1806 	struct ena_com_phc_info *phc = &ena_dev->phc;  in ena_com_phc_init()  local
1808 	memset(phc, 0x0, sizeof(*phc));  in ena_com_phc_init()
1812 			       sizeof(*phc->virt_addr),  in ena_com_phc_init()
1813 			       phc->virt_addr,  in ena_com_phc_init()
1814 			       phc->phys_addr,  in ena_com_phc_init()
1815 			       phc->mem_handle);  in ena_com_phc_init()
1816 	if (unlikely(!phc->virt_addr))  in ena_com_phc_init()
1819 	ENA_SPINLOCK_INIT(phc->lock);  in ena_com_phc_init()
1821 	phc->virt_addr->req_id = 0;  in ena_com_phc_init()
1822 	phc->virt_addr->timestamp = 0;  in ena_com_phc_init()
1829 	struct ena_com_phc_info *phc = &ena_dev->phc;  in ena_com_phc_config()  local
1846 	if (get_feat_resp.u.phc.version != ENA_ADMIN_PHC_FEATURE_VERSION_0) {  in ena_com_phc_config()
1848 			    get_feat_resp.u.phc.version,  in ena_com_phc_config()
1854 	phc->doorbell_offset = get_feat_resp.u.phc.doorbell_offset;  in ena_com_phc_config()
1857 	phc->expire_timeout_usec = (get_feat_resp.u.phc.expire_timeout_usec) ?  in ena_com_phc_config()
1858 				    get_feat_resp.u.phc.expire_timeout_usec :  in ena_com_phc_config()
1862 	phc->block_timeout_usec = (get_feat_resp.u.phc.block_timeout_usec) ?  in ena_com_phc_config()
1863 				   get_feat_resp.u.phc.block_timeout_usec :  in ena_com_phc_config()
1867 	if (phc->expire_timeout_usec > phc->block_timeout_usec)  in ena_com_phc_config()
1868 		phc->expire_timeout_usec = phc->block_timeout_usec;  in ena_com_phc_config()
1874 	set_feat_cmd.u.phc.output_length = sizeof(*phc->virt_addr);  in ena_com_phc_config()
1875 	ret = ena_com_mem_addr_set(ena_dev, &set_feat_cmd.u.phc.output_address, phc->phys_addr);  in ena_com_phc_config()
1893 	phc->active = true;  in ena_com_phc_config()
1901 	struct ena_com_phc_info *phc = &ena_dev->phc;  in ena_com_phc_destroy()  local
1905 	if (!phc->virt_addr)  in ena_com_phc_destroy()
1908 	ENA_SPINLOCK_LOCK(phc->lock, flags);  in ena_com_phc_destroy()
1909 	phc->active = false;  in ena_com_phc_destroy()
1910 	ENA_SPINLOCK_UNLOCK(phc->lock, flags);  in ena_com_phc_destroy()
1913 			      sizeof(*phc->virt_addr),  in ena_com_phc_destroy()
1914 			      phc->virt_addr,  in ena_com_phc_destroy()
1915 			      phc->phys_addr,  in ena_com_phc_destroy()
1916 			      phc->mem_handle);  in ena_com_phc_destroy()
1917 	phc->virt_addr = NULL;  in ena_com_phc_destroy()
1919 	ENA_SPINLOCK_DESTROY(phc->lock);  in ena_com_phc_destroy()
1924 	volatile struct ena_admin_phc_resp *read_resp = ena_dev->phc.virt_addr;  in ena_com_phc_get_timestamp()
1926 	struct ena_com_phc_info *phc = &ena_dev->phc;  in ena_com_phc_get_timestamp()  local
1932 	if (!phc->active) {  in ena_com_phc_get_timestamp()
1937 	ENA_SPINLOCK_LOCK(phc->lock, flags);  in ena_com_phc_get_timestamp()
1940 	if (unlikely(ENA_TIME_COMPARE_HIGH_RES(phc->system_time, zero_system_time))) {  in ena_com_phc_get_timestamp()
1942 		block_time = ENA_GET_SYSTEM_TIMEOUT_HIGH_RES(phc->system_time,  in ena_com_phc_get_timestamp()
1943 							     phc->block_timeout_usec);  in ena_com_phc_get_timestamp()
1946 			phc->stats.phc_skp++;  in ena_com_phc_get_timestamp()
1952 		if ((READ_ONCE16(read_resp->req_id) != phc->req_id) ||  in ena_com_phc_get_timestamp()
1957 			phc->stats.phc_err++;  in ena_com_phc_get_timestamp()
1960 			phc->stats.phc_exp++;  in ena_com_phc_get_timestamp()
1965 	phc->system_time = ENA_GET_SYSTEM_TIME_HIGH_RES();  in ena_com_phc_get_timestamp()
1966 	block_time = ENA_GET_SYSTEM_TIMEOUT_HIGH_RES(phc->system_time, phc->block_timeout_usec);  in ena_com_phc_get_timestamp()
1967 	expire_time = ENA_GET_SYSTEM_TIMEOUT_HIGH_RES(phc->system_time, phc->expire_timeout_usec);  in ena_com_phc_get_timestamp()
1970 	phc->req_id++;  in ena_com_phc_get_timestamp()
1975 	read_resp->req_id = phc->req_id + ENA_PHC_REQ_ID_OFFSET;  in ena_com_phc_get_timestamp()
1978 	ENA_REG_WRITE32(ena_dev->bus, phc->req_id, ena_dev->reg_bar + phc->doorbell_offset);  in ena_com_phc_get_timestamp()
1987 			phc->error_bound = ENA_PHC_MAX_ERROR_BOUND;  in ena_com_phc_get_timestamp()
1993 		if (READ_ONCE16(read_resp->req_id) != phc->req_id) {  in ena_com_phc_get_timestamp()
2007 			phc->error_bound = ENA_PHC_MAX_ERROR_BOUND;  in ena_com_phc_get_timestamp()
2016 		phc->error_bound = read_resp->error_bound;  in ena_com_phc_get_timestamp()
2019 		phc->stats.phc_cnt++;  in ena_com_phc_get_timestamp()
2022 		phc->system_time = zero_system_time;  in ena_com_phc_get_timestamp()
2027 	ENA_SPINLOCK_UNLOCK(phc->lock, flags);  in ena_com_phc_get_timestamp()
2034 	struct ena_com_phc_info *phc = &ena_dev->phc;  in ena_com_phc_get_error_bound()  local
2035 	u32 local_error_bound = phc->error_bound;  in ena_com_phc_get_error_bound()
2037 	if (!phc->active) {  in ena_com_phc_get_error_bound()