linux-kernel - [PATCH] habanalabs: pass device pointer to asic-specific function

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Message-Id: <20190512190032.31443-1-oded.gabbay@gmail.com>
Date:   Sun, 12 May 2019 22:00:32 +0300
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org
Subject: [PATCH] habanalabs: pass device pointer to asic-specific function

This patch adds a new parameter that is passed to the
add_end_of_cb_packets() asic-specific function.

The parameter is the pointer to the driver's device structure. The
function needs this pointer for future ASICs.

Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/goya/goya.c  | 4 ++--
 drivers/misc/habanalabs/goya/goyaP.h | 4 ++--
 drivers/misc/habanalabs/habanalabs.h | 5 +++--
 drivers/misc/habanalabs/hw_queue.c   | 2 +-
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index ffc7997d4898..0c8e8bc7fb6e 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -3888,8 +3888,8 @@ int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser)
 		return goya_parse_cb_no_mmu(hdev, parser);
 }
 
-void goya_add_end_of_cb_packets(u64 kernel_address, u32 len, u64 cq_addr,
-				u32 cq_val, u32 msix_vec)
+void goya_add_end_of_cb_packets(struct hl_device *hdev, u64 kernel_address,
+				u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec)
 {
 	struct packet_msg_prot *cq_pkt;
 	u32 tmp;
diff --git a/drivers/misc/habanalabs/goya/goyaP.h b/drivers/misc/habanalabs/goya/goyaP.h
index c83cab0d641e..066b1d306977 100644
--- a/drivers/misc/habanalabs/goya/goyaP.h
+++ b/drivers/misc/habanalabs/goya/goyaP.h
@@ -214,8 +214,8 @@ int goya_resume(struct hl_device *hdev);
 void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry);
 void *goya_get_events_stat(struct hl_device *hdev, u32 *size);
 
-void goya_add_end_of_cb_packets(u64 kernel_address, u32 len, u64 cq_addr,
-				u32 cq_val, u32 msix_vec);
+void goya_add_end_of_cb_packets(struct hl_device *hdev, u64 kernel_address,
+				u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec);
 int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser);
 void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id,
 				dma_addr_t *dma_handle,	u16 *queue_len);
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h
index 00b3339f4828..2941838c04c1 100644
--- a/drivers/misc/habanalabs/habanalabs.h
+++ b/drivers/misc/habanalabs/habanalabs.h
@@ -543,8 +543,9 @@ struct hl_asic_funcs {
 				enum dma_data_direction dir);
 	u32 (*get_dma_desc_list_size)(struct hl_device *hdev,
 					struct sg_table *sgt);
-	void (*add_end_of_cb_packets)(u64 kernel_address, u32 len, u64 cq_addr,
-					u32 cq_val, u32 msix_num);
+	void (*add_end_of_cb_packets)(struct hl_device *hdev,
+					u64 kernel_address, u32 len,
+					u64 cq_addr, u32 cq_val, u32 msix_num);
 	void (*update_eq_ci)(struct hl_device *hdev, u32 val);
 	int (*context_switch)(struct hl_device *hdev, u32 asid);
 	void (*restore_phase_topology)(struct hl_device *hdev);
diff --git a/drivers/misc/habanalabs/hw_queue.c b/drivers/misc/habanalabs/hw_queue.c
index 2894d8975933..e3b5517897ea 100644
--- a/drivers/misc/habanalabs/hw_queue.c
+++ b/drivers/misc/habanalabs/hw_queue.c
@@ -265,7 +265,7 @@ static void ext_hw_queue_schedule_job(struct hl_cs_job *job)
 	cq = &hdev->completion_queue[q->hw_queue_id];
 	cq_addr = cq->bus_address + cq->pi * sizeof(struct hl_cq_entry);
 
-	hdev->asic_funcs->add_end_of_cb_packets(cb->kernel_address, len,
+	hdev->asic_funcs->add_end_of_cb_packets(hdev, cb->kernel_address, len,
 						cq_addr,
 						__le32_to_cpu(cq_pkt.data),
 						q->hw_queue_id);
-- 
2.17.1