[PATCH] SWDEV-220451 - Query guest's information by VF2PF message - Guest side - part 1
Liu, Monk
Monk.Liu at amd.com
Thu Aug 27 08:22:15 UTC 2020
[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Monk Liu <monk.liu at amd.com>
_____________________________________
Monk Liu|GPU Virtualization Team |AMD
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Bokun Zhang
Sent: Wednesday, August 5, 2020 11:32 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Bokun <Bokun.Zhang at amd.com>
Subject: [PATCH] SWDEV-220451 - Query guest's information by VF2PF message - Guest side - part 1
- Add guest side change to support VF2PF message
- Fix coding style
Change-Id: I82e5518cb10ec0b19fecaba7e05b02f4b7f2b409
Signed-off-by: Bokun Zhang <Bokun.Zhang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 29 +-
drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 276 ++++++++++++++++++++
2 files changed, 285 insertions(+), 20 deletions(-) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index b0b2bdc750df..ad2b2628ab67 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -24,6 +24,8 @@
#ifndef AMDGPU_VIRT_H
#define AMDGPU_VIRT_H
+#include "amdgv_sriovmsg.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 */
@@ -69,7 +71,10 @@ struct amdgpu_virt_fw_reserve {
struct amd_sriov_msg_vf2pf_info_header *p_vf2pf;
unsigned int checksum_key;
};
+
/*
+ * Legacy GIM header
+ *
* Defination between PF and VF
* Structures forcibly aligned to 4 to keep the same style as PF.
*/
@@ -89,15 +94,7 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_HW_PERF_SIMULATION = (1 << 3), };
-struct amd_sriov_msg_pf2vf_info_header {
-/* the total structure size in byte. */
-uint32_t size;
-/* version of this structure, written by the GIM */
-uint32_t version;
-/* reserved */
-uint32_t reserved[2];
-} __aligned(4);
-struct amdgim_pf2vf_info_v1 {
+struct amdgim_pf2vf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header;
/* max_width * max_height */
@@ -116,6 +113,7 @@ struct amdgim_pf2vf_info_v1 {
unsigned int checksum;
} __aligned(4);
+/* TODO: below struct is duplicated to amd_sriov_msg_pf2vf_info */
struct amdgim_pf2vf_info_v2 {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header; @@ -146,16 +144,6 @@ struct amdgim_pf2vf_info_v2 {
uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amd_sriov_msg_pf2vf_info_header)/sizeof(uint32_t)), 3)]; } __aligned(4);
-
-struct amd_sriov_msg_vf2pf_info_header {
-/* the total structure size in byte. */
-uint32_t size;
-/*version of this structure, written by the guest */
-uint32_t version;
-/* reserved */
-uint32_t reserved[2];
-} __aligned(4);
-
struct amdgim_vf2pf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header; @@ -217,8 +205,9 @@ struct amdgim_vf2pf_info_v2 {
uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amd_sriov_msg_vf2pf_info_header)/sizeof(uint32_t)), 0)]; } __aligned(4);
+/* TODO: below macro and typedef will cause compile error, need to
+remove */
#define AMDGPU_FW_VRAM_VF2PF_VER 2
-typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
+typedef struct amd_sriov_msg_vf2pf_info amdgim_vf2pf_info;
#define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
do { \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
new file mode 100644
index 000000000000..5355827ed0ae
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
@@ -0,0 +1,276 @@
+/*
+ * Copyright 2018-2019 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.
+ *
+ */
+
+#ifndef AMDGV_SRIOV_MSG__H_
+#define AMDGV_SRIOV_MSG__H_
+
+/* unit in kilobytes */
+#define AMD_SRIOV_MSG_VBIOS_OFFSET 0
+#define AMD_SRIOV_MSG_VBIOS_SIZE_KB 64
+#define AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB AMD_SRIOV_MSG_VBIOS_SIZE_KB
+#define AMD_SRIOV_MSG_DATAEXCHANGE_SIZE_KB 4
+
+/*
+ * layout
+ * 0 64KB 65KB 66KB
+ * | VBIOS | PF2VF | VF2PF | Bad Page | ...
+ * | 64KB | 1KB | 1KB |
+ */
+#define AMD_SRIOV_MSG_SIZE_KB 1
+#define AMD_SRIOV_MSG_PF2VF_OFFSET_KB AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB
+#define AMD_SRIOV_MSG_VF2PF_OFFSET_KB (AMD_SRIOV_MSG_PF2VF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB)
+#define AMD_SRIOV_MSG_BAD_PAGE_OFFSET_KB (AMD_SRIOV_MSG_VF2PF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB)
+
+/*
+ * PF2VF history log:
+ * v1 defined in amdgim
+ * v2 current
+ *
+ * VF2PF history log:
+ * v1 defined in amdgim
+ * v2 defined in amdgim
+ * v3 current
+ */
+#define AMD_SRIOV_MSG_FW_VRAM_PF2VF_VER2
+#define AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER3
+
+#define AMD_SRIOV_MSG_RESERVE_UCODE24
+
+enum amd_sriov_ucode_engine_id {
+AMD_SRIOV_UCODE_ID_VCE = 0,
+AMD_SRIOV_UCODE_ID_UVD,
+AMD_SRIOV_UCODE_ID_MC,
+AMD_SRIOV_UCODE_ID_ME,
+AMD_SRIOV_UCODE_ID_PFP,
+AMD_SRIOV_UCODE_ID_CE,
+AMD_SRIOV_UCODE_ID_RLC,
+AMD_SRIOV_UCODE_ID_RLC_SRLC,
+AMD_SRIOV_UCODE_ID_RLC_SRLG,
+AMD_SRIOV_UCODE_ID_RLC_SRLS,
+AMD_SRIOV_UCODE_ID_MEC,
+AMD_SRIOV_UCODE_ID_MEC2,
+AMD_SRIOV_UCODE_ID_SOS,
+AMD_SRIOV_UCODE_ID_ASD,
+AMD_SRIOV_UCODE_ID_TA_RAS,
+AMD_SRIOV_UCODE_ID_TA_XGMI,
+AMD_SRIOV_UCODE_ID_SMC,
+AMD_SRIOV_UCODE_ID_SDMA,
+AMD_SRIOV_UCODE_ID_SDMA2,
+AMD_SRIOV_UCODE_ID_VCN,
+AMD_SRIOV_UCODE_ID_DMCU,
+AMD_SRIOV_UCODE_ID__MAX
+};
+
+#pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed
+
+union amd_sriov_msg_feature_flags {
+struct {
+uint32_t error_log_collect : 1;
+uint32_t host_load_ucodes : 1;
+uint32_t host_flr_vramlost : 1;
+uint32_t mm_bw_management : 1;
+uint32_t pp_one_vf_mode : 1;
+uint32_t reserved : 27;
+} flags;
+uint32_t all;
+};
+
+union amd_sriov_msg_os_info {
+struct {
+uint32_t windows : 1;
+uint32_t reserved : 31;
+} info;
+uint32_t all;
+};
+
+struct amd_sriov_msg_pf2vf_info_header {
+/* the total structure size in byte */
+uint32_t size;
+/* version of this structure, written by the HOST */
+uint32_t version;
+/* reserved */
+uint32_t reserved[2];
+};
+
+struct amd_sriov_msg_pf2vf_info {
+/* header contains size and version */
+struct amd_sriov_msg_pf2vf_info_header header;
+/* use private key from mailbox 2 to create checksum */
+uint32_t checksum;
+/* The features flags of the HOST driver supports */
+union amd_sriov_msg_feature_flags feature_flags;
+/* (max_width * max_height * fps) / (16 * 16) */
+uint32_t hevc_enc_max_mb_per_second;
+/* (max_width * max_height) / (16 * 16) */
+uint32_t hevc_enc_max_mb_per_frame;
+/* (max_width * max_height * fps) / (16 * 16) */
+uint32_t avc_enc_max_mb_per_second;
+/* (max_width * max_height) / (16 * 16) */
+uint32_t avc_enc_max_mb_per_frame;
+/* MEC FW position in BYTE from the start of VF visible frame buffer */
+uint64_t mecfw_offset;
+/* MEC FW size in BYTE */
+uint32_t mecfw_size;
+/* UVD FW position in BYTE from the start of VF visible frame buffer */
+uint64_t uvdfw_offset;
+/* UVD FW size in BYTE */
+uint32_t uvdfw_size;
+/* VCE FW position in BYTE from the start of VF visible frame buffer */
+uint64_t vcefw_offset;
+/* VCE FW size in BYTE */
+uint32_t vcefw_size;
+/* Bad pages block position in BYTE */
+uint32_t bp_block_offset_low;
+uint32_t bp_block_offset_high;
+/* Bad pages block size in BYTE */
+uint32_t bp_block_size;
+/* frequency for VF to update the VF2PF area in msec, 0 = manual */
+uint32_t vf2pf_update_interval_ms;
+/* identification in ROCm SMI */
+uint64_t uuid;
+uint32_t fcn_idx;
+/* reserved */
+uint32_t reserved[256-26];
+};
+
+struct amd_sriov_msg_vf2pf_info_header {
+/* the total structure size in byte */
+uint32_t size;
+/* version of this structure, written by the guest */
+uint32_t version;
+/* reserved */
+uint32_t reserved[2];
+};
+
+struct amd_sriov_msg_vf2pf_info {
+/* header contains size and version */
+struct amd_sriov_msg_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 */
+union amd_sriov_msg_os_info os_info;
+/* guest fb information in the unit of MB */
+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 avc engine usage percentage. 0xffff means N/A */
+uint32_t avc_enc_usage;
+/* guest avc engine health percentage. 0xffff means N/A */
+uint32_t avc_enc_health;
+/* guest hevc engine usage percentage. 0xffff means N/A */
+uint32_t hevc_enc_usage;
+/* guest hevc engine usage percentage. 0xffff means N/A */
+uint32_t hevc_enc_health;
+/* combined encode/decode usage */
+uint32_t encode_usage;
+uint32_t decode_usage;
+/* Version of PF2VF that VF understands */
+uint32_t pf2vf_version_required;
+/* additional FB usage */
+uint32_t fb_vis_usage;
+uint32_t fb_vis_size;
+uint32_t fb_size;
+/* guest ucode data, each one is 1.25 Dword */
+struct {
+uint8_t id;
+uint32_t version;
+} ucode_info[AMD_SRIOV_MSG_RESERVE_UCODE];
+
+/* reserved */
+uint32_t reserved[256-68];
+};
+
+/* mailbox message send from guest to host */ enum
+amd_sriov_mailbox_request_message {
+MB_REQ_MSG_REQ_GPU_INIT_ACCESS = 1,
+MB_REQ_MSG_REL_GPU_INIT_ACCESS,
+MB_REQ_MSG_REQ_GPU_FINI_ACCESS,
+MB_REQ_MSG_REL_GPU_FINI_ACCESS,
+MB_REQ_MSG_REQ_GPU_RESET_ACCESS,
+MB_REQ_MSG_REQ_GPU_INIT_DATA,
+
+MB_REQ_MSG_LOG_VF_ERROR = 200,
+};
+
+/* mailbox message send from host to guest */ enum
+amd_sriov_mailbox_response_message {
+MB_RES_MSG_CLR_MSG_BUF = 0,
+MB_RES_MSG_READY_TO_ACCESS_GPU = 1,
+MB_RES_MSG_FLR_NOTIFICATION,
+MB_RES_MSG_FLR_NOTIFICATION_COMPLETION,
+MB_RES_MSG_SUCCESS,
+MB_RES_MSG_FAIL,
+MB_RES_MSG_QUERY_ALIVE,
+MB_RES_MSG_GPU_INIT_DATA_READY,
+
+MB_RES_MSG_TEXT_MESSAGE = 255
+};
+
+/* version data stored in MAILBOX_MSGBUF_RCV_DW1 for future expansion
+*/ enum amd_sriov_gpu_init_data_version {
+GPU_INIT_DATA_READY_V1 = 1,
+};
+
+#pragma pack(pop)// Restore previous packing option
+
+/* checksum function between host and guest */ unsigned int
+amd_sriov_msg_checksum(void *obj,
+unsigned long obj_size,
+unsigned int key,
+unsigned int checksum);
+
+/* assertion at compile time */
+#ifdef __linux__
+#define stringification(s) _stringification(s) #define
+_stringification(s) #s
+
+_Static_assert(
+sizeof(struct amd_sriov_msg_vf2pf_info) == AMD_SRIOV_MSG_SIZE_KB << 10,
+"amd_sriov_msg_vf2pf_info must be "
+stringification(AMD_SRIOV_MSG_SIZE_KB) " KB");
+
+_Static_assert(
+sizeof(struct amd_sriov_msg_pf2vf_info) == AMD_SRIOV_MSG_SIZE_KB << 10,
+"amd_sriov_msg_pf2vf_info must be "
+stringification(AMD_SRIOV_MSG_SIZE_KB) " KB");
+
+_Static_assert(
+AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0,
+"AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4");
+
+_Static_assert(
+AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX,
+"AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than
+AMD_SRIOV_UCODE_ID__MAX");
+
+#undef _stringification
+#undef stringification
+#endif
+
+#endif /* AMDGV_SRIOV_MSG__H_ */
--
2.20.1
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