diff options
Diffstat (limited to 'qemu/hw/scsi/mptsas.h')
-rw-r--r-- | qemu/hw/scsi/mptsas.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/qemu/hw/scsi/mptsas.h b/qemu/hw/scsi/mptsas.h new file mode 100644 index 000000000..595f81fb5 --- /dev/null +++ b/qemu/hw/scsi/mptsas.h @@ -0,0 +1,100 @@ +#ifndef MPTSAS_H +#define MPTSAS_H + +#include "mpi.h" + +#define MPTSAS_NUM_PORTS 8 +#define MPTSAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */ + +#define MPTSAS_REQUEST_QUEUE_DEPTH 128 +#define MPTSAS_REPLY_QUEUE_DEPTH 128 + +#define MPTSAS_MAXIMUM_CHAIN_DEPTH 0x22 + +typedef struct MPTSASState MPTSASState; +typedef struct MPTSASRequest MPTSASRequest; + +enum { + DOORBELL_NONE, + DOORBELL_WRITE, + DOORBELL_READ +}; + +struct MPTSASState { + PCIDevice dev; + MemoryRegion mmio_io; + MemoryRegion port_io; + MemoryRegion diag_io; + QEMUBH *request_bh; + + uint32_t msi_available; + uint64_t sas_addr; + + bool msi_in_use; + + /* Doorbell register */ + uint32_t state; + uint8_t who_init; + uint8_t doorbell_state; + + /* Buffer for requests that are sent through the doorbell register. */ + uint32_t doorbell_msg[256]; + int doorbell_idx; + int doorbell_cnt; + + uint16_t doorbell_reply[256]; + int doorbell_reply_idx; + int doorbell_reply_size; + + /* Other registers */ + uint8_t diagnostic_idx; + uint32_t diagnostic; + uint32_t intr_mask; + uint32_t intr_status; + + /* Request queues */ + uint32_t request_post[MPTSAS_REQUEST_QUEUE_DEPTH + 1]; + uint16_t request_post_head; + uint16_t request_post_tail; + + uint32_t reply_post[MPTSAS_REPLY_QUEUE_DEPTH + 1]; + uint16_t reply_post_head; + uint16_t reply_post_tail; + + uint32_t reply_free[MPTSAS_REPLY_QUEUE_DEPTH + 1]; + uint16_t reply_free_head; + uint16_t reply_free_tail; + + /* IOC Facts */ + hwaddr host_mfa_high_addr; + hwaddr sense_buffer_high_addr; + uint16_t max_devices; + uint16_t max_buses; + uint16_t reply_frame_size; + + SCSIBus bus; + QTAILQ_HEAD(, MPTSASRequest) pending; +}; + +void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req); +void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply); +void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req); +void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply); +void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req); +void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply); +void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req); +void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply); +void mptsas_fix_config_endianness(MPIMsgConfig *req); +void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply); +void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req); +void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply); +void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req); +void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply); +void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req); +void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply); + +void mptsas_reply(MPTSASState *s, MPIDefaultReply *reply); + +void mptsas_process_config(MPTSASState *s, MPIMsgConfig *req); + +#endif /* MPTSAS_H */ |