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2023-12-30hw/nvram: Constify VMStateRichard Henderson1-1/+1
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231221031652.119827-43-richard.henderson@linaro.org>
2023-11-01migration: Use vmstate_register_any() for eeprom93xxJuan Quintela1-1/+1
We can have more than one eeprom93xx. For instance: e100_nic_realize() -> eeprom93xx_new() Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-ID: <20231020090731.28701-13-quintela@redhat.com>
2022-10-22Drop useless casts from g_malloc() & friends to pointerMarkus Armbruster1-1/+1
These memory allocation functions return void *, and casting to another pointer type is useless clutter. Drop these casts. If you really want another pointer type, consider g_new(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20220923120025.448759-3-armbru@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-12-19migration: Replace migration's JSON writer by the general oneMarkus Armbruster1-1/+1
Commit 8118f0950f "migration: Append JSON description of migration stream" needs a JSON writer. The existing qobject_to_json() wasn't a good fit, because it requires building a QObject to convert. Instead, migration got its very own JSON writer, in commit 190c882ce2 "QJSON: Add JSON writer". It tacitly limits numbers to int64_t, and strings contents to characters that don't need escaping, unlike qobject_to_json(). The previous commit factored the JSON writer out of qobject_to_json(). Replace migration's JSON writer by it. Cc: Juan Quintela <quintela@redhat.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-17-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-16misc: Replace zero-length arrays with flexible array member (automatic)Philippe Mathieu-Daudé1-1/+1
Description copied from Linux kernel commit from Gustavo A. R. Silva (see [3]): --v-- description start --v-- The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member [1], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being unadvertenly introduced [2] to the Linux codebase from now on. --^-- description end --^-- Do the similar housekeeping in the QEMU codebase (which uses C99 since commit 7be41675f7cb). All these instances of code were found with the help of the following Coccinelle script: @@ identifier s, m, a; type t, T; @@ struct s { ... t m; - T a[0]; + T a[]; }; @@ identifier s, m, a; type t, T; @@ struct s { ... t m; - T a[0]; + T a[]; } QEMU_PACKED; [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76497732932f [3] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=17642a2fbd2c1 Inspired-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-06vmstate: replace DeviceState with VMStateIfMarc-André Lureau1-2/+2
Replace DeviceState dependency with VMStateIf on vmstate API. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Halil Pasic <pasic@linux.ibm.com>
2019-08-16Include hw/hw.h exactly where neededMarkus Armbruster1-1/+0
In my "build everything" tree, changing hw/hw.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The previous commits have left only the declaration of hw_error() in hw/hw.h. This permits dropping most of its inclusions. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-19-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-16Include migration/vmstate.h lessMarkus Armbruster1-0/+1
In my "build everything" tree, changing migration/vmstate.h triggers a recompile of some 2700 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). hw/hw.h supposedly includes it for convenience. Several other headers include it just to get VMStateDescription. The previous commit made that unnecessary. Include migration/vmstate.h only where it's still needed. Touching it now recompiles only some 1600 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-16-armbru@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-16Include migration/qemu-file-types.h a lot lessMarkus Armbruster1-0/+1
In my "build everything" tree, changing migration/qemu-file-types.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The culprit is again hw/hw.h, which supposedly includes it for convenience. Include migration/qemu-file-types.h only where it's needed. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-10-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2018-11-27vmstate: constify VMStateFieldMarc-André Lureau1-3/+3
Because they are supposed to remain const. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20181114132931.22624-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-28vmstate: error hint for failed equal checksHalil Pasic1-1/+1
In some cases a failing VMSTATE_*_EQUAL does not mean we detected a bug, but it's actually the best we can do. Especially in these cases a verbose error message is required. Let's introduce infrastructure for specifying a error hint to be used if equal check fails. Let's do this by adding a parameter to the _EQUAL macros called _err_hint. Also change all current users to pass NULL as last parameter so nothing changes for them. Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com> Message-Id: <20170623144823.42936-1-pasic@linux.vnet.ibm.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-01-24migration: extend VMStateInfoJianjun Duan1-2/+6
Current migration code cannot handle some data structures such as QTAILQ in qemu/queue.h. Here we extend the signatures of put/get in VMStateInfo so that customized handling is supported. put now will return int type. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Jianjun Duan <duanj@linux.vnet.ibm.com> Message-Id: <1484852453-12728-2-git-send-email-duanj@linux.vnet.ibm.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2016-01-29hw: Clean up includesPeter Maydell1-0/+1
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453832250-766-38-git-send-email-peter.maydell@linaro.org
2014-06-16savevm: Remove all the unneeded version_minimum_id_old (x86)Juan Quintela1-2/+1
After previous Peter patch, they are redundant. This way we don't assign them except when needed. Once there, there were lots of case where the ".fields" indentation was wrong: .fields = (VMStateField []) { and .fields = (VMStateField []) { Change all the combinations to: .fields = (VMStateField[]){ The biggest problem (appart from aesthetics) was that checkpatch complained when we copy&pasted the code from one place to another. Signed-off-by: Juan Quintela <quintela@redhat.com> Acked-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2013-12-06eeprom93xx: fix coding styleAntony Pavlov1-31/+31
scripts/checkpatch.pl reports about some style problems, this commit fixes some of them: ERROR: space prohibited before open square bracket '[' + .fields = (VMStateField []) { ERROR: space prohibited after that '!' (ctx:BxW) + if (! eeprom->eecs && eecs) { ^ ERROR: space prohibited after that '!' (ctx:WxW) + } else if (eeprom->eecs && ! eecs) { ^ ERROR: space prohibited after that '!' (ctx:WxW) + } else if (eecs && ! eeprom->eesk && eesk) { ^ ERROR: switch and case should be at the same indent switch (address >> (eeprom->addrbits - 2)) { + case 0: [...] + case 1: [...] + case 2: [...] + case 3: ERROR: return is not a function, parentheses are not required + return (eeprom->eedo); ERROR: switch and case should be at the same indent switch (nwords) { + case 16: + case 64: [...] + case 128: + case 256: [...] + default: Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Cc: Stefan Weil <sw@weilnetz.de> Reviewed-by: Stefan Weil <sw@weilnetz.de> Cc: qemu-trivial@nongnu.org Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-04-08hw: move target-independent files to subdirectoriesPaolo Bonzini1-0/+337
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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