d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

bus/pci: add iteration filter on address

Browse Source 
The PCI bus can now parse a matching field "id" as follows:

   "bus=pci,id=0000:00:00.0"

           or

   "bus=pci,id=00:00.0"

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
This commit is contained in:
Gaetan Rivet 2018-09-19 18:03:32 +02:00 committed by Thomas Monjalon
parent 46521ca27b
commit 4410c1b0c0
1 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/bus/pci/pci_params.c
View File

@ -3,6 +3,7 @@
*/
#include <rte_bus.h>
#include <rte_bus_pci.h>
#include <rte_dev.h>
#include <rte_errno.h>
#include <rte_kvargs.h>
@ -11,21 +12,45 @@
#include "private.h"
enum pci_params {
RTE_PCI_PARAMS_ID,
RTE_PCI_PARAMS_MAX,
};
static const char * const pci_params_keys[] = {
[RTE_PCI_PARAMS_ID] = "id",
[RTE_PCI_PARAMS_MAX] = NULL,
};
static int
pci_addr_kv_cmp(const char *key __rte_unused,
const char *value,
void *_addr2)
{
struct rte_pci_addr _addr1;
struct rte_pci_addr *addr1 = &_addr1;
struct rte_pci_addr *addr2 = _addr2;
if (rte_pci_addr_parse(value, addr1))
return -1;
return -abs(rte_pci_addr_cmp(addr1, addr2));
}
static int
pci_dev_match(const struct rte_device *dev,
const void *_kvlist)
{
const struct rte_kvargs *kvlist = _kvlist;
const struct rte_pci_device *pdev;
(void) dev;
(void) kvlist;
if (kvlist == NULL)
/* Empty string matches everything. */
return 0;
pdev = RTE_DEV_TO_PCI_CONST(dev);
/* if any field does not match. */
if (rte_kvargs_process(kvlist, "id",
&pci_addr_kv_cmp,
(void *)(intptr_t)&pdev->addr))
return 1;
return 0;
}