diff mbox series

crypto: ccp: Fix uAPI definitions of PSP errors

Message ID 20250308011028.719002-1-aik@amd.com (mailing list archive)
State Under Review
Delegated to: Herbert Xu
Headers show
Series crypto: ccp: Fix uAPI definitions of PSP errors | expand

Commit Message

Alexey Kardashevskiy March 8, 2025, 1:10 a.m. UTC
Additions to the error enum after explicit 0x27 setting for
SEV_RET_INVALID_KEY leads to incorrect value assignments.

Use explicit values to match the manufacturer specifications more
clearly.

Fixes: 3a45dc2b419e ("crypto: ccp: Define the SEV-SNP commands")
CC: stable@vger.kernel.org
Signed-off-by: Dionna Glaze <dionnaglaze@google.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
---

Reposting as requested in
https://lore.kernel.org/r/Z7f2S3MigLEY80P2@gondor.apana.org.au

I wrote it in the first place but since then it travelled a lot,
feel free to correct the chain of SOBs and RB :)
---
 include/uapi/linux/psp-sev.h | 21 +++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

Comments

Dionna Amalie Glaze March 8, 2025, 5:40 a.m. UTC | #1
On Fri, Mar 7, 2025 at 5:10 PM Alexey Kardashevskiy <aik@amd.com> wrote:
>
> Additions to the error enum after explicit 0x27 setting for
> SEV_RET_INVALID_KEY leads to incorrect value assignments.
>
> Use explicit values to match the manufacturer specifications more
> clearly.
>
> Fixes: 3a45dc2b419e ("crypto: ccp: Define the SEV-SNP commands")
> CC: stable@vger.kernel.org
> Signed-off-by: Dionna Glaze <dionnaglaze@google.com>
> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
> Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
> ---
>
> Reposting as requested in
> https://lore.kernel.org/r/Z7f2S3MigLEY80P2@gondor.apana.org.au
>
> I wrote it in the first place but since then it travelled a lot,
> feel free to correct the chain of SOBs and RB :)

It's all good. Thanks for seeing this through to the end.
Borislav Petkov March 8, 2025, 1:33 p.m. UTC | #2
On Fri, Mar 07, 2025 at 09:40:52PM -0800, Dionna Amalie Glaze wrote:
> On Fri, Mar 7, 2025 at 5:10 PM Alexey Kardashevskiy <aik@amd.com> wrote:
> >
> > Additions to the error enum after explicit 0x27 setting for
> > SEV_RET_INVALID_KEY leads to incorrect value assignments.
> >
> > Use explicit values to match the manufacturer specifications more
> > clearly.
> >
> > Fixes: 3a45dc2b419e ("crypto: ccp: Define the SEV-SNP commands")
> > CC: stable@vger.kernel.org
> > Signed-off-by: Dionna Glaze <dionnaglaze@google.com>
> > Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
> > Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
> > ---
> >
> > Reposting as requested in
> > https://lore.kernel.org/r/Z7f2S3MigLEY80P2@gondor.apana.org.au
> >
> > I wrote it in the first place but since then it travelled a lot,
> > feel free to correct the chain of SOBs and RB :)
> 
> It's all good. Thanks for seeing this through to the end.

It should be corrected because the current SOB chain says that Dionna is the
author but From is yours, making you the author when it gets applied.

All is documented here and in the following sections:

https://kernel.org/doc/html/latest/process/submitting-patches.html#sign-your-work-the-developer-s-certificate-of-origin
diff mbox series

Patch

diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h
index 832c15d9155b..eeb20dfb1fda 100644
--- a/include/uapi/linux/psp-sev.h
+++ b/include/uapi/linux/psp-sev.h
@@ -73,13 +73,20 @@  typedef enum {
 	SEV_RET_INVALID_PARAM,
 	SEV_RET_RESOURCE_LIMIT,
 	SEV_RET_SECURE_DATA_INVALID,
-	SEV_RET_INVALID_KEY = 0x27,
-	SEV_RET_INVALID_PAGE_SIZE,
-	SEV_RET_INVALID_PAGE_STATE,
-	SEV_RET_INVALID_MDATA_ENTRY,
-	SEV_RET_INVALID_PAGE_OWNER,
-	SEV_RET_INVALID_PAGE_AEAD_OFLOW,
-	SEV_RET_RMP_INIT_REQUIRED,
+	SEV_RET_INVALID_PAGE_SIZE          = 0x0019,
+	SEV_RET_INVALID_PAGE_STATE         = 0x001A,
+	SEV_RET_INVALID_MDATA_ENTRY        = 0x001B,
+	SEV_RET_INVALID_PAGE_OWNER         = 0x001C,
+	SEV_RET_AEAD_OFLOW                 = 0x001D,
+	SEV_RET_EXIT_RING_BUFFER           = 0x001F,
+	SEV_RET_RMP_INIT_REQUIRED          = 0x0020,
+	SEV_RET_BAD_SVN                    = 0x0021,
+	SEV_RET_BAD_VERSION                = 0x0022,
+	SEV_RET_SHUTDOWN_REQUIRED          = 0x0023,
+	SEV_RET_UPDATE_FAILED              = 0x0024,
+	SEV_RET_RESTORE_REQUIRED           = 0x0025,
+	SEV_RET_RMP_INITIALIZATION_FAILED  = 0x0026,
+	SEV_RET_INVALID_KEY                = 0x0027,
 	SEV_RET_MAX,
 } sev_ret_code;