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* tdfx: clean up empty lines in .c and .h filesMateusz Guzik2020-09-012-14/+9
| | | | Notes: svn path=/head/; revision=365146
* sys/dev: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-276-0/+12
| | | | | | | | | | | | | | | Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Notes: svn path=/head/; revision=326255
* Cleanup unnecessary semicolons from the kernel.Pedro F. Giffuni2016-04-101-1/+1
| | | | | | | Found with devel/coccinelle. Notes: svn path=/head/; revision=297793
* Update kernel inclusions of capability.h to use capsicum.h instead; someRobert Watson2014-03-161-1/+1
| | | | | | | | | | | further refinement is required as some device drivers intended to be portable over FreeBSD versions rely on __FreeBSD_version to decide whether to include capability.h. MFC after: 3 weeks Notes: svn path=/head/; revision=263233
* Change the cap_rights_t type from uint64_t to a structure that we can extendPawel Jakub Dawidek2013-09-051-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | in the future in a backward compatible (API and ABI) way. The cap_rights_t represents capability rights. We used to use one bit to represent one right, but we are running out of spare bits. Currently the new structure provides place for 114 rights (so 50 more than the previous cap_rights_t), but it is possible to grow the structure to hold at least 285 rights, although we can make it even larger if 285 rights won't be enough. The structure definition looks like this: struct cap_rights { uint64_t cr_rights[CAP_RIGHTS_VERSION + 2]; }; The initial CAP_RIGHTS_VERSION is 0. The top two bits in the first element of the cr_rights[] array contain total number of elements in the array - 2. This means if those two bits are equal to 0, we have 2 array elements. The top two bits in all remaining array elements should be 0. The next five bits in all array elements contain array index. Only one bit is used and bit position in this five-bits range defines array index. This means there can be at most five array elements in the future. To define new right the CAPRIGHT() macro must be used. The macro takes two arguments - an array index and a bit to set, eg. #define CAP_PDKILL CAPRIGHT(1, 0x0000000000000800ULL) We still support aliases that combine few rights, but the rights have to belong to the same array element, eg: #define CAP_LOOKUP CAPRIGHT(0, 0x0000000000000400ULL) #define CAP_FCHMOD CAPRIGHT(0, 0x0000000000002000ULL) #define CAP_FCHMODAT (CAP_FCHMOD | CAP_LOOKUP) There is new API to manage the new cap_rights_t structure: cap_rights_t *cap_rights_init(cap_rights_t *rights, ...); void cap_rights_set(cap_rights_t *rights, ...); void cap_rights_clear(cap_rights_t *rights, ...); bool cap_rights_is_set(const cap_rights_t *rights, ...); bool cap_rights_is_valid(const cap_rights_t *rights); void cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src); void cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src); bool cap_rights_contains(const cap_rights_t *big, const cap_rights_t *little); Capability rights to the cap_rights_init(), cap_rights_set(), cap_rights_clear() and cap_rights_is_set() functions are provided by separating them with commas, eg: cap_rights_t rights; cap_rights_init(&rights, CAP_READ, CAP_WRITE, CAP_FSTAT); There is no need to terminate the list of rights, as those functions are actually macros that take care of the termination, eg: #define cap_rights_set(rights, ...) \ __cap_rights_set((rights), __VA_ARGS__, 0ULL) void __cap_rights_set(cap_rights_t *rights, ...); Thanks to using one bit as an array index we can assert in those functions that there are no two rights belonging to different array elements provided together. For example this is illegal and will be detected, because CAP_LOOKUP belongs to element 0 and CAP_PDKILL to element 1: cap_rights_init(&rights, CAP_LOOKUP | CAP_PDKILL); Providing several rights that belongs to the same array's element this way is correct, but is not advised. It should only be used for aliases definition. This commit also breaks compatibility with some existing Capsicum system calls, but I see no other way to do that. This should be fine as Capsicum is still experimental and this change is not going to 9.x. Sponsored by: The FreeBSD Foundation Notes: svn path=/head/; revision=255219
* Update PCI drivers to no longer look at the MEMIO-enabled bit in the PCIScott Long2013-08-121-7/+0
| | | | | | | | | | | | | | | | | | | | command register. The lazy BAR allocation code in FreeBSD sometimes disables this bit when it detects a range conflict, and will re-enable it on demand when a driver allocates the BAR. Thus, the bit is no longer a reliable indication of capability, and should not be checked. This results in the elimination of a lot of code from drivers, and also gives the opportunity to simplify a lot of drivers to use a helper API to set the busmaster enable bit. This changes fixes some recent reports of disk controllers and their associated drives/enclosures disappearing during boot. Submitted by: jhb Reviewed by: jfv, marius, achadd, achim MFC after: 1 day Notes: svn path=/head/; revision=254263
* Revert previous commit...Kevin Lo2012-10-101-1/+1
| | | | | | | Pointyhat to: kevlo (myself) Notes: svn path=/head/; revision=241394
* Prefer NULL over 0 for pointersKevin Lo2012-10-091-1/+1
| | | | Notes: svn path=/head/; revision=241370
* Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs.Ed Schouten2011-11-071-1/+1
| | | | | | | This means that their use is restricted to a single C file. Notes: svn path=/head/; revision=227293
* Second-to-last commit implementing Capsicum capabilities in the FreeBSDRobert Watson2011-08-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kernel for FreeBSD 9.0: Add a new capability mask argument to fget(9) and friends, allowing system call code to declare what capabilities are required when an integer file descriptor is converted into an in-kernel struct file *. With options CAPABILITIES compiled into the kernel, this enforces capability protection; without, this change is effectively a no-op. Some cases require special handling, such as mmap(2), which must preserve information about the maximum rights at the time of mapping in the memory map so that they can later be enforced in mprotect(2) -- this is done by narrowing the rights in the existing max_protection field used for similar purposes with file permissions. In namei(9), we assert that the code is not reached from within capability mode, as we're not yet ready to enforce namespace capabilities there. This will follow in a later commit. Update two capability names: CAP_EVENT and CAP_KEVENT become CAP_POST_KEVENT and CAP_POLL_KEVENT to more accurately indicate what they represent. Approved by: re (bz) Submitted by: jonathan Sponsored by: Google Inc Notes: svn path=/head/; revision=224778
* Remove duplicate header includesKevin Lo2011-06-281-1/+0
| | | | Notes: svn path=/head/; revision=223624
* Remove references to MAKEDEV(8)Doug Barton2010-11-151-1/+1
| | | | Notes: svn path=/head/; revision=215334
* Update d_mmap() to accept vm_ooffset_t and vm_memattr_t.Robert Noland2009-12-291-1/+2
| | | | | | | | | | | | | | | | This replaces d_mmap() with the d_mmap2() implementation and also changes the type of offset to vm_ooffset_t. Purge d_mmap2(). All driver modules will need to be rebuilt since D_VERSION is also bumped. Reviewed by: jhb@ MFC after: Not in this lifetime... Notes: svn path=/head/; revision=201223
* Let tdfx(4) use si_drv1 instead of using dev2unit().Ed Schouten2009-04-141-6/+4
| | | | Notes: svn path=/head/; revision=191056
* Replace all calls to minor() with dev2unit().Ed Schouten2008-09-271-3/+3
| | | | | | | | | | | | | | | | | | After I removed all the unit2minor()/minor2unit() calls from the kernel yesterday, I realised calling minor() everywhere is quite confusing. Character devices now only have the ability to store a unit number, not a minor number. Remove the confusion by using dev2unit() everywhere. This commit could also be considered as a bug fix. A lot of drivers call minor(), while they should actually be calling dev2unit(). In -CURRENT this isn't a problem, but it turns out we never had any problem reports related to that issue in the past. I suspect not many people connect more than 256 pieces of the same hardware. Reviewed by: kib Notes: svn path=/head/; revision=183397
* Add the module dependency on the mem(4) module. This will fix the moduleColeman Kane2008-03-131-0/+1
| | | | | | | | | | | | failing to load on a kernel that has "nodevice mem" in the config. It will now properly bring in the mem(4) module. Submitted by: antoine Reviewed by: imp MFC after: 1 week Notes: svn path=/head/; revision=177147
* Take the functionality contained in the former "options TDFX_LINUX"Yaroslav Tykhiy2006-03-032-38/+88
| | | | | | | | | | | | | | into a separate module. Accordingly, convert the option into a device named similarly. Note for MFC: Perhaps the option should stay in RELENG_6 for POLA reasons. Suggested by: scottl Reviewed by: cokane MFC after: 5 days Notes: svn path=/head/; revision=156260
* Normalize a significant number of kernel malloc type names:Robert Watson2005-10-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | - Prefer '_' to ' ', as it results in more easily parsed results in memory monitoring tools such as vmstat. - Remove punctuation that is incompatible with using memory type names as file names, such as '/' characters. - Disambiguate some collisions by adding subsystem prefixes to some memory types. - Generally prefer lower case to upper case. - If the same type is defined in multiple architecture directories, attempt to use the same name in additional cases. Not all instances were caught in this change, so more work is required to finish this conversion. Similar changes are required for UMA zone names. Notes: svn path=/head/; revision=151897
* Use BUS_PROBE_DEFAULT in preference to 0. Also for vx, returnWarner Losh2005-03-011-7/+7
| | | | | | | | BUS_PROBE_LOW_PRIORITY in stead of ifdef for devices that xl and vx both support so that xl will snarf them on up. Notes: svn path=/head/; revision=142880
* remove dead code (inside a DEBUG ifdef)Sam Leffler2005-02-221-6/+2
| | | | | | | Submitted by: Coverity Prevent analysis tool Notes: svn path=/head/; revision=142253
* Start each of the license/copyright comments with /*-, minor shuffle of linesWarner Losh2005-01-064-4/+4
| | | | Notes: svn path=/head/; revision=139749
* Do the dreaded s/dev_t/struct cdev */Poul-Henning Kamp2004-06-162-5/+5
| | | | | | | Bump __FreeBSD_version accordingly. Notes: svn path=/head/; revision=130585
* Add missing <sys/module.h> includesPoul-Henning Kamp2004-05-301-1/+2
| | | | Notes: svn path=/head/; revision=129879
* Convert callers to the new bus_alloc_resource_any(9) API.Nate Lawson2004-03-171-6/+6
| | | | | | | | Submitted by: Mark Santcroos <marks@ripe.net> Reviewed by: imp, dfr, bde Notes: svn path=/head/; revision=127135
* Device megapatch 4/6:Poul-Henning Kamp2004-02-211-0/+2
| | | | | | | | | | | Introduce d_version field in struct cdevsw, this must always be initialized to D_VERSION. Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing four D_NOGIANT flags and adding 145 D_NEEDGIANT flags. Notes: svn path=/head/; revision=126080
* Device megapatch 1/6:Poul-Henning Kamp2004-02-212-2/+0
| | | | | | | | | | Free approx 86 major numbers with a mostly automatically generated patch. A number of strategic drivers have been left behind by caution, and a few because they still (ab)use their major number. Notes: svn path=/head/; revision=126076
* Use PCIR_BAR(x) instead of PCIR_MAPS.John Baldwin2003-09-021-1/+1
| | | | | | | | Glanced over by: imp, gibbs Tested by: i386 LINT Notes: svn path=/head/; revision=119690
* Use __FBSDID().David E. O'Brien2003-08-241-3/+4
| | | | | | | Also some minor style cleanups. Notes: svn path=/head/; revision=119418
* Prefer new location of pci include files (which have only been in theWarner Losh2003-08-221-2/+2
| | | | | | | | tree for two or more years now), except in a few places where there's code to be compatible with older versions of FreeBSD. Notes: svn path=/head/; revision=119287
* Remove extra ';'Poul-Henning Kamp2003-05-311-2/+2
| | | | | | | Found by: FlexeLint Notes: svn path=/head/; revision=115494
* - Add vm_paddr_t, a physical address type. This is required for systemsJake Burkholder2003-03-251-1/+1
| | | | | | | | | | | | | | | | | | where physical addresses larger than virtual addresses, such as i386s with PAE. - Use this to represent physical addresses in the MI vm system and in the i386 pmap code. This also changes the paddr parameter to d_mmap_t. - Fix printf formats to handle physical addresses >4G in the i386 memory detection code, and due to kvtop returning vm_paddr_t instead of u_long. Note that this is a name change only; vm_paddr_t is still the same as vm_offset_t on all currently supported platforms. Sponsored by: DARPA, Network Associates Laboratories Discussed with: re, phk (cdevsw change) Notes: svn path=/head/; revision=112569
* Gigacommit to improve device-driver source compatibility betweenPoul-Henning Kamp2003-03-031-13/+6
| | | | | | | | | | | | | | | | branches: Initialize struct cdevsw using C99 sparse initializtion and remove all initializations to default values. This patch is automatically generated and has been tested by compiling LINT with all the fields in struct cdevsw in reverse order on alpha, sparc64 and i386. Approved by: re(scottl) Notes: svn path=/head/; revision=111815
* Use canonical format for cdevsw initilization.Poul-Henning Kamp2003-03-021-13/+13
| | | | Notes: svn path=/head/; revision=111752
* Cleanup of the d_mmap_t interface.Maxime Henrion2003-02-251-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Get rid of the useless atop() / pmap_phys_address() detour. The device mmap handlers must now give back the physical address without atop()'ing it. - Don't borrow the physical address of the mapping in the returned int. Now we properly pass a vm_offset_t * and expect it to be filled by the mmap handler when the mapping was successful. The mmap handler must now return 0 when successful, any other value is considered as an error. Previously, returning -1 was the only way to fail. This change thus accidentally fixes some devices which were bogusly returning errno constants which would have been considered as addresses by the device pager. - Garbage collect the poorly named pmap_phys_address() now that it's no longer used. - Convert all the d_mmap_t consumers to the new API. I'm still not sure wheter we need a __FreeBSD_version bump for this, since and we didn't guarantee API/ABI stability until 5.1-RELEASE. Discussed with: alc, phk, jake Reviewed by: peter Compile-tested on: LINT (i386), GENERIC (alpha and sparc64) Runtime-tested on: i386 Notes: svn path=/head/; revision=111462
* Make use of UID_ROOT, GID_WHEEL for make_dev() arguments.Robert Watson2002-12-271-1/+1
| | | | | | | | | | Remove the setgid bit from the 3dfx device (?). Synchronize permissions with the values in MAKEDEV for consistency. Submitted by: kris Notes: svn path=/head/; revision=108323
* Print pointers with %p instead of casting them to an unsigned int andJohn Baldwin2002-11-071-2/+2
| | | | | | | | then printing them with 0x%x which doesn't work when sizeof(void *) > sizeof(int). Notes: svn path=/head/; revision=106578
* Disabuse this driver of the notion that it needs to includePoul-Henning Kamp2002-09-282-4/+2
| | | | | | | | | <sys/bus_private.h> to find the unit from a device_t. Spotted by: FlexeLint Notes: svn path=/head/; revision=104111
* In continuation of early fileop credential changes, modify fo_ioctl() toRobert Watson2002-08-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | accept an 'active_cred' argument reflecting the credential of the thread initiating the ioctl operation. - Change fo_ioctl() to accept active_cred; change consumers of the fo_ioctl() interface to generally pass active_cred from td->td_ucred. - In fifofs, initialize filetmp.f_cred to ap->a_cred so that the invocations of soo_ioctl() are provided access to the calling f_cred. Pass ap->a_td->td_ucred as the active_cred, but note that this is required because we don't yet distinguish file_cred and active_cred in invoking VOP's. - Update kqueue_ioctl() for its new argument. - Update pipe_ioctl() for its new argument, pass active_cred rather than td_ucred to MAC for authorization. - Update soo_ioctl() for its new argument. - Update vn_ioctl() for its new argument, use active_cred rather than td->td_ucred to authorize VOP_IOCTL() and the associated VOP_GETATTR(). Obtained from: TrustedBSD Project Sponsored by: DARPA, NAI Labs Notes: svn path=/head/; revision=102003
* Don't put a line break in string literals. GCC 3.1 complains and GCCMarcel Moolenaar2002-04-201-2/+2
| | | | | | | 3.2 drops the ball. Notes: svn path=/head/; revision=95092
* Replace ffind_* with fget calls.Alfred Perlstein2002-01-141-3/+2
| | | | | | | | | | | Make fget MPsafe. Make fgetvp and fgetsock use the fget subsystem to reduce code bloat. Push giant down in fpathconf(). Notes: svn path=/head/; revision=89319
* SMP Lock struct file, filedesc and the global file list.Alfred Perlstein2002-01-131-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Seigo Tanimura (tanimura) posted the initial delta. I've polished it quite a bit reducing the need for locking and adapting it for KSE. Locks: 1 mutex in each filedesc protects all the fields. protects "struct file" initialization, while a struct file is being changed from &badfileops -> &pipeops or something the filedesc should be locked. 1 mutex in each struct file protects the refcount fields. doesn't protect anything else. the flags used for garbage collection have been moved to f_gcflag which was the FILLER short, this doesn't need locking because the garbage collection is a single threaded container. could likely be made to use a pool mutex. 1 sx lock for the global filelist. struct file * fhold(struct file *fp); /* increments reference count on a file */ struct file * fhold_locked(struct file *fp); /* like fhold but expects file to locked */ struct file * ffind_hold(struct thread *, int fd); /* finds the struct file in thread, adds one reference and returns it unlocked */ struct file * ffind_lock(struct thread *, int fd); /* ffind_hold, but returns file locked */ I still have to smp-safe the fget cruft, I'll get to that asap. Notes: svn path=/head/; revision=89306
* KSE Milestone 2Julian Elischer2001-09-121-14/+14
| | | | | | | | | | | | | | | | | Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha Notes: svn path=/head/; revision=83366
* Send the remains (such as I have located) of "block major numbers" toPoul-Henning Kamp2001-03-261-1/+0
| | | | | | | the bit-bucket. Notes: svn path=/head/; revision=74810
* Update copyright info, and make some slight cosmetic changes.Coleman Kane2001-03-204-10/+6
| | | | Notes: svn path=/head/; revision=74534
* Change Voodoo Graphics device ID to 0x0001121a so it gets probed.Coleman Kane2001-03-201-3/+3
| | | | Notes: svn path=/head/; revision=74533
* Zap silly #if NPCI > 0 and the hoops that we jump through for the modulePeter Wemm2001-01-291-9/+0
| | | | | | | | case. Use an 'and' case in conf/files so that it only gets compiled if pci is present. Notes: svn path=/head/; revision=71795
* Added some handling code to work with SLI configs, and removed some unusedColeman Kane2000-10-101-17/+28
| | | | | | | older code that was phased out but not removed, heh. Notes: svn path=/head/; revision=66910
* Removed detection for Voodoo Banshee and Voodoo3 cards. I forsee certainColeman Kane2000-08-282-16/+43
| | | | | | | | | | | | possible complications with the forthcoming DRI code, and feel that DRI should handle the device-level interaction. Read http://people.FreeBSD.org/~cokane/3dfx.html to find out more. Basically want to move toward using OpenGL and DRI for everything on these cards. Added a few defines and spacing style fixes in tdfx_vars.h Notes: svn path=/head/; revision=65146
* Update include directives for Linuxulator headers after theMarcel Moolenaar2000-08-221-3/+3
| | | | | | | MD/MI split. Notes: svn path=/head/; revision=64929
* Bring tdfx_pci.c in sync with some patches I have been testing. Adds betterColeman Kane2000-08-011-6/+8
| | | | | | | | stability for the Voodoo3/Banshee cards than there was before. Still has a little way to go before it is completely fixed for those cards though. Notes: svn path=/head/; revision=64085
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