Commit 4caf3c56 authored by Ben Walker's avatar Ben Walker Committed by Daniel Verkamp
Browse files

env: Add a function to convert pci addr to string 



Convert an spdk_pci_addr to a string.

Change-Id: Idab0a16822cc37d7095d19f062dfca65356211e8
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
parent 8a9c1d40

include/spdk/env.h

+13 −0
Original line number Diff line number Diff line
@@ -237,6 +237,19 @@ int spdk_pci_addr_compare(const struct spdk_pci_addr *a1, const struct spdk_pci_ 
 */

int spdk_pci_addr_parse(struct spdk_pci_addr *addr, const char *bdf);



/**

 * Convert a struct spdk_pci_addr to a string.

 *

 * \param bdf String into which a string will be output in the format

 *            domain:bus:device.function. The string must be at least

 *            14 characters in size.

 * \param sz Size of bdf. Must be at least 14.

 * \param addr PCI address input

 *

 * \return 0 on success, or a negated errno value on failure.

 */

int spdk_pci_addr_fmt(char *bdf, size_t sz, const struct spdk_pci_addr *addr);



/**

 * Call a function with CPU affinity unset.

 *

lib/env_dpdk/pci.c

+16 −0
Original line number Diff line number Diff line
@@ -429,3 +429,19 @@ spdk_pci_addr_parse(struct spdk_pci_addr *addr, const char *bdf) 


	return 0;

}



int

spdk_pci_addr_fmt(char *bdf, size_t sz, const struct spdk_pci_addr *addr)

{

	int rc;



	rc = snprintf(bdf, sz, PCI_PRI_FMT,

		      addr->domain, addr->bus,

		      addr->dev, addr->func);



	if (rc > 0 && (size_t)rc < sz) {

		return 0;

	}



	return -1;

}