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Diffstat (limited to 'Documentation/virtual/kvm/devices/xive.txt')
| -rw-r--r-- | Documentation/virtual/kvm/devices/xive.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/xive.txt b/Documentation/virtual/kvm/devices/xive.txt index cd8bfc37b72e..33c64b2cdbe8 100644 --- a/Documentation/virtual/kvm/devices/xive.txt +++ b/Documentation/virtual/kvm/devices/xive.txt @@ -32,3 +32,24 @@ the legacy interrupt mode, referred as XICS (POWER7/8). -ENOMEM: Could not create a new source block -EFAULT: Invalid user pointer for attr->addr. -ENXIO: Could not allocate underlying HW interrupt + + 3. KVM_DEV_XIVE_GRP_SOURCE_CONFIG (write only) + Configures source targeting + Attributes: + Interrupt source number (64-bit) + The kvm_device_attr.addr points to a __u64 value: + bits: | 63 .... 33 | 32 | 31 .. 3 | 2 .. 0 + values: | eisn | mask | server | priority + - priority: 0-7 interrupt priority level + - server: CPU number chosen to handle the interrupt + - mask: mask flag (unused) + - eisn: Effective Interrupt Source Number + Errors: + -ENOENT: Unknown source number + -EINVAL: Not initialized source number + -EINVAL: Invalid priority + -EINVAL: Invalid CPU number. + -EFAULT: Invalid user pointer for attr->addr. + -ENXIO: CPU event queues not configured or configuration of the + underlying HW interrupt failed + -EBUSY: No CPU available to serve interrupt |