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Thank you, Mihai > This patchset adds support for PCI in the pvpanic driver. The device already > got in qemu [1]. > > v2: > - mmio -> MMIO, pci -> PCI suggested by Randy Dunlap. > - group pvpanic-common.c and mmio.c in the same module. The intention was to > have only one module and the common code splitted up to be re-used by the > pvpanic-pci module in the next patch. > - add a new patch where add the licenses for the new files (when I moved the > code to mmio.c I preserved the original licenses there) > - properly clean-up PCI device when driver removed. > > v3: > - drop patch 3 with licenses and add them when creating files > - create a new patch (2/3) which allowes multiple pvpanic instances > > v4: > - fix Makefile in patch 1/3 and 3/3 for pvpanic.o as suggested by Arnd > > How to test: > > Run a VM with latest qemu which has the pvpanic-pci device: > qemu-system-aarch64 -device pvpanic-pci > > Generate a panic in the guest: > echo 1 > /proc/sys/kernel/sysrq > echo c > /proc/sysrq-trigger > > Observe in the QMP console the panic events received by the device: > > {"timestamp": {"seconds": 1613122186, "microseconds": 141729}, "event": > "GUEST_PANICKED", "data": {"action": "pause"}} > > {"timestamp": {"seconds": 1613122186, "microseconds": 141833}, "event": > "GUEST_PANICKED", "data": {"action": "poweroff"}} > > {"timestamp": {"seconds": 1613122186, "microseconds": 141896}, "event": > "SHUTDOWN", "data": {"guest": true, "reason": "guest-panic"}} > > > [1] https://github.com/qemu/qemu/commit/9df52f58e76e904fb141b10318362d718f470db2 > > > > Mihai Carabas (3): > misc/pvpanic: split-up generic and platform dependent code > misc/pvpanic: probe multiple instances > misc/pvpanic: add PCI driver > > drivers/misc/Kconfig | 9 +- > drivers/misc/Makefile | 2 +- > drivers/misc/pvpanic/Kconfig | 25 +++++ > drivers/misc/pvpanic/Makefile | 8 ++ > drivers/misc/{pvpanic.c => pvpanic/pvpanic-mmio.c} | 43 ++------ > drivers/misc/pvpanic/pvpanic-pci.c | 54 ++++++++++ > drivers/misc/pvpanic/pvpanic.c | 120 +++++++++++++++++++++ > drivers/misc/pvpanic/pvpanic.h | 16 +++ > 8 files changed, 232 insertions(+), 45 deletions(-) > create mode 100644 drivers/misc/pvpanic/Kconfig > create mode 100644 drivers/misc/pvpanic/Makefile > rename drivers/misc/{pvpanic.c => pvpanic/pvpanic-mmio.c} (67%) > create mode 100644 drivers/misc/pvpanic/pvpanic-pci.c > create mode 100644 drivers/misc/pvpanic/pvpanic.c > create mode 100644 drivers/misc/pvpanic/pvpanic.h >