cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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outp.h (1757B)


      1/* SPDX-License-Identifier: MIT */
      2#ifndef __NVKM_DISP_OUTP_H__
      3#define __NVKM_DISP_OUTP_H__
      4#include <engine/disp.h>
      5
      6#include <subdev/bios.h>
      7#include <subdev/bios/dcb.h>
      8
      9struct nvkm_outp {
     10	const struct nvkm_outp_func *func;
     11	struct nvkm_disp *disp;
     12	int index;
     13	struct dcb_output info;
     14
     15	struct nvkm_i2c_bus *i2c;
     16
     17	struct list_head head;
     18	struct nvkm_conn *conn;
     19	bool identity;
     20
     21	/* Assembly state. */
     22#define NVKM_OUTP_PRIV 1
     23#define NVKM_OUTP_USER 2
     24	u8 acquired:2;
     25	struct nvkm_ior *ior;
     26};
     27
     28int nvkm_outp_ctor(const struct nvkm_outp_func *, struct nvkm_disp *,
     29		   int index, struct dcb_output *, struct nvkm_outp *);
     30int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *,
     31		  struct nvkm_outp **);
     32void nvkm_outp_del(struct nvkm_outp **);
     33void nvkm_outp_init(struct nvkm_outp *);
     34void nvkm_outp_fini(struct nvkm_outp *);
     35int nvkm_outp_acquire(struct nvkm_outp *, u8 user, bool hda);
     36void nvkm_outp_release(struct nvkm_outp *, u8 user);
     37void nvkm_outp_route(struct nvkm_disp *);
     38
     39struct nvkm_outp_func {
     40	void *(*dtor)(struct nvkm_outp *);
     41	void (*init)(struct nvkm_outp *);
     42	void (*fini)(struct nvkm_outp *);
     43	int (*acquire)(struct nvkm_outp *);
     44	void (*release)(struct nvkm_outp *);
     45	void (*disable)(struct nvkm_outp *, struct nvkm_ior *);
     46};
     47
     48#define OUTP_MSG(o,l,f,a...) do {                                              \
     49	struct nvkm_outp *_outp = (o);                                         \
     50	nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
     51		 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
     52} while(0)
     53#define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
     54#define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
     55#define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
     56#endif