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Differential D20162 Diff 57079 head/sys/x86/iommu/busdma_dmar.c

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head/sys/x86/iommu/busdma_dmar.c

Show First 20 Lines • Show All 683 Lines • ▼ Show 20 Lines for (i = 0; i < ma_cnt; i++) {
if (ma[i] == NULL || VM_PAGE_TO_PHYS(ma[i]) != paddr) { if (ma[i] == NULL || VM_PAGE_TO_PHYS(ma[i]) != paddr) {
/* /*
* If PHYS_TO_VM_PAGE() returned NULL or the * If PHYS_TO_VM_PAGE() returned NULL or the
* vm_page was not initialized we'll use a * vm_page was not initialized we'll use a
* fake page. * fake page.
*/ */
if (fma == NULL) { if (fma == NULL) {
fma = malloc(sizeof(struct vm_page) * ma_cnt, fma = malloc(sizeof(struct vm_page) * ma_cnt,
M_DEVBUF, mflags); M_DEVBUF, M_ZERO | mflags);
if (fma == NULL) { if (fma == NULL) {
free(ma, M_DEVBUF); free(ma, M_DEVBUF);
return (ENOMEM); return (ENOMEM);
} }
} }
vm_page_initfake(&fma[i], pstart + i * PAGE_SIZE, vm_page_initfake(&fma[i], pstart + i * PAGE_SIZE,
VM_MEMATTR_DEFAULT); VM_MEMATTR_DEFAULT);
ma[i] = &fma[i]; ma[i] = &fma[i];
Show All 37 Lines for (i = 0; i < ma_cnt; i++, pstart += PAGE_SIZE) {
if (ma[i] == NULL || VM_PAGE_TO_PHYS(ma[i]) != paddr) { if (ma[i] == NULL || VM_PAGE_TO_PHYS(ma[i]) != paddr) {
/* /*
* If PHYS_TO_VM_PAGE() returned NULL or the * If PHYS_TO_VM_PAGE() returned NULL or the
* vm_page was not initialized we'll use a * vm_page was not initialized we'll use a
* fake page. * fake page.
*/ */
if (fma == NULL) { if (fma == NULL) {
fma = malloc(sizeof(struct vm_page) * ma_cnt, fma = malloc(sizeof(struct vm_page) * ma_cnt,
M_DEVBUF, mflags); M_DEVBUF, M_ZERO | mflags);
if (fma == NULL) { if (fma == NULL) {
free(ma, M_DEVBUF); free(ma, M_DEVBUF);
return (ENOMEM); return (ENOMEM);
} }
} }
vm_page_initfake(&fma[i], paddr, VM_MEMATTR_DEFAULT); vm_page_initfake(&fma[i], paddr, VM_MEMATTR_DEFAULT);
ma[i] = &fma[i]; ma[i] = &fma[i];
} }
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