[SCSI] libosd: attributes Support

Support for both List-Mode and Page-Mode osd attributes. One of
these operations may be added to most other operations.

Define the OSD standard's attribute pages constants and structures
(osd_attributes.h)

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 327 insertions, 0 deletions

diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
new file mode 100644
index 000000000000..f888a6fda073
--- /dev/null
+++ b/include/scsi/osd_attributes.h
@@ -0,0 +1,327 @@
+#ifndef __OSD_ATTRIBUTES_H__
+#define __OSD_ATTRIBUTES_H__
+
+#include "osd_protocol.h"
+
+/*
+ * Contains types and constants that define attribute pages and attribute
+ * numbers and their data types.
+ */
+
+#define ATTR_SET(pg, id, l, ptr) \
+        { .attr_page = pg, .attr_id = id, .len = l, .val_ptr = ptr }
+
+#define ATTR_DEF(pg, id, l) ATTR_SET(pg, id, l, NULL)
+
+/* osd-r10 4.7.3 Attributes pages */
+enum {
+        OSD_APAGE_OBJECT_FIRST          = 0x0,
+        OSD_APAGE_OBJECT_DIRECTORY      = 0,
+        OSD_APAGE_OBJECT_INFORMATION    = 1,
+        OSD_APAGE_OBJECT_QUOTAS         = 2,
+        OSD_APAGE_OBJECT_TIMESTAMP      = 3,
+        OSD_APAGE_OBJECT_COLLECTIONS    = 4,
+        OSD_APAGE_OBJECT_SECURITY       = 5,
+        OSD_APAGE_OBJECT_LAST           = 0x2fffffff,
+
+        OSD_APAGE_PARTITION_FIRST       = 0x30000000,
+        OSD_APAGE_PARTITION_DIRECTORY   = OSD_APAGE_PARTITION_FIRST + 0,
+        OSD_APAGE_PARTITION_INFORMATION = OSD_APAGE_PARTITION_FIRST + 1,
+        OSD_APAGE_PARTITION_QUOTAS      = OSD_APAGE_PARTITION_FIRST + 2,
+        OSD_APAGE_PARTITION_TIMESTAMP   = OSD_APAGE_PARTITION_FIRST + 3,
+        OSD_APAGE_PARTITION_SECURITY    = OSD_APAGE_PARTITION_FIRST + 5,
+        OSD_APAGE_PARTITION_LAST        = 0x5FFFFFFF,
+
+        OSD_APAGE_COLLECTION_FIRST      = 0x60000000,
+        OSD_APAGE_COLLECTION_DIRECTORY  = OSD_APAGE_COLLECTION_FIRST + 0,
+        OSD_APAGE_COLLECTION_INFORMATION = OSD_APAGE_COLLECTION_FIRST + 1,
+        OSD_APAGE_COLLECTION_TIMESTAMP  = OSD_APAGE_COLLECTION_FIRST + 3,
+        OSD_APAGE_COLLECTION_SECURITY   = OSD_APAGE_COLLECTION_FIRST + 5,
+        OSD_APAGE_COLLECTION_LAST       = 0x8FFFFFFF,
+
+        OSD_APAGE_ROOT_FIRST            = 0x90000000,
+        OSD_APAGE_ROOT_DIRECTORY        = OSD_APAGE_ROOT_FIRST + 0,
+        OSD_APAGE_ROOT_INFORMATION      = OSD_APAGE_ROOT_FIRST + 1,
+        OSD_APAGE_ROOT_QUOTAS           = OSD_APAGE_ROOT_FIRST + 2,
+        OSD_APAGE_ROOT_TIMESTAMP        = OSD_APAGE_ROOT_FIRST + 3,
+        OSD_APAGE_ROOT_SECURITY         = OSD_APAGE_ROOT_FIRST + 5,
+        OSD_APAGE_ROOT_LAST             = 0xBFFFFFFF,
+
+        OSD_APAGE_RESERVED_TYPE_FIRST   = 0xC0000000,
+        OSD_APAGE_RESERVED_TYPE_LAST    = 0xEFFFFFFF,
+
+        OSD_APAGE_COMMON_FIRST          = 0xF0000000,
+        OSD_APAGE_COMMON_LAST           = 0xFFFFFFFE,
+
+        OSD_APAGE_REQUEST_ALL           = 0xFFFFFFFF,
+};
+
+/* subcategories of attr pages within each range above */
+enum {
+        OSD_APAGE_STD_FIRST             = 0x0,
+        OSD_APAGE_STD_DIRECTORY         = 0,
+        OSD_APAGE_STD_INFORMATION       = 1,
+        OSD_APAGE_STD_QUOTAS            = 2,
+        OSD_APAGE_STD_TIMESTAMP         = 3,
+        OSD_APAGE_STD_COLLECTIONS       = 4,
+        OSD_APAGE_STD_POLICY_SECURITY   = 5,
+        OSD_APAGE_STD_LAST              = 0x0000007F,
+
+        OSD_APAGE_RESERVED_FIRST        = 0x00000080,
+        OSD_APAGE_RESERVED_LAST         = 0x00007FFF,
+
+        OSD_APAGE_OTHER_STD_FIRST       = 0x00008000,
+        OSD_APAGE_OTHER_STD_LAST        = 0x0000EFFF,
+
+        OSD_APAGE_PUBLIC_FIRST          = 0x0000F000,
+        OSD_APAGE_PUBLIC_LAST           = 0x0000FFFF,
+
+        OSD_APAGE_APP_DEFINED_FIRST     = 0x00010000,
+        OSD_APAGE_APP_DEFINED_LAST      = 0x1FFFFFFF,
+
+        OSD_APAGE_VENDOR_SPECIFIC_FIRST = 0x20000000,
+        OSD_APAGE_VENDOR_SPECIFIC_LAST  = 0x2FFFFFFF,
+};
+
+enum {
+        OSD_ATTR_PAGE_IDENTIFICATION = 0, /* in all pages 40 bytes */
+};
+
+struct page_identification {
+        u8 vendor_identification[8];
+        u8 page_identification[32];
+}  __packed;
+
+struct osd_attr_page_header {
+        __be32 page_number;
+        __be32 page_length;
+} __packed;
+
+/* 7.1.2.8 Root Information attributes page (OSD_APAGE_ROOT_INFORMATION) */
+enum {
+        OSD_ATTR_RI_OSD_SYSTEM_ID            = 0x3,   /* 20       */
+        OSD_ATTR_RI_VENDOR_IDENTIFICATION    = 0x4,   /* 8        */
+        OSD_ATTR_RI_PRODUCT_IDENTIFICATION   = 0x5,   /* 16       */
+        OSD_ATTR_RI_PRODUCT_MODEL            = 0x6,   /* 32       */
+        OSD_ATTR_RI_PRODUCT_REVISION_LEVEL   = 0x7,   /* 4        */
+        OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER    = 0x8,   /* variable */
+        OSD_ATTR_RI_OSD_NAME                 = 0x9,   /* variable */
+        OSD_ATTR_RI_TOTAL_CAPACITY           = 0x80,  /* 8        */
+        OSD_ATTR_RI_USED_CAPACITY            = 0x81,  /* 8        */
+        OSD_ATTR_RI_NUMBER_OF_PARTITIONS     = 0xC0,  /* 8        */
+        OSD_ATTR_RI_CLOCK                    = 0x100, /* 6        */
+};
+/* Root_Information_attributes_page does not have a get_page structure */
+
+/* 7.1.2.9 Partition Information attributes page
+ * (OSD_APAGE_PARTITION_INFORMATION)
+ */
+enum {
+        OSD_ATTR_PI_PARTITION_ID            = 0x1,     /* 8        */
+        OSD_ATTR_PI_USERNAME                = 0x9,     /* variable */
+        OSD_ATTR_PI_USED_CAPACITY           = 0x81,    /* 8        */
+        OSD_ATTR_PI_NUMBER_OF_OBJECTS       = 0xC1,    /* 8        */
+};
+/* Partition Information attributes page does not have a get_page structure */
+
+/* 7.1.2.10 Collection Information attributes page
+ * (OSD_APAGE_COLLECTION_INFORMATION)
+ */
+enum {
+        OSD_ATTR_CI_PARTITION_ID           = 0x1,       /* 8        */
+        OSD_ATTR_CI_COLLECTION_OBJECT_ID   = 0x2,       /* 8        */
+        OSD_ATTR_CI_USERNAME               = 0x9,       /* variable */
+        OSD_ATTR_CI_USED_CAPACITY          = 0x81,      /* 8        */
+};
+/* Collection Information attributes page does not have a get_page structure */
+
+/* 7.1.2.11 User Object Information attributes page
+ * (OSD_APAGE_OBJECT_INFORMATION)
+ */
+enum {
+        OSD_ATTR_OI_PARTITION_ID         = 0x1,       /* 8        */
+        OSD_ATTR_OI_OBJECT_ID            = 0x2,       /* 8        */
+        OSD_ATTR_OI_USERNAME             = 0x9,       /* variable */
+        OSD_ATTR_OI_USED_CAPACITY        = 0x81,      /* 8        */
+        OSD_ATTR_OI_LOGICAL_LENGTH       = 0x82,      /* 8        */
+};
+/* Object Information attributes page does not have a get_page structure */
+
+/* 7.1.2.12 Root Quotas attributes page (OSD_APAGE_ROOT_QUOTAS) */
+enum {
+        OSD_ATTR_RQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH     = 0x1,      /* 8  */
+        OSD_ATTR_RQ_PARTITION_CAPACITY_QUOTA               = 0x10001,  /* 8  */
+        OSD_ATTR_RQ_PARTITION_OBJECT_COUNT                 = 0x10002,  /* 8  */
+        OSD_ATTR_RQ_PARTITION_COLLECTIONS_PER_USER_OBJECT  = 0x10081,  /* 4  */
+        OSD_ATTR_RQ_PARTITION_COUNT                        = 0x20002,  /* 8  */
+};
+
+struct Root_Quotas_attributes_page {
+        struct osd_attr_page_header hdr; /* id=R+2, size=0x24 */
+        __be64 default_maximum_user_object_length;
+        __be64 partition_capacity_quota;
+        __be64 partition_object_count;
+        __be64 partition_collections_per_user_object;
+        __be64 partition_count;
+}  __packed;
+
+/* 7.1.2.13 Partition Quotas attributes page (OSD_APAGE_PARTITION_QUOTAS)*/
+enum {
+        OSD_ATTR_PQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH  = 0x1,        /* 8 */
+        OSD_ATTR_PQ_CAPACITY_QUOTA                      = 0x10001,    /* 8 */
+        OSD_ATTR_PQ_OBJECT_COUNT                        = 0x10002,    /* 8 */
+        OSD_ATTR_PQ_COLLECTIONS_PER_USER_OBJECT         = 0x10081,    /* 4 */
+};
+
+struct Partition_Quotas_attributes_page {
+        struct osd_attr_page_header hdr; /* id=P+2, size=0x1C */
+        __be64 default_maximum_user_object_length;
+        __be64 capacity_quota;
+        __be64 object_count;
+        __be64 collections_per_user_object;
+}  __packed;
+
+/* 7.1.2.14 User Object Quotas attributes page (OSD_APAGE_OBJECT_QUOTAS) */
+enum {
+        OSD_ATTR_OQ_MAXIMUM_LENGTH  = 0x1,        /* 8 */
+};
+
+struct Object_Quotas_attributes_page {
+        struct osd_attr_page_header hdr; /* id=U+2, size=0x8 */
+        __be64 maximum_length;
+}  __packed;
+
+/* 7.1.2.15 Root Timestamps attributes page (OSD_APAGE_ROOT_TIMESTAMP) */
+enum {
+        OSD_ATTR_RT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+        OSD_ATTR_RT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+        OSD_ATTR_RT_TIMESTAMP_BYPASS          = 0xFFFFFFFE, /* 1 */
+};
+
+struct root_timestamps_attributes_page {
+        struct osd_attr_page_header hdr; /* id=R+3, size=0xD */
+        struct osd_timestamp attributes_accessed_time;
+        struct osd_timestamp attributes_modified_time;
+        u8 timestamp_bypass;
+}  __packed;
+
+/* 7.1.2.16 Partition Timestamps attributes page
+ * (OSD_APAGE_PARTITION_TIMESTAMP)
+ */
+enum {
+        OSD_ATTR_PT_CREATED_TIME              = 0x1,        /* 6 */
+        OSD_ATTR_PT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+        OSD_ATTR_PT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+        OSD_ATTR_PT_DATA_ACCESSED_TIME        = 0x4,        /* 6 */
+        OSD_ATTR_PT_DATA_MODIFIED_TIME        = 0x5,        /* 6 */
+        OSD_ATTR_PT_TIMESTAMP_BYPASS          = 0xFFFFFFFE, /* 1 */
+};
+
+struct partition_timestamps_attributes_page {
+        struct osd_attr_page_header hdr; /* id=P+3, size=0x1F */
+        struct osd_timestamp created_time;
+        struct osd_timestamp attributes_accessed_time;
+        struct osd_timestamp attributes_modified_time;
+        struct osd_timestamp data_accessed_time;
+        struct osd_timestamp data_modified_time;
+        u8 timestamp_bypass;
+}  __packed;
+
+/* 7.1.2.17/18 Collection/Object Timestamps attributes page
+ * (OSD_APAGE_COLLECTION_TIMESTAMP/OSD_APAGE_OBJECT_TIMESTAMP)
+ */
+enum {
+        OSD_ATTR_OT_CREATED_TIME              = 0x1,        /* 6 */
+        OSD_ATTR_OT_ATTRIBUTES_ACCESSED_TIME  = 0x2,        /* 6 */
+        OSD_ATTR_OT_ATTRIBUTES_MODIFIED_TIME  = 0x3,        /* 6 */
+        OSD_ATTR_OT_DATA_ACCESSED_TIME        = 0x4,        /* 6 */
+        OSD_ATTR_OT_DATA_MODIFIED_TIME        = 0x5,        /* 6 */
+};
+
+/* same for collection */
+struct object_timestamps_attributes_page {
+        struct osd_attr_page_header hdr; /* id=C+3/3, size=0x1E */
+        struct osd_timestamp created_time;
+        struct osd_timestamp attributes_accessed_time;
+        struct osd_timestamp attributes_modified_time;
+        struct osd_timestamp data_accessed_time;
+        struct osd_timestamp data_modified_time;
+}  __packed;
+
+/* 7.1.2.19 Collections attributes page */
+/* TBD */
+
+/* 7.1.2.20 Root Policy/Security attributes page (OSD_APAGE_ROOT_SECURITY) */
+enum {
+        OSD_ATTR_RS_DEFAULT_SECURITY_METHOD           = 0x1,       /* 1      */
+        OSD_ATTR_RS_OLDEST_VALID_NONCE_LIMIT          = 0x2,       /* 6      */
+        OSD_ATTR_RS_NEWEST_VALID_NONCE_LIMIT          = 0x3,       /* 6      */
+        OSD_ATTR_RS_PARTITION_DEFAULT_SECURITY_METHOD = 0x6,       /* 1      */
+        OSD_ATTR_RS_SUPPORTED_SECURITY_METHODS        = 0x7,       /* 2      */
+        OSD_ATTR_RS_ADJUSTABLE_CLOCK                  = 0x9,       /* 6      */
+        OSD_ATTR_RS_MASTER_KEY_IDENTIFIER             = 0x7FFD,    /* 0 or 7 */
+        OSD_ATTR_RS_ROOT_KEY_IDENTIFIER               = 0x7FFE,    /* 0 or 7 */
+        OSD_ATTR_RS_SUPPORTED_INTEGRITY_ALGORITHM_0   = 0x80000000,/* 1,(x16)*/
+        OSD_ATTR_RS_SUPPORTED_DH_GROUP_0              = 0x80000010,/* 1,(x16)*/
+};
+
+struct root_security_attributes_page {
+        struct osd_attr_page_header hdr; /* id=R+5, size=0x3F */
+        u8 default_security_method;
+        u8 partition_default_security_method;
+        __be16 supported_security_methods;
+        u8 mki_valid_rki_valid;
+        struct osd_timestamp oldest_valid_nonce_limit;
+        struct osd_timestamp newest_valid_nonce_limit;
+        struct osd_timestamp adjustable_clock;
+        u8 master_key_identifier[32-25];
+        u8 root_key_identifier[39-32];
+        u8 supported_integrity_algorithm[16];
+        u8 supported_dh_group[16];
+}  __packed;
+
+/* 7.1.2.21 Partition Policy/Security attributes page
+ * (OSD_APAGE_PARTITION_SECURITY)
+ */
+enum {
+        OSD_ATTR_PS_DEFAULT_SECURITY_METHOD        = 0x1,        /* 1      */
+        OSD_ATTR_PS_OLDEST_VALID_NONCE             = 0x2,        /* 6      */
+        OSD_ATTR_PS_NEWEST_VALID_NONCE             = 0x3,        /* 6      */
+        OSD_ATTR_PS_REQUEST_NONCE_LIST_DEPTH       = 0x4,        /* 2      */
+        OSD_ATTR_PS_FROZEN_WORKING_KEY_BIT_MASK    = 0x5,        /* 2      */
+        OSD_ATTR_PS_PARTITION_KEY_IDENTIFIER       = 0x7FFF,     /* 0 or 7 */
+        OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_FIRST   = 0x8000,     /* 0 or 7 */
+        OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_LAST    = 0x800F,     /* 0 or 7 */
+        OSD_ATTR_PS_POLICY_ACCESS_TAG              = 0x40000001, /* 4      */
+        OSD_ATTR_PS_USER_OBJECT_POLICY_ACCESS_TAG  = 0x40000002, /* 4      */
+};
+
+struct partition_security_attributes_page {
+        struct osd_attr_page_header hdr; /* id=p+5, size=0x8f */
+        u8 reserved[3];
+        u8 default_security_method;
+        struct osd_timestamp oldest_valid_nonce;
+        struct osd_timestamp newest_valid_nonce;
+        __be16 request_nonce_list_depth;
+        __be16 frozen_working_key_bit_mask;
+        __be32 policy_access_tag;
+        __be32 user_object_policy_access_tag;
+        u8 pki_valid;
+        __be16 wki_00_0f_vld;
+        struct osd_key_identifier partition_key_identifier;
+        struct osd_key_identifier working_key_identifiers[16];
+}  __packed;
+
+/* 7.1.2.22/23 Collection/Object Policy-Security attributes page
+ * (OSD_APAGE_COLLECTION_SECURITY/OSD_APAGE_OBJECT_SECURITY)
+ */
+enum {
+        OSD_ATTR_OS_POLICY_ACCESS_TAG              = 0x40000001, /* 4      */
+};
+
+struct object_security_attributes_page {
+        struct osd_attr_page_header hdr; /* id=C+5/5, size=4 */
+        __be32 policy_access_tag;
+}  __packed;
+
+#endif /*ndef __OSD_ATTRIBUTES_H__*/