Hi Tomasz, Eric, On 14/01/15 08:51, Eric Auger wrote: > Hi Tomasz > > I confirm I have the same issue and this git was working fine before for me. Thanks for noticing me and sorry for that: You are right, the access to the git repositories on linux-arm.org via git does not work anymore for some reason. While this is being fixed, I made a branch on github: https://github.com/apritzel/linux.git Pull the kvm-gicv3/v6 branch from there. Cheers, Andre. > On 01/14/2015 09:50 AM, Tomasz Nowicki wrote: >> Hi Andre, >> >> I heve just tried and got: >> >> $ git clone git://linux-arm.org/linux-ap.git >> Cloning into 'linux-ap'... >> fatal: Could not read from remote repository. >> >> Please make sure you have the correct access rights >> and the repository exists. >> >> Regards, >> Tomasz >> >> >> On 14.01.2015 01:04, Andre Przywara wrote: >>> On 01/13/2015 04:25 PM, Tomasz Nowicki wrote: >>> >>> Hi Tomasz, >>> >>>> Is there a git repo reference that I can fetch all those patches? >>>> http://www.linux-arm.org/git?p=linux-ap.git does not work for >>>> 'git-fetch'. >>>> Thanks in advance! >>> >>> Try: >>> git://linux-arm.org/linux-ap.git >>> >>> (as referenced a bit hidden below ;-) >>> >>> Cheers, >>> Andre. >>> >>>> >>>> Regards, >>>> Tomasz >>>> >>>> On 09.01.2015 12:54, Andre Przywara wrote: >>>>> This is version 6 of the GICv3 guest emulation series. >>>>> This series is now based on v3.19-rc3 plus Eric's explicit >>>>> VGIC_CTRL_INIT patches. >>>>> >>>>> The rebase on top of 3.19-rc and Eric's patches required some reworks >>>>> in 05/19 (introduce vm_ops), which rippled through to patches 08, 12, >>>>> 13 and 15. >>>>> >>>>> The Aarch32 version of the ICC_SGI_EL1 sysreg is now correctly >>>>> trapped, enabling 32-bit guests to use the GICv3 emulation (which >>>>> needs not-yet-upstream patches to enable GICv3 support on ARM). >>>>> >>>>> If a host's device tree has faulty properties for the GICV property >>>>> (unaligned base addresses or wrong region size), we just deny the >>>>> GICv2 emulation and still allow guests to use the GICv3 emulation. >>>>> >>>>> There is now a new patch 18/20, which introduces a >>>>> kvm_check_device_type() function to detect valid GIC emulation models >>>>> for guests. This is much saner and safer than the private GIC specific >>>>> way of achieving this functionality. >>>>> >>>>> Also I added the Acks from Marc (thanks for the review!), but dropped >>>>> the 05/19 Acked-by: due to the above mentioned changes. >>>>> >>>>> For a changelog summary see below, also each patch carries a >>>>> changelog. Patches 01-04, 06, 07, 09-11, 14, 16, 20 are unchanged. >>>>> >>>>> A git repo hosting all these patches lives in the kvm-gicv3/v6 branch >>>>> of: >>>>> http://www.linux-arm.org/git?p=linux-ap.git >>>>> git://linux-arm.org/linux-ap.git >>>>> ----- >>>>> >>>>> GICv3 is the ARM generic interrupt controller designed to overcome >>>>> some limits of the prevalent GICv2. Most notably it lifts the 8-CPU >>>>> limit. Though with Linux-3.17 Marc introduced support for hosts to >>>>> use a GICv3, the CPU limitation still applies to KVM guests, since >>>>> the current code emulates a GICv2 only. >>>>> Also, GICv2 backward compatibility being optional in GICv3, a number >>>>> of systems won't be able to run GICv2 guests. >>>>> >>>>> This patch series provides code to emulate a GICv3 distributor and >>>>> redistributor for any KVM guest. It requires a GICv3 in the host to >>>>> work. With those patches one can run guests efficiently on any GICv3 >>>>> host. It has the following features: >>>>> - Affinity routing (support for up to 255 VCPUs, more possible) >>>>> - System registers (as opposed to MMIO access) >>>>> - No ITS >>>>> - No priority support (as the GICv2 emulation) >>>>> - No save / restore support so far (will be added soon) >>>>> - Only Group1 interrupts support >>>>> >>>>> The first patches actually refactor the current VGIC code to make >>>>> room for a different VGIC model to be dropped in with Patch 15. >>>>> The remaining patches connect the new model to the kernel backend and >>>>> the userland facing code. >>>>> >>>>> The series goes on top of v3.19-rc3 plus Eric's init rework patches. >>>>> The necessary patches for kvmtool to enable the guest's GICv3 have >>>>> been posted here before [2], an updated version will follow soon. >>>>> >>>>> There was some testing on the fast model with some I/O and interrupt >>>>> affinity shuffling in a Linux guest with a varying number of VCPUs as >>>>> well as some testing on a Juno board (GICv2 only, to spot regressions). >>>>> >>>>> Please review and test. >>>>> I would be grateful for people to test for GICv2 regressions also >>>>> (so on a GICv2 host with current kvmtool/qemu), as there is quite >>>>> some refactoring on that front. >>>>> >>>>> Much of the code was inspired by MarcZ, also kudos to him for doing >>>>> the rather painful rebase on top of v3.17-rc1. >>>>> >>>>> Cheers, >>>>> Andre. >>>>> >>>>> [1] http://www.linux-arm.org/git?p=linux-ap.git >>>>> [2] >>>>> https://lists.cs.columbia.edu/pipermail/kvmarm/2014-June/010086.html >>>>> >>>>> Changes v5 ... v6: >>>>> * adapt to v3.19-rc changes >>>>> * allow GICv3 emulation in case of wrong GIC device tree properties >>>>> * allow 32-bit guests to use GICv3 >>>>> * introduce new kvm_check_device_type() function >>>>> >>>>> Changes v4 ... v5: >>>>> * fix size of GICD_IROUTER region >>>>> * fix compilation on ARM with VGIC not configured >>>>> * properly fix the remaining FIXME at the GICv3 memory allocation >>>>> * minor style changes, comments and commit messages fixes >>>>> >>>>> Changes v3 ... v4: >>>>> * bug-fix in handling GICv3 redistributor CFG register >>>>> * move set/get_lr from gic_vm_ops back to vgic_ops (get rid of v3 >>>>> 06/19) >>>>> * getting rid of init_emul() at all >>>>> * rework guest GIC model initialization >>>>> * use non-atomic bit-set and bit-clear functions >>>>> * split up handle_mmio_misc* into multiple functions >>>>> * refine handling of some reserved registers >>>>> * use symbolic names for ICC_SGI1R_EL1 register fields (new patch >>>>> 16/19) >>>>> * move private parameter from MMIO accessors to struct kvm_mmio_exit >>>>> * added documentation of new GICv3 guest device >>>>> * added lots of comments >>>>> * some renaming of identifiers >>>>> * minor changes in style and code flow of various functions >>>>> >>>>> Changes v2 ... v3: >>>>> * rebase to v3.18-rc2 >>>>> * adapt to new kvm_register_device() function >>>>> * split up vm_ops patch and the GICv2 split-off patch to ease review >>>>> * various smaller changes due to Christoffer's review >>>>> * fix compilation for arm >>>>> * remove support for trapping SGI sysreg accesses on arm hosts >>>>> >>>>> Changes v1 ... v2: >>>>> * rebase to v3.17-rc1, caused quite some changes to the init code >>>>> * new 9/15 patch to make 10/15 smaller >>>>> * fix wrongly ordered cp15 register trap entry (MarcZ) >>>>> * fix SGI broadcast (thanks to wanghaibin for spotting) >>>>> * fix broken bailout path in kvm_vgic_create (wanghaibin) >>>>> * check return value of init_emulation_ops() (wanghaibin) >>>>> * fix return value check in vgic_[sg]et_attr() >>>>> * add header inclusion guards >>>>> * remove double definition of VCPU_NOT_ALLOCATED >>>>> * some code move-around >>>>> * whitespace fixes >>>>> >>>>> Andre Przywara (20): >>>>> arm/arm64: KVM: rework MPIDR assignment and add accessors >>>>> arm/arm64: KVM: pass down user space provided GIC type into vGIC >>>>> code >>>>> arm/arm64: KVM: refactor vgic_handle_mmio() function >>>>> arm/arm64: KVM: wrap 64 bit MMIO accesses with two 32 bit ones >>>>> arm/arm64: KVM: introduce per-VM ops >>>>> arm/arm64: KVM: move kvm_register_device_ops() into vGIC probing >>>>> arm/arm64: KVM: dont rely on a valid GICH base address >>>>> arm/arm64: KVM: make the maximum number of vCPUs a per-VM value >>>>> arm/arm64: KVM: make the value of ICC_SRE_EL1 a per-VM variable >>>>> arm/arm64: KVM: refactor MMIO accessors >>>>> arm/arm64: KVM: refactor/wrap vgic_set/get_attr() >>>>> arm/arm64: KVM: add vgic.h header file >>>>> arm/arm64: KVM: split GICv2 specific emulation code from vgic.c >>>>> arm/arm64: KVM: add opaque private pointer to MMIO data >>>>> arm/arm64: KVM: add virtual GICv3 distributor emulation >>>>> arm64: GICv3: introduce symbolic names for GICv3 ICC_SGI1R_EL1 >>>>> fields >>>>> arm64: KVM: add SGI generation register emulation >>>>> KVM: introduce kvm_check_device_type() >>>>> arm/arm64: KVM: enable kernel side of GICv3 emulation >>>>> arm/arm64: KVM: allow userland to request a virtual GICv3 >>>>> >>>>> Documentation/virtual/kvm/devices/arm-vgic.txt | 22 +- >>>>> arch/arm/include/asm/kvm_emulate.h | 5 +- >>>>> arch/arm/include/asm/kvm_host.h | 3 + >>>>> arch/arm/include/asm/kvm_mmio.h | 1 + >>>>> arch/arm/kvm/Makefile | 1 + >>>>> arch/arm/kvm/arm.c | 23 +- >>>>> arch/arm/kvm/psci.c | 17 +- >>>>> arch/arm64/include/asm/kvm_emulate.h | 5 +- >>>>> arch/arm64/include/asm/kvm_host.h | 5 + >>>>> arch/arm64/include/asm/kvm_mmio.h | 1 + >>>>> arch/arm64/include/uapi/asm/kvm.h | 7 + >>>>> arch/arm64/kernel/asm-offsets.c | 1 + >>>>> arch/arm64/kvm/Makefile | 2 + >>>>> arch/arm64/kvm/sys_regs.c | 40 +- >>>>> arch/arm64/kvm/vgic-v3-switch.S | 14 +- >>>>> drivers/irqchip/irq-gic-v3.c | 14 +- >>>>> include/kvm/arm_vgic.h | 41 +- >>>>> include/linux/irqchip/arm-gic-v3.h | 44 + >>>>> include/linux/kvm_host.h | 3 + >>>>> include/uapi/linux/kvm.h | 2 + >>>>> virt/kvm/arm/vgic-v2-emul.c | 849 >>>>> ++++++++++++++++++ >>>>> virt/kvm/arm/vgic-v2.c | 3 + >>>>> virt/kvm/arm/vgic-v3-emul.c | 1038 >>>>> ++++++++++++++++++++++ >>>>> virt/kvm/arm/vgic-v3.c | 80 +- >>>>> virt/kvm/arm/vgic.c | 1095 >>>>> ++++++------------------ >>>>> virt/kvm/arm/vgic.h | 123 +++ >>>>> virt/kvm/kvm_main.c | 33 +- >>>>> 27 files changed, 2555 insertions(+), 917 deletions(-) >>>>> create mode 100644 virt/kvm/arm/vgic-v2-emul.c >>>>> create mode 100644 virt/kvm/arm/vgic-v3-emul.c >>>>> create mode 100644 virt/kvm/arm/vgic.h >>>>> >>>> >>> > > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
