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2009-06-29slirp: Rework external configuration interfaceJan Kiszka
With the internal IP configuration made more flexible, we can now enhance the user interface. This patch adds a number of new options to "-net user": net (address and mask), host, dhcpstart, dns and smbserver. It also renames "redir" to "hostfwd" and "channel" to "guestfwd" in order to (hopefully) clarify their meanings. The format of guestfwd is extended so that the user can define not only the port but also the virtual server's IP address the forwarding starts from. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29slirp: Rework internal configurationJan Kiszka
The user mode IP stack is currently only minimally configurable /wrt to its virtual IP addresses. This is unfortunate if some guest has a fixed idea of which IP addresses to use. Therefore this patch prepares the stack for fully configurable IP addresses and masks. The user interface and default addresses remain untouched in this step, they will be enhanced in the following patch. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29slirp: Move smb, redir, tftp and bootp parameters and -net channelJan Kiszka
So far a couple of slirp-related parameters were expressed via stand-alone command line options. This it inconsistent and unintuitive. Moreover, it prevents both dynamically reconfigured (host_net_add/ delete) and multi-instance slirp. This patch refactors the configuration by turning -smb, -redir, -tftp and -bootp as well as -net channel into options of "-net user". The old stand-alone command line options are still processed, but no longer advertised. This allows smooth migration of management applications to to the new syntax and also the extension of that syntax later in this series. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29Introduce get_next_param_valueJan Kiszka
In order to parse multiple instances of the same param=value pair, introduce get_next_param_value which can pass back to string parsing position after reading a parameter value. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29Revert "User networking: Show active connections"Jan Kiszka
This reverts commit 1c6ed9f3379faac83da0ed3e95cbd49003ac0dd1. It's redundant to slirp statistics, which are going to be split up / reworked later on. Conflicts: monitor.c net.c Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29slirp: Refactor tcp_ctlJan Kiszka
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29slirp: Drop redundant lines from udp_inputJan Kiszka
The socket faddr/fport is already updated a few lines below, so these are completely redundant. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29sdl zoomingStefano Stabellini
Hi all, this patch implements zooming capabilities for the sdl interface. A new sdl_zoom_blit function is added that is able to scale and blit a portion of a surface into another. This way we can enable SDL_RESIZABLE and have a real_screen surface with a different size than the guest surface and let sdl_zoom_blit take care of the problem. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-29Fix QCOW2 debugging code to compile againFilip Navara
Updated to use C99 comments. Signed-off-by: Filip Navara <filip.navara@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24Add serial number support for virtio_blkjohn cooper
[brought forward to current qemu-kvm.git] This patch implements the missing qemu logic to interpret a '-drive .. serial=XYZ ..' flag for a virtio_blk device. The serial number string is contained in a skeletal IDENTIFY DEVICE data structure and this structure is made available to the guest virtio_blk driver via pci i/o region 0. Signed-off-by: john cooper <john.cooper@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24Remove unused gen_bx_T0 function.Filip Navara
Signed-off-by: Filip Navara <filip.navara@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24Make sure to zero out memory before calling madvise to increase robustnessAnthony Liguori
Avi pointed out that it's not entirely safe to rely on madvise zeroing out memory. So let's do it explicitly before calling madvise. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu-io: add aio read/write/flush commandsChristoph Hellwig
Add commands to exercise asynchronous reads/writes and to flush all outstanding aio commands. Commands to exercise aio cancellations will follow in a separate patch. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu-io: Fix spelling in help message.Stefan Weil
excerciser -> exerciser Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24Fix dump output in qemu-io.Stefan Weil
The dump output was not nicely formatted for bytes larger than 0x7f, because signed values expanded to sizeof(int) bytes. So for example 0xab did not print as "ab", but as "ffffffab". I also cleaned the function prototype, which avoids new type casts and allows to remove an existing type cast. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/net: flag to control the number of vectors a nic hasMichael S. Tsirkin
Add an option to specify the number of MSI-X vectors for PCI NIC cards. This can also be used to disable MSI-X, for compatibility with old qemu. This option currently only affects virtio cards. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/net: request 3 vectors in virtio-netMichael S. Tsirkin
Request up to 3 vectors in virtio-net. Actual bindings might supply less. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: add pci_get/set_byteMichael S. Tsirkin
Add pci_get/set_byte to keep *_word and *_long access functions company. They are unused for now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/virtio: virtio save/load bindingsMichael S. Tsirkin
Implement bindings for virtio save/load. Use them in virtio pci. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/virtio: MSI-X support in virtio PCIMichael S. Tsirkin
This enables actual support for MSI-X in virtio PCI. First user will be virtio-net. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/virtio: virtio support for many interrupt vectorsMichael S. Tsirkin
Extend virtio to support many interrupt vectors, and rearrange code in preparation for multi-vector support (mostly move reset out to bindings, because we will have to reset the vectors in transport-specific code). Actual bindings in pci, and use in net, to follow. Load and save are not connected to bindings yet, so they are left stubbed out for now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/apic: minimal MSI/MSI-X implementation for PCMichael S. Tsirkin
Implement MSI support in APIC. Note that MSI and MMIO APIC registers are at the same memory location, but actually not on the global bus: MSI is on PCI bus, APIC is connected directly to the CPU. We map them on the global bus at the same address which happens to work because MSI registers are reserved in APIC MMIO and vice versa. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: MSI-X support functionsMichael S. Tsirkin
Add functions implementing MSI-X support. First user will be virtio-pci. Note that platform must set a flag to declare MSI supported: this is a safety measure to avoid breaking platforms which should support MSI-X but currently lack this in the interrupt controller emulation. For PC this will be set by APIC. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: check constant registers on loadMichael S. Tsirkin
Add "cmask" table of constant register masks: if a bit is not writeable and is set in cmask table, this bit is checked on load. An attempt to load an image that would change such a register causes load to fail. Use this table to make sure that load does not modify registers that guest can not change (directly or indirectly). Note: we can't just assume that read-only registers never change, because the guest could change a register indirectly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: add routines to manage PCI capabilitiesMichael S. Tsirkin
Add routines to manage PCI capability list. First user will be MSI-X. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: helper routines for pci accessMichael S. Tsirkin
Add inline routines for convenient access to pci devices with correct (little) endianness. Will be used by MSI-X support. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-24qemu/pci: make default_write_config use mask tableMichael S. Tsirkin
Change much of hw/pci to use symbolic constants and a table-driven design: add a mask table with writable bits set and readonly bits unset. Detect change by comparing original and new registers. This makes it easy to support capabilities where read-only/writeable bit layout differs between devices, depending on capabilities present. As a result, writing a single byte in BAR registers now works as it should. Writing to upper limit registers in the bridge also works as it should. Code is also shorter. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-23add sparc64-softmmu to default configure targets listIgor V. Kovalenko
Add sparc64 to default list of softmmu targets Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
2009-06-23sparc64 follow pci_nic_init changeIgor V. Kovalenko
sun4u.c: correct pci_nic_init arguments following commit 5607c38820366954c38dd702e979499486057481 Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
2009-06-23microblaze: Support the latest mmu-kernel stat64 ABI.Edgar E. Iglesias
Microblaze recently changed their ABI. The new is not backwards compatible and there doesn't seem to be a way to distinguish old/new binaries. Let's support the latest ABI for now and hope someone figures out a way to hande both ABI's later. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-06-23target-ppc: permit linux-user to read PVRNathan Froyd
Access to the PVR SPR is normally forbidden from userspace apps. The Linux kernel, however, fixes up reads in the appropriate trap handler. To permit applications that read PVR to run on QEMU, then, we need to implement the same handling of PVR reads. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: malc <av1474@comtv.ru>
2009-06-23cris: Remove unused internal flag.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-06-22Win32: Reduce section alignment for Windows.Stefan Weil
Maximum alignment for Win32 is 16, so don't try to set it to 32. Otherwise the compiler complains: exec.c:102: warning: alignment of 'code_gen_prologue' is greater than maximum object file alignment. Using 16 Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Win: Install keymaps for Windows, too (needed for VNC).Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Win32: Fix compilation with SDL.Stefan Weil
`sdl-config --cflags` defines main = SDL_main on some platforms. One of these platforms is Windows with mingw32. For those platforms, the solution already developed for __APPLE__ is now applied. A compiler warning (missing return value) is fixed, too. Maybe __APPLE__ no longer needs a separate check. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22virtio-net: implement async packet sendingMark McLoughlin
Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: add packet length to NetPacketSent callbackMark McLoughlin
virtio-net needs this - for the same purpose that it currently uses the return value from qemu_sendv_packet(). Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: add '-net tap,sndbuf=nbytes'Mark McLoughlin
2.6.30 adds a new TUNSETSNDBUF ioctl() which allows a send buffer limit for the tap device to be specified. When this limit is reached, a tap write() will return EAGAIN and poll() will indicate the fd isn't writable. This allows people to tune their setups so as to avoid e.g. UDP packet loss when the sending application in the guest out-runs the NIC in the host. There is no obviously sensible default setting - a suitable value depends mostly on the capabilities of the physical NIC through which the packets are being sent. Also, note that when using a bridge with netfilter enabled, we currently never get EAGAIN because netfilter causes the packet to be immediately orphaned. Set /proc/sys/net/bridge/bridge nf-call-iptables to zero to disable this behaviour. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: return TAPState from net_tap_init()Mark McLoughlin
net_tap_fd_init() already returns TAPState, so this is a sensible cleanup in its own right. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: handle EAGAIN from tapfd write()Mark McLoughlin
If a write() on tapfd returns EAGAIN, return zero so that the packet gets queued (in the case of async send) and enable polling tapfd for writing. When tapfd becomes writable, disable write polling and flush any queued packets. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: add tap_read_poll() helperMark McLoughlin
Add a helper to enable/disable the read polling on tapfd. We need this, because we want to start write polling on the tapfd too and enable/disable both types of polling independently. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: purge queued packets in tap_cleanup()Mark McLoughlin
If tap has any packets queued at host_net_remove time, it needs to purge them in order to prevent a sent callback being invoked for it. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22net: add qemu_purge_queued_packets()Mark McLoughlin
If net client sends packets asynchronously, it needs to purge its queued packets in cleanup() so as to prevent sent callbacks being invoked with a freed client. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Fix build on Mac OS XAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Don't register cpu reset handler for cpu with APIC.Gleb Natapov
APIC reset handler already resets cpu, no need to reset it twice. Also register cpu_reset handler directly to make it impossible to add additional code to main_cpu_reset() by mistake. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Support addr=... in option argument of -drive if=virtioMarkus Armbruster
Make drive_init() accept addr=, put the value into struct DriveInfo. Use it in all the places that create virtio-blk-pci devices: pc_init1(), bamboo_init(), mpc8544ds_init(). Don't support addr= in third argument of monitor command pci_add and second argument of drive_add, because that clashes with their first arguments. Admittedly unelegant. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Make first argument of monitor command pci_add workMarkus Armbruster
Simply pass the PCI address through qemu_pci_hot_add_nic() to pci_nic_init() and through qemu_pci_hot_add_storage() to pci_create(). Before, pci_device_hot_add() passed along the PCI bus to use, and ignored any user-specified slot. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Support addr=... in option argument of -net nicMarkus Armbruster
Make net_client_init() accept addr=, put the value into struct NICinfo. Use it in pci_nic_init(), and remove arguments bus and devfn. Don't support addr= in third argument of monitor command pci_add, because that clashes with its first argument. Admittedly unelegant. Machines "malta" and "r2d" have a default NIC with a well-known PCI address. Deal with that the same way as the NIC model: make pci_nic_init() take an optional default to be used when the user doesn't specify one. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Fix do_pci_register_device() to reject devfn already in useMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22vmware_vga: clean upIsaku Yamahata
use NULL instead of 0 for pci_register_device() argument for consistency. Any other caller uses NULL. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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