[Xen-devel] [xen-devel] want to test xen on omap5

Hi I want run and understand xen hypervisor with dom0 and domU on omap5 board. I followed https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/ OMAP5432_uEVM with latest kernel(4.11.7) and xen(4.9.0) and device tree and but unable to boot dom0. xen stop on "Turning on

[Xen-devel] [linux-3.18 baseline-only test] 71696: regressions - trouble: blocked/broken/fail/pass

This run is configured for baseline tests only. flight 71696 linux-3.18 real [real] http://osstest.xs.citrite.net/~osstest/testlogs/logs/71696/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-amd64-amd64-xl-qemut-debianhvm-amd64 15

[Xen-devel] [qemu-mainline test] 111926: regressions - FAIL

flight 111926 qemu-mainline real [real] http://logs.test-lab.xenproject.org/osstest/logs/111926/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-amd64-i386-qemuu-rhel6hvm-intel 7 xen-boot fail REGR. vs. 111765

Re: [Xen-devel] [PATCH 1/6] xen-blkfront: quiesce/unquiesce queue instead of start/stop queues

On Mon, Jul 17, 2017 at 05:02:27PM +0100, Roger Pau Monné wrote: > On Mon, Jul 17, 2017 at 11:06:28PM +0800, Ming Lei wrote: > > On Mon, Jul 17, 2017 at 12:20:56PM +0100, Roger Pau Monné wrote: > > > On Sat, Jul 15, 2017 at 07:15:56AM +0800, Ming Lei wrote: > > > > stopping queue may cause race

[Xen-devel] [linux-next test] 111924: regressions - FAIL

flight 111924 linux-next real [real] http://logs.test-lab.xenproject.org/osstest/logs/111924/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-amd64-amd64-pair10 xen-boot/src_hostfail REGR. vs. 111866

[Xen-devel] [ovmf test] 111948: all pass - PUSHED

flight 111948 ovmf real [real] http://logs.test-lab.xenproject.org/osstest/logs/111948/ Perfect :-) All tests in this flight passed as required version targeted for testing: ovmf a58bfb37f63a9c16e37c39a48b273ce69194f281 baseline version: ovmf

Re: [Xen-devel] [PATCH RFC] xen/evtchn: Implement EVTCHNOP_send_imm as a companian to EVTCHNOP_send

On 17/07/2017 19:30, Stefano Stabellini wrote: > On Fri, 14 Jul 2017, Jan Beulich wrote: > On 13.07.17 at 09:50, wrote: >>> --- a/xen/common/event_channel.c >>> +++ b/xen/common/event_channel.c >>> @@ -1098,6 +1098,10 @@ long do_event_channel_op(int cmd, >>>

[Xen-devel] [libvirt test] 111915: tolerable all pass - PUSHED

flight 111915 libvirt real [real] http://logs.test-lab.xenproject.org/osstest/logs/111915/ Failures :-/ but no regressions. Tests which did not succeed, but are not blocking: test-armhf-armhf-libvirt 14 saverestore-support-checkfail like 111869 test-armhf-armhf-libvirt-xsm 14

[Xen-devel] [PATCH v10 32/38] xen/x86: Remove SME feature in PV guests

Xen does not currently support SME for PV guests. Clear the SME CPU capability in order to avoid any ambiguity. Cc: Cc: Boris Ostrovsky Cc: Juergen Gross Reviewed-by: Borislav Petkov Reviewed-by: Juergen Gross

[Xen-devel] [PATCH v10 00/38] x86: Secure Memory Encryption (AMD)

This patch series provides support for AMD's new Secure Memory Encryption (SME) feature. SME can be used to mark individual pages of memory as encrypted through the page tables. A page of memory that is marked encrypted will be automatically decrypted when read from DRAM and will be automatically

[Xen-devel] [linux-linus bisection] complete test-amd64-amd64-amd64-pvgrub

branch xen-unstable xenbranch xen-unstable job test-amd64-amd64-amd64-pvgrub testid xen-boot Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git Tree: qemu

[Xen-devel] [ovmf test] 111941: all pass - PUSHED

flight 111941 ovmf real [real] http://logs.test-lab.xenproject.org/osstest/logs/111941/ Perfect :-) All tests in this flight passed as required version targeted for testing: ovmf d4f6c35c84b8503bc2acde89a7adb7ee05c56516 baseline version: ovmf

[Xen-devel] [xen-unstable test] 111912: tolerable FAIL - PUSHED

flight 111912 xen-unstable real [real] http://logs.test-lab.xenproject.org/osstest/logs/111912/ Failures :-/ but no regressions. Tests which are failing intermittently (not blocking): test-amd64-i386-libvirt-xsm 4 host-install(4) broken in 111836 pass in 111912 test-armhf-armhf-xl-arndale 5

[Xen-devel] [linux-3.18 test] 111920: tolerable FAIL - PUSHED

flight 111920 linux-3.18 real [real] http://logs.test-lab.xenproject.org/osstest/logs/111920/ Failures :-/ but no regressions. Tests which are failing intermittently (not blocking): test-amd64-amd64-qemuu-nested-intel 10 debian-hvm-install fail in 111893 pass in 111920

Re: [Xen-devel] [PATCH RFC] xen/evtchn: Implement EVTCHNOP_send_imm as a companian to EVTCHNOP_send

On Fri, 14 Jul 2017, Jan Beulich wrote: > >>> On 13.07.17 at 09:50, wrote: > > --- a/xen/common/event_channel.c > > +++ b/xen/common/event_channel.c > > @@ -1098,6 +1098,10 @@ long do_event_channel_op(int cmd, > > XEN_GUEST_HANDLE_PARAM(void) arg) > > break; >

[Xen-devel] [PATCH] scripts/get_maintainers.pl: Don't blindly drop "THE REST" maintainers

"THE REST" maintainers should always be CCed for any modification that don't fall under the responsability of a specific component maintainer. However, the script get_maintainers.pl will remove "THE REST" maintainers as soon as one maintainer of a specific component will be present. Fix the

Re: [Xen-devel] Regression PCI passthrough from 4.5.5 to 4.6.0-rc1

Hello Jan, Pasi, all Jan, I still have access to the hardware so perhaps we can finally solve this problem. Feel free to go ahead; I'll be on vacation for the next three weeks. Perhaps we can shortcut debugging a bit because I looked through the patches of XenServer 7.2 and found the

[Xen-devel] [PATCH 2/2] xen: dont fiddle with event channel masking in suspend/resume

Instead of fiddling with masking the event channels during suspend and resume handling let do the irq subsystem do its job. It will do the mask and unmask operations as needed. Signed-off-by: Juergen Gross --- drivers/xen/events/events_base.c | 13 +++-- 1 file changed,

[Xen-devel] [PATCH 1/2] irq: adjust state of irq in resume_irq() when IRQF_FORCE_RESUME set

An irq pretending it got disabled should have its state set accordingly. Otherwise a potential unmask later won't succeed. Signed-off-by: Juergen Gross --- kernel/irq/chip.c | 10 -- kernel/irq/internals.h | 10 ++ kernel/irq/pm.c| 2 ++ 3 files

[Xen-devel] [PATCH 0/2] irq, xen: fix event channel masking on suspend/resume

Commit bf22ff45bed664aefb5c4e43029057a199b7070c ("genirq: Avoid unnecessary low level irq function calls") broke Xen suspend/resume handling as Xen fiddled with masking/unmasking of event channels (or irqs) without letting the irq subsystem know about it. Fix this by setting the correct states in

Re: [Xen-devel] A document for Xen release management

On Mon, Jul 17, 2017 at 06:58:27PM +0200, Juergen Gross wrote: > On 17/07/17 17:09, Wei Liu wrote: > > It is agreed during the summit we should write down such document. Here > > is my attempt of doing so. > > > > We should probably commit something like this into xen.git so that it > > gets

Re: [Xen-devel] [OSSTEST PATCH v12 18/21] TestSupport: Implement target_cmd_subunit a subunit stream parser into substeps

Anthony PERARD writes ("Re: [OSSTEST PATCH v12 18/21] TestSupport: Implement target_cmd_subunit a subunit stream parser into substeps"): > On Thu, Jul 13, 2017 at 03:43:55PM +0100, Anthony PERARD wrote: > > Will do. And yes, this will duplicate most of the output. But it can > > help debug

Re: [Xen-devel] [OSSTEST PATCH v12 18/21] TestSupport: Implement target_cmd_subunit a subunit stream parser into substeps

Anthony PERARD writes ("Re: [OSSTEST PATCH v12 18/21] TestSupport: Implement target_cmd_subunit a subunit stream parser into substeps"): > On Thu, Jul 13, 2017 at 02:28:11PM +0100, Ian Jackson wrote: > > I think this is not a critical problem, but fixing it would be nice at > > some point. > >

Re: [Xen-devel] [PATCH 06/25 v6] xen/arm: vpl011: Add a new domctl API to initialize vpl011

Hi Bhupinder, On 17/07/17 14:06, Bhupinder Thakur wrote: Add a new domctl API to initialize vpl011. It takes the GFN and console backend domid as input and returns an event channel to be used for sending and receiving events from Xen. Xen will communicate with xenconsole using GFN as the ring

Re: [Xen-devel] A document for Xen release management

On 17/07/17 17:09, Wei Liu wrote: > It is agreed during the summit we should write down such document. Here > is my attempt of doing so. > > We should probably commit something like this into xen.git so that it > gets updated regularly. > > Comments are welcome. > > - > > % Xen Release

[Xen-devel] [PATCH v5] x86/monitor: Notify monitor if an emulation fails.

If case of a vm_event with the emulate_flags set, if the instruction cannot be emulated, the monitor should be notified instead of directly injecting a hw exception. This behavior can be used to re-execute an instruction not supported by the emulator using the real processor (e.g. altp2m) instead

[Xen-devel] [qemu-mainline bisection] complete test-amd64-i386-xl-qemuu-win7-amd64

branch xen-unstable xenbranch xen-unstable job test-amd64-i386-xl-qemuu-win7-amd64 testid windows-install Tree: linux git://xenbits.xen.org/linux-pvops.git Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git Tree: qemuu

Re: [Xen-devel] [PATCH 05/25 v6] xen/arm: vpl011: Rearrange xen header includes in alphabetical order in domctl.c

Hi Bhupinder, On 17/07/17 14:06, Bhupinder Thakur wrote: Rearrange xen header includes in alphabetical order in domctl.c. Signed-off-by: Bhupinder Thakur Reviewed-by: Stefano Stabellini For the future, please mention if you keep a

Re: [Xen-devel] [PATCH 02/25 v6] xen/arm: vpl011: Add SBSA UART emulation in Xen

Hi Bhupinder, On 17/07/17 14:06, Bhupinder Thakur wrote: Add emulation code to emulate read/write access to pl011 registers and pl011 interrupts: - Emulate DR read/write by reading and writing from/to the IN and OUT ring buffers and raising an event to the backend when there is

[Xen-devel] [PATCH v4] x86/monitor: Notify monitor if an emulation fails.

If case of a vm_event with the emulate_flags set, if the instruction cannot be emulated, the monitor should be notified instead of directly injecting a hw exception. This behavior can be used to re-execute an instruction not supported by the emulator using the real processor (e.g. altp2m) instead

Re: [Xen-devel] [PATCH v6 13/14] arm/mem_access: Add short-descriptor based gpt

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: This commit adds functionality to walk the guest's page tables using the short-descriptor translation table format for both ARMv7 and ARMv8. The implementation is based on ARM DDI 0487B-a J1-6002 and ARM DDI 0406C-b B3-1506. Signed-off-by:

[Xen-devel] [linux-linus test] 111900: regressions - trouble: broken/fail/pass

flight 111900 linux-linus real [real] http://logs.test-lab.xenproject.org/osstest/logs/111900/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm 7 xen-boot fail REGR. vs. 110515

Re: [Xen-devel] ARM: Adjusting guest memory size through xl mem-{set|max} fails

Hi Julien, On 07/17/2017 03:53 PM, Julien Grall wrote: > (+Wei and Ian) > > Hi Sergej > > On 17/07/17 13:04, Sergej Proskurin wrote: >> Hi all, >> >> My setup comprises an ARMv7 (Arndale, Linux kernel v4.11.6) and an ARMv8 >> (LeMaker HiKey, Linux kernel v4.9.0) development board. On both

Re: [Xen-devel] [PATCH v6 12/14] arm/mem_access: Add long-descriptor based gpt

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: +/* + * Get the MSB number of the GVA, according to "AddrTop" pseudocode + * implementation in ARM DDI 0487B.a J1-6066. + */ +static unsigned int get_top_bit(struct domain *d, vaddr_t gva, register_t tcr) +{ +unsigned int topbit; + +

Re: [Xen-devel] [PATCH 1/6] xen-blkfront: quiesce/unquiesce queue instead of start/stop queues

On Mon, Jul 17, 2017 at 11:06:28PM +0800, Ming Lei wrote: > On Mon, Jul 17, 2017 at 12:20:56PM +0100, Roger Pau Monné wrote: > > On Sat, Jul 15, 2017 at 07:15:56AM +0800, Ming Lei wrote: > > > stopping queue may cause race and may not stop the queue really > > > after the API returns, and we have

Re: [Xen-devel] [PATCH v6 11/14] arm/mem_access: Add software guest-page-table walk

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: The function p2m_mem_access_check_and_get_page in mem_access.c translates a gva to an ipa by means of the hardware functionality of the ARM architecture. This is implemented in the function gva_to_ipa. If mem_access is active, hardware-based

Re: [Xen-devel] [PATCH v6 10/14] arm/guest_access: Rename vgic_access_guest_memory

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: This commit renames the function vgic_access_guest_memory to access_guest_memory_by_ipa. As the function name suggests, the functions expects an ipa as argument. Thus, to make the function's purpose more s/ipa/IPA/ clearly, we have also

Re: [Xen-devel] [PATCH v6 09/14] arm/guest_access: Move vgic_access_guest_memory to guest_access.h

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: This commit moves the function vgic_access_guest_memory to guestcopy.c and the header asm/guest_access.h. No functional changes are made. Please note that the function will be renamed in the following commit. Signed-off-by: Sergej Proskurin

Re: [Xen-devel] [PATCH XTF] Implement pv_read

On Mon, Jul 17, 2017 at 12:28:20PM +0200, Felix Schmoll wrote: > Implement reading from PV console. Making use of polling. > > Signed-off-by: Felix Schmoll > > --- > This is based on the console-branch of andyhhp, so that one has to > be merged before applying this

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

On 07/17/2017 04:08 PM, Ian Jackson wrote: > Andrew Cooper writes ("Re: [Xen-devel] [XenSummit 2017] Notes from the PVH > toolstack interface session"): >> On 17/07/17 10:36, Roger Pau Monné wrote: >>> kernel = "" >>> ramdisk = "" >>> cmdline = "" >>> >>> : relative or full path in

Re: [Xen-devel] [PATCH v9 7/7] tools/xen-mceinj: add support of injecting LMCE

On Mon, Jul 17, 2017 at 11:05:24AM +0100, Wei Liu wrote: > On Thu, Jul 13, 2017 at 10:10:05AM +0800, Haozhong Zhang wrote: > > On 07/12/17 09:26 -0400, Konrad Rzeszutek Wilk wrote: > > > On Wed, Jul 12, 2017 at 10:04:40AM +0800, Haozhong Zhang wrote: > > > > If option '-l' or '--lmce' is specified

Re: [Xen-devel] [PATCH v2] xenconsole: Add pipe option

Felix Schmoll writes ("[PATCH v2] xenconsole: Add pipe option"): > Add pipe option to xenconsole that forwards console input. Thanks. IMO the commit message could do with better explanation. It should mention that xenconsole has a strange behaviour where it doesn't forward stdin unless stdin

Re: [Xen-devel] [PATCH] docs: Fix the markdown for the com{1, 2} keyword command line documentation

On Mon, Jul 17, 2017 at 02:58:22PM +0100, Andrew Cooper wrote: > No change in content. > > Signed-off-by: Andrew Cooper Acked-by: Wei Liu ___ Xen-devel mailing list Xen-devel@lists.xen.org

[Xen-devel] A document for Xen release management

It is agreed during the summit we should write down such document. Here is my attempt of doing so. We should probably commit something like this into xen.git so that it gets updated regularly. Comments are welcome. - % Xen Release Management % Wei Liu <> % Revision 1

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

Andrew Cooper writes ("Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session"): > On 17/07/17 10:36, Roger Pau Monné wrote: > > kernel = "" > > ramdisk = "" > > cmdline = "" > > > > : relative or full path in the filesystem. > > Please can xl or libxl's (not

Re: [Xen-devel] [PATCH 1/6] xen-blkfront: quiesce/unquiesce queue instead of start/stop queues

On Mon, Jul 17, 2017 at 12:20:56PM +0100, Roger Pau Monné wrote: > On Sat, Jul 15, 2017 at 07:15:56AM +0800, Ming Lei wrote: > > stopping queue may cause race and may not stop the queue really > > after the API returns, and we have improved quiescing > > interface and it really can block

Re: [Xen-devel] [PATCH v6 03/14] arm/mem_access: Add defines supporting PTs with varying page sizes

Hi Sergej, On 06/07/17 12:50, Sergej Proskurin wrote: The ARMv8 architecture supports pages with different (4K, 16K, and 64K) sizes. NIT: ARMv8 supports both AArch32 and AArch64. However, only AArch64 supports different page granularities. To avoid confusion, please s/ARMv8

[Xen-devel] [PATCH XTF] Implement pv_read

Implement reading from PV console. Making use of polling. Signed-off-by: Felix Schmoll --- This is based on the console-branch of andyhhp, so that one has to be merged before applying this patch. --- common/console.c | 27 ++-

Re: [Xen-devel] [PATCH] arm/p2m: Cleanup access to the host's p2m

Hello, Please CC the respective maintainers when sending a patch on xen-devel. On 04/07/17 13:53, Sergej Proskurin wrote: This commit substitutes the direct access of the host's p2m (>arch.p2m) for the macro "p2m_get_hostp2m". This macro simplifies readability and also the differentiation

[Xen-devel] [PATCH] docs: Fix the markdown for the com{1, 2} keyword command line documentation

No change in content. Signed-off-by: Andrew Cooper --- CC: George Dunlap CC: Ian Jackson CC: Jan Beulich CC: Konrad Rzeszutek Wilk CC: Stefano Stabellini

Re: [Xen-devel] [PATCH RFC] tools: Drop xc_cpuid_check() and bindings

> On 17. Jul 2017, at 13:38, Andrew Cooper wrote: > > It turns out that Xapi has a library function using it, but that > function is dead so can be removed. I am fine with the removal of the OCaml bindings and the patch for the OCaml code. If the code is

Re: [Xen-devel] ARM: Adjusting guest memory size through xl mem-{set|max} fails

(+Wei and Ian) Hi Sergej On 17/07/17 13:04, Sergej Proskurin wrote: Hi all, My setup comprises an ARMv7 (Arndale, Linux kernel v4.11.6) and an ARMv8 (LeMaker HiKey, Linux kernel v4.9.0) development board. On both boards, I have Xen version 4.10-unstable running with the associated tools to

[Xen-devel] Xen 4.10 Development Update

This email only tracks big items for xen.git tree. Please reply for items you woulk like to see in 4.10 so that people have an idea what is going on and prioritise accordingly. You're welcome to provide description and use cases of the feature you're working on. = Timeline = We now adopt a

Re: [Xen-devel] preparations for 4.8.2

> I tried to follow the instructions in README for match-xsa. I believe > the xsa-list-send script in step 3 depends on xsa.git, which I don't > have access to. That is unfortunately correct: we ought to fix this. Lars On 17/07/2017, 12:40, "Wei Liu" wrote: >On Mon, Jul

[Xen-devel] [PATCH 25/25 v6] xen/arm: vpl011: Update documentation for vuart console support

1. Update documentation for a new vuart option added. 2. Update documentation about SPI irq reserved for vuart. Signed-off-by: Bhupinder Thakur Reviewed-by: Stefano Stabellini Acked-by: Wei Liu --- CC: Ian Jackson

[Xen-devel] [PATCH 24/25 v6] xen/arm: vpl011: Add a pl011 uart DT node in the guest device tree

The SBSA UART node format is as specified in Documentation/devicetree/bindings/serial/arm_sbsa_uart.txt and given below: ARM SBSA defined generic UART -- This UART uses a subset of the PL011 registers and consequently lives in the PL011 driver. It's baudrate and other

[Xen-devel] [PATCH 22/25 v6] xen/arm: vpl011: Add support for vuart console in xenconsole

This patch finally adds the support for vuart console. It adds two new fields in the console initialization: - optional - prefer_gnttab optional flag tells whether the console is optional. prefer_gnttab tells whether the ring buffer should be allocated using grant table. Signed-off-by:

[Xen-devel] [PATCH 23/25 v6] xen/arm: vpl011: Add a new vuart console type to xenconsole client

Add a new console type VUART to connect to guest's emualated vuart console. Signed-off-by: Bhupinder Thakur Reviewed-by: Stefano Stabellini Acked-by: Wei Liu --- CC: Ian Jackson CC: Wei Liu

[Xen-devel] [PATCH 21/25 v6] xen/arm: vpl011: Add support for multiple consoles in xenconsole

This patch adds the support for multiple consoles and introduces the iterator functions to operate on multiple consoles. This patch is in preparation to support a new vuart console. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC:

[Xen-devel] [PATCH 19/25 v6] xen/arm: vpl011: Add a new console_open_log function in xenconsole

This patch introduces a console_open_log console_cleanup function. This function opens the console log file. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 18/25 v6] xen/arm: vpl011: Add a new console_cleanup function in xenconsole

This patch introduces a new console_cleanup function. This function frees up the console resources. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini CC:

[Xen-devel] [PATCH 20/25 v6] xen/arm: vpl011: Add a new console_close_evtchn function in xenconsole

This patch introduces a console_close_evtchn console_cleanup function. This function closes the console event channel. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 13/25 v6] xen/arm: vpl011: Add a new add_console_evtchn_fd function in xenconsole

This patch introduces a new add_console_evtchn_fd function. This function adds the console event channel FD to list of polled FDs. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 14/25 v6] xen/arm: vpl011: Add a new add_console_tty_fd function in xenconsole

This patch introduces a new add_console_tty_fd function. This function adds the tty fd to the list of polled fds. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 10/25 v6] xen/arm: vpl011: Modify xenconsole functions to take console structure as input

Xenconsole functions take domain structure as input. These functions shall be modified to take console structure as input since these functions typically perform console specific operations. Also the console specific functions starting with prefix "domain_" shall be modified to "console_" to

[Xen-devel] [PATCH 06/25 v6] xen/arm: vpl011: Add a new domctl API to initialize vpl011

Add a new domctl API to initialize vpl011. It takes the GFN and console backend domid as input and returns an event channel to be used for sending and receiving events from Xen. Xen will communicate with xenconsole using GFN as the ring buffer and the event channel to transmit and receive pl011

[Xen-devel] [PATCH 12/25 v6] xen/arm: vpl011: Add a new buffer_available function in xenconsole

This patch introduces a new buffer_available function to check if more data is allowed to be buffered. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 08/25 v6] xen/arm: vpl011: Modify xenconsole to define and use a new console structure

Xenconsole uses a domain structure which contains console specific fields. This patch defines a new console structure, which would be used by the xenconsole functions to perform console specific operations like reading/writing data from/to the console ring buffer or reading/writing data from/to

[Xen-devel] [PATCH 15/25 v6] xen/arm: vpl011: Add a new console_evtchn_unmask function in xenconsole

This patch introduces a new console_evtchn_unmask function. This function unmasks the console event channel if it is masked for some timeout period. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC:

[Xen-devel] [PATCH 11/25 v6] xen/arm: vpl011: Add a new console_init function in xenconsole

This patch introduces a new console_init function. This function initializes the console structure. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini CC:

[Xen-devel] [PATCH 17/25 v6] xen/arm: vpl011: Add a new handle_console_tty function in xenconsole

This patch introduces a new handle_console_tty function. This function performs read/write from/to console tty. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 00/25 v6] SBSA UART emulation support in Xen

SBSA UART emulation for guests in Xen == Linaro has published VM System specification for ARM Processors, which provides a set of guidelines for both guest OS and hypervisor implementations, such that building OS images according to these guidelines guarantees

[Xen-devel] [PATCH 16/25 v6] xen/arm: vpl011: Add a new handle_console_ring function in xenconsole

This patch introduces a new handle_console_ring function. This function reads the data from the ring buffer on receiving an event. Signed-off-by: Bhupinder Thakur --- CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini

[Xen-devel] [PATCH 07/25 v6] xen/arm: vpl011: Add a new vuart node in the xenstore

Add a new vuart console node to xenstore. This node is added at /local/domain/$DOMID/vuart/0. The node contains information such as the ring-ref, event channel, buffer limit and type of console. Xenconsole reads the node information to setup the ring buffer and event channel for

[Xen-devel] [PATCH 04/25 v6] xen/arm: vpl011: Add support for vuart in libxl

An option is provided in libxl to enable/disable sbsa vuart while creating a guest domain. Libxl now suppots a generic vuart console and sbsa uart is a specific type. In future support can be added for multiple vuart of different types. User can enable sbsa vuart by adding the following line in

[Xen-devel] [PATCH 09/25 v6] xen/arm: vpl011: Rename the console structure field conspath to xspath

The console->conspath name is changed to console->xspath as it is clear from the name that it is referring to xenstore path. Signed-off-by: Bhupinder Thakur Reviewed-by: Stefano Stabellini Acked-by: Wei Liu --- CC: Ian

[Xen-devel] [PATCH 01/25 v6] xen/arm: vpl011: Define common ring buffer helper functions in console.h

DEFINE_XEN_FLEX_RING(xencons) defines common helper functions such as xencons_queued() to tell the current size of the ring buffer, xencons_mask() to mask off the index, which are useful helper functions. pl011 emulation code will use these helper functions. io/console.h includes io/ring.h which

[Xen-devel] [PATCH 03/25 v6] xen/arm: vpl011: Allocate a new GFN in the toolstack for vuart

Allocate a new gfn to be used as a ring buffer between xenconsole and Xen for sending/receiving pl011 console data. Signed-off-by: Bhupinder Thakur Acked-by: Stefano Stabellini Acked-by: Wei Liu --- CC: Ian Jackson

[Xen-devel] [PATCH 05/25 v6] xen/arm: vpl011: Rearrange xen header includes in alphabetical order in domctl.c

Rearrange xen header includes in alphabetical order in domctl.c. Signed-off-by: Bhupinder Thakur Reviewed-by: Stefano Stabellini --- CC: Stefano Stabellini CC: Julien Grall Changes since v5: -

[Xen-devel] [PATCH 02/25 v6] xen/arm: vpl011: Add SBSA UART emulation in Xen

Add emulation code to emulate read/write access to pl011 registers and pl011 interrupts: - Emulate DR read/write by reading and writing from/to the IN and OUT ring buffers and raising an event to the backend when there is data in the OUT ring buffer and injecting an interrupt

[Xen-devel] [XenSummit 2017] Build tools follow up

Hi, all! This is a follow-up on Xen distribution build systems we saw at the summit and invitation for sharing thoughts and ways we build our images and distros. I would like to specifically ask OpenXT project to reply with the description of their build system so we have clear picture of what

[Xen-devel] [PATCH RFC] tools: Drop xc_cpuid_check() and bindings

There are no current users which I can locate. One piece of xend which didn't move forwards into xl/libxl is this: # Configure host CPUID consistency checks, which must be satisfied for this # VM to be allowed to run on this host's processor type: #cpuid_check=[

[Xen-devel] ARM: Adjusting guest memory size through xl mem-{set|max} fails

Hi all, My setup comprises an ARMv7 (Arndale, Linux kernel v4.11.6) and an ARMv8 (LeMaker HiKey, Linux kernel v4.9.0) development board. On both boards, I have Xen version 4.10-unstable running with the associated tools to manage a domu. Currently, I am trying to get xl mem-{set|max} to work on

Re: [Xen-devel] [PATCH] AMD IOMMU: drop amd_iommu_setup_hwdom_device()

On Fri, Jul 14, 2017 at 08:04:16AM -0600, Jan Beulich wrote: > By moving its bridge special casing to amd_iommu_add_device(), we can > pass the latter to setup_hwdom_pci_devices() and at once consistently > handle bridges discovered at boot time as well as such reported by Dom0 > later on. > >

Re: [Xen-devel] Notes on stubdoms and latency on ARM

On 07/17/2017 11:04 AM, Julien Grall wrote: > Hi, > > On 17/07/17 10:25, George Dunlap wrote: >> On 07/12/2017 07:14 AM, Dario Faggioli wrote: >>> On Fri, 2017-07-07 at 14:12 -0700, Stefano Stabellini wrote: On Fri, 7 Jul 2017, Volodymyr Babchuk wrote: >>> >> Since you are using

Re: [Xen-devel] [PATCH 1/6] xen-blkfront: quiesce/unquiesce queue instead of start/stop queues

On Sat, Jul 15, 2017 at 07:15:56AM +0800, Ming Lei wrote: > stopping queue may cause race and may not stop the queue really > after the API returns, and we have improved quiescing > interface and it really can block dispatching once it returns. > > So switch to quiesce/unquiece like what we did

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

On 07/17/2017 11:37 AM, Roger Pau Monné wrote: > On Mon, Jul 17, 2017 at 11:10:50AM +0100, Andrew Cooper wrote: >> On 17/07/17 10:36, Roger Pau Monné wrote: >>> Hello, >>> >>> I didn't actually take notes, so this is from the top of my head. If >>> anyone took notes or remember something

Re: [Xen-devel] [PATCH] IOMMU/PCI: make a few functions static

On Fri, Jul 14, 2017 at 08:05:05AM -0600, Jan Beulich wrote: > Add forward declarations in order to not move things around. > > Signed-off-by: Jan Beulich Reviewed-by: Roger Pau Monné ___ Xen-devel mailing

[Xen-devel] [PATCH v2] xenconsole: Add pipe option

Add pipe option to xenconsole that forwards console input. Signed-off-by: Felix Schmoll --- Changed since v1: * introduce separate pipe flag * remove changes to libxl --- tools/console/client/main.c | 7 ++- 1 file changed, 6 insertions(+), 1 deletion(-)

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

On 07/17/2017 10:36 AM, Roger Pau Monné wrote: > Hello, > > I didn't actually take notes, so this is from the top of my head. If > anyone took notes or remember something different, please feel free to > correct it. > > This is the output from the PVH toolstack interface session. The >

Re: [Xen-devel] [PATCH 15/15] xen: tools: expose EPC in ACPI table

On Sun, Jul 09, 2017 at 08:16:05PM +1200, Kai Huang wrote: > On physical machine EPC is exposed in ACPI table via "INT0E0C". Although EPC > can be discovered by CPUID but Windows driver requires EPC to be exposed in > ACPI table as well. This patch exposes EPC in ACPI table. > > Signed-off-by:

[Xen-devel] [XenSummit 2017] Notes from the 5-level-paging session

Hey, I took a few notes at the 5-level-paging session at the summit. I hope there isn't any major stuff missing... Participants (at least naming the active ones): Andrew Cooper, Jan Beulich, Yu Zhang and myself (the list is just from my memory). The following topics have been discussed in the

Re: [Xen-devel] preparations for 4.8.2

On Mon, Jul 17, 2017 at 09:17:23AM +0100, Lars Kurth wrote: > Folks, > > I didn't run the XSA script. Maybe someone can have a go and test out the > instructions in > https://xenbits.xenproject.org/gitweb/?p=people/larsk/xen-release-scripts.g > it;a=summary > The scripts does requireS XSA.GIT to

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

On Mon, Jul 17, 2017 at 11:10:50AM +0100, Andrew Cooper wrote: > On 17/07/17 10:36, Roger Pau Monné wrote: > > Hello, > > > > I didn't actually take notes, so this is from the top of my head. If > > anyone took notes or remember something different, please feel free to > > correct it. > > > > This

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH performance session

On 17/07/17 12:15, Andrew Cooper wrote: > On 17/07/17 11:09, Juergen Gross wrote: >> Hey, >> >> I took a few notes at the PVH performance session at the summit. >> I hope there isn't any major stuff missing... >> >> Participants (at least naming the active ones): Andrew Cooper, >> Jan Beulich,

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH performance session

On 17/07/17 11:09, Juergen Gross wrote: > Hey, > > I took a few notes at the PVH performance session at the summit. > I hope there isn't any major stuff missing... > > Participants (at least naming the active ones): Andrew Cooper, > Jan Beulich, Paul Durrant, Roger Pau Monné and myself (the list

Re: [Xen-devel] [XenSummit 2017] Notes from the PVH toolstack interface session

On 17/07/17 10:36, Roger Pau Monné wrote: > Hello, > > I didn't actually take notes, so this is from the top of my head. If > anyone took notes or remember something different, please feel free to > correct it. > > This is the output from the PVH toolstack interface session. The > participants

[Xen-devel] [XenSummit 2017] Notes from the PVH performance session

Hey, I took a few notes at the PVH performance session at the summit. I hope there isn't any major stuff missing... Participants (at least naming the active ones): Andrew Cooper, Jan Beulich, Paul Durrant, Roger Pau Monné and myself (the list is just from my memory). Following performance

Re: [Xen-devel] Notes on stubdoms and latency on ARM

Hi, On 17/07/17 10:25, George Dunlap wrote: On 07/12/2017 07:14 AM, Dario Faggioli wrote: On Fri, 2017-07-07 at 14:12 -0700, Stefano Stabellini wrote: On Fri, 7 Jul 2017, Volodymyr Babchuk wrote: Since you are using Credit, can you try to disable context switch rate limiting? Yep. You

Re: [Xen-devel] [PATCH v9 7/7] tools/xen-mceinj: add support of injecting LMCE

On Thu, Jul 13, 2017 at 10:10:05AM +0800, Haozhong Zhang wrote: > On 07/12/17 09:26 -0400, Konrad Rzeszutek Wilk wrote: > > On Wed, Jul 12, 2017 at 10:04:40AM +0800, Haozhong Zhang wrote: > > > If option '-l' or '--lmce' is specified and the host supports LMCE, > > > xen-mceinj will inject LMCE to

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