search for: ffe000000

...eds to be available with the device fd. 1. VFIO_GROUP_GET_DEVICE_FD User space has to know which device it is accessing and will call VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to get the device information: fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); (whether the path is a device tree path or a sysfs path is up for discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") 2. VFIO_DEVICE_GET_INFO Don't think any changes are needed to VFIO_DEVICE_GET_INFO other than adding a new flag identifying...

...eds to be available with the device fd. 1. VFIO_GROUP_GET_DEVICE_FD User space has to know which device it is accessing and will call VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to get the device information: fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); (whether the path is a device tree path or a sysfs path is up for discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") 2. VFIO_DEVICE_GET_INFO Don't think any changes are needed to VFIO_DEVICE_GET_INFO other than adding a new flag identifying...

...fd. > > 1. VFIO_GROUP_GET_DEVICE_FD > > User space has to know which device it is accessing and will call > VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to > get the device information: > > fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); > > (whether the path is a device tree path or a sysfs path is up for > discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") > > 2. VFIO_DEVICE_GET_INFO > > Don't think any changes are needed to VFIO_DEVICE_GET_INFO other >...

...> > 1. VFIO_GROUP_GET_DEVICE_FD > > User space has to know which device it is accessing and will call > VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to > get the device information: > > fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); > > (whether the path is a device tree path or a sysfs path is up for > discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") > > 2. VFIO_DEVICE_GET_INFO > > Don't think any changes are needed to VFIO_DEVICE_GET_INFO other &g...

...OUP_GET_DEVICE_FD >> >> User space has to know which device it is accessing and will call >> VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to >> get the device information: >> >> fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); >> >> (whether the path is a device tree path or a sysfs path is up for >> discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") >> >> 2. VFIO_DEVICE_GET_INFO >> >> Don't think any changes are needed to VFIO...

...OUP_GET_DEVICE_FD >> >> User space has to know which device it is accessing and will call >> VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to >> get the device information: >> >> fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, "/soc at ffe000000/usb at 210000"); >> >> (whether the path is a device tree path or a sysfs path is up for >> discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") >> >> 2. VFIO_DEVICE_GET_INFO >> >> Don't think any changes are needed to VFIO...

...turn: -for index 0: offset=0, size=0x10000 -- allows mmap of physical 0xffe220000 flags = VFIO_DEVTREE_REGION_INFO_FLAG_REG | VFIO_DEVTREE_REGION_INFO_FLAG_PATH vfio_devtree_info_path len = 26 path = "/soc at ffe000000/sata at 220000" The VFIO_DEVICE_GET_IRQ_INFO ioctl would return: -for index 0: flags = VFIO_IRQ_INFO_EVENTFD | VFIO_IRQ_INFO_MASKABLE | VFIO_DEVTREE_IRQ_INFO_FLAG_PATH vfio_devtree_info_path len = 26...

...turn: -for index 0: offset=0, size=0x10000 -- allows mmap of physical 0xffe220000 flags = VFIO_DEVTREE_REGION_INFO_FLAG_REG | VFIO_DEVTREE_REGION_INFO_FLAG_PATH vfio_devtree_info_path len = 26 path = "/soc at ffe000000/sata at 220000" The VFIO_DEVICE_GET_IRQ_INFO ioctl would return: -for index 0: flags = VFIO_IRQ_INFO_EVENTFD | VFIO_IRQ_INFO_MASKABLE | VFIO_DEVTREE_IRQ_INFO_FLAG_PATH vfio_devtree_info_path len = 26...

...offset=0, size=0x10000 -- allows mmap of physical 0xffe220000 > flags = VFIO_DEVTREE_REGION_INFO_FLAG_REG | > VFIO_DEVTREE_REGION_INFO_FLAG_PATH > vfio_devtree_info_path > len = 26 > path = "/soc at ffe000000/sata at 220000" > > The VFIO_DEVICE_GET_IRQ_INFO ioctl would return: > -for index 0: > flags = VFIO_IRQ_INFO_EVENTFD | > VFIO_IRQ_INFO_MASKABLE | > VFIO_DEVTREE_IRQ_INFO_FLAG_PATH > vfio_devtree_info_pat...

...offset=0, size=0x10000 -- allows mmap of physical 0xffe220000 > flags = VFIO_DEVTREE_REGION_INFO_FLAG_REG | > VFIO_DEVTREE_REGION_INFO_FLAG_PATH > vfio_devtree_info_path > len = 26 > path = "/soc at ffe000000/sata at 220000" > > The VFIO_DEVICE_GET_IRQ_INFO ioctl would return: > -for index 0: > flags = VFIO_IRQ_INFO_EVENTFD | > VFIO_IRQ_INFO_MASKABLE | > VFIO_DEVTREE_IRQ_INFO_FLAG_PATH > vfio_devtree_info_pat...

...gt; 1. VFIO_GROUP_GET_DEVICE_FD > > User space has to know which device it is accessing and will call > VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to > get the device information: > > fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, > "/soc at ffe000000/usb at 210000"); > > (whether the path is a device tree path or a sysfs path is up for > discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") Doesn't VFIO need to operate on an actual Linux device, rather than just an OF node? Are we going to have a fixed...

...D > > > > User space has to know which device it is accessing and will call > > VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to > > get the device information: > > > > fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, > > "/soc at ffe000000/usb at 210000"); > > > > (whether the path is a device tree path or a sysfs path is up for > > discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") > > Doesn't VFIO need to operate on an actual Linux device, rather than > just an OF node? &g...

...D > > > > User space has to know which device it is accessing and will call > > VFIO_GROUP_GET_DEVICE_FD passing a specific platform device path to > > get the device information: > > > > fd = ioctl(group, VFIO_GROUP_GET_DEVICE_FD, > > "/soc at ffe000000/usb at 210000"); > > > > (whether the path is a device tree path or a sysfs path is up for > > discussion, e.g. "/sys/bus/platform/devices/ffe210000.usb") > > Doesn't VFIO need to operate on an actual Linux device, rather than > just an OF node? &g...