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new: xhci get descriptor

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This commit is contained in:
fslongjin
2022-08-30 20:34:52 +08:00
parent 3d5fe966d3
commit 416a802b9c
7 changed files with 980 additions and 128 deletions
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2
kernel/driver/pci/msi.c
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@ -164,6 +164,7 @@ int pci_enable_msi(struct msi_desc_t *msi_desc)
if (msi_desc->pci.msi_attribute.is_msix) // MSI-X
{
kdebug("is msix");
// 读取msix的信息
struct pci_msix_cap_t cap = __msi_read_msix_cap_list(msi_desc, cap_ptr);
// 映射msix table
@ -181,6 +182,7 @@ int pci_enable_msi(struct msi_desc_t *msi_desc)
}
else
{
kdebug("is msi");
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
message_control = (tmp >> 16) & 0xffff;