Sunday 28 June 2009 11:54:40 Hans Petter Selasky napisał(a):
Hi Piotr and Rafal,
Your patch is not fully correct. It will break support for x86 and more
when bounce pages are uses.
Let's get the definitions right:
man busdma
(...)
My view:
XXX_PREXXX functions should be used prior to
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Hi,
On Monday 29 June 2009 12:49:43 Piotr Zięcik wrote:
Monday 29 June 2009 11:55:11 Hans Petter Selasky napisał(a):
Hi Piotr and Rafal,
Look into ehci_check_transfer() function
(http://fxr.watson.org/fxr/source/dev/usb/controller/ehci.c#L1294)
usb_pc_cpu_invalidate() [bus_dmamap_sync()]
Hi,
USB_THREAD_SUSPEND(p) is defined as {kproc|kthread}_suspend(p, 0). This means
that it will wait until the corresponding thread recognizes its suspend request
and suspends itself. It seems that {kproc|kthread}_suspend_check() will be
used nowhere in the USB system. Thus the
On Monday 29 June 2009 13:29:49 Sebastian Huber wrote:
Hi,
USB_THREAD_SUSPEND(p) is defined as {kproc|kthread}_suspend(p, 0). This
means that it will wait until the corresponding thread recognizes its
suspend request and suspends itself. It seems that
{kproc|kthread}_suspend_check() will
On Mon, 29 Jun 2009 13:37:41 +0200
Hans Petter Selasky hsela...@c2i.net mentioned:
USB is currently _updating_ (!!) the PAGE offset part of vaddr. If
cpu_dcache_inv_range() is called with an address not starting at the cache
line what will the cpu_dcache_inv_range() do? Will it skip to the
On Monday 29 June 2009 14:10:11 Stanislav Sedov wrote:
On Mon, 29 Jun 2009 13:37:41 +0200
Hans Petter Selasky hsela...@c2i.net mentioned:
USB is currently _updating_ (!!) the PAGE offset part of vaddr. If
cpu_dcache_inv_range() is called with an address not starting at the
cache line what
Monday 29 June 2009 13:37:41 Hans Petter Selasky napisał(a):
Look into ehci_check_transfer() function
(http://fxr.watson.org/fxr/source/dev/usb/controller/ehci.c#L1294)
usb_pc_cpu_invalidate() [bus_dmamap_sync()] is not used in this function
correcly. It is not paired with
On Monday 29 June 2009 14:16:13 Piotr Zięcik wrote:
Look for bus_dmamap_sync() sync description, last sentence:
cite
If read and write operations are not preceded and followed by the
appropriate synchronization operations, behavior is undefined.
/cite
I don't think this is a problem. I do
Monday 29 June 2009 13:37:41 Hans Petter Selasky napisał(a):
if (op BUS_DMASYNC_POSTREAD) {
if (bpage-vaddr_nocache == 0) {
cpu_dcache_inv_range(bpage-vaddr,
bpage-datacount);
On Tuesday 23 June 2009 10:35:42 Piotr Zięcik wrote:
--- a/sys/dev/usb/usb_busdma.c
+++ b/sys/dev/usb/usb_busdma.c
@@ -658,8 +658,7 @@ usb_pc_cpu_invalidate(struct usb_page_cache *pc)
/* nothing has been loaded into this page cache! */
return;
}
-
On Mon, 29 Jun 2009 14:14:45 +0200
Hans Petter Selasky hsela...@c2i.net mentioned:
On Monday 29 June 2009 14:10:11 Stanislav Sedov wrote:
On Mon, 29 Jun 2009 13:37:41 +0200
Hans Petter Selasky hsela...@c2i.net mentioned:
USB is currently _updating_ (!!) the PAGE offset part of vaddr. If
What has to be changed in busdma_machdep.c for ARM/MIPS so that the problem=
is=20
resolved. I think there are something missing there and not in USB!
=2D-HPS
I unsuccessfully looked for the start of this thread. Which version of FreeBSD
are you using?
--Mark T.
On Sat, Jun 27, 2009 at 5:11 AM, Hans Petter Selaskyhsela...@c2i.net wrote:
On Saturday 27 June 2009 06:32:54 Vinicius Abrahao wrote:
9) What I'm doing wrong?
I don't think this is your fault. My initial patch for this problem had a loop
in the mount root code, trying to mount the root device
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