#include <dirent.h>
#include <sys/eventfd.h>
+#include <eal_filesystem.h>
#include <rte_mbuf.h>
#include <rte_ethdev.h>
#include <rte_malloc.h>
#include "rte_fslmc.h"
#include "fslmc_vfio.h"
+#include <mc/fsl_dpmng.h>
#include "portal/dpaa2_hw_pvt.h"
#include "portal/dpaa2_hw_dpio.h"
#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;
}
/*
{
int64_t v_addr;
char *dev_name;
+ struct fsl_mc_io dpmng = {0};
+ struct mc_version mc_ver_info = {0};
rte_mcp_ptr_list = malloc(sizeof(void *) * 1);
if (!rte_mcp_ptr_list) {
return -1;
}
+ /* check the MC version compatibility */
+ dpmng.regs = (void *)v_addr;
+ if (mc_get_version(&dpmng, CMD_PRI_LOW, &mc_ver_info))
+ RTE_LOG(WARNING, PMD, "\tmc_get_version failed\n");
+
+ if ((mc_ver_info.major != MC_VER_MAJOR) ||
+ (mc_ver_info.minor < MC_VER_MINOR)) {
+ RTE_LOG(ERR, PMD, "DPAA2 MC version not compatible!"
+ " Expected %d.%d.x, Detected %d.%d.%d\n",
+ MC_VER_MAJOR, MC_VER_MINOR,
+ mc_ver_info.major, mc_ver_info.minor,
+ mc_ver_info.revision);
+ free(rte_mcp_ptr_list);
+ rte_mcp_ptr_list = NULL;
+ return -1;
+ }
rte_mcp_ptr_list[0] = (void *)v_addr;
return 0;