[PATCH] dcdbas: add Dell Systems Management Base Driver with sysfs support

This patch adds the Dell Systems Management Base Driver with sysfs support.

This driver has been tested with Dell OpenManage.

Signed-off-by: Doug Warzecha <Douglas_Warzecha@dell.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/drivers/firmware/dcdbas.h b/drivers/firmware/dcdbas.h
new file mode 100644
index 000000000000..58a85182b3e8
--- /dev/null
+++ b/drivers/firmware/dcdbas.h
@@ -0,0 +1,107 @@
+/*
+ *  dcdbas.h: Definitions for Dell Systems Management Base driver
+ *
+ *  Copyright (C) 1995-2005 Dell Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License v2.0 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.
+ */
+
+#ifndef _DCDBAS_H_
+#define _DCDBAS_H_
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+
+#define MAX_SMI_DATA_BUF_SIZE                   (256 * 1024)
+
+#define HC_ACTION_NONE                          (0)
+#define HC_ACTION_HOST_CONTROL_POWEROFF         BIT(1)
+#define HC_ACTION_HOST_CONTROL_POWERCYCLE       BIT(2)
+
+#define HC_SMITYPE_NONE                         (0)
+#define HC_SMITYPE_TYPE1                        (1)
+#define HC_SMITYPE_TYPE2                        (2)
+#define HC_SMITYPE_TYPE3                        (3)
+
+#define ESM_APM_CMD                             (0x0A0)
+#define ESM_APM_POWER_CYCLE                     (0x10)
+#define ESM_STATUS_CMD_UNSUCCESSFUL             (-1)
+
+#define CMOS_BASE_PORT                          (0x070)
+#define CMOS_PAGE1_INDEX_PORT                   (0)
+#define CMOS_PAGE1_DATA_PORT                    (1)
+#define CMOS_PAGE2_INDEX_PORT_PIIX4             (2)
+#define CMOS_PAGE2_DATA_PORT_PIIX4              (3)
+#define PE1400_APM_CONTROL_PORT                 (0x0B0)
+#define PCAT_APM_CONTROL_PORT                   (0x0B2)
+#define PCAT_APM_STATUS_PORT                    (0x0B3)
+#define PE1300_CMOS_CMD_STRUCT_PTR              (0x38)
+#define PE1400_CMOS_CMD_STRUCT_PTR              (0x70)
+
+#define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN        (14)
+#define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM         (16)
+
+#define TIMEOUT_USEC_SHORT_SEMA_BLOCKING        (10000)
+#define EXPIRED_TIMER                           (0)
+
+#define SMI_CMD_MAGIC                           (0x534D4931)
+
+#define DCDBAS_DEV_ATTR_RW(_name) \
+        DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
+
+#define DCDBAS_DEV_ATTR_RO(_name) \
+        DEVICE_ATTR(_name,0400,_name##_show,NULL);
+
+#define DCDBAS_DEV_ATTR_WO(_name) \
+        DEVICE_ATTR(_name,0200,NULL,_name##_store);
+
+#define DCDBAS_BIN_ATTR_RW(_name) \
+struct bin_attribute bin_attr_##_name = { \
+        .attr =  { .name = __stringify(_name), \
+                   .mode = 0600, \
+                   .owner = THIS_MODULE }, \
+        .read =  _name##_read, \
+        .write = _name##_write, \
+}
+
+struct smi_cmd {
+        __u32 magic;
+        __u32 ebx;
+        __u32 ecx;
+        __u16 command_address;
+        __u8 command_code;
+        __u8 reserved;
+        __u8 command_buffer[1];
+} __attribute__ ((packed));
+
+struct apm_cmd {
+        __u8 command;
+        __s8 status;
+        __u16 reserved;
+        union {
+                struct {
+                        __u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
+                } __attribute__ ((packed)) shortreq;
+
+                struct {
+                        __u16 num_sg_entries;
+                        struct {
+                                __u32 size;
+                                __u64 addr;
+                        } __attribute__ ((packed))
+                            sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
+                } __attribute__ ((packed)) longreq;
+        } __attribute__ ((packed)) parameters;
+} __attribute__ ((packed));
+
+#endif /* _DCDBAS_H_ */
+