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([10.124.223.186]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2024 12:01:02 -0700 From: Rick Edgecombe To: pbonzini@redhat.com, seanjc@google.com Cc: rick.p.edgecombe@intel.com, yan.y.zhao@intel.com, isaku.yamahata@gmail.com, kai.huang@intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, tony.lindgren@linux.intel.com, xiaoyao.li@intel.com, reinette.chatre@intel.com, Isaku Yamahata , Binbin Wu , Yuan Yao Subject: [PATCH v2 14/25] KVM: TDX: Add helper functions to print TDX SEAMCALL error Date: Wed, 30 Oct 2024 12:00:27 -0700 Message-ID: <20241030190039.77971-15-rick.p.edgecombe@intel.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241030190039.77971-1-rick.p.edgecombe@intel.com> References: <20241030190039.77971-1-rick.p.edgecombe@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata Add helper functions to print out errors from the TDX module in a uniform manner. Signed-off-by: Isaku Yamahata Co-developed-by: Tony Lindgren Signed-off-by: Tony Lindgren Signed-off-by: Rick Edgecombe Reviewed-by: Binbin Wu Reviewed-by: Yuan Yao --- uAPI breakout v2: - Stringify the error codes, use ____pr_tdx_error_N() naming (Isaku, Kai) uAPI breakout v1: - Update for the wrapper functions for SEAMCALLs. (Sean) - Reorder header file include to adjust argument change of the C wrapper. - Fix bisectability issues in headers (Kai) - Updates from seamcall overhaul (Kai) v19: - dropped unnecessary include v18: - Added Reviewed-by Binbin. --- arch/x86/kvm/vmx/tdx.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c index f2830ff2af1d..60b577379a9a 100644 --- a/arch/x86/kvm/vmx/tdx.c +++ b/arch/x86/kvm/vmx/tdx.c @@ -7,6 +7,21 @@ #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt =20 +#define pr_tdx_error(__fn, __err) \ + pr_err_ratelimited("SEAMCALL %s failed: 0x%llx\n", #__fn, __err) + +#define __pr_tdx_error_N(__fn_str, __err, __fmt, ...) \ + pr_err_ratelimited("SEAMCALL " __fn_str " failed: 0x%llx, " __fmt, __err= , __VA_ARGS__) + +#define pr_tdx_error_1(__fn, __err, __rcx) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx\n", __rcx) + +#define pr_tdx_error_2(__fn, __err, __rcx, __rdx) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx, rdx 0x%llx\n", __rcx, __rdx) + +#define pr_tdx_error_3(__fn, __err, __rcx, __rdx, __r8) \ + __pr_tdx_error_N(#__fn, __err, "rcx 0x%llx, rdx 0x%llx, r8 0x%llx\n", __r= cx, __rdx, __r8) + bool enable_tdx __ro_after_init; module_param_named(tdx, enable_tdx, bool, 0444); =20 --=20 2.47.0