/* * pci.h * * PCI defines and function prototypes * Copyright 1994, Drew Eckhardt * Copyright 1997--1999 Martin Mares * * For more information, please consult the following manuals (look at * http://www.pcisig.com/ for how to get them): * * PCI BIOS Specification * PCI Local Bus Specification * PCI to PCI Bridge Specification * PCI System Design Guide */ #ifndef LINUX_PCI_H #define LINUX_PCI_H #include /* Include the pci register defines */ #include /* Include the ID list */ #include /* * The PCI interface treats multi-function devices as independent * devices. The slot/function address of each device is encoded * in a single byte as follows: * * 7:3 = slot * 2:0 = function */ #define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) #define PCI_FUNC(devfn) ((devfn) & 0x07) /* Ioctls for /proc/bus/pci/X/Y nodes. */ #define PCIIOC_BASE ('P' << 24 | 'C' << 16 | 'I' << 8) #define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00) /* Get controller for PCI device. */ #define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01) /* Set mmap state to I/O space. */ #define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02) /* Set mmap state to MEM space. */ #define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03) /* Enable/disable write-combining. */ #ifdef __KERNEL__ #include #include #include #include #include #include /* File state for mmap()s on /proc/bus/pci/X/Y */ enum pci_mmap_state { pci_mmap_io, pci_mmap_mem }; /* This defines the direction arg to the DMA mapping routines. */ #define PCI_DMA_BIDIRECTIONAL 0 #define PCI_DMA_TODEVICE 1 #define PCI_DMA_FROMDEVICE 2 #define PCI_DMA_NONE 3 #define DEVICE_COUNT_COMPATIBLE 4 #define DEVICE_COUNT_RESOURCE 12 typedef int __bitwise pci_power_t; #define PCI_D0 ((pci_power_t __force) 0) #define PCI_D1 ((pci_power_t __force) 1) #define PCI_D2 ((pci_power_t __force) 2) #define PCI_D3hot ((pci_power_t __force) 3) #define PCI_D3cold ((pci_power_t __force) 4) #define PCI_UNKNOWN ((pci_power_t __force) 5) #define PCI_POWER_ERROR ((pci_power_t __force) -1) /** The pci_channel state describes connectivity between the CPU and * the pci device. If some PCI bus between here and the pci device * has crashed or locked up, this info is reflected here. */ typedef unsigned int __bitwise pci_channel_state_t; enum pci_channel_state { /* I/O channel is in normal state */ pci_channel_io_normal = (__force pci_channel_state_t) 1, /* I/O to channel is blocked */ pci_channel_io_frozen = (__force pci_channel_state_t) 2, /* PCI card is dead */ pci_channel_io_perm_failure = (__force pci_channel_state_t) 3, }; /* * The pci_dev structure is used to describe PCI devices. */ struct pci_dev { struct list_head global_list; /* node in list of all PCI devices */ struct list_head bus_list; /* node in per-bus list */ struct pci_bus *bus; /* bus this device is on */ struct pci_bus *subordinate; /* bus this device bridges to */ void *sysdata; /* hook for sys-specific extension */ struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */ unsigned int devfn; /* encoded device & function index */ unsigned short vendor; unsigned short device; unsigned short subsystem_vendor; unsigned short subsystem_device; unsigned int class; /* 3 bytes: (base,sub,prog-if) */ u8 hdr_type; /* PCI header type (`multi' flag masked out) */ u8 rom_base_reg; /* which config register controls the ROM */ u8 pin; /* which interrupt pin this device uses */ struct pci_driver *driver; /* which driver has allocated this device */ u64 dma_mask; /* Mask of the bits of bus address this device implements. Normally this is 0xffffffff. You only need to change this if your device has broken DMA or supports 64-bit transfers. */ pci_power_t current_state; /* Current operating state. In ACPI-speak, this is D0-D3, D0 being fully functional, and D3 being off. */ pci_channel_state_t error_state; /* current connectivity state */ struct device dev; /* Generic device interface */ /* device is compatible with these IDs */ unsigned short vendor_compatible[DEVICE_COUNT_COMPATIBLE]; unsigned short device_compatible[DEVICE_COUNT_COMPATIBLE]; int cfg_size; /* Size of configuration space */ /* * Instead of touching interrupt line and base address registers * directly, use the values stored here. They might be different! */ unsigned int irq; struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */ /* These fields are used by common fixups */ unsigned int transparent:1; /* Transparent PCI bridge */ unsigned int multifunction:1;/* Part of multi-function device */ /* keep track of device state */ unsigned int is_enabled:1; /* pci_enable_device has been called */ unsigned int is_busmaster:1; /* device is busmaster */ unsigned int no_msi:1; /* device may not use msi */ unsigned int block_ucfg_access:1; /* userspace config space access is blocked */ u32 saved_config_space[16]; /* config space saved at suspend time */ struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */ int rom_attr_enabled; /* has display of the rom attribute been enabled? */ struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */ }; #define pci_dev_g(n) list_entry(n, struct pci_dev, global_list) #define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list) #define to_pci_dev(n) container_of(n, struct pci_dev, dev) #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL) /* * For PCI devices, the region numbers are assigned this way: * * 0-5 standard PCI regions * 6 expansion ROM * 7-10 bridges: address space assigned to buses behind the bridge */ #define PCI_ROM_RESOURCE 6 #define PCI_BRIDGE_RESOURCES 7 #define PCI_NUM_RESOURCES 11 #ifndef PCI_BUS_NUM_RESOURCES #define PCI_BUS_NUM_RESOURCES 8 #endif #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */ struct pci_bus { struct list_head node; /* node in list of buses */ struct pci_bus *parent; /* parent bus this bridge is on */ struct list_head children; /* list of child buses */ struct list_head devices; /* list of devices on this bus */ struct pci_dev *self; /* bridge device as seen by parent */ struct resource *resource[PCI_BUS_NUM_RESOURCES]; /* address space routed to this bus */ struct pci_ops *ops; /* configuration access functions */ void *sysdata; /* hook for sys-specific extension */ struct proc_dir_entry *procdir; /* directory entry in /proc/bus/pci */ unsigned char number; /* bus number */ unsigned char primary; /* number of primary bridge */ unsigned char secondary; /* number of secondary bridge */ unsigned char subordinate; /* max number of subordinate buses */ char name[48]; unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */ unsigned short pad2; struct device *bridge; struct class_device class_dev; struct bin_attribute *legacy_io; /* legacy I/O for this bus */ struct bin_attribute *legacy_mem; /* legacy mem */ }; #define pci_bus_b(n) list_entry(n, struct pci_bus, node) #define to_pci_bus(n) container_of(n, struct pci_bus, class_dev) /* * Error values that may be returned by PCI functions. */ #define PCIBIOS_SUCCESSFUL 0x00 #define PCIBIOS_FUNC_NOT_SUPPORTED 0x81 #define PCIBIOS_BAD_VENDOR_ID 0x83 #define PCIBIOS_DEVICE_NOT_FOUND 0x86 #define PCIBIOS_BAD_REGISTER_NUMBER 0x87 #define PCIBIOS_SET_FAILED 0x88 #define PCIBIOS_BUFFER_TOO_SMALL 0x89 /* Low-level architecture-dependent routines */ struct pci_ops { int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val); int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val); }; struct pci_raw_ops { int (*read)(unsigned int domain, unsigned int bus, unsigned int devfn, int reg, int len, u32 *val); int (*write)(unsigned int domain, unsigned int bus, unsigned int devfn, # sites management # # Copyright Matthieu Patou <mat@matws.net> 2011 # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # import os from samba import sites from samba.samdb import SamDB import samba.getopt as options from samba.auth import system_session from samba.netcmd import ( Command, CommandError, SuperCommand ) class cmd_sites_create(Command): """Create a new site.""" synopsis = "%prog <site> [options]" takes_args = ["sitename"] takes_optiongroups = { "sambaopts": options.SambaOptions, "versionopts": options.VersionOptions, "credopts": options.CredentialsOptions, } def run(self, sitename, sambaopts=None, credopts=None, versionopts=None): lp = sambaopts.get_loadparm() creds = credopts.get_credentials(lp, fallback_machine=True) url = lp.private_path("sam.ldb") if not os.path.exists(url): raise CommandError("secret database not found at %s " % url) samdb = SamDB(url=url, session_info=system_session(), credentials=creds, lp=lp) samdb.transaction_start() try: ok = sites.create_site(samdb, samdb.get_config_basedn(), sitename) samdb.transaction_commit() except sites.SiteAlreadyExistsException, e: samdb.transaction_cancel() raise CommandError("Error while creating site %s, error: %s" % (sitename, str(e))) self.outf.write("Site %s created !\n" % sitename) class cmd_sites_delete(Command): """Delete an existing site.""" synopsis = "%prog <site> [options]" takes_args = ["sitename"] takes_optiongroups = { "sambaopts": options.SambaOptions, "versionopts": options.VersionOptions, "credopts": options.CredentialsOptions, } def run(self, sitename, sambaopts=None, credopts=None, versionopts=None): lp = sambaopts.get_loadparm() creds = credopts.get_credentials(lp, fallback_machine=True) url = lp.private_path("sam.ldb") if not os.path.exists(url): raise CommandError("secret database not found at %s " % url) samdb = SamDB(url=url, session_info=system_session(), credentials=creds, lp=lp) samdb.transaction_start() try: ok = sites.delete_site(samdb, samdb.get_config_basedn(), sitename) samdb.transaction_commit() except sites.SiteException, e: samdb.transaction_cancel() raise CommandError( "Error while removing site %s, error: %s" % (sitename, str(e))) self.outf.write("Site %s removed!\n" % sitename) class cmd_sites(SuperCommand): """Sites management.""" subcommands = {} subcommands["create"] = cmd_sites_create() subcommands["remove"] = cmd_sites_delete() atic inline void pci_scan_msi_device(struct pci_dev *dev) {} static inline int pci_enable_msi(struct pci_dev *dev) {return -1;} static inline void pci_disable_msi(struct pci_dev *dev) {} static inline int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;} static inline void pci_disable_msix(struct pci_dev *dev) {} static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) {} #else extern void pci_scan_msi_device(struct pci_dev *dev); extern int pci_enable_msi(struct pci_dev *dev); extern void pci_disable_msi(struct pci_dev *dev); extern int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec); extern void pci_disable_msix(struct pci_dev *dev); extern void msi_remove_pci_irq_vectors(struct pci_dev *dev); #endif extern void pci_block_user_cfg_access(struct pci_dev *dev); extern void pci_unblock_user_cfg_access(struct pci_dev *dev); /* * PCI domain support. Sometimes called PCI segment (eg by ACPI), * a PCI domain is defined to be a set of PCI busses which share * configuration space. */ #ifndef CONFIG_PCI_DOMAINS static inline int pci_domain_nr(struct pci_bus *bus) { return 0; } static inline int pci_proc_domain(struct pci_bus *bus) { return 0; } #endif #else /* CONFIG_PCI is not enabled */ /* * If the system does not have PCI, clearly these return errors. Define * these as simple inline functions to avoid hair in drivers. */ #define _PCI_NOP(o,s,t) \ static inline int pci_##o##_config_##s (struct pci_dev *dev, int where, t val) \ { return PCIBIOS_FUNC_NOT_SUPPORTED; } #define _PCI_NOP_ALL(o,x) _PCI_NOP(o,byte,u8 x) \ _PCI_NOP(o,word,u16 x) \ _PCI_NOP(o,dword,u32 x) _PCI_NOP_ALL(read, *) _PCI_NOP_ALL(write,) static inline struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *from) { return NULL; } static inline struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn) { return NULL; } static inline struct pci_dev *pci_get_device (unsigned int vendor, unsigned int device, struct pci_dev *from) { return NULL; } static inline struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device, unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from) { return NULL; } static inline struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from) { return NULL; } #define pci_dev_present(ids) (0) #define pci_dev_put(dev) do { } while (0) static inline void pci_set_master(struct pci_dev *dev) { } static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; } static inline void pci_disable_device(struct pci_dev *dev) { } static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; } static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;} static inline int __pci_register_driver(struct pci_driver *drv, struct module *owner) { return 0;} static inline int pci_register_driver(struct pci_driver *drv) { return 0;} static inline void pci_unregister_driver(struct pci_driver *drv) { } static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; } static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; } static inline const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev) { return NULL; } /* Power management related routines */ static inline int pci_save_state(struct pci_dev *dev) { return 0; } static inline int pci_restore_state(struct pci_dev *dev) { return 0; } static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; } static inline pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { return PCI_D0; } static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; } #define isa_bridge ((struct pci_dev *)NULL) #define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0) static inline void pci_block_user_cfg_access(struct pci_dev *dev) { } static inline void pci_unblock_user_cfg_access(struct pci_dev *dev) { } #endif /* CONFIG_PCI */ /* Include architecture-dependent settings and functions */ #include /* these helpers provide future and backwards compatibility * for accessing popular PCI BAR info */ #define pci_resource_start(dev,bar) ((dev)->resource[(bar)].start) #define pci_resource_end(dev,bar) ((dev)->resource[(bar)].end) #define pci_resource_flags(dev,bar) ((dev)->resource[(bar)].flags) #define pci_resource_len(dev,bar) \ ((pci_resource_start((dev),(bar)) == 0 && \ pci_resource_end((dev),(bar)) == \ pci_resource_start((dev),(bar))) ? 0 : \ \ (pci_resource_end((dev),(bar)) - \ pci_resource_start((dev),(bar)) + 1)) /* Similar to the helpers above, these manipulate per-pci_dev * driver-specific data. They are really just a wrapper around * the generic device structure functions of these calls. */ static inline void *pci_get_drvdata (struct pci_dev *pdev) { return dev_get_drvdata(&pdev->dev); } static inline void pci_set_drvdata (struct pci_dev *pdev, void *data) { dev_set_drvdata(&pdev->dev, data); } /* If you want to know what to call your pci_dev, ask this function. * Again, it's a wrapper around the generic device. */ static inline char *pci_name(struct pci_dev *pdev) { return pdev->dev.bus_id; } /* Some archs don't want to expose struct resource to userland as-is * in sysfs and /proc */ #ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, u64 *start, u64 *end) { *start = rsrc->start; *end = rsrc->end; } #endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */ /* * The world is not perfect and supplies us with broken PCI devices. * For at least a part of these bugs we need a work-around, so both * generic (drivers/pci/quirks.c) and per-architecture code can define * fixup hooks to be called for particular buggy devices. */ struct pci_fixup { u16 vendor, device; /* You can use PCI_ANY_ID here of course */ void (*hook)(struct pci_dev *dev); }; enum pci_fixup_pass { pci_fixup_early, /* Before probing BARs */ pci_fixup_header, /* After reading configuration header */ pci_fixup_final, /* Final phase of device fixups */ pci_fixup_enable, /* pci_enable_device() time */ }; /* Anonymous variables would be nice... */ #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, hook) \ static const struct pci_fixup __pci_fixup_##name __attribute_used__ \ __attribute__((__section__(#section))) = { vendor, device, hook }; #define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook) \ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early, \ vendor##device##hook, vendor, device, hook) #define DECLARE_PCI_FIXUP_HEADER(vendor, device, hook) \ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header, \ vendor##device##hook, vendor, device, hook) #define DECLARE_PCI_FIXUP_FINAL(vendor, device, hook) \ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final, \ vendor##device##hook, vendor, device, hook) #define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook) \ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable, \ vendor##device##hook, vendor, device, hook) void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev); extern int pci_pci_problems; #define PCIPCI_FAIL 1 #define PCIPCI_TRITON 2 #define PCIPCI_NATOMA 4 #define PCIPCI_VIAETBF 8 #define PCIPCI_VSFX 16 #define PCIPCI_ALIMAGIK 32 #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */