[PATCH] SWDEV-220451 - Query guest's information by VF2PF message - part 2
Liu, Monk
Monk.Liu at amd.com
Mon Sep 7 09:30:33 UTC 2020
[AMD Official Use Only - Internal Distribution Only]
Please split the patches to 3~4 patches and each with only one purpose
Please follow the open source kernel rules when you prepare a patch: don't squash two (or more) things together
Thanks
_____________________________________
Monk Liu|GPU Virtualization Team |AMD
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Bokun Zhang
Sent: Saturday, May 2, 2020 1:48 AM
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 - part 2
- Guest side change
- Refactor and implement VF2PF information
- Share checksum function between guest and host
- Refactor code in amdgpu_virt.c since some of them are useless
Change-Id: I881989d8fb6b6af88209badf4c4070c281f65b6a
Signed-off-by: Bokun Zhang <Bokun.Zhang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 249 ++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 232 ++++++++++++-------
3 files changed, 354 insertions(+), 131 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a928fa9077c6..37f1d2669d51 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3305,8 +3305,10 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
/* make sure IB test finished before entering exclusive mode
* to avoid preemption on IB test
* */
-if (amdgpu_sriov_vf(adev))
+if (amdgpu_sriov_vf(adev)) {
amdgpu_virt_request_full_gpu(adev, false);
+amdgpu_virt_fini_data_exchange(adev);
+}
/* disable all interrupts */
amdgpu_irq_disable_all(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 8c10084f44ef..b83212b76277 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -27,6 +27,12 @@
#include "amdgpu.h"
+#define POPULATE_UCODE_INFO(vf2pf_info, ucode, ver) \
+do { \
+vf2pf_info->ucode_info[ucode].id = ucode; \
+vf2pf_info->ucode_info[ucode].version = ver; \
+} while (0)
+
bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) {
/* By now all MMIO pages except mailbox are blocked */ @@ -228,77 +234,212 @@ void amdgpu_virt_free_mm_table(struct amdgpu_device *adev)
adev->virt.mm_table.gpu_addr = 0;
}
-
-int amdgpu_virt_fw_reserve_get_checksum(void *obj,
-unsigned long obj_size,
-unsigned int key,
-unsigned int chksum)
+/*
+ * encode: obj.checksum = amd_sriov_msg_checksum(obj, size, key, 0)
+ * decode: 0 = amd_sriov_msg_checksum(obj, size, key, obj.checksum)
+ */
+unsigned int amd_sriov_msg_checksum(void *obj,
+unsigned long obj_size,
+unsigned int key,
+unsigned int checksum)
{
-unsigned int ret = key;
+unsigned int ret = 0;
unsigned long i = 0;
unsigned char *pos;
-pos = (char *)obj;
-/* calculate checksum */
+/* calculate checksum of obj*/
+pos = (unsigned char *)obj;
for (i = 0; i < obj_size; ++i)
ret += *(pos + i);
-/* minus the chksum itself */
-pos = (char *)&chksum;
-for (i = 0; i < sizeof(chksum); ++i)
+
+pos = (unsigned char *)&checksum;
+for (i = 0; i < sizeof(checksum); ++i)
ret -= *(pos + i);
+
+ret ^= key;
+
+ret -= checksum;
+
return ret;
}
-void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
+static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev) {
+struct amd_sriov_msg_pf2vf_info_header *pf2vf_info = adev->virt.fw_reserve.p_pf2vf;
+uint32_t checksum;
+
+if (adev->virt.fw_reserve.p_pf2vf == NULL)
+return -EINVAL;
+
+if (pf2vf_info->size > 1024) {
+DRM_ERROR("invalid pf2vf message size\n");
+return -EINVAL;
+}
+
+switch (pf2vf_info->version) {
+case 1:
+checksum = ((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->checksum;
+checksum = amd_sriov_msg_checksum(
+adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size,
+adev->virt.fw_reserve.checksum_key, checksum);
+if (checksum != 0) {
+DRM_ERROR("invalid pf2vf message\n");
+return -EINVAL;
+}
+
+adev->virt.vf2pf_update_interval_ms = 0;
+adev->virt.gim_feature =
+((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->feature_flags;
+break;
+case 2:
+checksum = pf2vf_info->checksum;
+checksum = amd_sriov_msg_checksum(
+adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size,
+0, checksum);
+if (checksum != 0) {
+DRM_ERROR("invalid pf2vf message\n");
+return -EINVAL;
+}
+
+adev->virt.vf2pf_update_interval_ms =
+((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->vf2pf_update_interval_ms;
+adev->virt.gim_feature =
+((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->feature_flags.all;
+break;
+default:
+DRM_ERROR("invalid pf2vf version\n");
+return -EINVAL;
+}
+
+if (adev->virt.vf2pf_update_interval_ms < 200 || adev->virt.vf2pf_update_interval_ms > 10000)
+adev->virt.vf2pf_update_interval_ms = 2000;
+
+return 0;
+}
+
+static void amdgpu_virt_populate_vf2pf_ucode_info(struct amdgpu_device
+*adev) {
+struct amd_sriov_msg_vf2pf_info *vf2pf_info;
+vf2pf_info = (struct amd_sriov_msg_vf2pf_info *)
+adev->virt.fw_reserve.p_vf2pf;
+
+if (adev->virt.fw_reserve.p_vf2pf == NULL)
+return;
+
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_VCE, adev->vce.fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_UVD, adev->uvd.fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MC, adev->gmc.fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_ME, adev->gfx.me_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_PFP, adev->gfx.pfp_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_CE, adev->gfx.ce_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC, adev->gfx.rlc_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLC, adev->gfx.rlc_srlc_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLG, adev->gfx.rlc_srlg_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLS, adev->gfx.rlc_srls_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC, adev->gfx.mec_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC2, adev->gfx.mec2_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SOS, adev->psp.sos_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_ASD, adev->psp.asd_fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_TA_RAS, adev->psp.ta_ras_ucode_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_TA_XGMI, adev->psp.ta_xgmi_ucode_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SMC, adev->pm.fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SDMA, adev->sdma.instance[0].fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SDMA2, adev->sdma.instance[1].fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_VCN, adev->vcn.fw_version);
+POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_DMCU, adev->dm.dmcu_fw_version);
+}
+
+static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev)
{
-uint32_t pf2vf_size = 0;
-uint32_t checksum = 0;
-uint32_t checkval;
-char *str;
+struct amd_sriov_msg_vf2pf_info *vf2pf_info;
+vf2pf_info = (struct amd_sriov_msg_vf2pf_info *)
+adev->virt.fw_reserve.p_vf2pf;
+
+if (adev->virt.fw_reserve.p_vf2pf == NULL)
+return -EINVAL;
+
+memset(vf2pf_info, 0, sizeof(struct amd_sriov_msg_vf2pf_info));
+
+vf2pf_info->header.size = sizeof(struct amd_sriov_msg_vf2pf_info);
+vf2pf_info->header.version = AMDGPU_FW_VRAM_VF2PF_VER;
+
+#ifdef MODULE
+if (THIS_MODULE->version != NULL)
+strcpy(vf2pf_info->driver_version, THIS_MODULE->version);
+else
+#endif
+strcpy(vf2pf_info->driver_version, "N/A");
+
+vf2pf_info->pf2vf_version_required = 0; // no requirement
+vf2pf_info->driver_cert = 0;
+vf2pf_info->os_info.all = 0;
+
+vf2pf_info->fb_usage = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]) >> 20;
+vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]) >> 20;
+vf2pf_info->fb_size = adev->gmc.real_vram_size >> 20;
+vf2pf_info->fb_vis_size = adev->gmc.visible_vram_size >> 20;
+
+amdgpu_virt_populate_vf2pf_ucode_info(adev);
+
+/* TODO read dynamic info */
+vf2pf_info->gfx_usage = 0;
+vf2pf_info->gfx_health = 0;
+vf2pf_info->compute_usage = 0;
+vf2pf_info->compute_health = 0;
+vf2pf_info->avc_enc_usage = 0;
+vf2pf_info->avc_enc_health = 0;
+vf2pf_info->hevc_enc_usage = 0;
+vf2pf_info->hevc_enc_health = 0;
+
+vf2pf_info->header.checksum =
+amd_sriov_msg_checksum(
+vf2pf_info, vf2pf_info->header.size, 0, 0);
+
+return 0;
+}
+
+void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work) {
+struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
+virt.vf2pf_work.work);
+
+amdgpu_virt_read_pf2vf_data(adev);
+amdgpu_virt_write_vf2pf_data(adev);
+
+schedule_delayed_work(&(adev->virt.vf2pf_work),
+adev->virt.vf2pf_update_interval_ms);
+}
+
+void amdgpu_virt_fini_data_exchange(struct amdgpu_device *adev) {
+if (adev->virt.vf2pf_update_interval_ms != 0) {
+DRM_INFO("clean up the vf2pf work item\n");
+flush_delayed_work(&adev->virt.vf2pf_work);
+cancel_delayed_work_sync(&adev->virt.vf2pf_work);
+}
+}
+
+void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) {
adev->virt.fw_reserve.p_pf2vf = NULL;
adev->virt.fw_reserve.p_vf2pf = NULL;
+adev->virt.vf2pf_update_interval_ms = 0;
if (adev->fw_vram_usage.va != NULL) {
+/* default 2 second */
+adev->virt.vf2pf_update_interval_ms = 2000;
+
adev->virt.fw_reserve.p_pf2vf =
-(struct amd_sriov_msg_pf2vf_info_header *)(
-adev->fw_vram_usage.va + AMDGIM_DATAEXCHANGE_OFFSET);
-AMDGPU_FW_VRAM_PF2VF_READ(adev, header.size, &pf2vf_size);
-AMDGPU_FW_VRAM_PF2VF_READ(adev, checksum, &checksum);
-AMDGPU_FW_VRAM_PF2VF_READ(adev, feature_flags, &adev->virt.gim_feature);
-
-/* pf2vf message must be in 4K */
-if (pf2vf_size > 0 && pf2vf_size < 4096) {
-checkval = amdgpu_virt_fw_reserve_get_checksum(
-adev->virt.fw_reserve.p_pf2vf, pf2vf_size,
-adev->virt.fw_reserve.checksum_key, checksum);
-if (checkval == checksum) {
-adev->virt.fw_reserve.p_vf2pf =
-((void *)adev->virt.fw_reserve.p_pf2vf +
-pf2vf_size);
-memset((void *)adev->virt.fw_reserve.p_vf2pf, 0,
-sizeof(amdgim_vf2pf_info));
-AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.version,
-AMDGPU_FW_VRAM_VF2PF_VER);
-AMDGPU_FW_VRAM_VF2PF_WRITE(adev, header.size,
-sizeof(amdgim_vf2pf_info));
-AMDGPU_FW_VRAM_VF2PF_READ(adev, driver_version,
-&str);
-#ifdef MODULE
-if (THIS_MODULE->version != NULL)
-strcpy(str, THIS_MODULE->version);
-else
-#endif
-strcpy(str, "N/A");
-AMDGPU_FW_VRAM_VF2PF_WRITE(adev, driver_cert,
-0);
-AMDGPU_FW_VRAM_VF2PF_WRITE(adev, checksum,
-amdgpu_virt_fw_reserve_get_checksum(
-adev->virt.fw_reserve.p_vf2pf,
-pf2vf_size,
-adev->virt.fw_reserve.checksum_key, 0));
-}
-}
+(struct amd_sriov_msg_pf2vf_info_header *)
+(adev->fw_vram_usage.va + AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET);
+adev->virt.fw_reserve.p_vf2pf =
+(struct amd_sriov_msg_vf2pf_info_header *)
+((void *)adev->virt.fw_reserve.p_pf2vf + AMD_SRIOV_MSG_SIZE);
+
+amdgpu_virt_read_pf2vf_data(adev);
+amdgpu_virt_write_vf2pf_data(adev);
+}
+
+if (adev->virt.vf2pf_update_interval_ms != 0) {
+INIT_DELAYED_WORK(&adev->virt.vf2pf_work, amdgpu_virt_update_vf2pf_work_item);
+schedule_delayed_work(&(adev->virt.vf2pf_work),
+adev->virt.vf2pf_update_interval_ms);
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index de27308802c9..4f2f5481d7a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -35,6 +35,31 @@
/* tonga/fiji use this offset */
#define mmBIF_IOV_FUNC_IDENTIFIER 0x1503
+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
+};
+
struct amdgpu_mm_table {
struct amdgpu_bo*bo;
uint32_t*cpu_addr;
@@ -73,11 +98,13 @@ struct amdgpu_virt_fw_reserve {
struct amd_sriov_msg_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 AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET(64 * 1024)
+#define AMD_SRIOV_MSG_SIZE(1024)
#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
(total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2)) @@ -95,14 +122,118 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
};
+#pragma pack(push, 1)
+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;
+};
+
+/* PF to VF message header */
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;
+/* 32 bit checksum */
+uint32_t checksum;
/* reserved */
-uint32_t reserved[2];
-} __aligned(4);
+uint32_t reserved[1];
+};
+
+/* PF to VF message struct, libgv */
+struct amd_sriov_msg_pf2vf_info {
+/* header contains size and version */
+struct amd_sriov_msg_pf2vf_info_header header;
+/* frequency for VF to update the VF2PF area in msec, 0 = manual */
+uint32_t vf2pf_update_interval_ms;
+/* 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;
+/* reserved */
+uint32_t reserved[256-10];
+};
+
+/* VF to PF message header */
+struct amd_sriov_msg_vf2pf_info_header {
+/* the total structure size in byte. */
+uint32_t size;
+/* version of this structure, written by the GIM */
+uint32_t version;
+/* 32 bit checksum */
+uint32_t checksum;
+/* reserved */
+uint32_t reserved[1];
+};
+
+/* VF to PF message struct, libgv */
+struct amd_sriov_msg_vf2pf_info {
+/* header contains size and version */
+struct amd_sriov_msg_vf2pf_info_header header;
+/* Version of PF2VF that VF understands */
+uint32_t pf2vf_version_required;
+/* 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_size;
+uint32_t fb_vis_size;
+uint32_t fb_usage;
+uint32_t fb_vis_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;
+/* guest ucode data */
+struct {
+uint8_t id;
+uint32_t version;
+} ucode_info[40];
+
+/* reserved */
+uint32_t reserved[256-85];
+};
+#pragma pack(pop)
+
+/* PF to VF message struct, amdgim */
struct amdgim_pf2vf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header; @@ -122,46 +253,7 @@ struct amdgim_pf2vf_info_v1 {
unsigned int checksum;
} __aligned(4);
-struct amdgim_pf2vf_info_v2 {
-/* header contains size and version */
-struct amd_sriov_msg_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 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);
-
+/* VF to PF message struct, amdgim */
struct amdgim_vf2pf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header; @@ -192,6 +284,7 @@ struct amdgim_vf2pf_info_v1 {
unsigned int checksum;
} __aligned(4);
+/* VF to PF message struct, amdgim */
struct amdgim_vf2pf_info_v2 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header; @@ -223,49 +316,30 @@ 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);
-#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)
+#define AMDGPU_FW_VRAM_VF2PF_VER 3
/* GPU virtualization */
struct amdgpu_virt {
uint32_tcaps;
struct amdgpu_bo*csa_obj;
void*csa_cpu_addr;
-bool chained_ib_support;
+boolchained_ib_support;
uint32_treg_val_offs;
struct amdgpu_irq_srcack_irq;
struct amdgpu_irq_srcrcv_irq;
struct work_structflr_work;
struct amdgpu_mm_tablemm_table;
const struct amdgpu_virt_ops*ops;
-struct amdgpu_vf_error_buffer vf_errors;
+struct amdgpu_vf_error_buffervf_errors;
struct amdgpu_virt_fw_reservefw_reserve;
-uint32_t gim_feature;
-uint32_t reg_access_mode;
-int req_init_data_ver;
-bool tdr_debug;
+uint32_tgim_feature;
+uint32_treg_access_mode;
+intreq_init_data_ver;
+booltdr_debug;
+
+/* vf2pf message */
+struct delayed_work vf2pf_work;
+uint32_tvf2pf_update_interval_ms;
};
#define amdgpu_sriov_enabled(adev) \
@@ -314,13 +388,19 @@ void amdgpu_virt_request_init_data(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);
+void amdgpu_virt_fini_data_exchange(struct amdgpu_device *adev);
+
void amdgpu_detect_virtualization(struct amdgpu_device *adev);
bool amdgpu_virt_can_access_debugfs(struct amdgpu_device *adev); int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev); void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev);
+
+/* checksum function between host and guest */ unsigned int
+amd_sriov_msg_checksum(void *obj,
+unsigned long obj_size,
+unsigned int key,
+unsigned int checksum);
+
#endif
--
2.17.1
_______________________________________________
amd-gfx mailing list
amd-gfx at lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7Cmonk.liu%40amd.com%7C92cd0041c3a7436c263108d7edf91756%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637239527004275499&sdata=LmCc1651WD4TaK%2FxlGqgpdDIcSK4zerVd%2FgiD0pNbnE%3D&reserved=0
More information about the amd-gfx
mailing list