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Message-Id: <20211220145140.31898-1-pali@kernel.org>
Date: Mon, 20 Dec 2021 15:51:40 +0100
From: Pali Rohár <pali@...nel.org>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Rob Herring <robh@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] PCI: Add defines for normal and subtractive PCI bridges
Add following two new PCI class codes defines into pci_ids.h include file:
PCI_CLASS_BRIDGE_PCI_NORMAL
PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE
And use these defines in all kernel code for describing PCI class codes for
normal and subtractive PCI bridges.
Signed-off-by: Pali Rohár <pali@...nel.org>
---
Changes in v2:
- rebased on on top of pci/next branch
- dropped pcie-iproc.c change for 0x43c register for now
(layout of this register is unknown and later I should get more
information from Broadcom about it)
---
.../mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 2 --
arch/mips/pci/fixup-sb1250.c | 2 +-
arch/mips/pci/pci-bcm63xx.c | 2 +-
arch/powerpc/platforms/powernv/pci.c | 2 +-
arch/powerpc/sysdev/fsl_pci.c | 2 +-
arch/sh/drivers/pci/pcie-sh7786.c | 2 +-
drivers/pci/controller/dwc/pci-keystone.c | 8 ++++----
drivers/pci/controller/dwc/pci-meson.c | 16 ++++++++--------
drivers/pci/controller/dwc/pcie-qcom.c | 2 +-
.../pci/controller/mobiveil/pcie-mobiveil-host.c | 2 +-
drivers/pci/controller/pci-aardvark.c | 2 +-
drivers/pci/controller/pci-loongson.c | 2 +-
drivers/pci/controller/pci-tegra.c | 2 +-
drivers/pci/controller/pcie-iproc-bcma.c | 2 +-
drivers/pci/controller/pcie-iproc.c | 2 +-
drivers/pci/controller/pcie-mediatek-gen3.c | 2 +-
drivers/pci/controller/pcie-rcar-host.c | 2 +-
drivers/pci/controller/pcie-rockchip-host.c | 2 +-
drivers/pci/controller/pcie-rockchip.h | 1 -
drivers/pci/hotplug/shpchp_core.c | 2 +-
drivers/pci/pci-bridge-emul.c | 4 ++--
drivers/pci/pcie/portdrv_pci.c | 4 ++--
include/linux/pci_ids.h | 2 ++
23 files changed, 34 insertions(+), 35 deletions(-)
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 9ceb5e72889f..d3f397dcab6e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1380,8 +1380,6 @@
#define PCIE_IDVAL3_REG 0x43c
#define IDVAL3_CLASS_CODE_MASK 0xffffff
-#define IDVAL3_SUBCLASS_SHIFT 8
-#define IDVAL3_CLASS_SHIFT 16
#define PCIE_DLSTATUS_REG 0x1048
#define DLSTATUS_PHYLINKUP (1 << 13)
diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c
index 40efc990cdce..3f914c33b7de 100644
--- a/arch/mips/pci/fixup-sb1250.c
+++ b/arch/mips/pci/fixup-sb1250.c
@@ -75,7 +75,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,
*/
static void quirk_sb1250_ht(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,
quirk_sb1250_ht);
diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c
index 5548365605c0..ac83243772d2 100644
--- a/arch/mips/pci/pci-bcm63xx.c
+++ b/arch/mips/pci/pci-bcm63xx.c
@@ -186,7 +186,7 @@ static int __init bcm63xx_register_pcie(void)
/* setup class code as bridge */
val = bcm_pcie_readl(PCIE_IDVAL3_REG);
val &= ~IDVAL3_CLASS_CODE_MASK;
- val |= (PCI_CLASS_BRIDGE_PCI << IDVAL3_SUBCLASS_SHIFT);
+ val |= PCI_CLASS_BRIDGE_PCI_NORMAL;
bcm_pcie_writel(val, PCIE_IDVAL3_REG);
/* disable bar1 size */
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 9a8391b983d1..f7054879ecd4 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -815,7 +815,7 @@ void pnv_pci_shutdown(void)
/* Fixup wrong class code in p7ioc and p8 root complex */
static void pnv_p7ioc_rc_quirk(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM, 0x3b9, pnv_p7ioc_rc_quirk);
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index b8f76f3fd994..8ef2a7525e2c 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -55,7 +55,7 @@ static void quirk_fsl_pcie_early(struct pci_dev *dev)
if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
return;
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
fsl_pcie_bus_fixup = 1;
return;
}
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index 4d499476c33a..b0c2a5238d04 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -314,7 +314,7 @@ static int __init pcie_init(struct sh7786_pcie_port *port)
* class to match. Hardware takes care of propagating the IDSETR
* settings, so there is no need to bother with a quirk.
*/
- pci_write_reg(chan, PCI_CLASS_BRIDGE_PCI << 16, SH4A_PCIEIDSETR1);
+ pci_write_reg(chan, PCI_CLASS_BRIDGE_PCI_NORMAL << 8, SH4A_PCIEIDSETR1);
/* Initialize default capabilities. */
data = pci_read_reg(chan, SH4A_PCIEEXPCAP0);
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index a055ea84b149..4a5ace74287d 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -531,13 +531,13 @@ static void ks_pcie_quirk(struct pci_dev *dev)
struct pci_dev *bridge;
static const struct pci_device_id rc_pci_devids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2HK),
- .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
+ .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, },
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2E),
- .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
+ .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, },
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2L),
- .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
+ .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, },
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2G),
- .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
+ .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, },
{ 0, },
};
diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c
index 686ded034f22..f44bf347904a 100644
--- a/drivers/pci/controller/dwc/pci-meson.c
+++ b/drivers/pci/controller/dwc/pci-meson.c
@@ -313,14 +313,14 @@ static int meson_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn,
* cannot program the PCI_CLASS_DEVICE register, so we must fabricate
* the return value in the config accessors.
*/
- if (where == PCI_CLASS_REVISION && size == 4)
- *val = (PCI_CLASS_BRIDGE_PCI << 16) | (*val & 0xffff);
- else if (where == PCI_CLASS_DEVICE && size == 2)
- *val = PCI_CLASS_BRIDGE_PCI;
- else if (where == PCI_CLASS_DEVICE && size == 1)
- *val = PCI_CLASS_BRIDGE_PCI & 0xff;
- else if (where == PCI_CLASS_DEVICE + 1 && size == 1)
- *val = (PCI_CLASS_BRIDGE_PCI >> 8) & 0xff;
+ if ((where & ~3) == PCI_CLASS_REVISION) {
+ if (size <= 2)
+ *val = (*val & ((1 << (size * 8)) - 1)) << (8 * (where & 3));
+ *val &= ~0xffffff00;
+ *val |= PCI_CLASS_BRIDGE_PCI_NORMAL << 8;
+ if (size <= 2)
+ *val = (*val >> (8 * (where & 3))) & ((1 << (size * 8)) - 1);
+ }
return PCIBIOS_SUCCESSFUL;
}
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index c19cd506ed3f..a47f1c0434c2 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1634,7 +1634,7 @@ static const struct of_device_id qcom_pcie_match[] = {
static void qcom_fixup_class(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0101, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0104, qcom_fixup_class);
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index f3547aa60140..31a7bdebe540 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -295,7 +295,7 @@ int mobiveil_host_init(struct mobiveil_pcie *pcie, bool reinit)
/* fixup for PCIe class register */
value = mobiveil_csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS);
value &= 0xff;
- value |= (PCI_CLASS_BRIDGE_PCI << 16);
+ value |= PCI_CLASS_BRIDGE_PCI_NORMAL << 8;
mobiveil_csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS);
return 0;
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index ec0df426863d..7d98b4170a8e 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -530,7 +530,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
*/
reg = advk_readl(pcie, PCIE_CORE_DEV_REV_REG);
reg &= ~0xffffff00;
- reg |= (PCI_CLASS_BRIDGE_PCI << 8) << 8;
+ reg |= PCI_CLASS_BRIDGE_PCI_NORMAL << 8;
advk_writel(pcie, reg, PCIE_CORE_DEV_REV_REG);
/* Disable Root Bridge I/O space, memory space and bus mastering */
diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c
index 48169b1e3817..50a8e1d6f70a 100644
--- a/drivers/pci/controller/pci-loongson.c
+++ b/drivers/pci/controller/pci-loongson.c
@@ -35,7 +35,7 @@ struct loongson_pci {
/* Fixup wrong class code in PCIe bridges */
static void bridge_class_quirk(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_0, bridge_class_quirk);
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index cb0aa65d6934..0457ec02ab70 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -726,7 +726,7 @@ static void tegra_pcie_port_free(struct tegra_pcie_port *port)
/* Tegra PCIE root complex wrongly reports device class */
static void tegra_pcie_fixup_class(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf0, tegra_pcie_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf1, tegra_pcie_fixup_class);
diff --git a/drivers/pci/controller/pcie-iproc-bcma.c b/drivers/pci/controller/pcie-iproc-bcma.c
index f918c713afb0..8eb17817e5cd 100644
--- a/drivers/pci/controller/pcie-iproc-bcma.c
+++ b/drivers/pci/controller/pcie-iproc-bcma.c
@@ -18,7 +18,7 @@
/* NS: CLASS field is R/O, and set to wrong 0x200 value */
static void bcma_pcie2_fixup_class(struct pci_dev *dev)
{
- dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c
index b3e75bc61ff1..3df4ab209253 100644
--- a/drivers/pci/controller/pcie-iproc.c
+++ b/drivers/pci/controller/pcie-iproc.c
@@ -1581,7 +1581,7 @@ static void quirk_paxc_bridge(struct pci_dev *pdev)
* code that the bridge is not an Ethernet device.
*/
if (pdev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
- pdev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ pdev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
/*
* MPSS is not being set properly (as it is currently 0). This is
diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c
index 21207df680cc..b9cf90e0359c 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -292,7 +292,7 @@ static int mtk_pcie_startup_port(struct mtk_pcie_port *port)
/* Set class code */
val = readl_relaxed(port->base + PCIE_PCI_IDS_1);
val &= ~GENMASK(31, 8);
- val |= PCI_CLASS(PCI_CLASS_BRIDGE_PCI << 8);
+ val |= PCI_CLASS(PCI_CLASS_BRIDGE_PCI_NORMAL);
writel_relaxed(val, port->base + PCIE_PCI_IDS_1);
/* Mask all INTx interrupts */
diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c
index 38b6e02edfa9..dfca59c4ae34 100644
--- a/drivers/pci/controller/pcie-rcar-host.c
+++ b/drivers/pci/controller/pcie-rcar-host.c
@@ -370,7 +370,7 @@ static int rcar_pcie_hw_init(struct rcar_pcie *pcie)
* class to match. Hardware takes care of propagating the IDSETR
* settings, so there is no need to bother with a quirk.
*/
- rcar_pci_write_reg(pcie, PCI_CLASS_BRIDGE_PCI << 16, IDSETR1);
+ rcar_pci_write_reg(pcie, PCI_CLASS_BRIDGE_PCI_NORMAL << 8, IDSETR1);
/*
* Setup Secondary Bus Number & Subordinate Bus Number, even though
diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
index 45a28880f322..7f56f99b4116 100644
--- a/drivers/pci/controller/pcie-rockchip-host.c
+++ b/drivers/pci/controller/pcie-rockchip-host.c
@@ -370,7 +370,7 @@ static int rockchip_pcie_host_init_port(struct rockchip_pcie *rockchip)
rockchip_pcie_write(rockchip, ROCKCHIP_VENDOR_ID,
PCIE_CORE_CONFIG_VENDOR);
rockchip_pcie_write(rockchip,
- PCI_CLASS_BRIDGE_PCI << PCIE_RC_CONFIG_SCC_SHIFT,
+ PCI_CLASS_BRIDGE_PCI_NORMAL << 8,
PCIE_RC_CONFIG_RID_CCR);
/* Clear THP cap's next cap pointer to remove L1 substate cap */
diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h
index 1650a5087450..32c3a859c26b 100644
--- a/drivers/pci/controller/pcie-rockchip.h
+++ b/drivers/pci/controller/pcie-rockchip.h
@@ -134,7 +134,6 @@
#define PCIE_RC_CONFIG_NORMAL_BASE 0x800000
#define PCIE_RC_CONFIG_BASE 0xa00000
#define PCIE_RC_CONFIG_RID_CCR (PCIE_RC_CONFIG_BASE + 0x08)
-#define PCIE_RC_CONFIG_SCC_SHIFT 16
#define PCIE_RC_CONFIG_DCR (PCIE_RC_CONFIG_BASE + 0xc4)
#define PCIE_RC_CONFIG_DCR_CSPL_SHIFT 18
#define PCIE_RC_CONFIG_DCR_CSPL_LIMIT 0xff
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 81a918d47895..53692b048301 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -312,7 +312,7 @@ static void shpc_remove(struct pci_dev *dev)
}
static const struct pci_device_id shpcd_pci_tbl[] = {
- {PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0)},
+ {PCI_DEVICE_CLASS(PCI_CLASS_BRIDGE_PCI_NORMAL, ~0)},
{ /* end: all zeroes */ }
};
MODULE_DEVICE_TABLE(pci, shpcd_pci_tbl);
diff --git a/drivers/pci/pci-bridge-emul.c b/drivers/pci/pci-bridge-emul.c
index c994ebec2360..cf9d90ec2968 100644
--- a/drivers/pci/pci-bridge-emul.c
+++ b/drivers/pci/pci-bridge-emul.c
@@ -329,9 +329,9 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge,
/*
* class_revision: Class is high 24 bits and revision is low 8 bit of this member,
- * while class for PCI Bridge Normal Decode has the 24-bit value: PCI_CLASS_BRIDGE_PCI << 8
+ * while class for PCI Bridge Normal Decode has the 24-bit value: PCI_CLASS_BRIDGE_PCI_NORMAL
*/
- bridge->conf.class_revision |= cpu_to_le32((PCI_CLASS_BRIDGE_PCI << 8) << 8);
+ bridge->conf.class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI_NORMAL << 8);
bridge->conf.header_type = PCI_HEADER_TYPE_BRIDGE;
bridge->conf.cache_line_size = 0x10;
bridge->conf.status = cpu_to_le16(PCI_STATUS_CAP_LIST);
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 35eca6277a96..4b8801656ffb 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -178,9 +178,9 @@ static pci_ers_result_t pcie_portdrv_mmio_enabled(struct pci_dev *dev)
*/
static const struct pci_device_id port_pci_ids[] = {
/* handle any PCI-Express port */
- { PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0) },
+ { PCI_DEVICE_CLASS(PCI_CLASS_BRIDGE_PCI_NORMAL, ~0) },
/* subtractive decode PCI-to-PCI bridge, class type is 060401h */
- { PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x01), ~0) },
+ { PCI_DEVICE_CLASS(PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE, ~0) },
/* handle any Root Complex Event Collector */
{ PCI_DEVICE_CLASS(((PCI_CLASS_SYSTEM_RCEC << 8) | 0x00), ~0) },
{ },
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0d26ab7eb7dc..ba24ca7cc631 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -60,6 +60,8 @@
#define PCI_CLASS_BRIDGE_EISA 0x0602
#define PCI_CLASS_BRIDGE_MC 0x0603
#define PCI_CLASS_BRIDGE_PCI 0x0604
+#define PCI_CLASS_BRIDGE_PCI_NORMAL 0x060400
+#define PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE 0x060401
#define PCI_CLASS_BRIDGE_PCMCIA 0x0605
#define PCI_CLASS_BRIDGE_NUBUS 0x0606
#define PCI_CLASS_BRIDGE_CARDBUS 0x0607
--
2.20.1
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