computing-offload/generic_vdpa/qemu/pci-Let-pci_dma_rw-take-MemTxAttrs-argument.patch
jiangdongxu 79c4324644 add generic_vdpa basecode
Change-Id: I2d302dda68298877c65c99147f5bf22186a59aac
2024-09-19 17:19:46 +08:00

89 lines
3.5 KiB
Diff

From de60977c6a41b6de65e74918024c150e44311940 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@redhat.com>
Date: Wed, 15 Dec 2021 22:18:19 +0100
Subject: [PATCH 10/25] pci: Let pci_dma_rw() take MemTxAttrs argument
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Let devices specify transaction attributes when calling pci_dma_rw().
Keep the default MEMTXATTRS_UNSPECIFIED in the few callers.
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211223115554.3155328-10-philmd@redhat.com>
---
hw/audio/intel-hda.c | 3 ++-
hw/scsi/esp-pci.c | 2 +-
include/hw/pci/pci.h | 10 ++++++----
3 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index 8ce9df64e3..fb3d34a4a0 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -427,7 +427,8 @@ static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
st->be, st->bp, st->bpl[st->be].len, copy);
- pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
+ pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output,
+ MEMTXATTRS_UNSPECIFIED);
st->lpib += copy;
st->bp += copy;
buf += copy;
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index dac054aeed..1792f84cea 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -280,7 +280,7 @@ static void esp_pci_dma_memory_rw(PCIESPState *pci, uint8_t *buf, int len,
len = pci->dma_regs[DMA_WBC];
}
- pci_dma_rw(PCI_DEVICE(pci), addr, buf, len, dir);
+ pci_dma_rw(PCI_DEVICE(pci), addr, buf, len, dir, MEMTXATTRS_UNSPECIFIED);
/* update status registers */
pci->dma_regs[DMA_WBC] -= len;
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index c3d5e06364..c7177646a4 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -821,10 +821,10 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev)
*/
static inline MemTxResult pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
void *buf, dma_addr_t len,
- DMADirection dir)
+ DMADirection dir, MemTxAttrs attrs)
{
return dma_memory_rw(pci_get_address_space(dev), addr, buf, len,
- dir, MEMTXATTRS_UNSPECIFIED);
+ dir, attrs);
}
/**
@@ -842,7 +842,8 @@ static inline MemTxResult pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
static inline MemTxResult pci_dma_read(PCIDevice *dev, dma_addr_t addr,
void *buf, dma_addr_t len)
{
- return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
+ return pci_dma_rw(dev, addr, buf, len,
+ DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED);
}
/**
@@ -860,7 +861,8 @@ static inline MemTxResult pci_dma_read(PCIDevice *dev, dma_addr_t addr,
static inline MemTxResult pci_dma_write(PCIDevice *dev, dma_addr_t addr,
const void *buf, dma_addr_t len)
{
- return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE);
+ return pci_dma_rw(dev, addr, (void *) buf, len,
+ DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED);
}
#define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \
--
2.27.0