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pci: Add support for filtering by function

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This will be useful for PCI based drivers to integrate fully within
the device driver model, where they will have to provide the function
they are found.

Change-Id: I7d64a4c6727cee52cbcb743c859cda43ac1a853b
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2015-08-21 12:52:25 +03:00 • committed by Anas Nashif
commit ff39559146
5 changed files with 48 additions and 15 deletions
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6
include/drivers/pci/pci.h
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@ -41,6 +41,9 @@ Module declares routines of PCI bus initialization and query
#define BAR_SPACE_MEM 0
#define BAR_SPACE_IO 1
#define PCI_MAX_FUNCTIONS 8
#define PCI_FUNCTION_ANY PCI_MAX_FUNCTIONS
#define PCI_MAX_BARS 6
#define PCI_BAR_ANY PCI_MAX_BARS
@ -52,9 +55,8 @@ struct pci_dev_info {
int irq;
uint16_t mem_type:1; /* memory type: BAR_SPACE_MEM/BAR_SPACE_IO */
uint16_t class:8;
uint16_t function:3;
uint16_t function:4;
uint16_t bar:3;
uint16_t unused:1;
uint16_t vendor_id;
uint16_t device_id;
};