Date: Mon, 7 Dec 2020 10:51:20 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r368408 - head/stand/kshim Message-ID: <202012071051.0B7ApKfA093016@repo.freebsd.org>
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Author: hselasky Date: Mon Dec 7 10:51:19 2020 New Revision: 368408 URL: https://svnweb.freebsd.org/changeset/base/368408 Log: Add missing busdma prototypes for load and unload and implement dummy sync function for kernel bootloader shim code. MFC after: 1 week Sponsored by: Mellanox Technologies // NVIDIA Networking Modified: head/stand/kshim/bsd_kernel.c head/stand/kshim/bsd_kernel.h Modified: head/stand/kshim/bsd_kernel.c ============================================================================== --- head/stand/kshim/bsd_kernel.c Mon Dec 7 10:21:01 2020 (r368407) +++ head/stand/kshim/bsd_kernel.c Mon Dec 7 10:51:19 2020 (r368408) @@ -92,6 +92,13 @@ bus_dmamap_load(bus_dma_tag_t dmat, bus_dmamap_t map, } void +bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, int flags) +{ + /* Assuming coherent memory */ + __asm__ __volatile__("": : :"memory"); +} + +void bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map) { Modified: head/stand/kshim/bsd_kernel.h ============================================================================== --- head/stand/kshim/bsd_kernel.h Mon Dec 7 10:21:01 2020 (r368407) +++ head/stand/kshim/bsd_kernel.h Mon Dec 7 10:51:19 2020 (r368408) @@ -669,6 +669,11 @@ extern int delay(unsigned int); #define BUS_DMA_BUS3 0x40 #define BUS_DMA_BUS4 0x80 +#define BUS_DMASYNC_PREREAD 0x01 +#define BUS_DMASYNC_POSTREAD 0x02 +#define BUS_DMASYNC_PREWRITE 0x04 +#define BUS_DMASYNC_POSTWRITE 0x08 + typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int); int @@ -679,9 +684,14 @@ bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t al bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc, void *lockfuncarg, bus_dma_tag_t *dmat); -int bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, - bus_dmamap_t *mapp); -void bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map); -int bus_dma_tag_destroy(bus_dma_tag_t dmat); +int bus_dmamem_alloc(bus_dma_tag_t, void** vaddr, int flags, bus_dmamap_t *); +void bus_dmamem_free(bus_dma_tag_t, void *vaddr, bus_dmamap_t); +int bus_dma_tag_destroy(bus_dma_tag_t); + +int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *buf, + bus_size_t buflen, bus_dmamap_callback_t *, + void *callback_arg, int flags); +void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); +void bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, int flags); #endif /* _BSD_KERNEL_H_ */
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