diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/vfio_ccw_cp.c | 19 | ||||
| -rw-r--r-- | drivers/s390/crypto/vfio_ap_ops.c | 6 |
2 files changed, 12 insertions, 13 deletions
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c index cd4ec4f6d6ff..8963f452f963 100644 --- a/drivers/s390/cio/vfio_ccw_cp.c +++ b/drivers/s390/cio/vfio_ccw_cp.c @@ -22,8 +22,8 @@ struct page_array { /* Array that stores pages need to pin. */ dma_addr_t *pa_iova; - /* Array that receives PFNs of the pages pinned. */ - unsigned long *pa_pfn; + /* Array that receives the pinned pages. */ + struct page **pa_page; /* Number of pages pinned from @pa_iova. */ int pa_nr; }; @@ -68,19 +68,19 @@ static int page_array_alloc(struct page_array *pa, u64 iova, unsigned int len) return -EINVAL; pa->pa_iova = kcalloc(pa->pa_nr, - sizeof(*pa->pa_iova) + sizeof(*pa->pa_pfn), + sizeof(*pa->pa_iova) + sizeof(*pa->pa_page), GFP_KERNEL); if (unlikely(!pa->pa_iova)) { pa->pa_nr = 0; return -ENOMEM; } - pa->pa_pfn = (unsigned long *)&pa->pa_iova[pa->pa_nr]; + pa->pa_page = (struct page **)&pa->pa_iova[pa->pa_nr]; pa->pa_iova[0] = iova; - pa->pa_pfn[0] = -1ULL; + pa->pa_page[0] = NULL; for (i = 1; i < pa->pa_nr; i++) { pa->pa_iova[i] = pa->pa_iova[i - 1] + PAGE_SIZE; - pa->pa_pfn[i] = -1ULL; + pa->pa_page[i] = NULL; } return 0; @@ -144,7 +144,7 @@ static int page_array_pin(struct page_array *pa, struct vfio_device *vdev) ret = vfio_pin_pages(vdev, *first, npage, IOMMU_READ | IOMMU_WRITE, - &pa->pa_pfn[pinned]); + &pa->pa_page[pinned]); if (ret < 0) { goto err_out; } else if (ret > 0 && ret != npage) { @@ -195,7 +195,7 @@ static inline void page_array_idal_create_words(struct page_array *pa, */ for (i = 0; i < pa->pa_nr; i++) - idaws[i] = pa->pa_pfn[i] << PAGE_SHIFT; + idaws[i] = page_to_phys(pa->pa_page[i]); /* Adjust the first IDAW, since it may not start on a page boundary */ idaws[0] += pa->pa_iova[0] & (PAGE_SIZE - 1); @@ -246,8 +246,7 @@ static long copy_from_iova(struct vfio_device *vdev, void *to, u64 iova, l = n; for (i = 0; i < pa.pa_nr; i++) { - struct page *page = pfn_to_page(pa.pa_pfn[i]); - void *from = kmap_local_page(page); + void *from = kmap_local_page(pa.pa_page[i]); m = PAGE_SIZE; if (i == 0) { diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index d7c38c82f694..75cd92c291e3 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -234,9 +234,9 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q, struct ap_qirq_ctrl aqic_gisa = {}; struct ap_queue_status status = {}; struct kvm_s390_gisa *gisa; + struct page *h_page; int nisc; struct kvm *kvm; - unsigned long h_pfn; phys_addr_t h_nib; dma_addr_t nib; int ret; @@ -251,7 +251,7 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q, } ret = vfio_pin_pages(&q->matrix_mdev->vdev, nib, 1, - IOMMU_READ | IOMMU_WRITE, &h_pfn); + IOMMU_READ | IOMMU_WRITE, &h_page); switch (ret) { case 1: break; @@ -267,7 +267,7 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q, kvm = q->matrix_mdev->kvm; gisa = kvm->arch.gisa_int.origin; - h_nib = (h_pfn << PAGE_SHIFT) | (nib & ~PAGE_MASK); + h_nib = page_to_phys(h_page) | (nib & ~PAGE_MASK); aqic_gisa.gisc = isc; nisc = kvm_s390_gisc_register(kvm, isc); |