From f32fcbedbe9290565e4eac3fd7c4c451d5478787 Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Wed, 6 Dec 2023 08:36:57 +0100 Subject: tty: hvc: convert to u8 and size_t Switch character types to u8 and sizes to size_t. To conform to characters/sizes in the rest of the tty layer. Signed-off-by: "Jiri Slaby (SUSE)" Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Christophe Leroy Cc: Amit Shah Cc: Arnd Bergmann Cc: Paul Walmsley Cc: Palmer Dabbelt Cc: Albert Ou Cc: linuxppc-dev@lists.ozlabs.org Cc: virtualization@lists.linux.dev Cc: linux-riscv@lists.infradead.org Link: https://lore.kernel.org/r/20231206073712.17776-13-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/include/asm/hvconsole.h | 4 ++-- arch/powerpc/include/asm/hvsi.h | 18 ++++++++++-------- arch/powerpc/include/asm/opal.h | 8 +++++--- arch/powerpc/platforms/powernv/opal.c | 14 ++++++++------ arch/powerpc/platforms/pseries/hvconsole.c | 4 ++-- 5 files changed, 27 insertions(+), 21 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/include/asm/hvconsole.h b/arch/powerpc/include/asm/hvconsole.h index ccb2034506f0..d841a97010a0 100644 --- a/arch/powerpc/include/asm/hvconsole.h +++ b/arch/powerpc/include/asm/hvconsole.h @@ -21,8 +21,8 @@ * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count' * parm is included to conform to put_chars() function pointer template */ -extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); -extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); +extern ssize_t hvc_get_chars(uint32_t vtermno, u8 *buf, size_t count); +extern ssize_t hvc_put_chars(uint32_t vtermno, const u8 *buf, size_t count); /* Provided by HVC VIO */ void hvc_vio_init_early(void); diff --git a/arch/powerpc/include/asm/hvsi.h b/arch/powerpc/include/asm/hvsi.h index 464a7519ed64..9058edcb632b 100644 --- a/arch/powerpc/include/asm/hvsi.h +++ b/arch/powerpc/include/asm/hvsi.h @@ -64,7 +64,7 @@ struct hvsi_priv { unsigned int inbuf_len; /* data in input buffer */ unsigned char inbuf[HVSI_INBUF_SIZE]; unsigned int inbuf_cur; /* Cursor in input buffer */ - unsigned int inbuf_pktlen; /* packet length from cursor */ + size_t inbuf_pktlen; /* packet length from cursor */ atomic_t seqno; /* packet sequence number */ unsigned int opened:1; /* driver opened */ unsigned int established:1; /* protocol established */ @@ -72,24 +72,26 @@ struct hvsi_priv { unsigned int mctrl_update:1; /* modem control updated */ unsigned short mctrl; /* modem control */ struct tty_struct *tty; /* tty structure */ - int (*get_chars)(uint32_t termno, char *buf, int count); - int (*put_chars)(uint32_t termno, const char *buf, int count); + ssize_t (*get_chars)(uint32_t termno, u8 *buf, size_t count); + ssize_t (*put_chars)(uint32_t termno, const u8 *buf, size_t count); uint32_t termno; }; /* hvsi lib functions */ struct hvc_struct; extern void hvsilib_init(struct hvsi_priv *pv, - int (*get_chars)(uint32_t termno, char *buf, int count), - int (*put_chars)(uint32_t termno, const char *buf, - int count), + ssize_t (*get_chars)(uint32_t termno, u8 *buf, + size_t count), + ssize_t (*put_chars)(uint32_t termno, const u8 *buf, + size_t count), int termno, int is_console); extern int hvsilib_open(struct hvsi_priv *pv, struct hvc_struct *hp); extern void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp); extern int hvsilib_read_mctrl(struct hvsi_priv *pv); extern int hvsilib_write_mctrl(struct hvsi_priv *pv, int dtr); extern void hvsilib_establish(struct hvsi_priv *pv); -extern int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count); -extern int hvsilib_put_chars(struct hvsi_priv *pv, const char *buf, int count); +extern ssize_t hvsilib_get_chars(struct hvsi_priv *pv, u8 *buf, size_t count); +extern ssize_t hvsilib_put_chars(struct hvsi_priv *pv, const u8 *buf, + size_t count); #endif /* _HVSI_H */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index b66b0c615f4f..af304e6cb486 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -313,9 +313,11 @@ extern int early_init_dt_scan_recoverable_ranges(unsigned long node, const char *uname, int depth, void *data); void __init opal_configure_cores(void); -extern int opal_get_chars(uint32_t vtermno, char *buf, int count); -extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len); -extern int opal_put_chars_atomic(uint32_t vtermno, const char *buf, int total_len); +extern ssize_t opal_get_chars(uint32_t vtermno, u8 *buf, size_t count); +extern ssize_t opal_put_chars(uint32_t vtermno, const u8 *buf, + size_t total_len); +extern ssize_t opal_put_chars_atomic(uint32_t vtermno, const u8 *buf, + size_t total_len); extern int opal_flush_chars(uint32_t vtermno, bool wait); extern int opal_flush_console(uint32_t vtermno); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index cdf3838f08d3..45dd77e3ccf6 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -424,7 +424,7 @@ static int __init opal_message_init(struct device_node *opal_node) return 0; } -int opal_get_chars(uint32_t vtermno, char *buf, int count) +ssize_t opal_get_chars(uint32_t vtermno, u8 *buf, size_t count) { s64 rc; __be64 evt, len; @@ -441,10 +441,11 @@ int opal_get_chars(uint32_t vtermno, char *buf, int count) return 0; } -static int __opal_put_chars(uint32_t vtermno, const char *data, int total_len, bool atomic) +static ssize_t __opal_put_chars(uint32_t vtermno, const u8 *data, + size_t total_len, bool atomic) { unsigned long flags = 0 /* shut up gcc */; - int written; + ssize_t written; __be64 olen; s64 rc; @@ -484,7 +485,7 @@ static int __opal_put_chars(uint32_t vtermno, const char *data, int total_len, b if (atomic) { /* Should not happen */ pr_warn("atomic console write returned partial " - "len=%d written=%d\n", total_len, written); + "len=%zu written=%zd\n", total_len, written); } if (!written) written = -EAGAIN; @@ -497,7 +498,7 @@ out: return written; } -int opal_put_chars(uint32_t vtermno, const char *data, int total_len) +ssize_t opal_put_chars(uint32_t vtermno, const u8 *data, size_t total_len) { return __opal_put_chars(vtermno, data, total_len, false); } @@ -508,7 +509,8 @@ int opal_put_chars(uint32_t vtermno, const char *data, int total_len) * true at the moment because console space can race with OPAL's console * writes. */ -int opal_put_chars_atomic(uint32_t vtermno, const char *data, int total_len) +ssize_t opal_put_chars_atomic(uint32_t vtermno, const u8 *data, + size_t total_len) { return __opal_put_chars(vtermno, data, total_len, true); } diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c index 1ac52963e08b..8803c947998e 100644 --- a/arch/powerpc/platforms/pseries/hvconsole.c +++ b/arch/powerpc/platforms/pseries/hvconsole.c @@ -25,7 +25,7 @@ * firmware. * @count: not used? */ -int hvc_get_chars(uint32_t vtermno, char *buf, int count) +ssize_t hvc_get_chars(uint32_t vtermno, u8 *buf, size_t count) { long ret; unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; @@ -52,7 +52,7 @@ EXPORT_SYMBOL(hvc_get_chars); * firmware. Must be at least 16 bytes, even if count is less than 16. * @count: Send this number of characters. */ -int hvc_put_chars(uint32_t vtermno, const char *buf, int count) +ssize_t hvc_put_chars(uint32_t vtermno, const u8 *buf, size_t count) { unsigned long *lbuf = (unsigned long *) buf; long ret; -- cgit v1.2.3