diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_init_chip.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_init_chip.c | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c index 44669dc2e22d..d819cca524cd 100644 --- a/drivers/infiniband/hw/ipath/ipath_init_chip.c +++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c @@ -88,13 +88,13 @@ MODULE_PARM_DESC(kpiobufs, "Set number of PIO buffers for driver"); static int create_port0_egr(struct ipath_devdata *dd) { unsigned e, egrcnt; - struct sk_buff **skbs; + struct ipath_skbinfo *skbinfo; int ret; egrcnt = dd->ipath_rcvegrcnt; - skbs = vmalloc(sizeof(*dd->ipath_port0_skbs) * egrcnt); - if (skbs == NULL) { + skbinfo = vmalloc(sizeof(*dd->ipath_port0_skbinfo) * egrcnt); + if (skbinfo == NULL) { ipath_dev_err(dd, "allocation error for eager TID " "skb array\n"); ret = -ENOMEM; @@ -109,13 +109,13 @@ static int create_port0_egr(struct ipath_devdata *dd) * 4 bytes so that the data buffer stays word aligned. * See ipath_kreceive() for more details. */ - skbs[e] = ipath_alloc_skb(dd, GFP_KERNEL); - if (!skbs[e]) { + skbinfo[e].skb = ipath_alloc_skb(dd, GFP_KERNEL); + if (!skbinfo[e].skb) { ipath_dev_err(dd, "SKB allocation error for " "eager TID %u\n", e); while (e != 0) - dev_kfree_skb(skbs[--e]); - vfree(skbs); + dev_kfree_skb(skbinfo[--e].skb); + vfree(skbinfo); ret = -ENOMEM; goto bail; } @@ -124,14 +124,17 @@ static int create_port0_egr(struct ipath_devdata *dd) * After loop above, so we can test non-NULL to see if ready * to use at receive, etc. */ - dd->ipath_port0_skbs = skbs; + dd->ipath_port0_skbinfo = skbinfo; for (e = 0; e < egrcnt; e++) { - unsigned long phys = - virt_to_phys(dd->ipath_port0_skbs[e]->data); + dd->ipath_port0_skbinfo[e].phys = + ipath_map_single(dd->pcidev, + dd->ipath_port0_skbinfo[e].skb->data, + dd->ipath_ibmaxlen, PCI_DMA_FROMDEVICE); dd->ipath_f_put_tid(dd, e + (u64 __iomem *) ((char __iomem *) dd->ipath_kregbase + - dd->ipath_rcvegrbase), 0, phys); + dd->ipath_rcvegrbase), 0, + dd->ipath_port0_skbinfo[e].phys); } ret = 0; @@ -432,16 +435,33 @@ done: */ static void init_shadow_tids(struct ipath_devdata *dd) { - dd->ipath_pageshadow = (struct page **) - vmalloc(dd->ipath_cfgports * dd->ipath_rcvtidcnt * + struct page **pages; + dma_addr_t *addrs; + + pages = vmalloc(dd->ipath_cfgports * dd->ipath_rcvtidcnt * sizeof(struct page *)); - if (!dd->ipath_pageshadow) + if (!pages) { ipath_dev_err(dd, "failed to allocate shadow page * " "array, no expected sends!\n"); - else - memset(dd->ipath_pageshadow, 0, - dd->ipath_cfgports * dd->ipath_rcvtidcnt * - sizeof(struct page *)); + dd->ipath_pageshadow = NULL; + return; + } + + addrs = vmalloc(dd->ipath_cfgports * dd->ipath_rcvtidcnt * + sizeof(dma_addr_t)); + if (!addrs) { + ipath_dev_err(dd, "failed to allocate shadow dma handle " + "array, no expected sends!\n"); + vfree(dd->ipath_pageshadow); + dd->ipath_pageshadow = NULL; + return; + } + + memset(pages, 0, dd->ipath_cfgports * dd->ipath_rcvtidcnt * + sizeof(struct page *)); + + dd->ipath_pageshadow = pages; + dd->ipath_physshadow = addrs; } static void enable_chip(struct ipath_devdata *dd, |