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Code Issues Releases Wiki Activity

new: msi_desc

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fslongjin
2022-07-25 11:50:15 +08:00
parent a3b5102a36
commit 7ca8f42c17
4 changed files with 63 additions and 15 deletions
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10
kernel/driver/usb/xhci/xhci.c
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@ -557,8 +557,16 @@ uint64_t xhci_hc_irq_install(uint64_t irq_num, void *arg)
return -EINVAL;
struct xhci_hc_irq_install_info_t *info = (struct xhci_hc_irq_install_info_t *)arg;
struct msi_desc_t msi_desc;
memset(&msi_desc, 0, sizeof(struct msi_desc_t));
msi_desc.pci_dev = (struct pci_device_structure_header_t*)xhci_hc[cid].pci_dev_hdr;
msi_desc.assert = info->assert;
msi_desc.edge_trigger = info->edge_trigger;
msi_desc.processor = info->processor;
msi_desc.pci.msi_attribute.is_64 = 1;
// todo: QEMU是使用msix的，因此要先在pci中实现msix
int retval = pci_enable_msi(xhci_hc[cid].pci_dev_hdr, irq_num, info->processor, info->edge_trigger, info->assert);
int retval = pci_enable_msi(&msi_desc);
kdebug("pci retval = %d", retval);
kdebug("xhci irq %d installed.", irq_num);
return 0;