[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-arm] [PATCH 12/27] Make flatview_do_translate() take a MemTxAt
From: |
Alex Bennée |
Subject: |
Re: [Qemu-arm] [PATCH 12/27] Make flatview_do_translate() take a MemTxAttrs argument |
Date: |
Tue, 22 May 2018 12:00:33 +0100 |
User-agent: |
mu4e 1.1.0; emacs 26.1 |
Peter Maydell <address@hidden> writes:
> As part of plumbing MemTxAttrs down to the IOMMU translate method,
> add MemTxAttrs as an argument to flatview_do_translate().
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
> ---
> exec.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/exec.c b/exec.c
> index 84f2c21ecb..af2b82d154 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -541,6 +541,7 @@ unassigned:
> * @is_write: whether the translation operation is for write
> * @is_mmio: whether this can be MMIO, set true if it can
> * @target_as: the address space targeted by the IOMMU
> + * @attrs: memory transaction attributes
> *
> * This function is called from RCU critical section
> */
> @@ -551,7 +552,8 @@ static MemoryRegionSection flatview_do_translate(FlatView
> *fv,
> hwaddr *page_mask_out,
> bool is_write,
> bool is_mmio,
> - AddressSpace **target_as)
> + AddressSpace **target_as,
> + MemTxAttrs attrs)
> {
> MemoryRegionSection *section;
> IOMMUMemoryRegion *iommu_mr;
> @@ -592,7 +594,8 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace
> *as, hwaddr addr,
> * but page mask.
> */
> section = flatview_do_translate(address_space_to_flatview(as), addr,
> &xlat,
> - NULL, &page_mask, is_write, false, &as);
> + NULL, &page_mask, is_write, false, &as,
> + attrs);
>
> /* Illegal translation */
> if (section.mr == &io_mem_unassigned) {
> @@ -627,7 +630,7 @@ MemoryRegion *flatview_translate(FlatView *fv, hwaddr
> addr, hwaddr *xlat,
>
> /* This can be MMIO, so setup MMIO bit. */
> section = flatview_do_translate(fv, addr, xlat, plen, NULL,
> - is_write, true, &as);
> + is_write, true, &as, attrs);
> mr = section.mr;
>
> if (xen_enabled() && memory_access_is_direct(mr, is_write)) {
--
Alex Bennée
- [Qemu-arm] [PATCH 25/27] hw/arm/iotkit: Instantiate MPC, (continued)
- [Qemu-arm] [PATCH 25/27] hw/arm/iotkit: Instantiate MPC, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 09/27] Make flatview_access_valid() take a MemTxAttrs argument, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 06/27] Make flatview_extend_translation() take a MemTxAttrs argument, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 12/27] Make flatview_do_translate() take a MemTxAttrs argument, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 10/27] Make flatview_translate() take a MemTxAttrs argument, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 20/27] hw/misc/tz-mpc.c: Implement correct blocked-access behaviour, Peter Maydell, 2018/05/21
- [Qemu-arm] [PATCH 03/27] Make address_space_translate{, _cached}() take a MemTxAttrs argument, Peter Maydell, 2018/05/21