diff options
| -rw-r--r-- | sys/compat/ndis/ntoskrnl_var.h | 10 | ||||
| -rw-r--r-- | sys/compat/ndis/subr_ntoskrnl.c | 37 |
2 files changed, 41 insertions, 6 deletions
diff --git a/sys/compat/ndis/ntoskrnl_var.h b/sys/compat/ndis/ntoskrnl_var.h index 9ed52d8..ebe3f5d 100644 --- a/sys/compat/ndis/ntoskrnl_var.h +++ b/sys/compat/ndis/ntoskrnl_var.h @@ -162,6 +162,16 @@ typedef struct mdl mdl, ndis_buffer; #define WDM_MINOR_WINXP 0x20 #define WDM_MINOR_WIN2003 0x30 +enum nt_caching_type { + MmNonCached = 0, + MmCached = 1, + MmWriteCombined = 2, + MmHardwareCoherentCached = 3, + MmNonCachedUnordered = 4, + MmUSWCCached = 5, + MmMaximumCacheType = 6 +}; + /*- * The ndis_kspin_lock type is called KSPIN_LOCK in MS-Windows. * According to the Windows DDK header files, KSPIN_LOCK is defined like this: diff --git a/sys/compat/ndis/subr_ntoskrnl.c b/sys/compat/ndis/subr_ntoskrnl.c index f169de5..a46640a 100644 --- a/sys/compat/ndis/subr_ntoskrnl.c +++ b/sys/compat/ndis/subr_ntoskrnl.c @@ -68,6 +68,7 @@ __FBSDID("$FreeBSD$"); #include <vm/uma.h> #include <vm/vm_kern.h> #include <vm/vm_map.h> +#include <vm/vm_extern.h> #include <compat/ndis/pe_var.h> #include <compat/ndis/cfg_var.h> @@ -197,9 +198,10 @@ static uint32_t InterlockedDecrement(volatile uint32_t *); static void ExInterlockedAddLargeStatistic(uint64_t *, uint32_t); static void *MmAllocateContiguousMemory(uint32_t, uint64_t); static void *MmAllocateContiguousMemorySpecifyCache(uint32_t, - uint64_t, uint64_t, uint64_t, uint32_t); + uint64_t, uint64_t, uint64_t, enum nt_caching_type); static void MmFreeContiguousMemory(void *); -static void MmFreeContiguousMemorySpecifyCache(void *, uint32_t, uint32_t); +static void MmFreeContiguousMemorySpecifyCache(void *, uint32_t, + enum nt_caching_type); static uint32_t MmSizeOfMdl(void *, size_t); static void *MmMapLockedPages(mdl *, uint8_t); static void *MmMapLockedPagesSpecifyCache(mdl *, @@ -2424,11 +2426,34 @@ MmAllocateContiguousMemorySpecifyCache(size, lowest, highest, uint64_t lowest; uint64_t highest; uint64_t boundary; - uint32_t cachetype; + enum nt_caching_type cachetype; { + vm_memattr_t memattr; + void *ret; - return (contigmalloc(size, M_DEVBUF, M_ZERO|M_NOWAIT, lowest, - highest, PAGE_SIZE, boundary)); + switch (cachetype) { + case MmNonCached: + memattr = VM_MEMATTR_UNCACHEABLE; + break; + case MmWriteCombined: + memattr = VM_MEMATTR_WRITE_COMBINING; + break; + case MmNonCachedUnordered: + memattr = VM_MEMATTR_UNCACHEABLE; + break; + case MmCached: + case MmHardwareCoherentCached: + case MmUSWCCached: + default: + memattr = VM_MEMATTR_DEFAULT; + break; + } + + ret = (void *)kmem_alloc_contig(kernel_map, size, M_ZERO | M_NOWAIT, + lowest, highest, PAGE_SIZE, boundary, memattr); + if (ret != NULL) + malloc_type_allocated(M_DEVBUF, round_page(size)); + return (ret); } static void @@ -2442,7 +2467,7 @@ static void MmFreeContiguousMemorySpecifyCache(base, size, cachetype) void *base; uint32_t size; - uint32_t cachetype; + enum nt_caching_type cachetype; { contigfree(base, size, M_DEVBUF); } |
