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path: root/drivers/misc/habanalabs/common/debugfs.c
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Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
-rw-r--r--drivers/misc/habanalabs/common/debugfs.c221
1 files changed, 159 insertions, 62 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c
index c6744bfc6da4..64439f33a19b 100644
--- a/drivers/misc/habanalabs/common/debugfs.c
+++ b/drivers/misc/habanalabs/common/debugfs.c
@@ -152,12 +152,12 @@ static int command_submission_show(struct seq_file *s, void *data)
if (first) {
first = false;
seq_puts(s, "\n");
- seq_puts(s, " CS ID CTX ASID CS RefCnt Submitted Completed\n");
- seq_puts(s, "------------------------------------------------------\n");
+ seq_puts(s, " CS ID CS TYPE CTX ASID CS RefCnt Submitted Completed\n");
+ seq_puts(s, "----------------------------------------------------------------\n");
}
seq_printf(s,
- " %llu %d %d %d %d\n",
- cs->sequence, cs->ctx->asid,
+ " %llu %d %d %d %d %d\n",
+ cs->sequence, cs->type, cs->ctx->asid,
kref_read(&cs->refcount),
cs->submitted, cs->completed);
}
@@ -183,17 +183,18 @@ static int command_submission_jobs_show(struct seq_file *s, void *data)
if (first) {
first = false;
seq_puts(s, "\n");
- seq_puts(s, " JOB ID CS ID CTX ASID JOB RefCnt H/W Queue\n");
- seq_puts(s, "----------------------------------------------------\n");
+ seq_puts(s, " JOB ID CS ID CS TYPE CTX ASID JOB RefCnt H/W Queue\n");
+ seq_puts(s, "---------------------------------------------------------------\n");
}
if (job->cs)
seq_printf(s,
- " %02d %llu %d %d %d\n",
- job->id, job->cs->sequence, job->cs->ctx->asid,
- kref_read(&job->refcount), job->hw_queue_id);
+ " %02d %llu %d %d %d %d\n",
+ job->id, job->cs->sequence, job->cs->type,
+ job->cs->ctx->asid, kref_read(&job->refcount),
+ job->hw_queue_id);
else
seq_printf(s,
- " %02d 0 %d %d %d\n",
+ " %02d 0 0 %d %d %d\n",
job->id, HL_KERNEL_ASID_ID,
kref_read(&job->refcount), job->hw_queue_id);
}
@@ -449,7 +450,7 @@ static int mmu_show(struct seq_file *s, void *data)
if (hl_mmu_get_tlb_info(ctx, virt_addr, &hops_info)) {
dev_err(hdev->dev, "virt addr 0x%llx is not mapped to phys addr\n",
virt_addr);
- return 0;
+ goto put_ctx;
}
hl_mmu_va_to_pa(ctx, virt_addr, &phys_addr);
@@ -475,6 +476,10 @@ static int mmu_show(struct seq_file *s, void *data)
i, hops_info.hop_info[i].hop_pte_val);
}
+put_ctx:
+ if (dev_entry->mmu_asid != HL_KERNEL_ASID_ID)
+ hl_ctx_put(ctx);
+
return 0;
}
@@ -521,6 +526,66 @@ err:
return -EINVAL;
}
+static int mmu_ack_error(struct seq_file *s, void *data)
+{
+ struct hl_debugfs_entry *entry = s->private;
+ struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
+ struct hl_device *hdev = dev_entry->hdev;
+ int rc;
+
+ if (!hdev->mmu_enable)
+ return 0;
+
+ if (!dev_entry->mmu_cap_mask) {
+ dev_err(hdev->dev, "mmu_cap_mask is not set\n");
+ goto err;
+ }
+
+ rc = hdev->asic_funcs->ack_mmu_errors(hdev, dev_entry->mmu_cap_mask);
+ if (rc)
+ goto err;
+
+ return 0;
+err:
+ return -EINVAL;
+}
+
+static ssize_t mmu_ack_error_value_write(struct file *file,
+ const char __user *buf,
+ size_t count, loff_t *f_pos)
+{
+ struct seq_file *s = file->private_data;
+ struct hl_debugfs_entry *entry = s->private;
+ struct hl_dbg_device_entry *dev_entry = entry->dev_entry;
+ struct hl_device *hdev = dev_entry->hdev;
+ char kbuf[MMU_KBUF_SIZE];
+ ssize_t rc;
+
+ if (!hdev->mmu_enable)
+ return count;
+
+ if (count > sizeof(kbuf) - 1)
+ goto err;
+
+ if (copy_from_user(kbuf, buf, count))
+ goto err;
+
+ kbuf[count] = 0;
+
+ if (strncmp(kbuf, "0x", 2))
+ goto err;
+
+ rc = kstrtoull(kbuf, 16, &dev_entry->mmu_cap_mask);
+ if (rc)
+ goto err;
+
+ return count;
+err:
+ dev_err(hdev->dev, "usage: echo <0xmmu_cap_mask > > mmu_error\n");
+
+ return -EINVAL;
+}
+
static int engines_show(struct seq_file *s, void *data)
{
struct hl_debugfs_entry *entry = s->private;
@@ -543,7 +608,7 @@ static ssize_t hl_memory_scrub(struct file *f, const char __user *buf,
{
struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
struct hl_device *hdev = entry->hdev;
- u64 val = entry->memory_scrub_val;
+ u64 val = hdev->memory_scrub_val;
int rc;
if (!hl_device_operational(hdev, NULL)) {
@@ -666,7 +731,8 @@ static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size,
dev_err(hdev->dev,
"virt addr 0x%llx is not mapped\n",
virt_addr);
- return -EINVAL;
+ rc = -EINVAL;
+ goto put_ctx;
}
rc = hl_mmu_va_to_pa(ctx, virt_addr, phys_addr);
@@ -677,6 +743,9 @@ static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size,
rc = -EINVAL;
}
+put_ctx:
+ hl_ctx_put(ctx);
+
return rc;
}
@@ -695,8 +764,7 @@ static int hl_access_dev_mem_by_region(struct hl_device *hdev, u64 addr,
if (addr >= mem_reg->region_base &&
addr <= mem_reg->region_base + mem_reg->region_size - acc_size) {
*found = true;
- return hdev->asic_funcs->access_dev_mem(hdev, mem_reg, i,
- addr, val, acc_type);
+ return hdev->asic_funcs->access_dev_mem(hdev, i, addr, val, acc_type);
}
}
return 0;
@@ -728,7 +796,7 @@ static void hl_access_host_mem(struct hl_device *hdev, u64 addr, u64 *val,
}
static int hl_access_mem(struct hl_device *hdev, u64 addr, u64 *val,
- enum debugfs_access_type acc_type)
+ enum debugfs_access_type acc_type)
{
size_t acc_size = (acc_type == DEBUGFS_READ64 || acc_type == DEBUGFS_WRITE64) ?
sizeof(u64) : sizeof(u32);
@@ -1349,6 +1417,17 @@ static ssize_t hl_timeout_locked_write(struct file *f, const char __user *buf,
return count;
}
+static ssize_t hl_check_razwi_happened(struct file *f, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct hl_dbg_device_entry *entry = file_inode(f)->i_private;
+ struct hl_device *hdev = entry->hdev;
+
+ hdev->asic_funcs->check_if_razwi_happened(hdev);
+
+ return 0;
+}
+
static const struct file_operations hl_mem_scrub_fops = {
.owner = THIS_MODULE,
.write = hl_memory_scrub,
@@ -1438,6 +1517,11 @@ static const struct file_operations hl_timeout_locked_fops = {
.write = hl_timeout_locked_write
};
+static const struct file_operations hl_razwi_check_fops = {
+ .owner = THIS_MODULE,
+ .read = hl_check_razwi_happened
+};
+
static const struct hl_info_list hl_debugfs_list[] = {
{"command_buffers", command_buffers_show, NULL},
{"command_submission", command_submission_show, NULL},
@@ -1446,7 +1530,8 @@ static const struct hl_info_list hl_debugfs_list[] = {
{"vm", vm_show, NULL},
{"userptr_lookup", userptr_lookup_show, userptr_lookup_write},
{"mmu", mmu_show, mmu_asid_va_write},
- {"engines", engines_show, NULL}
+ {"mmu_error", mmu_ack_error, mmu_ack_error_value_write},
+ {"engines", engines_show, NULL},
};
static int hl_debugfs_open(struct inode *inode, struct file *file)
@@ -1477,6 +1562,53 @@ static const struct file_operations hl_debugfs_fops = {
.release = single_release,
};
+static void add_secured_nodes(struct hl_dbg_device_entry *dev_entry)
+{
+ debugfs_create_u8("i2c_bus",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_bus);
+
+ debugfs_create_u8("i2c_addr",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_addr);
+
+ debugfs_create_u8("i2c_reg",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_reg);
+
+ debugfs_create_u8("i2c_len",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_len);
+
+ debugfs_create_file("i2c_data",
+ 0644,
+ dev_entry->root,
+ dev_entry,
+ &hl_i2c_data_fops);
+
+ debugfs_create_file("led0",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led0_fops);
+
+ debugfs_create_file("led1",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led1_fops);
+
+ debugfs_create_file("led2",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led2_fops);
+}
+
void hl_debugfs_add_device(struct hl_device *hdev)
{
struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
@@ -1516,7 +1648,7 @@ void hl_debugfs_add_device(struct hl_device *hdev)
debugfs_create_x64("memory_scrub_val",
0644,
dev_entry->root,
- &dev_entry->memory_scrub_val);
+ &hdev->memory_scrub_val);
debugfs_create_file("memory_scrub",
0200,
@@ -1547,50 +1679,6 @@ void hl_debugfs_add_device(struct hl_device *hdev)
dev_entry,
&hl_power_fops);
- debugfs_create_u8("i2c_bus",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_bus);
-
- debugfs_create_u8("i2c_addr",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_addr);
-
- debugfs_create_u8("i2c_reg",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_reg);
-
- debugfs_create_u8("i2c_len",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_len);
-
- debugfs_create_file("i2c_data",
- 0644,
- dev_entry->root,
- dev_entry,
- &hl_i2c_data_fops);
-
- debugfs_create_file("led0",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led0_fops);
-
- debugfs_create_file("led1",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led1_fops);
-
- debugfs_create_file("led2",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led2_fops);
-
debugfs_create_file("device",
0200,
dev_entry->root,
@@ -1615,6 +1703,12 @@ void hl_debugfs_add_device(struct hl_device *hdev)
dev_entry,
&hl_security_violations_fops);
+ debugfs_create_file("dump_razwi_events",
+ 0644,
+ dev_entry->root,
+ dev_entry,
+ &hl_razwi_check_fops);
+
debugfs_create_file("dma_size",
0200,
dev_entry->root,
@@ -1663,6 +1757,9 @@ void hl_debugfs_add_device(struct hl_device *hdev)
entry->info_ent = &hl_debugfs_list[i];
entry->dev_entry = dev_entry;
}
+
+ if (!hdev->asic_prop.fw_security_enabled)
+ add_secured_nodes(dev_entry);
}
void hl_debugfs_remove_device(struct hl_device *hdev)
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