ia64/ia64/sapic.c

72 	struct sapic *sa;
76 		sa = ia64_sapics[i];
77 		if (irq >= sa->sa_base && irq <= sa->sa_limit)
78 			return sa;
85 sapic_read(struct sapic *sa, int which)
87 	vaddr_t reg = sa->sa_registers;
95 sapic_write(struct sapic *sa, int which, uint32_t value)
97 	vaddr_t reg = sa->sa_registers;
106 sapic_read_rte(struct sapic *sa, int which, struct sapic_rte *rte)
110 	p[0] = sapic_read(sa, SAPIC_RTE_BASE + 2 * which);
111 	p[1] = sapic_read(sa, SAPIC_RTE_BASE + 2 * which + 1);
115 sapic_write_rte(struct sapic *sa, int which, struct sapic_rte *rte)
119 	sapic_write(sa, SAPIC_RTE_BASE + 2 * which, p[0]);
120 	sapic_write(sa, SAPIC_RTE_BASE + 2 * which + 1, p[1]);
127 	struct sapic *sa;
129 	sa = sapic_lookup(irq);
130 	if (sa == NULL)
133 	mutex_enter(&sa->sa_mtx);
134 	sapic_read_rte(sa, irq - sa->sa_base, &rte);
137 	sapic_write_rte(sa, irq - sa->sa_base, &rte);
138 	mutex_exit(&sa->sa_mtx);
146 	struct sapic *sa;
149 	sa = malloc(sizeof(struct sapic), M_SAPIC, M_ZERO | M_NOWAIT);
150 	if (sa == NULL)
153 	sa->sa_id = id;
154 	sa->sa_base = base;
155 	sa->sa_registers = IA64_PHYS_TO_RR6(address);
157 	mutex_init(&sa->sa_mtx, MUTEX_SPIN, IPL_HIGH);
159 	sa->sa_limit = base + ((sapic_read(sa, SAPIC_VERSION) >> 16) & 0xff);
161 	ia64_sapics[ia64_sapic_count++] = sa;
170 	for (i = base; i <= sa->sa_limit; i++) {
175 		sapic_write_rte(sa, i - base, &rte);
178 	return sa;
182 sapic_enable(struct sapic *sa, u_int irq, u_int vector)
187 	mutex_enter(&sa->sa_mtx);
188 	sapic_read_rte(sa, irq - sa->sa_base, &rte);
194 	sapic_write_rte(sa, irq - sa->sa_base, &rte);
195 	mutex_exit(&sa->sa_mtx);
200 sapic_eoi(struct sapic *sa, u_int vector)
202 	vaddr_t reg = sa->sa_registers;
210 sapic_mask(struct sapic *sa, u_int irq)
214 	mutex_enter(&sa->sa_mtx);
215 	sapic_read_rte(sa, irq - sa->sa_base, &rte);
217 	sapic_write_rte(sa, irq - sa->sa_base, &rte);
218 	mutex_exit(&sa->sa_mtx);
223 sapic_unmask(struct sapic *sa, u_int irq)
227 	mutex_enter(&sa->sa_mtx);
228 	sapic_read_rte(sa, irq - sa->sa_base, &rte);
230 	sapic_write_rte(sa, irq - sa->sa_base, &rte);
231 	mutex_exit(&sa->sa_mtx);
240 sapic_print(struct sapic *sa, u_int irq)
244 	db_printf("sapic=%u, irq=%u: ", sa->sa_id, irq);
245 	sapic_read_rte(sa, irq - sa->sa_base, &rte);