[PATCH 2/3] SWDEV-220451 - Query guest's information by VF2PF message - Guest side - part 2
Liu, Monk
Monk.Liu at amd.com
Fri Sep 18 03:47:22 UTC 2020
[AMD Official Use Only - Internal Distribution Only]
Those three patches are
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, September 16, 2020 10:57 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Bokun <Bokun.Zhang at amd.com>
Subject: [PATCH 2/3] SWDEV-220451 - Query guest's information by VF2PF message - Guest side - part 2
- Add VF2PF message support
- Remove incorrect Macro to avoid compile error
- Remove duplicated struct and use amdgv_sriovmsg.h
Change-Id: I8175d304871f4b5aab75fd071a6bdf8008137dbe
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 | 244 ++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 75 +------
3 files changed, 198 insertions(+), 125 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 5d702f6e77de..483ec0136332 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3443,8 +3443,10 @@ 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 f76961d17246..1f1171812e35 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -31,6 +31,12 @@
#include "soc15.h"
#include "nv.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 */ @@ -239,10 +245,10 @@ 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)
+unsigned int amd_sriov_msg_checksum(void *obj,
+unsigned long obj_size,
+unsigned int key,
+unsigned int checksum)
{
unsigned int ret = key;
unsigned long i = 0;
@@ -252,9 +258,9 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj,
/* calculate checksum */
for (i = 0; i < obj_size; ++i)
ret += *(pos + i);
-/* minus the chksum itself */
-pos = (char *)&chksum;
-for (i = 0; i < sizeof(chksum); ++i)
+/* minus the checksum itself */
+pos = (char *)&checksum;
+for (i = 0; i < sizeof(checksum); ++i)
ret -= *(pos + i);
return ret;
}
@@ -415,33 +421,187 @@ static void amdgpu_virt_add_bad_page(struct amdgpu_device *adev,
}
}
-void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
+static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev)
{
-uint32_t pf2vf_size = 0;
-uint32_t checksum = 0;
+struct amd_sriov_msg_pf2vf_info_header *pf2vf_info = adev->virt.fw_reserve.p_pf2vf;
+uint32_t checksum;
uint32_t checkval;
-char *str;
+
+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;
+checkval = amd_sriov_msg_checksum(
+adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size,
+adev->virt.fw_reserve.checksum_key, checksum);
+if (checksum != checkval) {
+DRM_ERROR("invalid pf2vf message\n");
+return -EINVAL;
+}
+
+adev->virt.gim_feature =
+((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->feature_flags;
+break;
+case 2:
+/* TODO: missing key, need to add it later */
+checksum = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->checksum;
+checkval = amd_sriov_msg_checksum(
+adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size,
+0, checksum);
+if (checksum != checkval) {
+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;
+}
+
+/* correct too large or too little interval value */
+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) {
+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 = AMD_SRIOV_MSG_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, guest understands all
+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->compute_usage = 0;
+vf2pf_info->encode_usage = 0;
+vf2pf_info->decode_usage = 0;
+
+vf2pf_info->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) {
uint64_t bp_block_offset = 0;
uint32_t bp_block_size = 0;
-struct amdgim_pf2vf_info_v2 *pf2vf_v2 = NULL;
+struct amd_sriov_msg_pf2vf_info *pf2vf_v2 = NULL;
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) {
+adev->virt.vf2pf_update_interval_ms = 2000;
-if (adev->mman.fw_vram_usage_va != NULL) {
adev->virt.fw_reserve.p_pf2vf =
-(struct amd_sriov_msg_pf2vf_info_header *)(
-adev->mman.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) {
-if (adev->virt.fw_reserve.p_pf2vf->version == 2) {
-pf2vf_v2 = (struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf;
-bp_block_offset = ((uint64_t)pf2vf_v2->bp_block_offset_L & 0xFFFFFFFF) |
-((((uint64_t)pf2vf_v2->bp_block_offset_H) << 32) & 0xFFFFFFFF00000000);
+(struct amd_sriov_msg_pf2vf_info_header *)
+(adev->fw_vram_usage.va + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10));
+adev->virt.fw_reserve.p_vf2pf =
+(struct amd_sriov_msg_vf2pf_info_header *)
+(adev->fw_vram_usage.va + (AMD_SRIOV_MSG_VF2PF_OFFSET_KB << 10));
+
+amdgpu_virt_read_pf2vf_data(adev);
+amdgpu_virt_write_vf2pf_data(adev);
+
+/* bad page handling for version 2 */
+if (adev->virt.fw_reserve.p_pf2vf->version == 2) {
+pf2vf_v2 = (struct amd_sriov_msg_pf2vf_info
+*)adev->virt.fw_reserve.p_pf2vf;
+
+bp_block_offset = ((uint64_t)pf2vf_v2->bp_block_offset_low & 0xFFFFFFFF) |
+((((uint64_t)pf2vf_v2->bp_block_offset_high) << 32) &
+0xFFFFFFFF00000000);
bp_block_size = pf2vf_v2->bp_block_size;
if (bp_block_size && !adev->virt.ras_init_done) @@ -450,37 +610,11 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
if (adev->virt.ras_init_done)
amdgpu_virt_add_bad_page(adev, bp_block_offset, bp_block_size);
}
+}
-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));
-}
-}
+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 082fb0736645..8dd624c20f89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -125,45 +125,6 @@ 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;
-/* 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;
-/* Bad pages block position in BYTE */
-uint32_t bp_block_offset_L;
-uint32_t bp_block_offset_H;
-/* Bad pages block size in BYTE */
-uint32_t bp_block_size;
-/* MEC FW position in kb from the start of VF visible frame buffer */
-uint32_t mecfw_kboffset_L;
-uint32_t mecfw_kboffset_H;
-/* MEC FW size in KB */
-uint32_t mecfw_ksize;
-/* UVD FW position in kb from the start of VF visible frame buffer */
-uint32_t uvdfw_kboffset_L;
-uint32_t uvdfw_kboffset_H;
-/* UVD FW size in KB */
-uint32_t uvdfw_ksize;
-/* VCE FW position in kb from the start of VF visible frame buffer */
-uint32_t vcefw_kboffset_L;
-uint32_t vcefw_kboffset_H;
-/* VCE FW size in KB */
-uint32_t vcefw_ksize;
-uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (18 + sizeof(struct amd_sriov_msg_pf2vf_info_header)/sizeof(uint32_t)), 0)];
-} __aligned(4);
-
struct amdgim_vf2pf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header; @@ -225,32 +186,6 @@ 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 amd_sriov_msg_vf2pf_info 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)
-
struct amdgpu_virt_ras_err_handler_data {
/* point to bad page records array */
struct eeprom_table_record *bps;
@@ -274,7 +209,7 @@ struct amdgpu_virt {
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;
@@ -282,6 +217,10 @@ struct amdgpu_virt {
bool tdr_debug;
struct amdgpu_virt_ras_err_handler_data *virt_eh_data;
bool ras_init_done;
+
+/* vf2pf message */
+struct delayed_work vf2pf_work;
+uint32_t vf2pf_update_interval_ms;
};
#define amdgpu_sriov_enabled(adev) \
@@ -330,11 +269,9 @@ 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_release_ras_err_handler_data(struct amdgpu_device *adev); 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);
--
2.20.1
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