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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>
2009-06-22dot gitignore: add qemu-monitor.texiIsaku Yamahata
add qemu-monitor.texi to .gitignore. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22virtio-net: enable mergeable receive buffersMark McLoughlin
When virtio-net was merged in from qemu-kvm.git, the VNET_HDR related features were dropped from the code. However, VIRTIO_NET_F_MRG_RXBUF appears to have accidentally been dropped too. Re-instate that now. Reported-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22acpi.c: make qemu_system_device_hot_add piix independent.Isaku Yamahata
introruce piix4_device_hot_add() for piix4 specific code and make qemu_system_device_hot_add() generic. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Instead of writing a zero page, madvise it awayAnthony Liguori
Otherwise, after migration, we end up with a much larger RSS size then we ought to have. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Handle init/sipi in a main cpu exec loop. (v2)Gleb Natapov
This should fix compilation problem in case of CONFIG_USER_ONLY. Currently INIT/SIPI is handled in the context of CPU that sends IPI. This patch changes this to handle them like all other events in a main cpu exec loop. When KVM will gain thread per vcpu capability it will be much more clear to handle those event by cpu thread itself and not modify one cpu's state from the context of the other. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Add pci_bus_reset() function.Gleb Natapov
To reset internal irq handling data structures. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Yaniv Kamay <ykamay@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22virtio: add support for indirect ring entriesMark McLoughlin
Support a new feature flag for indirect ring entries. These are ring entries which point to a table of buffer descriptors. The idea here is to increase the ring capacity by allowing a larger effective ring size whereby the ring size dictates the number of requests that may be outstanding, rather than the size of those requests. This should be most effective in the case of block I/O where we can potentially benefit by concurrently dispatching a large number of large requests. Even in the simple case of single segment block requests, this results in a threefold increase in ring capacity. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22virtio: make vring_desc_*() take phys addrsMark McLoughlin
Change the vring descriptor helpers to take the physical address of the descriptor table rather than a virtqueue. This is needed in order to allow these helpers to be used with an indirect descriptor table. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Add O_BINARY to open call in net_dump_init.Filip Navara
Fix the pcap dumps on Win32 and other systems where O_BINARY is required. Signed-off-by: Filip Navara <filip.navara@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Make nic option rom loading less painful.Glauber Costa
The code how it is today, is totally painful to read and keep. To begin with, the code is duplicated with the option rom loading code that linux_boot and vga are already using. This patch introduces a "bootable" state in NICInfo structure, that we can use to keep track of whether or not a given nic should be bootable, avoiding the introduction of yet another global state. With that in hands, we move the code in vl.c to hw/pc.c, and use the already existing infra structure to load those option roms. Error checking code suggested by Mark McLoughlin Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-22Disable _FORTIFY_SOURCE to fix Ubuntu build with -WerrorAnthony Liguori
This eliminates the results unused warnings. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-20Apply TCGV_UNUSED on variables that GCC mistakenly thinks can be usedmalc
uninitialized
2009-06-20Restore consistent formatting of audio devicesmalc
2009-06-19linux-user: strace now handles guest stringscorrectly [v2]Riku Voipio
On Tue, Jun 16, 2009 at 08:19:23PM -0500, Anthony Liguori wrote: > malc wrote: >> >> On my system the above line causes gcc to emit: >> >> In file included from /home/malc/x/rcs/git/qemu/linux-user/strace.c:12: >> /usr/include/linux/futex.h:48: error: field `__user' has incomplete type >> /usr/include/linux/futex.h:48: error: syntax error before '*' token >> /usr/include/linux/futex.h:63: error: field `list' has incomplete type >> /usr/include/linux/futex.h:83: error: field `__user' has incomplete type >> /usr/include/linux/futex.h:83: error: syntax error before '*' token >> make[1]: *** [strace.o] Error 1 > We had the same problem with usb-linux.c. It's broken system headers, > the __user stuff is supposed to get removed as part of the headers > installation. > It builds fine on my system (Fedora 10). Howabout something like this: commit eb8387cb0eda32a18880664eb5f0ca5c8bf05b45 Author: Riku Voipio <riku.voipio@iki.fi> Date: Thu Jun 18 22:44:31 2009 +0300 Subject: linux-user: include futex defines directly Since some common distributions have broken linux/futex.h, stop including it. Instead add the defines directly. Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2009-06-19fix qemu_alloc/qemu_free for audio subsystemJean-Christophe Dubois
Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
2009-06-18alsa: fix warningGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2009-06-18xilinx-eth: Remove debug print.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-06-17Don't set IRQs on device reset and loadvm/savevmBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Call piix4_reset() on system reset.Blue Swirl
Also zero pci_irq_levels on reset to avoid stuck irq after reset. Based on 15a1956af94e36105494f782a752698103addf63 by Gleb Natapov. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Don't set IRQs on device reset and loadvm/savevmBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Call piix3_reset() on system reset.Gleb Natapov
Also zero pci_irq_levels on reset to avoid stuck irq after reset. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Yaniv Kamay <ykamay@redhat.com>
2009-06-17Register usb-uhci reset function.Gleb Natapov
The device is not reset on system reset currently. Without this patch RHEL4.8 hangs after reboot if -usbdevice table is in use. Signed-off-by: Gleb Natapov <gleb@redhat.com>
2009-06-17Revert "Update irqs on reset and device load"Blue Swirl
This reverts commit 3dcd219f09d6c1817bf9a132899e6b925f7a0914. It is incorrect to call qemu_irq functions (or any other functions that access other device state) during savevm/loadvm. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Allow user to specify CPU modelBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Fix opening of read only raw imagesBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Replace ELF section hack with normal tableBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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