[6.6] [Feature]: Backporting prerequisite upstream patches to support RISC-V AIA · Pull Request !5190 · anolis/cloud-kernel

bugzilla: https://bugzilla.openanolis.cn/show_bug.cgi?id=20644

project: TC2025040201
Backporting prerequisite upstream patches to support RISC-V AIA
为了支持 RISC-V AIA 反合前置补丁

[test log]
涉及MSI公共流程修改，在x86_64和arm64虚机上验证无异常

x86_64虚机：
root@anolis:~# uname -a
Linux anolis 6.6.71 #1 SMP PREEMPT_DYNAMIC Thu Apr 24 09:11:48 CST 2025 x86_64 x86_64 x86_64 GNU/Linux
root@anolis:~# lspci -vvv | grep -i msi
Capabilities: [98] MSI-X: Enable+ Count=2 Masked-
Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
root@anolis:~# cat /proc/interrupts | grep MSI
24: 0 0 0 0 PCI-MSIX-0000:00:04.0 0-edge virtio0-config
25: 0 0 0 7042 PCI-MSIX-0000:00:04.0 1-edge virtio0-req.0
26: 0 0 0 0 PCI-MSIX-0000:00:07.0 0-edge virtio2-config
27: 275 0 0 0 PCI-MSIX-0000:00:07.0 1-edge virtio2-input.0
28: 0 264 0 0 PCI-MSIX-0000:00:07.0 2-edge virtio2-output.0

arm64虚机：
root@anolis:~# uname -a
Linux anolis 6.6.71 #1 SMP PREEMPT_DYNAMIC Thu Apr 24 16:46:17 CST 2025 aarch64 aarch64 aarch64 GNU/Linux
root@anolis:~# lspci -vvv|grep MSI
Capabilities: [54] Express (v2) Root Port (Slot+), MSI 00
Capabilities: [48] MSI-X: Enable+ Count=1 Masked-
Capabilities: [54] Express (v2) Root Port (Slot+), MSI 00
Capabilities: [48] MSI-X: Enable+ Count=1 Masked-
Capabilities: [54] Express (v2) Root Port (Slot+), MSI 00
Capabilities: [48] MSI-X: Enable+ Count=1 Masked-
Capabilities: [54] Express (v2) Root Port (Slot+), MSI 00
Capabilities: [48] MSI-X: Enable+ Count=1 Masked-
Capabilities: [54] Express (v2) Root Port (Slot+), MSI 00
Capabilities: [48] MSI-X: Enable+ Count=1 Masked-
Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
Capabilities: [8c] MSI: Enable- Count=1/1 Maskable+ 64bit+
Capabilities: [48] Express (v2) PCI-Express to PCI/PCI-X Bridge, MSI 00
Capabilities: [dc] MSI-X: Enable+ Count=4 Masked-
Capabilities: [40] Express (v2) Endpoint, MSI 00
Capabilities: [dc] MSI-X: Enable+ Count=2 Masked-
Capabilities: [40] Express (v2) Endpoint, MSI 00
Capabilities: [dc] MSI-X: Enable+ Count=3 Masked-
Capabilities: [40] Express (v2) Endpoint, MSI 00
root@anolis:~# cat /proc/interrupts |grep MSI
50: 1 0 0 0 ITS-MSI 16384 Edge PCIe PME, aerdrv, pciehp
51: 0 1 0 0 ITS-MSI 18432 Edge PCIe PME, aerdrv, pciehp
52: 0 0 1 0 ITS-MSI 20480 Edge PCIe PME, aerdrv, pciehp
53: 0 0 0 1 ITS-MSI 22528 Edge PCIe PME, aerdrv, pciehp
54: 6 0 0 0 ITS-MSI 24576 Edge PCIe PME, aerdrv, pciehp
56: 0 0 0 0 ITS-MSI 2621440 Edge virtio3-config
57: 0 0 175 0 ITS-MSI 2621441 Edge virtio3-control
58: 0 0 0 1 ITS-MSI 2621442 Edge virtio3-cursor
59: 0 0 0 0 ITS-MSI 2097152 Edge virtio2-config
60: 16164 0 0 0 ITS-MSI 2097153 Edge virtio2-req.0
61: 0 0 0 0 ITS-MSI 1572864 Edge virtio1-config
62: 0 0 0 0 ITS-MSI 1572865 Edge virtio1-control
63: 0 0 0 0 ITS-MSI 1572866 Edge virtio1-event
64: 0 549 0 0 ITS-MSI 1572867 Edge virtio1-request
65: 0 0 0 0 ITS-MSI 114688 Edge virtio0-config
66: 0 209 0 0 ITS-MSI 114689 Edge virtio0-input.0
67: 0 0 135 0 ITS-MSI 114690 Edge virtio0-output.0

类型	指派人员	状态
审查	Guanjun 王鹏 xunlei 半叶枫尘 Artie Ding xueshuai 冯光辉 Guixin Liu health_jay kun-llfl MinLi Xuchun Shang	已完成 (0/0人)
测试	小龙已测试通过	已完成 (1/1人)

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