RE: [Intel-gfx] [PATCH v7 09/15] mei: bus: export common mkhi definitions into a separate header

From: Winkler, Tomas
Date: Sat Sep 03 2022 - 06:05:19 EST



>
>
> On 8/6/2022 5:26 AM, Tomas Winkler wrote:
> > From: Vitaly Lubart <vitaly.lubart@xxxxxxxxx>
> >
> > Exported common mkhi definitions from bus-fixup.c into a separate
> > header file mkhi.h for other driver usage.
> >
> > Signed-off-by: Vitaly Lubart <vitaly.lubart@xxxxxxxxx>
> > Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
> > Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
> > ---
> > drivers/misc/mei/bus-fixup.c | 31 +------------------------
> > drivers/misc/mei/mkhi.h | 45
> ++++++++++++++++++++++++++++++++++++
> > 2 files changed, 46 insertions(+), 30 deletions(-)
> > create mode 100644 drivers/misc/mei/mkhi.h
> >
> > diff --git a/drivers/misc/mei/bus-fixup.c
> > b/drivers/misc/mei/bus-fixup.c index 24e91a9ea558..811c94ebf250 100644
> > --- a/drivers/misc/mei/bus-fixup.c
> > +++ b/drivers/misc/mei/bus-fixup.c
> > @@ -15,6 +15,7 @@
> >
> > #include "mei_dev.h"
> > #include "client.h"
> > +#include "mkhi.h"
> >
> > #define MEI_UUID_NFC_INFO UUID_LE(0xd2de1625, 0x382d, 0x417d, \
> > 0x48, 0xa4, 0xef, 0xab, 0xba, 0x8a, 0x12, 0x06) @@ -
> 89,20 +90,6
> > @@ struct mei_os_ver {
> > u8 reserved2;
> > } __packed;
> >
> > -#define MKHI_FEATURE_PTT 0x10
> > -
> > -struct mkhi_rule_id {
> > - __le16 rule_type;
> > - u8 feature_id;
> > - u8 reserved;
> > -} __packed;
> > -
> > -struct mkhi_fwcaps {
> > - struct mkhi_rule_id id;
> > - u8 len;
> > - u8 data[];
> > -} __packed;
> > -
> > struct mkhi_fw_ver_block {
> > u16 minor;
> > u8 major;
> > @@ -115,22 +102,6 @@ struct mkhi_fw_ver {
> > struct mkhi_fw_ver_block ver[MEI_MAX_FW_VER_BLOCKS];
> > } __packed;
> >
> > -#define MKHI_FWCAPS_GROUP_ID 0x3
> > -#define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6 -#define
> > MKHI_GEN_GROUP_ID 0xFF -#define
> MKHI_GEN_GET_FW_VERSION_CMD 0x2
> > -struct mkhi_msg_hdr {
> > - u8 group_id;
> > - u8 command;
> > - u8 reserved;
> > - u8 result;
> > -} __packed;
> > -
> > -struct mkhi_msg {
> > - struct mkhi_msg_hdr hdr;
> > - u8 data[];
> > -} __packed;
> > -
> > #define MKHI_OSVER_BUF_LEN (sizeof(struct mkhi_msg_hdr) + \
> > sizeof(struct mkhi_fwcaps) + \
> > sizeof(struct mei_os_ver))
> > diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h new
> > file mode 100644 index 000000000000..27a9b476904e
> > --- /dev/null
> > +++ b/drivers/misc/mei/mkhi.h
> > @@ -0,0 +1,45 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * Copyright (c) 2003-2020, Intel Corporation. All rights reserved.
>
> 2022 (can fix when merging)
>
> > + * Intel Management Engine Interface (Intel MEI) Linux driver */
> > +
> > +#ifndef _MEI_MKHI_H_
> > +#define _MEI_MKHI_H_
> > +
> > +#include "mei_dev.h"
>
> Any reason you need the full mei_dev.h and not just linux/types.h ?
<linux/types.h> is enough
>
> > +
> > +#define MKHI_FEATURE_PTT 0x10
> > +
> > +#define MKHI_FWCAPS_GROUP_ID 0x3
> > +#define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6 #define
> > +MKHI_GEN_GROUP_ID 0xFF #define
> MKHI_GEN_GET_FW_VERSION_CMD 0x2
> > +
> > +#define MCHI_GROUP_ID 0xA
>
> This is new and doesn't seem to be used in follow-up patches. Any reason for
> adding it in?


Will drop.

>
> Daniele
>