linux-kernel - Re: [tpmdd-devel] [PATCH v8 6/8] tpm: TPM 2.0 baseline support

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Date:	Tue, 02 Dec 2014 21:21:02 -0500
From:	Stefan Berger <stefanb@...ux.vnet.ibm.com>
To:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	Peter Huewe <peterhuewe@....de>,
	Ashley Lai <ashley@...leylai.com>,
	Marcel Selhorst <tpmdd@...horst.net>
CC:	christophe.ricard@...il.com, josh.triplett@...el.com,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	Will Arthur <will.c.arthur@...el.com>,
	tpmdd-devel@...ts.sourceforge.net,
	jason.gunthorpe@...idianresearch.com,
	trousers-tech@...ts.sourceforge.net
Subject: Re: [tpmdd-devel] [PATCH v8 6/8] tpm: TPM 2.0 baseline support

On 12/02/2014 05:31 PM, Jarkko Sakkinen wrote:
> +
> +#define TPM2_STARTUP_IN_SIZE \
> +	(sizeof(struct tpm_input_header) + \
> +	 sizeof(struct tpm2_pcr_read_in))
> +
> +static const struct tpm_input_header tpm2_startup_header = {
> +	.tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
> +	.length = cpu_to_be32(TPM2_STARTUP_IN_SIZE),
> +	.ordinal = cpu_to_be32(TPM2_CC_STARTUP)
> +};
> +
>
[...]
> +
> +#define TPM2_PCR_READ_IN_SIZE \
> +	(sizeof(struct tpm_input_header) + \
> +	 sizeof(struct tpm2_pcr_read_in))
> +
> +static const struct tpm_input_header tpm2_pcrread_header = {
> +	.tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
> +	.length = cpu_to_be32(TPM2_PCR_READ_IN_SIZE),
> +	.ordinal = cpu_to_be32(TPM2_CC_PCR_READ)
> +};
> +
>
[...]
> +static const struct tpm_input_header tpm2_pcrextend_header = {
> +	.tag = cpu_to_be16(TPM2_ST_SESSIONS),
> +	.length = cpu_to_be32(sizeof(struct tpm_input_header) +
> +			      sizeof(struct tpm2_pcr_extend_in)),
> +	.ordinal = cpu_to_be32(TPM2_CC_PCR_EXTEND)
> +};


really just a nit: also use a #define here



> +static const struct tpm_input_header tpm2_getrandom_header = {
> +	.tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
> +	.length = cpu_to_be32(sizeof(struct tpm_input_header) +
> +			      sizeof(struct tpm2_get_random_in)),
> +	.ordinal = cpu_to_be32(TPM2_CC_GET_RANDOM)
> +};
> +
also here

> +
> +#define TPM2_GET_TPM_PT_IN_SIZE \
> +	(sizeof(struct tpm_input_header) + \
> +	 sizeof(struct tpm2_get_tpm_pt_in))
> +
> +static const struct tpm_input_header tpm2_get_tpm_pt_header = {
> +	.tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
> +	.length = cpu_to_be32(TPM2_GET_TPM_PT_IN_SIZE),
> +	.ordinal = cpu_to_be32(TPM2_CC_GET_CAPABILITY)
> +};
> +


Otherwise it looks good now.

    Stefan

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