Files
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

40 lines
963 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016, Intel Corporation.
*/
#include "test/nfit_test.h"
#include <linux/mm.h>
#include "../../../drivers/dax/dax-private.h"
phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff,
unsigned long size)
{
int i;
for (i = 0; i < dev_dax->nr_range; i++) {
struct dev_dax_range *dax_range = &dev_dax->ranges[i];
struct range *range = &dax_range->range;
unsigned long long pgoff_end;
phys_addr_t addr;
pgoff_end = dax_range->pgoff + PHYS_PFN(range_len(range)) - 1;
if (pgoff < dax_range->pgoff || pgoff > pgoff_end)
continue;
addr = PFN_PHYS(pgoff - dax_range->pgoff) + range->start;
if (addr + size - 1 <= range->end) {
if (get_nfit_res(addr)) {
struct page *page;
if (dev_dax->region->align > PAGE_SIZE)
return -1;
page = vmalloc_to_page((void *)addr);
return PFN_PHYS(page_to_pfn(page));
}
return addr;
}
break;
}
return -1;
}