diff options
| -rw-r--r-- | block/nvme.c | 3 | ||||
| -rw-r--r-- | include/qemu/vfio-helpers.h | 2 | ||||
| -rw-r--r-- | util/vfio-helpers.c | 4 |
3 files changed, 5 insertions, 4 deletions
diff --git a/block/nvme.c b/block/nvme.c index f4f27b6da7..5a4dc6a722 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -712,7 +712,8 @@ static int nvme_init(BlockDriverState *bs, const char *device, int namespace, goto out; } - s->regs = qemu_vfio_pci_map_bar(s->vfio, 0, 0, NVME_BAR_SIZE, errp); + s->regs = qemu_vfio_pci_map_bar(s->vfio, 0, 0, NVME_BAR_SIZE, + PROT_READ | PROT_WRITE, errp); if (!s->regs) { ret = -EINVAL; goto out; diff --git a/include/qemu/vfio-helpers.h b/include/qemu/vfio-helpers.h index 1f057c2b9e..4491c8e1a6 100644 --- a/include/qemu/vfio-helpers.h +++ b/include/qemu/vfio-helpers.h @@ -22,7 +22,7 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size, int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s); void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host); void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index, - uint64_t offset, uint64_t size, + uint64_t offset, uint64_t size, int prot, Error **errp); void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar, uint64_t offset, uint64_t size); diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 583bdfb36f..9ac307e3d4 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -146,13 +146,13 @@ static int qemu_vfio_pci_init_bar(QEMUVFIOState *s, int index, Error **errp) * Map a PCI bar area. */ void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index, - uint64_t offset, uint64_t size, + uint64_t offset, uint64_t size, int prot, Error **errp) { void *p; assert_bar_index_valid(s, index); p = mmap(NULL, MIN(size, s->bar_region_info[index].size - offset), - PROT_READ | PROT_WRITE, MAP_SHARED, + prot, MAP_SHARED, s->device, s->bar_region_info[index].offset + offset); if (p == MAP_FAILED) { error_setg_errno(errp, errno, "Failed to map BAR region"); |