Re: [Xen-devel] [PATCH v2 4/9] xen/9pfs: introduce Xen 9pfs backend

2017-03-14 Thread Stefano Stabellini 
On Tue, 14 Mar 2017, Juergen Gross wrote:
> On 14/03/17 00:55, Stefano Stabellini wrote:
> > Introduce the Xen 9pfs backend: add struct XenDevOps to register as a
> > Xen backend and add struct V9fsTransport to register as v9fs transport.
> > 
> > All functions are empty stubs for now.
> > 
> > Signed-off-by: Stefano Stabellini 
> > Reviewed-by: Greg Kurz 
> > CC: anthony.per...@citrix.com
> > CC: jgr...@suse.com
> > CC: Aneesh Kumar K.V 
> > CC: Greg Kurz 
> > ---
> >  hw/9pfs/xen-9p-backend.c | 96 
> > 
> >  1 file changed, 96 insertions(+)
> >  create mode 100644 hw/9pfs/xen-9p-backend.c
> > 
> > diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
> > new file mode 100644
> > index 000..35032d3
> > --- /dev/null
> > +++ b/hw/9pfs/xen-9p-backend.c
> > @@ -0,0 +1,96 @@
> > +/*
> > + * Xen 9p backend
> > + *
> > + * Copyright Aporeto 2017
> > + *
> > + * Authors:
> > + *  Stefano Stabellini 
> > + *
> > + */
> > +
> > +#include "qemu/osdep.h"
> > +
> > +#include "hw/hw.h"
> > +#include "hw/9pfs/9p.h"
> > +#include "hw/xen/xen_backend.h"
> > +#include "xen_9pfs.h"
> > +#include "qemu/config-file.h"
> > +#include "fsdev/qemu-fsdev.h"
> > +
> > +typedef struct Xen9pfsDev {
> > +struct XenDevice xendev;  /* must be first */
> > +} Xen9pfsDev;
> > +
> > +static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu,
> > + size_t offset,
> > + const char *fmt,
> > + va_list ap)
> > +{
> > +return 0;
> > +}
> > +
> > +static ssize_t xen_9pfs_pdu_vunmarshal(V9fsPDU *pdu,
> > +   size_t offset,
> > +   const char *fmt,
> > +   va_list ap)
> > +{
> > +return 0;
> > +}
> > +
> > +static void xen_9pfs_init_out_iov_from_pdu(V9fsPDU *pdu,
> > +   struct iovec **piov,
> > +   unsigned int *pniov)
> > +{
> > +}
> > +
> > +static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu,
> > +  struct iovec **piov,
> > +  unsigned int *pniov,
> > +  size_t size)
> > +{
> > +}
> > +
> > +static void xen_9pfs_push_and_notify(V9fsPDU *pdu)
> > +{
> > +}
> > +
> > +static const struct V9fsTransport xen_9p_transport = {
> > +.pdu_vmarshal = xen_9pfs_pdu_vmarshal,
> > +.pdu_vunmarshal = xen_9pfs_pdu_vunmarshal,
> > +.init_in_iov_from_pdu = xen_9pfs_init_in_iov_from_pdu,
> > +.init_out_iov_from_pdu = xen_9pfs_init_out_iov_from_pdu,
> > +.push_and_notify = xen_9pfs_push_and_notify,
> > +};
> > +
> > +static int xen_9pfs_init(struct XenDevice *xendev)
> > +{
> > +return 0;
> > +}
> > +
> > +static int xen_9pfs_free(struct XenDevice *xendev)
> > +{
> > +return -1;
> > +}
> > +
> > +static int xen_9pfs_connect(struct XenDevice *xendev)
> > +{
> > +return 0;
> > +}
> > +
> > +static void xen_9pfs_alloc(struct XenDevice *xendev)
> > +{
> > +}
> > +
> > +static void xen_9pfs_disconnect(struct XenDevice *xendev)
> > +{
> > +}
> > +
> > +struct XenDevOps xen_9pfs_ops = {
> > +.size   = sizeof(Xen9pfsDev),
> > +.flags  = DEVOPS_FLAG_NEED_GNTDEV,
> > +.alloc  = xen_9pfs_alloc,
> > +.init   = xen_9pfs_init,
> > +.initialise= xen_9pfs_connect,
> 
> Alignment?

I'll fix, thanks


> > +.disconnect = xen_9pfs_disconnect,
> > +.free   = xen_9pfs_free,
> > +};
> > 


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Re: [Xen-devel] [PATCH v2 4/9] xen/9pfs: introduce Xen 9pfs backend

2017-03-14 Thread Juergen Gross 
On 14/03/17 00:55, Stefano Stabellini wrote:
> Introduce the Xen 9pfs backend: add struct XenDevOps to register as a
> Xen backend and add struct V9fsTransport to register as v9fs transport.
> 
> All functions are empty stubs for now.
> 
> Signed-off-by: Stefano Stabellini 
> Reviewed-by: Greg Kurz 
> CC: anthony.per...@citrix.com
> CC: jgr...@suse.com
> CC: Aneesh Kumar K.V 
> CC: Greg Kurz 
> ---
>  hw/9pfs/xen-9p-backend.c | 96 
> 
>  1 file changed, 96 insertions(+)
>  create mode 100644 hw/9pfs/xen-9p-backend.c
> 
> diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
> new file mode 100644
> index 000..35032d3
> --- /dev/null
> +++ b/hw/9pfs/xen-9p-backend.c
> @@ -0,0 +1,96 @@
> +/*
> + * Xen 9p backend
> + *
> + * Copyright Aporeto 2017
> + *
> + * Authors:
> + *  Stefano Stabellini 
> + *
> + */
> +
> +#include "qemu/osdep.h"
> +
> +#include "hw/hw.h"
> +#include "hw/9pfs/9p.h"
> +#include "hw/xen/xen_backend.h"
> +#include "xen_9pfs.h"
> +#include "qemu/config-file.h"
> +#include "fsdev/qemu-fsdev.h"
> +
> +typedef struct Xen9pfsDev {
> +struct XenDevice xendev;  /* must be first */
> +} Xen9pfsDev;
> +
> +static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu,
> + size_t offset,
> + const char *fmt,
> + va_list ap)
> +{
> +return 0;
> +}
> +
> +static ssize_t xen_9pfs_pdu_vunmarshal(V9fsPDU *pdu,
> +   size_t offset,
> +   const char *fmt,
> +   va_list ap)
> +{
> +return 0;
> +}
> +
> +static void xen_9pfs_init_out_iov_from_pdu(V9fsPDU *pdu,
> +   struct iovec **piov,
> +   unsigned int *pniov)
> +{
> +}
> +
> +static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu,
> +  struct iovec **piov,
> +  unsigned int *pniov,
> +  size_t size)
> +{
> +}
> +
> +static void xen_9pfs_push_and_notify(V9fsPDU *pdu)
> +{
> +}
> +
> +static const struct V9fsTransport xen_9p_transport = {
> +.pdu_vmarshal = xen_9pfs_pdu_vmarshal,
> +.pdu_vunmarshal = xen_9pfs_pdu_vunmarshal,
> +.init_in_iov_from_pdu = xen_9pfs_init_in_iov_from_pdu,
> +.init_out_iov_from_pdu = xen_9pfs_init_out_iov_from_pdu,
> +.push_and_notify = xen_9pfs_push_and_notify,
> +};
> +
> +static int xen_9pfs_init(struct XenDevice *xendev)
> +{
> +return 0;
> +}
> +
> +static int xen_9pfs_free(struct XenDevice *xendev)
> +{
> +return -1;
> +}
> +
> +static int xen_9pfs_connect(struct XenDevice *xendev)
> +{
> +return 0;
> +}
> +
> +static void xen_9pfs_alloc(struct XenDevice *xendev)
> +{
> +}
> +
> +static void xen_9pfs_disconnect(struct XenDevice *xendev)
> +{
> +}
> +
> +struct XenDevOps xen_9pfs_ops = {
> +.size   = sizeof(Xen9pfsDev),
> +.flags  = DEVOPS_FLAG_NEED_GNTDEV,
> +.alloc  = xen_9pfs_alloc,
> +.init   = xen_9pfs_init,
> +.initialise= xen_9pfs_connect,

Alignment?

> +.disconnect = xen_9pfs_disconnect,
> +.free   = xen_9pfs_free,
> +};
> 

Juergen

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[Xen-devel] [PATCH v2 4/9] xen/9pfs: introduce Xen 9pfs backend

2017-03-13 Thread Stefano Stabellini 
Introduce the Xen 9pfs backend: add struct XenDevOps to register as a
Xen backend and add struct V9fsTransport to register as v9fs transport.

All functions are empty stubs for now.

Signed-off-by: Stefano Stabellini 
Reviewed-by: Greg Kurz 
CC: anthony.per...@citrix.com
CC: jgr...@suse.com
CC: Aneesh Kumar K.V 
CC: Greg Kurz 
---
 hw/9pfs/xen-9p-backend.c | 96 
 1 file changed, 96 insertions(+)
 create mode 100644 hw/9pfs/xen-9p-backend.c

diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
new file mode 100644
index 000..35032d3
--- /dev/null
+++ b/hw/9pfs/xen-9p-backend.c
@@ -0,0 +1,96 @@
+/*
+ * Xen 9p backend
+ *
+ * Copyright Aporeto 2017
+ *
+ * Authors:
+ *  Stefano Stabellini 
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "hw/hw.h"
+#include "hw/9pfs/9p.h"
+#include "hw/xen/xen_backend.h"
+#include "xen_9pfs.h"
+#include "qemu/config-file.h"
+#include "fsdev/qemu-fsdev.h"
+
+typedef struct Xen9pfsDev {
+struct XenDevice xendev;  /* must be first */
+} Xen9pfsDev;
+
+static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu,
+ size_t offset,
+ const char *fmt,
+ va_list ap)
+{
+return 0;
+}
+
+static ssize_t xen_9pfs_pdu_vunmarshal(V9fsPDU *pdu,
+   size_t offset,
+   const char *fmt,
+   va_list ap)
+{
+return 0;
+}
+
+static void xen_9pfs_init_out_iov_from_pdu(V9fsPDU *pdu,
+   struct iovec **piov,
+   unsigned int *pniov)
+{
+}
+
+static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu,
+  struct iovec **piov,
+  unsigned int *pniov,
+  size_t size)
+{
+}
+
+static void xen_9pfs_push_and_notify(V9fsPDU *pdu)
+{
+}
+
+static const struct V9fsTransport xen_9p_transport = {
+.pdu_vmarshal = xen_9pfs_pdu_vmarshal,
+.pdu_vunmarshal = xen_9pfs_pdu_vunmarshal,
+.init_in_iov_from_pdu = xen_9pfs_init_in_iov_from_pdu,
+.init_out_iov_from_pdu = xen_9pfs_init_out_iov_from_pdu,
+.push_and_notify = xen_9pfs_push_and_notify,
+};
+
+static int xen_9pfs_init(struct XenDevice *xendev)
+{
+return 0;
+}
+
+static int xen_9pfs_free(struct XenDevice *xendev)
+{
+return -1;
+}
+
+static int xen_9pfs_connect(struct XenDevice *xendev)
+{
+return 0;
+}
+
+static void xen_9pfs_alloc(struct XenDevice *xendev)
+{
+}
+
+static void xen_9pfs_disconnect(struct XenDevice *xendev)
+{
+}
+
+struct XenDevOps xen_9pfs_ops = {
+.size   = sizeof(Xen9pfsDev),
+.flags  = DEVOPS_FLAG_NEED_GNTDEV,
+.alloc  = xen_9pfs_alloc,
+.init   = xen_9pfs_init,
+.initialise= xen_9pfs_connect,
+.disconnect = xen_9pfs_disconnect,
+.free   = xen_9pfs_free,
+};
-- 
1.9.1


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