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[Qemu-devel] [PATCH 12/17] s390x/pci: add checkings in CLP_SET_PCI_FN
From: |
Cornelia Huck |
Subject: |
[Qemu-devel] [PATCH 12/17] s390x/pci: add checkings in CLP_SET_PCI_FN |
Date: |
Fri, 24 Jun 2016 15:29:01 +0200 |
From: Yi Min Zhao <address@hidden>
The code in CLP_SET_PCI_FN case misses some checkings. Let's add
them.
Signed-off-by: Yi Min Zhao <address@hidden>
Reviewed-by: Pierre Morel <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
hw/s390x/s390-pci-inst.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index c84d0eb..8b4f4d4 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);
--
2.9.0
- [Qemu-devel] [PATCH 00/17] s390x: the big pci update, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 05/17] s390x/pci: refactor s390_pci_find_dev_by_fh, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 16/17] s390x/pci: replace fid with idx in msg data of msix, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 17/17] s390x/pci: make hot-unplug handler smoother, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 08/17] s390x/pci: introduce S390PCIIOMMU, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 15/17] s390x/pci: fix stpcifc_service_call, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 04/17] s390x/pci: unify FH_ macros, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 03/17] s390x/pci: write fid in CLP_QUERY_PCI_FN, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 10/17] s390x/pci: enable uid-checking, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 12/17] s390x/pci: add checkings in CLP_SET_PCI_FN,
Cornelia Huck <=
- [Qemu-devel] [PATCH 06/17] s390x/pci: enforce zPCI state checking, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 01/17] s390x/pci: fix failures of dma map/unmap, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 02/17] s390x/pci: acceleration for getting S390pciState, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 09/17] s390x/pci: introduce S390PCIBusDevice qdev, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 11/17] s390x/pci: enable zpci hot-plug/hot-unplug, Cornelia Huck, 2016/06/24
- [Qemu-devel] [PATCH 07/17] s390x/pci: introduce S390PCIBus, Cornelia Huck, 2016/06/24