i40e_osdep.c (4e27d36d38f4c3b12bcc1855c5d41527d08d1ce0) i40e_osdep.c (ea022094f2bafa4ae204c6cc0edc77b981870919)
1/******************************************************************************
2
3 Copyright (c) 2013-2014, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8

--- 35 unchanged lines hidden (view full) ---

44{
45 if (error)
46 return;
47 *(bus_addr_t *) arg = segs->ds_addr;
48 return;
49}
50
51i40e_status
1/******************************************************************************
2
3 Copyright (c) 2013-2014, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8

--- 35 unchanged lines hidden (view full) ---

44{
45 if (error)
46 return;
47 *(bus_addr_t *) arg = segs->ds_addr;
48 return;
49}
50
51i40e_status
52i40e_allocate_virt(struct i40e_hw *hw, struct i40e_virt_mem *m, u32 size)
52i40e_allocate_virt(struct i40e_hw *hw, struct i40e_virt_mem *mem, u32 size)
53{
53{
54 m->va = malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO);
55 return(m->va == NULL);
54 mem->va = malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO);
55 return(mem->va == NULL);
56}
57
58i40e_status
56}
57
58i40e_status
59i40e_free_virt(struct i40e_hw *hw, struct i40e_virt_mem *m)
59i40e_free_virt(struct i40e_hw *hw, struct i40e_virt_mem *mem)
60{
60{
61 free(m->va, M_DEVBUF);
61 free(mem->va, M_DEVBUF);
62 return(0);
63}
64
65i40e_status
62 return(0);
63}
64
65i40e_status
66i40e_allocate_dma(struct i40e_hw *hw, struct i40e_dma_mem *dma,
66i40e_allocate_dma(struct i40e_hw *hw, struct i40e_dma_mem *mem,
67 bus_size_t size, u32 alignment)
68{
69 device_t dev = ((struct i40e_osdep *)hw->back)->dev;
70 int err;
71
72
73 err = bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
74 alignment, 0, /* alignment, bounds */
75 BUS_SPACE_MAXADDR, /* lowaddr */
76 BUS_SPACE_MAXADDR, /* highaddr */
77 NULL, NULL, /* filter, filterarg */
78 size, /* maxsize */
79 1, /* nsegments */
80 size, /* maxsegsize */
81 BUS_DMA_ALLOCNOW, /* flags */
82 NULL, /* lockfunc */
83 NULL, /* lockfuncarg */
67 bus_size_t size, u32 alignment)
68{
69 device_t dev = ((struct i40e_osdep *)hw->back)->dev;
70 int err;
71
72
73 err = bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
74 alignment, 0, /* alignment, bounds */
75 BUS_SPACE_MAXADDR, /* lowaddr */
76 BUS_SPACE_MAXADDR, /* highaddr */
77 NULL, NULL, /* filter, filterarg */
78 size, /* maxsize */
79 1, /* nsegments */
80 size, /* maxsegsize */
81 BUS_DMA_ALLOCNOW, /* flags */
82 NULL, /* lockfunc */
83 NULL, /* lockfuncarg */
84 &dma->tag);
84 &mem->tag);
85 if (err != 0) {
86 device_printf(dev,
87 "i40e_allocate_dma: bus_dma_tag_create failed, "
88 "error %u\n", err);
89 goto fail_0;
90 }
85 if (err != 0) {
86 device_printf(dev,
87 "i40e_allocate_dma: bus_dma_tag_create failed, "
88 "error %u\n", err);
89 goto fail_0;
90 }
91 err = bus_dmamem_alloc(dma->tag, (void **)&dma->va,
92 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dma->map);
91 err = bus_dmamem_alloc(mem->tag, (void **)&mem->va,
92 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &mem->map);
93 if (err != 0) {
94 device_printf(dev,
95 "i40e_allocate_dma: bus_dmamem_alloc failed, "
96 "error %u\n", err);
97 goto fail_1;
98 }
93 if (err != 0) {
94 device_printf(dev,
95 "i40e_allocate_dma: bus_dmamem_alloc failed, "
96 "error %u\n", err);
97 goto fail_1;
98 }
99 err = bus_dmamap_load(dma->tag, dma->map, dma->va,
99 err = bus_dmamap_load(mem->tag, mem->map, mem->va,
100 size,
101 i40e_dmamap_cb,
100 size,
101 i40e_dmamap_cb,
102 &dma->pa,
102 &mem->pa,
103 BUS_DMA_NOWAIT);
104 if (err != 0) {
105 device_printf(dev,
106 "i40e_allocate_dma: bus_dmamap_load failed, "
107 "error %u\n", err);
108 goto fail_2;
109 }
103 BUS_DMA_NOWAIT);
104 if (err != 0) {
105 device_printf(dev,
106 "i40e_allocate_dma: bus_dmamap_load failed, "
107 "error %u\n", err);
108 goto fail_2;
109 }
110 dma->size = size;
111 bus_dmamap_sync(dma->tag, dma->map,
110 mem->size = size;
111 bus_dmamap_sync(mem->tag, mem->map,
112 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
113 return (0);
114fail_2:
112 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
113 return (0);
114fail_2:
115 bus_dmamem_free(dma->tag, dma->va, dma->map);
115 bus_dmamem_free(mem->tag, mem->va, mem->map);
116fail_1:
116fail_1:
117 bus_dma_tag_destroy(dma->tag);
117 bus_dma_tag_destroy(mem->tag);
118fail_0:
118fail_0:
119 dma->map = NULL;
120 dma->tag = NULL;
119 mem->map = NULL;
120 mem->tag = NULL;
121 return (err);
122}
123
124i40e_status
121 return (err);
122}
123
124i40e_status
125i40e_free_dma(struct i40e_hw *hw, struct i40e_dma_mem *dma)
125i40e_free_dma(struct i40e_hw *hw, struct i40e_dma_mem *mem)
126{
126{
127 bus_dmamap_sync(dma->tag, dma->map,
127 bus_dmamap_sync(mem->tag, mem->map,
128 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
128 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
129 bus_dmamap_unload(dma->tag, dma->map);
130 bus_dmamem_free(dma->tag, dma->va, dma->map);
131 bus_dma_tag_destroy(dma->tag);
129 bus_dmamap_unload(mem->tag, mem->map);
130 bus_dmamem_free(mem->tag, mem->va, mem->map);
131 bus_dma_tag_destroy(mem->tag);
132 return (0);
133}
134
135void
136i40e_init_spinlock(struct i40e_spinlock *lock)
137{
138 mtx_init(&lock->mutex, "mutex",
139 MTX_NETWORK_LOCK, MTX_DEF | MTX_DUPOK);

--- 59 unchanged lines hidden --- 		132 return (0);
133}
134
135void
136i40e_init_spinlock(struct i40e_spinlock *lock)
137{
138 mtx_init(&lock->mutex, "mutex",
139 MTX_NETWORK_LOCK, MTX_DEF | MTX_DUPOK);

--- 59 unchanged lines hidden ---