diff options
Diffstat (limited to 'arch/tile/gxio/mpipe.c')
| -rw-r--r-- | arch/tile/gxio/mpipe.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c index e71c63390acc..5301a9ffbae1 100644 --- a/arch/tile/gxio/mpipe.c +++ b/arch/tile/gxio/mpipe.c @@ -36,8 +36,14 @@ int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index) int fd; int i; + if (mpipe_index >= GXIO_MPIPE_INSTANCE_MAX) + return -EINVAL; + snprintf(file, sizeof(file), "mpipe/%d/iorpc", mpipe_index); fd = hv_dev_open((HV_VirtAddr) file, 0); + + context->fd = fd; + if (fd < 0) { if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) return fd; @@ -45,8 +51,6 @@ int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index) return -ENODEV; } - context->fd = fd; - /* Map in the MMIO space. */ context->mmio_cfg_base = (void __force *) iorpc_ioremap(fd, HV_MPIPE_CONFIG_MMIO_OFFSET, @@ -64,12 +68,15 @@ int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index) for (i = 0; i < 8; i++) context->__stacks.stacks[i] = 255; + context->instance = mpipe_index; + return 0; fast_failed: iounmap((void __force __iomem *)(context->mmio_cfg_base)); cfg_failed: hv_dev_close(context->fd); + context->fd = -1; return -ENODEV; } @@ -383,7 +390,7 @@ EXPORT_SYMBOL_GPL(gxio_mpipe_iqueue_init); int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, gxio_mpipe_context_t *context, - unsigned int edma_ring_id, + unsigned int ering, unsigned int channel, void *mem, unsigned int mem_size, unsigned int mem_flags) @@ -394,7 +401,7 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, /* Offset used to read number of completed commands. */ MPIPE_EDMA_POST_REGION_ADDR_t offset; - int result = gxio_mpipe_init_edma_ring(context, edma_ring_id, channel, + int result = gxio_mpipe_init_edma_ring(context, ering, channel, mem, mem_size, mem_flags); if (result < 0) return result; @@ -405,7 +412,7 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, offset.region = MPIPE_MMIO_ADDR__REGION_VAL_EDMA - MPIPE_MMIO_ADDR__REGION_VAL_IDMA; - offset.ring = edma_ring_id; + offset.ring = ering; __gxio_dma_queue_init(&equeue->dma_queue, context->mmio_fast_base + offset.word, @@ -413,6 +420,9 @@ int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, equeue->edescs = mem; equeue->mask_num_entries = num_entries - 1; equeue->log2_num_entries = __builtin_ctz(num_entries); + equeue->context = context; + equeue->ering = ering; + equeue->channel = channel; return 0; } @@ -493,6 +503,20 @@ static gxio_mpipe_context_t *_gxio_get_link_context(void) return contextp; } +int gxio_mpipe_link_instance(const char *link_name) +{ + _gxio_mpipe_link_name_t name; + gxio_mpipe_context_t *context = _gxio_get_link_context(); + + if (!context) + return GXIO_ERR_NO_DEVICE; + + strncpy(name.name, link_name, sizeof(name.name)); + name.name[GXIO_MPIPE_LINK_NAME_LEN - 1] = '\0'; + + return gxio_mpipe_info_instance_aux(context, name); +} + int gxio_mpipe_link_enumerate_mac(int idx, char *link_name, uint8_t *link_mac) { int rv; @@ -543,3 +567,12 @@ int gxio_mpipe_link_close(gxio_mpipe_link_t *link) } EXPORT_SYMBOL_GPL(gxio_mpipe_link_close); + +int gxio_mpipe_link_set_attr(gxio_mpipe_link_t *link, uint32_t attr, + int64_t val) +{ + return gxio_mpipe_link_set_attr_aux(link->context, link->mac, attr, + val); +} + +EXPORT_SYMBOL_GPL(gxio_mpipe_link_set_attr); |