arch/mips/include/asm/sn/sn0/hubpi.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/sn/sn0/hubpi.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/sn/sn0/hubpi.h
Extension
.h
Size
15947 bytes
Lines
410
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct err_stack_format {
	u64	sk_addr	   : 33,   /* address */
		sk_cmd	   :  8,   /* message command */
		sk_crb_sts : 10,   /* status from RRB or WRB */
		sk_rw_rb   :  1,   /* RRB == 0, WRB == 1 */
		sk_crb_num :  3,   /* WRB (0 to 7) or RRB (0 to 4) */
		sk_t5_req  :  3,   /* RRB T5 request number */
		sk_suppl   :  3,   /* lowest 3 bit of supplemental */
		sk_err_type:  3;   /* error type	*/
};

typedef union pi_err_stack {
	u64	pi_stk_word;
	struct	err_stack_format pi_stk_fmt;
} pi_err_stack_t;

struct err_status0_format {
	u64	s0_valid   :  1,   /* Valid */
		s0_ovr_run :  1,   /* Overrun, spooled to memory */
		s0_addr	   : 37,   /* address */
		s0_cmd	   :  8,   /* message command */
		s0_supl	   : 11,   /* message supplemental field */
		s0_t5_req  :  3,   /* RRB T5 request number */
		s0_err_type:  3;   /* error type */
};

typedef union pi_err_stat0 {
	u64	pi_stat0_word;
	struct err_status0_format pi_stat0_fmt;
} pi_err_stat0_t;

struct err_status1_format {
	u64	s1_src	   : 11,   /* message source */
		s1_crb_sts : 10,   /* status from RRB or WRB */
		s1_rw_rb   :  1,   /* RRB == 0, WRB == 1 */
		s1_crb_num :  3,   /* WRB (0 to 7) or RRB (0 to 4) */
		s1_inval_cnt:10,   /* signed invalidate counter RRB */
		s1_to_cnt  :  8,   /* crb timeout counter */
		s1_spl_cnt : 21;   /* number spooled to memory */
};

typedef union pi_err_stat1 {
	u64	pi_stat1_word;
	struct err_status1_format pi_stat1_fmt;
} pi_err_stat1_t;

typedef u64	rtc_time_t;

#endif /* !__ASSEMBLER__ */


/* Bits in PI_SYSAD_ERRCHK_EN */
#define PI_SYSAD_ERRCHK_ECCGEN	0x01	/* Enable ECC generation	    */
#define PI_SYSAD_ERRCHK_QUALGEN 0x02	/* Enable data quality signal gen.  */
#define PI_SYSAD_ERRCHK_SADP	0x04	/* Enable SysAD parity checking	    */
#define PI_SYSAD_ERRCHK_CMDP	0x08	/* Enable SysCmd parity checking    */
#define PI_SYSAD_ERRCHK_STATE	0x10	/* Enable SysState parity checking  */
#define PI_SYSAD_ERRCHK_QUAL	0x20	/* Enable data quality checking	    */
#define PI_SYSAD_CHECK_ALL	0x3f	/* Generate and check all signals.  */

/* Interrupt pending bits on R10000 */

#define HUB_IP_PEND0		0x0400
#define HUB_IP_PEND1_CC		0x0800
#define HUB_IP_RT		0x1000
#define HUB_IP_PROF		0x2000
#define HUB_IP_ERROR		0x4000
#define HUB_IP_MASK		0x7c00

/* PI_RT_LOCAL_CTRL mask and shift definitions */

#define PRLC_USE_INT_SHFT	16
#define PRLC_USE_INT_MASK	(UINT64_CAST 1 << 16)
#define PRLC_USE_INT		(UINT64_CAST 1 << 16)
#define PRLC_GCLK_SHFT		15
#define PRLC_GCLK_MASK		(UINT64_CAST 1 << 15)
#define PRLC_GCLK		(UINT64_CAST 1 << 15)
#define PRLC_GCLK_COUNT_SHFT	8
#define PRLC_GCLK_COUNT_MASK	(UINT64_CAST 0x7f << 8)
#define PRLC_MAX_COUNT_SHFT	1
#define PRLC_MAX_COUNT_MASK	(UINT64_CAST 0x7f << 1)
#define PRLC_GCLK_EN_SHFT	0
#define PRLC_GCLK_EN_MASK	(UINT64_CAST 1)
#define PRLC_GCLK_EN		(UINT64_CAST 1)

/* PI_RT_FILTER_CTRL mask and shift definitions */

/*
 * Bits for NACK_CNT_A/B and NACK_CMP
 */

Annotation

Implementation Notes