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Make some PCI macros available to other files. NFC.

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Move PCI_DEVFN(), PCI_BUS(), PCI_SLOT(), and PCI_FUNC() to pci.h.

Signed-off-by: Jason Thorpe <thorpej@me.com>
Message-Id: <20210603035317.6814-5-thorpej@me.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Jason Thorpe
2021-06-02 20:53:13 -07:00
committed by Richard Henderson
parent 7accd8de6b
commit 0cbd87c2c4
2 changed files with 5 additions and 4 deletions
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4
pci.c
View File

@ -31,10 +31,6 @@
#include "pci_regs.h"
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_BUS(devfn) ((devfn) >> 8)
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define PCI_SLOT_MAX 32
#define PCI_FUNC_MAX 8
#define PCI_REGION_ROM 6

5
pci.h
View File

@ -60,6 +60,11 @@ extern void pci_config_maskw(int bdf, int addr, uint16_t off, uint16_t on);
extern int pci_next(int bdf, int *pmax);
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_BUS(devfn) ((devfn) >> 8)
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define foreachpci(BDF, MAX) \
for (MAX = 0x0100, BDF = pci_next(0, &MAX); \
BDF >= 0; \