diff options
Diffstat (limited to 'hw/ide/internal.h')
| -rw-r--r-- | hw/ide/internal.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/hw/ide/internal.h b/hw/ide/internal.h index 86bde26551..d2c458f579 100644 --- a/hw/ide/internal.h +++ b/hw/ide/internal.h @@ -338,6 +338,7 @@ enum ide_dma_cmd { IDE_DMA_READ, IDE_DMA_WRITE, IDE_DMA_TRIM, + IDE_DMA_ATAPI, }; #define ide_cmd_is_read(s) \ @@ -506,13 +507,45 @@ struct IDEDevice { }; /* These are used for the error_status field of IDEBus */ +#define IDE_RETRY_MASK 0xf8 #define IDE_RETRY_DMA 0x08 #define IDE_RETRY_PIO 0x10 +#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */ #define IDE_RETRY_READ 0x20 #define IDE_RETRY_FLUSH 0x40 #define IDE_RETRY_TRIM 0x80 #define IDE_RETRY_HBA 0x100 +#define IS_IDE_RETRY_DMA(_status) \ + ((_status) & IDE_RETRY_DMA) + +#define IS_IDE_RETRY_PIO(_status) \ + ((_status) & IDE_RETRY_PIO) + +/* + * The method of the IDE_RETRY_ATAPI determination is to use a previously + * impossible bit combination as a new status value. + */ +#define IS_IDE_RETRY_ATAPI(_status) \ + (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI) + +static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd) +{ + switch (dma_cmd) { + case IDE_DMA_READ: + return IDE_RETRY_DMA | IDE_RETRY_READ; + case IDE_DMA_WRITE: + return IDE_RETRY_DMA; + case IDE_DMA_TRIM: + return IDE_RETRY_DMA | IDE_RETRY_TRIM; + case IDE_DMA_ATAPI: + return IDE_RETRY_ATAPI; + default: + break; + } + return 0; +} + static inline IDEState *idebus_active_if(IDEBus *bus) { return bus->ifs + bus->unit; @@ -597,4 +630,6 @@ void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev, int bus_id, int max_units); IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); +int ide_handle_rw_error(IDEState *s, int error, int op); + #endif /* HW_IDE_INTERNAL_H */ |