linux-kernel - Re: [PATCH v1 14/26] crypto: ccp: Provide API to issue SEV and SNP commands

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Message-ID: <20240117094837.GIZaeidSVUPFF7792g@fat_crate.local>
Date: Wed, 17 Jan 2024 10:48:37 +0100
From: Borislav Petkov <bp@...en8.de>
To: Michael Roth <michael.roth@....com>
Cc: x86@...nel.org, kvm@...r.kernel.org, linux-coco@...ts.linux.dev,
	linux-mm@...ck.org, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	jroedel@...e.de, thomas.lendacky@....com, hpa@...or.com,
	ardb@...nel.org, pbonzini@...hat.com, seanjc@...gle.com,
	vkuznets@...hat.com, jmattson@...gle.com, luto@...nel.org,
	dave.hansen@...ux.intel.com, slp@...hat.com, pgonda@...gle.com,
	peterz@...radead.org, srinivas.pandruvada@...ux.intel.com,
	rientjes@...gle.com, tobin@....com, vbabka@...e.cz,
	kirill@...temov.name, ak@...ux.intel.com, tony.luck@...el.com,
	sathyanarayanan.kuppuswamy@...ux.intel.com, alpergun@...gle.com,
	jarkko@...nel.org, ashish.kalra@....com, nikunj.dadhania@....com,
	pankaj.gupta@....com, liam.merwick@...cle.com, zhi.a.wang@...el.com,
	Brijesh Singh <brijesh.singh@....com>
Subject: Re: [PATCH v1 14/26] crypto: ccp: Provide API to issue SEV and SNP
 commands

On Sat, Dec 30, 2023 at 10:19:42AM -0600, Michael Roth wrote:
> +/**
> + * sev_do_cmd - issue an SEV or an SEV-SNP command
> + *
> + * @cmd: SEV or SEV-SNP firmware command to issue
> + * @data: arguments for firmware command
> + * @psp_ret: SEV command return code
> + *
> + * Returns:
> + * 0 if the SEV successfully processed the command

More forgotten feedback:

---
diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h
index 0581f194cdd0..a356a7b7408e 100644
--- a/include/linux/psp-sev.h
+++ b/include/linux/psp-sev.h
@@ -922,7 +922,7 @@ int sev_guest_decommission(struct sev_data_decommission *data, int *error);
  * @psp_ret: SEV command return code
  *
  * Returns:
- * 0 if the SEV successfully processed the command
+ * 0 if the SEV device successfully processed the command
  * -%ENODEV    if the PSP device is not available
  * -%ENOTSUPP  if PSP device does not support SEV
  * -%ETIMEDOUT if the SEV command timed out

---

Also, pls add it to your TODO list as a very low prio item to fixup all
this complains about:

/scripts/kernel-doc -none include/linux/psp-sev.h

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette