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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2021-02-06 15:43:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-06 15:48:11 +0100 |
| commit | 369aea84595189200a2e6b028f556a7efa0ec489 (patch) | |
| tree | e2ff0302ffdfd42be31883901a02fd83e9db623c /drivers/misc/mei/interrupt.c | |
| parent | mei: hbm: add client dma hbm messages (diff) | |
| download | linux-369aea84595189200a2e6b028f556a7efa0ec489.tar.xz linux-369aea84595189200a2e6b028f556a7efa0ec489.zip | |
mei: implement client dma setup.
Implement HBM message protocol to setup and tear down
DMA buffer on behalf of an client. On top there DMA
buffer allocation and its life time management.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210206144325.25682-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/interrupt.c')
| -rw-r--r-- | drivers/misc/mei/interrupt.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 2161c1234ad7..a98f6b895af7 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -547,6 +547,16 @@ int mei_irq_write_handler(struct mei_device *dev, struct list_head *cmpl_list) if (ret) return ret; break; + case MEI_FOP_DMA_MAP: + ret = mei_cl_irq_dma_map(cl, cb, cmpl_list); + if (ret) + return ret; + break; + case MEI_FOP_DMA_UNMAP: + ret = mei_cl_irq_dma_unmap(cl, cb, cmpl_list); + if (ret) + return ret; + break; default: BUG(); } |