ב הוא חיבור של הרב יהושע בועז שתוכנו מראי מקומות למקורותشسdggרות הל555ה התafhgfh

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PARISC_DMA_MAPPING_H #define _PARISC_DMA_MAPPING_H /* ** We need to support 4 different coherent dma models with one binary: ** ** I/O MMU consistent method dma_sync behavior ** ============= ====================== ======================= ** a) PA-7x00LC uncachable host memory flush/purge ** b) U2/Uturn cachable host memory NOP ** c) Ike/Astro cachable host memory NOP ** d) EPIC/SAGA memory on EPIC/SAGA flush/reset DMA channel ** ** PA-7[13]00LC processors have a GSC bus interface and no I/O MMU. ** ** Systems (eg PCX-T workstations) that don't fall into the above ** categories will need to modify the needed drivers to perform ** flush/purge and allocate "regular" cacheable pages for everything. */ extern const struct dma_map_ops *hppa_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(void) { return hppa_dma_ops; } #endif