dev/pci/pci.c

901 			cfg->msi.msi_location = ptr;
902 			cfg->msi.msi_ctrl = REG(ptr + PCIR_MSI_CTRL, 2);
903 			cfg->msi.msi_msgnum = 1 << ((cfg->msi.msi_ctrl &
1771 	if (cfg->msi.msi_alloc != 0 || cfg->msix.msix_alloc != 0)
2297 	struct pcicfg_msi *msi = &dinfo->cfg.msi;
2300 	pci_write_config(child, msi->msi_location + PCIR_MSI_ADDR,
2302 	if (msi->msi_ctrl & PCIM_MSICTRL_64BIT) {
2303 		pci_write_config(child, msi->msi_location + PCIR_MSI_ADDR_HIGH,
2305 		pci_write_config(child, msi->msi_location + PCIR_MSI_DATA_64BIT,
2308 		pci_write_config(child, msi->msi_location + PCIR_MSI_DATA, data,
2312 	msi->msi_ctrl |= PCIM_MSICTRL_MSI_ENABLE;
2313 	pci_write_config(child, msi->msi_location + PCIR_MSI_CTRL,
2314 	    msi->msi_ctrl, 2);
2324 	struct pcicfg_msi *msi = &dinfo->cfg.msi;
2330 	msi->msi_ctrl &= ~PCIM_MSICTRL_MSI_ENABLE;
2331 	pci_write_config(child, msi->msi_location + PCIR_MSI_CTRL,
2332 	    msi->msi_ctrl, 2);
2344 	struct pcicfg_msi *msi = &dinfo->cfg.msi;
2348 	if (msi->msi_ctrl & PCIM_MSICTRL_MSI_ENABLE) {
2349 		address = msi->msi_addr;
2350 		data = msi->msi_data;
2351 		pci_write_config(dev, msi->msi_location + PCIR_MSI_ADDR,
2353 		if (msi->msi_ctrl & PCIM_MSICTRL_64BIT) {
2354 			pci_write_config(dev, msi->msi_location +
2356 			pci_write_config(dev, msi->msi_location +
2359 			pci_write_config(dev, msi->msi_location + PCIR_MSI_DATA,
2362 	pci_write_config(dev, msi->msi_location + PCIR_MSI_CTRL, msi->msi_ctrl,
2383 	if (cfg->msi.msi_alloc > 0) {
2386 		if (cfg->msi.msi_handlers == 0)
2388 		for (i = 0; i < cfg->msi.msi_alloc; i++) {
2397 				dinfo->cfg.msi.msi_addr = addr;
2398 				dinfo->cfg.msi.msi_data = data;
2552 	if (cfg->msi.msi_alloc != 0 || cfg->msix.msix_alloc != 0)
2560 	if (cfg->msi.msi_location == 0 || !pci_do_msi)
2566 		    *count, cfg->msi.msi_msgnum);
2569 	actual = min(*count, cfg->msi.msi_msgnum);
2639 	ctrl = cfg->msi.msi_ctrl;
2642 	cfg->msi.msi_ctrl = ctrl;
2643 	pci_write_config(child, cfg->msi.msi_location + PCIR_MSI_CTRL, ctrl, 2);
2646 	cfg->msi.msi_alloc = actual;
2647 	cfg->msi.msi_handlers = 0;
2657 	struct pcicfg_msi *msi = &dinfo->cfg.msi;
2667 	if (msi->msi_alloc == 0)
2669 	KASSERT(msi->msi_alloc <= 32, ("more than 32 alloc'd messages"));
2672 	if (msi->msi_handlers > 0)
2674 	for (i = 0; i < msi->msi_alloc; i++) {
2683 	KASSERT(!(msi->msi_ctrl & PCIM_MSICTRL_MSI_ENABLE),
2685 	msi->msi_ctrl &= ~PCIM_MSICTRL_MME_MASK;
2686 	pci_write_config(child, msi->msi_location + PCIR_MSI_CTRL,
2687 	    msi->msi_ctrl, 2);
2690 	PCIB_RELEASE_MSI(device_get_parent(dev), child, msi->msi_alloc, irqs);
2691 	for (i = 0; i < msi->msi_alloc; i++)
2695 	msi->msi_alloc = 0;
2696 	msi->msi_addr = 0;
2697 	msi->msi_data = 0;
2711 	struct pcicfg_msi *msi = &dinfo->cfg.msi;
2713 	if (pci_do_msi && msi->msi_location != 0)
2714 		return (msi->msi_msgnum);
2974 		if (cfg->msi.msi_location) {
2977 			ctrl = cfg->msi.msi_ctrl;
2979 			    cfg->msi.msi_msgnum,
2980 			    (cfg->msi.msi_msgnum == 1) ? "" : "s",
4708 		if (dinfo->cfg.msi.msi_alloc > 0) {
4709 			if (dinfo->cfg.msi.msi_addr == 0) {
4710 				KASSERT(dinfo->cfg.msi.msi_handlers == 0,
4716 				dinfo->cfg.msi.msi_addr = addr;
4717 				dinfo->cfg.msi.msi_data = data;
4719 			if (dinfo->cfg.msi.msi_handlers == 0)
4720 				pci_enable_msi(child, dinfo->cfg.msi.msi_addr,
4721 				    dinfo->cfg.msi.msi_data);
4722 			dinfo->cfg.msi.msi_handlers++;
4811 		if (dinfo->cfg.msi.msi_alloc > 0) {
4812 			KASSERT(rid <= dinfo->cfg.msi.msi_alloc,
4814 			if (dinfo->cfg.msi.msi_handlers == 0)
4816 			dinfo->cfg.msi.msi_handlers--;
4817 			if (dinfo->cfg.msi.msi_handlers == 0)
5027 	if (dinfo->cfg.msi.msi_alloc != 0 || dinfo->cfg.msix.msix_alloc != 0) {
5486 		if (*rid == 0 && (cfg->msi.msi_alloc > 0 ||
6026 	if (dinfo->cfg.msi.msi_location != 0)