On Fri, 2016-10-14 at 15:54 -0400, Laine Stump wrote: > There is an existing virDomainPCIAddressReserveNextSlot() which will > reserve all functions of the next available PCI slot. One place in the > qemu PCI address assignment code requires reserving a *single* > function of the next available PCI slot. This patch modifies and > renames virDomainPCIAddressReserveNextSlot() so that it can fulfill > both the original purpose and the need to reserve a single function. > > (This is being done so that the abovementioned code in qemu can have > its "kind of open coded" solution replaced with a call to this new > function). > --- > > Changes: Fixed indentation and comments, and removed unnecessary > setting of lastaddr.function and lastaddr.multi. > > src/conf/domain_addr.c | 49 >+++++++++++++++++++++++++++++++++++++++++++----- > src/conf/domain_addr.h | 7 +++++++ > src/libvirt_private.syms | 1 + > 3 files changed, 52 insertions(+), 5 deletions(-) > > diff --git a/src/conf/domain_addr.c b/src/conf/domain_addr.c > index 080d882..1710220 100644 > --- a/src/conf/domain_addr.c > +++ b/src/conf/domain_addr.c > @@ -691,29 +691,68 @@ > virDomainPCIAddressGetNextSlot(virDomainPCIAddressSetPtr addrs, > return 0; > } > > + > +/** > + * virDomainPCIAddressReserveNextAddr: > + * > + * find the next *completely unreserved* slot with compatible > + * connection @flags, mark either one function or the entire > + * slot as in-use (according to @function and @reserveEntireSlot), > + * and set @dev->addr.pci with this newly reserved address.
This looks much much better... > + * @addrs: a set of PCI addresses. > + * > + * @dev: virDomainDeviceInfo that should get the new address. > + * > + * @flags: CONNECT_TYPE flags for the device that needs an address. > + * > + * @function: which function on the slot to mark as reserved > + * (if @reserveEntireSlot is false) > + * > + * @reserveEntireSlot: true to reserve all functions on the new slot, > + * false to reserve just @function ... but these are still weird. Please take a look at include/libvirt/libvirt-domain.h to see what I mean. Interestingly, in that file the arguments are documented *before* describing the function itself. We should probably stick to that order here as well. > + * Extra line here, didn't notice it the first time around. > + * > + * returns 0 on success, or -1 on failure. > + */ > int > -virDomainPCIAddressReserveNextSlot(virDomainPCIAddressSetPtr addrs, > +virDomainPCIAddressReserveNextAddr(virDomainPCIAddressSetPtr addrs, ACK after you tweak indentation for the comment :) -- Andrea Bolognani / Red Hat / Virtualization -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list
