38 struct qmem {  struct
47 static inline int qmem_alloc(struct device *dev, struct qmem **q,  in qmem_alloc()  argument
50 	struct qmem *qmem;  in qmem_alloc()  local
56 	*q = devm_kzalloc(dev, sizeof(*qmem), GFP_KERNEL);  in qmem_alloc()
59 	qmem = *q;  in qmem_alloc()
61 	qmem->entry_sz = entry_sz;  in qmem_alloc()
62 	qmem->alloc_sz = (qsize * entry_sz) + OTX2_ALIGN;  in qmem_alloc()
63 	qmem->base = dma_alloc_attrs(dev, qmem->alloc_sz, &qmem->iova,  in qmem_alloc()
65 	if (!qmem->base)  in qmem_alloc()
68 	qmem->qsize = qsize;  in qmem_alloc()
70 	aligned_addr = ALIGN((u64)qmem->iova, OTX2_ALIGN);  in qmem_alloc()
71 	qmem->align = (aligned_addr - qmem->iova);  in qmem_alloc()
72 	qmem->base += qmem->align;  in qmem_alloc()
73 	qmem->iova += qmem->align;  in qmem_alloc()
77 static inline void qmem_free(struct device *dev, struct qmem *qmem)  in qmem_free()  argument
79 	if (!qmem)  in qmem_free()
82 	if (qmem->base)  in qmem_free()
83 		dma_free_attrs(dev, qmem->alloc_sz,  in qmem_free()
84 			       qmem->base - qmem->align,  in qmem_free()
85 			       qmem->iova - qmem->align,  in qmem_free()
87 	devm_kfree(dev, qmem);  in qmem_free()
91 	struct qmem	*inst;
92 	struct qmem	*res;