Re: [Qemu-devel] [PATCH] Add support for r6040 NIC

From: malc <av1474@comtv.ru>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: qemu-devel@nongnu.org, bifferos <bifferos@yahoo.co.uk>
Subject: Re: [Qemu-devel] [PATCH] Add support for r6040 NIC
Date: Wed, 31 Aug 2011 05:30:43 +0400 (MSD)	[thread overview]
Message-ID: <alpine.LNX.2.00.1108310527290.3538@linmac> (raw)
In-Reply-To: <4E5D8BAA.9010302@codemonkey.ws>

On Tue, 30 Aug 2011, Anthony Liguori wrote:

> This won't even come close to passing checkpatch.pl

Have you actually tried?

> 
> Regards,
> 
> Anthony Liguori
> 
> On 08/30/2011 08:05 PM, bifferos wrote:
> > 
> > Signed-off-by: Mark Kelly<mark@bifferos.com>
> > diff --git a/Makefile.objs b/Makefile.objs
> > index 6991a9f..7d87503 100644
> > --- a/Makefile.objs
> > +++ b/Makefile.objs
> > @@ -240,6 +240,7 @@ hw-obj-$(CONFIG_PCNET_PCI) += pcnet-pci.o
> >   hw-obj-$(CONFIG_PCNET_COMMON) += pcnet.o
> >   hw-obj-$(CONFIG_E1000_PCI) += e1000.o
> >   hw-obj-$(CONFIG_RTL8139_PCI) += rtl8139.o
> > +hw-obj-$(CONFIG_R6040_PCI) += r6040.o
> > 
> >   hw-obj-$(CONFIG_SMC91C111) += smc91c111.o
> >   hw-obj-$(CONFIG_LAN9118) += lan9118.o
> > diff --git a/default-configs/pci.mak b/default-configs/pci.mak
> > index 22bd350..d2ea7a2 100644
> > --- a/default-configs/pci.mak
> > +++ b/default-configs/pci.mak
> > @@ -10,6 +10,7 @@ CONFIG_PCNET_PCI=y
> >   CONFIG_PCNET_COMMON=y
> >   CONFIG_LSI_SCSI_PCI=y
> >   CONFIG_RTL8139_PCI=y
> > +CONFIG_R6040_PCI=y
> >   CONFIG_E1000_PCI=y
> >   CONFIG_IDE_CORE=y
> >   CONFIG_IDE_QDEV=y
> > diff --git a/hw/pci.c b/hw/pci.c
> > index b904a4e..7e12935 100644
> > --- a/hw/pci.c
> > +++ b/hw/pci.c
> > @@ -1527,6 +1527,7 @@ static const char * const pci_nic_models[] = {
> >       "rtl8139",
> >       "e1000",
> >       "pcnet",
> > +    "r6040",
> >       "virtio",
> >       NULL
> >   };
> > @@ -1539,6 +1540,7 @@ static const char * const pci_nic_names[] = {
> >       "rtl8139",
> >       "e1000",
> >       "pcnet",
> > +    "r6040",
> >       "virtio-net-pci",
> >       NULL
> >   };
> > diff --git a/hw/r6040.c b/hw/r6040.c
> > new file mode 100644
> > index 0000000..83587e7
> > --- /dev/null
> > +++ b/hw/r6040.c
> > @@ -0,0 +1,627 @@
> > +/*
> > +   Emulation of r6040 ethernet controller found in a number of SoCs.
> > +   Copyright (c) 2011 Mark Kelly, mark@bifferos.com

This doesn't spell out under which conditions this can be used by
people other than Mark Kelly.

> > +
> > +   This has been written using the R8610[1] and ip101a[2] datasheets.
> > +
> > +   ICs with the embedded controller include R8610, R3210, AMRISC20000
> > +   and Vortex86SX
> > +
> > +   The emulation seems good enough to fool Linux 2.6.37.6.  It is
> > +   not perfect, but has proven useful.
> > +
> > +   [1] http://www.sima.com.tw/download/R8610_D06_20051003.pdf
> > +   [2] http://www.icplus.com.tw/pp-IP101A.html
> > + */
> > +
> > +#include "hw.h"
> > +#include "pci.h"
> > +#include "net.h"
> > +#include "loader.h"
> > +#include "sysemu.h"
> > +#include "qemu-timer.h"
> > +
> > +/* #define DEBUG_R6040 1 */
> > +
> > +
> > +#if defined DEBUG_R6040
> > +#define DPRINTF(fmt, ...) \
> > +    do { fprintf(stderr, "R6040: " fmt, ## __VA_ARGS__); } while (0)
> > +#else
> > +static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
> > +{
> > +    return 0;
> > +}
> > +#endif
> > +
> > +
> > +/* Cast in order of appearance.  _W prevfix means it's used to index the

                                         prefix (though suffix is even better)

[..snip..]

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