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| author | Yi Min Zhao <zyimin@linux.vnet.ibm.com> | 2018-02-05 15:22:58 +0800 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2018-02-09 09:37:13 +0100 |
| commit | f9125e3a3163fbc20e1a34f837b2f02b9ac3cd34 (patch) | |
| tree | 8367dc38f994e2b896ae2aaae56e10d602bc3166 | |
| parent | b3f05d8c7f5ef499e7bf7384d7a0507b8a33afe4 (diff) | |
| download | qemu-f9125e3a3163fbc20e1a34f837b2f02b9ac3cd34.zip qemu-f9125e3a3163fbc20e1a34f837b2f02b9ac3cd34.tar.gz qemu-f9125e3a3163fbc20e1a34f837b2f02b9ac3cd34.tar.bz2 | |
s390x/pci: use the right pal and pba in reg_ioat()
When registering ioat, pba should be comprised of leftmost 52 bits and
rightmost 12 binary zeros, and pal should be comprised of leftmost 52
bits and right most 12 binary ones. The lower 12 bits of words 5 and 7
of the FIB are ignored by the facility. Let's fixup this.
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Message-Id: <20180205072258.5968-4-zyimin@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
| -rw-r--r-- | hw/s390x/s390-pci-inst.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 997a9cc..3fcc330 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -865,6 +865,8 @@ static int reg_ioat(CPUS390XState *env, S390PCIIOMMU *iommu, ZpciFib fib, uint8_t dt = (g_iota >> 2) & 0x7; uint8_t t = (g_iota >> 11) & 0x1; + pba &= ~0xfff; + pal |= 0xfff; if (pba > pal || pba < ZPCI_SDMA_ADDR || pal > ZPCI_EDMA_ADDR) { s390_program_interrupt(env, PGM_OPERAND, 6, ra); return -EINVAL; |