1*db3a4f0aSMihai CarabasWhat: /sys/devices/pci0000:00/*/QEMU0001:00/capability for MMIO 2*db3a4f0aSMihai Carabas /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/capability for PCI 3487709faSzhenwei piDate: Jan 2021 4487709faSzhenwei piContact: zhenwei pi <pizhenwei@bytedance.com> 5487709faSzhenwei piDescription: 6487709faSzhenwei pi Read-only attribute. Capabilities of pvpanic device which 7487709faSzhenwei pi are supported by QEMU. 8487709faSzhenwei pi 9487709faSzhenwei pi Format: %x. 10487709faSzhenwei pi 11487709faSzhenwei pi Detailed bit definition refers to section <Bit Definition> 12487709faSzhenwei pi from pvpanic device specification: 13487709faSzhenwei pi https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/specs/pvpanic.txt 148d6da657Szhenwei pi 158d6da657Szhenwei piWhat: /sys/devices/pci0000:00/*/QEMU0001:00/events 16*db3a4f0aSMihai Carabas /sys/bus/pci/drivers/pvpanic-pci/0000:00:0*.0/events for PCI 178d6da657Szhenwei piDate: Jan 2021 188d6da657Szhenwei piContact: zhenwei pi <pizhenwei@bytedance.com> 198d6da657Szhenwei piDescription: 208d6da657Szhenwei pi RW attribute. Set/get which features in-use. This attribute 218d6da657Szhenwei pi is used to enable/disable feature(s) of pvpanic device. 228d6da657Szhenwei pi Notice that this value should be a subset of capability. 238d6da657Szhenwei pi 248d6da657Szhenwei pi Format: %x. 258d6da657Szhenwei pi 268d6da657Szhenwei pi Also refer to pvpanic device specification. 27