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Tsirkin" , Marcel Apfelbaum , Jason Chien Subject: [PATCH 1/3] include/hw/pci: Attach BDF to Memory Attributes Date: Sun, 2 Mar 2025 17:12:07 +0800 Message-ID: <20250302091209.20063-2-jason.chien@sifive.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20250302091209.20063-1-jason.chien@sifive.com> References: <20250302091209.20063-1-jason.chien@sifive.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=jason.chien@sifive.com; helo=mail-pl1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit adds the BDF to the memory attributes for DMA operations. Signed-off-by: Jason Chien --- include/hw/pci/pci_device.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/hw/pci/pci_device.h b/include/hw/pci/pci_device.h index add208edfa..968f1ba3e9 100644 --- a/include/hw/pci/pci_device.h +++ b/include/hw/pci/pci_device.h @@ -244,6 +244,8 @@ static inline MemTxResult pci_dma_rw(PCIDevice *dev, dma_addr_t addr, void *buf, dma_addr_t len, DMADirection dir, MemTxAttrs attrs) { + attrs.unspecified = 0; + attrs.requester_id = pci_requester_id(dev); return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir, attrs); } @@ -292,6 +294,8 @@ static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr, uint##_bits##_t *val, \ MemTxAttrs attrs) \ { \ + attrs.unspecified = 0; \ + attrs.requester_id = pci_requester_id(dev); \ return ld##_l##_dma(pci_get_address_space(dev), addr, val, attrs); \ } \ static inline MemTxResult st##_s##_pci_dma(PCIDevice *dev, \ @@ -299,6 +303,8 @@ static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr, uint##_bits##_t val, \ MemTxAttrs attrs) \ { \ + attrs.unspecified = 0; \ + attrs.requester_id = pci_requester_id(dev); \ return st##_s##_dma(pci_get_address_space(dev), addr, val, attrs); \ } @@ -327,8 +333,8 @@ PCI_DMA_DEFINE_LDST(q_be, q_be, 64); static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t *plen, DMADirection dir) { - return dma_memory_map(pci_get_address_space(dev), addr, plen, dir, - MEMTXATTRS_UNSPECIFIED); + MemTxAttrs attrs = {.requester_id = pci_requester_id(dev)}; + return dma_memory_map(pci_get_address_space(dev), addr, plen, dir, attrs); } static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len,