17978e90e8
Add support for VMID_NAV and shared memory region will be given access to vm-nav-path also. Change-Id: I9798e095a1f8bb7a76abcc0ec0949ff26989ad6f Signed-off-by: Sridhar Arra <sarra@codeaurora.org>
128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __QCOM_SECURE_BUFFER_H__
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#define __QCOM_SECURE_BUFFER_H__
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#include <linux/scatterlist.h>
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/*
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* if you add a secure VMID here make sure you update
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* msm_secure_vmid_to_string.
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* Make sure to keep the VMID_LAST as the last entry in the enum.
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* This is needed in ion to create a list and it's sized using VMID_LAST.
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*/
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enum vmid {
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VMID_HLOS = 0x3,
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VMID_CP_TOUCH = 0x8,
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VMID_CP_BITSTREAM = 0x9,
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VMID_CP_PIXEL = 0xA,
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VMID_CP_NON_PIXEL = 0xB,
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VMID_CP_CAMERA = 0xD,
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VMID_HLOS_FREE = 0xE,
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VMID_MSS_MSA = 0xF,
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VMID_MSS_NONMSA = 0x10,
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VMID_CP_SEC_DISPLAY = 0x11,
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VMID_CP_APP = 0x12,
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VMID_WLAN = 0x18,
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VMID_WLAN_CE = 0x19,
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VMID_CP_SPSS_SP = 0x1A,
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VMID_CP_CAMERA_PREVIEW = 0x1D,
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VMID_CP_SPSS_SP_SHARED = 0x22,
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VMID_CP_SPSS_HLOS_SHARED = 0x24,
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VMID_CP_CDSP = 0x2A,
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VMID_NAV = 0x2B,
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VMID_LAST,
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VMID_INVAL = -1
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};
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#define PERM_READ 0x4
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#define PERM_WRITE 0x2
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#define PERM_EXEC 0x1
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struct dest_vm_and_perm_info {
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u32 vm;
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u32 perm;
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u64 ctx;
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u32 ctx_size;
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};
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struct mem_prot_info {
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phys_addr_t addr;
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u64 size;
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};
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#ifdef CONFIG_QCOM_SECURE_BUFFER
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int msm_secure_table(struct sg_table *table);
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int msm_unsecure_table(struct sg_table *table);
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int hyp_assign_table(struct sg_table *table,
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u32 *source_vm_list, int source_nelems,
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int *dest_vmids, int *dest_perms,
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int dest_nelems);
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int try_hyp_assign_table(struct sg_table *table,
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u32 *source_vm_list, int source_nelems,
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int *dest_vmids, int *dest_perms,
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int dest_nelems);
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extern int hyp_assign_phys(phys_addr_t addr, u64 size,
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u32 *source_vmlist, int source_nelems,
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int *dest_vmids, int *dest_perms, int dest_nelems);
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bool msm_secure_v2_is_supported(void);
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const char *msm_secure_vmid_to_string(int secure_vmid);
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u32 msm_secure_get_vmid_perms(u32 vmid);
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#else
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static inline int msm_secure_table(struct sg_table *table)
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{
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return -EINVAL;
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}
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static inline int msm_unsecure_table(struct sg_table *table)
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{
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return -EINVAL;
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}
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static inline int hyp_assign_table(struct sg_table *table,
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u32 *source_vm_list, int source_nelems,
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int *dest_vmids, int *dest_perms,
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int dest_nelems)
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{
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return -EINVAL;
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}
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static inline int try_hyp_assign_table(struct sg_table *table,
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u32 *source_vm_list, int source_nelems,
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int *dest_vmids, int *dest_perms,
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int dest_nelems)
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{
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return -EINVAL;
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}
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static inline int hyp_assign_phys(phys_addr_t addr, u64 size,
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u32 *source_vmlist, int source_nelems,
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int *dest_vmids, int *dest_perms, int dest_nelems)
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{
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return -EINVAL;
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}
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static inline bool msm_secure_v2_is_supported(void)
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{
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return false;
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}
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static inline const char *msm_secure_vmid_to_string(int secure_vmid)
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{
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return "N/A";
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}
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static inline u32 msm_secure_get_vmid_perms(u32 vmid)
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{
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return 0;
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}
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#endif
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#endif
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