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authorRusty Russell <rusty@rustcorp.com.au>2007-10-22 11:20:02 +1000
committerRusty Russell <rusty@rustcorp.com.au>2007-10-23 15:49:55 +1000
commit0ca49ca946409f87a8cd0b14d5acb6dea58de6f3 (patch)
tree5f5927f1b0bf46998f4132d3628ae4c51e5ccf5a /arch/x86
parent0a8a69dd77ddbd4513b21363021ecde7e1025502 (diff)
downloadop-kernel-dev-0ca49ca946409f87a8cd0b14d5acb6dea58de6f3.zip
op-kernel-dev-0ca49ca946409f87a8cd0b14d5acb6dea58de6f3.tar.gz
Remove old lguest bus and drivers.
This gets rid of the lguest bus, drivers and DMA mechanism, to make way for a generic virtio mechanism. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/lguest/boot.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 090f30c..959aeeb 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -55,7 +55,6 @@
#include <linux/clockchips.h>
#include <linux/lguest.h>
#include <linux/lguest_launcher.h>
-#include <linux/lguest_bus.h>
#include <asm/paravirt.h>
#include <asm/param.h>
#include <asm/page.h>
@@ -162,46 +161,6 @@ void async_hcall(unsigned long call,
}
/*:*/
-/* Wrappers for the SEND_DMA and BIND_DMA hypercalls. This is mainly because
- * Jeff Garzik complained that __pa() should never appear in drivers, and this
- * helps remove most of them. But also, it wraps some ugliness. */
-void lguest_send_dma(unsigned long key, struct lguest_dma *dma)
-{
- /* The hcall might not write this if something goes wrong */
- dma->used_len = 0;
- hcall(LHCALL_SEND_DMA, key, __pa(dma), 0);
-}
-
-int lguest_bind_dma(unsigned long key, struct lguest_dma *dmas,
- unsigned int num, u8 irq)
-{
- /* This is the only hypercall which actually wants 5 arguments, and we
- * only support 4. Fortunately the interrupt number is always less
- * than 256, so we can pack it with the number of dmas in the final
- * argument. */
- if (!hcall(LHCALL_BIND_DMA, key, __pa(dmas), (num << 8) | irq))
- return -ENOMEM;
- return 0;
-}
-
-/* Unbinding is the same hypercall as binding, but with 0 num & irq. */
-void lguest_unbind_dma(unsigned long key, struct lguest_dma *dmas)
-{
- hcall(LHCALL_BIND_DMA, key, __pa(dmas), 0);
-}
-
-/* For guests, device memory can be used as normal memory, so we cast away the
- * __iomem to quieten sparse. */
-void *lguest_map(unsigned long phys_addr, unsigned long pages)
-{
- return (__force void *)ioremap(phys_addr, PAGE_SIZE*pages);
-}
-
-void lguest_unmap(void *addr)
-{
- iounmap((__force void __iomem *)addr);
-}
-
/*G:033
* Here are our first native-instruction replacements: four functions for
* interrupt control.
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