62 void vnic_wq_free(struct vnic_wq *wq) {  in vnic_wq_free()  argument
63 	vnic_dev_free_desc_ring(wq->vdev, &wq->ring);  in vnic_wq_free()
64 	wq->ctrl = NULL;  in vnic_wq_free()
67 int enic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq,  in enic_wq_devcmd2_alloc()  argument
72 	wq->index = 0;  in enic_wq_devcmd2_alloc()
73 	wq->vdev = vdev;  in enic_wq_devcmd2_alloc()
76 	wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD2, 0);  in enic_wq_devcmd2_alloc()
77 	if (!wq->ctrl)  in enic_wq_devcmd2_alloc()
79 	vnic_wq_disable(wq);  in enic_wq_devcmd2_alloc()
80 	err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);  in enic_wq_devcmd2_alloc()
88 		vnic_wq_disable(&vdev->devcmd2->wq);  in vnic_dev_deinit_devcmd2()
90 			vnic_wq_free(&vdev->devcmd2->wq);  in vnic_dev_deinit_devcmd2()
106 void enic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index,  in enic_wq_init_start()  argument
112 	unsigned int count = wq->ring.desc_count;  in enic_wq_init_start()
114 	paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;  in enic_wq_init_start()
115 	ENIC_BUS_WRITE_8(wq->ctrl, TX_RING_BASE, paddr);  in enic_wq_init_start()
116 	ENIC_BUS_WRITE_4(wq->ctrl, TX_RING_SIZE, count);  in enic_wq_init_start()
117 	ENIC_BUS_WRITE_4(wq->ctrl, TX_FETCH_INDEX, fetch_index);  in enic_wq_init_start()
118 	ENIC_BUS_WRITE_4(wq->ctrl, TX_POSTED_INDEX, posted_index);  in enic_wq_init_start()
119 	ENIC_BUS_WRITE_4(wq->ctrl, TX_CQ_INDEX, cq_index);  in enic_wq_init_start()
120 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ERROR_INTR_ENABLE, error_interrupt_enable);  in enic_wq_init_start()
121 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ERROR_INTR_OFFSET, error_interrupt_offset);  in enic_wq_init_start()
122 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ERROR_STATUS, 0);  in enic_wq_init_start()
124 	wq->head_idx = fetch_index;  in enic_wq_init_start()
125 	wq->tail_idx = wq->head_idx;  in enic_wq_init_start()
128 void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,  in vnic_wq_init()  argument
132 	enic_wq_init_start(wq, cq_index, 0, 0,  in vnic_wq_init()
135 	wq->cq_pend = 0;  in vnic_wq_init()
136 	wq->last_completed_index = 0;  in vnic_wq_init()
139 unsigned int vnic_wq_error_status(struct vnic_wq *wq)  in vnic_wq_error_status()  argument
141 	return (ENIC_BUS_READ_4(wq->ctrl, TX_ERROR_STATUS));  in vnic_wq_error_status()
144 void vnic_wq_enable(struct vnic_wq *wq)  in vnic_wq_enable()  argument
146 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ENABLE, 1);  in vnic_wq_enable()
149 int vnic_wq_disable(struct vnic_wq *wq)  in vnic_wq_disable()  argument
153 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ENABLE, 0);  in vnic_wq_disable()
157 		if (!(ENIC_BUS_READ_4(wq->ctrl, TX_RUNNING)))  in vnic_wq_disable()
162 	pr_err("Failed to disable WQ[%d]\n", wq->index);  in vnic_wq_disable()
167 void vnic_wq_clean(struct vnic_wq *wq)  in vnic_wq_clean()  argument
169 	unsigned int  to_clean = wq->tail_idx;  in vnic_wq_clean()
171 	while (vnic_wq_desc_used(wq) > 0) {  in vnic_wq_clean()
172 		to_clean = buf_idx_incr(wq->ring.desc_count, to_clean);  in vnic_wq_clean()
173 		wq->ring.desc_avail++;  in vnic_wq_clean()
176 	wq->head_idx = 0;  in vnic_wq_clean()
177 	wq->tail_idx = 0;  in vnic_wq_clean()
178 	wq->last_completed_index = 0;  in vnic_wq_clean()
180 	ENIC_BUS_WRITE_4(wq->ctrl, TX_FETCH_INDEX, 0);  in vnic_wq_clean()
181 	ENIC_BUS_WRITE_4(wq->ctrl, TX_POSTED_INDEX, 0);  in vnic_wq_clean()
182 	ENIC_BUS_WRITE_4(wq->ctrl, TX_ERROR_STATUS, 0);  in vnic_wq_clean()