On Sat, Sep 05, 2020 at 03:14:20PM +0800, Wesley Sheng wrote: > +static void build_pf_iommu_pages(struct iommu_cmd *cmd, u64 address, > + u16 devid, int pfcnt, bool size, > + bool inv) > +{ > + memset(cmd, 0, sizeof(*cmd)); > + > + address &= PAGE_MASK; > + > + cmd->data[0] = devid; > + cmd->data[0] |= (pfcnt & 0xff) << 24; > + cmd->data[2] = lower_32_bits(address); > + cmd->data[3] = upper_32_bits(address; > + if (size) > + cmd->data[2] |= CMD_INV_IOMMU_PAGES_SIZE_MASK; > + if (inv) > + cmd->data[2] |= CMD_PF_IOMMU_PAGES_INV_MASK; > + CMD_SET_TYPE(cmd, CMD_PF_IOMMU_PAGES); > +}
This also needs to add a user of this function. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu