diff options
Diffstat (limited to 'sys/cam/ctl/ctl_io.h')
| -rw-r--r-- | sys/cam/ctl/ctl_io.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sys/cam/ctl/ctl_io.h b/sys/cam/ctl/ctl_io.h index bc7a64d69a84..7dfa45da0f70 100644 --- a/sys/cam/ctl/ctl_io.h +++ b/sys/cam/ctl/ctl_io.h @@ -167,6 +167,15 @@ union ctl_priv { #define CTL_PORT(io) (((struct ctl_softc *)CTL_SOFTC(io))-> \ ctl_ports[(io)->io_hdr.nexus.targ_port]) +/* + * These are used only on Originating SC in XFER mode, where requests don't + * ever reach backends, so we can reuse backend's private storage. + */ +#define CTL_RSGL(io) ((io)->io_hdr.ctl_private[CTL_PRIV_BACKEND].ptrs[0]) +#define CTL_LSGL(io) ((io)->io_hdr.ctl_private[CTL_PRIV_BACKEND].ptrs[1]) +#define CTL_RSGLT(io) ((struct ctl_sg_entry *)CTL_RSGL(io)) +#define CTL_LSGLT(io) ((struct ctl_sg_entry *)CTL_LSGL(io)) + #define CTL_INVALID_PORTNAME 0xFF #define CTL_UNMAPPED_IID 0xFF @@ -229,12 +238,12 @@ struct ctl_io_hdr { struct bintime dma_bt; /* DMA total ticks */ #endif /* CTL_TIME_IO */ uint32_t num_dmas; /* Number of DMAs */ - union ctl_io *original_sc; - union ctl_io *serializing_sc; + union ctl_io *remote_io; /* I/O counterpart on remote HA side */ + void *pad1; void *pool; /* I/O pool */ union ctl_priv ctl_private[CTL_NUM_PRIV];/* CTL private area */ - struct ctl_sg_entry *remote_sglist; - struct ctl_sg_entry *local_sglist; + void *pad2; + void *pad3; STAILQ_ENTRY(ctl_io_hdr) links; /* linked list pointer */ TAILQ_ENTRY(ctl_io_hdr) ooa_links; TAILQ_ENTRY(ctl_io_hdr) blocked_links; |