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Fri, 01 Mar 2024 18:46:28 +0100 From: Sven Schnelle To: =?utf-8?q?Alex_Benn=C3=A9e?= , Alexandre Iooss , Mahmoud Mandour , Pierrick Bouvier Cc: qemu-devel@nongnu.org, deller@gmx.de, Sven Schnelle Subject: [PATCH v3 10/12] plugins: add range list API Date: Fri, 1 Mar 2024 18:46:07 +0100 Message-ID: <20240301174609.1964379-11-svens@stackframe.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240301174609.1964379-1-svens@stackframe.org> References: <20240301174609.1964379-1-svens@stackframe.org> MIME-Version: 1.0 Received-SPF: pass client-ip=23.83.214.9; envelope-from=svens@stackframe.org; helo=bactrian.maple.relay.mailchannels.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Export range_list_from_string(), range_contains() and range_list_free() to allow plugins to parse filter ranges and match them to avoid reimplementing this functionality. Signed-off-by: Sven Schnelle --- include/qemu/qemu-plugin.h | 41 ++++++++++++++++++++++++++++++++++++ plugins/api.c | 18 ++++++++++++++++ plugins/qemu-plugins.symbols | 3 +++ 3 files changed, 62 insertions(+) diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index 5839feea4d..4910a63d70 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -765,4 +765,45 @@ typedef struct Error Error; QEMU_PLUGIN_API void qemu_plugin_error_print(Error *err); +typedef GList qemu_plugin_range_list; + +/** + * qemu_plugin_ranges_from_string() - parse a filter range string + * + * @out_ranges: a pointer to a @qemu_plugin_range_list pointer + * @filter_spec: input string + * @errp: @Error string on parse failure + * + * This function parses a filter specification string and stores the + * parsed adress ranges found in @out. On parse failure a @Error pointer + * is stored in @errp. The function accepts a comma-separated list + * of start and end addresses or single addresses. + */ +QEMU_PLUGIN_API +void qemu_plugin_range_list_from_string(qemu_plugin_range_list **out_range, + const char *filter_spec, + Error **errp); + +/** + * qemu_plugin_range_list_contains() - match a value against a list + * of ranges + * + * @ranges: a pointer to a @qemu_plugin_range_list + * @val: the value to match + * + * This function matches @val against the adress range list in @ranges. + * On success, true is returned, otherwise false. + */ +QEMU_PLUGIN_API +bool qemu_plugin_range_list_contains(qemu_plugin_range_list *ranges, + uint64_t val); + +/** + * qemu_plugin_range_list_free() - free a list of ranges + * + * @ranges: a pointer to the list to be freed + */ +QEMU_PLUGIN_API +void qemu_plugin_range_list_free(qemu_plugin_range_list *ranges); + #endif /* QEMU_QEMU_PLUGIN_H */ diff --git a/plugins/api.c b/plugins/api.c index 8fd3a8964a..8dbd14c648 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -472,3 +472,21 @@ void qemu_plugin_error_print(Error *err) error_report_err(err); } +void qemu_plugin_range_list_from_string(qemu_plugin_range_list **out, + const char *filter_spec, + Error **errp) +{ + return range_list_from_string(out, filter_spec, errp); +} + +bool qemu_plugin_range_list_contains(qemu_plugin_range_list *ranges, + uint64_t val) +{ + return range_list_contains(ranges, val); +} + +void qemu_plugin_range_list_free(qemu_plugin_range_list *ranges) +{ + return range_list_free(ranges); +} + diff --git a/plugins/qemu-plugins.symbols b/plugins/qemu-plugins.symbols index b142d11e58..472b29fc5f 100644 --- a/plugins/qemu-plugins.symbols +++ b/plugins/qemu-plugins.symbols @@ -21,6 +21,9 @@ qemu_plugin_num_vcpus; qemu_plugin_outs; qemu_plugin_path_to_binary; + qemu_plugin_range_list_contains; + qemu_plugin_range_list_free; + qemu_plugin_range_list_from_string; qemu_plugin_read_register; qemu_plugin_register_atexit_cb; qemu_plugin_register_flush_cb;