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Various fixes for PCI work

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Squashed commits:

1. Porting prior PCI work in place of jailhouse code

At this point the PCI enumeration works for x86_64 including over
pci-pci bridges.

Running QEMU with this configuration we see the bridge and the
device on the bridge.  It also detected the qemu test device

qemu-system-x86_64 \
  -cpu host,+pcid,+x2apic,+tsc-deadline,+xsave,+rdrand \
  --enable-kvm -smp 1 -m 2G -cdrom boot.iso --nographic -no-reboot \
  -device pci-testdev \
  -device pci-bridge,id=bridge0,chassis_nr=2 \
  -device e1000,bus=bridge0,addr=0x3

qemu_pci_init: Initializing PCI Bus
pci_probe_device: [00:00.0] Found 8086:1237, class/revision 06000002
pci_probe_device: [00:01.1] Found 8086:7010, class/revision 01018000
pci_probe_device: [00:01.2] Found ffff:ffff, class/revision ffffffff
pci_probe_device: [00:01.3] Found 8086:7113, class/revision 06800003
pci_probe_device: [00:01.4] Found ffff:ffff, class/revision ffffffff
pci_probe_device: [00:01.5] Found ffff:ffff, class/revision ffffffff
pci_probe_device: [00:01.6] Found ffff:ffff, class/revision ffffffff
pci_probe_device: [00:01.7] Found ffff:ffff, class/revision ffffffff
pci_probe_device: [00:02.0] Found 1234:1111, class/revision 03000002
pci_probe_device: [00:03.0] Found 8086:100e, class/revision 02000003
pci_probe_device: [00:04.0] Found 1b36:0005, class/revision 00ff0000
pci_probe_device: [00:04.0] Probing
pci_check_pci_bridge: [00:05.0] Found Bridge
pci_probe_device: [01:03.0] Found 8086:100e, class/revision 02000003
pci_probe_device: [00:05.0] Found 1b36:0001, class/revision 06040000

2. Remove unused CONFIG_PCI_MAX_BDF option

3. Add a workaround for Jailhouse pci scanning

4. Extend BAR parsing and handle PIO and MMIO for pci-testdev

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>

5. PCI: Add initial support for QEMU 'edu' test device

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>

6. Bring up PCI later in boot process

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>

7. Add ISR and DMA support to QEMU edu test pci device

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>

8. Fix bad function prototype definition in qemu_edu

9. intel64:  Add a pci test configuration and instructions

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>

10. PCI: Fix issue in identification of 64bit bar

Signed-off-by: Brennan Ashton <bashton@brennanashton.com>
This commit is contained in:
Brennan Ashton
2020-05-07 02:59:29 -07:00
committed by Xiang Xiao
parent 18f97bf2f8
commit 69ed5bb67d
27 changed files with 2247 additions and 1542 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/debug.h
+3 -3
View File
@@ -920,19 +920,19 @@
# define ipcinfo _none
#endif
#ifdef CONFIG_DEBUG_PCIE_ERROR
#ifdef CONFIG_DEBUG_PCI_ERROR
# define pcierr _err
#else
# define pcierr _none
#endif
#ifdef CONFIG_DEBUG_PCIE_WARN
#ifdef CONFIG_DEBUG_PCI_WARN
# define pciwarn _warn
#else
# define pciwarn _none
#endif
#ifdef CONFIG_DEBUG_PCIE_INFO
#ifdef CONFIG_DEBUG_PCI_INFO
# define pciinfo _info
#else
# define pciinfo _none