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| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2015-03-26 16:42:09 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-05-12 20:33:35 +1000 |
| commit | 68cbbc3a9d1fc231810b2490bca73b3b444ef542 (patch) | |
| tree | aa46575bc541b0680021a47e80df098bcc16789b /drivers/vfio | |
| parent | ec33d36e5ab5d52d59a8f696f7efb682bfc58494 (diff) | |
| download | lwn-68cbbc3a9d1fc231810b2490bca73b3b444ef542.tar.gz lwn-68cbbc3a9d1fc231810b2490bca73b3b444ef542.zip | |
drivers/vfio: Support EEH error injection
The patch adds one more EEH sub-command (VFIO_EEH_PE_INJECT_ERR)
to inject the specified EEH error, which is represented by
(struct vfio_eeh_pe_err), to the indicated PE for testing purpose.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/vfio_spapr_eeh.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/vfio/vfio_spapr_eeh.c b/drivers/vfio/vfio_spapr_eeh.c index 5fa42db769ee..38edeb4729a9 100644 --- a/drivers/vfio/vfio_spapr_eeh.c +++ b/drivers/vfio/vfio_spapr_eeh.c @@ -85,6 +85,16 @@ long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, case VFIO_EEH_PE_CONFIGURE: ret = eeh_pe_configure(pe); break; + case VFIO_EEH_PE_INJECT_ERR: + minsz = offsetofend(struct vfio_eeh_pe_op, err.mask); + if (op.argsz < minsz) + return -EINVAL; + if (copy_from_user(&op, (void __user *)arg, minsz)) + return -EFAULT; + + ret = eeh_pe_inject_err(pe, op.err.type, op.err.func, + op.err.addr, op.err.mask); + break; default: ret = -EINVAL; } |