Differential D27225 Diff 80108 head/sys/dev/siis/siis.h

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head/sys/dev/siis/siis.h

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#define SIIS_P_SNTF 0x1F10		#define SIIS_P_SNTF 0x1F10

#define SIIS_MAX_PORTS 4		#define SIIS_MAX_PORTS 4
#define SIIS_MAX_SLOTS 31		#define SIIS_MAX_SLOTS 31

#define SIIS_OFFSET 0x100		#define SIIS_OFFSET 0x100
#define SIIS_STEP 0x80		#define SIIS_STEP 0x80

/* Just to be sure, if building as module. */
#if MAXPHYS < 512 * 1024
#undef MAXPHYS
#define MAXPHYS 512 * 1024
#endif
/* Pessimistic prognosis on number of required S/G entries */		/* Pessimistic prognosis on number of required S/G entries */
#define SIIS_SG_ENTRIES (roundup(btoc(MAXPHYS), 4) + 1)		#define SIIS_SG_ENTRIES (roundup(btoc(maxphys), 4) + 1)
/* Command tables. Up to 32 commands, Each, 128byte aligned. */		/* Port Request Block + S/G entries. 128byte aligned. */
#define SIIS_CT_OFFSET 0		#define SIIS_PRB_SIZE (32 + 16 + SIIS_SG_ENTRIES * 16)
#define SIIS_CT_SIZE (32 + 16 + SIIS_SG_ENTRIES * 16)
/* Total main work area. */		/* Total main work area. */
#define SIIS_WORK_SIZE (SIIS_CT_OFFSET + SIIS_CT_SIZE * SIIS_MAX_SLOTS)		#define SIIS_WORK_SIZE (SIIS_PRB_SIZE * SIIS_MAX_SLOTS)

struct siis_dma_prd {		struct siis_dma_prd {
u_int64_t dba;		u_int64_t dba;
u_int32_t dbc;		u_int32_t dbc;
u_int32_t control;		u_int32_t control;
#define SIIS_PRD_TRM 0x80000000		#define SIIS_PRD_TRM 0x80000000
#define SIIS_PRD_LNK 0x40000000		#define SIIS_PRD_LNK 0x40000000
#define SIIS_PRD_DRD 0x20000000		#define SIIS_PRD_DRD 0x20000000
#define SIIS_PRD_XCF 0x10000000		#define SIIS_PRD_XCF 0x10000000
} __packed;		} __packed;

struct siis_cmd_ata {		struct siis_cmd_ata {
struct siis_dma_prd prd[1 + SIIS_SG_ENTRIES];		struct siis_dma_prd prd[2];
} __packed;		} __packed;

struct siis_cmd_atapi {		struct siis_cmd_atapi {
u_int8_t ccb[16];		u_int8_t ccb[16];
struct siis_dma_prd prd[SIIS_SG_ENTRIES];		struct siis_dma_prd prd[1];
} __packed;		} __packed;

struct siis_cmd {		struct siis_cmd {
u_int16_t control;		u_int16_t control;
#define SIIS_PRB_PROTOCOL_OVERRIDE 0x0001		#define SIIS_PRB_PROTOCOL_OVERRIDE 0x0001
#define SIIS_PRB_RETRANSMIT 0x0002		#define SIIS_PRB_RETRANSMIT 0x0002
#define SIIS_PRB_EXTERNAL_COMMAND 0x0004		#define SIIS_PRB_EXTERNAL_COMMAND 0x0004
#define SIIS_PRB_RECEIVE 0x0008		#define SIIS_PRB_RECEIVE 0x0008
Show All 40 Lines	enum siis_slot_states {
SIIS_SLOT_RUNNING,		SIIS_SLOT_RUNNING,
SIIS_SLOT_WAITING		SIIS_SLOT_WAITING
};		};

struct siis_slot {		struct siis_slot {
device_t dev; /* Device handle */		device_t dev; /* Device handle */
u_int8_t slot; /* Number of this slot */		u_int8_t slot; /* Number of this slot */
enum siis_slot_states state; /* Slot state */		enum siis_slot_states state; /* Slot state */
		u_int prb_offset; /* PRB offset */
union ccb ccb; / CCB occupying slot */		union ccb ccb; / CCB occupying slot */
struct ata_dmaslot dma; /* DMA data of this slot */		struct ata_dmaslot dma; /* DMA data of this slot */
struct callout timeout; /* Execution timeout */		struct callout timeout; /* Execution timeout */
};		};

struct siis_device {		struct siis_device {
int revision;		int revision;
int mode;		int mode;
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