From d2c9344ff922c208b8728b3fd3eb7a2b5182f6bb Mon Sep 17 00:00:00 2001 From: John Baldwin Date: Mon, 2 May 2011 14:13:12 +0000 Subject: [PATCH] Add implementations of BUS_ADJUST_RESOURCE() to the PCI bus driver, generic PCI-PCI bridge driver, x86 nexus driver, and x86 Host to PCI bridge drivers. --- sys/amd64/pci/pci_bus.c | 1 + sys/dev/acpica/acpi_pcib_acpi.c | 1 + sys/dev/pci/pci.c | 1 + sys/dev/pci/pci_pci.c | 1 + sys/i386/pci/pci_bus.c | 1 + sys/x86/x86/mptable_pci.c | 1 + sys/x86/x86/nexus.c | 58 +++++++++++++++++++++------------ 7 files changed, 43 insertions(+), 21 deletions(-) diff --git a/sys/amd64/pci/pci_bus.c b/sys/amd64/pci/pci_bus.c index e943df1278e..0f33cdf229e 100644 --- a/sys/amd64/pci/pci_bus.c +++ b/sys/amd64/pci/pci_bus.c @@ -348,6 +348,7 @@ static device_method_t legacy_pcib_methods[] = { DEVMETHOD(bus_read_ivar, legacy_pcib_read_ivar), DEVMETHOD(bus_write_ivar, legacy_pcib_write_ivar), DEVMETHOD(bus_alloc_resource, legacy_pcib_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), diff --git a/sys/dev/acpica/acpi_pcib_acpi.c b/sys/dev/acpica/acpi_pcib_acpi.c index 2ea9f2c1e1c..49367d028e5 100644 --- a/sys/dev/acpica/acpi_pcib_acpi.c +++ b/sys/dev/acpica/acpi_pcib_acpi.c @@ -100,6 +100,7 @@ static device_method_t acpi_pcib_acpi_methods[] = { DEVMETHOD(bus_read_ivar, acpi_pcib_read_ivar), DEVMETHOD(bus_write_ivar, acpi_pcib_write_ivar), DEVMETHOD(bus_alloc_resource, acpi_pcib_acpi_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index e14dc93ac94..70d5590032b 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -142,6 +142,7 @@ static device_method_t pci_methods[] = { DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), DEVMETHOD(bus_delete_resource, pci_delete_resource), DEVMETHOD(bus_alloc_resource, pci_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource), DEVMETHOD(bus_activate_resource, pci_activate_resource), DEVMETHOD(bus_deactivate_resource, pci_deactivate_resource), diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c index 199c1329778..eaaf6d3a68f 100644 --- a/sys/dev/pci/pci_pci.c +++ b/sys/dev/pci/pci_pci.c @@ -73,6 +73,7 @@ static device_method_t pcib_methods[] = { DEVMETHOD(bus_read_ivar, pcib_read_ivar), DEVMETHOD(bus_write_ivar, pcib_write_ivar), DEVMETHOD(bus_alloc_resource, pcib_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), diff --git a/sys/i386/pci/pci_bus.c b/sys/i386/pci/pci_bus.c index b7fa7d1e6f1..eb26b8664fa 100644 --- a/sys/i386/pci/pci_bus.c +++ b/sys/i386/pci/pci_bus.c @@ -565,6 +565,7 @@ static device_method_t legacy_pcib_methods[] = { DEVMETHOD(bus_read_ivar, legacy_pcib_read_ivar), DEVMETHOD(bus_write_ivar, legacy_pcib_write_ivar), DEVMETHOD(bus_alloc_resource, legacy_pcib_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), diff --git a/sys/x86/x86/mptable_pci.c b/sys/x86/x86/mptable_pci.c index 398444ce314..c2b6cee6d94 100644 --- a/sys/x86/x86/mptable_pci.c +++ b/sys/x86/x86/mptable_pci.c @@ -116,6 +116,7 @@ static device_method_t mptable_hostb_methods[] = { DEVMETHOD(bus_read_ivar, legacy_pcib_read_ivar), DEVMETHOD(bus_write_ivar, legacy_pcib_write_ivar), DEVMETHOD(bus_alloc_resource, legacy_pcib_alloc_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), diff --git a/sys/x86/x86/nexus.c b/sys/x86/x86/nexus.c index 3564078f2e7..9ead8c842ca 100644 --- a/sys/x86/x86/nexus.c +++ b/sys/x86/x86/nexus.c @@ -100,6 +100,8 @@ static device_t nexus_add_child(device_t bus, u_int order, const char *name, int unit); static struct resource *nexus_alloc_resource(device_t, device_t, int, int *, u_long, u_long, u_long, u_int); +static int nexus_adjust_resource(device_t, device_t, int, struct resource *, + u_long, u_long); #ifdef SMP static int nexus_bind_intr(device_t, device_t, struct resource *, int); #endif @@ -144,6 +146,7 @@ static device_method_t nexus_methods[] = { DEVMETHOD(bus_print_child, nexus_print_child), DEVMETHOD(bus_add_child, nexus_add_child), DEVMETHOD(bus_alloc_resource, nexus_alloc_resource), + DEVMETHOD(bus_adjust_resource, nexus_adjust_resource), DEVMETHOD(bus_release_resource, nexus_release_resource), DEVMETHOD(bus_activate_resource, nexus_activate_resource), DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource), @@ -332,6 +335,23 @@ nexus_add_child(device_t bus, u_int order, const char *name, int unit) return(child); } +static struct rman * +nexus_rman(int type) +{ + switch (type) { + case SYS_RES_IRQ: + return (&irq_rman); + case SYS_RES_DRQ: + return (&drq_rman); + case SYS_RES_IOPORT: + return (&port_rman); + case SYS_RES_MEMORY: + return (&mem_rman); + default: + return (NULL); + } +} + /* * Allocate a resource on behalf of child. NB: child is usually going to be a * child of one of our descendants, not a direct child of nexus0. @@ -364,27 +384,9 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid, } flags &= ~RF_ACTIVE; - - switch (type) { - case SYS_RES_IRQ: - rm = &irq_rman; - break; - - case SYS_RES_DRQ: - rm = &drq_rman; - break; - - case SYS_RES_IOPORT: - rm = &port_rman; - break; - - case SYS_RES_MEMORY: - rm = &mem_rman; - break; - - default: - return 0; - } + rm = nexus_rman(type); + if (rm == NULL) + return (NULL); rv = rman_reserve_resource(rm, start, end, count, flags, child); if (rv == 0) @@ -401,6 +403,20 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid, return rv; } +static int +nexus_adjust_resource(device_t bus, device_t child, int type, + struct resource *r, u_long start, u_long end) +{ + struct rman *rm; + + rm = nexus_rman(type); + if (rm == NULL) + return (ENXIO); + if (!rman_is_region_manager(r, rm)) + return (EINVAL); + return (rman_adjust_resource(r, start, end)); +} + static int nexus_activate_resource(device_t bus, device_t child, int type, int rid, struct resource *r)