* [dpdk-dev] [PATCH 0/2] *** SUBJECT HERE *** @ 2013-07-10 13:14 Damien Millescamps 2013-07-10 13:14 ` [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device Damien Millescamps 2013-07-10 13:14 ` [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads Damien Millescamps 0 siblings, 2 replies; 5+ messages in thread From: Damien Millescamps @ 2013-07-10 13:14 UTC (permalink / raw) To: dev *** BLURB HERE *** Damien Millescamps (2): eal: add flag to force unbind device eal: load libraries before creating threads lib/librte_eal/common/include/rte_pci.h | 2 ++ lib/librte_eal/linuxapp/eal/eal.c | 24 ++++++++++++------------ lib/librte_eal/linuxapp/eal/eal_pci.c | 5 +++++ 3 files changed, 19 insertions(+), 12 deletions(-) -- 1.7.2.5 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device 2013-07-10 13:14 [dpdk-dev] [PATCH 0/2] *** SUBJECT HERE *** Damien Millescamps @ 2013-07-10 13:14 ` Damien Millescamps 2013-07-10 15:52 ` Thomas Monjalon 2013-07-10 13:14 ` [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads Damien Millescamps 1 sibling, 1 reply; 5+ messages in thread From: Damien Millescamps @ 2013-07-10 13:14 UTC (permalink / raw) To: dev Some devices need to be unbound in order to be used via the PMD without kernel module. Signed-off-by: Damien Millescamps <damien.millescamps@6wind.com> --- lib/librte_eal/common/include/rte_pci.h | 2 ++ lib/librte_eal/linuxapp/eal/eal_pci.c | 5 +++++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h index c3937f0..6582c25 100644 --- a/lib/librte_eal/common/include/rte_pci.h +++ b/lib/librte_eal/common/include/rte_pci.h @@ -157,6 +157,8 @@ struct rte_pci_driver { #define RTE_PCI_DRV_NEED_IGB_UIO 0x0001 /** Device driver must be registered several times until failure */ #define RTE_PCI_DRV_MULTIPLE 0x0002 +/** Device needs to be unbound even if no module is provided */ +#define RTE_PCI_DRV_FORCE_UNBIND 0x0004 /** * Probe the PCI bus for registered drivers. diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c index 882fd6f..1d087b8 100644 --- a/lib/librte_eal/linuxapp/eal/eal_pci.c +++ b/lib/librte_eal/linuxapp/eal/eal_pci.c @@ -745,6 +745,11 @@ rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr, struct rte_pci_device *d /* map the NIC resources */ if (pci_uio_map_resource(dev) < 0) return -1; + } else if (dr->drv_flags & RTE_PCI_DRV_FORCE_UNBIND && + rte_eal_process_type() == RTE_PROC_PRIMARY) { + /* unbind current driver, bind ours */ + if (pci_unbind_kernel_driver(dev) < 0) + return -1; } /* reference driver structure */ -- 1.7.2.5 ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device 2013-07-10 13:14 ` [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device Damien Millescamps @ 2013-07-10 15:52 ` Thomas Monjalon 0 siblings, 0 replies; 5+ messages in thread From: Thomas Monjalon @ 2013-07-10 15:52 UTC (permalink / raw) To: Damien Millescamps; +Cc: dev 10/07/2013 15:14, Damien Millescamps : > Some devices need to be unbound in order to be used via the PMD > without kernel module. > > Signed-off-by: Damien Millescamps <damien.millescamps@6wind.com> > --- acked and applied -- Thomas ^ permalink raw reply [flat|nested] 5+ messages in thread
* [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads 2013-07-10 13:14 [dpdk-dev] [PATCH 0/2] *** SUBJECT HERE *** Damien Millescamps 2013-07-10 13:14 ` [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device Damien Millescamps @ 2013-07-10 13:14 ` Damien Millescamps 2013-07-10 15:52 ` Thomas Monjalon 1 sibling, 1 reply; 5+ messages in thread From: Damien Millescamps @ 2013-07-10 13:14 UTC (permalink / raw) To: dev We want the threads to inherit any property that could be set while loading a plugin, such as iopl(). Signed-off-by: Damien Millescamps <damien.millescamps@6wind.com> --- lib/librte_eal/linuxapp/eal/eal.c | 24 ++++++++++++------------ 1 files changed, 12 insertions(+), 12 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 8ef5671..8cb3f69 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -687,6 +687,18 @@ rte_eal_init(int argc, char **argv) if (rte_eal_pci_init() < 0) rte_panic("Cannot init PCI\n"); + TAILQ_FOREACH(solib, &solib_list, next) { + solib->lib_handle = dlopen(solib->name, RTLD_NOW); + if ((solib->lib_handle == NULL) && (solib->name[0] != '/')) { + /* relative path: try again with "./" prefix */ + char sopath[PATH_MAX]; + snprintf(sopath, sizeof(sopath), "./%s", solib->name); + solib->lib_handle = dlopen(sopath, RTLD_NOW); + } + if (solib->lib_handle == NULL) + RTE_LOG(WARNING, EAL, "%s\n", dlerror()); + } + RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n", rte_config.master_lcore, (int)thread_id); @@ -712,18 +724,6 @@ rte_eal_init(int argc, char **argv) eal_thread_init_master(rte_config.master_lcore); - TAILQ_FOREACH(solib, &solib_list, next) { - solib->lib_handle = dlopen(solib->name, RTLD_NOW); - if ((solib->lib_handle == NULL) && (solib->name[0] != '/')) { - /* relative path: try again with "./" prefix */ - char sopath[PATH_MAX]; - snprintf(sopath, sizeof(sopath), "./%s", solib->name); - solib->lib_handle = dlopen(sopath, RTLD_NOW); - } - if (solib->lib_handle == NULL) - RTE_LOG(WARNING, EAL, "%s\n", dlerror()); - } - return fctret; } -- 1.7.2.5 ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads 2013-07-10 13:14 ` [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads Damien Millescamps @ 2013-07-10 15:52 ` Thomas Monjalon 0 siblings, 0 replies; 5+ messages in thread From: Thomas Monjalon @ 2013-07-10 15:52 UTC (permalink / raw) To: Damien Millescamps; +Cc: dev 10/07/2013 15:14, Damien Millescamps : > We want the threads to inherit any property that could be set while > loading a plugin, such as iopl(). > > Signed-off-by: Damien Millescamps <damien.millescamps@6wind.com> > --- acked and applied -- Thomas ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2013-07-10 15:52 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-07-10 13:14 [dpdk-dev] [PATCH 0/2] *** SUBJECT HERE *** Damien Millescamps 2013-07-10 13:14 ` [dpdk-dev] [PATCH 1/2] eal: add flag to force unbind device Damien Millescamps 2013-07-10 15:52 ` Thomas Monjalon 2013-07-10 13:14 ` [dpdk-dev] [PATCH 2/2] eal: load libraries before creating threads Damien Millescamps 2013-07-10 15:52 ` Thomas Monjalon
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