diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 173 |
1 files changed, 169 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index f7467af2e102..092fd3309099 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -39,6 +39,7 @@ #include "amdgpu_reset.h" #include "amdgpu_psp_ta.h" +#include "amdgpu_userq.h" #if defined(CONFIG_DEBUG_FS) @@ -617,6 +618,110 @@ out: } /** + * amdgpu_debugfs_regs_pcie64_read - Read from a 64-bit PCIE register + * + * @f: open file handle + * @buf: User buffer to store read data in + * @size: Number of bytes to read + * @pos: Offset to seek to + */ +static ssize_t amdgpu_debugfs_regs_pcie64_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x7 || *pos & 0x7) + return -EINVAL; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + while (size) { + uint64_t value; + + value = RREG64_PCIE_EXT(*pos); + + r = put_user(value, (uint64_t *)buf); + if (r) + goto out; + + result += 8; + buf += 8; + *pos += 8; + size -= 8; + } + + r = result; +out: + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); + return r; +} + +/** + * amdgpu_debugfs_regs_pcie64_write - Write to a 64-bit PCIE register + * + * @f: open file handle + * @buf: User buffer to write data from + * @size: Number of bytes to write + * @pos: Offset to seek to + */ +static ssize_t amdgpu_debugfs_regs_pcie64_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x7 || *pos & 0x7) + return -EINVAL; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + while (size) { + uint64_t value; + + r = get_user(value, (uint64_t *)buf); + if (r) + goto out; + + WREG64_PCIE_EXT(*pos, value); + + result += 8; + buf += 8; + *pos += 8; + size -= 8; + } + + r = result; +out: + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); + return r; +} + +/** * amdgpu_debugfs_regs_didt_read - Read from a DIDT register * * @f: open file handle @@ -638,7 +743,7 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, if (size & 0x3 || *pos & 0x3) return -EINVAL; - if (!adev->didt_rreg) + if (!adev->reg.didt.rreg) return -EOPNOTSUPP; r = pm_runtime_get_sync(adev_to_drm(adev)->dev); @@ -696,7 +801,7 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user if (size & 0x3 || *pos & 0x3) return -EINVAL; - if (!adev->didt_wreg) + if (!adev->reg.didt.wreg) return -EOPNOTSUPP; r = pm_runtime_get_sync(adev_to_drm(adev)->dev); @@ -752,7 +857,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, ssize_t result = 0; int r; - if (!adev->smc_rreg) + if (!adev->reg.smc.rreg) return -EOPNOTSUPP; if (size & 0x3 || *pos & 0x3) @@ -810,7 +915,7 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * ssize_t result = 0; int r; - if (!adev->smc_wreg) + if (!adev->reg.smc.wreg) return -EOPNOTSUPP; if (size & 0x3 || *pos & 0x3) @@ -1524,6 +1629,12 @@ static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { .write = amdgpu_debugfs_regs_pcie_write, .llseek = default_llseek }; +static const struct file_operations amdgpu_debugfs_regs_pcie64_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_regs_pcie64_read, + .write = amdgpu_debugfs_regs_pcie64_write, + .llseek = default_llseek +}; static const struct file_operations amdgpu_debugfs_regs_smc_fops = { .owner = THIS_MODULE, .read = amdgpu_debugfs_regs_smc_read, @@ -1586,6 +1697,7 @@ static const struct file_operations *debugfs_regs[] = { &amdgpu_debugfs_gprwave_fops, &amdgpu_debugfs_regs_didt_fops, &amdgpu_debugfs_regs_pcie_fops, + &amdgpu_debugfs_regs_pcie64_fops, &amdgpu_debugfs_regs_smc_fops, &amdgpu_debugfs_gca_config_fops, &amdgpu_debugfs_sensors_fops, @@ -1603,6 +1715,7 @@ static const char * const debugfs_regs_names[] = { "amdgpu_gprwave", "amdgpu_regs_didt", "amdgpu_regs_pcie", + "amdgpu_regs_pcie64", "amdgpu_regs_smc", "amdgpu_gca_config", "amdgpu_sensors", @@ -2156,6 +2269,53 @@ static const struct file_operations amdgpu_pt_info_fops = { .release = single_release, }; +static int amdgpu_mqd_info_read(struct seq_file *m, void *unused) +{ + struct amdgpu_usermode_queue *queue = m->private; + struct amdgpu_bo *bo; + int r; + + if (!queue || !queue->mqd.obj) + return -EINVAL; + + bo = amdgpu_bo_ref(queue->mqd.obj); + r = amdgpu_bo_reserve(bo, true); + if (r) { + amdgpu_bo_unref(&bo); + return -EINVAL; + } + + seq_printf(m, "queue_type: %d\n", queue->queue_type); + seq_printf(m, "mqd_gpu_address: 0x%llx\n", amdgpu_bo_gpu_offset(queue->mqd.obj)); + + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); + + return 0; +} + +static int amdgpu_mqd_info_open(struct inode *inode, struct file *file) +{ + return single_open(file, amdgpu_mqd_info_read, inode->i_private); +} + +static const struct file_operations amdgpu_mqd_info_fops = { + .owner = THIS_MODULE, + .open = amdgpu_mqd_info_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void amdgpu_debugfs_userq_init(struct drm_file *file, struct amdgpu_usermode_queue *queue, int qid) +{ + char queue_name[32]; + + scnprintf(queue_name, sizeof(queue_name), "queue_%d", qid); + queue->debugfs_queue = debugfs_create_dir(queue_name, file->debugfs_client); + debugfs_create_file("mqd_info", 0444, queue->debugfs_queue, queue, &amdgpu_mqd_info_fops); +} + void amdgpu_debugfs_vm_init(struct drm_file *file) { debugfs_create_file("vm_pagetable_info", 0444, file->debugfs_client, file, @@ -2174,4 +2334,9 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) void amdgpu_debugfs_vm_init(struct drm_file *file) { } +void amdgpu_debugfs_userq_init(struct drm_file *file, + struct amdgpu_usermode_queue *queue, + int qid) +{ +} #endif |