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From: Peter Maydell <peter.maydell@linaro.org>
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Date: Thu, 31 May 2018 15:23:45 +0100
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Subject: [Qemu-devel] [PULL 13/25] Make address_space_map() take a
MemTxAttrs argument
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As part of plumbing MemTxAttrs down to the IOMMU translate method,
add MemTxAttrs as an argument to address_space_map().
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 Benn=C3=A9e <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180521140402.23318-5-peter.maydell@linaro.org
---
include/exec/memory.h | 3 ++-
include/sysemu/dma.h | 3 ++-
exec.c | 6 ++++--
target/ppc/mmu-hash64.c | 3 ++-
4 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index b95ceb272b..d594639d7c 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1952,9 +1952,10 @@ bool address_space_access_valid(AddressSpace *as, hw=
addr addr, int len, bool is_
* @addr: address within that address space
* @plen: pointer to length of buffer; updated on return
* @is_write: indicates the transfer direction
+ * @attrs: memory attributes
*/
void *address_space_map(AddressSpace *as, hwaddr addr,
- hwaddr *plen, bool is_write);
+ hwaddr *plen, bool is_write, MemTxAttrs attrs);
=20
/* address_space_unmap: Unmaps a memory region previously mapped by addres=
s_space_map()
*
diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index c228c66513..0d73902634 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -132,7 +132,8 @@ static inline void *dma_memory_map(AddressSpace *as,
hwaddr xlen =3D *len;
void *p;
=20
- p =3D address_space_map(as, addr, &xlen, dir =3D=3D DMA_DIRECTION_FROM=
_DEVICE);
+ p =3D address_space_map(as, addr, &xlen, dir =3D=3D DMA_DIRECTION_FROM=
_DEVICE,
+ MEMTXATTRS_UNSPECIFIED);
*len =3D xlen;
return p;
}
diff --git a/exec.c b/exec.c
index d314c7cc39..1dc81cfe4a 100644
--- a/exec.c
+++ b/exec.c
@@ -3529,7 +3529,8 @@ flatview_extend_translation(FlatView *fv, hwaddr addr,
void *address_space_map(AddressSpace *as,
hwaddr addr,
hwaddr *plen,
- bool is_write)
+ bool is_write,
+ MemTxAttrs attrs)
{
hwaddr len =3D *plen;
hwaddr l, xlat;
@@ -3616,7 +3617,8 @@ void *cpu_physical_memory_map(hwaddr addr,
hwaddr *plen,
int is_write)
{
- return address_space_map(&address_space_memory, addr, plen, is_write);
+ return address_space_map(&address_space_memory, addr, plen, is_write,
+ MEMTXATTRS_UNSPECIFIED);
}
=20
void cpu_physical_memory_unmap(void *buffer, hwaddr len,
diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c
index a1db20e3a8..aa200cba4c 100644
--- a/target/ppc/mmu-hash64.c
+++ b/target/ppc/mmu-hash64.c
@@ -431,7 +431,8 @@ const ppc_hash_pte64_t *ppc_hash64_map_hptes(PowerPCCPU=
*cpu,
return NULL;
}
=20
- hptes =3D address_space_map(CPU(cpu)->as, base + pte_offset, &plen, fa=
lse);
+ hptes =3D address_space_map(CPU(cpu)->as, base + pte_offset, &plen, fa=
lse,
+ MEMTXATTRS_UNSPECIFIED);
if (plen < (n * HASH_PTE_SIZE_64)) {
hw_error("%s: Unable to map all requested HPTEs\n", __func__);
}
--=20
2.17.1