Make address_space_access_valid() take a MemTxAttrs argument

As part of plumbing MemTxAttrs down to the IOMMU translate method,
add MemTxAttrs as an argument to address_space_access_valid().
Its callers either have an attrs value to hand, or don't care
and can use MEMTXATTRS_UNSPECIFIED.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180521140402.23318-6-peter.maydell@linaro.org

exec.c

@@ -3480,7 +3480,8 @@ static bool flatview_access_valid(FlatView *fv, hwaddr addr, int len,
 }
 
 bool address_space_access_valid(AddressSpace *as, hwaddr addr,
-                                int len, bool is_write)
+                                int len, bool is_write,
+                                MemTxAttrs attrs)
 {
     FlatView *fv;
     bool result;

include/exec/memory.h

@@ -1937,8 +1937,10 @@ static inline MemoryRegion *address_space_translate(AddressSpace *as,
  * @addr: address within that address space
  * @len: length of the area to be checked
  * @is_write: indicates the transfer direction
+ * @attrs: memory attributes
  */
-bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len, bool is_write);
+bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len,
+                                bool is_write, MemTxAttrs attrs);
 
 /* address_space_map: map a physical memory region into a host virtual address
  *

include/sysemu/dma.h

@@ -77,7 +77,8 @@ static inline bool dma_memory_valid(AddressSpace *as,
                                     DMADirection dir)
 {
     return address_space_access_valid(as, addr, len,
-                                      dir == DMA_DIRECTION_FROM_DEVICE);
+                                      dir == DMA_DIRECTION_FROM_DEVICE,
+                                      MEMTXATTRS_UNSPECIFIED);
 }
 
 static inline int dma_memory_rw_relaxed(AddressSpace *as, dma_addr_t addr,

target/s390x/diag.c

@@ -87,7 +87,8 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra)
             return;
         }
         if (!address_space_access_valid(&address_space_memory, addr,
-                                        sizeof(IplParameterBlock), false)) {
+                                        sizeof(IplParameterBlock), false,
+                                        MEMTXATTRS_UNSPECIFIED)) {
             s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra);
             return;
         }
@@ -116,7 +117,8 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra)
             return;
         }
         if (!address_space_access_valid(&address_space_memory, addr,
-                                        sizeof(IplParameterBlock), true)) {
+                                        sizeof(IplParameterBlock), true,
+                                        MEMTXATTRS_UNSPECIFIED)) {
             s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra);
             return;
         }

target/s390x/excp_helper.c

@@ -120,7 +120,8 @@ int s390_cpu_handle_mmu_fault(CPUState *cs, vaddr orig_vaddr, int size,
 
     /* check out of RAM access */
     if (!address_space_access_valid(&address_space_memory, raddr,
-                                    TARGET_PAGE_SIZE, rw)) {
+                                    TARGET_PAGE_SIZE, rw,
+                                    MEMTXATTRS_UNSPECIFIED)) {
         DPRINTF("%s: raddr %" PRIx64 " > ram_size %" PRIx64 "\n", __func__,
                 (uint64_t)raddr, (uint64_t)ram_size);
         trigger_pgm_exception(env, PGM_ADDRESSING, ILEN_AUTO);

target/s390x/mmu_helper.c

@@ -461,7 +461,8 @@ static int translate_pages(S390CPU *cpu, vaddr addr, int nr_pages,
             return ret;
         }
         if (!address_space_access_valid(&address_space_memory, pages[i],
-                                        TARGET_PAGE_SIZE, is_write)) {
+                                        TARGET_PAGE_SIZE, is_write,
+                                        MEMTXATTRS_UNSPECIFIED)) {
             trigger_access_exception(env, PGM_ADDRESSING, ILEN_AUTO, 0);
             return -EFAULT;
         }

target/s390x/sigp.c

@@ -280,7 +280,8 @@ static void sigp_set_prefix(CPUState *cs, run_on_cpu_data arg)
     cpu_synchronize_state(cs);
 
     if (!address_space_access_valid(&address_space_memory, addr,
-                                    sizeof(struct LowCore), false)) {
+                                    sizeof(struct LowCore), false,
+                                    MEMTXATTRS_UNSPECIFIED)) {
         set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER);
         return;
     }