From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45457) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZtPZn-0002LV-Ix for qemu-devel@nongnu.org; Mon, 02 Nov 2015 19:35:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZtPZk-0003EZ-Br for qemu-devel@nongnu.org; Mon, 02 Nov 2015 19:35:51 -0500 Received: from relay-04.andrew.cmu.edu ([128.2.105.169]:45587 helo=relay.andrew.cmu.edu) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZtPZk-0003E2-6Q for qemu-devel@nongnu.org; Mon, 02 Nov 2015 19:35:48 -0500 From: "Gabriel L. Somlo" Date: Mon, 2 Nov 2015 19:35:43 -0500 Message-Id: <1446510945-18477-4-git-send-email-somlo@cmu.edu> In-Reply-To: <1446510945-18477-1-git-send-email-somlo@cmu.edu> References: <1446510945-18477-1-git-send-email-somlo@cmu.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v3 3/5] fw_cfg: remove offset argument from callback prototype List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, jordan.l.justen@intel.com, kraxel@redhat.com, pbonzini@redhat.com, markmb@redhat.com, lersek@redhat.com Read callbacks are now only invoked at item selection, before any data is read. As such, the value of the offset argument passed to the callback will always be 0. Also, the two callback instances currently in use both leave their offset argument unused. This patch removes the offset argument from the fw_cfg read callback prototype, and from the currently available instances. The unused (write) callback prototype is also removed (write support was removed earlier, in commit 023e3148). Cc: Laszlo Ersek Cc: Gerd Hoffmann Cc: Marc Mar=C3=AD Signed-off-by: Gabriel Somlo Reviewed-by: Laszlo Ersek --- hw/arm/virt-acpi-build.c | 2 +- hw/i386/acpi-build.c | 2 +- hw/nvram/fw_cfg.c | 2 +- include/hw/nvram/fw_cfg.h | 3 +-- 4 files changed, 4 insertions(+), 5 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 1aaff1f..4eed24d 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -626,7 +626,7 @@ static void acpi_ram_update(MemoryRegion *mr, GArray = *data) memory_region_set_dirty(mr, 0, size); } =20 -static void virt_acpi_build_update(void *build_opaque, uint32_t offset) +static void virt_acpi_build_update(void *build_opaque) { AcpiBuildState *build_state =3D build_opaque; AcpiBuildTables tables; diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 95e0c65..29e30ce 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1818,7 +1818,7 @@ static void acpi_ram_update(MemoryRegion *mr, GArra= y *data) memory_region_set_dirty(mr, 0, size); } =20 -static void acpi_build_update(void *build_opaque, uint32_t offset) +static void acpi_build_update(void *build_opaque) { AcpiBuildState *build_state =3D build_opaque; AcpiBuildTables tables; diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 6e6414b..c2d3a0a 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -266,7 +266,7 @@ static int fw_cfg_select(FWCfgState *s, uint16_t key) arch =3D !!(key & FW_CFG_ARCH_LOCAL); e =3D &s->entries[arch][key & FW_CFG_ENTRY_MASK]; if (e->read_callback) { - e->read_callback(e->callback_opaque, s->cur_offset); + e->read_callback(e->callback_opaque); } } =20 diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h index a1cfaa4..664eaf6 100644 --- a/include/hw/nvram/fw_cfg.h +++ b/include/hw/nvram/fw_cfg.h @@ -70,8 +70,7 @@ typedef struct FWCfgDmaAccess { uint64_t address; } QEMU_PACKED FWCfgDmaAccess; =20 -typedef void (*FWCfgCallback)(void *opaque, uint8_t *data); -typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset); +typedef void (*FWCfgReadCallback)(void *opaque); =20 /** * fw_cfg_add_bytes: --=20 2.4.3