/* * Support for SATA devices on Serial Attached SCSI (SAS) controllers * * Copyright (C) 2006 IBM Corporation * * Written by: Darrick J. Wong , IBM Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * */ #ifndef _SAS_ATA_H_ #define _SAS_ATA_H_ #include #include #ifdef CONFIG_SCSI_SAS_ATA static inline int dev_is_sata(struct domain_device *dev) { return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM || dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING; } int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy); int sas_ata_init(struct domain_device *dev); void sas_ata_task_abort(struct sas_task *task); void sas_ata_strategy_handler(struct Scsi_Host *shost); void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q); void sas_ata_schedule_reset(struct domain_device *dev); void sas_ata_wait_eh(struct domain_device *dev); void sas_probe_sata(struct asd_sas_port *port); void sas_suspend_sata(struct asd_sas_port *port); void sas_resume_sata(struct asd_sas_port *port); void sas_ata_end_eh(struct ata_port *ap); #else static inline int dev_is_sata(struct domain_device *dev) { return 0; } static inline int sas_ata_init(struct domain_device *dev) { return 0; } static inline void sas_ata_task_abort(struct sas_task *task) { } static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) { } static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q) { } static inline void sas_ata_schedule_reset(struct domain_device *dev) { } static inline void sas_ata_wait_eh(struct domain_device *dev) { } static inline void sas_probe_sata(struct asd_sas_port *port) { } static inline void sas_suspend_sata(struct asd_sas_port *port) { } static inline void sas_resume_sata(struct asd_sas_port *port) { } static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) { return 0; } static inline void sas_ata_end_eh(struct ata_port *ap) { } #endif #endif /* _SAS_ATA_H_ */ ion>space:mode:
authorDaniel Mack <daniel@zonque.org>2016-11-23 16:52:26 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-25 16:25:52 -0500
commit3007098494bec614fb55dee7bc0410bb7db5ad18 (patch)
treeff07e31da90fd790d2ae4f129d04954b70766057
parent0e33661de493db325435d565a4a722120ae4cbf3 (diff)
cgroup: add support for eBPF programs
This patch adds two sets of eBPF program pointers to struct cgroup. One for such that are directly pinned to a cgroup, and one for such that are effective for it. To illustrate the logic behind that, assume the following example cgroup hierarchy. A - B - C \ D - E If only B has a program attached, it will be effective for B, C, D and E. If D then attaches a program itself, that will be effective for both D and E, and the program in B will only affect B and C. Only one program of a given type is effective for a cgroup. Attaching and detaching programs will be done through the bpf(2) syscall. For now, ingress and egress inet socket filtering are the only supported use-cases. Signed-off-by: Daniel Mack <daniel@zonque.org> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>