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Code Issues Releases Activity

- Ensure that the busdma API won't do deferred loads by using the

Browse Source 
BUS_DMA_NOWAIT flag, since the code can't handle this.
- Use NULL, NULL for the lockfunc and lockfuncarg parameters of
  bus_dma_tag_create() since deferred loads can't happen now.
This commit is contained in:
Maxime Henrion 2003-07-04 11:46:23 +00:00
parent 1069e3a6f4
commit 139cfa581e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=117220
1 changed files with 9 additions and 9 deletions
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18
sys/pci/if_xl.c
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@ -1481,7 +1481,7 @@ xl_attach(dev)
*/
error = bus_dma_tag_create(NULL, 8, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
XL_RX_LIST_SZ, 1, XL_RX_LIST_SZ, 0, busdma_lock_mutex, &Giant,
XL_RX_LIST_SZ, 1, XL_RX_LIST_SZ, 0, NULL, NULL,
&sc->xl_ldata.xl_rx_tag);
if (error) {
printf("xl%d: failed to allocate rx dma tag\n", unit);
@ -1501,7 +1501,7 @@ xl_attach(dev)
error = bus_dmamap_load(sc->xl_ldata.xl_rx_tag,
sc->xl_ldata.xl_rx_dmamap, sc->xl_ldata.xl_rx_list,
XL_RX_LIST_SZ, xl_dma_map_addr,
&sc->xl_ldata.xl_rx_dmaaddr, 0);
&sc->xl_ldata.xl_rx_dmaaddr, BUS_DMA_NOWAIT);
if (error) {
printf("xl%d: cannot get dma address of the rx ring!\n", unit);
bus_dmamem_free(sc->xl_ldata.xl_rx_tag, sc->xl_ldata.xl_rx_list,
@ -1513,7 +1513,7 @@ xl_attach(dev)
error = bus_dma_tag_create(NULL, 8, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
XL_TX_LIST_SZ, 1, XL_TX_LIST_SZ, 0, busdma_lock_mutex, &Giant,
XL_TX_LIST_SZ, 1, XL_TX_LIST_SZ, 0, NULL, NULL,
&sc->xl_ldata.xl_tx_tag);
if (error) {
printf("xl%d: failed to allocate tx dma tag\n", unit);
@ -1533,7 +1533,7 @@ xl_attach(dev)
error = bus_dmamap_load(sc->xl_ldata.xl_tx_tag,
sc->xl_ldata.xl_tx_dmamap, sc->xl_ldata.xl_tx_list,
XL_TX_LIST_SZ, xl_dma_map_addr,
&sc->xl_ldata.xl_tx_dmaaddr, 0);
&sc->xl_ldata.xl_tx_dmaaddr, BUS_DMA_NOWAIT);
if (error) {
printf("xl%d: cannot get dma address of the tx ring!\n", unit);
bus_dmamem_free(sc->xl_ldata.xl_tx_tag, sc->xl_ldata.xl_tx_list,
@ -1548,8 +1548,8 @@ xl_attach(dev)
*/
error = bus_dma_tag_create(NULL, 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
MCLBYTES * XL_MAXFRAGS, XL_MAXFRAGS, MCLBYTES, 0, busdma_lock_mutex,
&Giant, &sc->xl_mtag);
MCLBYTES * XL_MAXFRAGS, XL_MAXFRAGS, MCLBYTES, 0, NULL,
NULL, &sc->xl_mtag);
if (error) {
printf("xl%d: failed to allocate mbuf dma tag\n", unit);
goto fail;
@ -1971,7 +1971,7 @@ xl_newbuf(sc, c)
m_adj(m_new, ETHER_ALIGN);
error = bus_dmamap_load_mbuf(sc->xl_mtag, sc->xl_tmpmap, m_new,
xl_dma_map_rxbuf, &baddr, 0);
xl_dma_map_rxbuf, &baddr, BUS_DMA_NOWAIT);
if (error) {
m_freem(m_new);
printf("xl%d: can't map mbuf (error %d)\n", sc->xl_unit, error);
@ -2439,7 +2439,7 @@ xl_encap(sc, c, m_head)
* of fragments or hit the end of the mbuf chain.
*/
error = bus_dmamap_load_mbuf(sc->xl_mtag, c->xl_map, m_head,
xl_dma_map_txbuf, c->xl_ptr, 0);
xl_dma_map_txbuf, c->xl_ptr, BUS_DMA_NOWAIT);
if (error && error != EFBIG) {
m_freem(m_head);
@ -2467,7 +2467,7 @@ xl_encap(sc, c, m_head)
}
error = bus_dmamap_load_mbuf(sc->xl_mtag, c->xl_map,
m_head, xl_dma_map_txbuf, c->xl_ptr, 0);
m_head, xl_dma_map_txbuf, c->xl_ptr, BUS_DMA_NOWAIT);
if (error) {
m_freem(m_head);
printf("xl%d: can't map mbuf (error %d)\n",