diff options
| author | Yi Min Zhao <zyimin@linux.vnet.ibm.com> | 2016-06-15 17:02:36 +0800 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2016-07-11 09:48:05 +0200 |
| commit | bd4976838d1f2b79d4db68a70ddf8d46e0f8b054 (patch) | |
| tree | d206dbb27b9ce0f5491f0c384af748004f12edc5 /hw/s390x | |
| parent | af9ed379fc6bb662130e17fbc27f6ac0f5909696 (diff) | |
s390x/pci: add checkings in CLP_SET_PCI_FN
The code in CLP_SET_PCI_FN case misses some checkings. Let's add
them.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw/s390x')
| -rw-r--r-- | hw/s390x/s390-pci-inst.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index c84d0eb3b8..8b4f4d47b8 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -212,12 +212,33 @@ int clp_service_call(S390CPU *cpu, uint8_t r2) switch (reqsetpci->oc) { case CLP_SET_ENABLE_PCI_FN: + switch (reqsetpci->ndas) { + case 0: + stw_p(&ressetpci->hdr.rsp, CLP_RC_SETPCIFN_DMAAS); + goto out; + case 1: + break; + default: + stw_p(&ressetpci->hdr.rsp, CLP_RC_SETPCIFN_RES); + goto out; + } + + if (pbdev->fh & FH_MASK_ENABLE) { + stw_p(&ressetpci->hdr.rsp, CLP_RC_SETPCIFN_FHOP); + goto out; + } + pbdev->fh |= FH_MASK_ENABLE; pbdev->state = ZPCI_FS_ENABLED; stl_p(&ressetpci->fh, pbdev->fh); stw_p(&ressetpci->hdr.rsp, CLP_RC_OK); break; case CLP_SET_DISABLE_PCI_FN: + if (!(pbdev->fh & FH_MASK_ENABLE)) { + stw_p(&ressetpci->hdr.rsp, CLP_RC_SETPCIFN_FHOP); + goto out; + } + device_reset(DEVICE(pbdev)); pbdev->fh &= ~FH_MASK_ENABLE; pbdev->state = ZPCI_FS_DISABLED; stl_p(&ressetpci->fh, pbdev->fh); |