From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6CE8CC433F5 for ; Fri, 31 Dec 2021 01:21:30 +0000 (UTC) Received: from localhost ([::1]:39360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n36bp-00085d-En for qemu-devel@archiver.kernel.org; Thu, 30 Dec 2021 20:21:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:40594) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n36EP-0002tU-FJ for qemu-devel@nongnu.org; Thu, 30 Dec 2021 19:57:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:32199) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n36EN-0003ej-F7 for qemu-devel@nongnu.org; Thu, 30 Dec 2021 19:57:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1640912235; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wLEy95INhAWDbLQg6MEe6L4Zh42fLXEnwRSZqGrXmjI=; b=ZiE/Tb2wEs04glP4Z10B+ySriPnHR+QZdKkWxI85VLl/LKXAfxfpqRVTYvz665YfKvbKt8 9ZPXj3ibxTCrxl8e7s+RpUJsHr/PyURUdnsA4PwAJXQ0tzWqtV6uUfJUHCnqWI1/h4rGJu oWWUrccEkD85+YJuenpWUd8+FOvgQSc= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-267-NzxM8uLFMeOIxBX4pKOI6g-1; Thu, 30 Dec 2021 19:57:13 -0500 X-MC-Unique: NzxM8uLFMeOIxBX4pKOI6g-1 Received: by mail-ed1-f71.google.com with SMTP id dm10-20020a05640222ca00b003f808b5aa18so18026671edb.4 for ; Thu, 30 Dec 2021 16:57:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wLEy95INhAWDbLQg6MEe6L4Zh42fLXEnwRSZqGrXmjI=; b=6hRyRHf1dzS/+8yOQpsdg5YND81wtaXaqYYJkaKrpKT9J/D42gOEDAc3BLKr5okFK1 NDlLL5Du9T3ZCwfXLuPOdew4QQ3xlA7WwB4n85f/7h+no5hpfEuiL3NhKye3oGk9lZee 4DsiqUAl2S8qfjjG+qM2kVta/nTPS3afBYEO1qrLwuzONOYPtIcvOOiro26+OEL7qXSe ZphMT7KXXN1CC5CQuEtfgH/TvHcmGW6YjZKmScIQ9CePPq5+vcLuvrAvwgtOSbjse1fv GoRabKWZ2HRhTQldwXk/oQBdoXEf6x8ffsmlW+54v8rr1Lfj02dYE1fArMG5cOaSdnO9 RoYA== X-Gm-Message-State: AOAM533Xn5ktt3UD4Yoem3e8+7VhpsvDV3MbdU4Ljo+LF/fXuY/WY937 5t4PO1QB1eYyRurjMAsnFvxGj1HSfdRXBmKK7PqXlqUxiYi8x+9qXTyH74B/U70cYweNVmvmwhU on7vAI1GQAabV0vmROfk954Ej9ZNlAlW+ivnA1eDhheveTgPkVCFBYeIF8P5NXFWG X-Received: by 2002:aa7:de82:: with SMTP id j2mr14087737edv.389.1640912232502; Thu, 30 Dec 2021 16:57:12 -0800 (PST) X-Google-Smtp-Source: ABdhPJzsoPUXB7i3bz8MVUofJC1s28cruRcGmoMxPP4D0Jc4H58G0jJ4b4cU/NOujxuW7fVQ6q48Wg== X-Received: by 2002:aa7:de82:: with SMTP id j2mr14087722edv.389.1640912232314; Thu, 30 Dec 2021 16:57:12 -0800 (PST) Received: from x1w.redhat.com (26.red-83-50-86.dynamicip.rima-tde.net. [83.50.86.26]) by smtp.gmail.com with ESMTPSA id y22sm7507857eda.49.2021.12.30.16.57.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Dec 2021 16:57:11 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 18/22] dma: Let ld*_dma() propagate MemTxResult Date: Fri, 31 Dec 2021 01:55:42 +0100 Message-Id: <20211231005546.723396-19-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211231005546.723396-1-philmd@redhat.com> References: <20211231005546.723396-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) DKIMWL_WL_HIGH=-0.573, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Cc: Paolo Bonzini , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Peter Maydell Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" dma_memory_read() returns a MemTxResult type. Do not discard it, return it to the caller. Update the few callers. Reviewed-by: Richard Henderson Reviewed-by: Cédric Le Goater Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20211223115554.3155328-19-philmd@redhat.com> --- include/hw/pci/pci.h | 6 ++++-- include/hw/ppc/spapr_vio.h | 6 +++++- include/sysemu/dma.h | 25 ++++++++++++------------- hw/intc/pnv_xive.c | 8 ++++---- hw/usb/hcd-xhci.c | 7 ++++--- 5 files changed, 29 insertions(+), 23 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 0613308b1b6..8c5f2ed5054 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -854,8 +854,10 @@ static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr, static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \ dma_addr_t addr) \ { \ - return ld##_l##_dma(pci_get_address_space(dev), addr, \ - MEMTXATTRS_UNSPECIFIED); \ + uint##_bits##_t val; \ + ld##_l##_dma(pci_get_address_space(dev), addr, &val, \ + MEMTXATTRS_UNSPECIFIED); \ + return val; \ } \ static inline void st##_s##_pci_dma(PCIDevice *dev, \ dma_addr_t addr, uint##_bits##_t val) \ diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h index d2ec9b0637f..7eae1a48478 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -127,7 +127,11 @@ static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr, #define vio_stq(_dev, _addr, _val) \ (stq_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED)) #define vio_ldq(_dev, _addr) \ - (ldq_be_dma(&(_dev)->as, (_addr), MEMTXATTRS_UNSPECIFIED)) + ({ \ + uint64_t _val; \ + ldq_be_dma(&(_dev)->as, (_addr), &_val, MEMTXATTRS_UNSPECIFIED); \ + _val; \ + }) int spapr_vio_send_crq(SpaprVioDevice *dev, uint8_t *crq); diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 895044d747f..b3faef41b2f 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -240,14 +240,15 @@ static inline void dma_memory_unmap(AddressSpace *as, } #define DEFINE_LDST_DMA(_lname, _sname, _bits, _end) \ - static inline uint##_bits##_t ld##_lname##_##_end##_dma(AddressSpace *as, \ - dma_addr_t addr, \ - MemTxAttrs attrs) \ - { \ - uint##_bits##_t val; \ - dma_memory_read(as, addr, &val, (_bits) / 8, attrs); \ - return _end##_bits##_to_cpu(val); \ - } \ + static inline MemTxResult ld##_lname##_##_end##_dma(AddressSpace *as, \ + dma_addr_t addr, \ + uint##_bits##_t *pval, \ + MemTxAttrs attrs) \ + { \ + MemTxResult res = dma_memory_read(as, addr, pval, (_bits) / 8, attrs); \ + _end##_bits##_to_cpus(pval); \ + return res; \ + } \ static inline MemTxResult st##_sname##_##_end##_dma(AddressSpace *as, \ dma_addr_t addr, \ uint##_bits##_t val, \ @@ -257,12 +258,10 @@ static inline void dma_memory_unmap(AddressSpace *as, return dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ } -static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr, MemTxAttrs attrs) +static inline MemTxResult ldub_dma(AddressSpace *as, dma_addr_t addr, + uint8_t *val, MemTxAttrs attrs) { - uint8_t val; - - dma_memory_read(as, addr, &val, 1, attrs); - return val; + return dma_memory_read(as, addr, val, 1, attrs); } static inline MemTxResult stb_dma(AddressSpace *as, dma_addr_t addr, diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index d9249bbc0c1..bb207514f2d 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -172,7 +172,7 @@ static uint64_t pnv_xive_vst_addr_indirect(PnvXive *xive, uint32_t type, /* Get the page size of the indirect table. */ vsd_addr = vsd & VSD_ADDRESS_MASK; - vsd = ldq_be_dma(&address_space_memory, vsd_addr, MEMTXATTRS_UNSPECIFIED); + ldq_be_dma(&address_space_memory, vsd_addr, &vsd, MEMTXATTRS_UNSPECIFIED); if (!(vsd & VSD_ADDRESS_MASK)) { #ifdef XIVE_DEBUG @@ -195,8 +195,8 @@ static uint64_t pnv_xive_vst_addr_indirect(PnvXive *xive, uint32_t type, /* Load the VSD we are looking for, if not already done */ if (vsd_idx) { vsd_addr = vsd_addr + vsd_idx * XIVE_VSD_SIZE; - vsd = ldq_be_dma(&address_space_memory, vsd_addr, - MEMTXATTRS_UNSPECIFIED); + ldq_be_dma(&address_space_memory, vsd_addr, &vsd, + MEMTXATTRS_UNSPECIFIED); if (!(vsd & VSD_ADDRESS_MASK)) { #ifdef XIVE_DEBUG @@ -543,7 +543,7 @@ static uint64_t pnv_xive_vst_per_subpage(PnvXive *xive, uint32_t type) /* Get the page size of the indirect table. */ vsd_addr = vsd & VSD_ADDRESS_MASK; - vsd = ldq_be_dma(&address_space_memory, vsd_addr, MEMTXATTRS_UNSPECIFIED); + ldq_be_dma(&address_space_memory, vsd_addr, &vsd, MEMTXATTRS_UNSPECIFIED); if (!(vsd & VSD_ADDRESS_MASK)) { #ifdef XIVE_DEBUG diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index d960b814587..da5a4072107 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -2062,7 +2062,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, assert(slotid >= 1 && slotid <= xhci->numslots); dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); - poctx = ldq_le_dma(xhci->as, dcbaap + 8 * slotid, MEMTXATTRS_UNSPECIFIED); + ldq_le_dma(xhci->as, dcbaap + 8 * slotid, &poctx, MEMTXATTRS_UNSPECIFIED); ictx = xhci_mask64(pictx); octx = xhci_mask64(poctx); @@ -3429,6 +3429,7 @@ static int usb_xhci_post_load(void *opaque, int version_id) uint32_t slot_ctx[4]; uint32_t ep_ctx[5]; int slotid, epid, state; + uint64_t addr; dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); @@ -3437,8 +3438,8 @@ static int usb_xhci_post_load(void *opaque, int version_id) if (!slot->addressed) { continue; } - slot->ctx = xhci_mask64(ldq_le_dma(xhci->as, dcbaap + 8 * slotid, - MEMTXATTRS_UNSPECIFIED)); + ldq_le_dma(xhci->as, dcbaap + 8 * slotid, &addr, MEMTXATTRS_UNSPECIFIED); + slot->ctx = xhci_mask64(addr); xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); slot->uport = xhci_lookup_uport(xhci, slot_ctx); if (!slot->uport) { -- 2.33.1