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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-07 17:30:44 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-07 17:30:44 -0800
commitc8b6de16d9434405e5832b8772e4f986ddd5118e (patch)
tree03d5d92be22e83778e3cf1367f8b6847eb953eb6 /include/linux
parenta6a852e93705121e2b90bd41ad50e85a508699aa (diff)
parent8e31e607ea050c0df1483d8b6cdd5b1395c03cbe (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (48 commits) [SCSI] aacraid: do not set valid bit in sense information [SCSI] ses: add new Enclosure ULD [SCSI] enclosure: add support for enclosure services [SCSI] sr: fix test unit ready responses [SCSI] u14-34f: fix data direction bug [SCSI] aacraid: pci_set_dma_max_seg_size opened up for late model controllers [SCSI] fix BUG when sum(scatterlist) > bufflen [SCSI] arcmsr: updates (1.20.00.15) [SCSI] advansys: make 3 functions static [SCSI] Small cleanups for scsi_host.h [SCSI] dc395x: fix uninitialized var warning [SCSI] NCR53C9x: remove driver [SCSI] remove m68k NCR53C9x based drivers [SCSI] dec_esp: Remove driver [SCSI] kernel-doc: fix scsi docbook [SCSI] update my email address [SCSI] add protocol definitions [SCSI] sd: handle bad lba in sense information [SCSI] qla2xxx: Update version number to 8.02.00-k8. [SCSI] qla2xxx: Correct issue where incorrect init-fw mailbox command was used on non-NPIV capable ISPs. ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/enclosure.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
new file mode 100644
index 000000000000..a5978f18ca40
--- /dev/null
+++ b/include/linux/enclosure.h
@@ -0,0 +1,129 @@
+/*
+ * Enclosure Services
+ *
+ * Copyright (C) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
+ *
+**-----------------------------------------------------------------------------
+**
+** This program is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License
+** version 2 as published by the Free Software Foundation.
+**
+** 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+**-----------------------------------------------------------------------------
+*/
+#ifndef _LINUX_ENCLOSURE_H_
+#define _LINUX_ENCLOSURE_H_
+
+#include <linux/device.h>
+#include <linux/list.h>
+
+/* A few generic types ... taken from ses-2 */
+enum enclosure_component_type {
+ ENCLOSURE_COMPONENT_DEVICE = 0x01,
+ ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
+};
+
+/* ses-2 common element status */
+enum enclosure_status {
+ ENCLOSURE_STATUS_UNSUPPORTED = 0,
+ ENCLOSURE_STATUS_OK,
+ ENCLOSURE_STATUS_CRITICAL,
+ ENCLOSURE_STATUS_NON_CRITICAL,
+ ENCLOSURE_STATUS_UNRECOVERABLE,
+ ENCLOSURE_STATUS_NOT_INSTALLED,
+ ENCLOSURE_STATUS_UNKNOWN,
+ ENCLOSURE_STATUS_UNAVAILABLE,
+};
+
+/* SFF-8485 activity light settings */
+enum enclosure_component_setting {
+ ENCLOSURE_SETTING_DISABLED = 0,
+ ENCLOSURE_SETTING_ENABLED = 1,
+ ENCLOSURE_SETTING_BLINK_A_ON_OFF = 2,
+ ENCLOSURE_SETTING_BLINK_A_OFF_ON = 3,
+ ENCLOSURE_SETTING_BLINK_B_ON_OFF = 6,
+ ENCLOSURE_SETTING_BLINK_B_OFF_ON = 7,
+};
+
+struct enclosure_device;
+struct enclosure_component;
+struct enclosure_component_callbacks {
+ void (*get_status)(struct enclosure_device *,
+ struct enclosure_component *);
+ int (*set_status)(struct enclosure_device *,
+ struct enclosure_component *,
+ enum enclosure_status);
+ void (*get_fault)(struct enclosure_device *,
+ struct enclosure_component *);
+ int (*set_fault)(struct enclosure_device *,
+ struct enclosure_component *,
+ enum enclosure_component_setting);
+ void (*get_active)(struct enclosure_device *,
+ struct enclosure_component *);
+ int (*set_active)(struct enclosure_device *,
+ struct enclosure_component *,
+ enum enclosure_component_setting);
+ void (*get_locate)(struct enclosure_device *,
+ struct enclosure_component *);
+ int (*set_locate)(struct enclosure_device *,
+ struct enclosure_component *,
+ enum enclosure_component_setting);
+};
+
+
+struct enclosure_component {
+ void *scratch;
+ struct class_device cdev;
+ enum enclosure_component_type type;
+ int number;
+ int fault;
+ int active;
+ int locate;
+ enum enclosure_status status;
+};
+
+struct enclosure_device {
+ void *scratch;
+ struct list_head node;
+ struct class_device cdev;
+ struct enclosure_component_callbacks *cb;
+ int components;
+ struct enclosure_component component[0];
+};
+
+static inline struct enclosure_device *
+to_enclosure_device(struct class_device *dev)
+{
+ return container_of(dev, struct enclosure_device, cdev);
+}
+
+static inline struct enclosure_component *
+to_enclosure_component(struct class_device *dev)
+{
+ return container_of(dev, struct enclosure_component, cdev);
+}
+
+struct enclosure_device *
+enclosure_register(struct device *, const char *, int,
+ struct enclosure_component_callbacks *);
+void enclosure_unregister(struct enclosure_device *);
+struct enclosure_component *
+enclosure_component_register(struct enclosure_device *, unsigned int,
+ enum enclosure_component_type, const char *);
+int enclosure_add_device(struct enclosure_device *enclosure, int component,
+ struct device *dev);
+int enclosure_remove_device(struct enclosure_device *enclosure, int component);
+struct enclosure_device *enclosure_find(struct device *dev);
+int enclosure_for_each_device(int (*fn)(struct enclosure_device *, void *),
+ void *data);
+
+#endif /* _LINUX_ENCLOSURE_H_ */