From: Nipun Gupta <nipun.gupta@nxp.com>
To: <dev@dpdk.org>
Cc: <hemant.agrawal@nxp.com>, <jerin.jacob@caviumnetworks.com>,
<harry.van.haaren@intel.com>, <bruce.richardson@intel.com>,
<gage.eads@intel.com>, <shreyansh.jain@nxp.com>,
Nipun Gupta <nipun.gupta@nxp.com>
Subject: [dpdk-dev] [PATCH 17/20] fslmc/bus: add interrupt enabling routine
Date: Thu, 25 May 2017 23:37:48 +0530 [thread overview]
Message-ID: <1495735671-4917-18-git-send-email-nipun.gupta@nxp.com> (raw)
In-Reply-To: <1495735671-4917-1-git-send-email-nipun.gupta@nxp.com>
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
drivers/bus/fslmc/fslmc_vfio.c | 34 ++++++++++++++++++++++++++++++++++
drivers/bus/fslmc/fslmc_vfio.h | 3 +++
2 files changed, 37 insertions(+)
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 07a9278..88cac20 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -362,6 +362,40 @@ static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
}
}
+#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)
+{
+ struct vfio_irq_set *irq_set;
+ char irq_set_buf[IRQ_SET_BUF_LEN];
+ int *fd_ptr, fd, ret;
+
+ /* 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->count = 1;
+ 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;
+
+ 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;
+ }
+
+ /* Set the FD and update the flags */
+ intr_handle->fd = fd;
+ return 0;
+}
+
/* Following function shall fetch total available list of MC devices
* from VFIO container & populate private list of devices and other
* data structures
diff --git a/drivers/bus/fslmc/fslmc_vfio.h b/drivers/bus/fslmc/fslmc_vfio.h
index 7c725f4..ebca2b0 100644
--- a/drivers/bus/fslmc/fslmc_vfio.h
+++ b/drivers/bus/fslmc/fslmc_vfio.h
@@ -90,6 +90,9 @@ int vfio_dmamap_mem_region(
uint64_t iova,
uint64_t size);
+int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle,
+ uint32_t index);
+
int fslmc_vfio_setup_group(void);
int fslmc_vfio_process_group(void);
int rte_fslmc_vfio_dmamap(void);
--
1.9.1
next prev parent reply other threads:[~2017-05-25 18:10 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 18:07 [dpdk-dev] [PATCH 00/20] next-eventdev: NXP DPAA2 eventdev PMD Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 01/20] event/dpaa2: add basic build infrastructure Nipun Gupta
2017-05-31 14:59 ` Jerin Jacob
2017-05-25 18:07 ` [dpdk-dev] [PATCH 02/20] bus/fslmc: generic framework for mc object creation Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 03/20] bus/fslmc: integrating dpio and dpbp to object framework Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 04/20] bus/fslmc: adding basic dpcon support Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 05/20] bus/fslmc: export qbman dqrr funcs for eventdev usages Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 06/20] event/dpaa2: register dpcon as dpaa2 device for bus scan Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 07/20] bus/fslmc: adding basic dpci support Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 08/20] bus/fslmc: register dpci as dpaa2 device for bus scan Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 09/20] bus/fslmc: adding cpu support in stashing config Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 10/20] event/dpaa2: add initialization of event device Nipun Gupta
2017-05-31 15:10 ` Jerin Jacob
2017-06-01 10:25 ` Nipun Gupta
2017-06-01 10:39 ` Jerin Jacob
2017-05-25 18:07 ` [dpdk-dev] [PATCH 11/20] bus/fslmc: add support for static dequeue from portal Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 12/20] event/dpaa2: add configuration functions Nipun Gupta
2017-05-31 15:20 ` Jerin Jacob
2017-05-31 15:29 ` Jerin Jacob
2017-06-01 11:39 ` Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 13/20] bus/fslmc: support enqueue with multiple enqueue descriptors Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 14/20] bus/fslmc: add callback per queue to enable Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 15/20] bus/fslmc: change func argument to const to avoid warning Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 16/20] event/dpaa2: add enqueue and dequeue functionality Nipun Gupta
2017-05-25 18:07 ` Nipun Gupta [this message]
2017-05-25 18:07 ` [dpdk-dev] [PATCH 18/20] bus/fslmc: enable portal interrupt handling Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 19/20] event/dpaa2: handle timeout using interrupts in dequeue Nipun Gupta
2017-05-31 15:49 ` Jerin Jacob
2017-06-01 11:42 ` Nipun Gupta
2017-05-25 18:07 ` [dpdk-dev] [PATCH 20/20] doc: add NXP DPAA2 EVENTDEV details Nipun Gupta
2017-05-31 15:58 ` Jerin Jacob
2017-06-01 12:07 ` Nipun Gupta
2017-05-31 14:50 ` [dpdk-dev] [PATCH 00/20] next-eventdev: NXP DPAA2 eventdev PMD Jerin Jacob
2017-05-31 16:17 ` Thomas Monjalon
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