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[83.50.185.174]) by smtp.gmail.com with ESMTPSA id s189sm11843684wme.0.2021.12.18.06.51.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Dec 2021 06:51:18 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/4] dma: Let st*_dma() take MemTxAttrs argument Date: Sat, 18 Dec 2021 15:51:08 +0100 Message-Id: <20211218145111.1540114-2-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211218145111.1540114-1-philmd@redhat.com> References: <20211218145111.1540114-1-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 Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.718, 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: Daniel Henrique Barboza , "Michael S. Tsirkin" , David Hildenbrand , Li Qiang , Qiuhao Li , Peter Xu , Greg Kurz , Alexander Bulekov , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dr?= =?utf-8?q?ic_Le_Goater?= , Paolo Bonzini , David Gibson , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling st*_dma(). Keep the default MEMTXATTRS_UNSPECIFIED in the few callers. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Cédric Le Goater --- include/hw/pci/pci.h | 3 ++- include/hw/ppc/spapr_vio.h | 12 ++++++++---- include/sysemu/dma.h | 10 ++++++---- hw/nvram/fw_cfg.c | 4 ++-- 4 files changed, 18 insertions(+), 11 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index a751ab5a75d..d07e9707b48 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -859,7 +859,8 @@ static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr, static inline void st##_s##_pci_dma(PCIDevice *dev, \ dma_addr_t addr, uint##_bits##_t val) \ { \ - st##_s##_dma(pci_get_address_space(dev), addr, val); \ + st##_s##_dma(pci_get_address_space(dev), addr, val, \ + MEMTXATTRS_UNSPECIFIED); \ } PCI_DMA_DEFINE_LDST(ub, b, 8); diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h index 5d2ea8e6656..e87f8e6f596 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -118,10 +118,14 @@ static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr, H_DEST_PARM : H_SUCCESS; } -#define vio_stb(_dev, _addr, _val) (stb_dma(&(_dev)->as, (_addr), (_val))) -#define vio_sth(_dev, _addr, _val) (stw_be_dma(&(_dev)->as, (_addr), (_val))) -#define vio_stl(_dev, _addr, _val) (stl_be_dma(&(_dev)->as, (_addr), (_val))) -#define vio_stq(_dev, _addr, _val) (stq_be_dma(&(_dev)->as, (_addr), (_val))) +#define vio_stb(_dev, _addr, _val) \ + (stb_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED)) +#define vio_sth(_dev, _addr, _val) \ + (stw_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED)) +#define vio_stl(_dev, _addr, _val) \ + (stl_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED)) +#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))) int spapr_vio_send_crq(SpaprVioDevice *dev, uint8_t *crq); diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 9f998edbea4..2a60d2c5d61 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -250,10 +250,11 @@ static inline void dma_memory_unmap(AddressSpace *as, } \ static inline void st##_sname##_##_end##_dma(AddressSpace *as, \ dma_addr_t addr, \ - uint##_bits##_t val) \ + uint##_bits##_t val, \ + MemTxAttrs attrs) \ { \ val = cpu_to_##_end##_bits(val); \ - dma_memory_write(as, addr, &val, (_bits) / 8, MEMTXATTRS_UNSPECIFIED); \ + dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ } static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr) @@ -264,9 +265,10 @@ static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr) return val; } -static inline void stb_dma(AddressSpace *as, dma_addr_t addr, uint8_t val) +static inline void stb_dma(AddressSpace *as, dma_addr_t addr, + uint8_t val, MemTxAttrs attrs) { - dma_memory_write(as, addr, &val, 1, MEMTXATTRS_UNSPECIFIED); + dma_memory_write(as, addr, &val, 1, attrs); } DEFINE_LDST_DMA(uw, w, 16, le); diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 9b91b15cb08..e5f3c981841 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -360,7 +360,7 @@ static void fw_cfg_dma_transfer(FWCfgState *s) if (dma_memory_read(s->dma_as, dma_addr, &dma, sizeof(dma), MEMTXATTRS_UNSPECIFIED)) { stl_be_dma(s->dma_as, dma_addr + offsetof(FWCfgDmaAccess, control), - FW_CFG_DMA_CTL_ERROR); + FW_CFG_DMA_CTL_ERROR, MEMTXATTRS_UNSPECIFIED); return; } @@ -446,7 +446,7 @@ static void fw_cfg_dma_transfer(FWCfgState *s) } stl_be_dma(s->dma_as, dma_addr + offsetof(FWCfgDmaAccess, control), - dma.control); + dma.control, MEMTXATTRS_UNSPECIFIED); trace_fw_cfg_read(s, 0); } From patchwork Sat Dec 18 14:51:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 1570521 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=LF+DQuB6; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; 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[83.50.185.174]) by smtp.gmail.com with ESMTPSA id t8sm13573464wmq.32.2021.12.18.06.51.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Dec 2021 06:51:22 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/4] dma: Let ld*_dma() take MemTxAttrs argument Date: Sat, 18 Dec 2021 15:51:09 +0100 Message-Id: <20211218145111.1540114-3-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211218145111.1540114-1-philmd@redhat.com> References: <20211218145111.1540114-1-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 Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.718, 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=ham 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: Daniel Henrique Barboza , "Michael S. Tsirkin" , David Hildenbrand , Li Qiang , Qiuhao Li , Peter Xu , Greg Kurz , Alexander Bulekov , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dr?= =?utf-8?q?ic_Le_Goater?= , Paolo Bonzini , David Gibson , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let devices specify transaction attributes when calling ld*_dma(). Keep the default MEMTXATTRS_UNSPECIFIED in the few callers. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Cédric Le Goater --- include/hw/pci/pci.h | 3 ++- include/hw/ppc/spapr_vio.h | 3 ++- include/sysemu/dma.h | 11 ++++++----- hw/intc/pnv_xive.c | 7 ++++--- hw/usb/hcd-xhci.c | 6 +++--- 5 files changed, 17 insertions(+), 13 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index d07e9707b48..0613308b1b6 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -854,7 +854,8 @@ 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); \ + return ld##_l##_dma(pci_get_address_space(dev), addr, \ + MEMTXATTRS_UNSPECIFIED); \ } \ 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 e87f8e6f596..d2ec9b0637f 100644 --- a/include/hw/ppc/spapr_vio.h +++ b/include/hw/ppc/spapr_vio.h @@ -126,7 +126,8 @@ static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr, (stl_be_dma(&(_dev)->as, (_addr), (_val), MEMTXATTRS_UNSPECIFIED)) #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))) +#define vio_ldq(_dev, _addr) \ + (ldq_be_dma(&(_dev)->as, (_addr), MEMTXATTRS_UNSPECIFIED)) int spapr_vio_send_crq(SpaprVioDevice *dev, uint8_t *crq); diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 2a60d2c5d61..b711d390a4f 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -242,10 +242,11 @@ 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) \ + dma_addr_t addr, \ + MemTxAttrs attrs) \ { \ uint##_bits##_t val; \ - dma_memory_read(as, addr, &val, (_bits) / 8, MEMTXATTRS_UNSPECIFIED); \ + dma_memory_read(as, addr, &val, (_bits) / 8, attrs); \ return _end##_bits##_to_cpu(val); \ } \ static inline void st##_sname##_##_end##_dma(AddressSpace *as, \ @@ -254,14 +255,14 @@ static inline void dma_memory_unmap(AddressSpace *as, MemTxAttrs attrs) \ { \ val = cpu_to_##_end##_bits(val); \ - dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ + dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ } -static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr) +static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr, MemTxAttrs attrs) { uint8_t val; - dma_memory_read(as, addr, &val, 1, MEMTXATTRS_UNSPECIFIED); + dma_memory_read(as, addr, &val, 1, attrs); return val; } diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index ad43483612e..d9249bbc0c1 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); + vsd = ldq_be_dma(&address_space_memory, vsd_addr, MEMTXATTRS_UNSPECIFIED); if (!(vsd & VSD_ADDRESS_MASK)) { #ifdef XIVE_DEBUG @@ -195,7 +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); + vsd = ldq_be_dma(&address_space_memory, vsd_addr, + MEMTXATTRS_UNSPECIFIED); if (!(vsd & VSD_ADDRESS_MASK)) { #ifdef XIVE_DEBUG @@ -542,7 +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); + vsd = ldq_be_dma(&address_space_memory, vsd_addr, 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 ed2b9ea456e..d960b814587 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); + poctx = ldq_le_dma(xhci->as, dcbaap + 8 * slotid, MEMTXATTRS_UNSPECIFIED); ictx = xhci_mask64(pictx); octx = xhci_mask64(poctx); @@ -3437,8 +3437,8 @@ 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)); + slot->ctx = xhci_mask64(ldq_le_dma(xhci->as, dcbaap + 8 * slotid, + MEMTXATTRS_UNSPECIFIED)); xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); 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[83.50.185.174]) by smtp.gmail.com with ESMTPSA id o64sm10566299wme.28.2021.12.18.06.51.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Dec 2021 06:51:27 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 3/4] dma: Let st*_dma() propagate MemTxResult Date: Sat, 18 Dec 2021 15:51:10 +0100 Message-Id: <20211218145111.1540114-4-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211218145111.1540114-1-philmd@redhat.com> References: <20211218145111.1540114-1-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 Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.718, 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=ham 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: Daniel Henrique Barboza , "Michael S. Tsirkin" , David Hildenbrand , Li Qiang , Qiuhao Li , Peter Xu , Greg Kurz , Alexander Bulekov , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dr?= =?utf-8?q?ic_Le_Goater?= , Paolo Bonzini , David Gibson , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" dma_memory_write() returns a MemTxResult type. Do not discard it, return it to the caller. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Cédric Le Goater --- include/sysemu/dma.h | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index b711d390a4f..191cf0b271a 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -249,13 +249,13 @@ static inline void dma_memory_unmap(AddressSpace *as, dma_memory_read(as, addr, &val, (_bits) / 8, attrs); \ return _end##_bits##_to_cpu(val); \ } \ - static inline void st##_sname##_##_end##_dma(AddressSpace *as, \ - dma_addr_t addr, \ - uint##_bits##_t val, \ - MemTxAttrs attrs) \ - { \ - val = cpu_to_##_end##_bits(val); \ - dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ + static inline MemTxResult st##_sname##_##_end##_dma(AddressSpace *as, \ + dma_addr_t addr, \ + uint##_bits##_t val, \ + MemTxAttrs attrs) \ + { \ + val = cpu_to_##_end##_bits(val); \ + return dma_memory_write(as, addr, &val, (_bits) / 8, attrs); \ } static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr, MemTxAttrs attrs) @@ -266,10 +266,10 @@ static inline uint8_t ldub_dma(AddressSpace *as, dma_addr_t addr, MemTxAttrs att return val; } -static inline void stb_dma(AddressSpace *as, dma_addr_t addr, - uint8_t val, MemTxAttrs attrs) +static inline MemTxResult stb_dma(AddressSpace *as, dma_addr_t addr, + uint8_t val, MemTxAttrs attrs) { - dma_memory_write(as, addr, &val, 1, attrs); + return dma_memory_write(as, addr, &val, 1, attrs); } DEFINE_LDST_DMA(uw, w, 16, le); From patchwork Sat Dec 18 14:51:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 1570523 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=M+lBSB+h; 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[83.50.185.174]) by smtp.gmail.com with ESMTPSA id b19sm15251052wmb.38.2021.12.18.06.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Dec 2021 06:51:32 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 4/4] dma: Let ld*_dma() propagate MemTxResult Date: Sat, 18 Dec 2021 15:51:11 +0100 Message-Id: <20211218145111.1540114-5-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211218145111.1540114-1-philmd@redhat.com> References: <20211218145111.1540114-1-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 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: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.718, 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=ham 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: Daniel Henrique Barboza , "Michael S. Tsirkin" , David Hildenbrand , Li Qiang , Qiuhao Li , Peter Xu , Greg Kurz , Alexander Bulekov , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dr?= =?utf-8?q?ic_Le_Goater?= , Paolo Bonzini , David Gibson , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.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. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Cédric Le Goater --- 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 191cf0b271a..589f5ba52a2 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -241,14 +241,15 @@ 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, \ @@ -258,12 +259,10 @@ 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) {