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[Qemu-devel] [PULL 24/40] spapr: add rtas_st_buffer_direct() helper
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PULL 24/40] spapr: add rtas_st_buffer_direct() helper |
Date: |
Wed, 3 Jun 2015 23:45:25 +0200 |
From: Michael Roth <address@hidden>
This is similar to the existing rtas_st_buffer(), but for cases
where the guest is not expecting a length-encoded byte array.
Namely, for calls where a "work area" buffer is used to pass
around arbitrary fields/data.
Signed-off-by: Michael Roth <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Signed-off-by: David Gibson <address@hidden>
Signed-off-by: Alexander Graf <address@hidden>
---
include/hw/ppc/spapr.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 8810911..65ef7dd 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -464,6 +464,13 @@ static inline void rtas_st(target_ulong phys, int n,
uint32_t val)
stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
}
+static inline void rtas_st_buffer_direct(target_ulong phys,
+ target_ulong phys_len,
+ uint8_t *buffer, uint16_t buffer_len)
+{
+ cpu_physical_memory_write(ppc64_phys_to_real(phys), buffer,
+ MIN(buffer_len, phys_len));
+}
static inline void rtas_st_buffer(target_ulong phys, target_ulong phys_len,
uint8_t *buffer, uint16_t buffer_len)
@@ -473,8 +480,7 @@ static inline void rtas_st_buffer(target_ulong phys,
target_ulong phys_len,
}
stw_be_phys(&address_space_memory,
ppc64_phys_to_real(phys), buffer_len);
- cpu_physical_memory_write(ppc64_phys_to_real(phys + 2),
- buffer, MIN(buffer_len, phys_len - 2));
+ rtas_st_buffer_direct(phys + 2, phys_len - 2, buffer, buffer_len);
}
typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPREnvironment *spapr,
--
1.8.1.4
- Re: [Qemu-devel] [PULL 01/40] macio: Convert to realize(), (continued)
- [Qemu-devel] [PULL 10/40] spapr_iommu: Add separate trace points for PCI DMA operations, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 23/40] spapr_rtas: add get-sensor-state RTAS interface, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 31/40] pci: make pci_bar useable outside pci.c, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 05/40] spapr_iommu: Disable in-kernel IOMMU tables for >4GB windows, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 33/40] spapr_pci: emit hotplug add/remove events during hotplug, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 04/40] spapr_pci: Fix unsafe signed/unsigned comparisons, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 30/40] spapr_pci: create DRConnectors for each PCI slot during PHB realize, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 15/40] hw/ppc/spapr_iommu: Fix the check for invalid upper bits in liobn, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 24/40] spapr: add rtas_st_buffer_direct() helper,
Alexander Graf <=
- [Qemu-devel] [PULL 12/40] spapr_iommu: Make spapr_tce_find_by_liobn() public, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 08/40] spapr_vio: Introduce a liobn number generating macros, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 06/40] spapr_iommu: Make H_PUT_TCE_INDIRECT endian-safe, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 09/40] spapr_pci: Define default DMA window size as a macro, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 07/40] spapr_pci: Introduce a liobn number generating macros, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 18/40] hw/ppc/spapr: Use error_report() instead of hw_error(), Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 14/40] spapr_iommu: Give unique QOM name to TCE table, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 16/40] pseries: Add pseries-2.4 machine type, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 13/40] spapr_pci: Rework device-tree rendering, Alexander Graf, 2015/06/03
- [Qemu-devel] [PULL 38/40] tci: do not use CPUArchState in tcg-target.h, Alexander Graf, 2015/06/03