linux-kernel - Re: [PATCH v3 4/5] xen: Define EFI related stuff

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Message-Id: <5332E3600200007800002597@nat28.tlf.novell.com>
Date:	Wed, 26 Mar 2014 13:25:36 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Daniel Kiper" <daniel.kiper@...cle.com>
Cc:	<david.vrabel@...rix.com>, <ian.campbell@...rix.com>,
	<stefano.stabellini@...citrix.com>, <jeremy@...p.org>,
	<fenghua.yu@...el.com>, <matt.fleming@...el.com>,
	<tony.luck@...el.com>, <x86@...nel.org>, <tglx@...utronix.de>,
	<xen-devel@...ts.xenproject.org>, <boris.ostrovsky@...cle.com>,
	<konrad.wilk@...cle.com>, "Tang Liang" <liang.tang@...cle.com>,
	<eshelton@...ox.com>, <mingo@...hat.com>,
	<linux-efi@...r.kernel.org>, <linux-ia64@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <hpa@...or.com>
Subject: Re: [PATCH v3 4/5] xen: Define EFI related stuff

>>> On 25.03.14 at 21:57, <daniel.kiper@...cle.com> wrote:
> Define EFI related stuff for Xen.
> 
> This patch is based on Jan Beulich and Tang Liang work.

And with this, ...

> Signed-off-by: Daniel Kiper <daniel.kiper@...cle.com>
> Signed-off-by: Tang Liang <liang.tang@...cle.com>
> Signed-off-by: Jan Beulich <jbeulich@...e.com>

... these should be in the reverse order to reflect flow.

> +struct xenpf_efi_runtime_call {
> +	uint32_t function;
> +    /*
> +     * This field is generally used for per sub-function flags (defined
> +     * below), except for the XEN_EFI_get_next_high_monotonic_count case,
> +     * where it holds the single returned value.
> +     */
> +	uint32_t misc;
> +	unsigned long status;
> +	union {

You surely would want to use consistent indentation here (i.e. a leading
hard tab)?

> @@ -143,7 +245,25 @@ struct xenpf_firmware_info {
>  			/* must refer to 128-byte buffer */
>  			GUEST_HANDLE(uchar) edid;
>  		} vbeddc_info; /* XEN_FW_VBEDDC_INFO */
> -

Please retain blank lines like this ...

> +		union xenpf_efi_info {
> +			uint32_t version;
> +			struct {
> +				uint64_t addr;   /* EFI_CONFIGURATION_TABLE */
> +				uint32_t nent;
> +			} cfg;
> +			struct {
> +				uint32_t revision;
> +				uint32_t bufsz;  /* input, in bytes */
> +				GUEST_HANDLE(void) name;
> +				/* UCS-2/UTF-16 string */
> +				} vendor;
> +			struct {
> +				uint64_t addr;
> +				uint64_t size;
> +				uint64_t attr;
> +				uint32_t type;
> +				} mem;
> +		} efi_info; /* XEN_FW_EFI_INFO */

... and add one here.

Jan

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