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-rw-r--r--include/asm-ia64/sn/bte.h233
1 files changed, 0 insertions, 233 deletions
diff --git a/include/asm-ia64/sn/bte.h b/include/asm-ia64/sn/bte.h
deleted file mode 100644
index a0d214f..0000000
--- a/include/asm-ia64/sn/bte.h
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved.
- */
-
-
-#ifndef _ASM_IA64_SN_BTE_H
-#define _ASM_IA64_SN_BTE_H
-
-#include <linux/timer.h>
-#include <linux/spinlock.h>
-#include <linux/cache.h>
-#include <asm/sn/pda.h>
-#include <asm/sn/types.h>
-#include <asm/sn/shub_mmr.h>
-
-#define IBCT_NOTIFY (0x1UL << 4)
-#define IBCT_ZFIL_MODE (0x1UL << 0)
-
-/* #define BTE_DEBUG */
-/* #define BTE_DEBUG_VERBOSE */
-
-#ifdef BTE_DEBUG
-# define BTE_PRINTK(x) printk x /* Terse */
-# ifdef BTE_DEBUG_VERBOSE
-# define BTE_PRINTKV(x) printk x /* Verbose */
-# else
-# define BTE_PRINTKV(x)
-# endif /* BTE_DEBUG_VERBOSE */
-#else
-# define BTE_PRINTK(x)
-# define BTE_PRINTKV(x)
-#endif /* BTE_DEBUG */
-
-
-/* BTE status register only supports 16 bits for length field */
-#define BTE_LEN_BITS (16)
-#define BTE_LEN_MASK ((1 << BTE_LEN_BITS) - 1)
-#define BTE_MAX_XFER ((1 << BTE_LEN_BITS) * L1_CACHE_BYTES)
-
-
-/* Define hardware */
-#define BTES_PER_NODE (is_shub2() ? 4 : 2)
-#define MAX_BTES_PER_NODE 4
-
-#define BTE2OFF_CTRL 0
-#define BTE2OFF_SRC (SH2_BT_ENG_SRC_ADDR_0 - SH2_BT_ENG_CSR_0)
-#define BTE2OFF_DEST (SH2_BT_ENG_DEST_ADDR_0 - SH2_BT_ENG_CSR_0)
-#define BTE2OFF_NOTIFY (SH2_BT_ENG_NOTIF_ADDR_0 - SH2_BT_ENG_CSR_0)
-
-#define BTE_BASE_ADDR(interface) \
- (is_shub2() ? (interface == 0) ? SH2_BT_ENG_CSR_0 : \
- (interface == 1) ? SH2_BT_ENG_CSR_1 : \
- (interface == 2) ? SH2_BT_ENG_CSR_2 : \
- SH2_BT_ENG_CSR_3 \
- : (interface == 0) ? IIO_IBLS0 : IIO_IBLS1)
-
-#define BTE_SOURCE_ADDR(base) \
- (is_shub2() ? base + (BTE2OFF_SRC/8) \
- : base + (BTEOFF_SRC/8))
-
-#define BTE_DEST_ADDR(base) \
- (is_shub2() ? base + (BTE2OFF_DEST/8) \
- : base + (BTEOFF_DEST/8))
-
-#define BTE_CTRL_ADDR(base) \
- (is_shub2() ? base + (BTE2OFF_CTRL/8) \
- : base + (BTEOFF_CTRL/8))
-
-#define BTE_NOTIF_ADDR(base) \
- (is_shub2() ? base + (BTE2OFF_NOTIFY/8) \
- : base + (BTEOFF_NOTIFY/8))
-
-/* Define hardware modes */
-#define BTE_NOTIFY IBCT_NOTIFY
-#define BTE_NORMAL BTE_NOTIFY
-#define BTE_ZERO_FILL (BTE_NOTIFY | IBCT_ZFIL_MODE)
-/* Use a reserved bit to let the caller specify a wait for any BTE */
-#define BTE_WACQUIRE 0x4000
-/* Use the BTE on the node with the destination memory */
-#define BTE_USE_DEST (BTE_WACQUIRE << 1)
-/* Use any available BTE interface on any node for the transfer */
-#define BTE_USE_ANY (BTE_USE_DEST << 1)
-/* macro to force the IBCT0 value valid */
-#define BTE_VALID_MODE(x) ((x) & (IBCT_NOTIFY | IBCT_ZFIL_MODE))
-
-#define BTE_ACTIVE (IBLS_BUSY | IBLS_ERROR)
-#define BTE_WORD_AVAILABLE (IBLS_BUSY << 1)
-#define BTE_WORD_BUSY (~BTE_WORD_AVAILABLE)
-
-/*
- * Some macros to simplify reading.
- * Start with macros to locate the BTE control registers.
- */
-#define BTE_LNSTAT_LOAD(_bte) \
- HUB_L(_bte->bte_base_addr)
-#define BTE_LNSTAT_STORE(_bte, _x) \
- HUB_S(_bte->bte_base_addr, (_x))
-#define BTE_SRC_STORE(_bte, _x) \
-({ \
- u64 __addr = ((_x) & ~AS_MASK); \
- if (is_shub2()) \
- __addr = SH2_TIO_PHYS_TO_DMA(__addr); \
- HUB_S(_bte->bte_source_addr, __addr); \
-})
-#define BTE_DEST_STORE(_bte, _x) \
-({ \
- u64 __addr = ((_x) & ~AS_MASK); \
- if (is_shub2()) \
- __addr = SH2_TIO_PHYS_TO_DMA(__addr); \
- HUB_S(_bte->bte_destination_addr, __addr); \
-})
-#define BTE_CTRL_STORE(_bte, _x) \
- HUB_S(_bte->bte_control_addr, (_x))
-#define BTE_NOTIF_STORE(_bte, _x) \
-({ \
- u64 __addr = ia64_tpa((_x) & ~AS_MASK); \
- if (is_shub2()) \
- __addr = SH2_TIO_PHYS_TO_DMA(__addr); \
- HUB_S(_bte->bte_notify_addr, __addr); \
-})
-
-#define BTE_START_TRANSFER(_bte, _len, _mode) \
- is_shub2() ? BTE_CTRL_STORE(_bte, IBLS_BUSY | (_mode << 24) | _len) \
- : BTE_LNSTAT_STORE(_bte, _len); \
- BTE_CTRL_STORE(_bte, _mode)
-
-/* Possible results from bte_copy and bte_unaligned_copy */
-/* The following error codes map into the BTE hardware codes
- * IIO_ICRB_ECODE_* (in shubio.h). The hardware uses
- * an error code of 0 (IIO_ICRB_ECODE_DERR), but we want zero
- * to mean BTE_SUCCESS, so add one (BTEFAIL_OFFSET) to the error
- * codes to give the following error codes.
- */
-#define BTEFAIL_OFFSET 1
-
-typedef enum {
- BTE_SUCCESS, /* 0 is success */
- BTEFAIL_DIR, /* Directory error due to IIO access*/
- BTEFAIL_POISON, /* poison error on IO access (write to poison page) */
- BTEFAIL_WERR, /* Write error (ie WINV to a Read only line) */
- BTEFAIL_ACCESS, /* access error (protection violation) */
- BTEFAIL_PWERR, /* Partial Write Error */
- BTEFAIL_PRERR, /* Partial Read Error */
- BTEFAIL_TOUT, /* CRB Time out */
- BTEFAIL_XTERR, /* Incoming xtalk pkt had error bit */
- BTEFAIL_NOTAVAIL, /* BTE not available */
-} bte_result_t;
-
-#define BTEFAIL_SH2_RESP_SHORT 0x1 /* bit 000001 */
-#define BTEFAIL_SH2_RESP_LONG 0x2 /* bit 000010 */
-#define BTEFAIL_SH2_RESP_DSP 0x4 /* bit 000100 */
-#define BTEFAIL_SH2_RESP_ACCESS 0x8 /* bit 001000 */
-#define BTEFAIL_SH2_CRB_TO 0x10 /* bit 010000 */
-#define BTEFAIL_SH2_NACK_LIMIT 0x20 /* bit 100000 */
-#define BTEFAIL_SH2_ALL 0x3F /* bit 111111 */
-
-#define BTE_ERR_BITS 0x3FUL
-#define BTE_ERR_SHIFT 36
-#define BTE_ERR_MASK (BTE_ERR_BITS << BTE_ERR_SHIFT)
-
-#define BTE_ERROR_RETRY(value) \
- (is_shub2() ? (value != BTEFAIL_SH2_CRB_TO) \
- : (value != BTEFAIL_TOUT))
-
-/*
- * On shub1 BTE_ERR_MASK will always be false, so no need for is_shub2()
- */
-#define BTE_SHUB2_ERROR(_status) \
- ((_status & BTE_ERR_MASK) \
- ? (((_status >> BTE_ERR_SHIFT) & BTE_ERR_BITS) | IBLS_ERROR) \
- : _status)
-
-#define BTE_GET_ERROR_STATUS(_status) \
- (BTE_SHUB2_ERROR(_status) & ~IBLS_ERROR)
-
-#define BTE_VALID_SH2_ERROR(value) \
- ((value >= BTEFAIL_SH2_RESP_SHORT) && (value <= BTEFAIL_SH2_ALL))
-
-/*
- * Structure defining a bte. An instance of this
- * structure is created in the nodepda for each
- * bte on that node (as defined by BTES_PER_NODE)
- * This structure contains everything necessary
- * to work with a BTE.
- */
-struct bteinfo_s {
- volatile u64 notify ____cacheline_aligned;
- u64 *bte_base_addr ____cacheline_aligned;
- u64 *bte_source_addr;
- u64 *bte_destination_addr;
- u64 *bte_control_addr;
- u64 *bte_notify_addr;
- spinlock_t spinlock;
- cnodeid_t bte_cnode; /* cnode */
- int bte_error_count; /* Number of errors encountered */
- int bte_num; /* 0 --> BTE0, 1 --> BTE1 */
- int cleanup_active; /* Interface is locked for cleanup */
- volatile bte_result_t bh_error; /* error while processing */
- volatile u64 *most_rcnt_na;
- struct bteinfo_s *btes_to_try[MAX_BTES_PER_NODE];
-};
-
-
-/*
- * Function prototypes (functions defined in bte.c, used elsewhere)
- */
-extern bte_result_t bte_copy(u64, u64, u64, u64, void *);
-extern bte_result_t bte_unaligned_copy(u64, u64, u64, u64);
-extern void bte_error_handler(unsigned long);
-
-#define bte_zero(dest, len, mode, notification) \
- bte_copy(0, dest, len, ((mode) | BTE_ZERO_FILL), notification)
-
-/*
- * The following is the prefered way of calling bte_unaligned_copy
- * If the copy is fully cache line aligned, then bte_copy is
- * used instead. Since bte_copy is inlined, this saves a call
- * stack. NOTE: bte_copy is called synchronously and does block
- * until the transfer is complete. In order to get the asynch
- * version of bte_copy, you must perform this check yourself.
- */
-#define BTE_UNALIGNED_COPY(src, dest, len, mode) \
- (((len & L1_CACHE_MASK) || (src & L1_CACHE_MASK) || \
- (dest & L1_CACHE_MASK)) ? \
- bte_unaligned_copy(src, dest, len, mode) : \
- bte_copy(src, dest, len, mode, NULL))
-
-
-#endif /* _ASM_IA64_SN_BTE_H */
generated by cgit v1.1 at 2024-10-31 01:17:34 +0000