> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Sent: Monday, November 21, 2022 10:38 PM > > For supporting post MSI-X enable allocations and for the upcoming PCI/IMS > support a seperate interface is required which allows not only the s/seperate/separate/ > > The function also takes an optional @cookie argument which is of type union > msi_dev_cookie. This cookie is not used by the core code and is stored in no msi_dev_cookie. > > +/* > + * Constant to be used for dynamic allocations when the allocation > + * is any free MSI index (entry in the MSI-X table or a software > + * managed index. miss a parenthesis in the end. > + * > + * This requires a MSI interrupt domain which lets the core code manage > the > + * MSI descriptors. > + * > + * Return: struct msi_map > + * > + * On success msi_map::index contains the allocated index number and > + * msi_map::virq the corresponding Linux interrupt number msi_map::virq 'contains' the...
