platform/x86/intel/ifs: Metadata validation for start_chunk

mainline inclusion
from mainline-v6.7-rc1
commit 60d2e1b37d530d6b1f8b7773cebaf8bbc1536b28
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8RCIK
CVE: N/A
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=60d2e1b37d530d6b1f8b7773cebaf8bbc1536b28



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Intel-SIG: commit 60d2e1b37d53 ("platform/x86/intel/ifs: Metadata validation for start_chunk")
Backport to support IFS SAF & Array BIST on GNR & SRF

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Add an additional check to validate IFS image metadata field prior to
loading the test image.

If start_chunk is not a multiple of chunks_per_stride error out.

Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Link: https://lore.kernel.org/r/20231005195137.3117166-7-jithu.joseph@intel.com


Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Aichun Shi <aichun.shi@intel.com>