diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rio.h | 5 | ||||
| -rw-r--r-- | include/linux/rio_drv.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/rio.h b/include/linux/rio.h index ba382f2b57ef..4d1a104cd78d 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -301,6 +301,8 @@ struct rio_net { * @add_outb_message: Callback to add a message to an outbound mailbox queue. * @add_inb_buffer: Callback to add a buffer to an inbound mailbox queue. * @get_inb_message: Callback to get a message from an inbound mailbox queue. + * @map_inb: Callback to map RapidIO address region into local memory space. + * @unmap_inb: Callback to unmap RapidIO address region mapped with map_inb(). */ struct rio_ops { int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len, @@ -323,6 +325,9 @@ struct rio_ops { int mbox, void *buffer, size_t len); int (*add_inb_buffer)(struct rio_mport *mport, int mbox, void *buf); void *(*get_inb_message)(struct rio_mport *mport, int mbox); + int (*map_inb)(struct rio_mport *mport, dma_addr_t lstart, + u64 rstart, u32 size, u32 flags); + void (*unmap_inb)(struct rio_mport *mport, dma_addr_t lstart); }; #define RIO_RESOURCE_MEM 0x00000100 diff --git a/include/linux/rio_drv.h b/include/linux/rio_drv.h index 31ad146be316..b75c05920ab5 100644 --- a/include/linux/rio_drv.h +++ b/include/linux/rio_drv.h @@ -365,6 +365,11 @@ void rio_release_regions(struct rio_dev *); int rio_request_region(struct rio_dev *, int, char *); void rio_release_region(struct rio_dev *, int); +/* Memory mapping functions */ +extern int rio_map_inb_region(struct rio_mport *mport, dma_addr_t local, + u64 rbase, u32 size, u32 rflags); +extern void rio_unmap_inb_region(struct rio_mport *mport, dma_addr_t lstart); + /* Port-Write management */ extern int rio_request_inb_pwrite(struct rio_dev *, int (*)(struct rio_dev *, union rio_pw_msg*, int)); |