diff options
Diffstat (limited to 'include/xen/arm')
| -rw-r--r-- | include/xen/arm/hypercall.h | 15 | ||||
| -rw-r--r-- | include/xen/arm/page-coherent.h | 20 | ||||
| -rw-r--r-- | include/xen/arm/page.h | 15 | ||||
| -rw-r--r-- | include/xen/arm/swiotlb-xen.h | 20 | ||||
| -rw-r--r-- | include/xen/arm/xen-ops.h | 18 |
5 files changed, 47 insertions, 41 deletions
diff --git a/include/xen/arm/hypercall.h b/include/xen/arm/hypercall.h index b40485e54d80..9d7dd1c65a21 100644 --- a/include/xen/arm/hypercall.h +++ b/include/xen/arm/hypercall.h @@ -53,7 +53,6 @@ unsigned long HYPERVISOR_hvm_op(int op, void *arg); int HYPERVISOR_memory_op(unsigned int cmd, void *arg); int HYPERVISOR_physdev_op(int cmd, void *arg); int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); -int HYPERVISOR_tmem_op(void *arg); int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type); int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs, struct xen_dm_op_buf *bufs); @@ -74,18 +73,4 @@ HYPERVISOR_suspend(unsigned long start_info_mfn) return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); } -static inline void -MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, - unsigned int new_val, unsigned long flags) -{ - BUG(); -} - -static inline void -MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req, - int count, int *success_count, domid_t domid) -{ - BUG(); -} - #endif /* _ASM_ARM_XEN_HYPERCALL_H */ diff --git a/include/xen/arm/page-coherent.h b/include/xen/arm/page-coherent.h deleted file mode 100644 index b9cc11e887ed..000000000000 --- a/include/xen/arm/page-coherent.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _XEN_ARM_PAGE_COHERENT_H -#define _XEN_ARM_PAGE_COHERENT_H - -#include <linux/dma-mapping.h> -#include <asm/page.h> - -static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags, unsigned long attrs) -{ - return dma_direct_alloc(hwdev, size, dma_handle, flags, attrs); -} - -static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, - void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs) -{ - dma_direct_free(hwdev, size, cpu_addr, dma_handle, attrs); -} - -#endif /* _XEN_ARM_PAGE_COHERENT_H */ diff --git a/include/xen/arm/page.h b/include/xen/arm/page.h index f77dcbcba5a6..e5c84ff28c8b 100644 --- a/include/xen/arm/page.h +++ b/include/xen/arm/page.h @@ -3,11 +3,11 @@ #define _ASM_ARM_XEN_PAGE_H #include <asm/page.h> -#include <asm/pgtable.h> #include <linux/pfn.h> #include <linux/types.h> #include <linux/dma-mapping.h> +#include <linux/pgtable.h> #include <xen/xen.h> #include <xen/interface/grant_table.h> @@ -76,9 +76,16 @@ static inline unsigned long bfn_to_pfn(unsigned long bfn) #define bfn_to_local_pfn(bfn) bfn_to_pfn(bfn) /* VIRT <-> GUEST conversion */ -#define virt_to_gfn(v) (pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT)) +#define virt_to_gfn(v) \ + ({ \ + WARN_ON_ONCE(!virt_addr_valid(v)); \ + pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT); \ + }) #define gfn_to_virt(m) (__va(gfn_to_pfn(m) << XEN_PAGE_SHIFT)) +#define percpu_to_gfn(v) \ + (pfn_to_gfn(per_cpu_ptr_to_phys(v) >> XEN_PAGE_SHIFT)) + /* Only used in PV code. But ARM guests are always HVM. */ static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr) { @@ -102,12 +109,8 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn) return __set_phys_to_machine(pfn, mfn); } -#define xen_remap(cookie, size) ioremap_cache((cookie), (size)) -#define xen_unmap(cookie) iounmap((cookie)) - bool xen_arch_need_swiotlb(struct device *dev, phys_addr_t phys, dma_addr_t dev_addr); -unsigned long xen_get_swiotlb_free_pages(unsigned int order); #endif /* _ASM_ARM_XEN_PAGE_H */ diff --git a/include/xen/arm/swiotlb-xen.h b/include/xen/arm/swiotlb-xen.h new file mode 100644 index 000000000000..33336ab58afc --- /dev/null +++ b/include/xen/arm/swiotlb-xen.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ARM_SWIOTLB_XEN_H +#define _ASM_ARM_SWIOTLB_XEN_H + +#include <xen/features.h> +#include <xen/xen.h> + +static inline int xen_swiotlb_detect(void) +{ + if (!xen_domain()) + return 0; + if (xen_feature(XENFEAT_direct_mapped)) + return 1; + /* legacy case */ + if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain()) + return 1; + return 0; +} + +#endif /* _ASM_ARM_SWIOTLB_XEN_H */ diff --git a/include/xen/arm/xen-ops.h b/include/xen/arm/xen-ops.h new file mode 100644 index 000000000000..b0766a660338 --- /dev/null +++ b/include/xen/arm/xen-ops.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ARM_XEN_OPS_H +#define _ASM_ARM_XEN_OPS_H + +#include <xen/swiotlb-xen.h> +#include <xen/xen-ops.h> + +static inline void xen_setup_dma_ops(struct device *dev) +{ +#ifdef CONFIG_XEN + if (xen_is_grant_dma_device(dev)) + xen_grant_setup_dma_ops(dev); + else if (xen_swiotlb_detect()) + dev->dma_ops = &xen_swiotlb_dma_ops; +#endif +} + +#endif /* _ASM_ARM_XEN_OPS_H */ |