diff options
| author | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2020-04-20 12:23:54 +0000 |
|---|---|---|
| committer | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2020-04-20 12:23:54 +0000 |
| commit | 635a41b77bd46e4918ac40deda7824804f8b02c1 (patch) | |
| tree | 9c83a6fd5455d13b959b4d1fac66aec0a1e77fb5 | |
| parent | 89190032d1b22f1db22764daa4ffc704e06b65df (diff) | |
Check if we've reached the end of the current mailbox before writing past
the end of it, rather than after. Now we can actually allocate queues
big enough to need multiple mailboxes.
ok dlg@
| -rw-r--r-- | sys/dev/pci/if_mcx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/pci/if_mcx.c b/sys/dev/pci/if_mcx.c index 6e7ace6aae1..e05cdee83e0 100644 --- a/sys/dev/pci/if_mcx.c +++ b/sys/dev/pci/if_mcx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_mcx.c,v 1.40 2020/04/20 12:11:17 jmatthew Exp $ */ +/* $OpenBSD: if_mcx.c,v 1.41 2020/04/20 12:23:53 jmatthew Exp $ */ /* * Copyright (c) 2017 David Gwynne <dlg@openbsd.org> @@ -2776,13 +2776,13 @@ mcx_cmdq_mboxes_pas(struct mcx_dmamem *mxm, int offset, int npages, pas += (offset / sizeof(*pas)); mbox_pages = (MCX_CMDQ_MAILBOX_DATASIZE - offset) / sizeof(*pas); for (i = 0; i < npages; i++) { - *pas = htobe64(MCX_DMA_DVA(buf) + (i * MCX_PAGE_SIZE)); - pas++; if (i == mbox_pages) { mbox++; pas = mcx_cq_mbox_data(mcx_cq_mbox(mxm, mbox)); mbox_pages += MCX_CMDQ_MAILBOX_DATASIZE / sizeof(*pas); } + *pas = htobe64(MCX_DMA_DVA(buf) + (i * MCX_PAGE_SIZE)); + pas++; } } |