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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 /Documentation/vfio.txt | |
| parent | ec33d36e5ab5d52d59a8f696f7efb682bfc58494 (diff) | |
| download | linux-68cbbc3a9d1fc231810b2490bca73b3b444ef542.tar.bz2 | |
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 'Documentation/vfio.txt')
| -rw-r--r-- | Documentation/vfio.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/vfio.txt b/Documentation/vfio.txt index 96978eced341..4c746a7e717a 100644 --- a/Documentation/vfio.txt +++ b/Documentation/vfio.txt @@ -385,6 +385,18 @@ The code flow from the example above should be slightly changed: .... + /* Inject EEH error, which is expected to be caused by 32-bits + * config load. + */ + pe_op.op = VFIO_EEH_PE_INJECT_ERR; + pe_op.err.type = EEH_ERR_TYPE_32; + pe_op.err.func = EEH_ERR_FUNC_LD_CFG_ADDR; + pe_op.err.addr = 0ul; + pe_op.err.mask = 0ul; + ioctl(container, VFIO_EEH_PE_OP, &pe_op); + + .... + /* When 0xFF's returned from reading PCI config space or IO BARs * of the PCI device. Check the PE's state to see if that has been * frozen. |