diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dt-bindings/memory/mt6779-larb-port.h | 206 | ||||
| -rw-r--r-- | include/linux/dmar.h | 1 | ||||
| -rw-r--r-- | include/linux/intel-iommu.h | 13 | ||||
| -rw-r--r-- | include/linux/io-pgtable.h | 2 | ||||
| -rw-r--r-- | include/linux/iommu.h | 38 | ||||
| -rw-r--r-- | include/uapi/linux/iommu.h | 6 |
6 files changed, 237 insertions, 29 deletions
diff --git a/include/dt-bindings/memory/mt6779-larb-port.h b/include/dt-bindings/memory/mt6779-larb-port.h new file mode 100644 index 000000000000..2ad0899fbf2f --- /dev/null +++ b/include/dt-bindings/memory/mt6779-larb-port.h @@ -0,0 +1,206 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Chao Hao <chao.hao@mediatek.com> + */ + +#ifndef _DTS_IOMMU_PORT_MT6779_H_ +#define _DTS_IOMMU_PORT_MT6779_H_ + +#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port)) + +#define M4U_LARB0_ID 0 +#define M4U_LARB1_ID 1 +#define M4U_LARB2_ID 2 +#define M4U_LARB3_ID 3 +#define M4U_LARB4_ID 4 +#define M4U_LARB5_ID 5 +#define M4U_LARB6_ID 6 +#define M4U_LARB7_ID 7 +#define M4U_LARB8_ID 8 +#define M4U_LARB9_ID 9 +#define M4U_LARB10_ID 10 +#define M4U_LARB11_ID 11 + +/* larb0 */ +#define M4U_PORT_DISP_POSTMASK0 MTK_M4U_ID(M4U_LARB0_ID, 0) +#define M4U_PORT_DISP_OVL0_HDR MTK_M4U_ID(M4U_LARB0_ID, 1) +#define M4U_PORT_DISP_OVL1_HDR MTK_M4U_ID(M4U_LARB0_ID, 2) +#define M4U_PORT_DISP_OVL0 MTK_M4U_ID(M4U_LARB0_ID, 3) +#define M4U_PORT_DISP_OVL1 MTK_M4U_ID(M4U_LARB0_ID, 4) +#define M4U_PORT_DISP_PVRIC0 MTK_M4U_ID(M4U_LARB0_ID, 5) +#define M4U_PORT_DISP_RDMA0 MTK_M4U_ID(M4U_LARB0_ID, 6) +#define M4U_PORT_DISP_WDMA0 MTK_M4U_ID(M4U_LARB0_ID, 7) +#define M4U_PORT_DISP_FAKE0 MTK_M4U_ID(M4U_LARB0_ID, 8) + +/* larb1 */ +#define M4U_PORT_DISP_OVL0_2L_HDR MTK_M4U_ID(M4U_LARB1_ID, 0) +#define M4U_PORT_DISP_OVL1_2L_HDR MTK_M4U_ID(M4U_LARB1_ID, 1) +#define M4U_PORT_DISP_OVL0_2L MTK_M4U_ID(M4U_LARB1_ID, 2) +#define M4U_PORT_DISP_OVL1_2L MTK_M4U_ID(M4U_LARB1_ID, 3) +#define M4U_PORT_DISP_RDMA1 MTK_M4U_ID(M4U_LARB1_ID, 4) +#define M4U_PORT_MDP_PVRIC0 MTK_M4U_ID(M4U_LARB1_ID, 5) +#define M4U_PORT_MDP_PVRIC1 MTK_M4U_ID(M4U_LARB1_ID, 6) +#define M4U_PORT_MDP_RDMA0 MTK_M4U_ID(M4U_LARB1_ID, 7) +#define M4U_PORT_MDP_RDMA1 MTK_M4U_ID(M4U_LARB1_ID, 8) +#define M4U_PORT_MDP_WROT0_R MTK_M4U_ID(M4U_LARB1_ID, 9) +#define M4U_PORT_MDP_WROT0_W MTK_M4U_ID(M4U_LARB1_ID, 10) +#define M4U_PORT_MDP_WROT1_R MTK_M4U_ID(M4U_LARB1_ID, 11) +#define M4U_PORT_MDP_WROT1_W MTK_M4U_ID(M4U_LARB1_ID, 12) +#define M4U_PORT_DISP_FAKE1 MTK_M4U_ID(M4U_LARB1_ID, 13) + +/* larb2-VDEC */ +#define M4U_PORT_HW_VDEC_MC_EXT MTK_M4U_ID(M4U_LARB2_ID, 0) +#define M4U_PORT_HW_VDEC_UFO_EXT MTK_M4U_ID(M4U_LARB2_ID, 1) +#define M4U_PORT_HW_VDEC_PP_EXT MTK_M4U_ID(M4U_LARB2_ID, 2) +#define M4U_PORT_HW_VDEC_PRED_RD_EXT MTK_M4U_ID(M4U_LARB2_ID, 3) +#define M4U_PORT_HW_VDEC_PRED_WR_EXT MTK_M4U_ID(M4U_LARB2_ID, 4) +#define M4U_PORT_HW_VDEC_PPWRAP_EXT MTK_M4U_ID(M4U_LARB2_ID, 5) +#define M4U_PORT_HW_VDEC_TILE_EXT MTK_M4U_ID(M4U_LARB2_ID, 6) +#define M4U_PORT_HW_VDEC_VLD_EXT MTK_M4U_ID(M4U_LARB2_ID, 7) +#define M4U_PORT_HW_VDEC_VLD2_EXT MTK_M4U_ID(M4U_LARB2_ID, 8) +#define M4U_PORT_HW_VDEC_AVC_MV_EXT MTK_M4U_ID(M4U_LARB2_ID, 9) +#define M4U_PORT_HW_VDEC_UFO_ENC_EXT MTK_M4U_ID(M4U_LARB2_ID, 10) +#define M4U_PORT_HW_VDEC_RG_CTRL_DMA_EXT MTK_M4U_ID(M4U_LARB2_ID, 11) + +/* larb3-VENC */ +#define M4U_PORT_VENC_RCPU MTK_M4U_ID(M4U_LARB3_ID, 0) +#define M4U_PORT_VENC_REC MTK_M4U_ID(M4U_LARB3_ID, 1) +#define M4U_PORT_VENC_BSDMA MTK_M4U_ID(M4U_LARB3_ID, 2) +#define M4U_PORT_VENC_SV_COMV MTK_M4U_ID(M4U_LARB3_ID, 3) +#define M4U_PORT_VENC_RD_COMV MTK_M4U_ID(M4U_LARB3_ID, 4) +#define M4U_PORT_VENC_NBM_RDMA MTK_M4U_ID(M4U_LARB3_ID, 5) +#define M4U_PORT_VENC_NBM_RDMA_LITE MTK_M4U_ID(M4U_LARB3_ID, 6) +#define M4U_PORT_JPGENC_Y_RDMA MTK_M4U_ID(M4U_LARB3_ID, 7) +#define M4U_PORT_JPGENC_C_RDMA MTK_M4U_ID(M4U_LARB3_ID, 8) +#define M4U_PORT_JPGENC_Q_TABLE MTK_M4U_ID(M4U_LARB3_ID, 9) +#define M4U_PORT_JPGENC_BSDMA MTK_M4U_ID(M4U_LARB3_ID, 10) +#define M4U_PORT_JPGDEC_WDMA MTK_M4U_ID(M4U_LARB3_ID, 11) +#define M4U_PORT_JPGDEC_BSDMA MTK_M4U_ID(M4U_LARB3_ID, 12) +#define M4U_PORT_VENC_NBM_WDMA MTK_M4U_ID(M4U_LARB3_ID, 13) +#define M4U_PORT_VENC_NBM_WDMA_LITE MTK_M4U_ID(M4U_LARB3_ID, 14) +#define M4U_PORT_VENC_CUR_LUMA MTK_M4U_ID(M4U_LARB3_ID, 15) +#define M4U_PORT_VENC_CUR_CHROMA MTK_M4U_ID(M4U_LARB3_ID, 16) +#define M4U_PORT_VENC_REF_LUMA MTK_M4U_ID(M4U_LARB3_ID, 17) +#define M4U_PORT_VENC_REF_CHROMA MTK_M4U_ID(M4U_LARB3_ID, 18) + +/* larb4-dummy */ + +/* larb5-IMG */ +#define M4U_PORT_IMGI_D1 MTK_M4U_ID(M4U_LARB5_ID, 0) +#define M4U_PORT_IMGBI_D1 MTK_M4U_ID(M4U_LARB5_ID, 1) +#define M4U_PORT_DMGI_D1 MTK_M4U_ID(M4U_LARB5_ID, 2) +#define M4U_PORT_DEPI_D1 MTK_M4U_ID(M4U_LARB5_ID, 3) +#define M4U_PORT_LCEI_D1 MTK_M4U_ID(M4U_LARB5_ID, 4) +#define M4U_PORT_SMTI_D1 MTK_M4U_ID(M4U_LARB5_ID, 5) +#define M4U_PORT_SMTO_D2 MTK_M4U_ID(M4U_LARB5_ID, 6) +#define M4U_PORT_SMTO_D1 MTK_M4U_ID(M4U_LARB5_ID, 7) +#define M4U_PORT_CRZO_D1 MTK_M4U_ID(M4U_LARB5_ID, 8) +#define M4U_PORT_IMG3O_D1 MTK_M4U_ID(M4U_LARB5_ID, 9) +#define M4U_PORT_VIPI_D1 MTK_M4U_ID(M4U_LARB5_ID, 10) +#define M4U_PORT_WPE_RDMA1 MTK_M4U_ID(M4U_LARB5_ID, 11) +#define M4U_PORT_WPE_RDMA0 MTK_M4U_ID(M4U_LARB5_ID, 12) +#define M4U_PORT_WPE_WDMA MTK_M4U_ID(M4U_LARB5_ID, 13) +#define M4U_PORT_TIMGO_D1 MTK_M4U_ID(M4U_LARB5_ID, 14) +#define M4U_PORT_MFB_RDMA0 MTK_M4U_ID(M4U_LARB5_ID, 15) +#define M4U_PORT_MFB_RDMA1 MTK_M4U_ID(M4U_LARB5_ID, 16) +#define M4U_PORT_MFB_RDMA2 MTK_M4U_ID(M4U_LARB5_ID, 17) +#define M4U_PORT_MFB_RDMA3 MTK_M4U_ID(M4U_LARB5_ID, 18) +#define M4U_PORT_MFB_WDMA MTK_M4U_ID(M4U_LARB5_ID, 19) +#define M4U_PORT_RESERVE1 MTK_M4U_ID(M4U_LARB5_ID, 20) +#define M4U_PORT_RESERVE2 MTK_M4U_ID(M4U_LARB5_ID, 21) +#define M4U_PORT_RESERVE3 MTK_M4U_ID(M4U_LARB5_ID, 22) +#define M4U_PORT_RESERVE4 MTK_M4U_ID(M4U_LARB5_ID, 23) +#define M4U_PORT_RESERVE5 MTK_M4U_ID(M4U_LARB5_ID, 24) +#define M4U_PORT_RESERVE6 MTK_M4U_ID(M4U_LARB5_ID, 25) + +/* larb6-IMG-VPU */ +#define M4U_PORT_IMG_IPUO MTK_M4U_ID(M4U_LARB6_ID, 0) +#define M4U_PORT_IMG_IPU3O MTK_M4U_ID(M4U_LARB6_ID, 1) +#define M4U_PORT_IMG_IPUI MTK_M4U_ID(M4U_LARB6_ID, 2) + +/* larb7-DVS */ +#define M4U_PORT_DVS_RDMA MTK_M4U_ID(M4U_LARB7_ID, 0) +#define M4U_PORT_DVS_WDMA MTK_M4U_ID(M4U_LARB7_ID, 1) +#define M4U_PORT_DVP_RDMA MTK_M4U_ID(M4U_LARB7_ID, 2) +#define M4U_PORT_DVP_WDMA MTK_M4U_ID(M4U_LARB7_ID, 3) + +/* larb8-IPESYS */ +#define M4U_PORT_FDVT_RDA MTK_M4U_ID(M4U_LARB8_ID, 0) +#define M4U_PORT_FDVT_RDB MTK_M4U_ID(M4U_LARB8_ID, 1) +#define M4U_PORT_FDVT_WRA MTK_M4U_ID(M4U_LARB8_ID, 2) +#define M4U_PORT_FDVT_WRB MTK_M4U_ID(M4U_LARB8_ID, 3) +#define M4U_PORT_FE_RD0 MTK_M4U_ID(M4U_LARB8_ID, 4) +#define M4U_PORT_FE_RD1 MTK_M4U_ID(M4U_LARB8_ID, 5) +#define M4U_PORT_FE_WR0 MTK_M4U_ID(M4U_LARB8_ID, 6) +#define M4U_PORT_FE_WR1 MTK_M4U_ID(M4U_LARB8_ID, 7) +#define M4U_PORT_RSC_RDMA0 MTK_M4U_ID(M4U_LARB8_ID, 8) +#define M4U_PORT_RSC_WDMA MTK_M4U_ID(M4U_LARB8_ID, 9) + +/* larb9-CAM */ +#define M4U_PORT_CAM_IMGO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 0) +#define M4U_PORT_CAM_RRZO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 1) +#define M4U_PORT_CAM_LSCI_R1_C MTK_M4U_ID(M4U_LARB9_ID, 2) +#define M4U_PORT_CAM_BPCI_R1_C MTK_M4U_ID(M4U_LARB9_ID, 3) +#define M4U_PORT_CAM_YUVO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 4) +#define M4U_PORT_CAM_UFDI_R2_C MTK_M4U_ID(M4U_LARB9_ID, 5) +#define M4U_PORT_CAM_RAWI_R2_C MTK_M4U_ID(M4U_LARB9_ID, 6) +#define M4U_PORT_CAM_RAWI_R5_C MTK_M4U_ID(M4U_LARB9_ID, 7) +#define M4U_PORT_CAM_CAMSV_1 MTK_M4U_ID(M4U_LARB9_ID, 8) +#define M4U_PORT_CAM_CAMSV_2 MTK_M4U_ID(M4U_LARB9_ID, 9) +#define M4U_PORT_CAM_CAMSV_3 MTK_M4U_ID(M4U_LARB9_ID, 10) +#define M4U_PORT_CAM_CAMSV_4 MTK_M4U_ID(M4U_LARB9_ID, 11) +#define M4U_PORT_CAM_CAMSV_5 MTK_M4U_ID(M4U_LARB9_ID, 12) +#define M4U_PORT_CAM_CAMSV_6 MTK_M4U_ID(M4U_LARB9_ID, 13) +#define M4U_PORT_CAM_AAO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 14) +#define M4U_PORT_CAM_AFO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 15) +#define M4U_PORT_CAM_FLKO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 16) +#define M4U_PORT_CAM_LCESO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 17) +#define M4U_PORT_CAM_CRZO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 18) +#define M4U_PORT_CAM_LTMSO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 19) +#define M4U_PORT_CAM_RSSO_R1_C MTK_M4U_ID(M4U_LARB9_ID, 20) +#define M4U_PORT_CAM_CCUI MTK_M4U_ID(M4U_LARB9_ID, 21) +#define M4U_PORT_CAM_CCUO MTK_M4U_ID(M4U_LARB9_ID, 22) +#define M4U_PORT_CAM_FAKE MTK_M4U_ID(M4U_LARB9_ID, 23) + +/* larb10-CAM_A */ +#define M4U_PORT_CAM_IMGO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 0) +#define M4U_PORT_CAM_RRZO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 1) +#define M4U_PORT_CAM_LSCI_R1_A MTK_M4U_ID(M4U_LARB10_ID, 2) +#define M4U_PORT_CAM_BPCI_R1_A MTK_M4U_ID(M4U_LARB10_ID, 3) +#define M4U_PORT_CAM_YUVO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 4) +#define M4U_PORT_CAM_UFDI_R2_A MTK_M4U_ID(M4U_LARB10_ID, 5) +#define M4U_PORT_CAM_RAWI_R2_A MTK_M4U_ID(M4U_LARB10_ID, 6) +#define M4U_PORT_CAM_RAWI_R5_A MTK_M4U_ID(M4U_LARB10_ID, 7) +#define M4U_PORT_CAM_IMGO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 8) +#define M4U_PORT_CAM_RRZO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 9) +#define M4U_PORT_CAM_LSCI_R1_B MTK_M4U_ID(M4U_LARB10_ID, 10) +#define M4U_PORT_CAM_BPCI_R1_B MTK_M4U_ID(M4U_LARB10_ID, 11) +#define M4U_PORT_CAM_YUVO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 12) +#define M4U_PORT_CAM_UFDI_R2_B MTK_M4U_ID(M4U_LARB10_ID, 13) +#define M4U_PORT_CAM_RAWI_R2_B MTK_M4U_ID(M4U_LARB10_ID, 14) +#define M4U_PORT_CAM_RAWI_R5_B MTK_M4U_ID(M4U_LARB10_ID, 15) +#define M4U_PORT_CAM_CAMSV_0 MTK_M4U_ID(M4U_LARB10_ID, 16) +#define M4U_PORT_CAM_AAO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 17) +#define M4U_PORT_CAM_AFO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 18) +#define M4U_PORT_CAM_FLKO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 19) +#define M4U_PORT_CAM_LCESO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 20) +#define M4U_PORT_CAM_CRZO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 21) +#define M4U_PORT_CAM_AAO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 22) +#define M4U_PORT_CAM_AFO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 23) +#define M4U_PORT_CAM_FLKO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 24) +#define M4U_PORT_CAM_LCESO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 25) +#define M4U_PORT_CAM_CRZO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 26) +#define M4U_PORT_CAM_LTMSO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 27) +#define M4U_PORT_CAM_RSSO_R1_A MTK_M4U_ID(M4U_LARB10_ID, 28) +#define M4U_PORT_CAM_LTMSO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 29) +#define M4U_PORT_CAM_RSSO_R1_B MTK_M4U_ID(M4U_LARB10_ID, 30) + +/* larb11-CAM-VPU */ +#define M4U_PORT_CAM_IPUO MTK_M4U_ID(M4U_LARB11_ID, 0) +#define M4U_PORT_CAM_IPU2O MTK_M4U_ID(M4U_LARB11_ID, 1) +#define M4U_PORT_CAM_IPU3O MTK_M4U_ID(M4U_LARB11_ID, 2) +#define M4U_PORT_CAM_IPUI MTK_M4U_ID(M4U_LARB11_ID, 3) +#define M4U_PORT_CAM_IPU2I MTK_M4U_ID(M4U_LARB11_ID, 4) + +#endif diff --git a/include/linux/dmar.h b/include/linux/dmar.h index d7bf029df737..65565820328a 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -48,6 +48,7 @@ struct dmar_drhd_unit { u16 segment; /* PCI domain */ u8 ignored:1; /* ignore drhd */ u8 include_all:1; + u8 gfx_dedicated:1; /* graphic dedicated */ struct intel_iommu *iommu; }; diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 3e8fa1c7a1e6..b1ed2f25f7c0 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -381,8 +381,7 @@ enum { #define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK) #define QI_DEV_EIOTLB_SIZE (((u64)1) << 11) -#define QI_DEV_EIOTLB_GLOB(g) ((u64)g) -#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32) +#define QI_DEV_EIOTLB_PASID(p) ((u64)((p) & 0xfffff) << 32) #define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16) #define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4) #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \ @@ -600,6 +599,8 @@ struct intel_iommu { struct iommu_device iommu; /* IOMMU core code handle */ int node; u32 flags; /* Software defined flags */ + + struct dmar_drhd_unit *drhd; }; /* PCI domain-device relationship */ @@ -705,7 +706,7 @@ void qi_flush_piotlb(struct intel_iommu *iommu, u16 did, u32 pasid, u64 addr, void qi_flush_dev_iotlb_pasid(struct intel_iommu *iommu, u16 sid, u16 pfsid, u32 pasid, u16 qdep, u64 addr, - unsigned int size_order, u64 granu); + unsigned int size_order); void qi_flush_pasid_cache(struct intel_iommu *iommu, u16 did, u64 granu, int pasid); @@ -728,6 +729,7 @@ void iommu_flush_write_buffer(struct intel_iommu *iommu); int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev); struct dmar_domain *find_domain(struct device *dev); struct device_domain_info *get_domain_info(struct device *dev); +struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); #ifdef CONFIG_INTEL_IOMMU_SVM extern void intel_svm_check(struct intel_iommu *iommu); @@ -740,6 +742,9 @@ struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata); void intel_svm_unbind(struct iommu_sva *handle); int intel_svm_get_pasid(struct iommu_sva *handle); +int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt, + struct iommu_page_response *msg); + struct svm_dev_ops; struct intel_svm_dev { @@ -766,8 +771,6 @@ struct intel_svm { struct list_head devs; struct list_head list; }; - -extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev); #else static inline void intel_svm_check(struct intel_iommu *iommu) {} #endif diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 53d53c6c2be9..23285ba645db 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -155,7 +155,7 @@ struct io_pgtable_cfg { */ struct io_pgtable_ops { int (*map)(struct io_pgtable_ops *ops, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); + phys_addr_t paddr, size_t size, int prot, gfp_t gfp); size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, size_t size, struct iommu_iotlb_gather *gather); phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 5f0b7859d2eb..fee209efb756 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -31,12 +31,6 @@ * if the IOMMU page table format is equivalent. */ #define IOMMU_PRIV (1 << 5) -/* - * Non-coherent masters can use this page protection flag to set cacheable - * memory attributes for only a transparent outer level of cache, also known as - * the last-level or system cache. - */ -#define IOMMU_SYS_CACHE_ONLY (1 << 6) struct iommu_ops; struct iommu_group; @@ -457,22 +451,6 @@ extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t io extern void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler, void *token); -/** - * iommu_map_sgtable - Map the given buffer to the IOMMU domain - * @domain: The IOMMU domain to perform the mapping - * @iova: The start address to map the buffer - * @sgt: The sg_table object describing the buffer - * @prot: IOMMU protection bits - * - * Creates a mapping at @iova for the buffer described by a scatterlist - * stored in the given sg_table object in the provided IOMMU domain. - */ -static inline size_t iommu_map_sgtable(struct iommu_domain *domain, - unsigned long iova, struct sg_table *sgt, int prot) -{ - return iommu_map_sg(domain, iova, sgt->sgl, sgt->orig_nents, prot); -} - extern void iommu_get_resv_regions(struct device *dev, struct list_head *list); extern void iommu_put_resv_regions(struct device *dev, struct list_head *list); extern void generic_iommu_put_resv_regions(struct device *dev, @@ -1079,6 +1057,22 @@ static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev) } #endif /* CONFIG_IOMMU_API */ +/** + * iommu_map_sgtable - Map the given buffer to the IOMMU domain + * @domain: The IOMMU domain to perform the mapping + * @iova: The start address to map the buffer + * @sgt: The sg_table object describing the buffer + * @prot: IOMMU protection bits + * + * Creates a mapping at @iova for the buffer described by a scatterlist + * stored in the given sg_table object in the provided IOMMU domain. + */ +static inline size_t iommu_map_sgtable(struct iommu_domain *domain, + unsigned long iova, struct sg_table *sgt, int prot) +{ + return iommu_map_sg(domain, iova, sgt->sgl, sgt->orig_nents, prot); +} + #ifdef CONFIG_IOMMU_DEBUGFS extern struct dentry *iommu_debugfs_dir; void iommu_debugfs_setup(void); diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h index e907b7091a46..c2b2caf9ed41 100644 --- a/include/uapi/linux/iommu.h +++ b/include/uapi/linux/iommu.h @@ -81,7 +81,10 @@ struct iommu_fault_unrecoverable { /** * struct iommu_fault_page_request - Page Request data * @flags: encodes whether the corresponding fields are valid and whether this - * is the last page in group (IOMMU_FAULT_PAGE_REQUEST_* values) + * is the last page in group (IOMMU_FAULT_PAGE_REQUEST_* values). + * When IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID is set, the page response + * must have the same PASID value as the page request. When it is clear, + * the page response should not have a PASID. * @pasid: Process Address Space ID * @grpid: Page Request Group Index * @perm: requested page permissions (IOMMU_FAULT_PERM_* values) @@ -92,6 +95,7 @@ struct iommu_fault_page_request { #define IOMMU_FAULT_PAGE_REQUEST_PASID_VALID (1 << 0) #define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1) #define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2) +#define IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID (1 << 3) __u32 flags; __u32 pasid; __u32 grpid; |