = mtx->parent; return (mtx->owned != 0); } void mtx_destroy(struct mtx *mtx) { /* NOP */ } /*------------------------------------------------------------------------* * Implementation of shared/exclusive mutex API *------------------------------------------------------------------------*/ void sx_init_flags(struct sx *sx, const char *name, int flags) { sx->owned = 0; } void sx_destroy(struct sx *sx) { /* NOP */ } void sx_xlock(struct sx *sx) { sx->owned++; } void sx_xunlock(struct sx *sx) { sx->owned--; } int sx_xlocked(struct sx *sx) { return (sx->owned != 0); } /*------------------------------------------------------------------------* * Implementaiton of condition variable API *------------------------------------------------------------------------*/ void cv_init(struct cv *cv, const char *desc) { cv->sleeping = 0; } void cv_destroy(struct cv *cv) { /* NOP */ } void cv_wait(struct cv *cv, struct mtx *mtx) { cv_timedwait(cv, mtx, -1); } int cv_timedwait(struct cv *cv, struct mtx *mtx, int timo) { int start = ticks; int delta; int time = 0; if (cv->sleeping) return (EWOULDBLOCK); /* not allowed */ cv->sleeping = 1; while (cv->sleeping) { if (timo >= 0) { delta = ticks - start; if (delta >= timo || delta < 0) break; } mtx_unlock(mtx); usb_idle(); if (++time >= (1000000 / hz)) { time = 0; callout_process(1); } /* Sleep for 1 us */ delay(1); mtx_lock(mtx); } if (cv->sleeping) { cv->sleeping = 0; return (EWOULDBLOCK); /* not allowed */ } return (0); } void cv_signal(struct cv *cv) { cv->sleeping = 0; } void cv_broadcast(struct cv *cv) { cv->sleeping = 0; } /*------------------------------------------------------------------------* * Implementation of callout API *------------------------------------------------------------------------*/ static void callout_proc_msg(struct usb_proc_msg *); volatile int ticks = 0; static LIST_HEAD(, callout) head_callout = LIST_HEAD_INITIALIZER(&head_callout); static struct mtx mtx_callout; static struct usb_proc_msg callout_msg[2]; static void callout_system_init(void *arg) { mtx_init(&mtx_callout, "callout-mtx", NULL, MTX_DEF | MTX_RECURSE); callout_msg[0].pm_callback = &callout_proc_msg; callout_msg[1].pm_callback = &callout_proc_msg; } SYSINIT(callout_system_init, SI_SUB_LOCK, SI_ORDER_MIDDLE, callout_system_init, NULL); static void callout_callback(struct callout *c) { mtx_lock(c->mtx); mtx_lock(&mtx_callout); if (c->entry.le_prev != NULL) { LIST_REMOVE(c, entry); c->entry.le_prev = NULL; } mtx_unlock(&mtx_callout); if (c->func) (c->func) (c->arg); if (!(c->flags & CALLOUT_RETURNUNLOCKED)) mtx_unlock(c->mtx); } void callout_process(int timeout) { ticks += timeout; usb_proc_msignal(usb_process + 2, &callout_msg[0], &callout_msg[1]); } static void callout_proc_msg(struct usb_proc_msg *pmsg) { struct callout *c; int delta; repeat: mtx_lock(&mtx_callout); LIST_FOREACH(c, &head_callout, entry) { delta = c->timeout - ticks; if (delta < 0) { mtx_unlock(&mtx_callout); callout_callback(c); goto repeat; } } mtx_unlock(&mtx_callout); } void callout_init_mtx(struct callout *c, struct mtx *mtx, int flags) { memset(c, 0, sizeof(*c)); if (mtx == NULL) mtx = &Giant; c->mtx = mtx; c->flags = (flags & CALLOUT_RETURNUNLOCKED); } void callout_reset(struct callout *c, int to_ticks, void (*func) (void *), void *arg) { callout_stop(c); c->func = func; c->arg = arg; c->timeout = ticks + to_ticks; mtx_lock(&mtx_callout); LIST_INSERT_HEAD(&head_callout, c, entry); mtx_unlock(&mtx_callout); } void callout_stop(struct callout *c) { mtx_lock(&mtx_callout); if (c->entry.le_prev != NULL) { LIST_REMOVE(c, entry); c->entry.le_prev = NULL; } mtx_unlock(&mtx_callout); c->func = NULL; c->arg = NULL; } void callout_drain(struct callout *c) { if (c->mtx == NULL) return; /* not initialised */ mtx_lock(c->mtx); callout_stop(c); mtx_unlock(c->mtx); } int callout_pending(struct callout *c) { int retval; mtx_lock(&mtx_callout); retval = (c->entry.le_prev != NULL); mtx_unlock(&mtx_callout); return (retval); } /*------------------------------------------------------------------------* * Implementation of device API *------------------------------------------------------------------------*/ static const char unknown_string[] = { "unknown" }; static TAILQ_HEAD(, module_data) module_head = TAILQ_HEAD_INITIALIZER(module_head); static uint8_t devclass_equal(const char *a, const char *b) { char ta, tb; if (a == b) return (1); while (1) { ta = *a; tb = *b; if (ta != tb) return (0); if (ta == 0) break; a++; b++; } return (1); } int bus_generic_resume(device_t dev) { return (0); } int bus_generic_shutdown(device_t dev) { return (0); } int bus_generic_suspend(device_t dev) { return (0); } int bus_generic_print_child(device_t dev, device_t child) { return (0); } void bus_generic_driver_added(device_t dev, driver_t *driver) { return; } device_t device_get_parent(device_t dev) { return (dev ? dev->dev_parent : NULL); } void device_set_interrupt(device_t dev, driver_filter_t *filter, driver_intr_t *fn, void *arg) { dev->dev_irq_filter = filter; dev->dev_irq_fn = fn; dev->dev_irq_arg = arg; } void device_run_interrupts(device_t parent) { device_t child; if (parent == NULL) return; TAILQ_FOREACH(child, &parent->dev_children, dev_link) { int status; if (child->dev_irq_filter != NULL) status = child->dev_irq_filter(child->dev_irq_arg); else status = FILTER_SCHEDULE_THREAD; if (status == FILTER_SCHEDULE_THREAD) { if (child->dev_irq_fn != NULL) (child->dev_irq_fn) (child->dev_irq_arg); } } } void device_set_ivars(device_t dev, void *ivars) { dev->dev_aux = ivars; } void * device_get_ivars(device_t dev) { return (dev ? dev->dev_aux : NULL); } int device_get_unit(device_t dev) { return (dev ? dev->dev_unit : 0); } int bus_generic_detach(device_t dev) { device_t child; int error; if (!dev->dev_attached) return (EBUSY); TAILQ_FOREACH(child, &dev->dev_children, dev_link) { if ((error = device_detach(child)) != 0) return (error); } return (0); } const char * device_get_nameunit(device_t dev) { if (dev && dev->dev_nameunit[0]) return (dev->dev_nameunit); return (unknown_string); } static uint8_t devclass_create(devclass_t *dc_pp) { if (dc_pp == NULL) { return (1); } if (dc_pp[0] == NULL) { dc_pp[0] = malloc(sizeof(**(dc_pp)), M_DEVBUF, M_WAITOK | M_ZERO); if (dc_pp[0] == NULL) { return (1); } } return (0); } static const struct module_data * devclass_find_create(const char *classname) { const struct module_data *mod; TAILQ_FOREACH(mod, &module_head, entry) { if (devclass_equal(mod->mod_name, classname)) { if (devclass_create(mod->devclass_pp)) { continue; } return (mod); } } return (NULL); } static uint8_t devclass_add_device(const struct module_data *mod, device_t dev) { device_t *pp_dev; device_t *end; uint8_t unit; pp_dev = mod->devclass_pp[0]->dev_list; end = pp_dev + DEVCLASS_MAXUNIT; unit = 0; while (pp_dev != end) { if (*pp_dev == NULL) { *pp_dev = dev; dev->dev_unit = unit; dev->dev_module = mod; snprintf(dev->dev_nameunit, sizeof(dev->dev_nameunit), "%s%d", device_get_name(dev), unit); return (0); } pp_dev++; unit++; } DPRINTF("Could not add device to devclass.\n"); return (1); } static void devclass_delete_device(const struct module_data *mod, device_t dev) { if (mod == NULL) { return; } mod->devclass_pp[0]->dev_list[dev->dev_unit] = NULL; dev->dev_module = NULL; } static device_t make_device(device_t parent, const char *name) { device_t dev = NULL; const struct module_data *mod = NULL; if (name) { mod = devclass_find_create(name); if (!mod) { DPRINTF("%s:%d:%s: can't find device " "class %s\n", __FILE__, __LINE__, __FUNCTION__, name); goto done; } } dev = malloc(sizeof(*dev), M_DEVBUF, M_WAITOK | M_ZERO); if (dev == NULL) goto done; dev->dev_parent = parent; TAILQ_INIT(&dev->dev_children); if (name) { dev->dev_fixed_class = 1; if (devclass_add_device(mod, dev)) { goto error; } } done: return (dev); error: if (dev) { free(dev, M_DEVBUF); } return (NULL); } device_t device_add_child(device_t dev, const char *name, int unit) { device_t child; if (unit != -1) { device_printf(dev, "Unit is not -1\n"); } child = make_device(dev, name); if (child == NULL) { device_printf(dev, "Could not add child '%s'\n", name); goto done; } if (dev == NULL) { /* no parent */ goto done; } TAILQ_INSERT_TAIL(&dev->dev_children, child, dev_link); done: return (child); } int device_delete_child(device_t dev, device_t child) { int error = 0; device_t grandchild; /* remove children first */ while ((grandchild = TAILQ_FIRST(&child->dev_children))) { error = device_delete_child(child, grandchild); if (error) { device_printf(dev, "Error deleting child!\n"); goto done; } } error = device_detach(child); if (error) goto done; devclass_delete_device(child->dev_module, child); if (dev != NULL) { /* remove child from parent */ TAILQ_REMOVE(&dev->dev_children, child, dev_link); } free(child, M_DEVBUF); done: return (error); } int device_delete_children(device_t dev) { device_t child; int error = 0; while ((child = TAILQ_FIRST(&dev->dev_children))) { error = device_delete_child(dev, child); if (error) { device_printf(dev, "Error deleting child!\n"); break; } } return (error); } void device_quiet(device_t dev) { dev->dev_quiet = 1; } const char * device_get_desc(device_t dev) { if (dev) return &(dev->dev_desc[0]); return (unknown_string); } static int default_method(void) { /* do nothing */ DPRINTF("Default method called\n"); return (0); } void * device_get_method(device_t dev, const char *what) { const struct device_method *mtod; mtod = dev->dev_module->driver->methods; while (mtod->func != NULL) { if (devclass_equal(mtod->desc, what)) { return (mtod->func); } mtod++; } return ((void *)&default_method); } const char * device_get_name(device_t dev) { if (dev == NULL) return (unknown_string); return (dev->dev_module->driver->name); } static int device_allocate_softc(device_t dev) { const struct module_data *mod; mod = dev->dev_module; if ((dev->dev_softc_alloc == 0) && (mod->driver->size != 0)) { dev->dev_sc = malloc(mod->driver->size, M_DEVBUF, M_WAITOK | M_ZERO); if (dev->dev_sc == NULL) return (ENOMEM); dev->dev_softc_alloc = 1; } return (0); } int device_probe_and_attach(device_t dev) { const struct module_data *mod; const char *bus_name_parent; bus_name_parent = device_get_name(device_get_parent(dev)); if (dev->dev_attached) return (0); /* fail-safe */ if (dev->dev_fixed_class) { mod = dev->dev_module; if (DEVICE_PROBE(dev) <= 0) { if (device_allocate_softc(dev) == 0) { if (DEVICE_ATTACH(dev) == 0) { /* success */ dev->dev_attached = 1; return (0); } } } device_detach(dev); goto error; } /* * Else find a module for our device, if any */ TAILQ_FOREACH(mod, &module_head, entry) { if (devclass_equal(mod->bus_name, bus_name_parent)) { if (devclass_create(mod->devclass_pp)) { continue; } if (devclass_add_device(mod, dev)) { continue; } if (DEVICE_PROBE(dev) <= 0) { if (device_allocate_softc(dev) == 0) { if (DEVICE_ATTACH(dev) == 0) { /* success */ dev->dev_attached = 1; return (0); } } } /* else try next driver */ device_detach(dev); } } error: return (ENODEV); } int device_detach(device_t dev) { const struct module_data *mod = dev->dev_module; int error; if (dev->dev_attached) { error = DEVICE_DETACH(dev); if (error) { return error; } dev->dev_attached = 0; } device_set_softc(dev, NULL); if (dev->dev_fixed_class == 0) devclass_delete_device(mod, dev); return (0); } void device_set_softc(device_t dev, void *softc) { if (dev->dev_softc_alloc) { free(dev->dev_sc, M_DEVBUF); dev->dev_sc = NULL; } dev->dev_sc = softc; dev->dev_softc_alloc = 0; } void * device_get_softc(device_t dev) { if (dev == NULL) return (NULL); return (dev->dev_sc); } int device_is_attached(device_t dev) { return (dev->dev_attached); } void device_set_desc(device_t dev, const char *desc) { snprintf(dev->dev_desc, sizeof(dev->dev_desc), "%s", desc); } void device_set_desc_copy(device_t dev, const char *desc) { device_set_desc(dev, desc); } void * devclass_get_softc(devclass_t dc, int unit) { return (device_get_softc(devclass_get_device(dc, unit))); } int devclass_get_maxunit(devclass_t dc) { int max_unit = 0; if (dc) { max_unit = DEVCLASS_MAXUNIT; while (max_unit--) { if (dc->dev_list[max_unit]) { break; } } max_unit++; } return (max_unit); } device_t devclass_get_device(devclass_t dc, int unit) { return (((unit < 0) || (unit >= DEVCLASS_MAXUNIT) || (dc == NULL)) ? NULL : dc->dev_list[unit]); } devclass_t devclass_find(const char *classname) { const struct module_data *mod; TAILQ_FOREACH(mod, &module_head, entry) { if (devclass_equal(mod->driver->name, classname)) return (mod->devclass_pp[0]); } return (NULL); } void module_register(void *data) { struct module_data *mdata = data; TAILQ_INSERT_TAIL(&module_head, mdata, entry); } /*------------------------------------------------------------------------* * System startup *------------------------------------------------------------------------*/ static void sysinit_run(const void **ppdata) { const struct sysinit *psys; while ((psys = *ppdata) != NULL) { (psys->func) (psys->data); ppdata++; } } /*------------------------------------------------------------------------* * USB process API *------------------------------------------------------------------------*/ static int usb_do_process(struct usb_process *); static int usb_proc_level = -1; static struct mtx usb_proc_mtx; void usb_idle(void) { int old_level = usb_proc_level; int old_giant = Giant.owned; int worked; device_run_interrupts(usb_pci_root); do { worked = 0; Giant.owned = 0; while (++usb_proc_level < USB_PROC_MAX) worked |= usb_do_process(usb_process + usb_proc_level); usb_proc_level = old_level; Giant.owned = old_giant; } while (worked); } void usb_init(void) { sysinit_run(sysinit_data); } void usb_uninit(void) { sysinit_run(sysuninit_data); } static void usb_process_init_sub(struct usb_process *up) { TAILQ_INIT(&up->up_qhead); cv_init(&up->up_cv, "-"); cv_init(&up->up_drain, "usbdrain"); up->up_mtx = &usb_proc_mtx; } static void usb_process_init(void *arg) { uint8_t x; mtx_init(&usb_proc_mtx, "usb-proc-mtx", NULL, MTX_DEF | MTX_RECURSE); for (x = 0; x != USB_PROC_MAX; x++) usb_process_init_sub(&usb_process[x]); } SYSINIT(usb_process_init, SI_SUB_LOCK, SI_ORDER_MIDDLE, usb_process_init, NULL); static int usb_do_process(struct usb_process *up) { struct usb_proc_msg *pm; int worked = 0; mtx_lock(&usb_proc_mtx); repeat: pm = TAILQ_FIRST(&up->up_qhead); if (pm != NULL) { worked = 1; (pm->pm_callback) (pm); if (pm == TAILQ_FIRST(&up->up_qhead)) { /* nothing changed */ TAILQ_REMOVE(&up->up_qhead, pm, pm_qentry); pm->pm_qentry.tqe_prev = NULL; } goto repeat; } mtx_unlock(&usb_proc_mtx); return (worked); } void * usb_proc_msignal(struct usb_process *up, void *_pm0, void *_pm1) { struct usb_proc_msg *pm0 = _pm0; struct usb_proc_msg *pm1 = _pm1; struct usb_proc_msg *pm2; usb_size_t d; uint8_t t; t = 0; if (pm0->pm_qentry.tqe_prev) { t |= 1; } if (pm1->pm_qentry.tqe_prev) { t |= 2; } if (t == 0) { /* * No entries are queued. Queue "pm0" and use the existing * message number. */ pm2 = pm0; } else if (t == 1) { /* Check if we need to increment the message number. */ if (pm0->pm_num == up->up_msg_num) { up->up_msg_num++; } pm2 = pm1; } else if (t == 2) { /* Check if we need to increment the message number. */ if (pm1->pm_num == up->up_msg_num) { up->up_msg_num++; } pm2 = pm0; } else if (t == 3) { /* * Both entries are queued. Re-queue the entry closest to * the end. */ d = (pm1->pm_num - pm0->pm_num); /* Check sign after subtraction */ if (d & 0x80000000) { pm2 = pm0; } else { pm2 = pm1; } TAILQ_REMOVE(&up->up_qhead, pm2, pm_qentry); } else { pm2 = NULL; /* panic - should not happen */ } /* Put message last on queue */ pm2->pm_num = up->up_msg_num; TAILQ_INSERT_TAIL(&up->up_qhead, pm2, pm_qentry); return (pm2); } /*------------------------------------------------------------------------* * usb_proc_is_gone * * Return values: * 0: USB process is running * Else: USB process is tearing down *------------------------------------------------------------------------*/ uint8_t usb_proc_is_gone(struct usb_process *up) { return (0); } /*------------------------------------------------------------------------* * usb_proc_mwait * * This function will return when the USB process message pointed to * by "pm" is no longer on a queue. This function must be called * having "usb_proc_mtx" locked. *------------------------------------------------------------------------*/ void usb_proc_mwait(struct usb_process *up, void *_pm0, void *_pm1) { struct usb_proc_msg *pm0 = _pm0; struct usb_proc_msg *pm1 = _pm1; /* Just remove the messages from the queue. */ if (pm0->pm_qentry.tqe_prev) { TAILQ_REMOVE(&up->up_qhead, pm0, pm_qentry); pm0->pm_qentry.tqe_prev = NULL; } if (pm1->pm_qentry.tqe_prev) { TAILQ_REMOVE(&up->up_qhead, pm1, pm_qentry); pm1->pm_qentry.tqe_prev = NULL; } } /*------------------------------------------------------------------------* * SYSTEM attach *------------------------------------------------------------------------*/ #ifdef USB_PCI_PROBE_LIST static device_method_t pci_methods[] = { DEVMETHOD_END }; static driver_t pci_driver = { .name = "pci", .methods = pci_methods, }; static devclass_t pci_devclass; DRIVER_MODULE(pci, pci, pci_driver, pci_devclass, 0, 0); static const char *usb_pci_devices[] = { USB_PCI_PROBE_LIST }; #define USB_PCI_USB_MAX (sizeof(usb_pci_devices) / sizeof(void *)) static device_t usb_pci_dev[USB_PCI_USB_MAX]; static void usb_pci_mod_load(void *arg) { uint32_t x; usb_pci_root = device_add_child(NULL, "pci", -1); if (usb_pci_root == NULL) return; for (x = 0; x != USB_PCI_USB_MAX; x++) { usb_pci_dev[x] = device_add_child(usb_pci_root, usb_pci_devices[x], -1); if (usb_pci_dev[x] == NULL) continue; if (device_probe_and_attach(usb_pci_dev[x])) { device_printf(usb_pci_dev[x], "WARNING: Probe and attach failed!\n"); } } } SYSINIT(usb_pci_mod_load, SI_SUB_RUN_SCHEDULER, SI_ORDER_MIDDLE, usb_pci_mod_load, 0); static void usb_pci_mod_unload(void *arg) { uint32_t x; for (x = 0; x != USB_PCI_USB_MAX; x++) { if (usb_pci_dev[x]) { device_detach(usb_pci_dev[x]); device_delete_child(usb_pci_root, usb_pci_dev[x]); } } if (usb_pci_root) device_delete_child(NULL, usb_pci_root); } SYSUNINIT(usb_pci_mod_unload, SI_SUB_RUN_SCHEDULER, SI_ORDER_MIDDLE, usb_pci_mod_unload, 0); #endif /*------------------------------------------------------------------------* * MALLOC API *------------------------------------------------------------------------*/ #ifndef HAVE_MALLOC #define USB_POOL_ALIGN 8 static uint8_t usb_pool[USB_POOL_SIZE] __aligned(USB_POOL_ALIGN); static uint32_t usb_pool_rem = USB_POOL_SIZE; static uint32_t usb_pool_entries; struct malloc_hdr { TAILQ_ENTRY(malloc_hdr) entry; uint32_t size; } __aligned(USB_POOL_ALIGN); static TAILQ_HEAD(, malloc_hdr) malloc_head = TAILQ_HEAD_INITIALIZER(malloc_head); void * usb_malloc(unsigned long size) { struct malloc_hdr *hdr; size = (size + USB_POOL_ALIGN - 1) & ~(USB_POOL_ALIGN - 1); size += sizeof(struct malloc_hdr); TAILQ_FOREACH(hdr, &malloc_head, entry) { if (hdr->size == size) break; } if (hdr) { DPRINTF("MALLOC: Entries = %d; Remainder = %d; Size = %d\n", (int)usb_pool_entries, (int)usb_pool_rem, (int)size); TAILQ_REMOVE(&malloc_head, hdr, entry); memset(hdr + 1, 0, hdr->size - sizeof(*hdr)); return (hdr + 1); } if (usb_pool_rem >= size) { hdr = (void *)(usb_pool + USB_POOL_SIZE - usb_pool_rem); hdr->size = size; usb_pool_rem -= size; usb_pool_entries++; DPRINTF("MALLOC: Entries = %d; Remainder = %d; Size = %d\n", (int)usb_pool_entries, (int)usb_pool_rem, (int)size); memset(hdr + 1, 0, hdr->size - sizeof(*hdr)); return (hdr + 1); } return (NULL); } void usb_free(void *arg) { struct malloc_hdr *hdr; if (arg == NULL) return; hdr = arg; hdr--; TAILQ_INSERT_TAIL(&malloc_head, hdr, entry); } #endif char * usb_strdup(const char *str) { char *tmp; int len; len = 1 + strlen(str); tmp = malloc(len,XXX,XXX); if (tmp == NULL) return (NULL); memcpy(tmp, str, len); return (tmp); } Index: head/sys/boot/kshim/bsd_kernel.h =================================================================== --- head/sys/boot/kshim/bsd_kernel.h (revision 294546) +++ head/sys/boot/kshim/bsd_kernel.h (revision 294547) @@ -1,585 +1,645 @@ /* $FreeBSD$ */ /*- * Copyright (c) 2011 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _BSD_KERNEL_H_ #define _BSD_KERNEL_H_ #define _KERNEL #undef __FreeBSD_version #define __FreeBSD_version 1100000 #include #include #include #define isalpha(x) (((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z')) #define isdigit(x) ((x) >= '0' && (x) <= '9') #define panic(...) do { printf("USB PANIC: " __VA_ARGS__); while (1) ; } while (0) #define rebooting 0 #define M_USB 0 #define M_USBDEV 0 #define USB_PROC_MAX 3 #define USB_BUS_GIANT_PROC(bus) (usb_process + 2) #define USB_BUS_NON_GIANT_BULK_PROC(bus) (usb_process + 2) #define USB_BUS_NON_GIANT_ISOC_PROC(bus) (usb_process + 2) #define USB_BUS_EXPLORE_PROC(bus) (usb_process + 0) #define USB_BUS_CONTROL_XFER_PROC(bus) (usb_process + 1) #define SYSCTL_DECL(...) +struct sysctl_req { + void *newptr; +}; +#define SYSCTL_HANDLER_ARGS void *oidp, void *arg1, \ + uint32_t arg2, struct sysctl_req *req #define SYSCTL_NODE(name,...) struct { } name __used #define SYSCTL_INT(...) +#define SYSCTL_UINT(...) +#define SYSCTL_PROC(...) #define TUNABLE_INT(...) #define MALLOC_DECLARE(...) #define MALLOC_DEFINE(...) #define EVENTHANDLER_DECLARE(...) #define EVENTHANDLER_INVOKE(...) #define KASSERT(...) #define SCHEDULER_STOPPED(x) (0) #define PI_SWI(...) (0) #define UNIQ_NAME(x) x #define UNIQ_NAME_STR(x) #x #define DEVCLASS_MAXUNIT 32 #define MOD_LOAD 1 #define MOD_UNLOAD 2 #define DEVMETHOD(what,func) { #what, (void *)&func } #define DEVMETHOD_END {0,0} +#define EARLY_DRIVER_MODULE(a, b, c, d, e, f, g) DRIVER_MODULE(a, b, c, d, e, f) #define DRIVER_MODULE(name, busname, driver, devclass, evh, arg) \ static struct module_data bsd_##name##_##busname##_driver_mod = { \ evh, arg, #busname, #name, #busname "/" #name, \ &driver, &devclass, { 0, 0 } }; \ SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS, \ SI_ORDER_MIDDLE, module_register, \ &bsd_##name##_##busname##_driver_mod) #define SYSINIT(uniq, subs, order, _func, _data) \ const struct sysinit UNIQ_NAME(sysinit_##uniq) = { \ .func = (_func), \ .data = __DECONST(void *, _data) \ }; \ SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs), \ (order), "const struct sysinit", \ UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT") #define SYSUNINIT(uniq, subs, order, _func, _data) \ const struct sysinit UNIQ_NAME(sysuninit_##uniq) = { \ .func = (_func), \ .data = __DECONST(void *, _data) \ }; \ SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs), \ (order), "const struct sysuninit", \ UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT") #define MODULE_DEPEND(...) #define MODULE_VERSION(...) #define NULL ((void *)0) #define BUS_SPACE_BARRIER_READ 0x01 #define BUS_SPACE_BARRIER_WRITE 0x02 #define hz 1000 #undef PAGE_SIZE #define PAGE_SIZE 4096 #undef MIN #define MIN(a,b) (((a) < (b)) ? (a) : (b)) #undef MAX #define MAX(a,b) (((a) > (b)) ? (a) : (b)) #define MTX_DEF 0 #define MTX_SPIN 0 #define MTX_RECURSE 0 #define SX_DUPOK 0 #define SX_NOWITNESS 0 #define WITNESS_WARN(...) #define cold 0 #define BUS_PROBE_GENERIC 0 #define BUS_PROBE_DEFAULT (-20) #define CALLOUT_RETURNUNLOCKED 0x1 #undef ffs #define ffs(x) __builtin_ffs(x) #undef va_list #define va_list __builtin_va_list #undef va_size #define va_size(type) __builtin_va_size(type) #undef va_start #define va_start(ap, last) __builtin_va_start(ap, last) #undef va_end #define va_end(ap) __builtin_va_end(ap) #undef va_arg #define va_arg(ap, type) __builtin_va_arg((ap), type) #define DEVICE_ATTACH(dev, ...) \ (((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__)) #define DEVICE_DETACH(dev, ...) \ (((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__)) #define DEVICE_PROBE(dev, ...) \ (((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__)) #define DEVICE_RESUME(dev, ...) \ (((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__)) #define DEVICE_SHUTDOWN(dev, ...) \ (((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__)) #define DEVICE_SUSPEND(dev, ...) \ (((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__)) #define USB_HANDLE_REQUEST(dev, ...) \ (((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__)) #define USB_TAKE_CONTROLLER(dev, ...) \ (((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__)) #define GPIO_PIN_SET(dev, ...) \ (((gpio_pin_set_t *)(device_get_method(dev, "gpio_pin_set")))(dev,## __VA_ARGS__)) #define GPIO_PIN_SETFLAGS(dev, ...) \ (((gpio_pin_setflags_t *)(device_get_method(dev, "gpio_pin_setflags")))(dev,## __VA_ARGS__)) enum { SI_SUB_DUMMY = 0x0000000, SI_SUB_LOCK = 0x1B00000, SI_SUB_KLD = 0x2000000, SI_SUB_DRIVERS = 0x3100000, SI_SUB_PSEUDO = 0x7000000, SI_SUB_KICK_SCHEDULER = 0xa000000, SI_SUB_RUN_SCHEDULER = 0xfffffff }; enum { SI_ORDER_FIRST = 0x0000000, SI_ORDER_SECOND = 0x0000001, SI_ORDER_THIRD = 0x0000002, SI_ORDER_FOURTH = 0x0000003, SI_ORDER_MIDDLE = 0x1000000, SI_ORDER_ANY = 0xfffffff /* last */ }; struct uio; struct thread; struct malloc_type; struct usb_process; #ifndef HAVE_STANDARD_DEFS #define _UINT8_T_DECLARED typedef unsigned char uint8_t; #define _INT8_T_DECLARED typedef signed char int8_t; #define _UINT16_T_DECLARED typedef unsigned short uint16_t; #define _INT16_T_DECLARED typedef signed short int16_t; #define _UINT32_T_DECLARED typedef unsigned int uint32_t; #define _INT32_T_DECLARED typedef signed int int32_t; #define _UINT64_T_DECLARED typedef unsigned long long uint64_t; #define _INT16_T_DECLARED typedef signed long long int64_t; typedef uint16_t uid_t; typedef uint16_t gid_t; typedef uint16_t mode_t; typedef uint8_t *caddr_t; #define _UINTPTR_T_DECLARED typedef unsigned long uintptr_t; #define _SIZE_T_DECLARED typedef unsigned long size_t; typedef unsigned long u_long; #endif typedef unsigned long bus_addr_t; typedef unsigned long bus_size_t; +typedef struct bus_dma_segment { + bus_addr_t ds_addr; /* DMA address */ + bus_size_t ds_len; /* length of transfer */ +} bus_dma_segment_t; + +struct bus_dma_tag { + uint32_t alignment; + uint32_t maxsize; +}; + typedef void *bus_dmamap_t; -typedef void *bus_dma_tag_t; +typedef struct bus_dma_tag *bus_dma_tag_t; +typedef enum { + BUS_DMA_LOCK = 0x01, + BUS_DMA_UNLOCK = 0x02, +} bus_dma_lock_op_t; + typedef void *bus_space_tag_t; typedef uint8_t *bus_space_handle_t; +typedef int bus_dma_filter_t(void *, bus_addr_t); +typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t); +typedef uint32_t bool; + /* SYSINIT API */ #include struct sysinit { void (*func) (void *arg); void *data; }; /* MUTEX API */ struct mtx { int owned; struct mtx *parent; }; #define mtx_assert(...) do { } while (0) void mtx_init(struct mtx *, const char *, const char *, int); void mtx_lock(struct mtx *); void mtx_unlock(struct mtx *); #define mtx_lock_spin(x) mtx_lock(x) #define mtx_unlock_spin(x) mtx_unlock(x) int mtx_owned(struct mtx *); void mtx_destroy(struct mtx *); extern struct mtx Giant; /* SX API */ struct sx { int owned; }; #define sx_assert(...) do { } while (0) #define sx_init(...) sx_init_flags(__VA_ARGS__, 0) void sx_init_flags(struct sx *, const char *, int); void sx_destroy(struct sx *); void sx_xlock(struct sx *); void sx_xunlock(struct sx *); int sx_xlocked(struct sx *); /* CONDVAR API */ struct cv { int sleeping; }; void cv_init(struct cv *, const char *desc); void cv_destroy(struct cv *); void cv_wait(struct cv *, struct mtx *); int cv_timedwait(struct cv *, struct mtx *, int); void cv_signal(struct cv *); void cv_broadcast(struct cv *); /* CALLOUT API */ typedef void callout_fn_t (void *); extern volatile int ticks; struct callout { LIST_ENTRY(callout) entry; callout_fn_t *func; void *arg; struct mtx *mtx; int flags; int timeout; }; void callout_init_mtx(struct callout *, struct mtx *, int); void callout_reset(struct callout *, int, callout_fn_t *, void *); void callout_stop(struct callout *); void callout_drain(struct callout *); int callout_pending(struct callout *); void callout_process(int timeout); /* DEVICE API */ struct driver; struct devclass; struct device; struct module; struct module_data; typedef struct driver driver_t; typedef struct devclass *devclass_t; typedef struct device *device_t; typedef void (driver_intr_t)(void *arg); typedef int (driver_filter_t)(void *arg); #define FILTER_STRAY 0x01 #define FILTER_HANDLED 0x02 #define FILTER_SCHEDULE_THREAD 0x04 typedef int device_attach_t (device_t dev); typedef int device_detach_t (device_t dev); typedef int device_resume_t (device_t dev); typedef int device_shutdown_t (device_t dev); typedef int device_probe_t (device_t dev); typedef int device_suspend_t (device_t dev); typedef int gpio_pin_set_t (device_t dev, uint32_t, unsigned int); typedef int gpio_pin_setflags_t (device_t dev, uint32_t, uint32_t); typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen); typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen); typedef void bus_driver_added_t (device_t dev, driver_t *driver); struct device_method { const char *desc; void *const func; }; typedef struct device_method device_method_t; struct device { TAILQ_HEAD(device_list, device) dev_children; TAILQ_ENTRY(device) dev_link; struct device *dev_parent; const struct module_data *dev_module; void *dev_sc; void *dev_aux; driver_filter_t *dev_irq_filter; driver_intr_t *dev_irq_fn; void *dev_irq_arg; uint16_t dev_unit; char dev_nameunit[64]; char dev_desc[64]; uint8_t dev_res_alloc:1; uint8_t dev_quiet:1; uint8_t dev_softc_set:1; uint8_t dev_softc_alloc:1; uint8_t dev_attached:1; uint8_t dev_fixed_class:1; uint8_t dev_unit_manual:1; }; struct devclass { device_t dev_list[DEVCLASS_MAXUNIT]; }; struct driver { const char *name; const struct device_method *methods; uint32_t size; }; struct module_data { int (*callback) (struct module *, int, void *arg); void *arg; const char *bus_name; const char *mod_name; const char *long_name; const struct driver *driver; struct devclass **devclass_pp; TAILQ_ENTRY(module_data) entry; }; device_t device_get_parent(device_t dev); void *device_get_method(device_t dev, const char *what); const char *device_get_name(device_t dev); const char *device_get_nameunit(device_t dev); #define device_printf(dev, fmt,...) \ printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__) device_t device_add_child(device_t dev, const char *name, int unit); void device_quiet(device_t dev); void device_set_interrupt(device_t dev, driver_filter_t *, driver_intr_t *, void *); void device_run_interrupts(device_t parent); void device_set_ivars(device_t dev, void *ivars); void *device_get_ivars(device_t dev); const char *device_get_desc(device_t dev); int device_probe_and_attach(device_t dev); int device_detach(device_t dev); void *device_get_softc(device_t dev); void device_set_softc(device_t dev, void *softc); int device_delete_child(device_t dev, device_t child); int device_delete_children(device_t dev); int device_is_attached(device_t dev); void device_set_desc(device_t dev, const char *desc); void device_set_desc_copy(device_t dev, const char *desc); int device_get_unit(device_t dev); void *devclass_get_softc(devclass_t dc, int unit); int devclass_get_maxunit(devclass_t dc); device_t devclass_get_device(devclass_t dc, int unit); devclass_t devclass_find(const char *classname); #define bus_get_dma_tag(...) (NULL) int bus_generic_detach(device_t dev); int bus_generic_resume(device_t dev); int bus_generic_shutdown(device_t dev); int bus_generic_suspend(device_t dev); int bus_generic_print_child(device_t dev, device_t child); void bus_generic_driver_added(device_t dev, driver_t *driver); int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp); /* BUS SPACE API */ void bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data); void bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data); void bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data); uint8_t bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); void bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count); void bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count); void bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count); void bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count); void bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count); void bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count); void bus_space_read_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count); void bus_space_write_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count); void bus_space_read_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count); void bus_space_write_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count); void bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags); void module_register(void *); /* LIB-C */ void *memset(void *, int, size_t len); void *memcpy(void *, const void *, size_t len); int printf(const char *,...) __printflike(1, 2); int snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4); size_t strlen(const char *s); /* MALLOC API */ #undef malloc #define malloc(s,x,f) usb_malloc(s) void *usb_malloc(size_t); #undef free #define free(p,x) usb_free(p) void usb_free(void *); #define strdup(p,x) usb_strdup(p) char *usb_strdup(const char *str); /* ENDIANNESS */ #ifndef HAVE_ENDIAN_DEFS /* Assume little endian */ #define htole64(x) ((uint64_t)(x)) #define le64toh(x) ((uint64_t)(x)) #define htole32(x) ((uint32_t)(x)) #define le32toh(x) ((uint32_t)(x)) #define htole16(x) ((uint16_t)(x)) #define le16toh(x) ((uint16_t)(x)) #define be32toh(x) ((uint32_t)(x)) #define htobe32(x) ((uint32_t)(x)) #else #include #endif /* USB */ typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate); typedef int usb_take_controller_t (device_t dev); void usb_idle(void); void usb_init(void); void usb_uninit(void); /* set some defaults */ #ifndef USB_POOL_SIZE #define USB_POOL_SIZE (1024*1024) /* 1 MByte */ #endif int pause(const char *, int); void DELAY(unsigned int); /* OTHER */ struct selinfo { }; /* SYSTEM STARTUP API */ extern const void *sysinit_data[]; extern const void *sysuninit_data[]; /* Resources */ enum intr_type { INTR_TYPE_TTY = 1, INTR_TYPE_BIO = 2, INTR_TYPE_NET = 4, INTR_TYPE_CAM = 8, INTR_TYPE_MISC = 16, INTR_TYPE_CLK = 32, INTR_TYPE_AV = 64, INTR_EXCL = 256, /* exclusive interrupt */ INTR_MPSAFE = 512, /* this interrupt is SMP safe */ INTR_ENTROPY = 1024, /* this interrupt provides entropy */ INTR_MD1 = 4096, /* flag reserved for MD use */ INTR_MD2 = 8192, /* flag reserved for MD use */ INTR_MD3 = 16384, /* flag reserved for MD use */ INTR_MD4 = 32768 /* flag reserved for MD use */ }; struct resource_i { u_long r_start; /* index of the first entry in this resource */ u_long r_end; /* index of the last entry (inclusive) */ }; struct resource { struct resource_i *__r_i; bus_space_tag_t r_bustag; /* bus_space tag */ bus_space_handle_t r_bushandle; /* bus_space handle */ }; struct resource_spec { int type; int rid; int flags; }; #define SYS_RES_IRQ 1 /* interrupt lines */ #define SYS_RES_DRQ 2 /* isa dma lines */ #define SYS_RES_MEMORY 3 /* i/o memory */ #define SYS_RES_IOPORT 4 /* i/o ports */ #define RF_ALLOCATED 0x0001 /* resource has been reserved */ #define RF_ACTIVE 0x0002 /* resource allocation has been activated */ #define RF_SHAREABLE 0x0004 /* resource permits contemporaneous sharing */ #define RF_SPARE1 0x0008 #define RF_SPARE2 0x0010 #define RF_FIRSTSHARE 0x0020 /* first in sharing list */ #define RF_PREFETCHABLE 0x0040 /* resource is prefetchable */ #define RF_OPTIONAL 0x0080 /* for bus_alloc_resources() */ int bus_alloc_resources(device_t, struct resource_spec *, struct resource **); int bus_release_resource(device_t, int, int, struct resource *); void bus_release_resources(device_t, const struct resource_spec *, struct resource **); struct resource *bus_alloc_resource_any(device_t, int, int *, unsigned int); int bus_generic_attach(device_t); bus_space_tag_t rman_get_bustag(struct resource *); bus_space_handle_t rman_get_bushandle(struct resource *); u_long rman_get_size(struct resource *); int bus_setup_intr(device_t, struct resource *, int, driver_filter_t, driver_intr_t, void *, void **); int bus_teardown_intr(device_t, struct resource *, void *); int ofw_bus_status_okay(device_t); int ofw_bus_is_compatible(device_t, char *); extern int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev, int type, int *rid, unsigned int flags); extern int (*ofw_bus_status_ok_cb)(device_t dev); extern int (*ofw_bus_is_compatible_cb)(device_t dev, char *name); #ifndef strlcpy #define strlcpy(d,s,n) snprintf((d),(n),"%s",(s)) #endif /* Should be defined in user application since it is machine-dependent */ extern int delay(unsigned int); + +/* BUS dma */ +#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF +#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF +#define BUS_SPACE_MAXADDR 0xFFFFFFFF +#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF +#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF +#define BUS_SPACE_MAXSIZE 0xFFFFFFFF + +#define BUS_DMA_WAITOK 0x00 /* safe to sleep (pseudo-flag) */ +#define BUS_DMA_NOWAIT 0x01 /* not safe to sleep */ +#define BUS_DMA_ALLOCNOW 0x02 /* perform resource allocation now */ +#define BUS_DMA_COHERENT 0x04 /* hint: map memory in a coherent way */ +#define BUS_DMA_ZERO 0x08 /* allocate zero'ed memory */ +#define BUS_DMA_BUS1 0x10 /* placeholders for bus functions... */ +#define BUS_DMA_BUS2 0x20 +#define BUS_DMA_BUS3 0x40 +#define BUS_DMA_BUS4 0x80 + +typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int); + +int +bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment, + bus_size_t boundary, bus_addr_t lowaddr, + bus_addr_t highaddr, bus_dma_filter_t *filter, + void *filterarg, bus_size_t maxsize, int nsegments, + bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc, + void *lockfuncarg, bus_dma_tag_t *dmat); + +int bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, + bus_dmamap_t *mapp); +void bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map); +int bus_dma_tag_destroy(bus_dma_tag_t dmat); #endif /* _BSD_KERNEL_H_ */