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Make flatview_translate() take a MemTxAttrs argument 

As part of plumbing MemTxAttrs down to the IOMMU translate method,
add MemTxAttrs as an argument to flatview_translate(); all its
callers now have attrs available.

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: 20180521140402.23318-11-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-05-31 14:50:52 +01:00
parent eace72b7a6
commit efa99a2ff8
2 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
exec.c
View File

@ -618,7 +618,8 @@ iotlb_fail:
/* Called from RCU critical section */
MemoryRegion *flatview_translate(FlatView *fv, hwaddr addr, hwaddr *xlat,
hwaddr *plen, bool is_write)
hwaddr *plen, bool is_write,
MemTxAttrs attrs)
{
MemoryRegion *mr;
MemoryRegionSection section;
@ -3152,7 +3153,7 @@ static MemTxResult flatview_write_continue(FlatView *fv, hwaddr addr,
}
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, true);
mr = flatview_translate(fv, addr, &addr1, &l, true, attrs);
}
return result;
@ -3168,7 +3169,7 @@ static MemTxResult flatview_write(FlatView *fv, hwaddr addr, MemTxAttrs attrs,
MemTxResult result = MEMTX_OK;
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, true);
mr = flatview_translate(fv, addr, &addr1, &l, true, attrs);
result = flatview_write_continue(fv, addr, attrs, buf, len,
addr1, l, mr);
@ -3239,7 +3240,7 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
}
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, false);
mr = flatview_translate(fv, addr, &addr1, &l, false, attrs);
}
return result;
@ -3254,7 +3255,7 @@ static MemTxResult flatview_read(FlatView *fv, hwaddr addr,
MemoryRegion *mr;
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, false);
mr = flatview_translate(fv, addr, &addr1, &l, false, attrs);
return flatview_read_continue(fv, addr, attrs, buf, len,
addr1, l, mr);
}
@ -3468,7 +3469,7 @@ static bool flatview_access_valid(FlatView *fv, hwaddr addr, int len,
while (len > 0) {
l = len;
mr = flatview_translate(fv, addr, &xlat, &l, is_write);
mr = flatview_translate(fv, addr, &xlat, &l, is_write, attrs);
if (!memory_access_is_direct(mr, is_write)) {
l = memory_access_size(mr, l, addr);
if (!memory_region_access_valid(mr, xlat, l, is_write, attrs)) {
@ -3516,7 +3517,7 @@ flatview_extend_translation(FlatView *fv, hwaddr addr,
len = target_len;
this_mr = flatview_translate(fv, addr, &xlat,
&len, is_write);
&len, is_write, attrs);
if (this_mr != mr || xlat != base + done) {
return done;
}
@ -3549,7 +3550,7 @@ void *address_space_map(AddressSpace *as,
l = len;
rcu_read_lock();
fv = address_space_to_flatview(as);
mr = flatview_translate(fv, addr, &xlat, &l, is_write);
mr = flatview_translate(fv, addr, &xlat, &l, is_write, attrs);
if (!memory_access_is_direct(mr, is_write)) {
if (atomic_xchg(&bounce.in_use, true)) {

7
include/exec/memory.h
View File

@ -1913,7 +1913,8 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace *as, hwaddr addr,
*/
MemoryRegion *flatview_translate(FlatView *fv,
hwaddr addr, hwaddr *xlat,
hwaddr *len, bool is_write);
hwaddr *len, bool is_write,
MemTxAttrs attrs);
static inline MemoryRegion *address_space_translate(AddressSpace *as,
hwaddr addr, hwaddr *xlat,
@ -1921,7 +1922,7 @@ static inline MemoryRegion *address_space_translate(AddressSpace *as,
MemTxAttrs attrs)
{
return flatview_translate(address_space_to_flatview(as),
addr, xlat, len, is_write);
addr, xlat, len, is_write, attrs);
}
/* address_space_access_valid: check for validity of accessing an address
@ -2030,7 +2031,7 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
rcu_read_lock();
fv = address_space_to_flatview(as);
l = len;
mr = flatview_translate(fv, addr, &addr1, &l, false);
mr = flatview_translate(fv, addr, &addr1, &l, false, attrs);
if (len == l && memory_access_is_direct(mr, false)) {
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
memcpy(buf, ptr, len);