cmd_buf_head     1037 drivers/iommu/amd_iommu.c 	left      = (iommu->cmd_buf_head - next_tail) % CMD_BUFFER_SIZE;
cmd_buf_head     1051 drivers/iommu/amd_iommu.c 		iommu->cmd_buf_head = readl(iommu->mmio_base +
cmd_buf_head      614 drivers/iommu/amd_iommu_init.c 	iommu->cmd_buf_head = 0;
cmd_buf_head      542 drivers/iommu/amd_iommu_types.h 	u32 cmd_buf_head;