diff options
Diffstat (limited to 'drivers/accel/qaic/qaic.h')
| -rw-r--r-- | drivers/accel/qaic/qaic.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/accel/qaic/qaic.h b/drivers/accel/qaic/qaic.h index e3f4c30f3f..582836f953 100644 --- a/drivers/accel/qaic/qaic.h +++ b/drivers/accel/qaic/qaic.h @@ -31,6 +31,15 @@ #define to_drm(qddev) (&(qddev)->drm) #define to_accel_kdev(qddev) (to_drm(qddev)->accel->kdev) /* Return Linux device of accel node */ +enum __packed dev_states { + /* Device is offline or will be very soon */ + QAIC_OFFLINE, + /* Device is booting, not clear if it's in a usable state */ + QAIC_BOOT, + /* Device is fully operational */ + QAIC_ONLINE, +}; + extern bool datapath_polling; struct qaic_user { @@ -121,8 +130,10 @@ struct qaic_device { struct workqueue_struct *cntl_wq; /* Synchronizes all the users of device during cleanup */ struct srcu_struct dev_lock; - /* true: Device under reset; false: Device not under reset */ - bool in_reset; + /* Track the state of the device during resets */ + enum dev_states dev_state; + /* true: single MSI is used to operate device */ + bool single_msi; /* * true: A tx MHI transaction has failed and a rx buffer is still queued * in control device. Such a buffer is considered lost rx buffer @@ -137,6 +148,10 @@ struct qaic_device { u32 (*gen_crc)(void *msg); /* Validate the CRC of a control message */ bool (*valid_crc)(void *msg); + /* MHI "QAIC_TIMESYNC" channel device */ + struct mhi_device *qts_ch; + /* Work queue for tasks related to MHI "QAIC_TIMESYNC" channel */ + struct workqueue_struct *qts_wq; }; struct qaic_drm_device { @@ -268,7 +283,7 @@ void wakeup_dbc(struct qaic_device *qdev, u32 dbc_id); void release_dbc(struct qaic_device *qdev, u32 dbc_id); void wake_all_cntl(struct qaic_device *qdev); -void qaic_dev_reset_clean_local_state(struct qaic_device *qdev, bool exit_reset); +void qaic_dev_reset_clean_local_state(struct qaic_device *qdev); struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf); |