enic: Move the Cisco driver

Move the Cisco driver into drivers/net/ethernet/cisco/ and make the
necessary Kconfig and Makefile changes.

CC: Christian Benvenuti <benve@cisco.com>
CC: Vasanthy Kolluri <vkolluri@cisco.com>
CC: Roopa Prabhu <roprabhu@cisco.com>
CC: David Wang <dwang2@cisco.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 221 deletions

diff --git a/drivers/net/enic/vnic_rq.c b/drivers/net/enic/vnic_rq.c
deleted file mode 100644
index 34105e0951a5..000000000000
--- a/drivers/net/enic/vnic_rq.c
+++ /dev/null
@@ -1,221 +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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include "vnic_dev.h"
-#include "vnic_rq.h"
-
-static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
-{
-	struct vnic_rq_buf *buf;
-	struct vnic_dev *vdev;
-	unsigned int i, j, count = rq->ring.desc_count;
-	unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count);
-
-	vdev = rq->vdev;
-
-	for (i = 0; i < blks; i++) {
-		rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ(count), GFP_ATOMIC);
-		if (!rq->bufs[i]) {
-			pr_err("Failed to alloc rq_bufs\n");
-			return -ENOMEM;
-		}
-	}
-
-	for (i = 0; i < blks; i++) {
-		buf = rq->bufs[i];
-		for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES(count); j++) {
-			buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES(count) + j;
-			buf->desc = (u8 *)rq->ring.descs +
-				rq->ring.desc_size * buf->index;
-			if (buf->index + 1 == count) {
-				buf->next = rq->bufs[0];
-				break;
-			} else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES(count)) {
-				buf->next = rq->bufs[i + 1];
-			} else {
-				buf->next = buf + 1;
-				buf++;
-			}
-		}
-	}
-
-	rq->to_use = rq->to_clean = rq->bufs[0];
-
-	return 0;
-}
-
-void vnic_rq_free(struct vnic_rq *rq)
-{
-	struct vnic_dev *vdev;
-	unsigned int i;
-
-	vdev = rq->vdev;
-
-	vnic_dev_free_desc_ring(vdev, &rq->ring);
-
-	for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) {
-		if (rq->bufs[i]) {
-			kfree(rq->bufs[i]);
-			rq->bufs[i] = NULL;
-		}
-	}
-
-	rq->ctrl = NULL;
-}
-
-int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
-	unsigned int desc_count, unsigned int desc_size)
-{
-	int err;
-
-	rq->index = index;
-	rq->vdev = vdev;
-
-	rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index);
-	if (!rq->ctrl) {
-		pr_err("Failed to hook RQ[%d] resource\n", index);
-		return -EINVAL;
-	}
-
-	vnic_rq_disable(rq);
-
-	err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size);
-	if (err)
-		return err;
-
-	err = vnic_rq_alloc_bufs(rq);
-	if (err) {
-		vnic_rq_free(rq);
-		return err;
-	}
-
-	return 0;
-}
-
-static void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index,
-	unsigned int fetch_index, unsigned int posted_index,
-	unsigned int error_interrupt_enable,
-	unsigned int error_interrupt_offset)
-{
-	u64 paddr;
-	unsigned int count = rq->ring.desc_count;
-
-	paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET;
-	writeq(paddr, &rq->ctrl->ring_base);
-	iowrite32(count, &rq->ctrl->ring_size);
-	iowrite32(cq_index, &rq->ctrl->cq_index);
-	iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable);
-	iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset);
-	iowrite32(0, &rq->ctrl->dropped_packet_count);
-	iowrite32(0, &rq->ctrl->error_status);
-	iowrite32(fetch_index, &rq->ctrl->fetch_index);
-	iowrite32(posted_index, &rq->ctrl->posted_index);
-
-	rq->to_use = rq->to_clean =
-		&rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)]
-			[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)];
-}
-
-void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
-	unsigned int error_interrupt_enable,
-	unsigned int error_interrupt_offset)
-{
-	u32 fetch_index;
-
-	/* Use current fetch_index as the ring starting point */
-	fetch_index = ioread32(&rq->ctrl->fetch_index);
-
-	if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone  */
-		/* Hardware surprise removal: reset fetch_index */
-		fetch_index = 0;
-	}
-
-	vnic_rq_init_start(rq, cq_index,
-		fetch_index, fetch_index,
-		error_interrupt_enable,
-		error_interrupt_offset);
-}
-
-unsigned int vnic_rq_error_status(struct vnic_rq *rq)
-{
-	return ioread32(&rq->ctrl->error_status);
-}
-
-void vnic_rq_enable(struct vnic_rq *rq)
-{
-	iowrite32(1, &rq->ctrl->enable);
-}
-
-int vnic_rq_disable(struct vnic_rq *rq)
-{
-	unsigned int wait;
-
-	iowrite32(0, &rq->ctrl->enable);
-
-	/* Wait for HW to ACK disable request */
-	for (wait = 0; wait < 1000; wait++) {
-		if (!(ioread32(&rq->ctrl->running)))
-			return 0;
-		udelay(10);
-	}
-
-	pr_err("Failed to disable RQ[%d]\n", rq->index);
-
-	return -ETIMEDOUT;
-}
-
-void vnic_rq_clean(struct vnic_rq *rq,
-	void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf))
-{
-	struct vnic_rq_buf *buf;
-	u32 fetch_index;
-	unsigned int count = rq->ring.desc_count;
-
-	buf = rq->to_clean;
-
-	while (vnic_rq_desc_used(rq) > 0) {
-
-		(*buf_clean)(rq, buf);
-
-		buf = rq->to_clean = buf->next;
-		rq->ring.desc_avail++;
-	}
-
-	/* Use current fetch_index as the ring starting point */
-	fetch_index = ioread32(&rq->ctrl->fetch_index);
-
-	if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone  */
-		/* Hardware surprise removal: reset fetch_index */
-		fetch_index = 0;
-	}
-	rq->to_use = rq->to_clean =
-		&rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)]
-			[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)];
-	iowrite32(fetch_index, &rq->ctrl->posted_index);
-
-	vnic_dev_clear_desc_ring(&rq->ring);
-}
-