diff options
Diffstat (limited to 'drivers/dma/idxd/idxd.h')
| -rw-r--r-- | drivers/dma/idxd/idxd.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h index 940a2e1ddf12..c1d4a1976206 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -160,6 +160,7 @@ struct idxd_hw { union group_cap_reg group_cap; union engine_cap_reg engine_cap; struct opcap opcap; + u32 cmd_cap; }; enum idxd_device_state { @@ -237,6 +238,8 @@ struct idxd_device { struct idxd_dma_dev *idxd_dma; struct workqueue_struct *wq; struct work_struct work; + + int *int_handles; }; /* IDXD software descriptor */ @@ -256,6 +259,7 @@ struct idxd_desc { struct list_head list; int id; int cpu; + unsigned int vector; struct idxd_wq *wq; }; @@ -330,6 +334,11 @@ enum idxd_portal_prot { IDXD_PORTAL_LIMITED, }; +enum idxd_interrupt_type { + IDXD_IRQ_MSIX = 0, + IDXD_IRQ_IMS, +}; + static inline int idxd_get_wq_portal_offset(enum idxd_portal_prot prot) { return prot * 0x1000; @@ -385,6 +394,10 @@ int idxd_device_config(struct idxd_device *idxd); void idxd_device_wqs_clear_state(struct idxd_device *idxd); void idxd_device_drain_pasid(struct idxd_device *idxd, int pasid); int idxd_device_load_config(struct idxd_device *idxd); +int idxd_device_request_int_handle(struct idxd_device *idxd, int idx, int *handle, + enum idxd_interrupt_type irq_type); +int idxd_device_release_int_handle(struct idxd_device *idxd, int handle, + enum idxd_interrupt_type irq_type); /* work queue control */ int idxd_wq_alloc_resources(struct idxd_wq *wq); |