Commit Graph

25 Commits

Author SHA1 Message Date
Paolo Bonzini
83c9f4ca79 hw: include hw header files with full paths
Done with this script:

cd hw
for i in `find . -name '*.h' | sed 's/^..//'`; do
  echo '\,^#.*include.*["<]'$i'[">], s,'$i',hw/&,'
done | sed -i -f - `find . -type f`

This is so that paths remain valid as files are moved.

Instead, files in hw/dataplane are referenced with the relative path.
We know they are not going to move to include/, and they are the only
include files that are in subdirectories _and_ move.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-01 15:01:17 +01:00
Jason Wang
cc1f0f4542 net: introduce qemu_get_nic()
To support multiqueue, this patch introduces a helper qemu_get_nic() to get
NICState from a NetClientState. The following patches would refactor this helper
to support multiqueue.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-01 11:03:00 -06:00
Jason Wang
b356f76de3 net: introduce qemu_get_queue()
To support multiqueue, the patch introduce a helper qemu_get_queue()
which is used to get the NetClientState of a device. The following patches would
refactor this helper to support multiqueue.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-01 11:02:55 -06:00
Andreas Färber
8c43a6f05d Make all static TypeInfos const
Since 39bffca203 (qdev: register all
types natively through QEMU Object Model), TypeInfo as used in
the common, non-iterative pattern is no longer amended with information
and should therefore be const.

Fix the documented QOM examples:

 sed -i 's/static TypeInfo/static const TypeInfo/g' include/qom/object.h

Since frequently the wrong examples are being copied by contributors of
new devices, fix all types in the tree:

 sed -i 's/^static TypeInfo/static const TypeInfo/g' */*.c
 sed -i 's/^static TypeInfo/static const TypeInfo/g' */*/*.c

This also avoids to piggy-back these changes onto real functional
changes or other refactorings.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-10 15:11:53 -06:00
Paolo Bonzini
1422e32db5 net: reorganize headers
Move public headers to include/net, and leave private headers in net/.
Put the virtio headers in include/net/tap.h, removing the multiple copies
that existed.  Leave include/net/tap.h as the interface for NICs, and
net/tap_int.h as the interface for OS-specific parts of the tap backend.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:29 +01:00
Andreas Färber
b13ce26d3e spapr: Pass PowerPCCPU to hypercalls
Needed for changing cpu_has_work() argument type to CPUState,
used in h_cede().

Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-10-31 01:02:46 +01:00
Alexey Kardashevskiy
a307d59434 pseries: Rework irq assignment to avoid carrying qemu_irqs around
Currently, the interfaces in the pseries machine code for assignment
and setup of interrupts pass around qemu_irq objects.  That was done
in an attempt not to be too closely linked to the specific XICS
interrupt controller.  However interactions with the device tree setup
made that attempt rather futile, and XICS is part of the PAPR spec
anyway, so this really just meant we had to carry both the qemu_irq
pointers and the XICS irq numbers around.

This mess will just get worse when we add upcoming PCI MSI support,
since that will require tracking a bunch more interrupt.  Therefore,
this patch reworks the spapr code to just use XICS irq numbers
(roughly equivalent to GSIs on x86) and only retrieve the qemu_irq
pointers from the XICS code when we need them (a trivial lookup).

This is a reworked and generalized version of an earlier spapr_pci
specific patch from Alexey Kardashevskiy.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[agraf: fix checkpath warning]
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-08-15 19:43:16 +02:00
Stefan Hajnoczi
4e68f7a081 net: Rename VLANClientState to NetClientState
The vlan feature is no longer part of net core.  Rename VLANClientState
to NetClientState because net clients are not explicitly associated with
a vlan at all, instead they have a peer net client to which they are
connected.

This patch is a mechanical search-and-replace except for a few
whitespace fixups where changing VLANClientState to NetClientState
misaligned whitespace.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2012-08-01 13:32:10 +01:00
Laszlo Ersek
2be64a68ed hw, net: "net_client_type" -> "NetClientOptionsKind" (qapi-generated)
NET_CLIENT_TYPE_ -> NET_CLIENT_OPTIONS_KIND_

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-23 11:55:18 +01:00
David Gibson
ad0ebb91cd pseries: Convert sPAPR TCEs to use generic IOMMU infrastructure
The pseries platform already contains an IOMMU implementation, since it is
essential for the platform's paravirtualized VIO devices.  This IOMMU
support is currently built into the implementation of the VIO "bus" and
the various VIO devices.

This patch converts this code to make use of the new common IOMMU
infrastructure.

We don't yet handle synchronization of map/unmap callbacks vs. invalidations,
this will require some complex interaction with the kernel and is not a
major concern at this stage.

Cc: Alex Graf <agraf@suse.de>

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-06-27 16:33:25 -05:00
David Gibson
d601fac478 pseries: Implement automatic PAPR VIO address allocation
PAPR virtual IO (VIO) devices require a unique, but otherwise arbitrary,
"address" used as a token to the hypercalls which manipulate them.

Currently the pseries machine code does an ok job of allocating these
addresses when the legacy -net nic / -serial and so forth options are used
but will fail to allocate them properly when using -device.

Specifically, you can use -device if all addresses are explicitly assigned.
Without explicit assignment, only one VIO device of each type (network,
console, SCSI) will be assigned properly, any further ones will attempt
to take the same address leading to a fatal error.

This patch fixes the situation by adding a proper address allocator to the
VIO "bus" code.  This is used both by -device and the legacy options and
default devices.  Addresses can still be explicitly assigned with -device
options if desired.

This patch changes the (guest visible) numbering of VIO devices, but since
their addresses are discovered using the device tree and already differ
from the numbering found on existing PowerVM systems, this does not break
compatibility.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-05-01 21:47:00 +02:00
David Gibson
c17491b63e pseries: Fix reset of VIO network device
Currently, the PAPR VIO network device does not have a reset handler.  This
means that after a hard reset, H_REGISTER_LOGICAL_LAN will return an error
when the new guest boot attempts to initialize the device.

This patch corrects this, adding a suitable reset hook.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-04-15 20:07:58 +02:00
David Gibson
d9599c9205 pseries: Clean up hcall_dprintf() debugging messages
The pseries machine code has a number of debug messages for debugging PAPR
hypercalls, dependent on DEBUG_SPAPR_HCALLS.  This patch cleans these
messages up a bit, by adding __func__ to the hcall_dprintf() macro and
simplifying up a number of the individual messages accordingly.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-04-15 17:07:19 +02:00
Andreas Färber
e2684c0b58 ppc hw/: Don't use CPUState
Scripted conversion:
  for file in hw/ppc*.[hc] hw/mpc8544_guts.c hw/spapr*.[hc] hw/virtex_ml507.c hw/xics.c; do
    sed -i "s/CPUState/CPUPPCState/g" $file
  done

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Anthony Liguori <aliguori@us.ibm.com>
2012-03-14 22:20:26 +01:00
Andreas Färber
83f7d43a9e qom: Unify type registration
Replace device_init() with generalized type_init().

While at it, unify naming convention: type_init([$prefix_]register_types)
Also, type_init() is a function, so add preceding blank line where
necessary and don't put a semicolon after the closing brace.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: malc <av1474@comtv.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-15 09:39:21 -06:00
Anthony Liguori
39bffca203 qdev: register all types natively through QEMU Object Model
This was done in a mostly automated fashion.  I did it in three steps and then
rebased it into a single step which avoids repeatedly touching every file in
the tree.

The first step was a sed-based addition of the parent type to the subclass
registration functions.

The second step was another sed-based removal of subclass registration functions
while also adding virtual functions from the base class into a class_init
function as appropriate.

Finally, a python script was used to convert the DeviceInfo structures and
qdev_register_subclass functions to TypeInfo structures, class_init functions,
and type_register_static calls.

We are almost fully converted to QOM after this commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-03 10:41:06 -06:00
Anthony Liguori
3954d33ab7 spapr: convert to QEMU Object Model (v2)
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
v1 -> v2
 - use QOM to check for the default console
2012-01-27 10:50:49 -06:00
Anthony Liguori
e855761ca8 qdev: prepare source tree for code conversion
These are various small stylistic changes which help make things more
consistent such that the automated conversion script can be simpler.

It's not necessary to agree or disagree with these style changes because all
of this code is going to be rewritten by the patch monkey script anyway.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27 10:50:47 -06:00
Anthony Liguori
f79f2bfc6a qdev: don't access name through info
We already have a QOM interface for this so let's use it.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27 10:50:39 -06:00
David Gibson
1fc02533e7 pseries: Remove hcalls callback
For forgotten historical reasons, PAPR hypercalls for specific virtual IO
devices (oh which there are quite a number) are registered via a callback
in the VIOsPAPRDeviceInfo structure.

This is kind of ugly, so this patch instead registers hypercalls from
device_init() functions for each device type.  This works just as well,
and is cleaner.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-01-03 15:49:11 +01:00
Paolo Bonzini
77c7ea5ebb spapr: prepare for qdevification of irq
Restructure common properties for sPAPR devices so that IRQ definitions
can be added in one place.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-10-06 09:43:32 +02:00
Paolo Bonzini
277f9acf79 spapr: proper qdevification
Right now the spapr devices cannot be instantiated with -device,
because the IRQs need to be passed to the spapr_*_create functions.
Do this instead in the bus's init wrapper.

This is particularly important with the conversion from scsi-disk
to scsi-{cd,hd} that Markus made.  After his patches, if you
specify a scsi-cd device attached to an if=none drive, the default
VSCSI controller will not be created and, without qdevification,
you will not be able to add yours.

NOTE from agraf: added small compile fix

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-10-06 09:43:32 +02:00
David Gibson
1235a9cf17 pSeries: Clean up write-only variables
A few pieces of the pSeries emulation code have variables which are set
but never used, which causes warnings on gcc 4.6.  This patch removes
these instances.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-20 17:56:03 +02:00
Alexey Kardashevskiy
fa227023f0 spapr_llan: Fix warning when compiled with -dDEBUG
Compiling with the DEBUG macro causes leaves hw/spapr_llan.c with an
unused variable, which is treated as an error in the qemu build.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-04-07 14:25:53 +01:00
David Gibson
8d90ad9005 Implement sPAPR Virtual LAN (ibmveth)
This patch implements the PAPR specified Inter Virtual Machine Logical
LAN; that is the virtual hardware used by the Linux ibmveth driver.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-04-01 18:34:56 +02:00