diff options
Diffstat (limited to 'drivers/dma/idxd/idxd.h')
| -rw-r--r-- | drivers/dma/idxd/idxd.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h index 89e98d69115b..6b9bfdc557fe 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -52,6 +52,9 @@ enum idxd_type { #define IDXD_NAME_SIZE 128 #define IDXD_PMU_EVENT_MAX 64 +#define IDXD_ENQCMDS_RETRIES 32 +#define IDXD_ENQCMDS_MAX_RETRIES 64 + struct idxd_device_driver { const char *name; enum idxd_dev_type *type; @@ -173,6 +176,7 @@ struct idxd_dma_chan { struct idxd_wq { void __iomem *portal; u32 portal_offset; + unsigned int enqcmds_retries; struct percpu_ref wq_active; struct completion wq_dead; struct completion wq_resurrect; @@ -584,6 +588,7 @@ int idxd_wq_init_percpu_ref(struct idxd_wq *wq); int idxd_submit_desc(struct idxd_wq *wq, struct idxd_desc *desc); struct idxd_desc *idxd_alloc_desc(struct idxd_wq *wq, enum idxd_op_type optype); void idxd_free_desc(struct idxd_wq *wq, struct idxd_desc *desc); +int idxd_enqcmds(struct idxd_wq *wq, void __iomem *portal, const void *desc); /* dmaengine */ int idxd_register_dma_device(struct idxd_device *idxd); |