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authorPeter Maydell <peter.maydell@linaro.org>2015-10-20 11:45:23 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-10-20 11:45:23 +0100
commitdf8197836844275ef805c9031008eb3b20a89b83 (patch)
tree2b44346f27a01ca6bc6216dc84d5e03c30cc7148 /include
parentc14e42d7a4495ecbad7bf8b3d603272e3a8992a1 (diff)
parent2cc06a8843ace3d03464032eb3c74bc6e2b07579 (diff)
Merge remote-tracking branch 'remotes/kraxel/tags/pull-fw_cfg-20151020-1' into staging
fw_cfg: add dma interface, add strings via cmdline. # gpg: Signature made Tue 20 Oct 2015 07:07:34 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-fw_cfg-20151020-1: fw_cfg: Define a static signature to be returned on DMA port reads Enable fw_cfg DMA interface for x86 Enable fw_cfg DMA interface for ARM Implement fw_cfg DMA interface fw_cfg DMA interface documentation fw_cfg: document fw_cfg_modify_iXX() update functions fw_cfg: insert string blobs via qemu cmdline Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/hw/nvram/fw_cfg.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h
index e60d3ca212..ee0cd8adb3 100644
--- a/include/hw/nvram/fw_cfg.h
+++ b/include/hw/nvram/fw_cfg.h
@@ -61,6 +61,15 @@ typedef struct FWCfgFiles {
FWCfgFile f[];
} FWCfgFiles;
+/* Control as first field allows for different structures selected by this
+ * field, which might be useful in the future
+ */
+typedef struct FWCfgDmaAccess {
+ uint32_t control;
+ uint32_t length;
+ uint64_t address;
+} QEMU_PACKED FWCfgDmaAccess;
+
typedef void (*FWCfgCallback)(void *opaque, uint8_t *data);
typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset);
@@ -77,10 +86,13 @@ void fw_cfg_add_file_callback(FWCfgState *s, const char *filename,
void *data, size_t len);
void *fw_cfg_modify_file(FWCfgState *s, const char *filename, void *data,
size_t len);
+FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
+ AddressSpace *dma_as);
FWCfgState *fw_cfg_init_io(uint32_t iobase);
FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr);
-FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, hwaddr data_addr,
- uint32_t data_width);
+FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr,
+ hwaddr data_addr, uint32_t data_width,
+ hwaddr dma_addr, AddressSpace *dma_as);
FWCfgState *fw_cfg_find(void);