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| author | Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com> | 2019-04-23 17:15:00 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-10-17 00:17:07 +0000 |
| commit | bed8b0017d2cb283c20dc50241adb4f5b2668489 (patch) | |
| tree | 7a76e936a9e1aede56c08c112ca7d436ab8d9e98 /usb_util | |
| parent | 04a82c7be173b2068c4254ed4a129e24e9e3a2e4 (diff) | |
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vfio: Add msi support
crosvm doesn't support MSI/MSI-x, but kvmgt vgpu support MSI only through cfg msi capability. This is a simple msi implementation, it detects msi capability and track msi control, data and address info, then call vfio kernel to enable / disable msi interrupt. Currently it supports one vetor per MSI. It could extend to multi vetors and MSI-x. BUG=chromium:992270 TEST=none Change-Id: I04fc95f23a07f9698237c014d9f909d011f447ef Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1581142 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Diffstat (limited to 'usb_util')
0 files changed, 0 insertions, 0 deletions