diff options
Diffstat (limited to 'block/qed.h')
| -rw-r--r-- | block/qed.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/block/qed.h b/block/qed.h index 6d49a4de55..046a4102c0 100644 --- a/block/qed.h +++ b/block/qed.h @@ -116,6 +116,29 @@ typedef struct QEDRequest { CachedL2Table *l2_table; } QEDRequest; +typedef struct QEDAIOCB { + BlockDriverAIOCB common; + QEMUBH *bh; + int bh_ret; /* final return status for completion bh */ + QSIMPLEQ_ENTRY(QEDAIOCB) next; /* next request */ + bool is_write; /* false - read, true - write */ + bool *finished; /* signal for cancel completion */ + uint64_t end_pos; /* request end on block device, in bytes */ + + /* User scatter-gather list */ + QEMUIOVector *qiov; + size_t qiov_offset; /* byte count already processed */ + + /* Current cluster scatter-gather list */ + QEMUIOVector cur_qiov; + uint64_t cur_pos; /* position on block device, in bytes */ + uint64_t cur_cluster; /* cluster offset in image file */ + unsigned int cur_nclusters; /* number of clusters being accessed */ + int find_cluster_ret; /* used for L1/L2 update */ + + QEDRequest request; +} QEDAIOCB; + typedef struct { BlockDriverState *bs; /* device */ uint64_t file_size; /* length of image file, in bytes */ @@ -127,6 +150,9 @@ typedef struct { uint32_t l1_shift; uint32_t l2_shift; uint32_t l2_mask; + + /* Allocating write request queue */ + QSIMPLEQ_HEAD(, QEDAIOCB) allocating_write_reqs; } BDRVQEDState; enum { |