From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: <dev@dpdk.org>
Cc: <thomas.monjalon@6wind.com>, <bruce.richardson@intel.com>,
<shreyansh.jain@nxp.com>, <john.mcnamara@intel.com>,
<ferruh.yigit@intel.com>, <jerin.jacob@caviumnetworks.com>
Subject: [dpdk-dev] [PATCH v1 21/22] bus/fslmc: add support for DMA mapping for ARM SMMU
Date: Fri, 17 Mar 2017 18:06:40 +0530 [thread overview]
Message-ID: <1489754201-1027-22-git-send-email-hemant.agrawal@nxp.com> (raw)
In-Reply-To: <1489754201-1027-1-git-send-email-hemant.agrawal@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/bus/fslmc/fslmc_vfio.c | 96 +++++++++++++++++++++++++++++
drivers/bus/fslmc/fslmc_vfio.h | 1 +
drivers/bus/fslmc/rte_bus_fslmc_version.map | 1 +
3 files changed, 98 insertions(+)
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index fc017fc..5f1d1b7 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -76,8 +76,10 @@
static struct fslmc_vfio_group vfio_groups[VFIO_MAX_GRP];
static struct fslmc_vfio_container vfio_containers[VFIO_MAX_CONTAINERS];
static int container_device_fd;
+static uint32_t *msi_intr_vaddr;
void *(*rte_mcp_ptr_list);
static uint32_t mcp_id;
+static int is_dma_done;
static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)
{
@@ -147,6 +149,35 @@ static int vfio_connect_container(struct fslmc_vfio_group *vfio_group)
return 0;
}
+static int vfio_map_irq_region(struct fslmc_vfio_group *group)
+{
+ int ret;
+ unsigned long *vaddr = NULL;
+ struct vfio_iommu_type1_dma_map map = {
+ .argsz = sizeof(map),
+ .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+ .vaddr = 0x6030000,
+ .iova = 0x6030000,
+ .size = 0x1000,
+ };
+
+ vaddr = (unsigned long *)mmap(NULL, 0x1000, PROT_WRITE |
+ PROT_READ, MAP_SHARED, container_device_fd, 0x6030000);
+ if (vaddr == MAP_FAILED) {
+ FSLMC_VFIO_LOG(ERR, "Unable to map region (errno = %d)", errno);
+ return -errno;
+ }
+
+ msi_intr_vaddr = (uint32_t *)((char *)(vaddr) + 64);
+ map.vaddr = (unsigned long)vaddr;
+ ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &map);
+ if (ret == 0)
+ return 0;
+
+ FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA fails (errno = %d)", errno);
+ return -errno;
+}
+
int vfio_dmamap_mem_region(uint64_t vaddr,
uint64_t iova,
uint64_t size)
@@ -170,6 +201,71 @@ int vfio_dmamap_mem_region(uint64_t vaddr,
return 0;
}
+int rte_fslmc_vfio_dmamap(void)
+{
+ int ret;
+ struct fslmc_vfio_group *group;
+ struct vfio_iommu_type1_dma_map dma_map = {
+ .argsz = sizeof(struct vfio_iommu_type1_dma_map),
+ .flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+ };
+
+ int i;
+ const struct rte_memseg *memseg;
+
+ if (is_dma_done)
+ return 0;
+ is_dma_done = 1;
+
+ for (i = 0; i < RTE_MAX_MEMSEG; i++) {
+ memseg = rte_eal_get_physmem_layout();
+ if (memseg == NULL) {
+ FSLMC_VFIO_LOG(ERR, "Cannot get physical layout.");
+ return -ENODEV;
+ }
+
+ if (memseg[i].addr == NULL && memseg[i].len == 0)
+ break;
+
+ 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;
+#else
+ dma_map.iova = dma_map.vaddr;
+#endif
+
+ /* SET DMA MAP for IOMMU */
+ group = &vfio_groups[0];
+
+ if (!group->container) {
+ FSLMC_VFIO_LOG(ERR, "Container is not connected ");
+ return -1;
+ }
+
+ FSLMC_VFIO_LOG(DEBUG, "-->Initial SHM Virtual ADDR %llX",
+ dma_map.vaddr);
+ FSLMC_VFIO_LOG(DEBUG, "-----> DMA size 0x%llX\n", dma_map.size);
+ ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA,
+ &dma_map);
+ if (ret) {
+ FSLMC_VFIO_LOG(ERR, "VFIO_IOMMU_MAP_DMA API"
+ "(errno = %d)", errno);
+ return ret;
+ }
+ FSLMC_VFIO_LOG(DEBUG, "-----> dma_map.vaddr = 0x%llX",
+ dma_map.vaddr);
+ }
+
+ /* TODO - This is a W.A. as VFIO currently does not add the mapping of
+ * the interrupt region to SMMU. This should be removed once the
+ * support is added in the Kernel.
+ */
+ vfio_map_irq_region(group);
+
+ return 0;
+}
+
static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
{
int64_t v_addr = (int64_t)MAP_FAILED;
diff --git a/drivers/bus/fslmc/fslmc_vfio.h b/drivers/bus/fslmc/fslmc_vfio.h
index 80c6869..53dd0b7 100644
--- a/drivers/bus/fslmc/fslmc_vfio.h
+++ b/drivers/bus/fslmc/fslmc_vfio.h
@@ -70,6 +70,7 @@ int vfio_dmamap_mem_region(
int fslmc_vfio_setup_group(void);
int fslmc_vfio_process_group(void);
+int rte_fslmc_vfio_dmamap(void);
/* create dpio device */
int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map
index ed445e2..09c4fac 100644
--- a/drivers/bus/fslmc/rte_bus_fslmc_version.map
+++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map
@@ -41,6 +41,7 @@ DPDK_17.05 {
qbman_swp_send_multiple;
rte_fslmc_driver_register;
rte_fslmc_driver_unregister;
+ rte_fslmc_vfio_dmamap;
rte_mcp_ptr_list;
local: *;
--
1.9.1
next prev parent reply other threads:[~2017-03-17 12:37 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 12:36 [dpdk-dev] [PATCH v1 00/22] NXP DPAA2 FSLMC Bus driver Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 01/22] mk/dpaa2: add the crc support to the machine type Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 02/22] mk: handle intra drivers dependencies for shared build Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 03/22] bus/fslmc: introducing fsl-mc bus driver Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 04/22] bus/fslmc: add QBMAN driver to bus Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 05/22] bus/fslmc: introduce MC object functions Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 06/22] bus/fslmc: add mc dpio object support Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 07/22] bus/fslmc: add mc dpbp " Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 08/22] eal/vfio: adding vfio utility functions in map file Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 09/22] bus/fslmc: add vfio support Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 10/22] bus/fslmc: scan for net and sec device Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 11/22] bus/fslmc: add debug log support Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 12/22] bus/fslmc: dpio portal driver Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 13/22] bus/fslmc: introduce support for hardware mempool object Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 14/22] bus/fslmc: affine dpio to crypto threads Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 15/22] bus/fslmc: define queues for DPAA2 devices Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 16/22] bus/fslmc: define hardware annotation area size Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 17/22] bus/fslmc: introduce true and false macros Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 18/22] bus/fslmc: define VLAN header length Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 19/22] bus/fslmc: add packet FLE definitions Hemant Agrawal
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 20/22] bus/fslmc: add physical-virtual address translation helpers Hemant Agrawal
2017-03-17 12:36 ` Hemant Agrawal [this message]
2017-03-17 12:36 ` [dpdk-dev] [PATCH v1 22/22] bus/fslmc: frame queue based dq storage alloc Hemant Agrawal
2017-03-23 14:32 ` [dpdk-dev] [PATCH v1 00/22] NXP DPAA2 FSLMC Bus driver Ferruh Yigit
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 " Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 01/22] mk/dpaa2: add the crc support to the machine type Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 02/22] mk: handle intra drivers dependencies for shared build Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 03/22] bus/fslmc: introducing fsl-mc bus driver Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 04/22] bus/fslmc: add QBMAN driver to bus Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 05/22] bus/fslmc: introduce MC object functions Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 06/22] bus/fslmc: add mc dpio object support Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 07/22] bus/fslmc: add mc dpbp " Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 08/22] eal/vfio: adding vfio utility functions in map file Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 09/22] bus/fslmc: add vfio support Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 10/22] bus/fslmc: scan for net and sec device Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 11/22] bus/fslmc: add debug log support Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 12/22] bus/fslmc: dpio portal driver Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 13/22] bus/fslmc: introduce support for hardware mempool object Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 14/22] bus/fslmc: affine dpio to crypto threads Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 15/22] bus/fslmc: define queues for DPAA2 devices Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 16/22] bus/fslmc: define hardware annotation area size Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 17/22] bus/fslmc: introduce true and false macros Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 18/22] bus/fslmc: define VLAN header length Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 19/22] bus/fslmc: add packet FLE definitions Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 20/22] bus/fslmc: add physical-virtual address translation helpers Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 21/22] bus/fslmc: add support for DMA mapping for ARM SMMU Hemant Agrawal
2017-03-24 12:41 ` [dpdk-dev] [PATCH v2 22/22] bus/fslmc: frame queue based dq storage alloc Hemant Agrawal
2017-03-24 14:56 ` [dpdk-dev] [PATCH v2 00/22] NXP DPAA2 FSLMC Bus driver Ferruh Yigit
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