3 * \author John Hodge (thePowersGang)
4 * \brief Control block code
9 #include <udi_internal.h>
10 #include <udi_internal_ma.h> // for cUDI_MgmtCbInitList
13 udi_cb_t *udi_cb_alloc_internal_v(tUDI_MetaLang *Meta, udi_index_t MetaCBNum,
14 size_t inline_size, size_t scratch_size, udi_channel_t channel)
16 ASSERTC(MetaCBNum, <, Meta->nCbTypes);
17 size_t base = Meta->CbTypes[MetaCBNum].Size;
18 ASSERTC(base, >=, sizeof(udi_cb_t));
19 base -= sizeof(udi_cb_t);
20 LOG("+ %i + %i + %i", base, inline_size, scratch_size);
21 udi_cb_t *ret = NEW(udi_cb_t, + base + inline_size + scratch_size);
22 ret->channel = channel;
23 ret->scratch = (void*)ret + sizeof(udi_cb_t) + base + inline_size;
26 void *udi_cb_alloc_internal(tUDI_DriverInstance *Inst, udi_ubit8_t bind_cb_idx, udi_channel_t channel)
28 const udi_cb_init_t *cb_init;
29 LOG("Inst=%p, bind_cb_idx=%i, channel=%p", Inst, bind_cb_idx, channel);
32 ASSERT(Inst->Module->InitInfo);
33 ASSERT(Inst->Module->InitInfo->cb_init_list);
35 for( cb_init = Inst->Module->InitInfo->cb_init_list; cb_init->cb_idx; cb_init ++ )
37 if( cb_init->cb_idx == bind_cb_idx )
39 // TODO: Get base size using meta/cbnum
40 tUDI_MetaLang *metalang = UDI_int_GetMetaLang(Inst->Module, cb_init->meta_idx);
42 Log_Warning("UDI", "Metalang referenced in %s CB %i is invalid (%i)",
43 Inst->Module->ModuleName, bind_cb_idx, cb_init->meta_idx);
46 return udi_cb_alloc_internal_v(metalang, cb_init->meta_cb_num,
47 cb_init->inline_size, cb_init->scratch_requirement, channel);
49 ASSERTC(cb_init->meta_cb_num, <, metalang->nCbTypes);
50 size_t base = metalang->CbTypes[cb_init->meta_cb_num].Size;
51 ASSERTC(base, >=, sizeof(udi_cb_t));
52 base -= sizeof(udi_cb_t);
53 LOG("+ %i + %i + %i", base, cb_init->inline_size, cb_init->scratch_requirement);
54 udi_cb_t *ret = NEW(udi_cb_t, + base
55 + cb_init->inline_size + cb_init->scratch_requirement);
56 ret->channel = channel;
57 ret->scratch = (void*)ret + sizeof(udi_cb_t) + base + cb_init->inline_size;
62 Log_Warning("UDI", "Cannot find CB init def %i for '%s'",
63 bind_cb_idx, Inst->Module->ModuleName);
68 udi_cb_alloc_call_t *callback, //!< Function to be called when the CB is allocated
69 udi_cb_t *gcb, //!< Parent Control Block
71 udi_channel_t default_channel
74 tUDI_DriverInstance *inst = UDI_int_ChannelGetInstance(gcb, false, NULL);
75 void *ret = udi_cb_alloc_internal(inst, cb_idx, default_channel);
79 void udi_cb_alloc_dynamic(
80 udi_cb_alloc_call_t *callback,
83 udi_channel_t default_channel,
84 udi_size_t inline_size,
85 udi_layout_t *inline_layout
91 void udi_cb_alloc_batch(
92 udi_cb_alloc_batch_call_t *callback, //!<
96 udi_boolean_t with_buf,
98 udi_buf_path_t path_handle
104 void udi_cb_free(udi_cb_t *cb)
106 // TODO: Ensure that cb is inactive
110 void udi_cancel(udi_cancel_call_t *callback, udi_cb_t *gcb)
116 EXPORT(udi_cb_alloc);
117 EXPORT(udi_cb_alloc_dynamic);
118 EXPORT(udi_cb_alloc_batch);