Date: Fri, 19 Aug 2022 22:25:35 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 16bedf532c02 - main - pci: Add helper routines to iterate over a device's BARs. Message-ID: <202208192225.27JMPZfi068498@gitrepo.freebsd.org>
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The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=16bedf532c022f2380b0bb2970a3a3ebc7ca0f36 commit 16bedf532c022f2380b0bb2970a3a3ebc7ca0f36 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2022-08-19 21:59:06 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2022-08-19 21:59:06 +0000 pci: Add helper routines to iterate over a device's BARs. Reviewed by: imp, markj, emaste MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D36237 --- sys/dev/pci/pci.c | 15 +++++++++++++++ sys/dev/pci/pcivar.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 34eab9fdd2bb..ed48e20b153e 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -3170,6 +3170,21 @@ pci_find_bar(device_t dev, int reg) return (NULL); } +struct pci_map * +pci_first_bar(device_t dev) +{ + struct pci_devinfo *dinfo; + + dinfo = device_get_ivars(dev); + return (STAILQ_FIRST(&dinfo->cfg.maps)); +} + +struct pci_map * +pci_next_bar(struct pci_map *pm) +{ + return (STAILQ_NEXT(pm, pm_link)); +} + int pci_bar_enabled(device_t dev, struct pci_map *pm) { diff --git a/sys/dev/pci/pcivar.h b/sys/dev/pci/pcivar.h index 2454b05b9acc..6d575077f778 100644 --- a/sys/dev/pci/pcivar.h +++ b/sys/dev/pci/pcivar.h @@ -717,6 +717,8 @@ extern struct devlist pci_devq; extern uint32_t pci_generation; struct pci_map *pci_find_bar(device_t dev, int reg); +struct pci_map *pci_first_bar(device_t dev); +struct pci_map *pci_next_bar(struct pci_map *pm); int pci_bar_enabled(device_t dev, struct pci_map *pm); struct pcicfg_vpd *pci_fetch_vpd_list(device_t dev);
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