From: Jason Chien <jason.chien@sifive.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <alistair.francis@wdc.com>,
Weiwei Li <liwei1518@gmail.com>,
Daniel Henrique Barboza <dbarboza@ventanamicro.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
Jason Chien <jason.chien@sifive.com>
Subject: [PATCH 1/3] include/hw/pci: Attach BDF to Memory Attributes
Date: Sun, 2 Mar 2025 17:12:07 +0800 [thread overview]
Message-ID: <20250302091209.20063-2-jason.chien@sifive.com> (raw)
In-Reply-To: <20250302091209.20063-1-jason.chien@sifive.com>
This commit adds the BDF to the memory attributes for DMA operations.
Signed-off-by: Jason Chien <jason.chien@sifive.com>
---
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,
--
2.43.2
next prev parent reply other threads:[~2025-03-02 9:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-02 9:12 [PATCH 0/3] Enhancing Device Identification in RISC-V IOMMU Using Memory Attributes Jason Chien
2025-03-02 9:12 ` Jason Chien [this message]
2025-03-07 12:39 ` [PATCH 1/3] include/hw/pci: Attach BDF to " Daniel Henrique Barboza
2025-03-12 16:59 ` Jason Chien
2025-03-19 16:40 ` Jason Chien
2025-04-14 15:10 ` Jason Chien
2025-04-14 15:28 ` Michael S. Tsirkin
2025-04-24 7:57 ` Jason Chien
2025-03-02 9:12 ` [PATCH 2/3] hw/riscv/riscv-iommu: Obtain Device IDs from " Jason Chien
2025-03-07 12:35 ` Daniel Henrique Barboza
2025-03-02 9:12 ` [PATCH 3/3] hw/riscv/riscv_iommu: Remove the "bus" property Jason Chien
2025-03-07 12:36 ` Daniel Henrique Barboza
2025-04-04 1:43 ` Alistair Francis
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