*/
#include <linux/printk.h>
+#include <linux/slab.h>
#include "kfd_priv.h"
#include "kfd_mqd_manager.h"
+#include "vi_structs.h"
+#include "gca/gfx_8_0_sh_mask.h"
+#include "gca/gfx_8_0_enum.h"
+
+#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
+
+static inline struct vi_mqd *get_mqd(void *mqd)
+{
+ return (struct vi_mqd *)mqd;
+}
+
+static int init_mqd(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *q)
+{
+ int retval;
+ uint64_t addr;
+ struct vi_mqd *m;
+
+ retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
+ mqd_mem_obj);
+ if (retval != 0)
+ return -ENOMEM;
+
+ m = (struct vi_mqd *) (*mqd_mem_obj)->cpu_ptr;
+ addr = (*mqd_mem_obj)->gpu_addr;
+
+ memset(m, 0, sizeof(struct vi_mqd));
+
+ m->header = 0xC0310800;
+ m->compute_pipelinestat_enable = 1;
+ m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF;
+ m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF;
+ m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF;
+ m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF;
+
+ m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK |
+ 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT;
+
+ m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT |
+ MTYPE_UC << CP_MQD_CONTROL__MTYPE__SHIFT;
+
+ m->cp_mqd_base_addr_lo = lower_32_bits(addr);
+ m->cp_mqd_base_addr_hi = upper_32_bits(addr);
+
+ m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT |
+ 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT |
+ 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;
+
+ m->cp_hqd_pipe_priority = 1;
+ m->cp_hqd_queue_priority = 15;
+
+ m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;
+
+ if (q->format == KFD_QUEUE_FORMAT_AQL)
+ m->cp_hqd_iq_rptr = 1;
+
+ *mqd = m;
+ if (gart_addr != NULL)
+ *gart_addr = addr;
+ retval = mm->update_mqd(mm, m, q);
+
+ return retval;
+}
+
+static int load_mqd(struct mqd_manager *mm, void *mqd,
+ uint32_t pipe_id, uint32_t queue_id,
+ uint32_t __user *wptr)
+{
+ return mm->dev->kfd2kgd->hqd_load
+ (mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+}
+
+static int __update_mqd(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q, unsigned int mtype,
+ unsigned int atc_bit)
+{
+ struct vi_mqd *m;
+
+ BUG_ON(!mm || !q || !mqd);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ m = get_mqd(mqd);
+
+ m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT |
+ atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT |
+ mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT;
+ m->cp_hqd_pq_control |=
+ ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
+ pr_debug("kfd: cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);
+
+ m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
+ m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
+
+ m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
+ m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
+
+ m->cp_hqd_pq_doorbell_control =
+ 1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT |
+ q->doorbell_off <<
+ CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
+ pr_debug("kfd: cp_hqd_pq_doorbell_control 0x%x\n",
+ m->cp_hqd_pq_doorbell_control);
+
+ m->cp_hqd_eop_control = atc_bit << CP_HQD_EOP_CONTROL__EOP_ATC__SHIFT |
+ mtype << CP_HQD_EOP_CONTROL__MTYPE__SHIFT;
+
+ m->cp_hqd_ib_control = atc_bit << CP_HQD_IB_CONTROL__IB_ATC__SHIFT |
+ 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT |
+ mtype << CP_HQD_IB_CONTROL__MTYPE__SHIFT;
+
+ m->cp_hqd_eop_control |=
+ ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1;
+ m->cp_hqd_eop_base_addr_lo =
+ lower_32_bits(q->eop_ring_buffer_address >> 8);
+ m->cp_hqd_eop_base_addr_hi =
+ upper_32_bits(q->eop_ring_buffer_address >> 8);
+
+ m->cp_hqd_iq_timer = atc_bit << CP_HQD_IQ_TIMER__IQ_ATC__SHIFT |
+ mtype << CP_HQD_IQ_TIMER__MTYPE__SHIFT;
+
+ m->cp_hqd_vmid = q->vmid;
+
+ if (q->format == KFD_QUEUE_FORMAT_AQL) {
+ m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK |
+ 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
+ }
+
+ m->cp_hqd_active = 0;
+ q->is_active = false;
+ if (q->queue_size > 0 &&
+ q->queue_address != 0 &&
+ q->queue_percent > 0) {
+ m->cp_hqd_active = 1;
+ q->is_active = true;
+ }
+
+ return 0;
+}
+
+
+static int update_mqd(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
+}
+
+static int destroy_mqd(struct mqd_manager *mm, void *mqd,
+ enum kfd_preempt_type type,
+ unsigned int timeout, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return mm->dev->kfd2kgd->hqd_destroy
+ (mm->dev->kgd, type, timeout,
+ pipe_id, queue_id);
+}
+
+static void uninit_mqd(struct mqd_manager *mm, void *mqd,
+ struct kfd_mem_obj *mqd_mem_obj)
+{
+ BUG_ON(!mm || !mqd);
+ kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+}
+
+static bool is_occupied(struct mqd_manager *mm, void *mqd,
+ uint64_t queue_address, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return mm->dev->kfd2kgd->hqd_is_occupied(
+ mm->dev->kgd, queue_address,
+ pipe_id, queue_id);
+}
+
+static int init_mqd_hiq(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *q)
+{
+ struct vi_mqd *m;
+ int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
+
+ if (retval != 0)
+ return retval;
+
+ m = get_mqd(*mqd);
+
+ m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT |
+ 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT;
+
+ return retval;
+}
+
+static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ struct vi_mqd *m;
+ int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);
+
+ if (retval != 0)
+ return retval;
+
+ m = get_mqd(mqd);
+ m->cp_hqd_vmid = q->vmid;
+ return retval;
+}
struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
- struct kfd_dev *dev)
+ struct kfd_dev *dev)
{
- pr_warn("amdkfd: VI MQD is not currently supported\n");
- return NULL;
+ struct mqd_manager *mqd;
+
+ BUG_ON(!dev);
+ BUG_ON(type >= KFD_MQD_TYPE_MAX);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
+ if (!mqd)
+ return NULL;
+
+ mqd->dev = dev;
+
+ switch (type) {
+ case KFD_MQD_TYPE_CP:
+ case KFD_MQD_TYPE_COMPUTE:
+ mqd->init_mqd = init_mqd;
+ mqd->uninit_mqd = uninit_mqd;
+ mqd->load_mqd = load_mqd;
+ mqd->update_mqd = update_mqd;
+ mqd->destroy_mqd = destroy_mqd;
+ mqd->is_occupied = is_occupied;
+ break;
+ case KFD_MQD_TYPE_HIQ:
+ mqd->init_mqd = init_mqd_hiq;
+ mqd->uninit_mqd = uninit_mqd;
+ mqd->load_mqd = load_mqd;
+ mqd->update_mqd = update_mqd_hiq;
+ mqd->destroy_mqd = destroy_mqd;
+ mqd->is_occupied = is_occupied;
+ break;
+ case KFD_MQD_TYPE_SDMA:
+ break;
+ default:
+ kfree(mqd);
+ return NULL;
+ }
+
+ return mqd;
}
Code Review / kvmfornfv.git / blobdiff