linux-stable.git/drivers/misc/mei, branch v5.10.78 Linux kernel stable tree mei: me: add Ice Lake-N device id. 2021-10-20T09:44:59+00:00 Andy Shevchenko andriy.shevchenko@linux.intel.com 2021-10-01T17:36:44+00:00 9f0d6c781cb5ebb03a2ae80d94cfedf2e0d1b4e3 commit 75c10c5e7a715550afdd51ef8cfd1d975f48f9e1 upstream. Add Ice Lake-N device ID. The device can be found on MacBookPro16,2 [1]. [1]: https://linux-hardware.org/?probe=f1c5cf0c43 Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20211001173644.16068-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 75c10c5e7a715550afdd51ef8cfd1d975f48f9e1 upstream.

Add Ice Lake-N device ID.

The device can be found on MacBookPro16,2 [1].

[1]: https://linux-hardware.org/?probe=f1c5cf0c43

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211001173644.16068-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: request autosuspend after sending rx flow control 2021-06-03T07:00:32+00:00 Alexander Usyskin alexander.usyskin@intel.com 2021-05-26T19:33:34+00:00 ead51afc7f0d01747f77e2f0ae934de69425bcc7 commit bbf0a94744edfeee298e4a9ab6fd694d639a5cdf upstream. A rx flow control waiting in the control queue may block autosuspend. Re-request autosuspend after flow control been sent to unblock the transition to the low power state. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210526193334.445759-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit bbf0a94744edfeee298e4a9ab6fd694d639a5cdf upstream.

A rx flow control waiting in the control queue may block autosuspend.
Re-request autosuspend after flow control been sent to unblock
the transition to the low power state.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210526193334.445759-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: me: add Alder Lake P device id. 2021-05-02T09:06:09+00:00 Tomas Winkler tomas.winkler@intel.com 2021-04-14T04:52:00+00:00 47d54b99010363ab6f0f6dae582cff517c283946 commit 0df74278faedf20f9696bf2755cf0ce34afa4c3a upstream. Add Alder Lake P device ID. Cc: <stable@vger.kernel.org> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210414045200.3498241-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 0df74278faedf20f9696bf2755cf0ce34afa4c3a upstream.

Add Alder Lake P device ID.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210414045200.3498241-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: me: add adler lake point LP DID 2021-03-04T10:38:40+00:00 Alexander Usyskin alexander.usyskin@intel.com 2021-01-29T12:07:52+00:00 548d83e8b6ddb39d6f1216bf2a3c401c951fe53d commit 930c922a987a02936000f15ea62988b7a39c27f5 upstream. Add Adler Lake LP device id. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210129120752.850325-7-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 930c922a987a02936000f15ea62988b7a39c27f5 upstream.

Add Adler Lake LP device id.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210129120752.850325-7-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: me: add adler lake point S DID 2021-03-04T10:38:40+00:00 Alexander Usyskin alexander.usyskin@intel.com 2021-01-29T12:07:51+00:00 fd7fafa048a712dccc451b827956e4dccf11d89d commit f7545efaf7950b240de6b8a20b9c3ffd7278538e upstream. Add Adler Lake S device id. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210129120752.850325-6-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit f7545efaf7950b240de6b8a20b9c3ffd7278538e upstream.

Add Adler Lake S device id.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210129120752.850325-6-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: me: emmitsburg workstation DID 2021-03-04T10:38:40+00:00 Tomas Winkler tomas.winkler@intel.com 2021-01-29T12:07:50+00:00 df000e9dc62ab1dc0a9c4465a3895b3e69124e59 commit 372726cb3957dbd69ded9a4e3419d5c6c3bc648e upstream. Add Emmitsburg workstation DID. Cc: <stable@vger.kernel.org> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210129120752.850325-5-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 372726cb3957dbd69ded9a4e3419d5c6c3bc648e upstream.

Add Emmitsburg workstation DID.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210129120752.850325-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: fix transfer over dma with extended header 2021-03-04T10:38:40+00:00 Alexander Usyskin alexander.usyskin@intel.com 2021-01-29T12:07:46+00:00 30e24dcab1a74e4ed0355d3f6ce431084d7493af commit 1309ecc90f16ee9cc3077761e7f4474369747e6e upstream. The size in header field for packet transferred over DMA includes size of the extended header. Include extended header in size check. Add size and sanity checks on extended header. Cc: <stable@vger.kernel.org> # v5.10+ Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210129120752.850325-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 1309ecc90f16ee9cc3077761e7f4474369747e6e upstream.

The size in header field for packet transferred over DMA
includes size of the extended header.
Include extended header in size check.
Add size and sanity checks on extended header.

Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210129120752.850325-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: hbm: call mei_set_devstate() on hbm stop response 2021-03-04T10:38:12+00:00 Alexander Usyskin alexander.usyskin@intel.com 2021-01-29T12:07:48+00:00 bede9ad9196cf420c55ff89c28b2e486affc5fd0 [ Upstream commit 3a77df62deb2e62de0dc26c1cb763cc152329287 ] Use mei_set_devstate() wrapper upon hbm stop command response, to trigger sysfs event. Fixes: 43b8a7ed4739 ("mei: expose device state in sysfs") Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210129120752.850325-3-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 3a77df62deb2e62de0dc26c1cb763cc152329287 ]

Use mei_set_devstate() wrapper upon hbm stop command response,
to trigger sysfs event.

Fixes: 43b8a7ed4739 ("mei: expose device state in sysfs")
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210129120752.850325-3-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Revert "mei: virtio: virtualization frontend driver" 2020-12-06T09:36:17+00:00 Michael S. Tsirkin mst@redhat.com 2020-12-05T19:38:46+00:00 264f53b41946dcabb2b3304190839ab5670c7825 This reverts commit d162219c655c8cf8003128a13840d6c1e183fb80. The device uses a VIRTIO device ID out of a not-for-production range. Releasing Linux using an ID out of this range will make it conflict with development setups. An official request to reserve an ID for an MEI device is yet to be submitted to the virtio TC, thus there's no chance it will be reserved and fixed in time before the next release. Once requested it usually takes 2-3 weeks to land in the spec, which means the device can be supported with the official ID in the next Linux version if contributors act quickly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Alexander Usyskin <alexander.usyskin@intel.com> Cc: Wang Yu <yu1.wang@intel.com> Cc: Liu Shuo <shuo.a.liu@intel.com> Link: https://lore.kernel.org/r/20201205193625.469773-1-mst@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This reverts commit d162219c655c8cf8003128a13840d6c1e183fb80.

The device uses a VIRTIO device ID out of a not-for-production range.
Releasing Linux using an ID out of this range will make it conflict with
development setups. An official request to reserve an ID for an MEI
device is yet to be submitted to the virtio TC, thus there's no chance
it will be reserved and fixed in time before the next release.

Once requested it usually takes 2-3 weeks to land in the spec, which
means the device can be supported with the official ID in the next Linux
version if contributors act quickly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Wang Yu <yu1.wang@intel.com>
Cc: Liu Shuo <shuo.a.liu@intel.com>
Link: https://lore.kernel.org/r/20201205193625.469773-1-mst@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei: protect mei_cl_mtu from null dereference 2020-11-03T09:13:48+00:00 Alexander Usyskin alexander.usyskin@intel.com 2020-10-29T09:54:42+00:00 bcbc0b2e275f0a797de11a10eff495b4571863fc A receive callback is queued while the client is still connected but can still be called after the client was disconnected. Upon disconnect cl->me_cl is set to NULL, hence we need to check that ME client is not-NULL in mei_cl_mtu to avoid null dereference. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20201029095444.957924-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
A receive callback is queued while the client is still connected
but can still be called after the client was disconnected. Upon
disconnect cl->me_cl is set to NULL, hence we need to check
that ME client is not-NULL in mei_cl_mtu to avoid
null dereference.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20201029095444.957924-2-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>