38 lines
711 B
C
38 lines
711 B
C
/*
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pci_get_bar.c
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*/
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#include "pci.h"
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#include "syslib.h"
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#include <minix/sysutil.h>
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/*===========================================================================*
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* pci_get_bar *
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*===========================================================================*/
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int pci_get_bar(devind, port, base, size, ioflag)
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int devind;
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int port;
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u32_t *base;
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u32_t *size;
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int *ioflag;
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{
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int r;
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message m;
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m.m_type= BUSC_PCI_GET_BAR;
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m.BUSC_PGB_DEVIND= devind;
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m.BUSC_PGB_PORT= port;
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r= sendrec(pci_procnr, &m);
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if (r != 0)
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panic("pci_get_bar: can't talk to PCI: %d", r);
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if (m.m_type == 0)
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{
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*base= m.BUSC_PGB_BASE;
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*size= m.BUSC_PGB_SIZE;
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*ioflag= m.BUSC_PGB_IOFLAG;
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}
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return m.m_type;
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}
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