diff options
| author | Kevin O'Connor <kevin@koconnor.net> | 2017-07-11 12:30:26 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2017-09-27 19:02:34 -0400 |
| commit | f3d2a156448f006e5d83eb60cb1da2dea6c997bf (patch) | |
| tree | 618e0b3a309bbd60ea8cf4b713091a269d302aa3 /src/hw/virtio-blk.c | |
| parent | e5a0b6163703627728f978d079d8c5f449af5fdd (diff) | |
| download | seabios-f3d2a156448f006e5d83eb60cb1da2dea6c997bf.tar.gz | |
virtio: Allocate drive_s storage in low memory
Use the "low" memory segment instead of the f-segment for the drive_s
storage. This can help avoid running out of memory in the f-segment.
Tested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/hw/virtio-blk.c')
| -rw-r--r-- | src/hw/virtio-blk.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/hw/virtio-blk.c b/src/hw/virtio-blk.c index ad162007..88d7e54a 100644 --- a/src/hw/virtio-blk.c +++ b/src/hw/virtio-blk.c @@ -32,9 +32,9 @@ struct virtiodrive_s { static int virtio_blk_op(struct disk_op_s *op, int write) { - struct virtiodrive_s *vdrive_gf = + struct virtiodrive_s *vdrive = container_of(op->drive_fl, struct virtiodrive_s, drive); - struct vring_virtqueue *vq = vdrive_gf->vq; + struct vring_virtqueue *vq = vdrive->vq; struct virtio_blk_outhdr hdr = { .type = write ? VIRTIO_BLK_T_OUT : VIRTIO_BLK_T_IN, .ioprio = 0, @@ -48,7 +48,7 @@ virtio_blk_op(struct disk_op_s *op, int write) }, { .addr = op->buf_fl, - .length = vdrive_gf->drive.blksize * op->count, + .length = vdrive->drive.blksize * op->count, }, { .addr = (void*)(&status), @@ -61,7 +61,7 @@ virtio_blk_op(struct disk_op_s *op, int write) vring_add_buf(vq, sg, 2, 1, 0, 0); else vring_add_buf(vq, sg, 1, 2, 0, 0); - vring_kick(&vdrive_gf->vp, vq, 1); + vring_kick(&vdrive->vp, vq, 1); /* Wait for reply */ while (!vring_more_used(vq)) @@ -73,7 +73,7 @@ virtio_blk_op(struct disk_op_s *op, int write) /* Clear interrupt status register. Avoid leaving interrupts stuck if * VRING_AVAIL_F_NO_INTERRUPT was ignored and interrupts were raised. */ - vp_get_isr(&vdrive_gf->vp); + vp_get_isr(&vdrive->vp); return status == VIRTIO_BLK_S_OK ? DISK_RET_SUCCESS : DISK_RET_EBADTRACK; } @@ -99,7 +99,7 @@ init_virtio_blk(void *data) struct pci_device *pci = data; u8 status = VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER; dprintf(1, "found virtio-blk at %pP\n", pci); - struct virtiodrive_s *vdrive = malloc_fseg(sizeof(*vdrive)); + struct virtiodrive_s *vdrive = malloc_low(sizeof(*vdrive)); if (!vdrive) { warn_noalloc(); return; |