diff options
Diffstat (limited to 'include/asm-ia64/sn/ksys/l1.h')
| -rw-r--r-- | include/asm-ia64/sn/ksys/l1.h | 228 |
1 files changed, 3 insertions, 225 deletions
diff --git a/include/asm-ia64/sn/ksys/l1.h b/include/asm-ia64/sn/ksys/l1.h index d3f1be0655470c..6016bb73b86ec5 100644 --- a/include/asm-ia64/sn/ksys/l1.h +++ b/include/asm-ia64/sn/ksys/l1.h @@ -4,7 +4,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992-1997,2000-2002 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved. */ #ifndef _ASM_SN_KSYS_L1_H @@ -16,162 +16,6 @@ #include <asm/atomic.h> #include <asm/sn/sv.h> - -#ifdef CONFIG_IA64_SGI_SN1 - -#define BRL1_QSIZE 128 /* power of 2 is more efficient */ -#define BRL1_BUFSZ 264 /* needs to be large enough - * to hold 2 flags, escaped - * CRC, type/subchannel byte, - * and escaped payload - */ - -#define BRL1_IQS 32 -#define BRL1_OQS 4 - - -typedef struct sc_cq_s { - u_char buf[BRL1_QSIZE]; - int ipos, opos, tent_next; -} sc_cq_t; - -/* An l1sc_t struct can be associated with the local (C-brick) L1 or an L1 - * on an R-brick. In the R-brick case, the l1sc_t records a vector path - * to the R-brick's junk bus UART. In the C-brick case, we just use the - * following flag to denote the local uart. - * - * This value can't be confused with a network vector because the least- - * significant nibble of a network vector cannot be greater than 8. - */ -#define BRL1_LOCALHUB_UART ((net_vec_t)0xf) - -/* L1<->Bedrock reserved subchannels */ - -/* console channels */ -#define SC_CONS_CPU0 0x00 -#define SC_CONS_CPU1 0x01 -#define SC_CONS_CPU2 0x02 -#define SC_CONS_CPU3 0x03 - -#define L1_ELSCUART_SUBCH(p) (p) -#define L1_ELSCUART_CPU(ch) (ch) - -#define SC_CONS_SYSTEM CPUS_PER_NODE - -/* mapping subchannels to queues */ -#define MAP_IQ(s) (s) -#define MAP_OQ(s) (s) - -#define BRL1_NUM_SUBCHANS 32 -#define BRL1_CMD_SUBCH 16 -#define BRL1_EVENT_SUBCH (BRL1_NUM_SUBCHANS - 1) -#define BRL1_SUBCH_RSVD 0 -#define BRL1_SUBCH_FREE (-1) - -/* constants for L1 hwgraph vertex info */ -#define CBRICK_L1 (__psint_t)1 -#define IOBRICK_L1 (__psint_t)2 -#define RBRICK_L1 (__psint_t)3 - - -struct l1sc_s; -/* Saved off interrupt frame */ -typedef struct brl1_intr_frame { - int bf_irq; /* irq received */ - void *bf_dev_id; /* device information */ - struct pt_regs *bf_regs; /* register frame */ -} brl1_intr_frame_t; - -typedef void (*brl1_notif_t)(int, void *, struct pt_regs *, struct l1sc_s *, int); -typedef int (*brl1_uartf_t)(struct l1sc_s *); - -/* structure for controlling a subchannel */ -typedef struct brl1_sch_s { - int use; /* if this subchannel is free, - * use == BRL1_SUBCH_FREE */ - uint target; /* type, rack and slot of component to - * which this subchannel is directed */ - atomic_t packet_arrived; /* true if packet arrived on - * this subchannel */ - sc_cq_t * iqp; /* input queue for this subchannel */ - sv_t arrive_sv; /* used to wait for a packet */ - spinlock_t data_lock; /* synchronize access to input queues and - * other fields of the brl1_sch_s struct */ - brl1_notif_t tx_notify; /* notify higher layer that transmission may - * continue */ - brl1_notif_t rx_notify; /* notify higher layer that a packet has been - * received */ - brl1_intr_frame_t irq_frame; /* saved off irq information */ -} brl1_sch_t; - -/* br<->l1 protocol states */ -#define BRL1_IDLE 0 -#define BRL1_FLAG 1 -#define BRL1_HDR 2 -#define BRL1_BODY 3 -#define BRL1_ESC 4 -#define BRL1_RESET 7 - - -/* - * l1sc_t structure-- tracks protocol state, open subchannels, etc. - */ -typedef struct l1sc_s { - nasid_t nasid; /* nasid with which this instance - * of the structure is associated */ - moduleid_t modid; /* module id of this brick */ - u_char verbose; /* non-zero if elscuart routines should - * prefix output */ - net_vec_t uart; /* vector path to UART, or BRL1_LOCALUART */ - int sent; /* number of characters sent */ - int send_len; /* number of characters in send buf */ - brl1_uartf_t putc_f; /* pointer to UART putc function */ - brl1_uartf_t getc_f; /* pointer to UART getc function */ - - spinlock_t send_lock; /* arbitrates send synchronization */ - spinlock_t recv_lock; /* arbitrates uart receive access */ - spinlock_t subch_lock; /* arbitrates subchannel allocation */ - cpuid_t intr_cpu; /* cpu that receives L1 interrupts */ - - u_char send_in_use; /* non-zero if send buffer contains an - * unsent or partially-sent packet */ - u_char fifo_space; /* current depth of UART send FIFO */ - - u_char brl1_state; /* current state of the receive side */ - u_char brl1_last_hdr; /* last header byte received */ - - char send[BRL1_BUFSZ]; /* send buffer */ - - int sol; /* "start of line" (see elscuart routines) */ - int cons_listen; /* non-zero if the elscuart interface should - * also check the system console subchannel */ - brl1_sch_t subch[BRL1_NUM_SUBCHANS]; - /* subchannels provided by link */ - - sc_cq_t garbage_q; /* a place to put unsolicited packets */ - sc_cq_t oq[BRL1_OQS]; /* elscuart output queues */ -} l1sc_t; - - -/* error codes */ -#define BRL1_VALID 0 -#define BRL1_FULL_Q (-1) -#define BRL1_CRC (-2) -#define BRL1_PROTOCOL (-3) -#define BRL1_NO_MESSAGE (-4) -#define BRL1_LINK (-5) -#define BRL1_BUSY (-6) - -#define SC_SUCCESS BRL1_VALID -#define SC_NMSG BRL1_NO_MESSAGE -#define SC_BUSY BRL1_BUSY -#define SC_NOPEN (-7) -#define SC_BADSUBCH (-8) -#define SC_TIMEDOUT (-9) -#define SC_NSUBCH (-10) - -#endif /* CONFIG_IA64_SGI_SN1 */ - /* L1 Target Addresses */ /* * L1 commands and responses use source/target addresses that are @@ -181,39 +25,11 @@ typedef struct l1sc_s { * id (L1 functionality is divided into several independent "tasks" * that can each receive command requests and transmit responses) */ -#ifdef CONFIG_IA64_SGI_SN1 -#define L1_ADDR_TYPE_SHFT 28 -#define L1_ADDR_TYPE_MASK 0xF0000000 -#else -#define L1_ADDR_TYPE_SHFT 8 -#define L1_ADDR_TYPE_MASK 0xFF00 -#endif /* CONFIG_IA64_SGI_SN1 */ #define L1_ADDR_TYPE_L1 0x00 /* L1 system controller */ #define L1_ADDR_TYPE_L2 0x01 /* L2 system controller */ #define L1_ADDR_TYPE_L3 0x02 /* L3 system controller */ #define L1_ADDR_TYPE_CBRICK 0x03 /* attached C brick */ #define L1_ADDR_TYPE_IOBRICK 0x04 /* attached I/O brick */ - -#ifdef CONFIG_IA64_SGI_SN1 -#define L1_ADDR_RACK_SHFT 18 -#define L1_ADDR_RACK_MASK 0x0FFC0000 -#define L1_ADDR_RACK_LOCAL 0x3ff /* local brick's rack */ -#else -#define L1_ADDR_RACK_SHFT 16 -#define L1_ADDR_RACK_MASK 0xFFFF00 -#define L1_ADDR_RACK_LOCAL 0xffff /* local brick's rack */ -#endif /* CONFIG_IA64_SGI_SN1 */ - -#ifdef CONFIG_IA64_SGI_SN1 -#define L1_ADDR_BAY_SHFT 12 -#define L1_ADDR_BAY_MASK 0x0003F000 -#define L1_ADDR_BAY_LOCAL 0x3f /* local brick's bay */ -#else -#define L1_ADDR_BAY_SHFT 0 -#define L1_ADDR_BAY_MASK 0xFF -#define L1_ADDR_BAY_LOCAL 0xff /* local brick's bay */ -#endif /* CONFIG_IA64_SGI_SN1 */ - #define L1_ADDR_TASK_SHFT 0 #define L1_ADDR_TASK_MASK 0x0000001F #define L1_ADDR_TASK_INVALID 0x00 /* invalid task */ @@ -296,7 +112,9 @@ typedef struct l1sc_s { #define L1_BRICKTYPE_X 0x58 /* X */ #define L1_BRICKTYPE_X2 0x59 /* Y */ #define L1_BRICKTYPE_N 0x4e /* N */ +#define L1_BRICKTYPE_PE 0x25 /* % */ #define L1_BRICKTYPE_PX 0x23 /* # */ +#define L1_BRICKTYPE_IX 0x3d /* = */ /* EEPROM codes (for the "read EEPROM" request) */ /* c brick */ @@ -339,50 +157,10 @@ typedef uint32_t l1addr_t; #define bzero(d, n) memset((d), 0, (n)) -#ifdef CONFIG_IA64_SGI_SN1 - -#define SC_EVENT_CLASS_MASK ((unsigned short)0xff00) - -/* public interfaces to L1 system controller */ - -int sc_open( l1sc_t *sc, uint target ); -int sc_close( l1sc_t *sc, int ch ); -int sc_construct_msg( l1sc_t *sc, int ch, - char *msg, int msg_len, - uint addr_task, short req_code, - int req_nargs, ... ); -int sc_interpret_resp( char *resp, int resp_nargs, ... ); -int sc_send( l1sc_t *sc, int ch, char *msg, int len, int wait ); -int sc_recv( l1sc_t *sc, int ch, char *msg, int *len, uint64_t block ); -int sc_command( l1sc_t *sc, int ch, char *cmd, char *resp, int *len ); -int sc_command_kern( l1sc_t *sc, int ch, char *cmd, char *resp, int *len ); -int sc_poll( l1sc_t *sc, int ch ); -void sc_init( l1sc_t *sc, nasid_t nasid, net_vec_t uart ); -void sc_intr_enable( l1sc_t *sc ); - -int elsc_rack_bay_get(l1sc_t *e, uint *rack, uint *bay); -int elsc_rack_bay_type_get(l1sc_t *e, uint *rack, - uint *bay, uint *brick_type); -int elsc_cons_subch(l1sc_t *e, uint ch); -int elsc_cons_node(l1sc_t *e); -int elsc_display_line(l1sc_t *e, char *line, int lnum); - -extern l1sc_t *get_elsc( void ); -#define get_l1sc get_elsc -#define get_master_l1sc get_l1sc - -int iobrick_rack_bay_type_get( l1sc_t *sc, uint *rack, - uint *bay, uint *brick_type ); -int iobrick_module_get( l1sc_t *sc ); -int iobrick_pci_slot_pwr( l1sc_t *sc, int bus, int slot, int up ); -int iobrick_pci_bus_pwr( l1sc_t *sc, int bus, int up ); -int iobrick_sc_version( l1sc_t *sc, char *result ); -#else int elsc_display_line(nasid_t nasid, char *line, int lnum); int iobrick_rack_bay_type_get( nasid_t nasid, uint *rack, uint *bay, uint *brick_type ); int iobrick_module_get( nasid_t nasid ); -#endif /* CONFIG_IA64_SGI_SN1 */ #endif /* _ASM_SN_KSYS_L1_H */ |