Commit 3d7bcab4 authored by Ziye Yang's avatar Ziye Yang Committed by Daniel Verkamp
Browse files

SPDK: Add spdk_pci_device_cfg read/write for byte, word. 



This patch is used to support spdk_pci_device_cfg read/write
with byte and word size.

Change-Id: I49084e231bd6b5f5b22180a3eb36ddad4430b3a4
Signed-off-by: default avatarZiye Yang <ziye.yang@intel.com>
parent 04adec22

include/spdk/pci.h

+4 −0
Original line number Diff line number Diff line
@@ -57,6 +57,10 @@ uint16_t spdk_pci_device_get_subdevice_id(struct spdk_pci_device *dev); 
uint32_t spdk_pci_device_get_class(struct spdk_pci_device *dev);

const char *spdk_pci_device_get_device_name(struct spdk_pci_device *dev);



int spdk_pci_device_cfg_read8(struct spdk_pci_device *dev, uint8_t *value, uint32_t offset);

int spdk_pci_device_cfg_write8(struct spdk_pci_device *dev, uint8_t value, uint32_t offset);

int spdk_pci_device_cfg_read16(struct spdk_pci_device *dev, uint16_t *value, uint32_t offset);

int spdk_pci_device_cfg_write16(struct spdk_pci_device *dev, uint16_t value, uint32_t offset);

int spdk_pci_device_cfg_read32(struct spdk_pci_device *dev, uint32_t *value, uint32_t offset);

int spdk_pci_device_cfg_write32(struct spdk_pci_device *dev, uint32_t value, uint32_t offset);

lib/util/pci.c

+48 −0
Original line number Diff line number Diff line
@@ -162,6 +162,30 @@ spdk_pci_device_get_device_name(struct spdk_pci_device *dev) 
	return pci_device_get_device_name(dev);

}



int

spdk_pci_device_cfg_read8(struct spdk_pci_device *dev, uint8_t *value, uint32_t offset)

{

	return pci_device_cfg_read_u8(dev, value, offset);

}



int

spdk_pci_device_cfg_write8(struct spdk_pci_device *dev, uint8_t value, uint32_t offset)

{

	return pci_device_cfg_write_u8(dev, value, offset);

}



int

spdk_pci_device_cfg_read16(struct spdk_pci_device *dev, uint16_t *value, uint32_t offset)

{

	return pci_device_cfg_read_u16(dev, value, offset);

}



int

spdk_pci_device_cfg_write16(struct spdk_pci_device *dev, uint16_t value, uint32_t offset)

{

	return pci_device_cfg_write_u16(dev, value, offset);

}



int

spdk_pci_device_cfg_read32(struct spdk_pci_device *dev, uint32_t *value, uint32_t offset)

{
@@ -314,6 +338,30 @@ spdk_pci_device_get_device_name(struct spdk_pci_device *dev) 
	return NULL;

}



int

spdk_pci_device_cfg_read8(struct spdk_pci_device *dev, uint8_t *value, uint32_t offset)

{

	return rte_eal_pci_read_config(dev, value, 1, offset) == 1 ? 0 : -1;

}



int

spdk_pci_device_cfg_write8(struct spdk_pci_device *dev, uint8_t value, uint32_t offset)

{

	return rte_eal_pci_write_config(dev, &value, 1, offset) == 1 ? 0 : -1;

}



int

spdk_pci_device_cfg_read16(struct spdk_pci_device *dev, uint16_t *value, uint32_t offset)

{

	return rte_eal_pci_read_config(dev, value, 2, offset) == 2 ? 0 : -1;

}



int

spdk_pci_device_cfg_write16(struct spdk_pci_device *dev, uint16_t value, uint32_t offset)

{

	return rte_eal_pci_write_config(dev, &value, 2, offset) == 2 ? 0 : -1;

}



int

spdk_pci_device_cfg_read32(struct spdk_pci_device *dev, uint32_t *value, uint32_t offset)

{