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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/crypto/ccp/psp-dev.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'drivers/crypto/ccp/psp-dev.h')
-rw-r--r--drivers/crypto/ccp/psp-dev.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/psp-dev.h b/drivers/crypto/ccp/psp-dev.h
new file mode 100644
index 000000000..4e370e76b
--- /dev/null
+++ b/drivers/crypto/ccp/psp-dev.h
@@ -0,0 +1,137 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AMD Platform Security Processor (PSP) interface driver
+ *
+ * Copyright (C) 2017-2019 Advanced Micro Devices, Inc.
+ *
+ * Author: Brijesh Singh <brijesh.singh@amd.com>
+ */
+
+#ifndef __PSP_DEV_H__
+#define __PSP_DEV_H__
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/bits.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/psp.h>
+#include <linux/psp-platform-access.h>
+
+#include "sp-dev.h"
+
+#define MAX_PSP_NAME_LEN 16
+
+extern struct psp_device *psp_master;
+
+typedef void (*psp_irq_handler_t)(int, void *, unsigned int);
+
+union psp_cap_register {
+ unsigned int raw;
+ struct {
+ unsigned int sev :1,
+ tee :1,
+ dbc_thru_ext :1,
+ sfs :1,
+ rsvd1 :3,
+ security_reporting :1,
+ fused_part :1,
+ boot_integrity :1,
+ debug_lock_on :1,
+ rsvd3 :2,
+ tsme_status :1,
+ rsvd4 :1,
+ anti_rollback_status :1,
+ rpmc_production_enabled :1,
+ rpmc_spirom_available :1,
+ hsp_tpm_available :1,
+ rom_armor_enforced :1,
+ rsvd5 :12;
+ };
+};
+
+struct psp_device {
+ struct list_head entry;
+
+ struct psp_vdata *vdata;
+ char name[MAX_PSP_NAME_LEN];
+
+ struct device *dev;
+ struct sp_device *sp;
+
+ void __iomem *io_regs;
+ struct mutex mailbox_mutex;
+
+ psp_irq_handler_t sev_irq_handler;
+ void *sev_irq_data;
+
+ void *sev_data;
+ void *tee_data;
+ void *platform_access_data;
+ void *dbc_data;
+ void *sfs_data;
+
+ union psp_cap_register capability;
+};
+
+void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
+ void *data);
+void psp_clear_sev_irq_handler(struct psp_device *psp);
+
+struct psp_device *psp_get_master_device(void);
+
+/**
+ * enum psp_cmd - PSP mailbox commands
+ * @PSP_CMD_TEE_RING_INIT: Initialize TEE ring buffer
+ * @PSP_CMD_TEE_RING_DESTROY: Destroy TEE ring buffer
+ * @PSP_CMD_TEE_EXTENDED_CMD: Extended command
+ * @PSP_CMD_MAX: Maximum command id
+ */
+enum psp_cmd {
+ PSP_CMD_TEE_RING_INIT = 1,
+ PSP_CMD_TEE_RING_DESTROY = 2,
+ PSP_CMD_TEE_EXTENDED_CMD = 14,
+ PSP_CMD_MAX = 15,
+};
+
+int psp_mailbox_command(struct psp_device *psp, enum psp_cmd cmd, void *cmdbuff,
+ unsigned int timeout_msecs, unsigned int *cmdresp);
+
+/**
+ * struct psp_ext_req_buffer_hdr - Structure of the extended command header
+ * @payload_size: total payload size
+ * @sub_cmd_id: extended command ID
+ * @status: status of command execution (out)
+ */
+struct psp_ext_req_buffer_hdr {
+ u32 payload_size;
+ u32 sub_cmd_id;
+ u32 status;
+} __packed;
+
+struct psp_ext_request {
+ struct psp_ext_req_buffer_hdr header;
+ void *buf;
+} __packed;
+
+/**
+ * enum psp_sub_cmd - PSP mailbox sub commands
+ * @PSP_SUB_CMD_DBC_GET_NONCE: Get nonce from DBC
+ * @PSP_SUB_CMD_DBC_SET_UID: Set UID for DBC
+ * @PSP_SUB_CMD_DBC_GET_PARAMETER: Get parameter from DBC
+ * @PSP_SUB_CMD_DBC_SET_PARAMETER: Set parameter for DBC
+ * @PSP_SUB_CMD_SFS_GET_FW_VERS: Get firmware versions for ASP and other MP
+ * @PSP_SUB_CMD_SFS_UPDATE: Command to load, verify and execute SFS package
+ */
+enum psp_sub_cmd {
+ PSP_SUB_CMD_DBC_GET_NONCE = PSP_DYNAMIC_BOOST_GET_NONCE,
+ PSP_SUB_CMD_DBC_SET_UID = PSP_DYNAMIC_BOOST_SET_UID,
+ PSP_SUB_CMD_DBC_GET_PARAMETER = PSP_DYNAMIC_BOOST_GET_PARAMETER,
+ PSP_SUB_CMD_DBC_SET_PARAMETER = PSP_DYNAMIC_BOOST_SET_PARAMETER,
+ PSP_SUB_CMD_SFS_GET_FW_VERS = PSP_SFS_GET_FW_VERSIONS,
+ PSP_SUB_CMD_SFS_UPDATE = PSP_SFS_UPDATE,
+};
+
+int psp_extended_mailbox_cmd(struct psp_device *psp, unsigned int timeout_msecs,
+ struct psp_ext_request *req);
+#endif /* __PSP_DEV_H */