diff options
Diffstat (limited to '')
| -rw-r--r-- | docs/about/deprecated.rst | 7 | ||||
| -rw-r--r-- | docs/about/removed-features.rst | 10 | ||||
| -rw-r--r-- | docs/conf.py | 39 | ||||
| -rw-r--r-- | include/hw/boards.h | 58 | ||||
| -rw-r--r-- | tests/qtest/q35-test.c | 37 |
5 files changed, 90 insertions, 61 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 05381441a9..1a1b423030 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -278,6 +278,13 @@ CPU implementation for a while before removing all support. System emulator machines ------------------------ +Versioned machine types (aarch64, arm, i386, m68k, ppc64, s390x, x86_64) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +In accordance with our versioned machine type deprecation policy, all machine +types with version |VER_MACHINE_DEPRECATION_VERSION|, or older, have been +deprecated. + Arm ``virt`` machine ``dtb-kaslr-seed`` property (since 7.1) '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 790a5e481c..063284d4f8 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -981,10 +981,12 @@ from Linux in 2021, and is not supported anymore by QEMU either. System emulator machines ------------------------ -Note: Versioned machine types that have been introduced in a QEMU version -that has initially been released more than 6 years before are considered -obsolete and will be removed without further notice in this document. -Please use newer machine types instead. +Versioned machine types (aarch64, arm, i386, m68k, ppc64, s390x, x86_64) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +In accordance with our versioned machine type deprecation policy, all machine +types with version |VER_MACHINE_DELETION_VERSION|, or older, have been +removed. ``s390-virtio`` (removed in 2.6) '''''''''''''''''''''''''''''''' diff --git a/docs/conf.py b/docs/conf.py index 7b5712e122..f892a6e1da 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -117,6 +117,32 @@ finally: else: version = release = "unknown version" +bits = version.split(".") + +major = int(bits[0]) +minor = int(bits[1]) +micro = int(bits[2]) + +# Check for a dev snapshot, so we can adjust to next +# predicted release version. +# +# This assumes we do 3 releases per year, so must bump +# major if minor == 2 +if micro >= 50: + micro = 0 + if minor == 2: + major += 1 + minor = 0 + else: + minor += 1 + +# These thresholds must match the constants +# MACHINE_VER_DELETION_MAJOR & MACHINE_VER_DEPRECATION_MAJOR +# defined in include/hw/boards.h and the introductory text in +# docs/about/deprecated.rst +ver_machine_deprecation_version = "%d.%d.0" % (major - 3, minor) +ver_machine_deletion_version = "%d.%d.0" % (major - 6, minor) + # The language for content autogenerated by Sphinx. Refer to documentation # for a list of supported languages. # @@ -145,7 +171,18 @@ suppress_warnings = ["ref.option"] # environment variable is not set is for the benefit of readthedocs # style document building; our Makefile always sets the variable. confdir = os.getenv('CONFDIR', "/etc/qemu") -rst_epilog = ".. |CONFDIR| replace:: ``" + confdir + "``\n" + +vars = { + "CONFDIR": confdir, + "VER_MACHINE_DEPRECATION_VERSION": ver_machine_deprecation_version, + "VER_MACHINE_DELETION_VERSION": ver_machine_deletion_version, +} + +rst_epilog = "".join([ + ".. |" + key + "| replace:: ``" + vars[key] + "``\n" + for key in vars.keys() +]) + # We slurp in the defs.rst.inc and literally include it into rst_epilog, # because Sphinx's include:: directive doesn't work with absolute paths # and there isn't any one single relative path that will work for all diff --git a/include/hw/boards.h b/include/hw/boards.h index 765dc8dd35..a7b1fcffae 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -636,7 +636,11 @@ struct MachineState { /* * How many years/major releases for each phase * of the life cycle. Assumes use of versioning - * scheme where major is bumped each year + * scheme where major is bumped each year. + * + * These values must match the ver_machine_deprecation_version + * and ver_machine_deletion_version logic in docs/conf.py and + * the text in docs/about/deprecated.rst */ #define MACHINE_VER_DELETION_MAJOR 6 #define MACHINE_VER_DEPRECATION_MAJOR 3 @@ -650,11 +654,42 @@ struct MachineState { " years old are subject to deletion after " \ stringify(MACHINE_VER_DELETION_MAJOR) " years" -#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \ +#define _MACHINE_VER_IS_CURRENT_EXPIRED(cutoff, major, minor) \ (((QEMU_VERSION_MAJOR - major) > cutoff) || \ (((QEMU_VERSION_MAJOR - major) == cutoff) && \ (QEMU_VERSION_MINOR - minor) >= 0)) +#define _MACHINE_VER_IS_NEXT_MINOR_EXPIRED(cutoff, major, minor) \ + (((QEMU_VERSION_MAJOR - major) > cutoff) || \ + (((QEMU_VERSION_MAJOR - major) == cutoff) && \ + ((QEMU_VERSION_MINOR + 1) - minor) >= 0)) + +#define _MACHINE_VER_IS_NEXT_MAJOR_EXPIRED(cutoff, major, minor) \ + ((((QEMU_VERSION_MAJOR + 1) - major) > cutoff) || \ + ((((QEMU_VERSION_MAJOR + 1) - major) == cutoff) && \ + (0 - minor) >= 0)) + +/* + * - The first check applies to formal releases + * - The second check applies to dev snapshots / release candidates + * where the next major version is the same. + * e.g. 9.0.50, 9.1.50, 9.0.90, 9.1.90 + * - The third check applies to dev snapshots / release candidates + * where the next major version will change. + * e.g. 9.2.50, 9.2.90 + * + * NB: this assumes we do 3 minor releases per year, before bumping major, + * and dev snapshots / release candidates are numbered with micro >= 50 + * If this ever changes the logic below will need modifying.... + */ +#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \ + ((QEMU_VERSION_MICRO < 50 && \ + _MACHINE_VER_IS_CURRENT_EXPIRED(cutoff, major, minor)) || \ + (QEMU_VERSION_MICRO >= 50 && QEMU_VERSION_MINOR < 2 && \ + _MACHINE_VER_IS_NEXT_MINOR_EXPIRED(cutoff, major, minor)) || \ + (QEMU_VERSION_MICRO >= 50 && QEMU_VERSION_MINOR == 2 && \ + _MACHINE_VER_IS_NEXT_MAJOR_EXPIRED(cutoff, major, minor))) + #define _MACHINE_VER_IS_EXPIRED2(cutoff, major, minor) \ _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) #define _MACHINE_VER_IS_EXPIRED3(cutoff, major, minor, micro) \ @@ -719,28 +754,11 @@ struct MachineState { * suitable period of time has passed, it will cause * execution of the method to return, avoiding registration * of the machine - * - * The new deprecation and deletion policy for versioned - * machine types was introduced in QEMU 9.1.0. - * - * Under the new policy a number of old machine types (any - * prior to 2.12) would be liable for immediate deletion - * which would be a violation of our historical deprecation - * and removal policy - * - * Thus deletions are temporarily gated on existance of - * the env variable "QEMU_DELETE_MACHINES" / QEMU version - * number >= 10.1.0. This gate can be deleted in the 10.1.0 - * dev cycle */ #define MACHINE_VER_DELETION(...) \ do { \ if (MACHINE_VER_SHOULD_DELETE(__VA_ARGS__)) { \ - if (getenv("QEMU_DELETE_MACHINES") || \ - QEMU_VERSION_MAJOR > 10 || (QEMU_VERSION_MAJOR == 10 && \ - QEMU_VERSION_MINOR >= 1)) { \ - return; \ - } \ + return; \ } \ } while (0) diff --git a/tests/qtest/q35-test.c b/tests/qtest/q35-test.c index 75d4078b79..62fff49fc8 100644 --- a/tests/qtest/q35-test.c +++ b/tests/qtest/q35-test.c @@ -246,41 +246,6 @@ static void test_smram_smbase_lock(void) qtest_quit(qts); } -static void test_without_smram_base(void) -{ - QPCIBus *pcibus; - QPCIDevice *pcidev; - QTestState *qts; - int i; - - qts = qtest_init("-M pc-q35-4.1"); - - pcibus = qpci_new_pc(qts, NULL); - g_assert(pcibus != NULL); - - pcidev = qpci_device_find(pcibus, 0); - g_assert(pcidev != NULL); - - /* check that RAM is accessible */ - qtest_writeb(qts, SMBASE, SMRAM_TEST_PATTERN); - g_assert_cmpint(qtest_readb(qts, SMBASE), ==, SMRAM_TEST_PATTERN); - - /* check that writing to 0x9c succeeds */ - for (i = 0; i <= 0xff; i++) { - qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_F_SMBASE, i); - g_assert(qpci_config_readb(pcidev, MCH_HOST_BRIDGE_F_SMBASE) == i); - } - - /* check that RAM is still accessible */ - qtest_writeb(qts, SMBASE, SMRAM_TEST_PATTERN + 1); - g_assert_cmpint(qtest_readb(qts, SMBASE), ==, (SMRAM_TEST_PATTERN + 1)); - - g_free(pcidev); - qpci_free_pc(pcibus); - - qtest_quit(qts); -} - int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); @@ -293,6 +258,6 @@ int main(int argc, char **argv) qtest_add_data_func("/q35/tseg-size/ext/16mb", &tseg_ext_16mb, test_tseg_size); qtest_add_func("/q35/smram/smbase_lock", test_smram_smbase_lock); - qtest_add_func("/q35/smram/legacy_smbase", test_without_smram_base); + return g_test_run(); } |