cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

acr.h (3708B)

      1/* SPDX-License-Identifier: MIT */
      2#ifndef __NVKM_ACR_H__
      3#define __NVKM_ACR_H__
      4#define nvkm_acr(p) container_of((p), struct nvkm_acr, subdev)
      5#include <core/subdev.h>
      6#include <core/falcon.h>
      7
      8enum nvkm_acr_lsf_id {
      9	NVKM_ACR_LSF_PMU = 0,
     10	NVKM_ACR_LSF_GSPLITE = 1,
     11	NVKM_ACR_LSF_FECS = 2,
     12	NVKM_ACR_LSF_GPCCS = 3,
     13	NVKM_ACR_LSF_NVDEC = 4,
     14	NVKM_ACR_LSF_SEC2 = 7,
     15	NVKM_ACR_LSF_MINION = 10,
     16	NVKM_ACR_LSF_NUM
     17};
     18
     19static inline const char *
     20nvkm_acr_lsf_id(enum nvkm_acr_lsf_id id)
     21{
     22	switch (id) {
     23	case NVKM_ACR_LSF_PMU    : return "pmu";
     24	case NVKM_ACR_LSF_GSPLITE: return "gsplite";
     25	case NVKM_ACR_LSF_FECS   : return "fecs";
     26	case NVKM_ACR_LSF_GPCCS  : return "gpccs";
     27	case NVKM_ACR_LSF_NVDEC  : return "nvdec";
     28	case NVKM_ACR_LSF_SEC2   : return "sec2";
     29	case NVKM_ACR_LSF_MINION : return "minion";
     30	default:
     31		return "unknown";
     32	}
     33}
     34
     35struct nvkm_acr {
     36	const struct nvkm_acr_func *func;
     37	struct nvkm_subdev subdev;
     38
     39	struct list_head hsfw, hsf;
     40	struct list_head lsfw, lsf;
     41
     42	u64 managed_falcons;
     43
     44	struct nvkm_memory *wpr;
     45	u64 wpr_start;
     46	u64 wpr_end;
     47	u64 shadow_start;
     48
     49	struct nvkm_memory *inst;
     50	struct nvkm_vmm *vmm;
     51
     52	bool done;
     53
     54	const struct firmware *wpr_fw;
     55	bool wpr_comp;
     56	u64 wpr_prev;
     57};
     58
     59bool nvkm_acr_managed_falcon(struct nvkm_device *, enum nvkm_acr_lsf_id);
     60int nvkm_acr_bootstrap_falcons(struct nvkm_device *, unsigned long mask);
     61
     62int gm200_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     63int gm20b_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     64int gp102_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     65int gp108_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     66int gp10b_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     67int tu102_acr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_acr **);
     68
     69struct nvkm_acr_lsfw {
     70	const struct nvkm_acr_lsf_func *func;
     71	struct nvkm_falcon *falcon;
     72	enum nvkm_acr_lsf_id id;
     73
     74	struct list_head head;
     75
     76	struct nvkm_blob img;
     77
     78	const struct firmware *sig;
     79
     80	u32 bootloader_size;
     81	u32 bootloader_imem_offset;
     82
     83	u32 app_size;
     84	u32 app_start_offset;
     85	u32 app_imem_entry;
     86	u32 app_resident_code_offset;
     87	u32 app_resident_code_size;
     88	u32 app_resident_data_offset;
     89	u32 app_resident_data_size;
     90
     91	u32 ucode_size;
     92	u32 data_size;
     93
     94	struct {
     95		u32 lsb;
     96		u32 img;
     97		u32 bld;
     98	} offset;
     99	u32 bl_data_size;
    100};
    101
    102struct nvkm_acr_lsf_func {
    103/* The (currently) map directly to LSB header flags. */
    104#define NVKM_ACR_LSF_LOAD_CODE_AT_0                                  0x00000001
    105#define NVKM_ACR_LSF_DMACTL_REQ_CTX                                  0x00000004
    106#define NVKM_ACR_LSF_FORCE_PRIV_LOAD                                 0x00000008
    107	u32 flags;
    108	u32 bld_size;
    109	void (*bld_write)(struct nvkm_acr *, u32 bld, struct nvkm_acr_lsfw *);
    110	void (*bld_patch)(struct nvkm_acr *, u32 bld, s64 adjust);
    111	int (*boot)(struct nvkm_falcon *);
    112	u64 bootstrap_falcons;
    113	int (*bootstrap_falcon)(struct nvkm_falcon *, enum nvkm_acr_lsf_id);
    114	int (*bootstrap_multiple_falcons)(struct nvkm_falcon *, u32 mask);
    115};
    116
    117int
    118nvkm_acr_lsfw_load_sig_image_desc(struct nvkm_subdev *, struct nvkm_falcon *,
    119				  enum nvkm_acr_lsf_id, const char *path,
    120				  int ver, const struct nvkm_acr_lsf_func *);
    121int
    122nvkm_acr_lsfw_load_sig_image_desc_v1(struct nvkm_subdev *, struct nvkm_falcon *,
    123				     enum nvkm_acr_lsf_id, const char *path,
    124				     int ver, const struct nvkm_acr_lsf_func *);
    125int
    126nvkm_acr_lsfw_load_bl_inst_data_sig(struct nvkm_subdev *, struct nvkm_falcon *,
    127				    enum nvkm_acr_lsf_id, const char *path,
    128				    int ver, const struct nvkm_acr_lsf_func *);
    129#endif