Hi,
> > > > +source "drivers/crypto/virtio/Kconfig"
> > > > +
> > > > endif # CRYPTO_HW
> > > > diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
> > > > index ad7250f..bc53cb8 100644
> > > > --- a/drivers/crypto/Makefile
> > > > +++ b/drivers/crypto/Makefile
> > > > @@ -32,3 +32,4 @@ obj-$(CONFIG_CRYPTO_DEV_VMX) += vmx/
> > > > obj-$(CONFIG_CRYPTO_DEV_SUN4I_SS) += sunxi-ss/
> > > > obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rockchip/
> > > > obj-$(CONFIG_CRYPTO_DEV_CHELSIO) += chelsio/
> > > > +obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio/
> > > > diff --git a/drivers/crypto/virtio/Kconfig b/drivers/crypto/virtio/Kconfig
> > > > new file mode 100644
> > > > index 0000000..ceae88c
> > > > --- /dev/null
> > > > +++ b/drivers/crypto/virtio/Kconfig
> > > > @@ -0,0 +1,10 @@
> > > > +config CRYPTO_DEV_VIRTIO
> > > > + tristate "VirtIO crypto driver"
> > > > + depends on VIRTIO
> > > > + select CRYPTO_AEAD
> > > > + select CRYPTO_AUTHENC
> > > > + select CRYPTO_BLKCIPHER
> > >
> > > Inconsistent tab vs space whitespace usage.
> > >
> Will fix.
>
> > > > + default m
> > > > + help
> > > > + This driver provides support for virtio crypto device. If you
> > > > + choose 'M' here, this module will be called virtio-crypto.
> > >
> > > All the other virtio drivers use underscore ('_') instead of hyphen
> > > ('-').
> >
> > Except virtio-rng.
> >
> > > I suggest calling it virtio_crypto for consistency.
> > >
> OK, I will change the Makefile to fix it.
>
I tried to do this, but I failed. Because virtio_crypto.ko
consists of more than one source file which include tree files currently,
and virtio_crypto.ko matchs the name of virtio_crypto.c.
That's different with all other virtio drivers.
The Makefile can't address this situation well, I googled it, and I find a way in
http://stackoverflow.com/questions/13606075/building-a-kernel-module-from-several-source-files-which-one-of-them-has-the-sam
Proper way to fix in kernel make file would be as:
#
obj-m += module.o
#append other source files except module.c which would be include by default
module-objs += src1.o src2.o
Unfortunately it doesn't work because virtio_crypto.c isn't compiled.
# insmod virtio_crypto.ko
insmod: ERROR: could not insert module virtio_crypto.ko: Unknown symbol in module
# dmesg
[74339.311801] virtio_crypto: Unknown symbol virtqueue_is_broken (err 0)
[74339.311816] virtio_crypto: Unknown symbol crypto_register_algs (err 0)
[74339.311833] virtio_crypto: Unknown symbol virtqueue_add_sgs (err 0)
[74339.311839] virtio_crypto: Unknown symbol virtqueue_get_buf (err 0)
[74339.311844] virtio_crypto: Unknown symbol virtqueue_kick (err 0)
[74339.311854] virtio_crypto: Unknown symbol crypto_ablkcipher_type (err 0)
[74339.311860] virtio_crypto: Unknown symbol crypto_unregister_algs (err 0)
It seems that I have no choice but to name the module to 'virtio-crypto' for simplicity.
Regards,
-Gonglei
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