From f146c7bc85a51f95c05e0f8173d484eb301ece78 Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Thu, 13 Aug 2026 18:52:04 +0200 Subject: PCI: Add pci_irq_type() to query the allocated interrupt type Add a helper that returns PCI_IRQ_MSIX, PCI_IRQ_MSI, or PCI_IRQ_INTX based on the interrupt type the PCI core selected after pci_alloc_irq_vectors(). Several drivers already open-code this check against pdev->msix_enabled and pdev->msi_enabled, or even open code this helper [1]. A common helper avoids the duplication and keeps drivers from accessing the bitfield directly (see also [2]). Acked-by: Bjorn Helgaas Tested-by: John Hubbard Link: https://elixir.bootlin.com/linux/v7.1/source/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c#L196 [1] Inspired-by: John Hubbard Link: https://lore.kernel.org/all/DKKG2QM3YJYB.Z2H2B2UXJ75N@kernel.org/ [2] Reviewed-by: Gary Guo Link: https://patch.msgid.link/20260813165234.620555-5-dakr@kernel.org [ Add missing pci_irq_type() stub for CONFIG_PCI=n. ] Signed-off-by: Danilo Krummrich --- tools/perf/util/compress.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 tools/perf/util/compress.h (limited to 'tools/perf/util/compress.h') diff --git a/tools/perf/util/compress.h b/tools/perf/util/compress.h new file mode 100644 index 000000000..6cfecfca1 --- /dev/null +++ b/tools/perf/util/compress.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef PERF_COMPRESS_H +#define PERF_COMPRESS_H + +#include +#include +#include +#include +#include +#ifdef HAVE_ZSTD_SUPPORT +#include +#endif + +#ifdef HAVE_ZLIB_SUPPORT +int gzip_decompress_to_file(const char *input, int output_fd); +bool gzip_is_compressed(const char *input); +#endif + +#ifdef HAVE_LZMA_SUPPORT +int lzma_decompress_stream_to_file(FILE *input, int output_fd); +int lzma_decompress_to_file(const char *input, int output_fd); +bool lzma_is_compressed(const char *input); +#else +static inline +int lzma_decompress_stream_to_file(FILE *input __maybe_unused, + int output_fd __maybe_unused) +{ + return -1; +} +static inline +int lzma_decompress_to_file(const char *input __maybe_unused, + int output_fd __maybe_unused) +{ + return -1; +} +static inline int lzma_is_compressed(const char *input __maybe_unused) +{ + return false; +} +#endif + +struct zstd_data { +#ifdef HAVE_ZSTD_SUPPORT + ZSTD_CStream *cstream; + ZSTD_DStream *dstream; + int comp_level; +#endif +}; + +#ifdef HAVE_ZSTD_SUPPORT + +int zstd_init(struct zstd_data *data, int level); +int zstd_fini(struct zstd_data *data); + +ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, + void *src, size_t src_size, size_t max_record_size, + size_t process_header(void *record, size_t increment)); + +size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size, + void *dst, size_t dst_size); +#else /* !HAVE_ZSTD_SUPPORT */ + +static inline int zstd_init(struct zstd_data *data __maybe_unused, int level __maybe_unused) +{ + return 0; +} + +static inline int zstd_fini(struct zstd_data *data __maybe_unused) +{ + return 0; +} + +static inline +ssize_t zstd_compress_stream_to_records(struct zstd_data *data __maybe_unused, + void *dst __maybe_unused, size_t dst_size __maybe_unused, + void *src __maybe_unused, size_t src_size __maybe_unused, + size_t max_record_size __maybe_unused, + size_t process_header(void *record, size_t increment) __maybe_unused) +{ + return 0; +} + +static inline size_t zstd_decompress_stream(struct zstd_data *data __maybe_unused, void *src __maybe_unused, + size_t src_size __maybe_unused, void *dst __maybe_unused, + size_t dst_size __maybe_unused) +{ + return 0; +} +#endif + +#endif /* PERF_COMPRESS_H */ -- cgit v1.3.1