search for: vring_desc_f_eop

...ice to write back. - s/g chain: It makes sense to indicate the packet boundary. Considering in-order descriptor ring without VRING_DESC_F_INDIRECT, the next descriptor always belongs to the same s/g chain until end of packet indicators occur. So one alternative approach is only to set a flag (e.g. VRING_DESC_F_EOP) on the last descriptor of the chain. > > Driver might detect a partial descriptor chain (VRING_DESC_F_MORE set but next > descriptor not valid). In that case it must not use any parts of the chain - it will > later be completed by device, but driver is allowed to store the valid par...

This is an update from v1 version. Changes: - update event suppression mechanism - separate options for indirect and direct s/g - lots of new features --- Performance analysis of this is in my kvm forum 2016 presentation. The idea is to have a r/w descriptor in a ring structure, replacing the used and available ring, index and descriptor buffer. * Descriptor ring: Guest adds descriptors with

This is an update from v1 version. Changes: - update event suppression mechanism - separate options for indirect and direct s/g - lots of new features --- Performance analysis of this is in my kvm forum 2016 presentation. The idea is to have a r/w descriptor in a ring structure, replacing the used and available ring, index and descriptor buffer. * Descriptor ring: Guest adds descriptors with