include/hw/pci-host/q35.h

   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 Lesser General Public
  19  * License along with this library; if not, see <http://www.gnu.org/licenses/>
  20  */
  21
  22 #ifndef HW_Q35_H
  23 #define HW_Q35_H
  24
  25 #include "hw/hw.h"
  26 #include "hw/isa/isa.h"
  27 #include "hw/sysbus.h"
  28 #include "hw/i386/pc.h"
  29 #include "hw/isa/apm.h"
  30 #include "hw/pci/pci.h"
  31 #include "hw/pci/pcie_host.h"
  32 #include "hw/acpi/acpi.h"
  33 #include "hw/acpi/ich9.h"
  34 #include "hw/pci-host/pam.h"
  35 #include "hw/i386/intel_iommu.h"
  36
  37 #define TYPE_Q35_HOST_DEVICE "q35-pcihost"
  38 #define Q35_HOST_DEVICE(obj) \
  39      OBJECT_CHECK(Q35PCIHost, (obj), TYPE_Q35_HOST_DEVICE)
  40
  41 #define TYPE_MCH_PCI_DEVICE "mch"
  42 #define MCH_PCI_DEVICE(obj) \
  43      OBJECT_CHECK(MCHPCIState, (obj), TYPE_MCH_PCI_DEVICE)
  44
  45 typedef struct MCHPCIState {
  46     /*< private >*/
  47     PCIDevice parent_obj;
  48     /*< public >*/
  49
  50     MemoryRegion *ram_memory;
  51     MemoryRegion *pci_address_space;
  52     MemoryRegion *system_memory;
  53     MemoryRegion *address_space_io;
  54     PAMMemoryRegion pam_regions[13];
  55     MemoryRegion smram_region, open_high_smram;
  56     MemoryRegion smram, low_smram, high_smram;
  57     MemoryRegion tseg_blackhole, tseg_window;
  58     Range pci_hole;
  59     uint64_t below_4g_mem_size;
  60     uint64_t above_4g_mem_size;
  61     uint64_t pci_hole64_size;
  62     uint32_t short_root_bus;
  63     uint16_t ext_tseg_mbytes;
  64 } MCHPCIState;
  65
  66 typedef struct Q35PCIHost {
  67     /*< private >*/
  68     PCIExpressHost parent_obj;
  69     /*< public >*/
  70
  71     bool pci_hole64_fix;
  72     MCHPCIState mch;
  73 } Q35PCIHost;
  74
  75 #define Q35_MASK(bit, ms_bit, ls_bit) \
  76 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
  77
  78 /*
  79  * gmch part
  80  */
  81
  82 #define MCH_HOST_PROP_RAM_MEM "ram-mem"
  83 #define MCH_HOST_PROP_PCI_MEM "pci-mem"
  84 #define MCH_HOST_PROP_SYSTEM_MEM "system-mem"
  85 #define MCH_HOST_PROP_IO_MEM "io-mem"
  86
  87 /* PCI configuration */
  88 #define MCH_HOST_BRIDGE                        "MCH"
  89
  90 #define MCH_HOST_BRIDGE_CONFIG_ADDR            0xcf8
  91 #define MCH_HOST_BRIDGE_CONFIG_DATA            0xcfc
  92
  93 /* D0:F0 configuration space */
  94 #define MCH_HOST_BRIDGE_REVISION_DEFAULT       0x0
  95
  96 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES        0x50
  97 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE   2
  98 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY  0xffff
  99 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX    0xfff
 100
 101 #define MCH_HOST_BRIDGE_PCIEXBAR               0x60    /* 64bit register */
 102 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE          8       /* 64bit register */
 103 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT       0xb0000000
 104 #define MCH_HOST_BRIDGE_PCIEXBAR_MAX           (0x10000000) /* 256M */
 105 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK         Q35_MASK(64, 35, 28)
 106 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK      ((uint64_t)(1 << 26))
 107 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK       ((uint64_t)(1 << 25))
 108 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK   ((uint64_t)(0x3 << 1))
 109 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M   ((uint64_t)(0x0 << 1))
 110 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M   ((uint64_t)(0x1 << 1))
 111 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M    ((uint64_t)(0x2 << 1))
 112 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD    ((uint64_t)(0x3 << 1))
 113 #define MCH_HOST_BRIDGE_PCIEXBAREN             ((uint64_t)1)
 114
 115 #define MCH_HOST_BRIDGE_PAM_NB                 7
 116 #define MCH_HOST_BRIDGE_PAM_SIZE               7
 117 #define MCH_HOST_BRIDGE_PAM0                   0x90
 118 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA          0xf0000
 119 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE          0x10000 /* 16KB */
 120 #define MCH_HOST_BRIDGE_PAM1                   0x91
 121 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA         0xc0000
 122 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE         0x04000
 123 #define MCH_HOST_BRIDGE_PAM2                   0x92
 124 #define MCH_HOST_BRIDGE_PAM3                   0x93
 125 #define MCH_HOST_BRIDGE_PAM4                   0x94
 126 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA        0xe0000
 127 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE        0x04000
 128 #define MCH_HOST_BRIDGE_PAM5                   0x95
 129 #define MCH_HOST_BRIDGE_PAM6                   0x96
 130 #define MCH_HOST_BRIDGE_PAM_WE_HI              ((uint8_t)(0x2 << 4))
 131 #define MCH_HOST_BRIDGE_PAM_RE_HI              ((uint8_t)(0x1 << 4))
 132 #define MCH_HOST_BRIDGE_PAM_HI_MASK            ((uint8_t)(0x3 << 4))
 133 #define MCH_HOST_BRIDGE_PAM_WE_LO              ((uint8_t)0x2)
 134 #define MCH_HOST_BRIDGE_PAM_RE_LO              ((uint8_t)0x1)
 135 #define MCH_HOST_BRIDGE_PAM_LO_MASK            ((uint8_t)0x3)
 136 #define MCH_HOST_BRIDGE_PAM_WE                 ((uint8_t)0x2)
 137 #define MCH_HOST_BRIDGE_PAM_RE                 ((uint8_t)0x1)
 138 #define MCH_HOST_BRIDGE_PAM_MASK               ((uint8_t)0x3)
 139
 140 #define MCH_HOST_BRIDGE_SMRAM                  0x9d
 141 #define MCH_HOST_BRIDGE_SMRAM_SIZE             2
 142 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN           ((uint8_t)(1 << 6))
 143 #define MCH_HOST_BRIDGE_SMRAM_D_CLS            ((uint8_t)(1 << 5))
 144 #define MCH_HOST_BRIDGE_SMRAM_D_LCK            ((uint8_t)(1 << 4))
 145 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME         ((uint8_t)(1 << 3))
 146 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK  ((uint8_t)0x7)
 147 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG       ((uint8_t)0x2)  /* hardwired to b010 */
 148 #define MCH_HOST_BRIDGE_SMRAM_C_BASE           0xa0000
 149 #define MCH_HOST_BRIDGE_SMRAM_C_END            0xc0000
 150 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE           0x20000
 151 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END  0x100000
 152 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT           \
 153     MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG
 154 #define MCH_HOST_BRIDGE_SMRAM_WMASK             \
 155     (MCH_HOST_BRIDGE_SMRAM_D_OPEN |             \
 156      MCH_HOST_BRIDGE_SMRAM_D_CLS |              \
 157      MCH_HOST_BRIDGE_SMRAM_D_LCK |              \
 158      MCH_HOST_BRIDGE_SMRAM_G_SMRAME)
 159 #define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK         \
 160     MCH_HOST_BRIDGE_SMRAM_D_CLS
 161
 162 #define MCH_HOST_BRIDGE_ESMRAMC                0x9e
 163 #define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME       ((uint8_t)(1 << 7))
 164 #define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR        ((uint8_t)(1 << 6))
 165 #define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE       ((uint8_t)(1 << 5))
 166 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L1          ((uint8_t)(1 << 4))
 167 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L2          ((uint8_t)(1 << 3))
 168 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK   ((uint8_t)(0x3 << 1))
 169 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB    ((uint8_t)(0x0 << 1))
 170 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB    ((uint8_t)(0x1 << 1))
 171 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB    ((uint8_t)(0x2 << 1))
 172 #define MCH_HOST_BRIDGE_ESMRAMC_T_EN           ((uint8_t)1)
 173 #define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \
 174     (MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \
 175      MCH_HOST_BRIDGE_ESMRAMC_SM_L1 |    \
 176      MCH_HOST_BRIDGE_ESMRAMC_SM_L2)
 177 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK               \
 178     (MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME |             \
 179      MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK |         \
 180      MCH_HOST_BRIDGE_ESMRAMC_T_EN)
 181 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK     0
 182
 183 /* D1:F0 PCIE* port*/
 184 #define MCH_PCIE_DEV                           1
 185 #define MCH_PCIE_FUNC                          0
 186
 187 uint64_t mch_mcfg_base(void);
 188
 189 /*
 190  * Arbitrary but unique BNF number for IOAPIC device.
 191  *
 192  * TODO: make sure there would have no conflict with real PCI bus
 193  */
 194 #define Q35_PSEUDO_BUS_PLATFORM         (0xff)
 195 #define Q35_PSEUDO_DEVFN_IOAPIC         (0x00)
 196
 197 #endif /* HW_Q35_H */