Lines Matching refs:wq
26 static inline int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_get_ctrl() argument
29 wq->ctrl = svnic_dev_get_res(vdev, res_type, index); in vnic_wq_get_ctrl()
30 if (!wq->ctrl) in vnic_wq_get_ctrl()
36 static inline int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_alloc_ring() argument
39 return svnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, in vnic_wq_alloc_ring()
43 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
46 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
50 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); in vnic_wq_alloc_bufs()
51 if (!wq->bufs[i]) { in vnic_wq_alloc_bufs()
59 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
62 buf->desc = (u8 *)wq->ring.descs + in vnic_wq_alloc_bufs()
63 wq->ring.desc_size * buf->index; in vnic_wq_alloc_bufs()
65 buf->next = wq->bufs[0]; in vnic_wq_alloc_bufs()
68 buf->next = wq->bufs[i + 1]; in vnic_wq_alloc_bufs()
76 wq->to_use = wq->to_clean = wq->bufs[0]; in vnic_wq_alloc_bufs()
81 void svnic_wq_free(struct vnic_wq *wq) in svnic_wq_free() argument
86 vdev = wq->vdev; in svnic_wq_free()
88 svnic_dev_free_desc_ring(vdev, &wq->ring); in svnic_wq_free()
91 kfree(wq->bufs[i]); in svnic_wq_free()
92 wq->bufs[i] = NULL; in svnic_wq_free()
95 wq->ctrl = NULL; in svnic_wq_free()
99 int vnic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_devcmd2_alloc() argument
104 wq->index = 0; in vnic_wq_devcmd2_alloc()
105 wq->vdev = vdev; in vnic_wq_devcmd2_alloc()
107 err = vnic_wq_get_ctrl(vdev, wq, 0, RES_TYPE_DEVCMD2); in vnic_wq_devcmd2_alloc()
114 svnic_wq_disable(wq); in vnic_wq_devcmd2_alloc()
116 err = vnic_wq_alloc_ring(vdev, wq, 0, desc_count, desc_size); in vnic_wq_devcmd2_alloc()
123 int svnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, in svnic_wq_alloc() argument
128 wq->index = index; in svnic_wq_alloc()
129 wq->vdev = vdev; in svnic_wq_alloc()
131 err = vnic_wq_get_ctrl(vdev, wq, index, RES_TYPE_WQ); in svnic_wq_alloc()
138 svnic_wq_disable(wq); in svnic_wq_alloc()
140 err = vnic_wq_alloc_ring(vdev, wq, index, desc_count, desc_size); in svnic_wq_alloc()
144 err = vnic_wq_alloc_bufs(wq); in svnic_wq_alloc()
146 svnic_wq_free(wq); in svnic_wq_alloc()
154 void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, in vnic_wq_init_start() argument
160 unsigned int count = wq->ring.desc_count; in vnic_wq_init_start()
162 paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; in vnic_wq_init_start()
163 writeq(paddr, &wq->ctrl->ring_base); in vnic_wq_init_start()
164 iowrite32(count, &wq->ctrl->ring_size); in vnic_wq_init_start()
165 iowrite32(fetch_index, &wq->ctrl->fetch_index); in vnic_wq_init_start()
166 iowrite32(posted_index, &wq->ctrl->posted_index); in vnic_wq_init_start()
167 iowrite32(cq_index, &wq->ctrl->cq_index); in vnic_wq_init_start()
168 iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); in vnic_wq_init_start()
169 iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); in vnic_wq_init_start()
170 iowrite32(0, &wq->ctrl->error_status); in vnic_wq_init_start()
172 wq->to_use = wq->to_clean = in vnic_wq_init_start()
173 &wq->bufs[fetch_index / VNIC_WQ_BUF_BLK_ENTRIES(count)] in vnic_wq_init_start()
177 void svnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, in svnic_wq_init() argument
181 vnic_wq_init_start(wq, cq_index, 0, 0, error_interrupt_enable, in svnic_wq_init()
185 unsigned int svnic_wq_error_status(struct vnic_wq *wq) in svnic_wq_error_status() argument
187 return ioread32(&wq->ctrl->error_status); in svnic_wq_error_status()
190 void svnic_wq_enable(struct vnic_wq *wq) in svnic_wq_enable() argument
192 iowrite32(1, &wq->ctrl->enable); in svnic_wq_enable()
195 int svnic_wq_disable(struct vnic_wq *wq) in svnic_wq_disable() argument
199 iowrite32(0, &wq->ctrl->enable); in svnic_wq_disable()
203 if (!(ioread32(&wq->ctrl->running))) in svnic_wq_disable()
208 pr_err("Failed to disable WQ[%d]\n", wq->index); in svnic_wq_disable()
213 void svnic_wq_clean(struct vnic_wq *wq, in svnic_wq_clean() argument
214 void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)) in svnic_wq_clean() argument
218 BUG_ON(ioread32(&wq->ctrl->enable)); in svnic_wq_clean()
220 buf = wq->to_clean; in svnic_wq_clean()
222 while (svnic_wq_desc_used(wq) > 0) { in svnic_wq_clean()
224 (*buf_clean)(wq, buf); in svnic_wq_clean()
226 buf = wq->to_clean = buf->next; in svnic_wq_clean()
227 wq->ring.desc_avail++; in svnic_wq_clean()
230 wq->to_use = wq->to_clean = wq->bufs[0]; in svnic_wq_clean()
232 iowrite32(0, &wq->ctrl->fetch_index); in svnic_wq_clean()
233 iowrite32(0, &wq->ctrl->posted_index); in svnic_wq_clean()
234 iowrite32(0, &wq->ctrl->error_status); in svnic_wq_clean()
236 svnic_dev_clear_desc_ring(&wq->ring); in svnic_wq_clean()