xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mei: implement async notification hbm messages

Browse Source 
Implement sending and reception handlers for the
async event notification hbm commands.
Add client notification book keeping data required for the messages
    notify_en to indicate whether notification is enabled
    notify_ev to indicate whether an event is pending

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler
2015-07-26 09:54:16 +03:00
committed by Greg Kroah-Hartman
parent d3c1c809c4
commit 965ae37ab8
3 changed files with 145 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/misc/mei/mei_dev.h
View File

@@ -136,6 +136,8 @@ enum mei_wd_states {
* @MEI_FOP_CONNECT: connect
* @MEI_FOP_DISCONNECT: disconnect
* @MEI_FOP_DISCONNECT_RSP: disconnect response
* @MEI_FOP_NOTIFY_START: start notification
* @MEI_FOP_NOTIFY_STOP: stop notification
*/
enum mei_cb_file_ops {
MEI_FOP_READ = 0,
@@ -143,6 +145,8 @@ enum mei_cb_file_ops {
MEI_FOP_CONNECT,
MEI_FOP_DISCONNECT,
MEI_FOP_DISCONNECT_RSP,
MEI_FOP_NOTIFY_START,
MEI_FOP_NOTIFY_STOP,
};
/*
@@ -237,6 +241,8 @@ struct mei_cl_cb {
* @mei_flow_ctrl_creds: transmit flow credentials
* @timer_count: watchdog timer for operation completion
* @reserved: reserved for alignment
* @notify_en: notification - enabled/disabled
* @notify_ev: pending notification event
* @writing_state: state of the tx
* @rd_pending: pending read credits
* @rd_completed: completed read
@@ -256,6 +262,8 @@ struct mei_cl {
u8 mei_flow_ctrl_creds;
u8 timer_count;
u8 reserved;
u8 notify_en;
u8 notify_ev;
enum mei_file_transaction_states writing_state;
struct list_head rd_pending;
struct list_head rd_completed;