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vmm: allow vmm_getphysical to return a page held

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Matheus
2024-09-18 21:27:36 -03:00
parent 611f13b562
commit c76b37693b
6 changed files with 14 additions and 5 deletions
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kernel-src/io/block/nvme.c
+3 -1
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@@ -517,11 +517,13 @@ static int rwblocks(nvmenamespace_t *namespace, void *buffer, uintmax_t lba, siz
size_t docount = (done == 0) ? (PAGE_SIZE - pageoffset) / namespace->blocksize : PAGE_SIZE / namespace->blocksize;
docount = min(docount, count - done);
prp[0] = (uint64_t)vmm_getphysical((void *)((uintptr_t)buffer + done * namespace->blocksize));
prp[0] = (uint64_t)vmm_getphysical((void *)((uintptr_t)buffer + done * namespace->blocksize), true);
__assert(prp[0]);
err = write ? iowrite(namespace, prp, lba + done, docount) : ioread(namespace, prp, lba + done, docount);
pmm_release((void *)prp[0]);
if (err)
break;