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, 200 deletions

diff --git a/drivers/net/enic/vnic_wq.c b/drivers/net/enic/vnic_wq.c
deleted file mode 100644
index df61bd9..0000000
--- a/drivers/net/enic/vnic_wq.c
+++ /dev/null
@@ -1,200 +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_wq.h"
-
-static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
-{
-	struct vnic_wq_buf *buf;
-	struct vnic_dev *vdev;
-	unsigned int i, j, count = wq->ring.desc_count;
-	unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count);
-
-	vdev = wq->vdev;
-
-	for (i = 0; i < blks; i++) {
-		wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_ATOMIC);
-		if (!wq->bufs[i]) {
-			pr_err("Failed to alloc wq_bufs\n");
-			return -ENOMEM;
-		}
-	}
-
-	for (i = 0; i < blks; i++) {
-		buf = wq->bufs[i];
-		for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES(count); j++) {
-			buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES(count) + j;
-			buf->desc = (u8 *)wq->ring.descs +
-				wq->ring.desc_size * buf->index;
-			if (buf->index + 1 == count) {
-				buf->next = wq->bufs[0];
-				break;
-			} else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES(count)) {
-				buf->next = wq->bufs[i + 1];
-			} else {
-				buf->next = buf + 1;
-				buf++;
-			}
-		}
-	}
-
-	wq->to_use = wq->to_clean = wq->bufs[0];
-
-	return 0;
-}
-
-void vnic_wq_free(struct vnic_wq *wq)
-{
-	struct vnic_dev *vdev;
-	unsigned int i;
-
-	vdev = wq->vdev;
-
-	vnic_dev_free_desc_ring(vdev, &wq->ring);
-
-	for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) {
-		if (wq->bufs[i]) {
-			kfree(wq->bufs[i]);
-			wq->bufs[i] = NULL;
-		}
-	}
-
-	wq->ctrl = NULL;
-}
-
-int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
-	unsigned int desc_count, unsigned int desc_size)
-{
-	int err;
-
-	wq->index = index;
-	wq->vdev = vdev;
-
-	wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
-	if (!wq->ctrl) {
-		pr_err("Failed to hook WQ[%d] resource\n", index);
-		return -EINVAL;
-	}
-
-	vnic_wq_disable(wq);
-
-	err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
-	if (err)
-		return err;
-
-	err = vnic_wq_alloc_bufs(wq);
-	if (err) {
-		vnic_wq_free(wq);
-		return err;
-	}
-
-	return 0;
-}
-
-static void vnic_wq_init_start(struct vnic_wq *wq, 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 = wq->ring.desc_count;
-
-	paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
-	writeq(paddr, &wq->ctrl->ring_base);
-	iowrite32(count, &wq->ctrl->ring_size);
-	iowrite32(fetch_index, &wq->ctrl->fetch_index);
-	iowrite32(posted_index, &wq->ctrl->posted_index);
-	iowrite32(cq_index, &wq->ctrl->cq_index);
-	iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
-	iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
-	iowrite32(0, &wq->ctrl->error_status);
-
-	wq->to_use = wq->to_clean =
-		&wq->bufs[fetch_index / VNIC_WQ_BUF_BLK_ENTRIES(count)]
-			[fetch_index % VNIC_WQ_BUF_BLK_ENTRIES(count)];
-}
-
-void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
-	unsigned int error_interrupt_enable,
-	unsigned int error_interrupt_offset)
-{
-	vnic_wq_init_start(wq, cq_index, 0, 0,
-		error_interrupt_enable,
-		error_interrupt_offset);
-}
-
-unsigned int vnic_wq_error_status(struct vnic_wq *wq)
-{
-	return ioread32(&wq->ctrl->error_status);
-}
-
-void vnic_wq_enable(struct vnic_wq *wq)
-{
-	iowrite32(1, &wq->ctrl->enable);
-}
-
-int vnic_wq_disable(struct vnic_wq *wq)
-{
-	unsigned int wait;
-
-	iowrite32(0, &wq->ctrl->enable);
-
-	/* Wait for HW to ACK disable request */
-	for (wait = 0; wait < 1000; wait++) {
-		if (!(ioread32(&wq->ctrl->running)))
-			return 0;
-		udelay(10);
-	}
-
-	pr_err("Failed to disable WQ[%d]\n", wq->index);
-
-	return -ETIMEDOUT;
-}
-
-void vnic_wq_clean(struct vnic_wq *wq,
-	void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf))
-{
-	struct vnic_wq_buf *buf;
-
-	buf = wq->to_clean;
-
-	while (vnic_wq_desc_used(wq) > 0) {
-
-		(*buf_clean)(wq, buf);
-
-		buf = wq->to_clean = buf->next;
-		wq->ring.desc_avail++;
-	}
-
-	wq->to_use = wq->to_clean = wq->bufs[0];
-
-	iowrite32(0, &wq->ctrl->fetch_index);
-	iowrite32(0, &wq->ctrl->posted_index);
-	iowrite32(0, &wq->ctrl->error_status);
-
-	vnic_dev_clear_desc_ring(&wq->ring);
-}