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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR03MB2691 Subject: [dpdk-dev] [PATCH 01/2] vfio: expose clear group function for internal usages X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" other vfio based module e.g. fslmc will also need to use the clear_group call. So, exposing it and renaming it to *rte_vfio_clear_group* Signed-off-by: Hemant Agrawal --- lib/librte_eal/linuxapp/eal/eal_vfio.c | 18 +++++++++--------- lib/librte_eal/linuxapp/eal/eal_vfio.h | 2 +- lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c | 2 +- lib/librte_eal/rte_eal_version.map | 7 +++++++ 4 files changed, 18 insertions(+), 11 deletions(-) -- 2.7.4 Acked-by: Anatoly Burakov diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c index 58f0123..76184d1 100644 --- a/lib/librte_eal/linuxapp/eal/eal_vfio.c +++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c @@ -226,7 +226,7 @@ vfio_group_device_count(int vfio_group_fd) } int -clear_group(int vfio_group_fd) +rte_vfio_clear_group(int vfio_group_fd) { int i; int socket_fd, ret; @@ -329,12 +329,12 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, RTE_LOG(ERR, EAL, " %s cannot get group status, " "error %i (%s)\n", dev_addr, errno, strerror(errno)); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } else if (!(group_status.flags & VFIO_GROUP_FLAGS_VIABLE)) { RTE_LOG(ERR, EAL, " %s VFIO group is not viable!\n", dev_addr); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } @@ -348,7 +348,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, RTE_LOG(ERR, EAL, " %s cannot add VFIO group to container, " "error %i (%s)\n", dev_addr, errno, strerror(errno)); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } @@ -370,7 +370,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, " %s failed to select IOMMU type\n", dev_addr); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } ret = t->dma_map_func(vfio_cfg.vfio_container_fd); @@ -379,7 +379,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, " %s DMA remapping failed, error %i (%s)\n", dev_addr, errno, strerror(errno)); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } } @@ -395,7 +395,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, RTE_LOG(WARNING, EAL, "Getting a vfio_dev_fd for %s failed\n", dev_addr); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } @@ -407,7 +407,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr, strerror(errno)); close(*vfio_dev_fd); close(vfio_group_fd); - clear_group(vfio_group_fd); + rte_vfio_clear_group(vfio_group_fd); return -1; } vfio_group_device_get(vfio_group_fd); @@ -467,7 +467,7 @@ rte_vfio_release_device(const char *sysfs_base, const char *dev_addr, return -1; } - if (clear_group(vfio_group_fd) < 0) { + if (rte_vfio_clear_group(vfio_group_fd) < 0) { RTE_LOG(INFO, EAL, "Error when clearing group for %s\n", dev_addr); return -1; diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h index ba7892b..12e38cc 100644 --- a/lib/librte_eal/linuxapp/eal/eal_vfio.h +++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h @@ -179,7 +179,7 @@ vfio_get_group_fd(int iommu_group_no); /* remove group fd from internal VFIO group fd array */ int -clear_group(int vfio_group_fd); +rte_vfio_clear_group(int vfio_group_fd); int vfio_mp_sync_setup(void); diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c index b53ed7e..e32f2e3 100644 --- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c +++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c @@ -333,7 +333,7 @@ vfio_mp_sync_thread(void __rte_unused * arg) continue; } - ret = clear_group(vfio_data); + ret = rte_vfio_clear_group(vfio_data); if (ret < 0) vfio_mp_sync_send_request(conn_sock, SOCKET_NO_FD); diff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map index f4f46c1..5af887b 100644 --- a/lib/librte_eal/rte_eal_version.map +++ b/lib/librte_eal/rte_eal_version.map @@ -236,3 +236,10 @@ EXPERIMENTAL { rte_service_start_with_defaults; } DPDK_17.11; + +DPDK_18.02 { + global: + + rte_vfio_clear_group; + +} DPDK_17.11; \ No newline at end of file From patchwork Thu Dec 7 10:28:13 2017 Content-Type: text/plain; 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR03MB2361 Subject: [dpdk-dev] [PATCH 02/2] bus/fslmc: clear the vfio group on error X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Hemant Agrawal --- drivers/bus/fslmc/fslmc_vfio.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.7.4 diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c index 7831201..25c87ad 100644 --- a/drivers/bus/fslmc/fslmc_vfio.c +++ b/drivers/bus/fslmc/fslmc_vfio.c @@ -660,12 +660,14 @@ fslmc_vfio_setup_group(void) 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 */ @@ -680,6 +682,7 @@ fslmc_vfio_setup_group(void) "Error connecting container with groupid %d", groupid); close(vfio_group.fd); + rte_vfio_clear_group(vfio_group.fd); return ret; } } @@ -690,6 +693,7 @@ fslmc_vfio_setup_group(void) 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;