diff options
Diffstat (limited to 'sys/dev/cxgbe/tom/t4_tom.h')
| -rw-r--r-- | sys/dev/cxgbe/tom/t4_tom.h | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/sys/dev/cxgbe/tom/t4_tom.h b/sys/dev/cxgbe/tom/t4_tom.h index 6f4f071..a1d723d 100644 --- a/sys/dev/cxgbe/tom/t4_tom.h +++ b/sys/dev/cxgbe/tom/t4_tom.h @@ -60,6 +60,9 @@ struct mbufq { #define USE_DDP_RX_FLOW_CONTROL +#define PPOD_SZ(n) ((n) * sizeof(struct pagepod)) +#define PPOD_SIZE (PPOD_SZ(1)) + /* TOE PCB flags */ enum { TPF_ATTACHED = (1 << 0), /* a tcpcb refers to this toepcb */ @@ -90,14 +93,29 @@ struct ofld_tx_sdesc { uint8_t tx_credits; /* firmware tx credits (unit is 16B) */ }; +struct ppod_region { + u_int pr_start; + u_int pr_len; + u_int pr_page_shift[4]; + uint32_t pr_tag_mask; /* hardware tagmask for this region. */ + uint32_t pr_invalid_bit; /* OR with this to invalidate tag. */ + uint32_t pr_alias_mask; /* AND with tag to get alias bits. */ + u_int pr_alias_shift; /* shift this much for first alias bit. */ + vmem_t *pr_arena; +}; + +struct ppod_reservation { + struct ppod_region *prsv_pr; + uint32_t prsv_tag; /* Full tag: pgsz, alias, tag, color */ + u_int prsv_nppods; +}; + struct ddp_buffer { - uint32_t tag; /* includes color, page pod addr, and DDP page size */ - u_int ppod_addr; - int nppods; int offset; int len; int npages; vm_page_t *pages; + struct ppod_reservation prsv; }; struct toepcb { @@ -206,8 +224,7 @@ struct tom_data { u_long listen_mask; int lctx_count; /* # of lctx in the hash table */ - u_int ppod_start; - vmem_t *ppod_arena; + struct ppod_region pr; struct mtx clip_table_lock; struct clip_head clip_table; @@ -314,8 +331,17 @@ void t4_push_pdus(struct adapter *sc, struct toepcb *toep, int drop); int do_set_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *); /* t4_ddp.c */ -void t4_init_ddp(struct adapter *, struct tom_data *); -void t4_uninit_ddp(struct adapter *, struct tom_data *); +int t4_init_ppod_region(struct ppod_region *, struct t4_range *, u_int, + const char *); +void t4_free_ppod_region(struct ppod_region *); +int t4_alloc_page_pods_for_db(struct ppod_region *, struct ddp_buffer *); +int t4_alloc_page_pods_for_buf(struct ppod_region *, vm_offset_t, int, + struct ppod_reservation *); +int t4_write_page_pods_for_db(struct adapter *, struct sge_wrq *, int, + struct ddp_buffer *); +int t4_write_page_pods_for_buf(struct adapter *, struct sge_wrq *, int tid, + struct ppod_reservation *, vm_offset_t, int); +void t4_free_page_pods(struct ppod_reservation *); int t4_soreceive_ddp(struct socket *, struct sockaddr **, struct uio *, struct mbuf **, struct mbuf **, int *); int t4_ddp_mod_load(void); |
