github/kata-containers
1
0
Fork 1
mirror of https://github.com/kata-containers/kata-containers.git synced 2025-06-22 13:38:26 +00:00
Code Issues Projects Releases Wiki Activity

qemu: add DisableModern to SCSIController

Browse Source 
DisableModern prevents qemu from relying on fast MMIO.

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes 2018-03-06 11:55:15 -06:00
parent d60256118f
commit 68f3071806
2 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
qemu/qemu.go
View File

@ -838,6 +838,9 @@ type SCSIController struct {
// Addr is the PCI address offset, this is optional
Addr string
// DisableModern prevents qemu from relying on fast MMIO.
DisableModern bool
}
// Valid returns true if the SCSIController structure is valid and complete.
@ -861,6 +864,9 @@ func (scsiCon SCSIController) QemuParams(config *Config) []string {
if scsiCon.Addr != "" {
devParams = append(devParams, fmt.Sprintf("addr=%s", scsiCon.Addr))
}
if scsiCon.DisableModern {
devParams = append(devParams, fmt.Sprintf("disable-modern=true"))
}
qemuParams = append(qemuParams, "-device")
qemuParams = append(qemuParams, strings.Join(devParams, ","))

3
qemu/qemu_test.go
View File

@ -346,7 +346,7 @@ func TestVSOCKValid(t *testing.T) {
}
var deviceSCSIControllerStr = "-device virtio-scsi-pci,id=foo"
var deviceSCSIControllerBusAddrStr = "-device virtio-scsi-pci,id=foo,bus=pci.0,addr=00:04.0"
var deviceSCSIControllerBusAddrStr = "-device virtio-scsi-pci,id=foo,bus=pci.0,addr=00:04.0,disable-modern=true"
func TestAppendDeviceSCSIController(t *testing.T) {
scsiCon := SCSIController{
@ -356,6 +356,7 @@ func TestAppendDeviceSCSIController(t *testing.T) {
scsiCon.Bus = "pci.0"
scsiCon.Addr = "00:04.0"
scsiCon.DisableModern = true
testAppend(scsiCon, deviceSCSIControllerBusAddrStr, t)
}