From: Fan Ni <fan...@samsung.com> In the function cmd_firmware_update_get_info for handling Get FW info command (0x0200h), the vmem, pmem and DC capacity size check were incorrect. The size should be aligned to 256MiB, not smaller than 256MiB.
Signed-off-by: Fan Ni <fan...@samsung.com> Reviewed-by: Davidlohr Bueso <d...@stgolabs.net> Signed-off-by: Jonathan Cameron <jonathan.came...@huawei.com> Message-Id: <20241101132005.26633-2-jonathan.came...@huawei.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- hw/cxl/cxl-mailbox-utils.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 5f63099724..8bb0d2dd29 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -649,9 +649,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd, } QEMU_PACKED *fw_info; QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50); - if ((cxl_dstate->vmem_size < CXL_CAPACITY_MULTIPLIER) || - (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) || - (ct3d->dc.total_capacity < CXL_CAPACITY_MULTIPLIER)) { + if (!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER) || + !QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER) || + !QEMU_IS_ALIGNED(ct3d->dc.total_capacity, CXL_CAPACITY_MULTIPLIER)) { return CXL_MBOX_INTERNAL_ERROR; } -- MST