-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
- * Copyright 2016 NXP.
+ * Copyright 2016 NXP
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Freescale Semiconductor, Inc nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <dirent.h>
#include <sys/eventfd.h>
+#include <eal_filesystem.h>
#include <rte_mbuf.h>
#include <rte_ethdev.h>
#include <rte_malloc.h>
dma_map.size = memseg[i].len;
dma_map.vaddr = memseg[i].addr_64;
#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
- dma_map.iova = memseg[i].phys_addr;
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ dma_map.iova = dma_map.vaddr;
+ else
+ dma_map.iova = memseg[i].iova;
#else
dma_map.iova = dma_map.vaddr;
#endif
#define IRQ_SET_BUF_LEN (sizeof(struct vfio_irq_set) + sizeof(int))
-int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle,
- uint32_t index)
+int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle, int index)
{
- struct vfio_irq_set *irq_set;
+ int len, ret;
char irq_set_buf[IRQ_SET_BUF_LEN];
- int *fd_ptr, fd, ret;
+ struct vfio_irq_set *irq_set;
+ int *fd_ptr;
+
+ len = sizeof(irq_set_buf);
- /* Prepare vfio_irq_set structure and SET the IRQ in VFIO */
- /* Give the eventfd to VFIO */
- fd = eventfd(0, 0);
irq_set = (struct vfio_irq_set *)irq_set_buf;
- irq_set->argsz = sizeof(irq_set_buf);
+ irq_set->argsz = len;
irq_set->count = 1;
- irq_set->flags = VFIO_IRQ_SET_DATA_EVENTFD |
- VFIO_IRQ_SET_ACTION_TRIGGER;
+ irq_set->flags =
+ VFIO_IRQ_SET_DATA_EVENTFD | VFIO_IRQ_SET_ACTION_TRIGGER;
irq_set->index = index;
irq_set->start = 0;
fd_ptr = (int *)&irq_set->data;
- *fd_ptr = fd;
+ *fd_ptr = intr_handle->fd;
ret = ioctl(intr_handle->vfio_dev_fd, VFIO_DEVICE_SET_IRQS, irq_set);
- if (ret < 0) {
- FSLMC_VFIO_LOG(ERR, "Unable to set IRQ in VFIO, ret: %d\n",
- ret);
- return -1;
+ if (ret) {
+ RTE_LOG(ERR, EAL, "Error:dpaa2 SET IRQs fd=%d, err = %d(%s)\n",
+ intr_handle->fd, errno, strerror(errno));
+ return ret;
}
- /* Set the FD and update the flags */
- intr_handle->fd = fd;
- return 0;
+ return ret;
+}
+
+int rte_dpaa2_intr_disable(struct rte_intr_handle *intr_handle, int index)
+{
+ struct vfio_irq_set *irq_set;
+ char irq_set_buf[IRQ_SET_BUF_LEN];
+ int len, ret;
+
+ len = sizeof(struct vfio_irq_set);
+
+ irq_set = (struct vfio_irq_set *)irq_set_buf;
+ irq_set->argsz = len;
+ irq_set->flags = VFIO_IRQ_SET_DATA_NONE | VFIO_IRQ_SET_ACTION_TRIGGER;
+ irq_set->index = index;
+ irq_set->start = 0;
+ irq_set->count = 0;
+
+ ret = ioctl(intr_handle->vfio_dev_fd, VFIO_DEVICE_SET_IRQS, irq_set);
+ if (ret)
+ RTE_LOG(ERR, EAL,
+ "Error disabling dpaa2 interrupts for fd %d\n",
+ intr_handle->fd);
+
+ return ret;
+}
+
+/* set up interrupt support (but not enable interrupts) */
+int
+rte_dpaa2_vfio_setup_intr(struct rte_intr_handle *intr_handle,
+ int vfio_dev_fd,
+ int num_irqs)
+{
+ int i, ret;
+
+ /* start from MSI-X interrupt type */
+ for (i = 0; i < num_irqs; i++) {
+ struct vfio_irq_info irq_info = { .argsz = sizeof(irq_info) };
+ int fd = -1;
+
+ irq_info.index = i;
+
+ ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq_info);
+ if (ret < 0) {
+ FSLMC_VFIO_LOG(ERR,
+ "cannot get IRQ(%d) info, error %i (%s)",
+ i, errno, strerror(errno));
+ return -1;
+ }
+
+ /* if this vector cannot be used with eventfd,
+ * fail if we explicitly
+ * specified interrupt type, otherwise continue
+ */
+ if ((irq_info.flags & VFIO_IRQ_INFO_EVENTFD) == 0)
+ continue;
+
+ /* set up an eventfd for interrupts */
+ fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+ if (fd < 0) {
+ FSLMC_VFIO_LOG(ERR,
+ "cannot set up eventfd, error %i (%s)\n",
+ errno, strerror(errno));
+ return -1;
+ }
+
+ intr_handle->fd = fd;
+ intr_handle->type = RTE_INTR_HANDLE_VFIO_MSI;
+ intr_handle->vfio_dev_fd = vfio_dev_fd;
+
+ return 0;
+ }
+
+ /* if we're here, we haven't found a suitable interrupt vector */
+ return -1;
}
/*
}
switch (dev->dev_type) {
+ case DPAA2_ETH:
+ rte_dpaa2_vfio_setup_intr(&dev->intr_handle, dev_fd,
+ device_info.num_irqs);
+ break;
case DPAA2_CON:
case DPAA2_IO:
case DPAA2_CI:
if (ret) {
FSLMC_VFIO_LOG(ERR, "VFIO error getting group status");
close(vfio_group.fd);
+ rte_vfio_clear_group(vfio_group.fd);
return ret;
}
if (!(status.flags & VFIO_GROUP_FLAGS_VIABLE)) {
FSLMC_VFIO_LOG(ERR, "VFIO group not viable");
close(vfio_group.fd);
+ rte_vfio_clear_group(vfio_group.fd);
return -EPERM;
}
/* Since Group is VIABLE, Store the groupid */
"Error connecting container with groupid %d",
groupid);
close(vfio_group.fd);
+ rte_vfio_clear_group(vfio_group.fd);
return ret;
}
}
FSLMC_VFIO_LOG(ERR, "Error getting device %s fd from group %d",
g_container, vfio_group.groupid);
close(vfio_group.fd);
+ rte_vfio_clear_group(vfio_group.fd);
return ret;
}
container_device_fd = ret;
git.droids-corp.org / dpdk.git / blobdiff