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misc: mods: Add ioctl to pass messages to tz app

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Summary: This change adds support in mods kernel
driver to send messages to Trusty in order to
run tests trust zone side

Signed-off-by: Ellis Roberts <ellisr@nvidia.com>
Change-Id: I5cd0a1dcc4d1ac5543df5fb3ebec4427c1145e10
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2567469
Tested-by: Rohith Talluri <sitalluri@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Stephen Wolfe <swolfe@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Ellis
2021-05-28 13:24:32 -07:00
committed by Laxman Dewangan
parent df0985a449
commit 1658071414
5 changed files with 70 additions and 0 deletions
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16
include/uapi/misc/mods.h
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@@ -1780,6 +1780,21 @@ struct MODS_IOMMU_DMA_MAP_MEMORY {
__u64 physical_address;
};
#define MAX_TZ_BUFFER_SIZE 512
/* Used by MODS_ESC_SEND_TZ_MSG.
*
* Available only on Tegra.
*/
struct MODS_TZ_PARAMS {
/* IN */
__u8 buf[MAX_TZ_BUFFER_SIZE];
__u32 buf_size;
__u32 cmd;
/* OUT */
int status;
};
#define MODS_IOMMU_MAP_CONTIGUOUS 1
#pragma pack(pop)
@@ -1979,5 +1994,6 @@ struct MODS_IOMMU_DMA_MAP_MEMORY {
#define MODS_ESC_MODS_GET_DRIVER_STATS MODSIO(R, 135, MODS_GET_DRIVER_STATS)
#define MODS_ESC_BPMP_SET_PCIE_STATE MODSIO(W, 136, MODS_SET_PCIE_STATE)
#define MODS_ESC_BPMP_INIT_PCIE_EP_PLL MODSIO(W, 137, MODS_INIT_PCIE_EP_PLL)
#define MODS_ESC_SEND_TZ_MSG MODSIO(WR, 139, MODS_TZ_PARAMS)
#endif /* _UAPI_MODS_H_ */