int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
/* transition the BO to a domain -
* just validate the BO into a certain domain */
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_gem_set_domain *args = data;
struct drm_gem_object *gobj;
struct radeon_bo *robj;
int r;
/* for now if someone requests domain CPU -
* just make sure the buffer is finished with */
rw_enter_read(&rdev->exclusive_lock);
/* just do a BO wait for now */
gobj = drm_gem_object_lookup(dev, filp, args->handle);
if (gobj == NULL) {
rw_exit_read(&rdev->exclusive_lock);
return -ENOENT;
}
robj = gem_to_radeon_bo(gobj);
r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
drm_gem_object_unreference_unlocked(gobj);
rw_exit_read(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(robj->rdev, r);
return r;
}
int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_gem_create *args = data;
struct drm_gem_object *gobj;
uint32_t handle;
int r;
rw_enter_read(&rdev->exclusive_lock);
/* create a gem object to contain this object in */
args->size = roundup(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, args->alignment,
args->initial_domain, false,
false, &gobj);
if (r) {
rw_exit_read(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(rdev, r);
return r;
}
r = drm_gem_handle_create(filp, gobj, &handle);
/* drop reference from allocate - handle holds it now */
drm_gem_object_unreference_unlocked(gobj);
if (r) {
rw_exit_read(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(rdev, r);
return r;
}
args->handle = handle;
rw_exit_read(&rdev->exclusive_lock);
return 0;
}
int
safte_bio_blink(struct safte_softc *sc, struct bioc_blink *blink)
{
struct safte_writebuf_cmd cmd;
struct safte_slotop *op;
int slot;
int flags;
int wantblink;
switch (blink->bb_status) {
case BIOC_SBBLINK:
wantblink = 1;
break;
case BIOC_SBUNBLINK:
wantblink = 0;
break;
default:
return (EINVAL);
}
rw_enter_read(&sc->sc_lock);
for (slot = 0; slot < sc->sc_nslots; slot++) {
if (sc->sc_slots[slot] == blink->bb_target)
break;
}
rw_exit_read(&sc->sc_lock);
if (slot >= sc->sc_nslots)
return (ENODEV);
op = malloc(sizeof(struct safte_slotop), M_TEMP, 0);
memset(op, 0, sizeof(struct safte_slotop));
op->opcode = SAFTE_WRITE_SLOTOP;
op->slot = slot;
op->flags |= wantblink ? SAFTE_SLOTOP_IDENTIFY : 0;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = WRITE_BUFFER;
cmd.flags |= SAFTE_WR_MODE;
cmd.length = htobe16(sizeof(struct safte_slotop));
flags = SCSI_DATA_OUT;
#ifndef SCSIDEBUG
flags |= SCSI_SILENT;
#endif
if (cold)
flags |= SCSI_AUTOCONF;
if (scsi_scsi_cmd(sc->sc_link, (struct scsi_generic *)&cmd,
sizeof(cmd), (u_char *)op, sizeof(struct safte_slotop),
2, 30000, NULL, flags) != 0) {
free(op, M_TEMP);
return (EIO);
}
free(op, M_TEMP);
return (0);
}
static int
pty_isfree(int minor)
{
int isfree;
rw_enter_read(&pt_softc_lock);
isfree = pty_isfree_locked(minor);
rw_exit_read(&pt_softc_lock);
return(isfree);
}
dev_t
pty_getfree(void)
{
int i;
rw_enter_read(&pt_softc_lock);
for (i = 0; i < npty; i++) {
if (pty_isfree_locked(i))
break;
}
rw_exit_read(&pt_softc_lock);
return (makedev(pts_major, i));
}
int
radeon_ttm_fault(struct uvm_faultinfo *ufi, vaddr_t vaddr, vm_page_t *pps,
int npages, int centeridx, vm_fault_t fault_type,
vm_prot_t access_type, int flags)
{
struct ttm_buffer_object *bo;
struct radeon_device *rdev;
int r;
bo = (struct ttm_buffer_object *)ufi->entry->object.uvm_obj;
rdev = radeon_get_rdev(bo->bdev);
rw_enter_read(&rdev->pm.mclk_lock);
r = ttm_vm_ops->pgo_fault(ufi, vaddr, pps, npages, centeridx,
fault_type, access_type, flags);
rw_exit_read(&rdev->pm.mclk_lock);
return r;
}
int
safte_bio_blink(struct safte_softc *sc, struct bioc_blink *blink)
{
struct safte_writebuf_cmd *cmd;
struct safte_slotop *op;
struct scsi_xfer *xs;
int error, slot, flags = 0, wantblink;
switch (blink->bb_status) {
case BIOC_SBBLINK:
wantblink = 1;
break;
case BIOC_SBUNBLINK:
wantblink = 0;
break;
default:
return (EINVAL);
}
rw_enter_read(&sc->sc_lock);
for (slot = 0; slot < sc->sc_nslots; slot++) {
if (sc->sc_slots[slot] == blink->bb_target)
break;
}
rw_exit_read(&sc->sc_lock);
if (slot >= sc->sc_nslots)
return (ENODEV);
op = dma_alloc(sizeof(*op), PR_WAITOK | PR_ZERO);
op->opcode = SAFTE_WRITE_SLOTOP;
op->slot = slot;
op->flags |= wantblink ? SAFTE_SLOTOP_IDENTIFY : 0;
if (cold)
flags |= SCSI_AUTOCONF;
xs = scsi_xs_get(sc->sc_link, flags | SCSI_DATA_OUT | SCSI_SILENT);
if (xs == NULL) {
dma_free(op, sizeof(*op));
return (ENOMEM);
}
xs->cmdlen = sizeof(*cmd);
xs->data = (void *)op;
xs->datalen = sizeof(*op);
xs->retries = 2;
xs->timeout = 30000;
cmd = (struct safte_writebuf_cmd *)xs->cmd;
cmd->opcode = WRITE_BUFFER;
cmd->flags |= SAFTE_WR_MODE;
cmd->length = htobe16(sizeof(struct safte_slotop));
error = scsi_xs_sync(xs);
scsi_xs_put(xs);
if (error != 0) {
error = EIO;
}
dma_free(op, sizeof(*op));
return (error);
}