modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/hns/hns_roce_db.c
..
..
@@ -8,16 +8,19 @@
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8
 #include <rdma/ib_umem.h>
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 #include "hns_roce_device.h"
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10
 
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-int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt,
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+int hns_roce_db_map_user(struct hns_roce_ucontext *context,
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+			 struct ib_udata *udata, unsigned long virt,
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 			 struct hns_roce_db *db)
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 {
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+	unsigned long page_addr = virt & PAGE_MASK;
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 	struct hns_roce_user_db_page *page;
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+	unsigned int offset;
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 	int ret = 0;
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19
 
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 	mutex_lock(&context->page_mutex);
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21
 
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 	list_for_each_entry(page, &context->page_list, list)
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-		if (page->user_virt == (virt & PAGE_MASK))
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+		if (page->user_virt == page_addr)
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 			goto found;
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25
 
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 	page = kmalloc(sizeof(*page), GFP_KERNEL);
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@@ -27,9 +30,9 @@
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 	}
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 	refcount_set(&page->refcount, 1);
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-	page->user_virt = (virt & PAGE_MASK);
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-	page->umem = ib_umem_get(&context->ibucontext, virt & PAGE_MASK,
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-				 PAGE_SIZE, 0, 0);
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+	page->user_virt = page_addr;
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+	page->umem = ib_umem_get(context->ibucontext.device, page_addr,
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+				 PAGE_SIZE, 0);
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 	if (IS_ERR(page->umem)) {
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 		ret = PTR_ERR(page->umem);
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 		kfree(page);
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@@ -39,10 +42,9 @@
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 	list_add(&page->list, &context->page_list);
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43
 
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 found:
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-	db->dma = sg_dma_address(page->umem->sg_head.sgl) +
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-		  (virt & ~PAGE_MASK);
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-	page->umem->sg_head.sgl->offset = virt & ~PAGE_MASK;
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-	db->virt_addr = sg_virt(page->umem->sg_head.sgl);
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+	offset = virt - page_addr;
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+	db->dma = sg_dma_address(page->umem->sg_head.sgl) + offset;
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+	db->virt_addr = sg_virt(page->umem->sg_head.sgl) + offset;
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 	db->u.user_page = page;
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 	refcount_inc(&page->refcount);
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50
 
..
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@@ -51,7 +53,6 @@
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53
 
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 	return ret;
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 }
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-EXPORT_SYMBOL(hns_roce_db_map_user);
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56
 
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 void hns_roce_db_unmap_user(struct hns_roce_ucontext *context,
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 			    struct hns_roce_db *db)
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@@ -67,7 +68,6 @@
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68
 
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 	mutex_unlock(&context->page_mutex);
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 }
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-EXPORT_SYMBOL(hns_roce_db_unmap_user);
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71
 
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 static struct hns_roce_db_pgdir *hns_roce_alloc_db_pgdir(
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 					struct device *dma_device)
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@@ -78,7 +78,8 @@
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 	if (!pgdir)
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 		return NULL;
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-	bitmap_fill(pgdir->order1, HNS_ROCE_DB_PER_PAGE / 2);
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+	bitmap_fill(pgdir->order1,
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+		    HNS_ROCE_DB_PER_PAGE / HNS_ROCE_DB_TYPE_COUNT);
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 	pgdir->bits[0] = pgdir->order0;
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 	pgdir->bits[1] = pgdir->order1;
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 	pgdir->page = dma_alloc_coherent(dma_device, PAGE_SIZE,
..
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@@ -116,7 +117,7 @@
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 	db->u.pgdir	= pgdir;
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 	db->index	= i;
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 	db->db_record	= pgdir->page + db->index;
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-	db->dma		= pgdir->db_dma  + db->index * 4;
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+	db->dma		= pgdir->db_dma  + db->index * HNS_ROCE_DB_UNIT_SIZE;
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 	db->order	= order;
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 	return 0;
..
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@@ -150,7 +151,6 @@
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151
 
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 	return ret;
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 }
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-EXPORT_SYMBOL_GPL(hns_roce_alloc_db);
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154
 
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 void hns_roce_free_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db)
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 {
..
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@@ -170,7 +170,8 @@
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 	i >>= o;
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 	set_bit(i, db->u.pgdir->bits[o]);
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-	if (bitmap_full(db->u.pgdir->order1, HNS_ROCE_DB_PER_PAGE / 2)) {
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+	if (bitmap_full(db->u.pgdir->order1,
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+			HNS_ROCE_DB_PER_PAGE / HNS_ROCE_DB_TYPE_COUNT)) {
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 		dma_free_coherent(hr_dev->dev, PAGE_SIZE, db->u.pgdir->page,
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 				  db->u.pgdir->db_dma);
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 		list_del(&db->u.pgdir->list);
..
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@@ -179,4 +180,3 @@
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180
 
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 	mutex_unlock(&hr_dev->pgdir_mutex);
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 }
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-EXPORT_SYMBOL_GPL(hns_roce_free_db);