void
malo_hal_detach(struct malo_hal *mh)
{
bus_dmamem_free(mh->mh_dmat, mh->mh_cmdbuf, mh->mh_dmamap);
bus_dmamap_destroy(mh->mh_dmat, mh->mh_dmamap);
bus_dma_tag_destroy(mh->mh_dmat);
mtx_destroy(&mh->mh_mtx);
free(mh, M_DEVBUF);
}
i40e_status
i40e_free_dma(struct i40e_hw *hw, struct i40e_dma_mem *dma)
{
bus_dmamap_sync(dma->tag, dma->map,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(dma->tag, dma->map);
bus_dmamem_free(dma->tag, dma->va, dma->map);
bus_dma_tag_destroy(dma->tag);
return (0);
}
/*
* mrsas_alloc_mfi_cmds: Allocates the command packets
* input: Adapter instance soft state
*
* Each IOCTL or passthru command that is issued to the FW are wrapped in a
* local data structure called mrsas_mfi_cmd. The frame embedded in this
* mrsas_mfi is issued to FW. The array is used only to look up the
* mrsas_mfi_cmd given the context. The free commands are maintained in a
* linked list.
*/
int
mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
{
int i, j;
u_int32_t max_cmd;
struct mrsas_mfi_cmd *cmd;
max_cmd = MRSAS_MAX_MFI_CMDS;
/*
* sc->mfi_cmd_list is an array of struct mrsas_mfi_cmd pointers.
* Allocate the dynamic array first and then allocate individual
* commands.
*/
sc->mfi_cmd_list = malloc(sizeof(struct mrsas_mfi_cmd *) * max_cmd, M_MRSAS, M_NOWAIT);
if (!sc->mfi_cmd_list) {
device_printf(sc->mrsas_dev, "Cannot alloc memory for mfi_cmd cmd_list.\n");
return (ENOMEM);
}
memset(sc->mfi_cmd_list, 0, sizeof(struct mrsas_mfi_cmd *) * max_cmd);
for (i = 0; i < max_cmd; i++) {
sc->mfi_cmd_list[i] = malloc(sizeof(struct mrsas_mfi_cmd),
M_MRSAS, M_NOWAIT);
if (!sc->mfi_cmd_list[i]) {
for (j = 0; j < i; j++)
free(sc->mfi_cmd_list[j], M_MRSAS);
free(sc->mfi_cmd_list, M_MRSAS);
sc->mfi_cmd_list = NULL;
return (ENOMEM);
}
}
for (i = 0; i < max_cmd; i++) {
cmd = sc->mfi_cmd_list[i];
memset(cmd, 0, sizeof(struct mrsas_mfi_cmd));
cmd->index = i;
cmd->ccb_ptr = NULL;
cmd->sc = sc;
TAILQ_INSERT_TAIL(&(sc->mrsas_mfi_cmd_list_head), cmd, next);
}
/* create a frame pool and assign one frame to each command */
if (mrsas_create_frame_pool(sc)) {
device_printf(sc->mrsas_dev, "Cannot allocate DMA frame pool.\n");
/* Free the frames */
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) {
cmd = sc->mfi_cmd_list[i];
mrsas_free_frame(sc, cmd);
}
if (sc->mficmd_frame_tag != NULL)
bus_dma_tag_destroy(sc->mficmd_frame_tag);
return (ENOMEM);
}
return (0);
}
static void
ahbfree(struct ahb_softc *ahb)
{
switch (ahb->init_level) {
default:
case 4:
bus_dmamap_unload(ahb->ecb_dmat, ahb->ecb_dmamap);
case 3:
bus_dmamem_free(ahb->ecb_dmat, ahb->ecb_array,
ahb->ecb_dmamap);
bus_dmamap_destroy(ahb->ecb_dmat, ahb->ecb_dmamap);
case 2:
bus_dma_tag_destroy(ahb->ecb_dmat);
case 1:
bus_dma_tag_destroy(ahb->buffer_dmat);
case 0:
break;
}
free(ahb, M_DEVBUF);
}
/**
* \brief Free a DMA-accessible consistent memory block.
*/
void
drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah)
{
if (dmah == NULL)
return;
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
}
void
sfxge_dma_free(efsys_mem_t *esmp)
{
bus_dmamap_unload(esmp->esm_tag, esmp->esm_map);
bus_dmamem_free(esmp->esm_tag, esmp->esm_base, esmp->esm_map);
bus_dma_tag_destroy(esmp->esm_tag);
esmp->esm_addr = 0;
esmp->esm_base = NULL;
}
static int ips_send_drive_info_cmd(ips_command_t *command)
{
int error = 0;
ips_softc_t *sc = command->sc;
ips_cmd_status_t *status = command->arg;
ips_drive_info_t *driveinfo;
if (bus_dma_tag_create( /* parent */ sc->adapter_dmatag,
/* alignemnt */ 1,
/* boundary */ 0,
/* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ IPS_DRIVE_INFO_LEN,
/* numsegs */ 1,
/* maxsegsize*/ IPS_DRIVE_INFO_LEN,
/* flags */ 0,
&command->data_dmatag) != 0) {
printf("ips: can't alloc dma tag for drive status\n");
error = ENOMEM;
goto exit;
}
if(bus_dmamem_alloc(command->data_dmatag, &command->data_buffer,
BUS_DMA_NOWAIT, &command->data_dmamap)){
error = ENOMEM;
goto exit;
}
command->callback = ips_wakeup_callback;
asleep(status, 0, "ips", 10*hz);
bus_dmamap_load(command->data_dmatag, command->data_dmamap,
command->data_buffer,IPS_DRIVE_INFO_LEN,
ips_drive_info_callback, command, BUS_DMA_NOWAIT);
if (await(-1, -1))
error = ETIMEDOUT;
else {
bus_dmamap_sync(command->data_dmatag, command->data_dmamap,
BUS_DMASYNC_POSTREAD);
driveinfo = command->data_buffer;
memcpy(sc->drives, driveinfo->drives, sizeof(ips_drive_t) * 8);
sc->drivecount = driveinfo->drivecount;
device_printf(sc->dev, "logical drives: %d\n",sc->drivecount);
}
bus_dmamap_unload(command->data_dmatag, command->data_dmamap);
exit:
/* I suppose I should clean up my memory allocations */
bus_dmamem_free(command->data_dmatag, command->data_buffer,
command->data_dmamap);
bus_dma_tag_destroy(command->data_dmatag);
ips_insert_free_cmd(sc, command);
return error;
}
void
ata_dmafini(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ch->dma.work_bus) {
bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
ch->dma.work_bus = 0;
ch->dma.work = NULL;
}
if (ch->dma.work_tag) {
bus_dma_tag_destroy(ch->dma.work_tag);
ch->dma.work_tag = NULL;
}
if (ch->dma.dmatag) {
bus_dma_tag_destroy(ch->dma.dmatag);
ch->dma.dmatag = NULL;
}
}
static int ips_copperhead_queue_init(ips_softc_t *sc)
{
int error;
bus_dma_tag_t dmatag;
bus_dmamap_t dmamap;
if (bus_dma_tag_create( /* parent */ sc->adapter_dmatag,
/* alignemnt */ 1,
/* boundary */ 0,
/* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ sizeof(ips_copper_queue_t),
/* numsegs */ 1,
/* maxsegsize*/ sizeof(ips_copper_queue_t),
/* flags */ 0,
/* lockfunc */ NULL,
/* lockarg */ NULL,
&dmatag) != 0) {
device_printf(sc->dev, "can't alloc dma tag for statue queue\n");
error = ENOMEM;
return error;
}
if(bus_dmamem_alloc(dmatag, (void *)&(sc->copper_queue),
BUS_DMA_NOWAIT, &dmamap)){
error = ENOMEM;
goto exit;
}
bzero(sc->copper_queue, sizeof(ips_copper_queue_t));
sc->copper_queue->dmatag = dmatag;
sc->copper_queue->dmamap = dmamap;
sc->copper_queue->nextstatus = 1;
bus_dmamap_load(dmatag, dmamap,
&(sc->copper_queue->status[0]), IPS_MAX_CMD_NUM * 4,
ips_copperhead_queue_callback, sc->copper_queue,
BUS_DMA_NOWAIT);
if(sc->copper_queue->base_phys_addr == 0){
error = ENOMEM;
goto exit;
}
ips_write_4(sc, COPPER_REG_SQSR, sc->copper_queue->base_phys_addr);
ips_write_4(sc, COPPER_REG_SQER, sc->copper_queue->base_phys_addr +
IPS_MAX_CMD_NUM * 4);
ips_write_4(sc, COPPER_REG_SQHR, sc->copper_queue->base_phys_addr + 4);
ips_write_4(sc, COPPER_REG_SQTR, sc->copper_queue->base_phys_addr);
return 0;
exit:
if (sc->copper_queue != NULL)
bus_dmamem_free(dmatag, sc->copper_queue, dmamap);
bus_dma_tag_destroy(dmatag);
return error;
}
static void
drm_ati_free_pcigart_table(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info)
{
struct drm_dma_handle *dmah = gart_info->dmah;
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
gart_info->dmah = NULL;
}
static void
rtwn_pci_free_rx_list(struct rtwn_softc *sc)
{
struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
struct rtwn_rx_ring *rx_ring = &pc->rx_ring;
struct rtwn_rx_data *rx_data;
int i;
if (rx_ring->desc_dmat != NULL) {
if (rx_ring->desc != NULL) {
bus_dmamap_sync(rx_ring->desc_dmat,
rx_ring->desc_map,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(rx_ring->desc_dmat,
rx_ring->desc_map);
bus_dmamem_free(rx_ring->desc_dmat, rx_ring->desc,
rx_ring->desc_map);
rx_ring->desc = NULL;
}
bus_dma_tag_destroy(rx_ring->desc_dmat);
rx_ring->desc_dmat = NULL;
}
for (i = 0; i < RTWN_PCI_RX_LIST_COUNT; i++) {
rx_data = &rx_ring->rx_data[i];
if (rx_data->m != NULL) {
bus_dmamap_sync(rx_ring->data_dmat,
rx_data->map, BUS_DMASYNC_POSTREAD);
bus_dmamap_unload(rx_ring->data_dmat, rx_data->map);
m_freem(rx_data->m);
rx_data->m = NULL;
}
bus_dmamap_destroy(rx_ring->data_dmat, rx_data->map);
rx_data->map = NULL;
}
if (rx_ring->data_dmat != NULL) {
bus_dma_tag_destroy(rx_ring->data_dmat);
rx_ring->data_dmat = NULL;
}
}
static void
atiixp_release_resource(struct atiixp_info *sc)
{
if (sc == NULL)
return;
if (sc->codec) {
ac97_destroy(sc->codec);
sc->codec = NULL;
}
if (sc->ih) {
bus_teardown_intr(sc->dev, sc->irq, sc->ih);
sc->ih = NULL;
}
if (sc->reg) {
bus_release_resource(sc->dev, sc->regtype, sc->regid, sc->reg);
sc->reg = NULL;
}
if (sc->irq) {
bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqid, sc->irq);
sc->irq = NULL;
}
if (sc->parent_dmat) {
bus_dma_tag_destroy(sc->parent_dmat);
sc->parent_dmat = NULL;
}
if (sc->sgd_dmamap)
bus_dmamap_unload(sc->sgd_dmat, sc->sgd_dmamap);
if (sc->sgd_table) {
bus_dmamem_free(sc->sgd_dmat, sc->sgd_table, sc->sgd_dmamap);
sc->sgd_table = NULL;
}
sc->sgd_dmamap = NULL;
if (sc->sgd_dmat) {
bus_dma_tag_destroy(sc->sgd_dmat);
sc->sgd_dmat = NULL;
}
if (sc->lock) {
snd_mtxfree(sc->lock);
sc->lock = NULL;
}
}
static int
ohci_pci_detach(device_t self)
{
ohci_softc_t *sc = device_get_softc(self);
if (sc->sc_flags & OHCI_SCFLG_DONEINIT) {
ohci_detach(sc, 0);
sc->sc_flags &= ~OHCI_SCFLG_DONEINIT;
}
if (sc->sc_bus.parent_dmatag != NULL)
bus_dma_tag_destroy(sc->sc_bus.parent_dmatag);
if (sc->sc_bus.buffer_dmatag != NULL)
bus_dma_tag_destroy(sc->sc_bus.buffer_dmatag);
if (sc->irq_res && sc->ih) {
int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
if (err)
/* XXX or should we panic? */
device_printf(self, "Could not tear down irq, %d\n",
err);
sc->ih = NULL;
}
if (sc->sc_bus.bdev) {
device_delete_child(self, sc->sc_bus.bdev);
sc->sc_bus.bdev = NULL;
}
if (sc->irq_res) {
bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
sc->irq_res = NULL;
}
if (sc->io_res) {
bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
sc->io_res);
sc->io_res = NULL;
sc->iot = 0;
sc->ioh = 0;
}
return 0;
}
void
aha_free(struct aha_softc *aha)
{
switch (aha->init_level) {
default:
case 8:
{
struct sg_map_node *sg_map;
while ((sg_map = SLIST_FIRST(&aha->sg_maps))!= NULL) {
SLIST_REMOVE_HEAD(&aha->sg_maps, links);
bus_dmamap_unload(aha->sg_dmat, sg_map->sg_dmamap);
bus_dmamem_free(aha->sg_dmat, sg_map->sg_vaddr,
sg_map->sg_dmamap);
free(sg_map, M_DEVBUF);
}
bus_dma_tag_destroy(aha->sg_dmat);
}
case 7:
bus_dmamap_unload(aha->ccb_dmat, aha->ccb_dmamap);
case 6:
bus_dmamem_free(aha->ccb_dmat, aha->aha_ccb_array,
aha->ccb_dmamap);
bus_dmamap_destroy(aha->ccb_dmat, aha->ccb_dmamap);
case 5:
bus_dma_tag_destroy(aha->ccb_dmat);
case 4:
bus_dmamap_unload(aha->mailbox_dmat, aha->mailbox_dmamap);
case 3:
bus_dmamem_free(aha->mailbox_dmat, aha->in_boxes,
aha->mailbox_dmamap);
bus_dmamap_destroy(aha->mailbox_dmat, aha->mailbox_dmamap);
case 2:
bus_dma_tag_destroy(aha->buffer_dmat);
case 1:
bus_dma_tag_destroy(aha->mailbox_dmat);
case 0:
break;
}
mtx_destroy(&aha->lock);
}
static int
zy7_devcfg_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
{
struct zy7_devcfg_softc *sc = dev->si_drv1;
DEVCFG_SC_LOCK(sc);
sc->is_open = 0;
bus_dma_tag_destroy(sc->dma_tag);
DEVCFG_SC_UNLOCK(sc);
return (0);
}
static int
ds_pci_detach(device_t dev)
{
int r;
struct sc_info *sc;
r = pcm_unregister(dev);
if (r)
return r;
sc = pcm_getdevinfo(dev);
ds_uninit(sc);
bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
bus_teardown_intr(dev, sc->irq, sc->ih);
bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
bus_dma_tag_destroy(sc->buffer_dmat);
bus_dma_tag_destroy(sc->control_dmat);
snd_mtxfree(sc->lock);
free(sc, M_DEVBUF);
return 0;
}
static int
via_detach(device_t dev)
{
int r;
struct via_info *via = NULL;
r = pcm_unregister(dev);
if (r) return r;
via = pcm_getdevinfo(dev);
bus_release_resource(dev, SYS_RES_IOPORT, via->regid, via->reg);
bus_teardown_intr(dev, via->irq, via->ih);
bus_release_resource(dev, SYS_RES_IRQ, via->irqid, via->irq);
bus_dma_tag_destroy(via->parent_dmat);
bus_dmamap_unload(via->sgd_dmat, via->sgd_dmamap);
bus_dmamem_free(via->sgd_dmat, via->sgd_table, via->sgd_dmamap);
bus_dma_tag_destroy(via->sgd_dmat);
snd_mtxfree(via->lock);
kfree(via, M_DEVBUF);
return 0;
}
void
fwdma_free_multiseg(struct fwdma_alloc_multi *am)
{
struct fwdma_seg *seg;
for (seg = &am->seg[0]; am->nseg --; seg ++) {
fwdma_free_size(am->dma_tag, seg->dma_map,
seg->v_addr, am->ssize);
}
bus_dma_tag_destroy(am->dma_tag);
free(am, M_FW);
}
static void
rtwn_pci_free_tx_list(struct rtwn_softc *sc, int qid)
{
struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
struct rtwn_tx_ring *tx_ring = &pc->tx_ring[qid];
struct rtwn_tx_data *tx_data;
int i;
if (tx_ring->desc_dmat != NULL) {
if (tx_ring->desc != NULL) {
bus_dmamap_sync(tx_ring->desc_dmat,
tx_ring->desc_map, BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(tx_ring->desc_dmat,
tx_ring->desc_map);
bus_dmamem_free(tx_ring->desc_dmat, tx_ring->desc,
tx_ring->desc_map);
}
bus_dma_tag_destroy(tx_ring->desc_dmat);
}
for (i = 0; i < RTWN_PCI_TX_LIST_COUNT; i++) {
tx_data = &tx_ring->tx_data[i];
if (tx_data->m != NULL) {
bus_dmamap_sync(tx_ring->data_dmat, tx_data->map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(tx_ring->data_dmat, tx_data->map);
m_freem(tx_data->m);
tx_data->m = NULL;
}
}
if (tx_ring->data_dmat != NULL) {
bus_dma_tag_destroy(tx_ring->data_dmat);
tx_ring->data_dmat = NULL;
}
sc->qfullmsk &= ~(1 << qid);
tx_ring->queued = 0;
tx_ring->last = tx_ring->cur = 0;
}
static void
ata_dmafree(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ch->dma->work_bus) {
bus_dmamap_unload(ch->dma->work_tag, ch->dma->work_map);
bus_dmamem_free(ch->dma->work_tag, ch->dma->work, ch->dma->work_map);
ch->dma->work_bus = 0;
ch->dma->work_map = NULL;
ch->dma->work = NULL;
}
if (ch->dma->work_tag) {
bus_dma_tag_destroy(ch->dma->work_tag);
ch->dma->work_tag = NULL;
}
if (ch->dma->sg_bus) {
bus_dmamap_unload(ch->dma->sg_tag, ch->dma->sg_map);
bus_dmamem_free(ch->dma->sg_tag, ch->dma->sg, ch->dma->sg_map);
ch->dma->sg_bus = 0;
ch->dma->sg_map = NULL;
ch->dma->sg = NULL;
}
if (ch->dma->data_map) {
bus_dmamap_destroy(ch->dma->data_tag, ch->dma->data_map);
ch->dma->data_map = NULL;
}
if (ch->dma->sg_tag) {
bus_dma_tag_destroy(ch->dma->sg_tag);
ch->dma->sg_tag = NULL;
}
if (ch->dma->data_tag) {
bus_dma_tag_destroy(ch->dma->data_tag);
ch->dma->data_tag = NULL;
}
if (ch->dma->dmatag) {
bus_dma_tag_destroy(ch->dma->dmatag);
ch->dma->dmatag = NULL;
}
}
/******************************************************************************
agtiapi_MemFree()
Purpose:
Free agtiapi_MemAlloc() allocated memory
Parameters:
ag_card_info_t *pCardInfo (IN) Pointer to card info structure
Return: none
******************************************************************************/
STATIC void agtiapi_MemFree( ag_card_info_t *pCardInfo )
{
U32 idx;
// release memory vs. alloc in agtiapi_MemAlloc; cached case
for( idx = 0; idx < pCardInfo->cacheIndex; idx++ ) {
if( pCardInfo->tiCachedMem[idx] ) {
free( pCardInfo->tiCachedMem[idx], M_PMC_MMAL );
AGTIAPI_PRINTK( "agtiapi_MemFree: TI_CACHED_MEM Mem[%d] %p\n",
idx, pCardInfo->tiCachedMem[idx] );
}
}
// release memory vs. alloc in agtiapi_typhAlloc; used in agtiapi_MemAlloc
struct agtiapi_softc *pmsc = pCardInfo->pCard; // get card reference
if( pmsc->typh_busaddr != 0 ) {
bus_dmamap_unload( pmsc->typh_dmat, pmsc->typh_mapp );
}
if( pmsc->typh_mem != NULL ) {
bus_dmamem_free( pmsc->typh_dmat, pmsc->typh_mem, pmsc->typh_mapp );
}
if( pmsc->typh_dmat != NULL ) {
bus_dma_tag_destroy( pmsc->typh_dmat );
}
//reference values:
// pCardInfo->dmaIndex
// pCardInfo->tiDmaMem[idx].dmaVirtAddr
// pCardInfo->tiDmaMem[idx].memSize
// pCardInfo->tiDmaMem[idx].type == TI_CACHED_DMA_MEM
// pCardInfo->tiDmaMem[idx].type == TI_DMA_MEM
/* This code is redundant. Commenting out for now to maintain a placekeeper.
Free actually takes place in agtiapi_ReleaseHBA as calls on osti_dmat. dm
// release possible lower layer dynamic memory
for( idx = 0; idx < AGTIAPI_DYNAMIC_MAX; idx++ ) {
if( pCardInfo->dynamicMem[idx].dmaVirtAddr != NULL ) {
printf( "agtiapi_MemFree: dynMem[%d] virtAddr"
" %p / %lx size: %d\n",
idx, pCardInfo->dynamicMem[idx].dmaVirtAddr,
(long unsigned int)pCardInfo->dynamicMem[idx].dmaPhysAddr,
pCardInfo->dynamicMem[idx].memSize );
if( pCardInfo->dynamicMem[idx].dmaPhysAddr )
some form of free call would go here (
pCardInfo->dynamicMem[idx].dmaVirtAddr,
pCardInfo->dynamicMem[idx].memSize, ... );
else
free case for cacheable memory would go here
}
}
*/
return;
}
int
dbdma_free_channel(dbdma_channel_t *chan)
{
dbdma_stop(chan);
bus_dmamem_free(chan->sc_dmatag, chan->sc_slots, chan->sc_dmamap);
bus_dma_tag_destroy(chan->sc_dmatag);
free(chan, M_DBDMA);
return (0);
}
static int
ioat_detach(device_t device)
{
struct ioat_softc *ioat;
ioat = DEVICE2SOFTC(device);
ioat_test_detach();
mtx_lock(IOAT_REFLK);
ioat->quiescing = TRUE;
ioat_channel[ioat->chan_idx] = NULL;
ioat_drain_locked(ioat);
mtx_unlock(IOAT_REFLK);
ioat_teardown_intr(ioat);
callout_drain(&ioat->timer);
pci_disable_busmaster(device);
if (ioat->pci_resource != NULL)
bus_release_resource(device, SYS_RES_MEMORY,
ioat->pci_resource_id, ioat->pci_resource);
if (ioat->ring != NULL)
ioat_free_ring(ioat, 1 << ioat->ring_size_order, ioat->ring);
if (ioat->comp_update != NULL) {
bus_dmamap_unload(ioat->comp_update_tag, ioat->comp_update_map);
bus_dmamem_free(ioat->comp_update_tag, ioat->comp_update,
ioat->comp_update_map);
bus_dma_tag_destroy(ioat->comp_update_tag);
}
bus_dma_tag_destroy(ioat->hw_desc_tag);
return (0);
}
void *
hyperv_dmamem_alloc(bus_dma_tag_t parent_dtag, bus_size_t alignment,
bus_addr_t boundary, bus_size_t size, struct hyperv_dma *dma, int flags)
{
void *ret;
int error;
error = bus_dma_tag_create(parent_dtag, /* parent */
alignment, /* alignment */
boundary, /* boundary */
BUS_SPACE_MAXADDR, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
size, /* maxsize */
1, /* nsegments */
size, /* maxsegsize */
0, /* flags */
NULL, /* lockfunc */
NULL, /* lockfuncarg */
&dma->hv_dtag);
if (error)
return NULL;
error = bus_dmamem_alloc(dma->hv_dtag, &ret,
(flags & HYPERV_DMA_WAITMASK) | BUS_DMA_COHERENT, &dma->hv_dmap);
if (error) {
bus_dma_tag_destroy(dma->hv_dtag);
return NULL;
}
error = bus_dmamap_load(dma->hv_dtag, dma->hv_dmap, ret, size,
hyperv_dma_map_paddr, &dma->hv_paddr, BUS_DMA_NOWAIT);
if (error) {
bus_dmamem_free(dma->hv_dtag, ret, dma->hv_dmap);
bus_dma_tag_destroy(dma->hv_dtag);
return NULL;
}
return ret;
}
static int
ua_attach(device_t dev)
{
struct ua_info *ua;
char status[SND_STATUSLEN];
unsigned int bufsz;
ua = (struct ua_info *)malloc(sizeof *ua, M_DEVBUF, M_NOWAIT);
if (!ua)
return ENXIO;
bzero(ua, sizeof *ua);
ua->sc_dev = dev;
bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_PCM_BUFF_SIZE, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/bufsz, /*nsegments*/1,
/*maxsegz*/0x3fff, /*flags*/0,
&ua->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
if (mixer_init(dev, &ua_mixer_class, ua)) {
return(ENXIO);
}
snprintf(status, SND_STATUSLEN, "at addr ?");
if (pcm_register(dev, ua, 1, 0)) {
return(ENXIO);
}
pcm_addchan(dev, PCMDIR_PLAY, &ua_chan_class, ua);
#ifndef NO_RECORDING
pcm_addchan(dev, PCMDIR_REC, &ua_chan_class, ua);
#endif
pcm_setstatus(dev, status);
return 0;
bad:
if (ua->parent_dmat)
bus_dma_tag_destroy(ua->parent_dmat);
free(ua, M_DEVBUF);
return ENXIO;
}
void
ida_free(struct ida_softc *ida)
{
int i;
for (i = 0; i < ida->num_qcbs; i++)
bus_dmamap_destroy(ida->buffer_dmat, ida->qcbs[i].dmamap);
if (ida->hwqcb_busaddr)
bus_dmamap_unload(ida->hwqcb_dmat, ida->hwqcb_dmamap);
if (ida->hwqcbs)
bus_dmamem_free(ida->hwqcb_dmat, ida->hwqcbs,
ida->hwqcb_dmamap);
if (ida->buffer_dmat)
bus_dma_tag_destroy(ida->buffer_dmat);
if (ida->hwqcb_dmat)
bus_dma_tag_destroy(ida->hwqcb_dmat);
if (ida->qcbs != NULL)
kfree(ida->qcbs, M_DEVBUF);
if (ida->ih != NULL)
bus_teardown_intr(ida->dev, ida->irq, ida->ih);
if (ida->irq != NULL)
bus_release_resource(ida->dev, ida->irq_res_type,
0, ida->irq);
if (ida->parent_dmat != NULL)
bus_dma_tag_destroy(ida->parent_dmat);
if (ida->regs != NULL)
bus_release_resource(ida->dev, ida->regs_res_type,
ida->regs_res_id, ida->regs);
}
/* clean up so we can unload the driver. */
int ips_adapter_free(ips_softc_t *sc)
{
int error = 0;
if(sc->state & IPS_DEV_OPEN)
return EBUSY;
if((error = ips_diskdev_free(sc)))
return error;
if(ips_cmdqueue_free(sc)){
device_printf(sc->dev,
"trying to exit when command queue is not empty!\n");
return EBUSY;
}
DEVICE_PRINTF(1, sc->dev, "free\n");
callout_drain(&sc->timer);
if(sc->sg_dmatag)
bus_dma_tag_destroy(sc->sg_dmatag);
if(sc->command_dmatag)
bus_dma_tag_destroy(sc->command_dmatag);
if(sc->device_file)
destroy_dev(sc->device_file);
return 0;
}
static int
le_pci_detach(device_t dev)
{
struct le_pci_softc *lesc;
struct lance_softc *sc;
lesc = device_get_softc(dev);
sc = &lesc->sc_am79900.lsc;
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
am79900_detach(&lesc->sc_am79900);
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
bus_dma_tag_destroy(lesc->sc_dmat);
bus_dma_tag_destroy(lesc->sc_pdmat);
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(lesc->sc_ires), lesc->sc_ires);
bus_release_resource(dev, SYS_RES_IOPORT,
rman_get_rid(lesc->sc_rres), lesc->sc_rres);
LE_LOCK_DESTROY(sc);
return (0);
}
static int
at91_mci_detach(device_t dev)
{
struct at91_mci_softc *sc = device_get_softc(dev);
at91_mci_fini(dev);
at91_mci_deactivate(dev);
bus_dmamem_free(sc->dmatag, sc->bbuf_vaddr[0], sc->bbuf_map[0]);
bus_dmamem_free(sc->dmatag, sc->bbuf_vaddr[1], sc->bbuf_map[1]);
bus_dma_tag_destroy(sc->dmatag);
return (EBUSY); /* XXX */
}
static int
esp_pci_detach(device_t dev)
{
struct ncr53c9x_softc *sc;
struct esp_pci_softc *esc;
int error;
esc = device_get_softc(dev);
sc = &esc->sc_ncr53c9x;
bus_teardown_intr(esc->sc_dev, esc->sc_res[ESP_PCI_RES_INTR],
esc->sc_ih);
error = ncr53c9x_detach(sc);
if (error != 0)
return (error);
bus_dmamap_destroy(esc->sc_xferdmat, esc->sc_xferdmam);
bus_dma_tag_destroy(esc->sc_xferdmat);
bus_dma_tag_destroy(esc->sc_pdmat);
bus_release_resources(dev, esp_pci_res_spec, esc->sc_res);
NCR_LOCK_DESTROY(sc);
return (0);
}
