DragonOS-Community/DragonOS
4
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-18 12:16:31 +00:00
Code Issues Releases Wiki Activity

new: msix中断

Browse Source
This commit is contained in:
fslongjin
2022-08-23 21:10:48 +08:00
parent 554b73ec99
commit ff94280f77
6 changed files with 176 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/driver/usb/xhci/xhci.c
View File

@ -593,6 +593,7 @@ uint64_t xhci_hc_irq_install(uint64_t irq_num, void *arg)
msi_desc.edge_trigger = info->edge_trigger;
msi_desc.processor = info->processor;
msi_desc.pci.msi_attribute.is_64 = 1;
msi_desc.pci.msi_attribute.is_msix=1;
// todo: QEMU是使用msix的，因此要先在pci中实现msix
io_mfence();
int retval = pci_enable_msi(&msi_desc);