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Date: Sat, 1 Mar 2025 03:45:10 +0200
From: Jarkko Sakkinen <jarkko@kernel.org>
To: Stefano Garzarella <sgarzare@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Claudio Carvalho <cclaudio@linux.ibm.com>,
	Peter Huewe <peterhuewe@gmx.de>, x86@kernel.org,
	Dov Murik <dovmurik@linux.ibm.com>, linux-coco@lists.linux.dev,
	Dionna Glaze <dionnaglaze@google.com>,
	James Bottomley <James.Bottomley@hansenpartnership.com>,
	Ingo Molnar <mingo@redhat.com>, Joerg Roedel <jroedel@suse.de>,
	Jason Gunthorpe <jgg@ziepe.ca>, linux-integrity@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [RFC PATCH v2 3/6] tpm: add send_recv() ops in tpm_class_ops
Message-ID: <Z8Jmps6AF_geaHUw@kernel.org>
References: <20250228170720.144739-1-sgarzare@redhat.com>
 <20250228170720.144739-4-sgarzare@redhat.com>
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In-Reply-To: <20250228170720.144739-4-sgarzare@redhat.com>

On Fri, Feb 28, 2025 at 06:07:17PM +0100, Stefano Garzarella wrote:
> +	int (*send_recv)(struct tpm_chip *chip, u8 *buf, size_t buf_len,
> +			 size_t to_send);

Please describe the meaning and purpose of to_send.

BR, Jarkko