scsi/isci/remote_node_table.h

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64  * Remote node sets are sets of remote node index in the remote node table. The
66  * remote node index so the table is arranged in sets of three. The bits are
67  * used as 0111 0111 to make a byte and the bits define the set of three remote
68  * nodes to use as a sequence.
78  * 0111 0111 0111 // if only a single WORD is in use in the DWORD.
85  * This is a count of the numeber of remote nodes that can be represented in a
94  * This is a count of the number of remote nodes that can be represented in a
103  * This is the number of bits in a remote node group
133  * struct sci_remote_node_table -
144 	 * This field contains the array size of the
149 	 * This field is the array of available remote node entries in bits.
150 	 * Because of the way STP remote node data is allocated on the SCU hardware
152 	 * entries.  For ease of allocation and de-allocation we have broken the
153 	 * sets of three into a single nibble.  When the STP RNi is allocated all
154 	 * of the bits in the nibble are cleared.  This math results in a table size
155 	 * of MAX_REMOTE_NODES / CONSECUTIVE RNi ENTRIES for STP / 2 entries per byte.
173 /* --------------------------------------------------------------------------- */