diff options
Diffstat (limited to 'src/plugins/ixge')
| -rw-r--r-- | src/plugins/ixge/ixge.c | 32 | ||||
| -rw-r--r-- | src/plugins/ixge/ixge.h | 2 |
2 files changed, 23 insertions, 11 deletions
diff --git a/src/plugins/ixge/ixge.c b/src/plugins/ixge/ixge.c index e0150f41a70..222c148c67d 100644 --- a/src/plugins/ixge/ixge.c +++ b/src/plugins/ixge/ixge.c @@ -2493,10 +2493,11 @@ ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index) round_pow2 (xm->n_descriptors[rt], xm->n_descriptors_per_cache_line); dq->head_index = dq->tail_index = 0; - dq->descriptors = vlib_physmem_alloc_aligned (vm, &error, - dq->n_descriptors * - sizeof (dq->descriptors[0]), - 128 /* per chip spec */ ); + dq->descriptors = + vlib_physmem_alloc_aligned (vm, xm->physmem_region, &error, + dq->n_descriptors * + sizeof (dq->descriptors[0]), + 128 /* per chip spec */ ); if (error) return error; @@ -2518,7 +2519,8 @@ ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index) vlib_buffer_t *b = vlib_get_buffer (vm, dq->descriptor_buffer_indices[i]); dq->descriptors[i].rx_to_hw.tail_address = - vlib_physmem_virtual_to_physical (vm, b->data); + vlib_physmem_virtual_to_physical (vm, xm->physmem_region, + b->data); } } else @@ -2526,7 +2528,8 @@ ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index) u32 i; dq->tx.head_index_write_back = - vlib_physmem_alloc (vm, &error, CLIB_CACHE_LINE_BYTES); + vlib_physmem_alloc (vm, vm->buffer_main->physmem_region, &error, + CLIB_CACHE_LINE_BYTES); for (i = 0; i < dq->n_descriptors; i++) dq->descriptors[i].tx = xm->tx_descriptor_template; @@ -2538,7 +2541,9 @@ ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index) ixge_dma_regs_t *dr = get_dma_regs (xd, rt, queue_index); u64 a; - a = vlib_physmem_virtual_to_physical (vm, dq->descriptors); + a = + vlib_physmem_virtual_to_physical (vm, vm->buffer_main->physmem_region, + dq->descriptors); dr->descriptor_address[0] = a & 0xFFFFFFFF; dr->descriptor_address[1] = a >> (u64) 32; dr->n_descriptor_bytes = dq->n_descriptors * sizeof (dq->descriptors[0]); @@ -2564,7 +2569,9 @@ ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index) dq->tx.head_index_write_back[0] = dq->head_index; a = - vlib_physmem_virtual_to_physical (vm, dq->tx.head_index_write_back); + vlib_physmem_virtual_to_physical (vm, + vm->buffer_main->physmem_region, + dq->tx.head_index_write_back); dr->tx.head_index_write_back_address[0] = /* enable bit */ 1 | a; dr->tx.head_index_write_back_address[1] = (u64) a >> (u64) 32; } @@ -2850,9 +2857,12 @@ ixge_pci_init (vlib_main_t * vm, vlib_pci_device_t * dev) void *r; ixge_device_t *xd; - /* Device found: make sure we have dma memory. */ - if (unix_physmem_is_fake (vm)) - return clib_error_return (0, "no physical memory available"); + /* Allocate physmem region for DMA buffers */ + error = vlib_physmem_region_alloc (vm, "ixge decriptors", 2 << 20, 0, + VLIB_PHYSMEM_F_INIT_MHEAP, + &xm->physmem_region); + if (error) + return error; error = vlib_pci_map_resource (dev, 0, &r); if (error) diff --git a/src/plugins/ixge/ixge.h b/src/plugins/ixge/ixge.h index 779603b391b..42c1bfa5c9b 100644 --- a/src/plugins/ixge/ixge.h +++ b/src/plugins/ixge/ixge.h @@ -1266,6 +1266,8 @@ typedef struct u32 *rx_buffers_to_add; f64 time_last_stats_update; + + vlib_physmem_region_index_t physmem_region; } ixge_main_t; ixge_main_t ixge_main; |