54 		   struct ehca_eq *eq,  in ehca_create_eq()  argument
64 	spin_lock_init(&eq->spinlock);  in ehca_create_eq()
65 	spin_lock_init(&eq->irq_spinlock);  in ehca_create_eq()
66 	eq->is_initialized = 0;  in ehca_create_eq()
69 		ehca_err(ib_dev, "Invalid EQ type %x. eq=%p", type, eq);  in ehca_create_eq()
73 		ehca_err(ib_dev, "EQ length must not be zero. eq=%p", eq);  in ehca_create_eq()
78 					 &eq->pf,  in ehca_create_eq()
81 					 &eq->ipz_eq_handle,  in ehca_create_eq()
82 					 &eq->length,  in ehca_create_eq()
83 					 &nr_pages, &eq->ist);  in ehca_create_eq()
86 		ehca_err(ib_dev, "Can't allocate EQ/NEQ. eq=%p", eq);  in ehca_create_eq()
90 	ret = ipz_queue_ctor(NULL, &eq->ipz_queue, nr_pages,  in ehca_create_eq()
93 		ehca_err(ib_dev, "Can't allocate EQ pages eq=%p", eq);  in ehca_create_eq()
100 		vpage = ipz_qpageit_get_inc(&eq->ipz_queue);  in ehca_create_eq()
106 						 eq->ipz_eq_handle,  in ehca_create_eq()
107 						 &eq->pf,  in ehca_create_eq()
112 			vpage = ipz_qpageit_get_inc(&eq->ipz_queue);  in ehca_create_eq()
121 	ipz_qeit_reset(&eq->ipz_queue);  in ehca_create_eq()
125 		tasklet_init(&eq->interrupt_task, ehca_tasklet_eq, (long)shca);  in ehca_create_eq()
127 		ret = ibmebus_request_irq(eq->ist, ehca_interrupt_eq,  in ehca_create_eq()
133 		tasklet_init(&eq->interrupt_task, ehca_tasklet_neq, (long)shca);  in ehca_create_eq()
135 		ret = ibmebus_request_irq(eq->ist, ehca_interrupt_neq,  in ehca_create_eq()
142 	eq->is_initialized = 1;  in ehca_create_eq()
147 	ipz_queue_dtor(NULL, &eq->ipz_queue);  in ehca_create_eq()
150 	hipz_h_destroy_eq(shca->ipz_hca_handle, eq);  in ehca_create_eq()
155 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq)  in ehca_poll_eq()  argument
160 	spin_lock_irqsave(&eq->spinlock, flags);  in ehca_poll_eq()
161 	eqe = ipz_eqit_eq_get_inc_valid(&eq->ipz_queue);  in ehca_poll_eq()
162 	spin_unlock_irqrestore(&eq->spinlock, flags);  in ehca_poll_eq()
167 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq)  in ehca_destroy_eq()  argument
172 	ibmebus_free_irq(eq->ist, (void *)shca);  in ehca_destroy_eq()
175 	eq->is_initialized = 0;  in ehca_destroy_eq()
178 	tasklet_kill(&eq->interrupt_task);  in ehca_destroy_eq()
180 	h_ret = hipz_h_destroy_eq(shca->ipz_hca_handle, eq);  in ehca_destroy_eq()
186 	ipz_queue_dtor(NULL, &eq->ipz_queue);  in ehca_destroy_eq()