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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-08-18 14:51:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 16:44:44 +0300 |
| commit | f35fe5f47ed0ea532a81603cac13a259d056c077 (patch) | |
| tree | 29a00e1b4cb94611fb4540ef9fb01dd4713abc4e /drivers/misc/mei/mei_dev.h | |
| parent | d1376f3d89d5177dae7cae40f3f9fdf73e9bfec9 (diff) | |
| download | linux-f35fe5f47ed0ea532a81603cac13a259d056c077.tar.xz | |
mei: add a vtag map for each client
Vtag map is a list of tuples of vtag and file pointer (struct
mei_cl_vtag) associated with a particular me host client.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-8-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 1219edea3243..2f4cc1a8aae8 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -194,6 +194,21 @@ struct mei_cl_cb { }; /** + * struct mei_cl_vtag - file pointer to vtag mapping structure + * + * @list: link in map queue + * @fp: file pointer + * @vtag: corresponding vtag + * @pending_read: the read is pending on this file + */ +struct mei_cl_vtag { + struct list_head list; + const struct file *fp; + u8 vtag; + u8 pending_read:1; +}; + +/** * struct mei_cl - me client host representation * carried in file->private_data * @@ -209,6 +224,7 @@ struct mei_cl_cb { * @me_cl: fw client connected * @fp: file associated with client * @host_client_id: host id + * @vtag_map: vtag map * @tx_flow_ctrl_creds: transmit flow credentials * @rx_flow_ctrl_creds: receive flow credentials * @timer_count: watchdog timer for operation completion @@ -235,6 +251,7 @@ struct mei_cl { struct mei_me_client *me_cl; const struct file *fp; u8 host_client_id; + struct list_head vtag_map; u8 tx_flow_ctrl_creds; u8 rx_flow_ctrl_creds; u8 timer_count; |