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C++ pci_pcie_cap函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中pci_pcie_cap函数的典型用法代码示例。如果您正苦于以下问题：C++ pci_pcie_cap函数的具体用法？C++ pci_pcie_cap怎么用？C++ pci_pcie_cap使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了pci_pcie_cap函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: pciehp_set_attention_status

void pciehp_set_attention_status(struct slot *slot, u8 value)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_cmd;

	if (!ATTN_LED(ctrl))
		return;

	switch (value) {
	case 0:		/* turn off */
		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_OFF;
		break;
	case 1:		/* turn on */
		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_ON;
		break;
	case 2:		/* turn blink */
		slot_cmd = PCI_EXP_SLTCTL_ATTN_IND_BLINK;
		break;
	default:
		return;
	}
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
	pcie_write_cmd(ctrl, slot_cmd, PCI_EXP_SLTCTL_AIC);
}
开发者ID:MaxChina，项目名称:linux，代码行数:25，代码来源:pciehp_hpc.c


示例2: pciehp_power_on_slot

int pciehp_power_on_slot(struct slot *slot)
{
	struct controller *ctrl = slot->ctrl;
	struct pci_dev *pdev = ctrl_dev(ctrl);
	u16 slot_status;
	int retval;

	/* Clear sticky power-fault bit from previous power failures */
	pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status);
	if (slot_status & PCI_EXP_SLTSTA_PFD)
		pcie_capability_write_word(pdev, PCI_EXP_SLTSTA,
					   PCI_EXP_SLTSTA_PFD);
	ctrl->power_fault_detected = 0;

	pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_ON, PCI_EXP_SLTCTL_PCC);
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL,
		 PCI_EXP_SLTCTL_PWR_ON);

	retval = pciehp_link_enable(ctrl);
	if (retval)
		ctrl_err(ctrl, "%s: Can not enable the link!\n", __func__);

	return retval;
}
开发者ID:MaxChina，项目名称:linux，代码行数:25，代码来源:pciehp_hpc.c


示例3: pciehp_get_attention_status

void pciehp_get_attention_status(struct slot *slot, u8 *status)
{
	struct controller *ctrl = slot->ctrl;
	struct pci_dev *pdev = ctrl_dev(ctrl);
	u16 slot_ctrl;

	pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl);
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x, value read %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_ctrl);

	switch (slot_ctrl & PCI_EXP_SLTCTL_AIC) {
	case PCI_EXP_SLTCTL_ATTN_IND_ON:
		*status = 1;	/* On */
		break;
	case PCI_EXP_SLTCTL_ATTN_IND_BLINK:
		*status = 2;	/* Blink */
		break;
	case PCI_EXP_SLTCTL_ATTN_IND_OFF:
		*status = 0;	/* Off */
		break;
	default:
		*status = 0xFF;
		break;
	}
}
开发者ID:MaxChina，项目名称:linux，代码行数:25，代码来源:pciehp_hpc.c


示例4: pci_enable_pcie_error_reporting

int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
	u16 reg16 = 0;
	int pos;

	if (pcie_aer_get_firmware_first(dev))
		return -EIO;

	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
	if (!pos)
		return -EIO;

	pos = pci_pcie_cap(dev);
	if (!pos)
		return -EIO;

	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
	reg16 |= (PCI_EXP_DEVCTL_CERE |
		PCI_EXP_DEVCTL_NFERE |
		PCI_EXP_DEVCTL_FERE |
		PCI_EXP_DEVCTL_URRE);
	pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16);

	return 0;
}
开发者ID:CSCLOG，项目名称:beaglebone，代码行数:25，代码来源:aerdrv_core.c


示例5: test_read_pci_exp_config

/*
 * test_read_pci_exp_config
 *	make call to pci_config_read and determine if
 *	the PCI-Express enhanced config space of this
 *	device can be read successfully.
 */
static int test_read_pci_exp_config(void)
{
	int pos;
	u32 header;
	struct pci_dev *dev = ltp_pci.dev;

	/* skip the test if device doesn't have PCIe capability */
	pos = pci_pcie_cap(dev);
	if (!pos) {
		prk_info("device doesn't have PCI-EXP capability");
		return TSKIP;
	}
	prk_info("read the PCI Express configuration registers at 0x%x", pos);

	if (pci_read_config_dword(dev, pos, &header)) {
		prk_err("failed to read config dword");
		return TFAIL;
	}

	/* comparing the value read with PCI_CAP_ID_EXP macro */
	if ((header & 0x000000ff) == PCI_CAP_ID_EXP) {
		prk_info("correct val read using PCIE driver installed: 0x%x",
			header);
		return TPASS;
	}

	prk_err("incorrect val read. PCIE driver/device not installed: 0x%x",
		header);
	return TFAIL;
}
开发者ID:1587，项目名称:ltp，代码行数:36，代码来源:ltp_tpci.c


示例6: pcie_capability_read_word

int pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *val)
{
	int ret;

	*val = 0;
	if (pos & 1)
		return -EINVAL;

	if (pcie_capability_reg_implemented(dev, pos)) {
		ret = pci_read_config_word(dev, pci_pcie_cap(dev) + pos, val);
		/*
		 * Reset *val to 0 if pci_read_config_word() fails, it may
		 * have been written as 0xFFFF if hardware error happens
		 * during pci_read_config_word().
		 */
		if (ret)
			*val = 0;
		return ret;
	}

	/*
	 * For Functions that do not implement the Slot Capabilities,
	 * Slot Status, and Slot Control registers, these spaces must
	 * be hardwired to 0b, with the exception of the Presence Detect
	 * State bit in the Slot Status register of Downstream Ports,
	 * which must be hardwired to 1b.  (PCIe Base Spec 3.0, sec 7.8)
	 */
	if (pci_is_pcie(dev) && pos == PCI_EXP_SLTSTA &&
		 pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM) {
		*val = PCI_EXP_SLTSTA_PDS;
	}

	return 0;
}
开发者ID:Cai900205，项目名称:test，代码行数:34，代码来源:compat-3.7.c


示例7: pcie_capability_read_dword

int pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *val)
{
	int ret;

	*val = 0;
	if (pos & 3)
		return -EINVAL;

	if (pcie_capability_reg_implemented(dev, pos)) {
		ret = pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, val);
		/*
		 * Reset *val to 0 if pci_read_config_dword() fails, it may
		 * have been written as 0xFFFFFFFF if hardware error happens
		 * during pci_read_config_dword().
		 */
		if (ret)
			*val = 0;
		return ret;
	}

	if (pci_is_pcie(dev) && pos == PCI_EXP_SLTCTL &&
		 pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM) {
		*val = PCI_EXP_SLTSTA_PDS;
	}

	return 0;
}
开发者ID:Cai900205，项目名称:test，代码行数:27，代码来源:compat-3.7.c


示例8: pciehp_get_power_status

int pciehp_get_power_status(struct slot *slot, u8 *status)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_ctrl;
	u8 pwr_state;
	int	retval = 0;

	retval = pciehp_readw(ctrl, PCI_EXP_SLTCTL, &slot_ctrl);
	if (retval) {
		ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
		return retval;
	}
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x value read %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_ctrl);

	pwr_state = (slot_ctrl & PCI_EXP_SLTCTL_PCC) >> 10;

	switch (pwr_state) {
	case 0:
		*status = 1;
		break;
	case 1:
		*status = 0;
		break;
	default:
		*status = 0xFF;
		break;
	}

	return retval;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:31，代码来源:pciehp_hpc.c


示例9: aer_enable_rootport

static void aer_enable_rootport(struct aer_rpc *rpc)
{
	struct pci_dev *pdev = rpc->rpd->port;
	int pos, aer_pos;
	u16 reg16;
	u32 reg32;

	pos = pci_pcie_cap(pdev);
	
	pci_read_config_word(pdev, pos+PCI_EXP_DEVSTA, &reg16);
	pci_write_config_word(pdev, pos+PCI_EXP_DEVSTA, reg16);

	
	pci_read_config_word(pdev, pos + PCI_EXP_RTCTL, &reg16);
	reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
	pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);

	aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
	
	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
	pci_read_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, &reg32);
	pci_write_config_dword(pdev, aer_pos + PCI_ERR_COR_STATUS, reg32);
	pci_read_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, &reg32);
	pci_write_config_dword(pdev, aer_pos + PCI_ERR_UNCOR_STATUS, reg32);

	set_downstream_devices_error_reporting(pdev, true);

	
	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, &reg32);
	reg32 |= ROOT_PORT_INTR_ON_MESG_MASK;
	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_COMMAND, reg32);
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:33，代码来源:aerdrv.c


示例10: pciehp_power_off_slot

int pciehp_power_off_slot(struct slot * slot)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_cmd;
	u16 cmd_mask;
	int retval;

	/* Disable the link at first */
	pciehp_link_disable(ctrl);
	/* wait the link is down */
	if (ctrl->link_active_reporting)
		pcie_wait_link_not_active(ctrl);
	else
		msleep(1000);

	slot_cmd = POWER_OFF;
	cmd_mask = PCI_EXP_SLTCTL_PCC;
	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
	if (retval) {
		ctrl_err(ctrl, "Write command failed!\n");
		return retval;
	}
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
	return 0;
}
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:26，代码来源:pciehp_hpc.c


示例11: is_error_source

/**
 * is_error_source - check whether the device is source of reported error
 * @dev: pointer to pci_dev to be checked
 * @e_info: pointer to reported error info
 */
static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
{
	int pos;
	u32 status, mask;
	u16 reg16;

	/*
	 * When bus id is equal to 0, it might be a bad id
	 * reported by root port.
	 */
	if (!nosourceid && (PCI_BUS(e_info->id) != 0)) {
		/* Device ID match? */
		if (e_info->id == ((dev->bus->number << 8) | dev->devfn))
			return true;

		/* Continue id comparing if there is no multiple error */
		if (!e_info->multi_error_valid)
			return false;
	}

	/*
	 * When either
	 *      1) nosourceid==y;
	 *      2) bus id is equal to 0. Some ports might lose the bus
	 *              id of error source id;
	 *      3) There are multiple errors and prior id comparing fails;
	 * We check AER status registers to find possible reporter.
	 */
	if (atomic_read(&dev->enable_cnt) == 0)
		return false;
	pos = pci_pcie_cap(dev);
	if (!pos)
		return false;

	/* Check if AER is enabled */
	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &reg16);
	if (!(reg16 & (
		PCI_EXP_DEVCTL_CERE |
		PCI_EXP_DEVCTL_NFERE |
		PCI_EXP_DEVCTL_FERE |
		PCI_EXP_DEVCTL_URRE)))
		return false;
	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
	if (!pos)
		return false;

	/* Check if error is recorded */
	if (e_info->severity == AER_CORRECTABLE) {
		pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &status);
		pci_read_config_dword(dev, pos + PCI_ERR_COR_MASK, &mask);
	} else {
		pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
		pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, &mask);
	}
	if (status & ~mask)
		return true;

	return false;
}
开发者ID:CSCLOG，项目名称:beaglebone，代码行数:64，代码来源:aerdrv_core.c


示例12: pciehp_power_off_slot

void pciehp_power_off_slot(struct slot *slot)
{
	struct controller *ctrl = slot->ctrl;

	pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_OFF, PCI_EXP_SLTCTL_PCC);
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL,
		 PCI_EXP_SLTCTL_PWR_OFF);
}
开发者ID:MaxChina，项目名称:linux，代码行数:9，代码来源:pciehp_hpc.c


示例13: iwl_pciexp_link_ctrl

static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus)
{
	int pos;
	u16 pci_lnk_ctl;
	struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);

	pos = pci_pcie_cap(pci_dev);
	pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
	return pci_lnk_ctl;
}
开发者ID:mjw56，项目名称:linux-2.6，代码行数:10，代码来源:iwl-pci.c


示例14: pcie_capability_write_dword

int pcie_capability_write_dword(struct pci_dev *dev, int pos, u32 val)
{
	if (pos & 3)
		return -EINVAL;

	if (!pcie_capability_reg_implemented(dev, pos))
		return 0;

	return pci_write_config_dword(dev, pci_pcie_cap(dev) + pos, val);
}
开发者ID:Cai900205，项目名称:test，代码行数:10，代码来源:compat-3.7.c


示例15: pcie_clear_root_pme_status

/**
 * pcie_clear_root_pme_status - Clear root port PME interrupt status.
 * @dev: PCIe root port or event collector.
 */
void pcie_clear_root_pme_status(struct pci_dev *dev)
{
	int rtsta_pos;
	u32 rtsta;

	rtsta_pos = pci_pcie_cap(dev) + PCI_EXP_RTSTA;

	pci_read_config_dword(dev, rtsta_pos, &rtsta);
	rtsta |= PCI_EXP_RTSTA_PME;
	pci_write_config_dword(dev, rtsta_pos, rtsta);
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:15，代码来源:portdrv_pci.c


示例16: pciehp_green_led_blink

void pciehp_green_led_blink(struct slot *slot)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_cmd;
	u16 cmd_mask;

	slot_cmd = 0x0200;
	cmd_mask = PCI_EXP_SLTCTL_PIC;
	pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:12，代码来源:pciehp_hpc.c


示例17: pciehp_green_led_blink

void pciehp_green_led_blink(struct slot *slot)
{
	struct controller *ctrl = slot->ctrl;

	if (!PWR_LED(ctrl))
		return;

	pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_IND_BLINK, PCI_EXP_SLTCTL_PIC);
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL,
		 PCI_EXP_SLTCTL_PWR_IND_BLINK);
}
开发者ID:MaxChina，项目名称:linux，代码行数:12，代码来源:pciehp_hpc.c


示例18: dbg_ctrl

static inline void dbg_ctrl(struct controller *ctrl)
{
	int i;
	u16 reg16;
	struct pci_dev *pdev = ctrl->pcie->port;

	if (!pciehp_debug)
		return;

	ctrl_info(ctrl, "Hotplug Controller:\n");
	ctrl_info(ctrl, "  Seg/Bus/Dev/Func/IRQ : %s IRQ %d\n",
		  pci_name(pdev), pdev->irq);
	ctrl_info(ctrl, "  Vendor ID            : 0x%04x\n", pdev->vendor);
	ctrl_info(ctrl, "  Device ID            : 0x%04x\n", pdev->device);
	ctrl_info(ctrl, "  Subsystem ID         : 0x%04x\n",
		  pdev->subsystem_device);
	ctrl_info(ctrl, "  Subsystem Vendor ID  : 0x%04x\n",
		  pdev->subsystem_vendor);
	ctrl_info(ctrl, "  PCIe Cap offset      : 0x%02x\n",
		  pci_pcie_cap(pdev));
	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
		if (!pci_resource_len(pdev, i))
			continue;
		ctrl_info(ctrl, "  PCI resource [%d]     : %pR\n",
			  i, &pdev->resource[i]);
	}
	ctrl_info(ctrl, "Slot Capabilities      : 0x%08x\n", ctrl->slot_cap);
	ctrl_info(ctrl, "  Physical Slot Number : %d\n", PSN(ctrl));
	ctrl_info(ctrl, "  Attention Button     : %3s\n",
		  ATTN_BUTTN(ctrl) ? "yes" : "no");
	ctrl_info(ctrl, "  Power Controller     : %3s\n",
		  POWER_CTRL(ctrl) ? "yes" : "no");
	ctrl_info(ctrl, "  MRL Sensor           : %3s\n",
		  MRL_SENS(ctrl)   ? "yes" : "no");
	ctrl_info(ctrl, "  Attention Indicator  : %3s\n",
		  ATTN_LED(ctrl)   ? "yes" : "no");
	ctrl_info(ctrl, "  Power Indicator      : %3s\n",
		  PWR_LED(ctrl)    ? "yes" : "no");
	ctrl_info(ctrl, "  Hot-Plug Surprise    : %3s\n",
		  HP_SUPR_RM(ctrl) ? "yes" : "no");
	ctrl_info(ctrl, "  EMI Present          : %3s\n",
		  EMI(ctrl)        ? "yes" : "no");
	ctrl_info(ctrl, "  Command Completed    : %3s\n",
		  NO_CMD_CMPL(ctrl) ? "no" : "yes");
	pciehp_readw(ctrl, PCI_EXP_SLTSTA, &reg16);
	ctrl_info(ctrl, "Slot Status            : 0x%04x\n", reg16);
	pciehp_readw(ctrl, PCI_EXP_SLTCTL, &reg16);
	ctrl_info(ctrl, "Slot Control           : 0x%04x\n", reg16);
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:49，代码来源:pciehp_hpc.c


示例19: pciehp_power_on_slot

int pciehp_power_on_slot(struct slot * slot)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_cmd;
	u16 cmd_mask;
	u16 slot_status;
	u16 lnk_status;
	int retval = 0;

	/* Clear sticky power-fault bit from previous power failures */
	retval = pciehp_readw(ctrl, PCI_EXP_SLTSTA, &slot_status);
	if (retval) {
		ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
			 __func__);
		return retval;
	}
	slot_status &= PCI_EXP_SLTSTA_PFD;
	if (slot_status) {
		retval = pciehp_writew(ctrl, PCI_EXP_SLTSTA, slot_status);
		if (retval) {
			ctrl_err(ctrl,
				 "%s: Cannot write to SLOTSTATUS register\n",
				 __func__);
			return retval;
		}
	}
	ctrl->power_fault_detected = 0;

	slot_cmd = POWER_ON;
	cmd_mask = PCI_EXP_SLTCTL_PCC;
	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
	if (retval) {
		ctrl_err(ctrl, "Write %x command failed!\n", slot_cmd);
		return retval;
	}
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);

	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
	if (retval) {
		ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n",
				__func__);
		return retval;
	}
	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);

	return retval;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:48，代码来源:pciehp_hpc.c


示例20: pciehp_power_off_slot

int pciehp_power_off_slot(struct slot * slot)
{
	struct controller *ctrl = slot->ctrl;
	u16 slot_cmd;
	u16 cmd_mask;
	int retval;

	slot_cmd = POWER_OFF;
	cmd_mask = PCI_EXP_SLTCTL_PCC;
	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
	if (retval) {
		ctrl_err(ctrl, "Write command failed!\n");
		return retval;
	}
	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
	return 0;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:18，代码来源:pciehp_hpc.c



注：本文中的pci_pcie_cap函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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