Re: [PATCH v7 10/12] hw/mem/cxl_type3: Add DPA range validation for accesses to DC regions

[Gregory Price]

On Thu, Apr 18, 2024 at 04:11:01PM -0700, nifan.cxl@gmail.com wrote:
> From: Fan Ni <fan.ni@samsung.com>
> 
> All DPA ranges in the DC regions are invalid to access until an extent
> covering the range has been successfully accepted by the host. A bitmap
> is added to each region to record whether a DC block in the region has
> been backed by a DC extent. Each bit in the bitmap represents a DC block.
> When a DC extent is accepted, all the bits representing the blocks in the
> extent are set, which will be cleared when the extent is released.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Signed-off-by: Fan Ni <fan.ni@samsung.com>
> ---
>  hw/cxl/cxl-mailbox-utils.c  |  3 ++
>  hw/mem/cxl_type3.c          | 76 +++++++++++++++++++++++++++++++++++++
>  include/hw/cxl/cxl_device.h |  7 ++++
>  3 files changed, 86 insertions(+)
> 

Reviewed-by: Gregory Price <gregory.price@memverge.com>