142 lines
2.8 KiB
C
142 lines
2.8 KiB
C
#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pci_stub.c,v 1.7 2017/06/01 02:45:11 chs Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_pci.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kmem.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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int default_pci_bus_devorder(pci_chipset_tag_t, int, uint8_t *, int);
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int default_pci_chipset_tag_create(pci_chipset_tag_t, uint64_t,
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const struct pci_overrides *, void *, pci_chipset_tag_t *);
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void default_pci_chipset_tag_destroy(pci_chipset_tag_t);
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__strict_weak_alias(pci_bus_devorder, default_pci_bus_devorder);
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__strict_weak_alias(pci_chipset_tag_create, default_pci_chipset_tag_create);
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__strict_weak_alias(pci_chipset_tag_destroy, default_pci_chipset_tag_destroy);
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int
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default_pci_bus_devorder(pci_chipset_tag_t pc, int bus, uint8_t *devs,
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int maxdevs)
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{
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int i, n;
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n = MIN(pci_bus_maxdevs(pc, bus), maxdevs);
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for (i = 0; i < n; i++)
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devs[i] = i;
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return n;
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}
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void
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default_pci_chipset_tag_destroy(pci_chipset_tag_t pc)
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{
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}
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int
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default_pci_chipset_tag_create(pci_chipset_tag_t opc, const uint64_t present,
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const struct pci_overrides *ov, void *ctx, pci_chipset_tag_t *pcp)
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{
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return EOPNOTSUPP;
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}
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#ifndef __HAVE_PCI_MSI_MSIX
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pci_intr_type_t
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pci_intr_type(pci_chipset_tag_t pc, pci_intr_handle_t ih)
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{
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return PCI_INTR_TYPE_INTX;
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}
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int
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pci_intr_alloc(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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int *counts, pci_intr_type_t max_type)
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{
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if (counts != NULL && counts[PCI_INTR_TYPE_INTX] == 0)
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return EINVAL;
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return pci_intx_alloc(pa, ihps);
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}
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void
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pci_intr_release(pci_chipset_tag_t pc, pci_intr_handle_t *pih, int count)
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{
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kmem_free(pih, sizeof(*pih));
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}
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void *
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pci_intr_establish_xname(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
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int (*func)(void *), void *arg, const char *__nouse)
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{
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return pci_intr_establish(pc, ih, level, func, arg);
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}
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int
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pci_intx_alloc(const struct pci_attach_args *pa, pci_intr_handle_t **ihp)
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{
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pci_intr_handle_t *pih;
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if (ihp == NULL)
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return EINVAL;
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pih = kmem_alloc(sizeof(*pih), KM_SLEEP);
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if (pci_intr_map(pa, pih)) {
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kmem_free(pih, sizeof(*pih));
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return EINVAL;
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}
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*ihp = pih;
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return 0;
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}
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int
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pci_msi_alloc(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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int *count)
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{
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return EOPNOTSUPP;
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}
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int
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pci_msi_alloc_exact(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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int count)
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{
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return EOPNOTSUPP;
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}
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int
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pci_msix_alloc(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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int *count)
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{
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return EOPNOTSUPP;
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}
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int
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pci_msix_alloc_exact(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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int count)
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{
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return EOPNOTSUPP;
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}
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int
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pci_msix_alloc_map(const struct pci_attach_args *pa, pci_intr_handle_t **ihps,
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u_int *table_indexes, int count)
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{
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return EOPNOTSUPP;
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}
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#endif /* __HAVE_PCI_MSI_MSIX */
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