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PR implementation

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This commit is contained in:
Le Zhang
2016-10-25 10:34:13 +08:00
parent f724702ecb
commit 82e6d230a2
19 changed files with 2382 additions and 75 deletions
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37
pkg/scsi/sbc.go
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@@ -45,6 +45,16 @@ func (sbc SBCSCSIDeviceProtocol) PerformCommand(opcode int) interface{} {
return sbc.SCSIDeviceOps[opcode]
}
func (sbc SBCSCSIDeviceProtocol) PerformServiceAction(opcode int, action uint8) interface{} {
var sa *SCSIServiceAction
for _, sa = range sbc.SCSIDeviceOps[opcode].ServiceAction {
if sa.ServiceAction == action {
return sa
}
}
return nil
}
func (sbc SBCSCSIDeviceProtocol) InitLu(lu *api.SCSILu) error {
// init LU's phy attribute
lu.Attrs.DeviceType = sbc.DeviceType
@@ -158,8 +168,23 @@ func NewSBCDevice(deviceType api.SCSIDeviceType) api.SCSIDeviceProtocol {
sbc.SCSIDeviceOps[api.MODE_SELECT_10] = NewSCSIDeviceOperation(SBCModeSelect, nil, PR_WE_FA|PR_EA_FA|PR_EA_FN|PR_WE_FN)
sbc.SCSIDeviceOps[api.MODE_SENSE_10] = NewSCSIDeviceOperation(SBCModeSense, nil, PR_WE_FA|PR_WE_FN|PR_EA_FA|PR_EA_FN)
sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_IN] = NewSCSIDeviceOperation(SPCIllegalOp, nil, 0)
sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_OUT] = NewSCSIDeviceOperation(SPCIllegalOp, nil, 0)
sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_IN] = NewSCSIDeviceOperation(SPCServiceAction, []*SCSIServiceAction{
{ServiceAction: PR_IN_READ_KEYS, CommandPerformFunc: SPCPRReadKeys},
{ServiceAction: PR_IN_READ_RESERVATION, CommandPerformFunc: SPCPRReadReservation},
{ServiceAction: PR_IN_REPORT_CAPABILITIES, CommandPerformFunc: SPCPRReportCapabilities},
}, 0)
sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_OUT] = NewSCSIDeviceOperation(SPCServiceAction, []*SCSIServiceAction{
{ServiceAction: PR_OUT_REGISTER, CommandPerformFunc: SPCPRRegister},
{ServiceAction: PR_OUT_RESERVE, CommandPerformFunc: SPCPRReserve},
{ServiceAction: PR_OUT_RELEASE, CommandPerformFunc: SPCPRRelease},
{ServiceAction: PR_OUT_CLEAR, CommandPerformFunc: SPCPRClear},
{ServiceAction: PR_OUT_PREEMPT, CommandPerformFunc: SPCPRPreempt},
// {ServiceAction: PR_OUT_PREEMPT_AND_ABORT, CommandPerformFunc: SPCPRPreempt},
{ServiceAction: PR_OUT_REGISTER_AND_IGNORE_EXISTING_KEY, CommandPerformFunc: SPCPRRegister},
{ServiceAction: PR_OUT_REGISTER_AND_MOVE, CommandPerformFunc: SPCPRRegisterAndMove},
}, 0)
sbc.SCSIDeviceOps[api.READ_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
sbc.SCSIDeviceOps[api.WRITE_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN|PR_WE_FA|PR_WE_FN)
@@ -173,8 +198,10 @@ func NewSBCDevice(deviceType api.SCSIDeviceType) api.SCSIDeviceProtocol {
sbc.SCSIDeviceOps[api.SERVICE_ACTION_IN] = NewSCSIDeviceOperation(SBCServiceAction, nil, 0)
sbc.SCSIDeviceOps[api.REPORT_LUNS] = NewSCSIDeviceOperation(SPCReportLuns, nil, 0)
sbc.SCSIDeviceOps[api.MAINT_PROTOCOL_IN] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
sbc.SCSIDeviceOps[api.EXCHANGE_MEDIUM] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
sbc.SCSIDeviceOps[api.MAINT_PROTOCOL_IN] = NewSCSIDeviceOperation(SPCServiceAction, []*SCSIServiceAction{
{ServiceAction: 0x0C, CommandPerformFunc: SPCReportSupportedOperationCodes},
}, 0)
sbc.SCSIDeviceOps[api.EXCHANGE_MEDIUM] = NewSCSIDeviceOperation(SPCIllegalOp, nil, 0)
sbc.SCSIDeviceOps[api.READ_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
sbc.SCSIDeviceOps[api.WRITE_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_WE_FA|PR_EA_FA|PR_WE_FA|PR_WE_FN)
sbc.SCSIDeviceOps[api.WRITE_VERIFY_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
@@ -431,7 +458,7 @@ func SBCReserve(host int, cmd *api.SCSICommand) api.SAMStat {
func SBCRelease(host int, cmd *api.SCSICommand) api.SAMStat {
lun := *(*uint64)(unsafe.Pointer(&cmd.Lun))
if err := deviceRelease(cmd.Target.TID, cmd.CommandITNID, lun, false); err != nil {
if err := deviceRelease(cmd.Target.TID, cmd.ITNexusID, lun, false); err != nil {
return api.SAMStatReservationConflict
}