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mei: restrict vtag support to hbm version 2.2

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The vtag allows partitioning the mei messages into virtual groups/channels.
Vtags are supported for firmwares with HBM version 2.2 and newer
and only when a firmware confirms the support via capability handshake.
This change only define vtag restrictions in order to make
the series bisectable. Everything will be enabled when driver HBM
version is set to 2.2.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-3-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin
2020-08-18 14:51:36 +03:00
committed by Greg Kroah-Hartman
parent e5cab1f974
commit beb4e1e503
4 changed files with 27 additions and 0 deletions
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drivers/misc/mei/debugfs.c
+1
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@@ -103,6 +103,7 @@ static int mei_dbgfs_devstate_show(struct seq_file *m, void *unused)
seq_printf(m, "\tFA: %01d\n", dev->hbm_f_fa_supported);
seq_printf(m, "\tOS: %01d\n", dev->hbm_f_os_supported);
seq_printf(m, "\tDR: %01d\n", dev->hbm_f_dr_supported);
seq_printf(m, "\tVT: %01d\n", dev->hbm_f_vt_supported);
seq_printf(m, "\tCAP: %01d\n", dev->hbm_f_cap_supported);
}