diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/vas.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h index 7dcf3bded343..18c59c3ade3d 100644 --- a/arch/powerpc/include/asm/vas.h +++ b/arch/powerpc/include/asm/vas.h @@ -50,4 +50,49 @@ enum vas_cop_type { VAS_COP_TYPE_MAX, }; +/* + * Receive window attributes specified by the (in-kernel) owner of window. + */ +struct vas_rx_win_attr { + void *rx_fifo; + int rx_fifo_size; + int wcreds_max; + + bool pin_win; + bool rej_no_credit; + bool tx_wcred_mode; + bool rx_wcred_mode; + bool tx_win_ord_mode; + bool rx_win_ord_mode; + bool data_stamp; + bool nx_win; + bool fault_win; + bool user_win; + bool notify_disable; + bool intr_disable; + bool notify_early; + + int lnotify_lpid; + int lnotify_pid; + int lnotify_tid; + u32 pswid; + + int tc_mode; +}; + +/* + * Helper to initialize receive window attributes to defaults for an + * NX window. + */ +void vas_init_rx_win_attr(struct vas_rx_win_attr *rxattr, enum vas_cop_type cop); + +/* + * Open a VAS receive window for the instance of VAS identified by @vasid + * Use @attr to initialize the attributes of the window. + * + * Return a handle to the window or ERR_PTR() on error. + */ +struct vas_window *vas_rx_win_open(int vasid, enum vas_cop_type cop, + struct vas_rx_win_attr *attr); + #endif /* __ASM_POWERPC_VAS_H */ |