diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index d0e466819036..bf310df3d8f7 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -822,6 +822,12 @@ struct ath12k_soc_dp_stats { struct ath12k_soc_dp_tx_err_stats tx_err; }; +struct ath12k_mlo_memory { + struct target_mem_chunk chunk[ATH12K_QMI_WLANFW_MAX_NUM_MEM_SEG_V01]; + int mlo_mem_size; + bool init_done; +}; + /* Holds info on the group of devices that are registered as a single * wiphy, protected with struct ath12k_hw_group::mutex. */ @@ -847,6 +853,7 @@ struct ath12k_hw_group { u8 num_hw; bool mlo_capable; struct device_node *wsi_node[ATH12K_MAX_SOCS]; + struct ath12k_mlo_memory mlo_mem; }; /* Holds WSI info specific to each device, excluding WSI group info */ diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 7f3d5b269b9e..e7846aaca10a 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2407,19 +2407,64 @@ out: return ret; } +static void ath12k_qmi_free_mlo_mem_chunk(struct ath12k_base *ab, + struct target_mem_chunk *chunk, + int idx) +{ + struct ath12k_hw_group *ag = ab->ag; + struct target_mem_chunk *mlo_chunk; + + lockdep_assert_held(&ag->mutex); + + if (!ag->mlo_mem.init_done || ag->num_started) + return; + + if (idx >= ARRAY_SIZE(ag->mlo_mem.chunk)) { + ath12k_warn(ab, "invalid index for MLO memory chunk free: %d\n", idx); + return; + } + + mlo_chunk = &ag->mlo_mem.chunk[idx]; + if (mlo_chunk->v.addr) { + dma_free_coherent(ab->dev, + mlo_chunk->size, + mlo_chunk->v.addr, + mlo_chunk->paddr); + mlo_chunk->v.addr = NULL; + } + + mlo_chunk->paddr = 0; + mlo_chunk->size = 0; + chunk->v.addr = NULL; + chunk->paddr = 0; + chunk->size = 0; +} + static void ath12k_qmi_free_target_mem_chunk(struct ath12k_base *ab) { - int i; + struct ath12k_hw_group *ag = ab->ag; + int i, mlo_idx; - for (i = 0; i < ab->qmi.mem_seg_count; i++) { + for (i = 0, mlo_idx = 0; i < ab->qmi.mem_seg_count; i++) { if (!ab->qmi.target_mem[i].v.addr) continue; - dma_free_coherent(ab->dev, - ab->qmi.target_mem[i].prev_size, - ab->qmi.target_mem[i].v.addr, - ab->qmi.target_mem[i].paddr); - ab->qmi.target_mem[i].v.addr = NULL; + if (ab->qmi.target_mem[i].type == MLO_GLOBAL_MEM_REGION_TYPE) { + ath12k_qmi_free_mlo_mem_chunk(ab, + &ab->qmi.target_mem[i], + mlo_idx++); + } else { + dma_free_coherent(ab->dev, + ab->qmi.target_mem[i].prev_size, + ab->qmi.target_mem[i].v.addr, + ab->qmi.target_mem[i].paddr); + ab->qmi.target_mem[i].v.addr = NULL; + } + } + + if (!ag->num_started && ag->mlo_mem.init_done) { + ag->mlo_mem.init_done = false; + ag->mlo_mem.mlo_mem_size = 0; } } @@ -2466,12 +2511,21 @@ this_chunk_done: static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab) { - int i, ret = 0; - struct target_mem_chunk *chunk; + struct target_mem_chunk *chunk, *mlo_chunk; + struct ath12k_hw_group *ag = ab->ag; + int i, mlo_idx, ret; + int mlo_size = 0; + + mutex_lock(&ag->mutex); + + if (!ag->mlo_mem.init_done) { + memset(ag->mlo_mem.chunk, 0, sizeof(ag->mlo_mem.chunk)); + ag->mlo_mem.init_done = true; + } ab->qmi.target_mem_delayed = false; - for (i = 0; i < ab->qmi.mem_seg_count; i++) { + for (i = 0, mlo_idx = 0; i < ab->qmi.mem_seg_count; i++) { chunk = &ab->qmi.target_mem[i]; /* Allocate memory for the region and the functionality supported @@ -2484,6 +2538,40 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab) case PAGEABLE_MEM_REGION_TYPE: case CALDB_MEM_REGION_TYPE: ret = ath12k_qmi_alloc_chunk(ab, chunk); + if (ret) + goto err; + break; + case MLO_GLOBAL_MEM_REGION_TYPE: + mlo_size += chunk->size; + if (ag->mlo_mem.mlo_mem_size && + mlo_size > ag->mlo_mem.mlo_mem_size) { + ath12k_err(ab, "QMI MLO memory allocation failure, requested size %d is more than allocated size %d", + mlo_size, ag->mlo_mem.mlo_mem_size); + ret = -EINVAL; + goto err; + } + + mlo_chunk = &ag->mlo_mem.chunk[mlo_idx]; + if (mlo_chunk->paddr) { + if (chunk->size != mlo_chunk->size) { + ath12k_err(ab, "QMI MLO chunk memory allocation failure for index %d, requested size %d is more than allocated size %d", + mlo_idx, chunk->size, mlo_chunk->size); + ret = -EINVAL; + goto err; + } + } else { + mlo_chunk->size = chunk->size; + mlo_chunk->type = chunk->type; + ret = ath12k_qmi_alloc_chunk(ab, mlo_chunk); + if (ret) + goto err; + memset(mlo_chunk->v.addr, 0, mlo_chunk->size); + } + + chunk->paddr = mlo_chunk->paddr; + chunk->v.addr = mlo_chunk->v.addr; + mlo_idx++; + break; default: ath12k_warn(ab, "memory type %u not supported\n", @@ -2493,6 +2581,25 @@ static int ath12k_qmi_alloc_target_mem_chunk(struct ath12k_base *ab) break; } } + + if (!ag->mlo_mem.mlo_mem_size) { + ag->mlo_mem.mlo_mem_size = mlo_size; + } else if (ag->mlo_mem.mlo_mem_size != mlo_size) { + ath12k_err(ab, "QMI MLO memory size error, expected size is %d but requestted size is %d", + ag->mlo_mem.mlo_mem_size, mlo_size); + ret = -EINVAL; + goto err; + } + + mutex_unlock(&ag->mutex); + + return 0; + +err: + ath12k_qmi_free_target_mem_chunk(ab); + + mutex_unlock(&ag->mutex); + return ret; } diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index 98f6009ab21e..45d7c3fcafdd 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -172,6 +172,7 @@ enum ath12k_qmi_target_mem { BDF_MEM_REGION_TYPE = 0x2, M3_DUMP_REGION_TYPE = 0x3, CALDB_MEM_REGION_TYPE = 0x4, + MLO_GLOBAL_MEM_REGION_TYPE = 0x8, PAGEABLE_MEM_REGION_TYPE = 0x9, };