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Diffstat (limited to 'ANDROID_3.4.5/drivers/misc/sgi-gru/gruhandles.h')
-rw-r--r--ANDROID_3.4.5/drivers/misc/sgi-gru/gruhandles.h531
1 files changed, 0 insertions, 531 deletions
diff --git a/ANDROID_3.4.5/drivers/misc/sgi-gru/gruhandles.h b/ANDROID_3.4.5/drivers/misc/sgi-gru/gruhandles.h
deleted file mode 100644
index 3f998b92..00000000
--- a/ANDROID_3.4.5/drivers/misc/sgi-gru/gruhandles.h
+++ /dev/null
@@ -1,531 +0,0 @@
-/*
- * SN Platform GRU Driver
- *
- * GRU HANDLE DEFINITION
- *
- * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef __GRUHANDLES_H__
-#define __GRUHANDLES_H__
-#include "gru_instructions.h"
-
-/*
- * Manifest constants for GRU Memory Map
- */
-#define GRU_GSEG0_BASE 0
-#define GRU_MCS_BASE (64 * 1024 * 1024)
-#define GRU_SIZE (128UL * 1024 * 1024)
-
-/* Handle & resource counts */
-#define GRU_NUM_CB 128
-#define GRU_NUM_DSR_BYTES (32 * 1024)
-#define GRU_NUM_TFM 16
-#define GRU_NUM_TGH 24
-#define GRU_NUM_CBE 128
-#define GRU_NUM_TFH 128
-#define GRU_NUM_CCH 16
-
-/* Maximum resource counts that can be reserved by user programs */
-#define GRU_NUM_USER_CBR GRU_NUM_CBE
-#define GRU_NUM_USER_DSR_BYTES GRU_NUM_DSR_BYTES
-
-/* Bytes per handle & handle stride. Code assumes all cb, tfh, cbe handles
- * are the same */
-#define GRU_HANDLE_BYTES 64
-#define GRU_HANDLE_STRIDE 256
-
-/* Base addresses of handles */
-#define GRU_TFM_BASE (GRU_MCS_BASE + 0x00000)
-#define GRU_TGH_BASE (GRU_MCS_BASE + 0x08000)
-#define GRU_CBE_BASE (GRU_MCS_BASE + 0x10000)
-#define GRU_TFH_BASE (GRU_MCS_BASE + 0x18000)
-#define GRU_CCH_BASE (GRU_MCS_BASE + 0x20000)
-
-/* User gseg constants */
-#define GRU_GSEG_STRIDE (4 * 1024 * 1024)
-#define GSEG_BASE(a) ((a) & ~(GRU_GSEG_PAGESIZE - 1))
-
-/* Data segment constants */
-#define GRU_DSR_AU_BYTES 1024
-#define GRU_DSR_CL (GRU_NUM_DSR_BYTES / GRU_CACHE_LINE_BYTES)
-#define GRU_DSR_AU_CL (GRU_DSR_AU_BYTES / GRU_CACHE_LINE_BYTES)
-#define GRU_DSR_AU (GRU_NUM_DSR_BYTES / GRU_DSR_AU_BYTES)
-
-/* Control block constants */
-#define GRU_CBR_AU_SIZE 2
-#define GRU_CBR_AU (GRU_NUM_CBE / GRU_CBR_AU_SIZE)
-
-/* Convert resource counts to the number of AU */
-#define GRU_DS_BYTES_TO_AU(n) DIV_ROUND_UP(n, GRU_DSR_AU_BYTES)
-#define GRU_CB_COUNT_TO_AU(n) DIV_ROUND_UP(n, GRU_CBR_AU_SIZE)
-
-/* UV limits */
-#define GRU_CHIPLETS_PER_HUB 2
-#define GRU_HUBS_PER_BLADE 1
-#define GRU_CHIPLETS_PER_BLADE (GRU_HUBS_PER_BLADE * GRU_CHIPLETS_PER_HUB)
-
-/* User GRU Gseg offsets */
-#define GRU_CB_BASE 0
-#define GRU_CB_LIMIT (GRU_CB_BASE + GRU_HANDLE_STRIDE * GRU_NUM_CBE)
-#define GRU_DS_BASE 0x20000
-#define GRU_DS_LIMIT (GRU_DS_BASE + GRU_NUM_DSR_BYTES)
-
-/* Convert a GRU physical address to the chiplet offset */
-#define GSEGPOFF(h) ((h) & (GRU_SIZE - 1))
-
-/* Convert an arbitrary handle address to the beginning of the GRU segment */
-#define GRUBASE(h) ((void *)((unsigned long)(h) & ~(GRU_SIZE - 1)))
-
-/* Test a valid handle address to determine the type */
-#define TYPE_IS(hn, h) ((h) >= GRU_##hn##_BASE && (h) < \
- GRU_##hn##_BASE + GRU_NUM_##hn * GRU_HANDLE_STRIDE && \
- (((h) & (GRU_HANDLE_STRIDE - 1)) == 0))
-
-
-/* General addressing macros. */
-static inline void *get_gseg_base_address(void *base, int ctxnum)
-{
- return (void *)(base + GRU_GSEG0_BASE + GRU_GSEG_STRIDE * ctxnum);
-}
-
-static inline void *get_gseg_base_address_cb(void *base, int ctxnum, int line)
-{
- return (void *)(get_gseg_base_address(base, ctxnum) +
- GRU_CB_BASE + GRU_HANDLE_STRIDE * line);
-}
-
-static inline void *get_gseg_base_address_ds(void *base, int ctxnum, int line)
-{
- return (void *)(get_gseg_base_address(base, ctxnum) + GRU_DS_BASE +
- GRU_CACHE_LINE_BYTES * line);
-}
-
-static inline struct gru_tlb_fault_map *get_tfm(void *base, int ctxnum)
-{
- return (struct gru_tlb_fault_map *)(base + GRU_TFM_BASE +
- ctxnum * GRU_HANDLE_STRIDE);
-}
-
-static inline struct gru_tlb_global_handle *get_tgh(void *base, int ctxnum)
-{
- return (struct gru_tlb_global_handle *)(base + GRU_TGH_BASE +
- ctxnum * GRU_HANDLE_STRIDE);
-}
-
-static inline struct gru_control_block_extended *get_cbe(void *base, int ctxnum)
-{
- return (struct gru_control_block_extended *)(base + GRU_CBE_BASE +
- ctxnum * GRU_HANDLE_STRIDE);
-}
-
-static inline struct gru_tlb_fault_handle *get_tfh(void *base, int ctxnum)
-{
- return (struct gru_tlb_fault_handle *)(base + GRU_TFH_BASE +
- ctxnum * GRU_HANDLE_STRIDE);
-}
-
-static inline struct gru_context_configuration_handle *get_cch(void *base,
- int ctxnum)
-{
- return (struct gru_context_configuration_handle *)(base +
- GRU_CCH_BASE + ctxnum * GRU_HANDLE_STRIDE);
-}
-
-static inline unsigned long get_cb_number(void *cb)
-{
- return (((unsigned long)cb - GRU_CB_BASE) % GRU_GSEG_PAGESIZE) /
- GRU_HANDLE_STRIDE;
-}
-
-/* byte offset to a specific GRU chiplet. (p=pnode, c=chiplet (0 or 1)*/
-static inline unsigned long gru_chiplet_paddr(unsigned long paddr, int pnode,
- int chiplet)
-{
- return paddr + GRU_SIZE * (2 * pnode + chiplet);
-}
-
-static inline void *gru_chiplet_vaddr(void *vaddr, int pnode, int chiplet)
-{
- return vaddr + GRU_SIZE * (2 * pnode + chiplet);
-}
-
-static inline struct gru_control_block_extended *gru_tfh_to_cbe(
- struct gru_tlb_fault_handle *tfh)
-{
- unsigned long cbe;
-
- cbe = (unsigned long)tfh - GRU_TFH_BASE + GRU_CBE_BASE;
- return (struct gru_control_block_extended*)cbe;
-}
-
-
-
-
-/*
- * Global TLB Fault Map
- * Bitmap of outstanding TLB misses needing interrupt/polling service.
- *
- */
-struct gru_tlb_fault_map {
- unsigned long fault_bits[BITS_TO_LONGS(GRU_NUM_CBE)];
- unsigned long fill0[2];
- unsigned long done_bits[BITS_TO_LONGS(GRU_NUM_CBE)];
- unsigned long fill1[2];
-};
-
-/*
- * TGH - TLB Global Handle
- * Used for TLB flushing.
- *
- */
-struct gru_tlb_global_handle {
- unsigned int cmd:1; /* DW 0 */
- unsigned int delresp:1;
- unsigned int opc:1;
- unsigned int fill1:5;
-
- unsigned int fill2:8;
-
- unsigned int status:2;
- unsigned long fill3:2;
- unsigned int state:3;
- unsigned long fill4:1;
-
- unsigned int cause:3;
- unsigned long fill5:37;
-
- unsigned long vaddr:64; /* DW 1 */
-
- unsigned int asid:24; /* DW 2 */
- unsigned int fill6:8;
-
- unsigned int pagesize:5;
- unsigned int fill7:11;
-
- unsigned int global:1;
- unsigned int fill8:15;
-
- unsigned long vaddrmask:39; /* DW 3 */
- unsigned int fill9:9;
- unsigned int n:10;
- unsigned int fill10:6;
-
- unsigned int ctxbitmap:16; /* DW4 */
- unsigned long fill11[3];
-};
-
-enum gru_tgh_cmd {
- TGHCMD_START
-};
-
-enum gru_tgh_opc {
- TGHOP_TLBNOP,
- TGHOP_TLBINV
-};
-
-enum gru_tgh_status {
- TGHSTATUS_IDLE,
- TGHSTATUS_EXCEPTION,
- TGHSTATUS_ACTIVE
-};
-
-enum gru_tgh_state {
- TGHSTATE_IDLE,
- TGHSTATE_PE_INVAL,
- TGHSTATE_INTERRUPT_INVAL,
- TGHSTATE_WAITDONE,
- TGHSTATE_RESTART_CTX,
-};
-
-enum gru_tgh_cause {
- TGHCAUSE_RR_ECC,
- TGHCAUSE_TLB_ECC,
- TGHCAUSE_LRU_ECC,
- TGHCAUSE_PS_ECC,
- TGHCAUSE_MUL_ERR,
- TGHCAUSE_DATA_ERR,
- TGHCAUSE_SW_FORCE
-};
-
-
-/*
- * TFH - TLB Global Handle
- * Used for TLB dropins into the GRU TLB.
- *
- */
-struct gru_tlb_fault_handle {
- unsigned int cmd:1; /* DW 0 - low 32*/
- unsigned int delresp:1;
- unsigned int fill0:2;
- unsigned int opc:3;
- unsigned int fill1:9;
-
- unsigned int status:2;
- unsigned int fill2:2;
- unsigned int state:3;
- unsigned int fill3:1;
-
- unsigned int cause:6;
- unsigned int cb_int:1;
- unsigned int fill4:1;
-
- unsigned int indexway:12; /* DW 0 - high 32 */
- unsigned int fill5:4;
-
- unsigned int ctxnum:4;
- unsigned int fill6:12;
-
- unsigned long missvaddr:64; /* DW 1 */
-
- unsigned int missasid:24; /* DW 2 */
- unsigned int fill7:8;
- unsigned int fillasid:24;
- unsigned int dirty:1;
- unsigned int gaa:2;
- unsigned long fill8:5;
-
- unsigned long pfn:41; /* DW 3 */
- unsigned int fill9:7;
- unsigned int pagesize:5;
- unsigned int fill10:11;
-
- unsigned long fillvaddr:64; /* DW 4 */
-
- unsigned long fill11[3];
-};
-
-enum gru_tfh_opc {
- TFHOP_NOOP,
- TFHOP_RESTART,
- TFHOP_WRITE_ONLY,
- TFHOP_WRITE_RESTART,
- TFHOP_EXCEPTION,
- TFHOP_USER_POLLING_MODE = 7,
-};
-
-enum tfh_status {
- TFHSTATUS_IDLE,
- TFHSTATUS_EXCEPTION,
- TFHSTATUS_ACTIVE,
-};
-
-enum tfh_state {
- TFHSTATE_INACTIVE,
- TFHSTATE_IDLE,
- TFHSTATE_MISS_UPM,
- TFHSTATE_MISS_FMM,
- TFHSTATE_HW_ERR,
- TFHSTATE_WRITE_TLB,
- TFHSTATE_RESTART_CBR,
-};
-
-/* TFH cause bits */
-enum tfh_cause {
- TFHCAUSE_NONE,
- TFHCAUSE_TLB_MISS,
- TFHCAUSE_TLB_MOD,
- TFHCAUSE_HW_ERROR_RR,
- TFHCAUSE_HW_ERROR_MAIN_ARRAY,
- TFHCAUSE_HW_ERROR_VALID,
- TFHCAUSE_HW_ERROR_PAGESIZE,
- TFHCAUSE_INSTRUCTION_EXCEPTION,
- TFHCAUSE_UNCORRECTIBLE_ERROR,
-};
-
-/* GAA values */
-#define GAA_RAM 0x0
-#define GAA_NCRAM 0x2
-#define GAA_MMIO 0x1
-#define GAA_REGISTER 0x3
-
-/* GRU paddr shift for pfn. (NOTE: shift is NOT by actual pagesize) */
-#define GRU_PADDR_SHIFT 12
-
-/*
- * Context Configuration handle
- * Used to allocate resources to a GSEG context.
- *
- */
-struct gru_context_configuration_handle {
- unsigned int cmd:1; /* DW0 */
- unsigned int delresp:1;
- unsigned int opc:3;
- unsigned int unmap_enable:1;
- unsigned int req_slice_set_enable:1;
- unsigned int req_slice:2;
- unsigned int cb_int_enable:1;
- unsigned int tlb_int_enable:1;
- unsigned int tfm_fault_bit_enable:1;
- unsigned int tlb_int_select:4;
-
- unsigned int status:2;
- unsigned int state:2;
- unsigned int reserved2:4;
-
- unsigned int cause:4;
- unsigned int tfm_done_bit_enable:1;
- unsigned int unused:3;
-
- unsigned int dsr_allocation_map;
-
- unsigned long cbr_allocation_map; /* DW1 */
-
- unsigned int asid[8]; /* DW 2 - 5 */
- unsigned short sizeavail[8]; /* DW 6 - 7 */
-} __attribute__ ((packed));
-
-enum gru_cch_opc {
- CCHOP_START = 1,
- CCHOP_ALLOCATE,
- CCHOP_INTERRUPT,
- CCHOP_DEALLOCATE,
- CCHOP_INTERRUPT_SYNC,
-};
-
-enum gru_cch_status {
- CCHSTATUS_IDLE,
- CCHSTATUS_EXCEPTION,
- CCHSTATUS_ACTIVE,
-};
-
-enum gru_cch_state {
- CCHSTATE_INACTIVE,
- CCHSTATE_MAPPED,
- CCHSTATE_ACTIVE,
- CCHSTATE_INTERRUPTED,
-};
-
-/* CCH Exception cause */
-enum gru_cch_cause {
- CCHCAUSE_REGION_REGISTER_WRITE_ERROR = 1,
- CCHCAUSE_ILLEGAL_OPCODE = 2,
- CCHCAUSE_INVALID_START_REQUEST = 3,
- CCHCAUSE_INVALID_ALLOCATION_REQUEST = 4,
- CCHCAUSE_INVALID_DEALLOCATION_REQUEST = 5,
- CCHCAUSE_INVALID_INTERRUPT_REQUEST = 6,
- CCHCAUSE_CCH_BUSY = 7,
- CCHCAUSE_NO_CBRS_TO_ALLOCATE = 8,
- CCHCAUSE_BAD_TFM_CONFIG = 9,
- CCHCAUSE_CBR_RESOURCES_OVERSUBSCRIPED = 10,
- CCHCAUSE_DSR_RESOURCES_OVERSUBSCRIPED = 11,
- CCHCAUSE_CBR_DEALLOCATION_ERROR = 12,
-};
-/*
- * CBE - Control Block Extended
- * Maintains internal GRU state for active CBs.
- *
- */
-struct gru_control_block_extended {
- unsigned int reserved0:1; /* DW 0 - low */
- unsigned int imacpy:3;
- unsigned int reserved1:4;
- unsigned int xtypecpy:3;
- unsigned int iaa0cpy:2;
- unsigned int iaa1cpy:2;
- unsigned int reserved2:1;
- unsigned int opccpy:8;
- unsigned int exopccpy:8;
-
- unsigned int idef2cpy:22; /* DW 0 - high */
- unsigned int reserved3:10;
-
- unsigned int idef4cpy:22; /* DW 1 */
- unsigned int reserved4:10;
- unsigned int idef4upd:22;
- unsigned int reserved5:10;
-
- unsigned long idef1upd:64; /* DW 2 */
-
- unsigned long idef5cpy:64; /* DW 3 */
-
- unsigned long idef6cpy:64; /* DW 4 */
-
- unsigned long idef3upd:64; /* DW 5 */
-
- unsigned long idef5upd:64; /* DW 6 */
-
- unsigned int idef2upd:22; /* DW 7 */
- unsigned int reserved6:10;
-
- unsigned int ecause:20;
- unsigned int cbrstate:4;
- unsigned int cbrexecstatus:8;
-};
-
-/* CBE fields for active BCOPY instructions */
-#define cbe_baddr0 idef1upd
-#define cbe_baddr1 idef3upd
-#define cbe_src_cl idef6cpy
-#define cbe_nelemcur idef5upd
-
-enum gru_cbr_state {
- CBRSTATE_INACTIVE,
- CBRSTATE_IDLE,
- CBRSTATE_PE_CHECK,
- CBRSTATE_QUEUED,
- CBRSTATE_WAIT_RESPONSE,
- CBRSTATE_INTERRUPTED,
- CBRSTATE_INTERRUPTED_MISS_FMM,
- CBRSTATE_BUSY_INTERRUPT_MISS_FMM,
- CBRSTATE_INTERRUPTED_MISS_UPM,
- CBRSTATE_BUSY_INTERRUPTED_MISS_UPM,
- CBRSTATE_REQUEST_ISSUE,
- CBRSTATE_BUSY_INTERRUPT,
-};
-
-/* CBE cbrexecstatus bits - defined in gru_instructions.h*/
-/* CBE ecause bits - defined in gru_instructions.h */
-
-/*
- * Convert a processor pagesize into the strange encoded pagesize used by the
- * GRU. Processor pagesize is encoded as log of bytes per page. (or PAGE_SHIFT)
- * pagesize log pagesize grupagesize
- * 4k 12 0
- * 16k 14 1
- * 64k 16 2
- * 256k 18 3
- * 1m 20 4
- * 2m 21 5
- * 4m 22 6
- * 16m 24 7
- * 64m 26 8
- * ...
- */
-#define GRU_PAGESIZE(sh) ((((sh) > 20 ? (sh) + 2 : (sh)) >> 1) - 6)
-#define GRU_SIZEAVAIL(sh) (1UL << GRU_PAGESIZE(sh))
-
-/* minimum TLB purge count to ensure a full purge */
-#define GRUMAXINVAL 1024UL
-
-int cch_allocate(struct gru_context_configuration_handle *cch);
-int cch_start(struct gru_context_configuration_handle *cch);
-int cch_interrupt(struct gru_context_configuration_handle *cch);
-int cch_deallocate(struct gru_context_configuration_handle *cch);
-int cch_interrupt_sync(struct gru_context_configuration_handle *cch);
-int tgh_invalidate(struct gru_tlb_global_handle *tgh, unsigned long vaddr,
- unsigned long vaddrmask, int asid, int pagesize, int global, int n,
- unsigned short ctxbitmap);
-int tfh_write_only(struct gru_tlb_fault_handle *tfh, unsigned long paddr,
- int gaa, unsigned long vaddr, int asid, int dirty, int pagesize);
-void tfh_write_restart(struct gru_tlb_fault_handle *tfh, unsigned long paddr,
- int gaa, unsigned long vaddr, int asid, int dirty, int pagesize);
-void tfh_restart(struct gru_tlb_fault_handle *tfh);
-void tfh_user_polling_mode(struct gru_tlb_fault_handle *tfh);
-void tfh_exception(struct gru_tlb_fault_handle *tfh);
-
-#endif /* __GRUHANDLES_H__ */
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