diff options
Diffstat (limited to 'lib/dma.h')
| -rw-r--r-- | lib/dma.h | 13 |
1 files changed, 6 insertions, 7 deletions
@@ -76,6 +76,7 @@ #include "libvfio-user.h" #include "common.h" +#include "private.h" #define iov_end(iov) ((iov)->iov_base + (iov)->iov_len) @@ -89,7 +90,7 @@ typedef struct { char *dirty_bitmap; // Dirty page bitmap } dma_memory_region_t; -typedef struct { +typedef struct dma_controller { int max_regions; int nregions; struct vfu_ctx *vfu_ctx; @@ -187,8 +188,7 @@ dma_init_sg(const dma_controller_t *dma, dma_sg_t *sg, vfu_dma_addr_t dma_addr, const dma_memory_region_t *const region = &dma->regions[region_index]; if ((prot & PROT_WRITE) && !(region->info.prot & PROT_WRITE)) { - errno = EACCES; - return -1; + return ERROR_INT(EACCES); } sg->dma_addr = region->info.iova.iov_base; @@ -260,12 +260,12 @@ dma_map_sg(dma_controller_t *dma, const dma_sg_t *sg, struct iovec *iov, for (i = 0; i < cnt; i++) { if (sg[i].region >= dma->nregions) { - return -EINVAL; + return ERROR_INT(EINVAL); } region = &dma->regions[sg[i].region]; if (region->info.vaddr == NULL) { - return -EFAULT; + return ERROR_INT(EFAULT); } vfu_log(dma->vfu_ctx, LOG_DEBUG, "map %p-%p", @@ -304,13 +304,12 @@ dma_unmap_sg(dma_controller_t *dma, const dma_sg_t *sg, sg[i].dma_addr + sg[i].offset + sg[i].length); r->refcnt--; } - return; } int dma_controller_dirty_page_logging_start(dma_controller_t *dma, size_t pgsize); -int +void dma_controller_dirty_page_logging_stop(dma_controller_t *dma); int |