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author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-17 22:31:11 +0100 |
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committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-31 01:05:27 +0100 |
commit | cd1db8df7431edd2210ed0123e2e09b9b6d1e621 (patch) | |
tree | 60c47bd7abcc7618a589655f60f6bdb79916cbca /include | |
parent | 24aed6bcb6b6d266149591f955c2460c28759eb4 (diff) | |
download | qemu-cd1db8df7431edd2210ed0123e2e09b9b6d1e621.zip qemu-cd1db8df7431edd2210ed0123e2e09b9b6d1e621.tar.gz qemu-cd1db8df7431edd2210ed0123e2e09b9b6d1e621.tar.bz2 |
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.h | 6 | ||||
-rw-r--r-- | include/hw/ppc/spapr_vio.h | 6 | ||||
-rw-r--r-- | include/sysemu/dma.h | 25 |
3 files changed, 21 insertions, 16 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 0613308..8c5f2ed 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 d2ec9b0..7eae1a4 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 895044d..b3faef4 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, |