diff options
Diffstat (limited to 'drivers/misc/mei')
| -rw-r--r-- | drivers/misc/mei/debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/misc/mei/hbm.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/hw.h | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 2 |
4 files changed, 14 insertions, 0 deletions
diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c index e39cfe6bc5bc..4b469cf9e60f 100644 --- a/drivers/misc/mei/debugfs.c +++ b/drivers/misc/mei/debugfs.c @@ -158,6 +158,8 @@ static ssize_t mei_dbgfs_read_devstate(struct file *fp, char __user *ubuf, dev->hbm_f_dc_supported); pos += scnprintf(buf + pos, bufsz - pos, "\tDOT: %01d\n", dev->hbm_f_dot_supported); + pos += scnprintf(buf + pos, bufsz - pos, "\tEV: %01d\n", + dev->hbm_f_ev_supported); } pos += scnprintf(buf + pos, bufsz - pos, "pg: %s, %s\n", diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 8a73fa06f3c4..95e918c84a6c 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -903,6 +903,10 @@ static void mei_hbm_config_features(struct mei_device *dev) /* disconnect on connect timeout instead of link reset */ if (dev->version.major_version >= HBM_MAJOR_VERSION_DOT) dev->hbm_f_dot_supported = 1; + + /* Notification Event Support */ + if (dev->version.major_version >= HBM_MAJOR_VERSION_EV) + dev->hbm_f_ev_supported = 1; } /** diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index a2c7aaba25d4..3f8901a503a6 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -58,6 +58,12 @@ #define HBM_MINOR_VERSION_DOT 0 #define HBM_MAJOR_VERSION_DOT 2 +/* + * MEI version with notifcation support + */ +#define HBM_MINOR_VERSION_EV 0 +#define HBM_MAJOR_VERSION_EV 2 + /* Host bus message command opcode */ #define MEI_HBM_CMD_OP_MSK 0x7f /* Host bus message command RESPONSE */ diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 362ebb15ccd9..e22bd21bb754 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -419,6 +419,7 @@ const char *mei_pg_state_str(enum mei_pg_state state); * @hbm_f_pg_supported : hbm feature pgi protocol * @hbm_f_dc_supported : hbm feature dynamic clients * @hbm_f_dot_supported : hbm feature disconnect on timeout + * @hbm_f_ev_supported : hbm feature event notification * * @me_clients_rwsem: rw lock over me_clients list * @me_clients : list of FW clients @@ -514,6 +515,7 @@ struct mei_device { unsigned int hbm_f_pg_supported:1; unsigned int hbm_f_dc_supported:1; unsigned int hbm_f_dot_supported:1; + unsigned int hbm_f_ev_supported:1; struct rw_semaphore me_clients_rwsem; struct list_head me_clients; |