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cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info

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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.ni@samsung.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20241101132005.26633-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Fan Ni 2024-11-01 13:20:04 +00:00 committed by Michael S. Tsirkin
parent 449dca6ac9
commit 0564019bf1
1 changed files with 3 additions and 3 deletions
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6
hw/cxl/cxl-mailbox-utils.c
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@ -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;
}