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/include/nolibc/err.h | 87 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 tools/include/nolibc/err.h (limited to 'tools/include/nolibc/err.h') diff --git a/tools/include/nolibc/err.h b/tools/include/nolibc/err.h new file mode 100644 index 000000000..e22ae87a7 --- /dev/null +++ b/tools/include/nolibc/err.h @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * formatted error message for NOLIBC + * Copyright (C) 2026 Thomas Weißschuh + */ + +/* make sure to include all global symbols */ +#include "nolibc.h" + +#ifndef _NOLIBC_ERR_H +#define _NOLIBC_ERR_H + +#include "errno.h" +#include "stdarg.h" +#include "sys.h" + +static __attribute__((unused)) +void vwarn(const char *fmt, va_list args) +{ + fprintf(stderr, "%s: ", program_invocation_short_name); + vfprintf(stderr, fmt, args); + fprintf(stderr, ": %m\n"); +} + +static __attribute__((unused)) +void vwarnx(const char *fmt, va_list args) +{ + fprintf(stderr, "%s: ", program_invocation_short_name); + vfprintf(stderr, fmt, args); + fprintf(stderr, "\n"); +} + +static __attribute__((unused)) +void warn(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarn(fmt, args); + va_end(args); +} + +static __attribute__((unused)) +void warnx(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vwarnx(fmt, args); + va_end(args); +} + +static __attribute__((noreturn, unused)) +void verr(int eval, const char *fmt, va_list args) +{ + vwarn(fmt, args); + exit(eval); +} + +static __attribute__((noreturn, unused)) +void verrx(int eval, const char *fmt, va_list args) +{ + warnx(fmt, args); + exit(eval); +} + +static __attribute__((noreturn, unused)) +void err(int eval, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + verr(eval, fmt, args); + va_end(args); +} + +static __attribute__((noreturn, unused)) +void errx(int eval, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + verrx(eval, fmt, args); + va_end(args); +} + +#endif /* _NOLIBC_ERR_H */ -- cgit v1.3.1