linux-kernel - Re: [vmw_vmci 11/11] Apply the header code to make VMCI build

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Message-ID: <20120727105357.2e40dd10@pyramind.ukuu.org.uk>
Date:	Fri, 27 Jul 2012 10:53:57 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Andrew Stiegmann (stieg)" <astiegmann@...are.com>
Cc:	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, pv-drivers@...are.com,
	vm-crosstalk@...are.com, cschamp@...are.com,
	gregkh@...uxfoundation.org
Subject: Re: [vmw_vmci 11/11] Apply the header code to make VMCI build

> +enum {
> +	VMCI_SUCCESS_QUEUEPAIR_ATTACH	=  5,
> +	VMCI_SUCCESS_QUEUEPAIR_CREATE	=  4,
> +	VMCI_SUCCESS_LAST_DETACH	=  3,
> +	VMCI_SUCCESS_ACCESS_GRANTED	=  2,
> +	VMCI_SUCCESS_ENTRY_DEAD	=  1,

We've got a nice collection of Linux error codes than you, and it would
make the driver enormously more readable on the Linux side if as low
level as possible it started using Linux error codes.


> +	VMCI_SUCCESS			=  0,
> +	VMCI_ERROR_INVALID_RESOURCE	= (-1),
> +	VMCI_ERROR_INVALID_ARGS	= (-2),
> +	VMCI_ERROR_NO_MEM		= (-3),
> +	VMCI_ERROR_DATAGRAM_FAILED	= (-4),
> +	VMCI_ERROR_MORE_DATA		= (-5),
> +	VMCI_ERROR_NO_MORE_DATAGRAMS	= (-6),
> +	VMCI_ERROR_NO_ACCESS		= (-7),
> +	VMCI_ERROR_NO_HANDLE		= (-8),
> +	VMCI_ERROR_DUPLICATE_ENTRY	= (-9),
> +	VMCI_ERROR_DST_UNREACHABLE	= (-10),
> +	VMCI_ERROR_PAYLOAD_TOO_LARGE	= (-11),
> +	VMCI_ERROR_INVALID_PRIV	= (-12),
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