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[usb] Add the concept of a USB bus maximum transfer size

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-03-16 05:39:14 +00:00
parent 79697c75ee
commit 7b6765ff1b
4 changed files with 12 additions and 3 deletions
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3
src/drivers/usb/xhci.h
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@@ -24,6 +24,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
*/
#define XHCI_MIN_ALIGN 64
/** Maximum transfer size */
#define XHCI_MTU 65536
/** xHCI PCI BAR */
#define XHCI_BAR PCI_BASE_ADDRESS_0