diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/lguest/boot.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 090f30cbf24..959aeebb02f 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. |