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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-02-07 23:35:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 14:47:20 -0800 |
| commit | 27f476ea98ed495839662db4e3a76357bbeb1bb3 (patch) | |
| tree | a2d798f854cf1f8194ae4ab1763922251cdb9436 /drivers/misc/mei/hw.h | |
| parent | a816a00ece63d16ade7e9c0ca8b5a7e4c5ea2453 (diff) | |
| download | linux-stable-27f476ea98ed495839662db4e3a76357bbeb1bb3.tar.gz linux-stable-27f476ea98ed495839662db4e3a76357bbeb1bb3.tar.bz2 linux-stable-27f476ea98ed495839662db4e3a76357bbeb1bb3.zip | |
mei: hbm: send immediate reply flag in enum request
Signal the FW that it can send an HBM enumeration answer immediately,
without waiting for FW initialization completion, meaning before
all the FW clients are ready and registered.
Organize enumeration response options to enum as a byproduct.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw.h')
| -rw-r--r-- | drivers/misc/mei/hw.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index 459ad596df66..9daf3f9aed25 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -53,6 +53,12 @@ #define HBM_MAJOR_VERSION_DC 2 /* + * MEI version with immediate reply to enum request support + */ +#define HBM_MINOR_VERSION_IE 0 +#define HBM_MAJOR_VERSION_IE 2 + +/* * MEI version with disconnect on connection timeout support */ #define HBM_MINOR_VERSION_DOT 0 @@ -246,15 +252,26 @@ struct hbm_me_stop_request { } __packed; /** - * struct hbm_host_enum_request - enumeration request from host to fw + * enum hbm_host_enum_flags - enumeration request flags (HBM version >= 2.0) * - * @hbm_cmd: bus message command header - * @allow_add: allow dynamic clients add HBM version >= 2.0 + * @MEI_HBM_ENUM_F_ALLOW_ADD: allow dynamic clients add + * @MEI_HBM_ENUM_F_IMMEDIATE_ENUM: allow FW to send answer immediately + */ +enum hbm_host_enum_flags { + MEI_HBM_ENUM_F_ALLOW_ADD = BIT(0), + MEI_HBM_ENUM_F_IMMEDIATE_ENUM = BIT(1), +}; + +/** + * struct hbm_host_enum_request - enumeration request from host to fw + * + * @hbm_cmd : bus message command header + * @flags : request flags * @reserved: reserved */ struct hbm_host_enum_request { u8 hbm_cmd; - u8 allow_add; + u8 flags; u8 reserved[2]; } __packed; |