cmd_buf_tail 863 drivers/iommu/amd_iommu.c target = iommu->cmd_buf + iommu->cmd_buf_tail; cmd_buf_tail 865 drivers/iommu/amd_iommu.c iommu->cmd_buf_tail += sizeof(*cmd); cmd_buf_tail 866 drivers/iommu/amd_iommu.c iommu->cmd_buf_tail %= CMD_BUFFER_SIZE; cmd_buf_tail 872 drivers/iommu/amd_iommu.c writel(iommu->cmd_buf_tail, iommu->mmio_base + MMIO_CMD_TAIL_OFFSET); cmd_buf_tail 1035 drivers/iommu/amd_iommu.c next_tail = (iommu->cmd_buf_tail + sizeof(*cmd)) % CMD_BUFFER_SIZE; cmd_buf_tail 615 drivers/iommu/amd_iommu_init.c iommu->cmd_buf_tail = 0; cmd_buf_tail 543 drivers/iommu/amd_iommu_types.h u32 cmd_buf_tail;