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author | Tomas Winkler <tomas.winkler@intel.com> | 2022-09-28 02:41:32 +0200 |
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committer | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2022-10-03 20:29:08 +0200 |
commit | 5d5bc18971543e82f6adf0b31745cf6545bc47a7 (patch) | |
tree | d80e3e3742473de28652174cb5bb3eb22584d287 /drivers/misc/mei/mei_dev.h | |
parent | mei: add support to GSC extended header (diff) | |
download | linux-5d5bc18971543e82f6adf0b31745cf6545bc47a7.tar.xz linux-5d5bc18971543e82f6adf0b31745cf6545bc47a7.zip |
mei: bus: enable sending gsc commands
GSC command is and extended header containing a scatter gather
list and without a data buffer. Using MEI_CL_IO_SGL flag,
the caller send the GSC command as a data and the function internally
moves it to the extended header.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Vitaly Lubart <vitaly.lubart@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-3-daniele.ceraolospurio@intel.com
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
-rw-r--r-- | drivers/misc/mei/mei_dev.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 31784bbc2d2a..8d8018428d9d 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -116,12 +116,16 @@ enum mei_cb_file_ops { * @MEI_CL_IO_TX_INTERNAL: internal communication between driver and FW * * @MEI_CL_IO_RX_NONBLOCK: recv is non-blocking + * + * @MEI_CL_IO_SGL: send command with sgl list. */ enum mei_cl_io_mode { MEI_CL_IO_TX_BLOCKING = BIT(0), MEI_CL_IO_TX_INTERNAL = BIT(1), MEI_CL_IO_RX_NONBLOCK = BIT(2), + + MEI_CL_IO_SGL = BIT(3), }; /* |