Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 302 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
new file mode 100644
index 000000000..880ac113a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -0,0 +1,302 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Monk.liu@amd.com
+ */
+#ifndef AMDGPU_VIRT_H
+#define AMDGPU_VIRT_H
+
+#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS  (1 << 0) /* vBIOS is sr-iov ready */
+#define AMDGPU_SRIOV_CAPS_ENABLE_IOV   (1 << 1) /* sr-iov is enabled on this GPU */
+#define AMDGPU_SRIOV_CAPS_IS_VF        (1 << 2) /* this GPU is a virtual function */
+#define AMDGPU_PASSTHROUGH_MODE        (1 << 3) /* thw whole GPU is pass through for VM */
+#define AMDGPU_SRIOV_CAPS_RUNTIME      (1 << 4) /* is out of full access mode */
+
+struct amdgpu_mm_table {
+	struct amdgpu_bo	*bo;
+	uint32_t		*cpu_addr;
+	uint64_t		gpu_addr;
+};
+
+#define AMDGPU_VF_ERROR_ENTRY_SIZE    16
+
+/* struct error_entry - amdgpu VF error information. */
+struct amdgpu_vf_error_buffer {
+	struct mutex lock;
+	int read_count;
+	int write_count;
+	uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
+	uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
+	uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
+};
+
+/**
+ * struct amdgpu_virt_ops - amdgpu device virt operations
+ */
+struct amdgpu_virt_ops {
+	int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
+	int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
+	int (*reset_gpu)(struct amdgpu_device *adev);
+	int (*wait_reset)(struct amdgpu_device *adev);
+	void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
+};
+
+/*
+ * Firmware Reserve Frame buffer
+ */
+struct amdgpu_virt_fw_reserve {
+	struct amdgim_pf2vf_info_header *p_pf2vf;
+	struct amdgim_vf2pf_info_header *p_vf2pf;
+	unsigned int checksum_key;
+};
+/*
+ * Defination between PF and VF
+ * Structures forcibly aligned to 4 to keep the same style as PF.
+ */
+#define AMDGIM_DATAEXCHANGE_OFFSET		(64 * 1024)
+
+#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
+		(total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
+
+enum AMDGIM_FEATURE_FLAG {
+	/* GIM supports feature of Error log collecting */
+	AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
+	/* GIM supports feature of loading uCodes */
+	AMDGIM_FEATURE_GIM_LOAD_UCODES   = 0x2,
+	/* VRAM LOST by GIM */
+	AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
+};
+
+struct amdgim_pf2vf_info_header {
+	/* the total structure size in byte. */
+	uint32_t size;
+	/* version of this structure, written by the GIM */
+	uint32_t version;
+} __aligned(4);
+struct  amdgim_pf2vf_info_v1 {
+	/* header contains size and version */
+	struct amdgim_pf2vf_info_header header;
+	/* max_width * max_height */
+	unsigned int uvd_enc_max_pixels_count;
+	/* 16x16 pixels/sec, codec independent */
+	unsigned int uvd_enc_max_bandwidth;
+	/* max_width * max_height */
+	unsigned int vce_enc_max_pixels_count;
+	/* 16x16 pixels/sec, codec independent */
+	unsigned int vce_enc_max_bandwidth;
+	/* MEC FW position in kb from the start of visible frame buffer */
+	unsigned int mecfw_kboffset;
+	/* The features flags of the GIM driver supports. */
+	unsigned int feature_flags;
+	/* use private key from mailbox 2 to create chueksum */
+	unsigned int checksum;
+} __aligned(4);
+
+struct  amdgim_pf2vf_info_v2 {
+	/* header contains size and version */
+	struct amdgim_pf2vf_info_header header;
+	/* use private key from mailbox 2 to create chueksum */
+	uint32_t checksum;
+	/* The features flags of the GIM driver supports. */
+	uint32_t feature_flags;
+	/* max_width * max_height */
+	uint32_t uvd_enc_max_pixels_count;
+	/* 16x16 pixels/sec, codec independent */
+	uint32_t uvd_enc_max_bandwidth;
+	/* max_width * max_height */
+	uint32_t vce_enc_max_pixels_count;
+	/* 16x16 pixels/sec, codec independent */
+	uint32_t vce_enc_max_bandwidth;
+	/* MEC FW position in kb from the start of VF visible frame buffer */
+	uint64_t mecfw_kboffset;
+	/* MEC FW size in KB */
+	uint32_t mecfw_ksize;
+	/* UVD FW position in kb from the start of VF visible frame buffer */
+	uint64_t uvdfw_kboffset;
+	/* UVD FW size in KB */
+	uint32_t uvdfw_ksize;
+	/* VCE FW position in kb from the start of VF visible frame buffer */
+	uint64_t vcefw_kboffset;
+	/* VCE FW size in KB */
+	uint32_t vcefw_ksize;
+	uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amdgim_pf2vf_info_header)/sizeof(uint32_t)), 3)];
+} __aligned(4);
+
+
+struct amdgim_vf2pf_info_header {
+	/* the total structure size in byte. */
+	uint32_t size;
+	/*version of this structure, written by the guest */
+	uint32_t version;
+} __aligned(4);
+
+struct amdgim_vf2pf_info_v1 {
+	/* header contains size and version */
+	struct amdgim_vf2pf_info_header header;
+	/* driver version */
+	char driver_version[64];
+	/* driver certification, 1=WHQL, 0=None */
+	unsigned int driver_cert;
+	/* guest OS type and version: need a define */
+	unsigned int os_info;
+	/* in the unit of 1M */
+	unsigned int fb_usage;
+	/* guest gfx engine usage percentage */
+	unsigned int gfx_usage;
+	/* guest gfx engine health percentage */
+	unsigned int gfx_health;
+	/* guest compute engine usage percentage */
+	unsigned int compute_usage;
+	/* guest compute engine health percentage */
+	unsigned int compute_health;
+	/* guest vce engine usage percentage. 0xffff means N/A. */
+	unsigned int vce_enc_usage;
+	/* guest vce engine health percentage. 0xffff means N/A. */
+	unsigned int vce_enc_health;
+	/* guest uvd engine usage percentage. 0xffff means N/A. */
+	unsigned int uvd_enc_usage;
+	/* guest uvd engine usage percentage. 0xffff means N/A. */
+	unsigned int uvd_enc_health;
+	unsigned int checksum;
+} __aligned(4);
+
+struct amdgim_vf2pf_info_v2 {
+	/* header contains size and version */
+	struct amdgim_vf2pf_info_header header;
+	uint32_t checksum;
+	/* driver version */
+	uint8_t driver_version[64];
+	/* driver certification, 1=WHQL, 0=None */
+	uint32_t driver_cert;
+	/* guest OS type and version: need a define */
+	uint32_t os_info;
+	/* in the unit of 1M */
+	uint32_t fb_usage;
+	/* guest gfx engine usage percentage */
+	uint32_t gfx_usage;
+	/* guest gfx engine health percentage */
+	uint32_t gfx_health;
+	/* guest compute engine usage percentage */
+	uint32_t compute_usage;
+	/* guest compute engine health percentage */
+	uint32_t compute_health;
+	/* guest vce engine usage percentage. 0xffff means N/A. */
+	uint32_t vce_enc_usage;
+	/* guest vce engine health percentage. 0xffff means N/A. */
+	uint32_t vce_enc_health;
+	/* guest uvd engine usage percentage. 0xffff means N/A. */
+	uint32_t uvd_enc_usage;
+	/* guest uvd engine usage percentage. 0xffff means N/A. */
+	uint32_t uvd_enc_health;
+	uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amdgim_vf2pf_info_header)/sizeof(uint32_t)), 0)];
+} __aligned(4);
+
+#define AMDGPU_FW_VRAM_VF2PF_VER 2
+typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
+
+#define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
+	do { \
+		((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field = (val); \
+	} while (0)
+
+#define AMDGPU_FW_VRAM_VF2PF_READ(adev, field, val) \
+	do { \
+		(*val) = ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field; \
+	} while (0)
+
+#define AMDGPU_FW_VRAM_PF2VF_READ(adev, field, val) \
+	do { \
+		if (!adev->virt.fw_reserve.p_pf2vf) \
+			*(val) = 0; \
+		else { \
+			if (adev->virt.fw_reserve.p_pf2vf->version == 1) \
+				*(val) = ((struct amdgim_pf2vf_info_v1 *)adev->virt.fw_reserve.p_pf2vf)->field; \
+			if (adev->virt.fw_reserve.p_pf2vf->version == 2) \
+				*(val) = ((struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf)->field; \
+		} \
+	} while (0)
+
+/* GPU virtualization */
+struct amdgpu_virt {
+	uint32_t			caps;
+	struct amdgpu_bo		*csa_obj;
+	uint64_t			csa_vmid0_addr;
+	bool chained_ib_support;
+	uint32_t			reg_val_offs;
+	struct amdgpu_irq_src		ack_irq;
+	struct amdgpu_irq_src		rcv_irq;
+	struct work_struct		flr_work;
+	struct amdgpu_mm_table		mm_table;
+	const struct amdgpu_virt_ops	*ops;
+	struct amdgpu_vf_error_buffer   vf_errors;
+	struct amdgpu_virt_fw_reserve	fw_reserve;
+	uint32_t gim_feature;
+};
+
+#define AMDGPU_CSA_SIZE		(8 * 1024)
+
+#define amdgpu_sriov_enabled(adev) \
+((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
+
+#define amdgpu_sriov_vf(adev) \
+((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
+
+#define amdgpu_sriov_bios(adev) \
+((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
+
+#define amdgpu_sriov_runtime(adev) \
+((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
+
+#define amdgpu_passthrough(adev) \
+((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
+
+static inline bool is_virtual_machine(void)
+{
+#ifdef CONFIG_X86
+	return boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#else
+	return false;
+#endif
+}
+
+struct amdgpu_vm;
+
+uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev);
+bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
+int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
+int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			  struct amdgpu_bo_va **bo_va);
+void amdgpu_free_static_csa(struct amdgpu_device *adev);
+void amdgpu_virt_init_setting(struct amdgpu_device *adev);
+uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
+void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
+int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
+int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
+int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
+int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
+int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
+void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
+int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
+					unsigned int key,
+					unsigned int chksum);
+void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
+
+#endif