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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2021-12-17 22:31:11 +0100
committerPhilippe Mathieu-Daudé <philmd@redhat.com>2021-12-31 01:05:27 +0100
commitcd1db8df7431edd2210ed0123e2e09b9b6d1e621 (patch)
tree60c47bd7abcc7618a589655f60f6bdb79916cbca /include
parent24aed6bcb6b6d266149591f955c2460c28759eb4 (diff)
dma: Let ld*_dma() propagate MemTxResult
dma_memory_read() returns a MemTxResult type. Do not discard it, return it to the caller. Update the few callers. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20211223115554.3155328-19-philmd@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/hw/pci/pci.h6
-rw-r--r--include/hw/ppc/spapr_vio.h6
-rw-r--r--include/sysemu/dma.h25
3 files changed, 21 insertions, 16 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 0613308b1b..8c5f2ed505 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 d2ec9b0637..7eae1a4847 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 895044d747..b3faef41b2 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,