diff options
Diffstat (limited to 'drivers/dma/idxd/idxd.h')
| -rw-r--r-- | drivers/dma/idxd/idxd.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h index e269ca1f4862..1e89c80a07fc 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -159,6 +159,8 @@ struct idxd_cdev { int minor; }; +#define DRIVER_NAME_SIZE 128 + #define IDXD_ALLOCATED_BATCH_SIZE 128U #define WQ_NAME_SIZE 1024 #define WQ_TYPE_SIZE 10 @@ -227,6 +229,8 @@ struct idxd_wq { /* Lock to protect upasid_xa access. */ struct mutex uc_lock; struct xarray upasid_xa; + + char driver_name[DRIVER_NAME_SIZE + 1]; }; struct idxd_engine { @@ -646,6 +650,11 @@ static inline void idxd_wqcfg_set_max_batch_shift(int idxd_type, union wqcfg *wq wqcfg->max_batch_shift = max_batch_shift; } +static inline int idxd_wq_driver_name_match(struct idxd_wq *wq, struct device *dev) +{ + return (strncmp(wq->driver_name, dev->driver->name, strlen(dev->driver->name)) == 0); +} + int __must_check __idxd_driver_register(struct idxd_device_driver *idxd_drv, struct module *module, const char *mod_name); #define idxd_driver_register(driver) \ |