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| author | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2013-07-14 05:49:19 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2013-07-14 05:49:19 +0200 |
| commit | f000eb0d43193ef8225f947226d9cd3deb00115b (patch) | |
| tree | 96fba301e5e63012f7655f4277b191036f5964b3 /kmem.c | |
| parent | 7ec4581ad37b88bbb300ac00850603433a8cdfe9 (diff) | |
| download | ipecamera-f000eb0d43193ef8225f947226d9cd3deb00115b.tar.gz ipecamera-f000eb0d43193ef8225f947226d9cd3deb00115b.tar.bz2 ipecamera-f000eb0d43193ef8225f947226d9cd3deb00115b.tar.xz ipecamera-f000eb0d43193ef8225f947226d9cd3deb00115b.zip | |
Support pre-allocated memory with memmap in KMem
Diffstat (limited to 'kmem.c')
| -rw-r--r-- | kmem.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -91,13 +91,19 @@ pcilib_kmem_handle_t *pcilib_alloc_kernel_memory(pcilib_t *ctx, pcilib_kmem_type kh.align = alignment; kh.use = use; - if ((type&PCILIB_KMEM_TYPE_MASK) != PCILIB_KMEM_TYPE_PAGE) { + if ((type&PCILIB_KMEM_TYPE_MASK) == PCILIB_KMEM_TYPE_REGION) { + kh.align = 0; + } else if ((type&PCILIB_KMEM_TYPE_MASK) != PCILIB_KMEM_TYPE_PAGE) { kh.size += alignment; } - + for ( i = 0; i < nmemb; i++) { kh.item = i; kh.flags = flags; + + if ((type&PCILIB_KMEM_TYPE_MASK) == PCILIB_KMEM_TYPE_REGION) { + kh.pa = alignment + i * size; + } ret = ioctl(ctx->handle, PCIDRIVER_IOC_KMEM_ALLOC, &kh); if (ret) { |