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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c801
1 files changed, 760 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 4340d08f7607..aad530c46a9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -40,6 +40,11 @@
#define smnPCS_GOPX1_PCS_ERROR_STATUS 0x12200210
#define smnPCS_GOPX1_PCS_ERROR_NONCORRECTABLE_MASK 0x12200218
+#define XGMI_STATE_DISABLE 0xD1
+#define XGMI_STATE_LS0 0x81
+#define XGMI_LINK_ACTIVE 1
+#define XGMI_LINK_INACTIVE 0
+
static DEFINE_MUTEX(xgmi_mutex);
#define AMDGPU_MAX_XGMI_DEVICE_PER_HIVE 4
@@ -103,6 +108,53 @@ static const int walf_pcs_err_noncorrectable_mask_reg_aldebaran[] = {
smnPCS_GOPX1_PCS_ERROR_NONCORRECTABLE_MASK + 0x100000
};
+static const int xgmi3x16_pcs_err_status_reg_v6_4[] = {
+ smnPCS_XGMI3X16_PCS_ERROR_STATUS,
+ smnPCS_XGMI3X16_PCS_ERROR_STATUS + 0x100000
+};
+
+static const int xgmi3x16_pcs_err_noncorrectable_mask_reg_v6_4[] = {
+ smnPCS_XGMI3X16_PCS_ERROR_NONCORRECTABLE_MASK,
+ smnPCS_XGMI3X16_PCS_ERROR_NONCORRECTABLE_MASK + 0x100000
+};
+
+static const u64 xgmi_v6_4_0_mca_base_array[] = {
+ 0x11a09200,
+ 0x11b09200,
+};
+
+static const char *xgmi_v6_4_0_ras_error_code_ext[32] = {
+ [0x00] = "XGMI PCS DataLossErr",
+ [0x01] = "XGMI PCS TrainingErr",
+ [0x02] = "XGMI PCS FlowCtrlAckErr",
+ [0x03] = "XGMI PCS RxFifoUnderflowErr",
+ [0x04] = "XGMI PCS RxFifoOverflowErr",
+ [0x05] = "XGMI PCS CRCErr",
+ [0x06] = "XGMI PCS BERExceededErr",
+ [0x07] = "XGMI PCS TxMetaDataErr",
+ [0x08] = "XGMI PCS ReplayBufParityErr",
+ [0x09] = "XGMI PCS DataParityErr",
+ [0x0a] = "XGMI PCS ReplayFifoOverflowErr",
+ [0x0b] = "XGMI PCS ReplayFifoUnderflowErr",
+ [0x0c] = "XGMI PCS ElasticFifoOverflowErr",
+ [0x0d] = "XGMI PCS DeskewErr",
+ [0x0e] = "XGMI PCS FlowCtrlCRCErr",
+ [0x0f] = "XGMI PCS DataStartupLimitErr",
+ [0x10] = "XGMI PCS FCInitTimeoutErr",
+ [0x11] = "XGMI PCS RecoveryTimeoutErr",
+ [0x12] = "XGMI PCS ReadySerialTimeoutErr",
+ [0x13] = "XGMI PCS ReadySerialAttemptErr",
+ [0x14] = "XGMI PCS RecoveryAttemptErr",
+ [0x15] = "XGMI PCS RecoveryRelockAttemptErr",
+ [0x16] = "XGMI PCS ReplayAttemptErr",
+ [0x17] = "XGMI PCS SyncHdrErr",
+ [0x18] = "XGMI PCS TxReplayTimeoutErr",
+ [0x19] = "XGMI PCS RxReplayTimeoutErr",
+ [0x1a] = "XGMI PCS LinkSubTxTimeoutErr",
+ [0x1b] = "XGMI PCS LinkSubRxTimeoutErr",
+ [0x1c] = "XGMI PCS RxCMDPktErr",
+};
+
static const struct amdgpu_pcs_ras_field xgmi_pcs_ras_fields[] = {
{"XGMI PCS DataLossErr",
SOC15_REG_FIELD(XGMI0_PCS_GOPX16_PCS_ERROR_STATUS, DataLossErr)},
@@ -242,6 +294,82 @@ static const struct amdgpu_pcs_ras_field xgmi3x16_pcs_ras_fields[] = {
SOC15_REG_FIELD(PCS_XGMI3X16_PCS_ERROR_STATUS, RxCMDPktErr)},
};
+int amdgpu_xgmi_get_ext_link(struct amdgpu_device *adev, int link_num)
+{
+ int link_map_6_4_x[8] = { 0, 3, 1, 2, 7, 6, 4, 5 };
+
+ if (adev->gmc.xgmi.num_physical_nodes <= 1)
+ return -EINVAL;
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ if (link_num < ARRAY_SIZE(link_map_6_4_x))
+ return link_map_6_4_x[link_num];
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
+
+static u32 xgmi_v6_4_get_link_status(struct amdgpu_device *adev, int global_link_num)
+{
+ const u32 smn_xgmi_6_4_pcs_state_hist1[2] = { 0x11a00070, 0x11b00070 };
+ const u32 smn_xgmi_6_4_1_pcs_state_hist1[2] = { 0x12100070,
+ 0x11b00070 };
+ u32 i, n;
+ u64 addr;
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ n = ARRAY_SIZE(smn_xgmi_6_4_pcs_state_hist1);
+ addr = smn_xgmi_6_4_pcs_state_hist1[global_link_num % n];
+ break;
+ case IP_VERSION(6, 4, 1):
+ n = ARRAY_SIZE(smn_xgmi_6_4_1_pcs_state_hist1);
+ addr = smn_xgmi_6_4_1_pcs_state_hist1[global_link_num % n];
+ break;
+ default:
+ return U32_MAX;
+ }
+
+ i = global_link_num / n;
+
+ if (!(adev->aid_mask & BIT(i)))
+ return U32_MAX;
+
+ addr += adev->asic_funcs->encode_ext_smn_addressing(i);
+
+ return RREG32_PCIE_EXT(addr);
+}
+
+int amdgpu_get_xgmi_link_status(struct amdgpu_device *adev, int global_link_num)
+{
+ u32 xgmi_state_reg_val;
+
+ if (adev->gmc.xgmi.num_physical_nodes <= 1)
+ return -EINVAL;
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ xgmi_state_reg_val = xgmi_v6_4_get_link_status(adev, global_link_num);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if ((xgmi_state_reg_val & 0xFF) == XGMI_STATE_DISABLE)
+ return -ENOLINK;
+
+ if ((xgmi_state_reg_val & 0xFF) == XGMI_STATE_LS0)
+ return XGMI_LINK_ACTIVE;
+
+ return XGMI_LINK_INACTIVE;
+}
+
/**
* DOC: AMDGPU XGMI Support
*
@@ -308,7 +436,7 @@ static const struct sysfs_ops amdgpu_xgmi_hive_ops = {
.show = amdgpu_xgmi_show_attrs,
};
-struct kobj_type amdgpu_xgmi_hive_type = {
+static const struct kobj_type amdgpu_xgmi_hive_type = {
.release = amdgpu_xgmi_hive_release,
.sysfs_ops = &amdgpu_xgmi_hive_ops,
.default_groups = amdgpu_xgmi_hive_groups,
@@ -325,6 +453,82 @@ static ssize_t amdgpu_xgmi_show_device_id(struct device *dev,
}
+static ssize_t amdgpu_xgmi_show_physical_id(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+
+ return sysfs_emit(buf, "%u\n", adev->gmc.xgmi.physical_node_id);
+
+}
+
+static ssize_t amdgpu_xgmi_show_num_hops(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i;
+
+ for (i = 0; i < top->num_nodes; i++)
+ sprintf(buf + 3 * i, "%02x ", top->nodes[i].num_hops);
+
+ return sysfs_emit(buf, "%s\n", buf);
+}
+
+static ssize_t amdgpu_xgmi_show_num_links(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i;
+
+ for (i = 0; i < top->num_nodes; i++)
+ sprintf(buf + 3 * i, "%02x ", top->nodes[i].num_links);
+
+ return sysfs_emit(buf, "%s\n", buf);
+}
+
+static ssize_t amdgpu_xgmi_show_connected_port_num(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i, j, size = 0;
+ int current_node;
+ /*
+ * get the node id in the sysfs for the current socket and show
+ * it in the port num info output in the sysfs for easy reading.
+ * it is NOT the one retrieved from xgmi ta.
+ */
+ for (i = 0; i < top->num_nodes; i++) {
+ if (top->nodes[i].node_id == adev->gmc.xgmi.node_id) {
+ current_node = i;
+ break;
+ }
+ }
+
+ if (i == top->num_nodes)
+ return -EINVAL;
+
+ for (i = 0; i < top->num_nodes; i++) {
+ for (j = 0; j < top->nodes[i].num_links; j++)
+ /* node id in sysfs starts from 1 rather than 0 so +1 here */
+ size += sysfs_emit_at(buf, size, "%02x:%02x -> %02x:%02x\n", current_node + 1,
+ top->nodes[i].port_num[j].src_xgmi_port_num, i + 1,
+ top->nodes[i].port_num[j].dst_xgmi_port_num);
+ }
+
+ return size;
+}
+
#define AMDGPU_XGMI_SET_FICAA(o) ((o) | 0x456801)
static ssize_t amdgpu_xgmi_show_error(struct device *dev,
struct device_attribute *attr,
@@ -360,7 +564,11 @@ static ssize_t amdgpu_xgmi_show_error(struct device *dev,
static DEVICE_ATTR(xgmi_device_id, S_IRUGO, amdgpu_xgmi_show_device_id, NULL);
+static DEVICE_ATTR(xgmi_physical_id, 0444, amdgpu_xgmi_show_physical_id, NULL);
static DEVICE_ATTR(xgmi_error, S_IRUGO, amdgpu_xgmi_show_error, NULL);
+static DEVICE_ATTR(xgmi_num_hops, S_IRUGO, amdgpu_xgmi_show_num_hops, NULL);
+static DEVICE_ATTR(xgmi_num_links, S_IRUGO, amdgpu_xgmi_show_num_links, NULL);
+static DEVICE_ATTR(xgmi_port_num, S_IRUGO, amdgpu_xgmi_show_connected_port_num, NULL);
static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
struct amdgpu_hive_info *hive)
@@ -375,11 +583,33 @@ static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
return ret;
}
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_physical_id);
+ if (ret) {
+ dev_err(adev->dev, "XGMI: Failed to create device file xgmi_physical_id\n");
+ return ret;
+ }
+
/* Create xgmi error file */
ret = device_create_file(adev->dev, &dev_attr_xgmi_error);
if (ret)
pr_err("failed to create xgmi_error\n");
+ /* Create xgmi num hops file */
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_num_hops);
+ if (ret)
+ pr_err("failed to create xgmi_num_hops\n");
+
+ /* Create xgmi num links file */
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_num_links);
+ if (ret)
+ pr_err("failed to create xgmi_num_links\n");
+
+ /* Create xgmi port num file if supported */
+ if (adev->psp.xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG) {
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_port_num);
+ if (ret)
+ dev_err(adev->dev, "failed to create xgmi_port_num\n");
+ }
/* Create sysfs link to hive info folder on the first device */
if (hive->kobj.parent != (&adev->dev->kobj)) {
@@ -407,6 +637,12 @@ remove_link:
remove_file:
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
+ device_remove_file(adev->dev, &dev_attr_xgmi_physical_id);
+ device_remove_file(adev->dev, &dev_attr_xgmi_error);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_links);
+ if (adev->psp.xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG)
+ device_remove_file(adev->dev, &dev_attr_xgmi_port_num);
success:
return ret;
@@ -419,7 +655,12 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
memset(node, 0, sizeof(node));
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
+ device_remove_file(adev->dev, &dev_attr_xgmi_physical_id);
device_remove_file(adev->dev, &dev_attr_xgmi_error);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_links);
+ if (adev->psp.xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG)
+ device_remove_file(adev->dev, &dev_attr_xgmi_port_num);
if (hive->kobj.parent != (&adev->dev->kobj))
sysfs_remove_link(&adev->dev->kobj,"xgmi_hive_info");
@@ -454,6 +695,7 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
hive = kzalloc(sizeof(*hive), GFP_KERNEL);
if (!hive) {
dev_err(adev->dev, "XGMI: allocation failed\n");
+ ret = -ENOMEM;
hive = NULL;
goto pro_end;
}
@@ -506,6 +748,7 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
task_barrier_init(&hive->tb);
hive->pstate = AMDGPU_XGMI_PSTATE_UNKNOWN;
hive->hi_req_gpu = NULL;
+ atomic_set(&hive->requested_nps_mode, UNKNOWN_MEMORY_PARTITION_MODE);
/*
* hive pstate on boot is high in vega20 so we have to go to low
@@ -615,28 +858,88 @@ int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_dev
* num_hops[2:0] = number of hops
*/
int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev,
- struct amdgpu_device *peer_adev)
+ struct amdgpu_device *peer_adev)
{
struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
uint8_t num_hops_mask = 0x7;
int i;
+ if (!adev->gmc.xgmi.supported)
+ return 0;
+
for (i = 0 ; i < top->num_nodes; ++i)
if (top->nodes[i].node_id == peer_adev->gmc.xgmi.node_id)
return top->nodes[i].num_hops & num_hops_mask;
- return -EINVAL;
+
+ dev_err(adev->dev, "Failed to get xgmi hops count for peer %d.\n",
+ peer_adev->gmc.xgmi.physical_node_id);
+
+ return 0;
+}
+
+int amdgpu_xgmi_get_bandwidth(struct amdgpu_device *adev, struct amdgpu_device *peer_adev,
+ enum amdgpu_xgmi_bw_mode bw_mode, enum amdgpu_xgmi_bw_unit bw_unit,
+ uint32_t *min_bw, uint32_t *max_bw)
+{
+ bool peer_mode = bw_mode == AMDGPU_XGMI_BW_MODE_PER_PEER;
+ int unit_scale = bw_unit == AMDGPU_XGMI_BW_UNIT_MBYTES ? 1000 : 1;
+ int num_lanes = adev->gmc.xgmi.max_width;
+ int speed = adev->gmc.xgmi.max_speed;
+ int num_links = !peer_mode ? 1 : -1;
+
+ if (!(min_bw && max_bw))
+ return -EINVAL;
+
+ *min_bw = 0;
+ *max_bw = 0;
+
+ if (!adev->gmc.xgmi.supported)
+ return -ENODATA;
+
+ if (peer_mode && !peer_adev)
+ return -EINVAL;
+
+ if (peer_mode) {
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i;
+
+ for (i = 0 ; i < top->num_nodes; ++i) {
+ if (top->nodes[i].node_id != peer_adev->gmc.xgmi.node_id)
+ continue;
+
+ num_links = top->nodes[i].num_links;
+ break;
+ }
+ }
+
+ if (num_links == -1) {
+ dev_err(adev->dev, "Failed to get number of xgmi links for peer %d.\n",
+ peer_adev->gmc.xgmi.physical_node_id);
+ } else if (num_links) {
+ int per_link_bw = (speed * num_lanes * unit_scale)/BITS_PER_BYTE;
+
+ *min_bw = per_link_bw;
+ *max_bw = num_links * per_link_bw;
+ }
+
+ return 0;
}
-int amdgpu_xgmi_get_num_links(struct amdgpu_device *adev,
- struct amdgpu_device *peer_adev)
+bool amdgpu_xgmi_get_is_sharing_enabled(struct amdgpu_device *adev,
+ struct amdgpu_device *peer_adev)
{
struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
int i;
+ /* Sharing should always be enabled for non-SRIOV. */
+ if (!amdgpu_sriov_vf(adev))
+ return true;
+
for (i = 0 ; i < top->num_nodes; ++i)
if (top->nodes[i].node_id == peer_adev->gmc.xgmi.node_id)
- return top->nodes[i].num_links;
- return -EINVAL;
+ return !!top->nodes[i].is_sharing_enabled;
+
+ return false;
}
/*
@@ -677,8 +980,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
if (!adev->gmc.xgmi.supported)
return 0;
- if (!adev->gmc.xgmi.pending_reset &&
- amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
+ if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
ret = psp_xgmi_initialize(&adev->psp, false, true);
if (ret) {
dev_err(adev->dev,
@@ -724,8 +1026,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
task_barrier_add_task(&hive->tb);
- if (!adev->gmc.xgmi.pending_reset &&
- amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
+ if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
/* update node list for other device in the hive */
if (tmp_adev != adev) {
@@ -739,18 +1040,33 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
goto exit_unlock;
}
- /* get latest topology info for each device from psp */
- list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
- ret = psp_xgmi_get_topology_info(&tmp_adev->psp, count,
- &tmp_adev->psp.xgmi_context.top_info, false);
+ if (amdgpu_sriov_vf(adev) &&
+ adev->psp.xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG) {
+ /* only get topology for VF being init if it can support full duplex */
+ ret = psp_xgmi_get_topology_info(&adev->psp, count,
+ &adev->psp.xgmi_context.top_info, false);
if (ret) {
- dev_err(tmp_adev->dev,
+ dev_err(adev->dev,
"XGMI: Get topology failure on device %llx, hive %llx, ret %d",
- tmp_adev->gmc.xgmi.node_id,
- tmp_adev->gmc.xgmi.hive_id, ret);
- /* To do : continue with some node failed or disable the whole hive */
+ adev->gmc.xgmi.node_id,
+ adev->gmc.xgmi.hive_id, ret);
+ /* To do: continue with some node failed or disable the whole hive*/
goto exit_unlock;
}
+ } else {
+ /* get latest topology info for each device from psp */
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
+ ret = psp_xgmi_get_topology_info(&tmp_adev->psp, count,
+ &tmp_adev->psp.xgmi_context.top_info, false);
+ if (ret) {
+ dev_err(tmp_adev->dev,
+ "XGMI: Get topology failure on device %llx, hive %llx, ret %d",
+ tmp_adev->gmc.xgmi.node_id,
+ tmp_adev->gmc.xgmi.hive_id, ret);
+ /* To do : continue with some node failed or disable the whole hive */
+ goto exit_unlock;
+ }
+ }
}
/* get topology again for hives that support extended data */
@@ -782,7 +1098,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
}
}
- if (!ret && !adev->gmc.xgmi.pending_reset)
+ if (!ret)
ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive);
exit_unlock:
@@ -835,15 +1151,91 @@ int amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
return 0;
}
+static int xgmi_v6_4_0_aca_bank_parser(struct aca_handle *handle, struct aca_bank *bank,
+ enum aca_smu_type type, void *data)
+{
+ struct amdgpu_device *adev = handle->adev;
+ struct aca_bank_info info;
+ const char *error_str;
+ u64 status, count;
+ int ret, ext_error_code;
+
+ ret = aca_bank_info_decode(bank, &info);
+ if (ret)
+ return ret;
+
+ status = bank->regs[ACA_REG_IDX_STATUS];
+ ext_error_code = ACA_REG__STATUS__ERRORCODEEXT(status);
+
+ error_str = ext_error_code < ARRAY_SIZE(xgmi_v6_4_0_ras_error_code_ext) ?
+ xgmi_v6_4_0_ras_error_code_ext[ext_error_code] : NULL;
+ if (error_str)
+ dev_info(adev->dev, "%s detected\n", error_str);
+
+ count = ACA_REG__MISC0__ERRCNT(bank->regs[ACA_REG_IDX_MISC0]);
+
+ switch (type) {
+ case ACA_SMU_TYPE_UE:
+ if (ext_error_code != 0 && ext_error_code != 9)
+ count = 0ULL;
+
+ bank->aca_err_type = ACA_ERROR_TYPE_UE;
+ ret = aca_error_cache_log_bank_error(handle, &info, ACA_ERROR_TYPE_UE, count);
+ break;
+ case ACA_SMU_TYPE_CE:
+ count = ext_error_code == 6 ? count : 0ULL;
+ bank->aca_err_type = ACA_ERROR_TYPE_CE;
+ ret = aca_error_cache_log_bank_error(handle, &info, bank->aca_err_type, count);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct aca_bank_ops xgmi_v6_4_0_aca_bank_ops = {
+ .aca_bank_parser = xgmi_v6_4_0_aca_bank_parser,
+};
+
+static const struct aca_info xgmi_v6_4_0_aca_info = {
+ .hwip = ACA_HWIP_TYPE_PCS_XGMI,
+ .mask = ACA_ERROR_UE_MASK | ACA_ERROR_CE_MASK,
+ .bank_ops = &xgmi_v6_4_0_aca_bank_ops,
+};
+
static int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
{
+ int r;
+
if (!adev->gmc.xgmi.supported ||
adev->gmc.xgmi.num_physical_nodes == 0)
return 0;
- adev->gmc.xgmi.ras->ras_block.hw_ops->reset_ras_error_count(adev);
+ amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__XGMI_WAFL);
+
+ r = amdgpu_ras_block_late_init(adev, ras_block);
+ if (r)
+ return r;
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__XGMI_WAFL,
+ &xgmi_v6_4_0_aca_info, NULL);
+ if (r)
+ goto late_fini;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+
+late_fini:
+ amdgpu_ras_block_late_fini(adev, ras_block);
- return amdgpu_ras_block_late_init(adev, ras_block);
+ return r;
}
uint64_t amdgpu_xgmi_get_relative_phy_addr(struct amdgpu_device *adev,
@@ -859,7 +1251,7 @@ static void pcs_clear_status(struct amdgpu_device *adev, uint32_t pcs_status_reg
WREG32_PCIE(pcs_status_reg, 0);
}
-static void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev)
+static void amdgpu_xgmi_legacy_reset_ras_error_count(struct amdgpu_device *adev)
{
uint32_t i;
@@ -885,6 +1277,51 @@ static void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev)
default:
break;
}
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ for (i = 0; i < ARRAY_SIZE(xgmi3x16_pcs_err_status_reg_v6_4); i++)
+ pcs_clear_status(adev,
+ xgmi3x16_pcs_err_status_reg_v6_4[i]);
+ break;
+ default:
+ break;
+ }
+}
+
+static void __xgmi_v6_4_0_reset_error_count(struct amdgpu_device *adev, int xgmi_inst, u64 mca_base)
+{
+ WREG64_MCA(xgmi_inst, mca_base, ACA_REG_IDX_STATUS, 0ULL);
+}
+
+static void xgmi_v6_4_0_reset_error_count(struct amdgpu_device *adev, int xgmi_inst)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(xgmi_v6_4_0_mca_base_array); i++)
+ __xgmi_v6_4_0_reset_error_count(adev, xgmi_inst, xgmi_v6_4_0_mca_base_array[i]);
+}
+
+static void xgmi_v6_4_0_reset_ras_error_count(struct amdgpu_device *adev)
+{
+ int i;
+
+ for_each_inst(i, adev->aid_mask)
+ xgmi_v6_4_0_reset_error_count(adev, i);
+}
+
+static void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev)
+{
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ xgmi_v6_4_0_reset_ras_error_count(adev);
+ break;
+ default:
+ amdgpu_xgmi_legacy_reset_ras_error_count(adev);
+ break;
+ }
}
static int amdgpu_xgmi_query_pcs_error_status(struct amdgpu_device *adev,
@@ -901,7 +1338,12 @@ static int amdgpu_xgmi_query_pcs_error_status(struct amdgpu_device *adev,
uint32_t field_array_size = 0;
if (is_xgmi_pcs) {
- if (adev->ip_versions[XGMI_HWIP][0] == IP_VERSION(6, 1, 0)) {
+ if (amdgpu_ip_version(adev, XGMI_HWIP, 0) ==
+ IP_VERSION(6, 1, 0) ||
+ amdgpu_ip_version(adev, XGMI_HWIP, 0) ==
+ IP_VERSION(6, 4, 0) ||
+ amdgpu_ip_version(adev, XGMI_HWIP, 0) ==
+ IP_VERSION(6, 4, 1)) {
pcs_ras_fields = &xgmi3x16_pcs_ras_fields[0];
field_array_size = ARRAY_SIZE(xgmi3x16_pcs_ras_fields);
} else {
@@ -935,11 +1377,11 @@ static int amdgpu_xgmi_query_pcs_error_status(struct amdgpu_device *adev,
return 0;
}
-static void amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev,
- void *ras_error_status)
+static void amdgpu_xgmi_legacy_query_ras_error_count(struct amdgpu_device *adev,
+ void *ras_error_status)
{
struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
- int i;
+ int i, supported = 1;
uint32_t data, mask_data = 0;
uint32_t ue_cnt = 0, ce_cnt = 0;
@@ -1003,41 +1445,146 @@ static void amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev,
}
break;
default:
- dev_warn(adev->dev, "XGMI RAS error query not supported");
+ supported = 0;
+ break;
+ }
+
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ /* check xgmi3x16 pcs error */
+ for (i = 0; i < ARRAY_SIZE(xgmi3x16_pcs_err_status_reg_v6_4); i++) {
+ data = RREG32_PCIE(xgmi3x16_pcs_err_status_reg_v6_4[i]);
+ mask_data =
+ RREG32_PCIE(xgmi3x16_pcs_err_noncorrectable_mask_reg_v6_4[i]);
+ if (data)
+ amdgpu_xgmi_query_pcs_error_status(adev, data,
+ mask_data, &ue_cnt, &ce_cnt, true, true);
+ }
+ break;
+ default:
+ if (!supported)
+ dev_warn(adev->dev, "XGMI RAS error query not supported");
break;
}
- adev->gmc.xgmi.ras->ras_block.hw_ops->reset_ras_error_count(adev);
+ amdgpu_ras_reset_error_count(adev, AMDGPU_RAS_BLOCK__XGMI_WAFL);
err_data->ue_count += ue_cnt;
err_data->ce_count += ce_cnt;
}
+static enum aca_error_type xgmi_v6_4_0_pcs_mca_get_error_type(struct amdgpu_device *adev, u64 status)
+{
+ const char *error_str;
+ int ext_error_code;
+
+ ext_error_code = ACA_REG__STATUS__ERRORCODEEXT(status);
+
+ error_str = ext_error_code < ARRAY_SIZE(xgmi_v6_4_0_ras_error_code_ext) ?
+ xgmi_v6_4_0_ras_error_code_ext[ext_error_code] : NULL;
+ if (error_str)
+ dev_info(adev->dev, "%s detected\n", error_str);
+
+ switch (ext_error_code) {
+ case 0:
+ return ACA_ERROR_TYPE_UE;
+ case 6:
+ return ACA_ERROR_TYPE_CE;
+ default:
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
+
+static void __xgmi_v6_4_0_query_error_count(struct amdgpu_device *adev, struct amdgpu_smuio_mcm_config_info *mcm_info,
+ u64 mca_base, struct ras_err_data *err_data)
+{
+ int xgmi_inst = mcm_info->die_id;
+ u64 status = 0;
+
+ status = RREG64_MCA(xgmi_inst, mca_base, ACA_REG_IDX_STATUS);
+ if (!ACA_REG__STATUS__VAL(status))
+ return;
+
+ switch (xgmi_v6_4_0_pcs_mca_get_error_type(adev, status)) {
+ case ACA_ERROR_TYPE_UE:
+ amdgpu_ras_error_statistic_ue_count(err_data, mcm_info, 1ULL);
+ break;
+ case ACA_ERROR_TYPE_CE:
+ amdgpu_ras_error_statistic_ce_count(err_data, mcm_info, 1ULL);
+ break;
+ default:
+ break;
+ }
+
+ WREG64_MCA(xgmi_inst, mca_base, ACA_REG_IDX_STATUS, 0ULL);
+}
+
+static void xgmi_v6_4_0_query_error_count(struct amdgpu_device *adev, int xgmi_inst, struct ras_err_data *err_data)
+{
+ struct amdgpu_smuio_mcm_config_info mcm_info = {
+ .socket_id = adev->smuio.funcs->get_socket_id(adev),
+ .die_id = xgmi_inst,
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(xgmi_v6_4_0_mca_base_array); i++)
+ __xgmi_v6_4_0_query_error_count(adev, &mcm_info, xgmi_v6_4_0_mca_base_array[i], err_data);
+}
+
+static void xgmi_v6_4_0_query_ras_error_count(struct amdgpu_device *adev, void *ras_error_status)
+{
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+ int i;
+
+ for_each_inst(i, adev->aid_mask)
+ xgmi_v6_4_0_query_error_count(adev, i, err_data);
+}
+
+static void amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+ switch (amdgpu_ip_version(adev, XGMI_HWIP, 0)) {
+ case IP_VERSION(6, 4, 0):
+ case IP_VERSION(6, 4, 1):
+ xgmi_v6_4_0_query_ras_error_count(adev, ras_error_status);
+ break;
+ default:
+ amdgpu_xgmi_legacy_query_ras_error_count(adev, ras_error_status);
+ break;
+ }
+}
+
/* Trigger XGMI/WAFL error */
-static int amdgpu_ras_error_inject_xgmi(struct amdgpu_device *adev, void *inject_if)
+static int amdgpu_ras_error_inject_xgmi(struct amdgpu_device *adev,
+ void *inject_if, uint32_t instance_mask)
{
- int ret = 0;
+ int ret1, ret2;
struct ta_ras_trigger_error_input *block_info =
(struct ta_ras_trigger_error_input *)inject_if;
if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
dev_warn(adev->dev, "Failed to disallow df cstate");
- if (amdgpu_dpm_allow_xgmi_power_down(adev, false))
+ ret1 = amdgpu_dpm_set_pm_policy(adev, PP_PM_POLICY_XGMI_PLPD, XGMI_PLPD_DISALLOW);
+ if (ret1 && ret1 != -EOPNOTSUPP)
dev_warn(adev->dev, "Failed to disallow XGMI power down");
- ret = psp_ras_trigger_error(&adev->psp, block_info);
+ ret2 = psp_ras_trigger_error(&adev->psp, block_info, instance_mask);
if (amdgpu_ras_intr_triggered())
- return ret;
+ return ret2;
- if (amdgpu_dpm_allow_xgmi_power_down(adev, true))
+ ret1 = amdgpu_dpm_set_pm_policy(adev, PP_PM_POLICY_XGMI_PLPD, XGMI_PLPD_DEFAULT);
+ if (ret1 && ret1 != -EOPNOTSUPP)
dev_warn(adev->dev, "Failed to allow XGMI power down");
if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW))
dev_warn(adev->dev, "Failed to allow df cstate");
- return ret;
+ return ret2;
}
struct amdgpu_ras_block_hw_ops xgmi_ras_hw_ops = {
@@ -1048,12 +1595,184 @@ struct amdgpu_ras_block_hw_ops xgmi_ras_hw_ops = {
struct amdgpu_xgmi_ras xgmi_ras = {
.ras_block = {
- .ras_comm = {
- .name = "xgmi_wafl",
- .block = AMDGPU_RAS_BLOCK__XGMI_WAFL,
- .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
- },
.hw_ops = &xgmi_ras_hw_ops,
.ras_late_init = amdgpu_xgmi_ras_late_init,
},
};
+
+int amdgpu_xgmi_ras_sw_init(struct amdgpu_device *adev)
+{
+ int err;
+ struct amdgpu_xgmi_ras *ras;
+
+ if (!adev->gmc.xgmi.ras)
+ return 0;
+
+ ras = adev->gmc.xgmi.ras;
+ err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
+ if (err) {
+ dev_err(adev->dev, "Failed to register xgmi_wafl_pcs ras block!\n");
+ return err;
+ }
+
+ strcpy(ras->ras_block.ras_comm.name, "xgmi_wafl");
+ ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__XGMI_WAFL;
+ ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
+ adev->gmc.xgmi.ras_if = &ras->ras_block.ras_comm;
+
+ return 0;
+}
+
+static void amdgpu_xgmi_reset_on_init_work(struct work_struct *work)
+{
+ struct amdgpu_hive_info *hive =
+ container_of(work, struct amdgpu_hive_info, reset_on_init_work);
+ struct amdgpu_reset_context reset_context;
+ struct amdgpu_device *tmp_adev;
+ struct list_head device_list;
+ int r;
+
+ mutex_lock(&hive->hive_lock);
+
+ INIT_LIST_HEAD(&device_list);
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head)
+ list_add_tail(&tmp_adev->reset_list, &device_list);
+
+ tmp_adev = list_first_entry(&device_list, struct amdgpu_device,
+ reset_list);
+ amdgpu_device_lock_reset_domain(tmp_adev->reset_domain);
+
+ reset_context.method = AMD_RESET_METHOD_ON_INIT;
+ reset_context.reset_req_dev = tmp_adev;
+ reset_context.hive = hive;
+ reset_context.reset_device_list = &device_list;
+ set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
+ set_bit(AMDGPU_SKIP_COREDUMP, &reset_context.flags);
+
+ amdgpu_reset_do_xgmi_reset_on_init(&reset_context);
+ mutex_unlock(&hive->hive_lock);
+ amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain);
+
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
+ r = amdgpu_ras_init_badpage_info(tmp_adev);
+ if (r && r != -EHWPOISON)
+ dev_err(tmp_adev->dev,
+ "error during bad page data initialization");
+ }
+}
+
+static void amdgpu_xgmi_schedule_reset_on_init(struct amdgpu_hive_info *hive)
+{
+ INIT_WORK(&hive->reset_on_init_work, amdgpu_xgmi_reset_on_init_work);
+ amdgpu_reset_domain_schedule(hive->reset_domain,
+ &hive->reset_on_init_work);
+}
+
+int amdgpu_xgmi_reset_on_init(struct amdgpu_device *adev)
+{
+ struct amdgpu_hive_info *hive;
+ bool reset_scheduled;
+ int num_devs;
+
+ hive = amdgpu_get_xgmi_hive(adev);
+ if (!hive)
+ return -EINVAL;
+
+ mutex_lock(&hive->hive_lock);
+ num_devs = atomic_read(&hive->number_devices);
+ reset_scheduled = false;
+ if (num_devs == adev->gmc.xgmi.num_physical_nodes) {
+ amdgpu_xgmi_schedule_reset_on_init(hive);
+ reset_scheduled = true;
+ }
+
+ mutex_unlock(&hive->hive_lock);
+ amdgpu_put_xgmi_hive(hive);
+
+ if (reset_scheduled)
+ flush_work(&hive->reset_on_init_work);
+
+ return 0;
+}
+
+int amdgpu_xgmi_request_nps_change(struct amdgpu_device *adev,
+ struct amdgpu_hive_info *hive,
+ int req_nps_mode)
+{
+ struct amdgpu_device *tmp_adev;
+ int cur_nps_mode, r;
+
+ /* This is expected to be called only during unload of driver. The
+ * request needs to be placed only once for all devices in the hive. If
+ * one of them fail, revert the request for previous successful devices.
+ * After placing the request, make hive mode as UNKNOWN so that other
+ * devices don't request anymore.
+ */
+ mutex_lock(&hive->hive_lock);
+ if (atomic_read(&hive->requested_nps_mode) ==
+ UNKNOWN_MEMORY_PARTITION_MODE) {
+ dev_dbg(adev->dev, "Unexpected entry for hive NPS change");
+ mutex_unlock(&hive->hive_lock);
+ return 0;
+ }
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
+ r = adev->gmc.gmc_funcs->request_mem_partition_mode(
+ tmp_adev, req_nps_mode);
+ if (r)
+ break;
+ }
+ if (r) {
+ /* Request back current mode if one of the requests failed */
+ cur_nps_mode =
+ adev->gmc.gmc_funcs->query_mem_partition_mode(tmp_adev);
+ list_for_each_entry_continue_reverse(
+ tmp_adev, &hive->device_list, gmc.xgmi.head)
+ adev->gmc.gmc_funcs->request_mem_partition_mode(
+ tmp_adev, cur_nps_mode);
+ }
+ /* Set to UNKNOWN so that other devices don't request anymore */
+ atomic_set(&hive->requested_nps_mode, UNKNOWN_MEMORY_PARTITION_MODE);
+ mutex_unlock(&hive->hive_lock);
+
+ return r;
+}
+
+bool amdgpu_xgmi_same_hive(struct amdgpu_device *adev,
+ struct amdgpu_device *bo_adev)
+{
+ return (amdgpu_use_xgmi_p2p && adev != bo_adev &&
+ adev->gmc.xgmi.hive_id &&
+ adev->gmc.xgmi.hive_id == bo_adev->gmc.xgmi.hive_id);
+}
+
+void amdgpu_xgmi_early_init(struct amdgpu_device *adev)
+{
+ if (!adev->gmc.xgmi.supported)
+ return;
+
+ switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
+ case IP_VERSION(9, 4, 0):
+ case IP_VERSION(9, 4, 1):
+ case IP_VERSION(9, 4, 2):
+ /* 25 GT/s */
+ adev->gmc.xgmi.max_speed = 25;
+ adev->gmc.xgmi.max_width = 16;
+ break;
+ case IP_VERSION(9, 4, 3):
+ case IP_VERSION(9, 4, 4):
+ case IP_VERSION(9, 5, 0):
+ /* 32 GT/s */
+ adev->gmc.xgmi.max_speed = 32;
+ adev->gmc.xgmi.max_width = 16;
+ break;
+ default:
+ break;
+ }
+}
+
+void amgpu_xgmi_set_max_speed_width(struct amdgpu_device *adev,
+ uint16_t max_speed, uint8_t max_width)
+{
+ adev->gmc.xgmi.max_speed = max_speed;
+ adev->gmc.xgmi.max_width = max_width;
+}