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| author | Amir Shehata <amir.shehata@intel.com> | 2016-02-22 17:29:05 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-22 18:05:49 -0800 |
| commit | edeb5d8ca515ab5eae62012e2668b41c044fa575 (patch) | |
| tree | cbecdd3d2755e2a4e065e1917d7edc8f0f1ddbc1 /drivers/staging/lustre/lnet/lnet/module.c | |
| parent | 8766cd12e41539cfe97025adbe2ef45ffe0e0bc2 (diff) | |
| download | op-kernel-dev-edeb5d8ca515ab5eae62012e2668b41c044fa575.zip op-kernel-dev-edeb5d8ca515ab5eae62012e2668b41c044fa575.tar.gz | |
staging: lustre: DLC user/kernel space glue code
This is the sixth patch of a set of patches that enables DLC.
This patch enables the user space to call into the kernel space
DLC code. Added handlers in the LNetCtl function to call
the new functions added for Dynamic Lnet Configuration
Signed-off-by: Amir Shehata <amir.shehata@intel.com>
ntel-bug-id: https://jira.hpdd.intel.com/browse/LU-2456
Reviewed-on: http://review.whamcloud.com/8023
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lnet/lnet/module.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/lnet/module.c | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/drivers/staging/lustre/lnet/lnet/module.c b/drivers/staging/lustre/lnet/lnet/module.c index 27213f1..e9b1e69 100644 --- a/drivers/staging/lustre/lnet/lnet/module.c +++ b/drivers/staging/lustre/lnet/lnet/module.c @@ -85,19 +85,79 @@ lnet_unconfigure(void) } static int +lnet_dyn_configure(struct libcfs_ioctl_hdr *hdr) +{ + struct lnet_ioctl_config_data *conf = + (struct lnet_ioctl_config_data *)hdr; + int rc; + + if (conf->cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); + if (!the_lnet.ln_niinit_self) { + rc = -EINVAL; + goto out_unlock; + } + rc = lnet_dyn_add_ni(LUSTRE_SRV_LNET_PID, + conf->cfg_config_u.cfg_net.net_intf, + conf->cfg_config_u.cfg_net.net_peer_timeout, + conf->cfg_config_u.cfg_net.net_peer_tx_credits, + conf->cfg_config_u.cfg_net.net_peer_rtr_credits, + conf->cfg_config_u.cfg_net.net_max_tx_credits); +out_unlock: + mutex_unlock(&lnet_config_mutex); + + return rc; +} + +static int +lnet_dyn_unconfigure(struct libcfs_ioctl_hdr *hdr) +{ + struct lnet_ioctl_config_data *conf = + (struct lnet_ioctl_config_data *)hdr; + int rc; + + if (conf->cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); + if (!the_lnet.ln_niinit_self) { + rc = -EINVAL; + goto out_unlock; + } + rc = lnet_dyn_del_ni(conf->cfg_net); +out_unlock: + mutex_unlock(&lnet_config_mutex); + + return rc; +} + +static int lnet_ioctl(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) { int rc; switch (cmd) { - case IOC_LIBCFS_CONFIGURE: + case IOC_LIBCFS_CONFIGURE: { + struct libcfs_ioctl_data *data = + (struct libcfs_ioctl_data *)hdr; + + if (data->ioc_hdr.ioc_len < sizeof(*data)) + return -EINVAL; + + the_lnet.ln_nis_from_mod_params = data->ioc_flags; return lnet_configure(NULL); + } case IOC_LIBCFS_UNCONFIGURE: return lnet_unconfigure(); case IOC_LIBCFS_ADD_NET: - return LNetCtl(cmd, hdr); + return lnet_dyn_configure(hdr); + + case IOC_LIBCFS_DEL_NET: + return lnet_dyn_unconfigure(hdr); default: /* |
