qemu/include/hw/pci-host/q35.h
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   1/*
   2 * q35.h
   3 *
   4 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
   5 *                    VA Linux Systems Japan K.K.
   6 * Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, see <http://www.gnu.org/licenses/>
  20 */
  21
  22#ifndef HW_Q35_H
  23#define HW_Q35_H
  24
  25#include "hw/pci/pci.h"
  26#include "hw/pci/pcie_host.h"
  27#include "hw/pci-host/pam.h"
  28#include "qemu/units.h"
  29#include "qemu/range.h"
  30#include "qom/object.h"
  31
  32#define TYPE_Q35_HOST_DEVICE "q35-pcihost"
  33OBJECT_DECLARE_SIMPLE_TYPE(Q35PCIHost, Q35_HOST_DEVICE)
  34
  35#define TYPE_MCH_PCI_DEVICE "mch"
  36OBJECT_DECLARE_SIMPLE_TYPE(MCHPCIState, MCH_PCI_DEVICE)
  37
  38struct MCHPCIState {
  39    /*< private >*/
  40    PCIDevice parent_obj;
  41    /*< public >*/
  42
  43    MemoryRegion *ram_memory;
  44    MemoryRegion *pci_address_space;
  45    MemoryRegion *system_memory;
  46    MemoryRegion *address_space_io;
  47    PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
  48    MemoryRegion smram_region, open_high_smram;
  49    MemoryRegion smram, low_smram, high_smram;
  50    MemoryRegion tseg_blackhole, tseg_window;
  51    MemoryRegion smbase_blackhole, smbase_window;
  52    bool has_smram_at_smbase;
  53    Range pci_hole;
  54    uint64_t below_4g_mem_size;
  55    uint64_t above_4g_mem_size;
  56    uint64_t pci_hole64_size;
  57    uint32_t short_root_bus;
  58    uint16_t ext_tseg_mbytes;
  59};
  60
  61struct Q35PCIHost {
  62    /*< private >*/
  63    PCIExpressHost parent_obj;
  64    /*< public >*/
  65
  66    bool pci_hole64_fix;
  67    MCHPCIState mch;
  68};
  69
  70#define Q35_MASK(bit, ms_bit, ls_bit) \
  71((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
  72
  73/*
  74 * gmch part
  75 */
  76
  77#define MCH_HOST_PROP_RAM_MEM "ram-mem"
  78#define MCH_HOST_PROP_PCI_MEM "pci-mem"
  79#define MCH_HOST_PROP_SYSTEM_MEM "system-mem"
  80#define MCH_HOST_PROP_IO_MEM "io-mem"
  81
  82/* PCI configuration */
  83#define MCH_HOST_BRIDGE                        "MCH"
  84
  85#define MCH_HOST_BRIDGE_CONFIG_ADDR            0xcf8
  86#define MCH_HOST_BRIDGE_CONFIG_DATA            0xcfc
  87
  88/* D0:F0 configuration space */
  89#define MCH_HOST_BRIDGE_REVISION_DEFAULT       0x0
  90
  91#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES        0x50
  92#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE   2
  93#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY  0xffff
  94#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX    0xfff
  95
  96#define MCH_HOST_BRIDGE_SMBASE_SIZE            (128 * KiB)
  97#define MCH_HOST_BRIDGE_SMBASE_ADDR            0x30000
  98#define MCH_HOST_BRIDGE_F_SMBASE               0x9c
  99#define MCH_HOST_BRIDGE_F_SMBASE_QUERY         0xff
 100#define MCH_HOST_BRIDGE_F_SMBASE_IN_RAM        0x01
 101#define MCH_HOST_BRIDGE_F_SMBASE_LCK           0x02
 102
 103#define MCH_HOST_BRIDGE_PCIEXBAR               0x60    /* 64bit register */
 104#define MCH_HOST_BRIDGE_PCIEXBAR_SIZE          8       /* 64bit register */
 105#define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT       0xb0000000
 106#define MCH_HOST_BRIDGE_PCIEXBAR_MAX           (0x10000000) /* 256M */
 107#define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK         Q35_MASK(64, 35, 28)
 108#define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK      ((uint64_t)(1 << 26))
 109#define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK       ((uint64_t)(1 << 25))
 110#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK   ((uint64_t)(0x3 << 1))
 111#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M   ((uint64_t)(0x0 << 1))
 112#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M   ((uint64_t)(0x1 << 1))
 113#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M    ((uint64_t)(0x2 << 1))
 114#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD    ((uint64_t)(0x3 << 1))
 115#define MCH_HOST_BRIDGE_PCIEXBAREN             ((uint64_t)1)
 116
 117#define MCH_HOST_BRIDGE_PAM_NB                 7
 118#define MCH_HOST_BRIDGE_PAM_SIZE               7
 119#define MCH_HOST_BRIDGE_PAM0                   0x90
 120#define MCH_HOST_BRIDGE_PAM_BIOS_AREA          0xf0000
 121#define MCH_HOST_BRIDGE_PAM_AREA_SIZE          0x10000 /* 16KB */
 122#define MCH_HOST_BRIDGE_PAM1                   0x91
 123#define MCH_HOST_BRIDGE_PAM_EXPAN_AREA         0xc0000
 124#define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE         0x04000
 125#define MCH_HOST_BRIDGE_PAM2                   0x92
 126#define MCH_HOST_BRIDGE_PAM3                   0x93
 127#define MCH_HOST_BRIDGE_PAM4                   0x94
 128#define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA        0xe0000
 129#define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE        0x04000
 130#define MCH_HOST_BRIDGE_PAM5                   0x95
 131#define MCH_HOST_BRIDGE_PAM6                   0x96
 132#define MCH_HOST_BRIDGE_PAM_WE_HI              ((uint8_t)(0x2 << 4))
 133#define MCH_HOST_BRIDGE_PAM_RE_HI              ((uint8_t)(0x1 << 4))
 134#define MCH_HOST_BRIDGE_PAM_HI_MASK            ((uint8_t)(0x3 << 4))
 135#define MCH_HOST_BRIDGE_PAM_WE_LO              ((uint8_t)0x2)
 136#define MCH_HOST_BRIDGE_PAM_RE_LO              ((uint8_t)0x1)
 137#define MCH_HOST_BRIDGE_PAM_LO_MASK            ((uint8_t)0x3)
 138#define MCH_HOST_BRIDGE_PAM_WE                 ((uint8_t)0x2)
 139#define MCH_HOST_BRIDGE_PAM_RE                 ((uint8_t)0x1)
 140#define MCH_HOST_BRIDGE_PAM_MASK               ((uint8_t)0x3)
 141
 142#define MCH_HOST_BRIDGE_SMRAM                  0x9d
 143#define MCH_HOST_BRIDGE_SMRAM_SIZE             2
 144#define MCH_HOST_BRIDGE_SMRAM_D_OPEN           ((uint8_t)(1 << 6))
 145#define MCH_HOST_BRIDGE_SMRAM_D_CLS            ((uint8_t)(1 << 5))
 146#define MCH_HOST_BRIDGE_SMRAM_D_LCK            ((uint8_t)(1 << 4))
 147#define MCH_HOST_BRIDGE_SMRAM_G_SMRAME         ((uint8_t)(1 << 3))
 148#define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK  ((uint8_t)0x7)
 149#define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG       ((uint8_t)0x2)  /* hardwired to b010 */
 150#define MCH_HOST_BRIDGE_SMRAM_C_BASE           0xa0000
 151#define MCH_HOST_BRIDGE_SMRAM_C_END            0xc0000
 152#define MCH_HOST_BRIDGE_SMRAM_C_SIZE           0x20000
 153#define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END  0x100000
 154#define MCH_HOST_BRIDGE_SMRAM_DEFAULT           \
 155    MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG
 156#define MCH_HOST_BRIDGE_SMRAM_WMASK             \
 157    (MCH_HOST_BRIDGE_SMRAM_D_OPEN |             \
 158     MCH_HOST_BRIDGE_SMRAM_D_CLS |              \
 159     MCH_HOST_BRIDGE_SMRAM_D_LCK |              \
 160     MCH_HOST_BRIDGE_SMRAM_G_SMRAME)
 161#define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK         \
 162    MCH_HOST_BRIDGE_SMRAM_D_CLS
 163
 164#define MCH_HOST_BRIDGE_ESMRAMC                0x9e
 165#define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME       ((uint8_t)(1 << 7))
 166#define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR        ((uint8_t)(1 << 6))
 167#define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE       ((uint8_t)(1 << 5))
 168#define MCH_HOST_BRIDGE_ESMRAMC_SM_L1          ((uint8_t)(1 << 4))
 169#define MCH_HOST_BRIDGE_ESMRAMC_SM_L2          ((uint8_t)(1 << 3))
 170#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK   ((uint8_t)(0x3 << 1))
 171#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB    ((uint8_t)(0x0 << 1))
 172#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB    ((uint8_t)(0x1 << 1))
 173#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB    ((uint8_t)(0x2 << 1))
 174#define MCH_HOST_BRIDGE_ESMRAMC_T_EN           ((uint8_t)1)
 175#define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \
 176    (MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \
 177     MCH_HOST_BRIDGE_ESMRAMC_SM_L1 |    \
 178     MCH_HOST_BRIDGE_ESMRAMC_SM_L2)
 179#define MCH_HOST_BRIDGE_ESMRAMC_WMASK               \
 180    (MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME |             \
 181     MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK |         \
 182     MCH_HOST_BRIDGE_ESMRAMC_T_EN)
 183#define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK     0
 184
 185/* D1:F0 PCIE* port*/
 186#define MCH_PCIE_DEV                           1
 187#define MCH_PCIE_FUNC                          0
 188
 189uint64_t mch_mcfg_base(void);
 190
 191/*
 192 * Arbitrary but unique BNF number for IOAPIC device.
 193 *
 194 * TODO: make sure there would have no conflict with real PCI bus
 195 */
 196#define Q35_PSEUDO_BUS_PLATFORM         (0xff)
 197#define Q35_PSEUDO_DEVFN_IOAPIC         (0x00)
 198
 199#endif /* HW_Q35_H */
 200