linux-kernel - [PATCH 9/9] habanalabs: extend busy engines mask to 64 bits

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Message-Id: <20200815175938.16619-9-oded.gabbay@gmail.com>
Date:   Sat, 15 Aug 2020 20:59:38 +0300
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org, SW_Drivers@...ana.ai
Cc:     farah kassabri <fkassabri@...ana.ai>
Subject: [PATCH 9/9] habanalabs: extend busy engines mask to 64 bits

From: farah kassabri <fkassabri@...ana.ai>

change busy engines bitmask to 64 bits in order to represent
more engines, needed for future ASIC support.

Signed-off-by: farah kassabri <fkassabri@...ana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@...il.com>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/common/habanalabs.h       | 2 +-
 drivers/misc/habanalabs/common/habanalabs_ioctl.c | 2 +-
 drivers/misc/habanalabs/gaudi/gaudi.c             | 2 +-
 drivers/misc/habanalabs/goya/goya.c               | 2 +-
 include/uapi/misc/habanalabs.h                    | 6 ++++++
 5 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h
index 2decf7be3e08..dbf214421ae1 100644
--- a/drivers/misc/habanalabs/common/habanalabs.h
+++ b/drivers/misc/habanalabs/common/habanalabs.h
@@ -754,7 +754,7 @@ struct hl_asic_funcs {
 	void (*set_clock_gating)(struct hl_device *hdev);
 	void (*disable_clock_gating)(struct hl_device *hdev);
 	int (*debug_coresight)(struct hl_device *hdev, void *data);
-	bool (*is_device_idle)(struct hl_device *hdev, u32 *mask,
+	bool (*is_device_idle)(struct hl_device *hdev, u64 *mask,
 				struct seq_file *s);
 	int (*soft_reset_late_init)(struct hl_device *hdev);
 	void (*hw_queues_lock)(struct hl_device *hdev);
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
index fe6c5534d378..a94800014243 100644
--- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
@@ -132,7 +132,7 @@ static int hw_idle(struct hl_device *hdev, struct hl_info_args *args)
 		return -EINVAL;
 
 	hw_idle.is_idle = hdev->asic_funcs->is_device_idle(hdev,
-					&hw_idle.busy_engines_mask, NULL);
+					&hw_idle.busy_engines_mask_ext, NULL);
 
 	return copy_to_user(out, &hw_idle,
 		min((size_t) max_size, sizeof(hw_idle))) ? -EFAULT : 0;
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 3360c3c207a9..e56f95e6c741 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -6041,7 +6041,7 @@ static int gaudi_armcp_info_get(struct hl_device *hdev)
 	return 0;
 }
 
-static bool gaudi_is_device_idle(struct hl_device *hdev, u32 *mask,
+static bool gaudi_is_device_idle(struct hl_device *hdev, u64 *mask,
 					struct seq_file *s)
 {
 	struct gaudi_device *gaudi = hdev->asic_specific;
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 77a5963a4d10..021cd26fb018 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -5117,7 +5117,7 @@ static void goya_disable_clock_gating(struct hl_device *hdev)
 	/* clock gating not supported in Goya */
 }
 
-static bool goya_is_device_idle(struct hl_device *hdev, u32 *mask,
+static bool goya_is_device_idle(struct hl_device *hdev, u64 *mask,
 				struct seq_file *s)
 {
 	const char *fmt = "%-5d%-9s%#-14x%#-16x%#x\n";
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index ca6dc1fc250e..693081728ef3 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -319,6 +319,12 @@ struct hl_info_hw_idle {
 	 * Bits definition is according to `enum <chip>_enging_id'.
 	 */
 	__u32 busy_engines_mask;
+
+	/*
+	 * Extended Bitmask of busy engines.
+	 * Bits definition is according to `enum <chip>_enging_id'.
+	 */
+	__u64 busy_engines_mask_ext;
 };
 
 struct hl_info_device_status {
-- 
2.17.1