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f6a3c86ebd
While this change helps triskaidekaphobic developers, it is a good practice to avoid magic values and using constant definitions instead. Introduce the PAM_REGIONS_COUNT and use it. No logical change. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Julia Suvorova <jusual@redhat.com> Message-Id: <20201202132038.1276404-1-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
200 lines
7.9 KiB
C
200 lines
7.9 KiB
C
/*
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* q35.h
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*
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* Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
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* VA Linux Systems Japan K.K.
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* Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef HW_Q35_H
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#define HW_Q35_H
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#include "hw/pci/pci.h"
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#include "hw/pci/pcie_host.h"
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#include "hw/pci-host/pam.h"
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#include "qemu/units.h"
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#include "qemu/range.h"
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#include "qom/object.h"
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#define TYPE_Q35_HOST_DEVICE "q35-pcihost"
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OBJECT_DECLARE_SIMPLE_TYPE(Q35PCIHost, Q35_HOST_DEVICE)
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#define TYPE_MCH_PCI_DEVICE "mch"
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OBJECT_DECLARE_SIMPLE_TYPE(MCHPCIState, MCH_PCI_DEVICE)
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struct MCHPCIState {
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/*< private >*/
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PCIDevice parent_obj;
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/*< public >*/
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MemoryRegion *ram_memory;
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MemoryRegion *pci_address_space;
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MemoryRegion *system_memory;
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MemoryRegion *address_space_io;
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PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
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MemoryRegion smram_region, open_high_smram;
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MemoryRegion smram, low_smram, high_smram;
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MemoryRegion tseg_blackhole, tseg_window;
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MemoryRegion smbase_blackhole, smbase_window;
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bool has_smram_at_smbase;
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Range pci_hole;
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uint64_t below_4g_mem_size;
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uint64_t above_4g_mem_size;
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uint64_t pci_hole64_size;
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uint32_t short_root_bus;
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uint16_t ext_tseg_mbytes;
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};
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struct Q35PCIHost {
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/*< private >*/
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PCIExpressHost parent_obj;
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/*< public >*/
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bool pci_hole64_fix;
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MCHPCIState mch;
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};
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#define Q35_MASK(bit, ms_bit, ls_bit) \
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((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
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/*
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* gmch part
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*/
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#define MCH_HOST_PROP_RAM_MEM "ram-mem"
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#define MCH_HOST_PROP_PCI_MEM "pci-mem"
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#define MCH_HOST_PROP_SYSTEM_MEM "system-mem"
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#define MCH_HOST_PROP_IO_MEM "io-mem"
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/* PCI configuration */
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#define MCH_HOST_BRIDGE "MCH"
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#define MCH_HOST_BRIDGE_CONFIG_ADDR 0xcf8
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#define MCH_HOST_BRIDGE_CONFIG_DATA 0xcfc
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/* D0:F0 configuration space */
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#define MCH_HOST_BRIDGE_REVISION_DEFAULT 0x0
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#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES 0x50
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#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE 2
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#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY 0xffff
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#define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX 0xfff
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#define MCH_HOST_BRIDGE_SMBASE_SIZE (128 * KiB)
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#define MCH_HOST_BRIDGE_SMBASE_ADDR 0x30000
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#define MCH_HOST_BRIDGE_F_SMBASE 0x9c
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#define MCH_HOST_BRIDGE_F_SMBASE_QUERY 0xff
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#define MCH_HOST_BRIDGE_F_SMBASE_IN_RAM 0x01
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#define MCH_HOST_BRIDGE_F_SMBASE_LCK 0x02
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#define MCH_HOST_BRIDGE_PCIEXBAR 0x60 /* 64bit register */
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#define MCH_HOST_BRIDGE_PCIEXBAR_SIZE 8 /* 64bit register */
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#define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT 0xb0000000
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#define MCH_HOST_BRIDGE_PCIEXBAR_MAX (0x10000000) /* 256M */
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#define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK Q35_MASK(64, 35, 28)
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#define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK ((uint64_t)(1 << 26))
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#define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK ((uint64_t)(1 << 25))
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#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK ((uint64_t)(0x3 << 1))
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#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M ((uint64_t)(0x0 << 1))
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#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M ((uint64_t)(0x1 << 1))
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#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M ((uint64_t)(0x2 << 1))
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#define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD ((uint64_t)(0x3 << 1))
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#define MCH_HOST_BRIDGE_PCIEXBAREN ((uint64_t)1)
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#define MCH_HOST_BRIDGE_PAM_NB 7
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#define MCH_HOST_BRIDGE_PAM_SIZE 7
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#define MCH_HOST_BRIDGE_PAM0 0x90
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#define MCH_HOST_BRIDGE_PAM_BIOS_AREA 0xf0000
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#define MCH_HOST_BRIDGE_PAM_AREA_SIZE 0x10000 /* 16KB */
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#define MCH_HOST_BRIDGE_PAM1 0x91
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#define MCH_HOST_BRIDGE_PAM_EXPAN_AREA 0xc0000
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#define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE 0x04000
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#define MCH_HOST_BRIDGE_PAM2 0x92
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#define MCH_HOST_BRIDGE_PAM3 0x93
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#define MCH_HOST_BRIDGE_PAM4 0x94
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#define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA 0xe0000
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#define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE 0x04000
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#define MCH_HOST_BRIDGE_PAM5 0x95
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#define MCH_HOST_BRIDGE_PAM6 0x96
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#define MCH_HOST_BRIDGE_PAM_WE_HI ((uint8_t)(0x2 << 4))
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#define MCH_HOST_BRIDGE_PAM_RE_HI ((uint8_t)(0x1 << 4))
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#define MCH_HOST_BRIDGE_PAM_HI_MASK ((uint8_t)(0x3 << 4))
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#define MCH_HOST_BRIDGE_PAM_WE_LO ((uint8_t)0x2)
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#define MCH_HOST_BRIDGE_PAM_RE_LO ((uint8_t)0x1)
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#define MCH_HOST_BRIDGE_PAM_LO_MASK ((uint8_t)0x3)
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#define MCH_HOST_BRIDGE_PAM_WE ((uint8_t)0x2)
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#define MCH_HOST_BRIDGE_PAM_RE ((uint8_t)0x1)
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#define MCH_HOST_BRIDGE_PAM_MASK ((uint8_t)0x3)
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#define MCH_HOST_BRIDGE_SMRAM 0x9d
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#define MCH_HOST_BRIDGE_SMRAM_SIZE 2
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#define MCH_HOST_BRIDGE_SMRAM_D_OPEN ((uint8_t)(1 << 6))
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#define MCH_HOST_BRIDGE_SMRAM_D_CLS ((uint8_t)(1 << 5))
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#define MCH_HOST_BRIDGE_SMRAM_D_LCK ((uint8_t)(1 << 4))
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#define MCH_HOST_BRIDGE_SMRAM_G_SMRAME ((uint8_t)(1 << 3))
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#define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7)
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#define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */
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#define MCH_HOST_BRIDGE_SMRAM_C_BASE 0xa0000
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#define MCH_HOST_BRIDGE_SMRAM_C_END 0xc0000
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#define MCH_HOST_BRIDGE_SMRAM_C_SIZE 0x20000
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#define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END 0x100000
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#define MCH_HOST_BRIDGE_SMRAM_DEFAULT \
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MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG
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#define MCH_HOST_BRIDGE_SMRAM_WMASK \
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(MCH_HOST_BRIDGE_SMRAM_D_OPEN | \
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MCH_HOST_BRIDGE_SMRAM_D_CLS | \
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MCH_HOST_BRIDGE_SMRAM_D_LCK | \
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MCH_HOST_BRIDGE_SMRAM_G_SMRAME)
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#define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK \
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MCH_HOST_BRIDGE_SMRAM_D_CLS
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#define MCH_HOST_BRIDGE_ESMRAMC 0x9e
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#define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME ((uint8_t)(1 << 7))
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#define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR ((uint8_t)(1 << 6))
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#define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE ((uint8_t)(1 << 5))
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#define MCH_HOST_BRIDGE_ESMRAMC_SM_L1 ((uint8_t)(1 << 4))
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#define MCH_HOST_BRIDGE_ESMRAMC_SM_L2 ((uint8_t)(1 << 3))
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#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK ((uint8_t)(0x3 << 1))
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#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB ((uint8_t)(0x0 << 1))
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#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB ((uint8_t)(0x1 << 1))
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#define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB ((uint8_t)(0x2 << 1))
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#define MCH_HOST_BRIDGE_ESMRAMC_T_EN ((uint8_t)1)
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#define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \
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(MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \
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MCH_HOST_BRIDGE_ESMRAMC_SM_L1 | \
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MCH_HOST_BRIDGE_ESMRAMC_SM_L2)
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#define MCH_HOST_BRIDGE_ESMRAMC_WMASK \
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(MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME | \
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MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK | \
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MCH_HOST_BRIDGE_ESMRAMC_T_EN)
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#define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK 0
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/* D1:F0 PCIE* port*/
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#define MCH_PCIE_DEV 1
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#define MCH_PCIE_FUNC 0
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uint64_t mch_mcfg_base(void);
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/*
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* Arbitrary but unique BNF number for IOAPIC device.
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*
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* TODO: make sure there would have no conflict with real PCI bus
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*/
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#define Q35_PSEUDO_BUS_PLATFORM (0xff)
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#define Q35_PSEUDO_DEVFN_IOAPIC (0x00)
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#endif /* HW_Q35_H */
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