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Diffstat (limited to 'drivers/net/enic/vnic_cq.h')
-rw-r--r--drivers/net/enic/vnic_cq.h114
1 files changed, 0 insertions, 114 deletions
diff --git a/drivers/net/enic/vnic_cq.h b/drivers/net/enic/vnic_cq.h
deleted file mode 100644
index 579315cbe803..000000000000
--- a/drivers/net/enic/vnic_cq.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
- * Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#ifndef _VNIC_CQ_H_
-#define _VNIC_CQ_H_
-
-#include "cq_desc.h"
-#include "vnic_dev.h"
-
-/* Completion queue control */
-struct vnic_cq_ctrl {
- u64 ring_base; /* 0x00 */
- u32 ring_size; /* 0x08 */
- u32 pad0;
- u32 flow_control_enable; /* 0x10 */
- u32 pad1;
- u32 color_enable; /* 0x18 */
- u32 pad2;
- u32 cq_head; /* 0x20 */
- u32 pad3;
- u32 cq_tail; /* 0x28 */
- u32 pad4;
- u32 cq_tail_color; /* 0x30 */
- u32 pad5;
- u32 interrupt_enable; /* 0x38 */
- u32 pad6;
- u32 cq_entry_enable; /* 0x40 */
- u32 pad7;
- u32 cq_message_enable; /* 0x48 */
- u32 pad8;
- u32 interrupt_offset; /* 0x50 */
- u32 pad9;
- u64 cq_message_addr; /* 0x58 */
- u32 pad10;
-};
-
-struct vnic_cq {
- unsigned int index;
- struct vnic_dev *vdev;
- struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */
- struct vnic_dev_ring ring;
- unsigned int to_clean;
- unsigned int last_color;
- unsigned int interrupt_offset;
-};
-
-static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
- unsigned int work_to_do,
- int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
- u8 type, u16 q_number, u16 completed_index, void *opaque),
- void *opaque)
-{
- struct cq_desc *cq_desc;
- unsigned int work_done = 0;
- u16 q_number, completed_index;
- u8 type, color;
-
- cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
- cq->ring.desc_size * cq->to_clean);
- cq_desc_dec(cq_desc, &type, &color,
- &q_number, &completed_index);
-
- while (color != cq->last_color) {
-
- if ((*q_service)(cq->vdev, cq_desc, type,
- q_number, completed_index, opaque))
- break;
-
- cq->to_clean++;
- if (cq->to_clean == cq->ring.desc_count) {
- cq->to_clean = 0;
- cq->last_color = cq->last_color ? 0 : 1;
- }
-
- cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
- cq->ring.desc_size * cq->to_clean);
- cq_desc_dec(cq_desc, &type, &color,
- &q_number, &completed_index);
-
- work_done++;
- if (work_done >= work_to_do)
- break;
- }
-
- return work_done;
-}
-
-void vnic_cq_free(struct vnic_cq *cq);
-int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
- unsigned int desc_count, unsigned int desc_size);
-void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
- unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
- unsigned int cq_tail_color, unsigned int interrupt_enable,
- unsigned int cq_entry_enable, unsigned int message_enable,
- unsigned int interrupt_offset, u64 message_addr);
-void vnic_cq_clean(struct vnic_cq *cq);
-
-#endif /* _VNIC_CQ_H_ */