|
|
![](http://www.xen.org/images/globals/pixel.gif) |
|
|
|
|
|
|
|
xen-devel
[Xen-devel] [PATCH 17 of 38] x86: add swiotlb allocation functions
Add x86-specific swiotlb allocation functions. These are purely
default for the moment.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/kernel/pci-swiotlb_64.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -3,6 +3,8 @@
#include <linux/pci.h>
#include <linux/cache.h>
#include <linux/module.h>
+#include <linux/swiotlb.h>
+#include <linux/bootmem.h>
#include <linux/dma-mapping.h>
#include <asm/iommu.h>
@@ -11,6 +13,16 @@
int swiotlb __read_mostly;
+void *swiotlb_alloc_boot(size_t size, unsigned long nslabs)
+{
+ return alloc_bootmem_low_pages(size);
+}
+
+void *swiotlb_alloc(unsigned order, unsigned long nslabs)
+{
+ return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order);
+}
+
static dma_addr_t
swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size,
int direction)
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
<Prev in Thread] |
Current Thread |
[Next in Thread>
|
- [Xen-devel] [PATCH 09 of 38] x86: make sure we really have an hpet mapping before using it, (continued)
- [Xen-devel] [PATCH 09 of 38] x86: make sure we really have an hpet mapping before using it, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 08 of 38] x86: make apic_* operations inline functions, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 07 of 38] x86: add io_apic_ops, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 10 of 38] x86: add handle_irq() to allow interrupt injection, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 11 of 38] x86: define no-op exit_idle() on 32-bit, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 12 of 38] xen/dom0: handle acpi lapic parsing in Xen dom0, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 13 of 38] x86: unstatic mp_find_ioapic so it can be used elsewhere, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 14 of 38] x86: add mp_find_ioapic_pin, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 15 of 38] x86: unstatic ioapic entry funcs, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 16 of 38] x86: include linux/init.h in asm/numa_64.h, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 17 of 38] x86: add swiotlb allocation functions,
Jeremy Fitzhardinge <=
- [Xen-devel] [PATCH 19 of 38] x86: add arch specific version of the swiotlb virt<->bus<->virt functions, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 21 of 38] xen dom0: Initialize xenbus for dom0, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 18 of 38] x86: unify pci iommu setup and allow swiotlb to compile for 32 bit, Jeremy Fitzhardinge
[Xen-devel] [PATCH 20 of 38] xen dom0: Make hvc_xen console work for dom0, Jeremy Fitzhardinge
|
|
|
|
|