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libqos/ahci: Add ide cmd properties
Add a structure that defines some properties of various IDE commands. These will be used to simplify the interface to the libqos AHCI calls, lessening the redundancy of specifying and respecifying properties of commands to various helper functions. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1423158090-25580-12-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -34,6 +34,45 @@
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#include "hw/pci/pci_ids.h"
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#include "hw/pci/pci_regs.h"
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typedef struct AHCICommandProp {
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uint8_t cmd; /* Command Code */
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bool data; /* Data transfer command? */
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bool pio;
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bool dma;
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bool lba28;
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bool lba48;
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bool read;
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bool write;
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bool atapi;
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bool ncq;
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uint64_t size; /* Static transfer size, for commands like IDENTIFY. */
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uint32_t interrupts; /* Expected interrupts for this command. */
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} AHCICommandProp;
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AHCICommandProp ahci_command_properties[] = {
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{ .cmd = CMD_READ_PIO, .data = true, .pio = true,
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.lba28 = true, .read = true },
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{ .cmd = CMD_WRITE_PIO, .data = true, .pio = true,
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.lba28 = true, .write = true },
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{ .cmd = CMD_READ_PIO_EXT, .data = true, .pio = true,
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.lba48 = true, .read = true },
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{ .cmd = CMD_WRITE_PIO_EXT, .data = true, .pio = true,
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.lba48 = true, .write = true },
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{ .cmd = CMD_READ_DMA, .data = true, .dma = true,
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.lba28 = true, .read = true },
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{ .cmd = CMD_WRITE_DMA, .data = true, .dma = true,
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.lba28 = true, .write = true },
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{ .cmd = CMD_READ_DMA_EXT, .data = true, .dma = true,
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.lba48 = true, .read = true },
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{ .cmd = CMD_WRITE_DMA_EXT, .data = true, .dma = true,
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.lba48 = true, .write = true },
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{ .cmd = CMD_IDENTIFY, .data = true, .pio = true,
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.size = 512, .read = true },
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{ .cmd = CMD_READ_MAX, .lba28 = true },
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{ .cmd = CMD_READ_MAX_EXT, .lba48 = true },
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{ .cmd = CMD_FLUSH_CACHE, .data = false }
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};
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/**
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* Allocate space in the guest using information in the AHCIQState object.
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*/
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