From: Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>
To: dev@dpdk.org
Cc: reshma.pattan@intel.com, jananeex.m.parthasarathy@intel.com,
anatoly.burakov@intel.com,
Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>
Subject: [dpdk-dev] [PATCH v4 3/4] lib/eal: add API to check iommu type is set
Date: Wed, 4 Sep 2019 13:04:41 +0100 [thread overview]
Message-ID: <1567598682-2225-4-git-send-email-tallurix.chaitanya.babu@intel.com> (raw)
In-Reply-To: <1566907031-2105-1-git-send-email-tallurix.chaitanya.babu@intel.com>
Add rte_vfio_iommu_type_is_set() to check IOMMU
type for default container.
Signed-off-by: Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>
---
lib/librte_eal/common/include/rte_vfio.h | 11 +++++++++++
lib/librte_eal/linux/eal/eal_vfio.c | 16 ++++++++++++++++
lib/librte_eal/rte_eal_version.map | 3 +++
3 files changed, 30 insertions(+)
diff --git a/lib/librte_eal/common/include/rte_vfio.h b/lib/librte_eal/common/include/rte_vfio.h
index b360485fa..e3f80f772 100644
--- a/lib/librte_eal/common/include/rte_vfio.h
+++ b/lib/librte_eal/common/include/rte_vfio.h
@@ -397,6 +397,17 @@ int
rte_vfio_container_dma_unmap(int container_fd, uint64_t vaddr,
uint64_t iova, uint64_t len);
+/**
+ * Check VFIO IOMMU Type is set for default container.
+ *
+ * @return
+ * 0 if successful
+ * <0 if failed
+ */
+__rte_experimental
+int
+rte_vfio_iommu_type_is_set(void);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/librte_eal/linux/eal/eal_vfio.c b/lib/librte_eal/linux/eal/eal_vfio.c
index 04c284cb2..a5bb1cff4 100644
--- a/lib/librte_eal/linux/eal/eal_vfio.c
+++ b/lib/librte_eal/linux/eal/eal_vfio.c
@@ -2071,6 +2071,17 @@ rte_vfio_container_dma_unmap(int container_fd, uint64_t vaddr, uint64_t iova,
return container_dma_unmap(vfio_cfg, vaddr, iova, len);
}
+int
+rte_vfio_iommu_type_is_set(void)
+{
+ if (vfio_get_iommu_type() < 0) {
+ RTE_LOG(ERR, EAL, "VFIO IOMMU Type is not set\n");
+ return -1;
+ }
+
+ return 0;
+}
+
#else
int
@@ -2191,4 +2202,9 @@ rte_vfio_container_dma_unmap(__rte_unused int container_fd,
return -1;
}
+int
+rte_vfio_iommu_type_is_set(void)
+{
+ return -1;
+}
#endif /* VFIO_PRESENT */
diff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map
index 7cbf82d37..5b1ba6fbd 100644
--- a/lib/librte_eal/rte_eal_version.map
+++ b/lib/librte_eal/rte_eal_version.map
@@ -419,4 +419,7 @@ EXPERIMENTAL {
rte_mcfg_timer_lock;
rte_mcfg_timer_unlock;
rte_rand_max;
+
+ # added in 19.11
+ rte_vfio_iommu_type_is_set;
};
--
2.17.2
next prev parent reply other threads:[~2019-09-04 12:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-21 13:02 [dpdk-dev] [PATCH 0/3] add unit tests for eal vfio library Chaitanya Babu Talluri
2019-08-21 13:02 ` [dpdk-dev] [PATCH 1/3] lib/eal: fix vfio unmap that fails unexpectedly Chaitanya Babu Talluri
2019-08-21 13:20 ` Burakov, Anatoly
2019-08-21 13:02 ` [dpdk-dev] [PATCH 2/3] lib/eal: fix vfio unmap that succeeds unexpectedly Chaitanya Babu Talluri
2019-08-21 13:24 ` Burakov, Anatoly
2019-08-21 13:02 ` [dpdk-dev] [PATCH 3/3] app/test: add unit tests for eal vfio Chaitanya Babu Talluri
2019-08-21 15:44 ` Aaron Conole
2019-08-22 7:18 ` Chaitanya Babu, TalluriX
2019-08-22 10:57 ` Burakov, Anatoly
2019-08-22 14:40 ` Aaron Conole
2019-08-22 11:53 ` [dpdk-dev] [PATCH v2 0/3] add unit tests for eal vfio library Chaitanya Babu Talluri
2019-08-27 11:57 ` [dpdk-dev] [PATCH v3 0/4] " Chaitanya Babu Talluri
2019-09-04 12:04 ` [dpdk-dev] [PATCH v4 " Chaitanya Babu Talluri
2019-09-23 15:56 ` Burakov, Anatoly
2023-06-14 19:37 ` Stephen Hemminger
2019-09-04 12:04 ` [dpdk-dev] [PATCH v4 1/4] lib/eal: fix vfio unmap that fails unexpectedly Chaitanya Babu Talluri
2019-09-04 12:04 ` [dpdk-dev] [PATCH v4 2/4] lib/eal: fix vfio unmap that succeeds unexpectedly Chaitanya Babu Talluri
2019-09-04 12:04 ` Chaitanya Babu Talluri [this message]
2019-09-04 12:04 ` [dpdk-dev] [PATCH v4 4/4] app/test: add unit tests for eal vfio Chaitanya Babu Talluri
2019-08-27 11:57 ` [dpdk-dev] [PATCH v3 1/4] lib/eal: fix vfio unmap that fails unexpectedly Chaitanya Babu Talluri
2019-08-27 11:57 ` [dpdk-dev] [PATCH v3 2/4] lib/eal: fix vfio unmap that succeeds unexpectedly Chaitanya Babu Talluri
2019-08-27 11:57 ` [dpdk-dev] [PATCH v3 3/4] lib/eal: add API to check iommu type is set Chaitanya Babu Talluri
2019-08-27 11:57 ` [dpdk-dev] [PATCH v3 4/4] app/test: add unit tests for eal vfio Chaitanya Babu Talluri
2019-08-22 11:53 ` [dpdk-dev] [PATCH v2 1/3] lib/eal: fix vfio unmap that fails unexpectedly Chaitanya Babu Talluri
2019-08-22 11:53 ` [dpdk-dev] [PATCH v2 2/3] lib/eal: fix vfio unmap that succeeds unexpectedly Chaitanya Babu Talluri
2019-08-22 11:53 ` [dpdk-dev] [PATCH v2 3/3] app/test: add unit tests for eal vfio Chaitanya Babu Talluri
2019-08-22 12:15 ` Burakov, Anatoly
2019-08-23 7:57 ` Chaitanya Babu, TalluriX
2019-08-23 9:12 ` Burakov, Anatoly
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