drm/amdgpu/psp: add structure for xgmi ta and its shared buffer

#define PSP_FENCE_BUFFER_SIZE	0x1000

#define PSP_CMD_BUFFER_SIZE	0x1000

#define PSP_ASD_SHARED_MEM_SIZE 0x4000

#define PSP_XGMI_SHARED_MEM_SIZE 0x4000

#define PSP_1_MEG		0x100000

#define PSP_TMR_SIZE	0x400000

			struct psp_xgmi_topology_info *topology);

};

struct psp_xgmi_context {

	uint8_t				initialized;

	uint32_t			session_id;

	struct amdgpu_bo                *xgmi_shared_bo;

	uint64_t                        xgmi_shared_mc_addr;

	void                            *xgmi_shared_buf;

};

struct psp_context

{

	struct amdgpu_device            *adev;

	/* fence value associated with cmd buffer */

	atomic_t			fence_value;

	/* xgmi ta firmware and buffer */

	const struct firmware		*ta_fw;

	uint32_t			ta_xgmi_ucode_version;

	uint32_t			ta_xgmi_ucode_size;

	uint8_t				*ta_xgmi_start_addr;

	struct psp_xgmi_context		xgmi_context;

};

struct amdgpu_psp_funcs {