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Thu, 27 Feb 2025 14:16:27 GMT (envelope-from git) Date: Thu, 27 Feb 2025 14:16:27 GMT Message-Id: <202502271416.51REGRC8015515@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: John Baldwin Subject: git: a5275ec0a89f - stable/14 - pcib: Add helper routines for [de]activating PCI_RES_BUS resources List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: a5275ec0a89f6145603e22b8973daedb609d3f39 Auto-Submitted: auto-generated The branch stable/14 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=a5275ec0a89f6145603e22b8973daedb609d3f39 commit a5275ec0a89f6145603e22b8973daedb609d3f39 Author: John Baldwin AuthorDate: 2024-01-23 17:35:08 +0000 Commit: John Baldwin CommitDate: 2025-02-27 13:09:19 +0000 pcib: Add helper routines for [de]activating PCI_RES_BUS resources Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D43427 (cherry picked from commit 23e3b83ab61a440ccce20da7fbf1340d58db361c) --- sys/dev/pci/pci_subr.c | 32 ++++++++++++++++++++++++++++++++ sys/dev/pci/pcib_private.h | 4 ++++ 2 files changed, 36 insertions(+) diff --git a/sys/dev/pci/pci_subr.c b/sys/dev/pci/pci_subr.c index 71485875ebe3..d0f6c9500b17 100644 --- a/sys/dev/pci/pci_subr.c +++ b/sys/dev/pci/pci_subr.c @@ -379,6 +379,38 @@ pci_domain_release_bus(int domain, device_t dev, int rid, struct resource *r) #endif return (rman_release_resource(r)); } + +int +pci_domain_activate_bus(int domain, device_t dev, int rid, struct resource *r) +{ +#ifdef INVARIANTS + struct pci_domain *d; +#endif + + if (domain < 0 || domain > PCI_DOMAINMAX) + return (EINVAL); +#ifdef INVARIANTS + d = pci_find_domain(domain); + KASSERT(rman_is_region_manager(r, &d->pd_bus_rman), ("bad resource")); +#endif + return (rman_activate_resource(r)); +} + +int +pci_domain_deactivate_bus(int domain, device_t dev, int rid, struct resource *r) +{ +#ifdef INVARIANTS + struct pci_domain *d; +#endif + + if (domain < 0 || domain > PCI_DOMAINMAX) + return (EINVAL); +#ifdef INVARIANTS + d = pci_find_domain(domain); + KASSERT(rman_is_region_manager(r, &d->pd_bus_rman), ("bad resource")); +#endif + return (rman_deactivate_resource(r)); +} #endif /* PCI_RES_BUS */ #endif /* NEW_PCIB */ diff --git a/sys/dev/pci/pcib_private.h b/sys/dev/pci/pcib_private.h index d4c66407d739..bc0b48d9f031 100644 --- a/sys/dev/pci/pcib_private.h +++ b/sys/dev/pci/pcib_private.h @@ -160,6 +160,10 @@ int pci_domain_adjust_bus(int domain, device_t dev, struct resource *r, rman_res_t start, rman_res_t end); int pci_domain_release_bus(int domain, device_t dev, int rid, struct resource *r); +int pci_domain_activate_bus(int domain, device_t dev, int rid, + struct resource *r); +int pci_domain_deactivate_bus(int domain, device_t dev, int rid, + struct resource *r); struct resource *pcib_alloc_subbus(struct pcib_secbus *bus, device_t child, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags);