accel/habanalabs: Move ioctls to the device specific ioctls range

To use drm_ioctl(), move the ioctls to the device specific ioctls
range at [DRM_COMMAND_BASE, DRM_COMMAND_END).
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

drivers/accel/habanalabs/common/command_buffer.c

@@ -361,10 +361,11 @@ static int hl_cb_info(struct hl_mem_mgr *mmg,
 	return rc;
 }
 
-int hl_cb_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_cb_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
-	union hl_cb_args *args = data;
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
 	struct hl_device *hdev = hpriv->hdev;
+	union hl_cb_args *args = data;
 	u64 handle = 0, device_va = 0;
 	enum hl_device_status status;
 	u32 usage_cnt = 0;

drivers/accel/habanalabs/common/command_submission.c

@@ -2558,8 +2558,9 @@ static int cs_ioctl_flush_pci_hbw_writes(struct hl_fpriv *hpriv)
 	return 0;
 }
 
-int hl_cs_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_cs_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
 	union hl_cs_args *args = data;
 	enum hl_cs_type cs_type = 0;
 	u64 cs_seq = ULONG_MAX;
@@ -3718,8 +3719,9 @@ static int hl_interrupt_wait_ioctl(struct hl_fpriv *hpriv, void *data)
 	return 0;
 }
 
-int hl_wait_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_wait_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
 	struct hl_device *hdev = hpriv->hdev;
 	union hl_wait_cs_args *args = data;
 	u32 flags = args->in.flags;

drivers/accel/habanalabs/common/habanalabs.h

@@ -4118,11 +4118,12 @@ void hl_ack_pb_single_dcore(struct hl_device *hdev, u32 dcore_offset,
 		const u32 pb_blocks[], u32 blocks_array_size);
 
 /* IOCTLs */
-long hl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
 long hl_ioctl_control(struct file *filep, unsigned int cmd, unsigned long arg);
-int hl_cb_ioctl(struct hl_fpriv *hpriv, void *data);
-int hl_cs_ioctl(struct hl_fpriv *hpriv, void *data);
-int hl_wait_ioctl(struct hl_fpriv *hpriv, void *data);
-int hl_mem_ioctl(struct hl_fpriv *hpriv, void *data);
+int hl_info_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
+int hl_cb_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
+int hl_cs_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
+int hl_wait_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
+int hl_mem_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
+int hl_debug_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv);
 
 #endif /* HABANALABSP_H_ */

drivers/accel/habanalabs/common/habanalabs_drv.c

@@ -18,6 +18,7 @@
 
 #include <drm/drm_accel.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_ioctl.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/habanalabs.h>
@@ -73,12 +74,21 @@ static const struct pci_device_id ids[] = {
 };
 MODULE_DEVICE_TABLE(pci, ids);
 
+static const struct drm_ioctl_desc hl_drm_ioctls[] = {
+	DRM_IOCTL_DEF_DRV(HL_INFO, hl_info_ioctl, 0),
+	DRM_IOCTL_DEF_DRV(HL_CB, hl_cb_ioctl, 0),
+	DRM_IOCTL_DEF_DRV(HL_CS, hl_cs_ioctl, 0),
+	DRM_IOCTL_DEF_DRV(HL_WAIT_CS, hl_wait_ioctl, 0),
+	DRM_IOCTL_DEF_DRV(HL_MEMORY, hl_mem_ioctl, 0),
+	DRM_IOCTL_DEF_DRV(HL_DEBUG, hl_debug_ioctl, 0),
+};
+
 static const struct file_operations hl_fops = {
 	.owner = THIS_MODULE,
 	.open = accel_open,
 	.release = drm_release,
-	.unlocked_ioctl = hl_ioctl,
-	.compat_ioctl = hl_ioctl,
+	.unlocked_ioctl = drm_ioctl,
+	.compat_ioctl = drm_compat_ioctl,
 	.llseek = noop_llseek,
 	.mmap = hl_mmap
 };
@@ -95,7 +105,9 @@ static const struct drm_driver hl_driver = {
 
 	.fops = &hl_fops,
 	.open = hl_device_open,
-	.postclose = hl_device_release
+	.postclose = hl_device_release,
+	.ioctls = hl_drm_ioctls,
+	.num_ioctls = ARRAY_SIZE(hl_drm_ioctls)
 };
 
 /*

drivers/accel/habanalabs/common/habanalabs_ioctl.c

@@ -1095,8 +1095,10 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data,
 	return rc;
 }
 
-static int hl_info_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_info_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
+
 	return _hl_info_ioctl(hpriv, data, hpriv->hdev->dev);
 }
 
@@ -1105,10 +1107,11 @@ static int hl_info_ioctl_control(struct hl_fpriv *hpriv, void *data)
 	return _hl_info_ioctl(hpriv, data, hpriv->hdev->dev_ctrl);
 }
 
-static int hl_debug_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_debug_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
-	struct hl_debug_args *args = data;
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
 	struct hl_device *hdev = hpriv->hdev;
+	struct hl_debug_args *args = data;
 	enum hl_device_status status;
 
 	int rc = 0;
@@ -1151,19 +1154,10 @@ static int hl_debug_ioctl(struct hl_fpriv *hpriv, void *data)
 }
 
 #define HL_IOCTL_DEF(ioctl, _func) \
-	[_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func}
-
-static const struct hl_ioctl_desc hl_ioctls[] = {
-	HL_IOCTL_DEF(HL_IOCTL_INFO, hl_info_ioctl),
-	HL_IOCTL_DEF(HL_IOCTL_CB, hl_cb_ioctl),
-	HL_IOCTL_DEF(HL_IOCTL_CS, hl_cs_ioctl),
-	HL_IOCTL_DEF(HL_IOCTL_WAIT_CS, hl_wait_ioctl),
-	HL_IOCTL_DEF(HL_IOCTL_MEMORY, hl_mem_ioctl),
-	HL_IOCTL_DEF(HL_IOCTL_DEBUG, hl_debug_ioctl)
-};
+	[_IOC_NR(ioctl) - HL_COMMAND_START] = {.cmd = ioctl, .func = _func}
 
 static const struct hl_ioctl_desc hl_ioctls_control[] = {
-	HL_IOCTL_DEF(HL_IOCTL_INFO, hl_info_ioctl_control)
+	HL_IOCTL_DEF(DRM_IOCTL_HL_INFO, hl_info_ioctl_control)
 };
 
 static long _hl_ioctl(struct hl_fpriv *hpriv, unsigned int cmd, unsigned long arg,
@@ -1232,33 +1226,6 @@ static long _hl_ioctl(struct hl_fpriv *hpriv, unsigned int cmd, unsigned long ar
 	return retcode;
 }
 
-long hl_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
-{
-	struct drm_file *file_priv = filep->private_data;
-	struct hl_fpriv *hpriv = file_priv->driver_priv;
-	struct hl_device *hdev = hpriv->hdev;
-	const struct hl_ioctl_desc *ioctl = NULL;
-	unsigned int nr = _IOC_NR(cmd);
-
-	if (!hdev) {
-		pr_err_ratelimited("Sending ioctl after device was removed! Please close FD\n");
-		return -ENODEV;
-	}
-
-	if ((nr >= HL_COMMAND_START) && (nr < HL_COMMAND_END)) {
-		ioctl = &hl_ioctls[nr];
-	} else {
-		char task_comm[TASK_COMM_LEN];
-
-		dev_dbg_ratelimited(hdev->dev,
-				"invalid ioctl: pid=%d, comm=\"%s\", cmd=%#010x, nr=%#04x\n",
-				task_pid_nr(current), get_task_comm(task_comm, current), cmd, nr);
-		return -ENOTTY;
-	}
-
-	return _hl_ioctl(hpriv, cmd, arg, ioctl, hdev->dev);
-}
-
 long hl_ioctl_control(struct file *filep, unsigned int cmd, unsigned long arg)
 {
 	struct hl_fpriv *hpriv = filep->private_data;
@@ -1271,8 +1238,8 @@ long hl_ioctl_control(struct file *filep, unsigned int cmd, unsigned long arg)
 		return -ENODEV;
 	}
 
-	if (nr == _IOC_NR(HL_IOCTL_INFO)) {
-		ioctl = &hl_ioctls_control[nr];
+	if (nr == _IOC_NR(DRM_IOCTL_HL_INFO)) {
+		ioctl = &hl_ioctls_control[nr - HL_COMMAND_START];
 	} else {
 		char task_comm[TASK_COMM_LEN];
 

drivers/accel/habanalabs/common/memory.c

@@ -2171,8 +2171,9 @@ static int allocate_timestamps_buffers(struct hl_fpriv *hpriv, struct hl_mem_in
 	return 0;
 }
 
-int hl_mem_ioctl(struct hl_fpriv *hpriv, void *data)
+int hl_mem_ioctl(struct drm_device *ddev, void *data, struct drm_file *file_priv)
 {
+	struct hl_fpriv *hpriv = file_priv->driver_priv;
 	enum hl_device_status status;
 	union hl_mem_args *args = data;
 	struct hl_device *hdev = hpriv->hdev;

include/uapi/drm/habanalabs_accel.h

@@ -8,8 +8,7 @@
 #ifndef HABANALABS_H_
 #define HABANALABS_H_
 
-#include <linux/types.h>
-#include <linux/ioctl.h>
+#include <drm/drm.h>
 
 /*
  * Defines that are asic-specific but constitutes as ABI between kernel driver
@@ -607,9 +606,9 @@ enum gaudi2_engine_id {
 /*
  * ASIC specific PLL index
  *
- * Used to retrieve in frequency info of different IPs via
- * HL_INFO_PLL_FREQUENCY under HL_IOCTL_INFO IOCTL. The enums need to be
- * used as an index in struct hl_pll_frequency_info
+ * Used to retrieve in frequency info of different IPs via HL_INFO_PLL_FREQUENCY under
+ * DRM_IOCTL_HL_INFO IOCTL.
+ * The enums need to be used as an index in struct hl_pll_frequency_info.
  */
 
 enum hl_goya_pll_index {
@@ -2163,6 +2162,13 @@ struct hl_debug_args {
 	__u32 ctx_id;
 };
 
+#define HL_IOCTL_INFO		0x00
+#define HL_IOCTL_CB		0x01
+#define HL_IOCTL_CS		0x02
+#define HL_IOCTL_WAIT_CS	0x03
+#define HL_IOCTL_MEMORY		0x04
+#define HL_IOCTL_DEBUG		0x05
+
 /*
  * Various information operations such as:
  * - H/W IP information
@@ -2177,8 +2183,7 @@ struct hl_debug_args {
  * definitions of structures in kernel and userspace, e.g. in case of old
  * userspace and new kernel driver
  */
-#define HL_IOCTL_INFO	\
-		_IOWR('H', 0x01, struct hl_info_args)
+#define DRM_IOCTL_HL_INFO	DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_INFO, struct hl_info_args)
 
 /*
  * Command Buffer
@@ -2199,8 +2204,7 @@ struct hl_debug_args {
  * and won't be returned to user.
  *
  */
-#define HL_IOCTL_CB		\
-		_IOWR('H', 0x02, union hl_cb_args)
+#define DRM_IOCTL_HL_CB		DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_CB, union hl_cb_args)
 
 /*
  * Command Submission
@@ -2252,8 +2256,7 @@ struct hl_debug_args {
  * and only if CS N and CS N-1 are exactly the same (same CBs for the same
  * queues).
  */
-#define HL_IOCTL_CS			\
-		_IOWR('H', 0x03, union hl_cs_args)
+#define DRM_IOCTL_HL_CS		DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_CS, union hl_cs_args)
 
 /*
  * Wait for Command Submission
@@ -2285,9 +2288,7 @@ struct hl_debug_args {
  * HL_WAIT_CS_STATUS_ABORTED     - The CS was aborted, usually because the
  *                                 device was reset (EIO)
  */
-
-#define HL_IOCTL_WAIT_CS			\
-		_IOWR('H', 0x04, union hl_wait_cs_args)
+#define DRM_IOCTL_HL_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_WAIT_CS, union hl_wait_cs_args)
 
 /*
  * Memory
@@ -2304,8 +2305,7 @@ struct hl_debug_args {
  * There is an option for the user to specify the requested virtual address.
  *
  */
-#define HL_IOCTL_MEMORY		\
-		_IOWR('H', 0x05, union hl_mem_args)
+#define DRM_IOCTL_HL_MEMORY	DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_MEMORY, union hl_mem_args)
 
 /*
  * Debug
@@ -2331,10 +2331,9 @@ struct hl_debug_args {
  * The driver can decide to "kick out" the user if he abuses this interface.
  *
  */
-#define HL_IOCTL_DEBUG		\
-		_IOWR('H', 0x06, struct hl_debug_args)
+#define DRM_IOCTL_HL_DEBUG	DRM_IOWR(DRM_COMMAND_BASE + HL_IOCTL_DEBUG, struct hl_debug_args)
 
-#define HL_COMMAND_START	0x01
-#define HL_COMMAND_END		0x07
+#define HL_COMMAND_START	(DRM_COMMAND_BASE + HL_IOCTL_INFO)
+#define HL_COMMAND_END		(DRM_COMMAND_BASE + HL_IOCTL_DEBUG + 1)
 
 #endif /* HABANALABS_H_ */