core_sas.h

来自「6440linuxDriver的源代码」· C头文件 代码 · 共 91 行

#if !defined(CORE_SAS_H)
#define CORE_SAS_H

enum sas_dev_type {
	NO_DEVICE   = 0,	  /* protocol */
	SAS_END_DEV = 1,	  /* protocol */
	EDGE_DEV    = 2,	  /* protocol */
	FANOUT_DEV  = 3,	  /* protocol */
	SAS_HA      = 4,
	SATA_DEV    = 5,
	SATA_PM     = 7,
	SATA_PM_PORT= 8,
};

enum sas_phy_linkrate {
	PHY_LINKRATE_NONE = 0,
	PHY_LINKRATE_UNKNOWN = 0,
	PHY_DISABLED,
	PHY_RESET_PROBLEM,
	PHY_SPINUP_HOLD,
	PHY_PORT_SELECTOR,
	PHY_LINKRATE_1_5 = 0x08,
	PHY_LINKRATE_G1  = PHY_LINKRATE_1_5,
	PHY_LINKRATE_3   = 0x09,
	PHY_LINKRATE_G2  = PHY_LINKRATE_3,
	PHY_LINKRATE_6   = 0x0A,
};

enum sas_oob_mode {
	OOB_NOT_CONNECTED,
	SATA_OOB_MODE,
	SAS_OOB_MODE
};

enum sas_proto {
	SATA_PROTO    = 1,
	SAS_PROTO_SMP = 2,		/* protocol */
	SAS_PROTO_STP = 4,		/* protocol */
	SAS_PROTO_SSP = 8,		/* protocol */
	SAS_PROTO_ALL = 0xE,
};

struct sas_port {
	/* public: */
	int id;

	struct sas_discovery disc;
	struct domain_device *port_dev;
	struct list_head dev_list;
	enum   sas_phy_linkrate linkrate;

	u8               attached_sas_addr[SAS_ADDR_SIZE];
	enum sas_proto   iproto;
	enum sas_proto   tproto;

	enum sas_oob_mode oob_mode;

	struct sas_phy 	port_phy;
};

struct domain_device {
	U16 id;
	enum sas_dev_type dev_type;

	enum sas_phy_linkrate linkrate;
	enum sas_phy_linkrate min_linkrate;
	enum sas_phy_linkrate max_linkrate;

	U16  pathways;

	struct domain_device *parent;
	struct list_head siblings;		/* devices on the same level */
	struct sas_port *port;			/* shortcut to root of the tree */

	struct list_head dev_list_node;

	enum sas_proto    iproto;
	enum sas_proto    tproto;

	u8  sas_addr[SAS_ADDR_SIZE];
	u8  hashed_sas_addr[HASHED_SAS_ADDR_SIZE];

	union {
	struct expander_device ex_dev;
	struct end_device  end_dev;
	struct sata_device sata_dev;	/* STP & directly attached */
	};
};

#endif /* CORE_SAS_H */