diff options
| author | Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org> | 2025-10-29 14:09:43 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2026-02-06 14:55:41 +0000 |
| commit | 73ab91aaade5f33459fda16d9daf6526ab668c42 (patch) | |
| tree | 6dc495497696e20884db75e4573f909b8567800e | |
| parent | 8bdcfc2a3febcd1aade1d9a3a8a87581c7b2928d (diff) | |
bhyve/virtio-scsi: Unlimit max_sectors
The old default of 2 for max_sectors limits performance significantly
with guest systems where the virtio-scsi driver actually honors this
value.
As CTL doesn't seem to have any limit of the maximum size of a single
transfer, set this to INT32_MAX by default.
Reviewed by: corvink
Differential Revision: https://reviews.freebsd.org/D53466
| -rw-r--r-- | usr.sbin/bhyve/pci_virtio_scsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/usr.sbin/bhyve/pci_virtio_scsi.c b/usr.sbin/bhyve/pci_virtio_scsi.c index c7d930b0f4ee..bb0b18c51571 100644 --- a/usr.sbin/bhyve/pci_virtio_scsi.c +++ b/usr.sbin/bhyve/pci_virtio_scsi.c @@ -308,7 +308,8 @@ pci_vtscsi_reset(void *vsc) .num_queues = VTSCSI_REQUESTQ, /* Leave room for the request and the response. */ .seg_max = VTSCSI_MAXSEG - 2, - .max_sectors = 2, + /* CTL apparently doesn't have a limit here */ + .max_sectors = INT32_MAX, .cmd_per_lun = 1, .event_info_size = sizeof(struct pci_vtscsi_event), .sense_size = 96, |