531 lines
13 KiB
C
531 lines
13 KiB
C
|
/*
|
||
|
|
* 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_user_polling_mode(struct gru_tlb_fault_handle *tfh);
|
||
|
|
void tfh_exception(struct gru_tlb_fault_handle *tfh);
|
||
|
|
|
||
|
|
#endif /* __GRUHANDLES_H__ */
|