On Tue, Apr 01, 2025 at 09:44:09PM +1000, Nicholas Piggin wrote:
> This requires some adjustments to callers to avoid possible behaviour
> changes for PCI devices.
>
> Signed-off-by: Nicholas Piggin <[email protected]>
> ---
> include/hw/ipmi/ipmi.h | 5 +++++
> hw/acpi/ipmi.c | 2 +-
> hw/ipmi/isa_ipmi_bt.c | 1 +
> hw/ipmi/isa_ipmi_kcs.c | 1 +
> hw/ipmi/pci_ipmi_bt.c | 12 ++++++++++++
> hw/ipmi/pci_ipmi_kcs.c | 11 +++++++++++
> hw/smbios/smbios_type_38.c | 6 +++++-
> 7 files changed, 36 insertions(+), 2 deletions(-)
>
> diff --git a/include/hw/ipmi/ipmi.h b/include/hw/ipmi/ipmi.h
> index 77a7213ed93..71c4efac8cd 100644
> --- a/include/hw/ipmi/ipmi.h
> +++ b/include/hw/ipmi/ipmi.h
> @@ -90,6 +90,11 @@ typedef struct IPMIFwInfo {
> } memspace;
>
> int interrupt_number;
> + enum {
> + IPMI_NO_IRQ = 0,
> + IPMI_ISA_IRQ,
> + IPMI_PCI_IRQ,
> + } irq;
In addition to Phillippe's comment, can you name this "irq_source" to
make it clear what it is?
Overall this patch set looks good.
-corey
> enum {
> IPMI_LEVEL_IRQ,
> IPMI_EDGE_IRQ
> diff --git a/hw/acpi/ipmi.c b/hw/acpi/ipmi.c
> index a20e57d465c..c81cbd2f158 100644
> --- a/hw/acpi/ipmi.c
> +++ b/hw/acpi/ipmi.c
> @@ -55,7 +55,7 @@ static Aml *aml_ipmi_crs(IPMIFwInfo *info)
> abort();
> }
>
> - if (info->interrupt_number) {
> + if (info->irq == IPMI_ISA_IRQ && info->interrupt_number) {
> aml_append(crs, aml_irq_no_flags(info->interrupt_number));
> }
>
> diff --git a/hw/ipmi/isa_ipmi_bt.c b/hw/ipmi/isa_ipmi_bt.c
> index a1b66d5ee82..b5556436b82 100644
> --- a/hw/ipmi/isa_ipmi_bt.c
> +++ b/hw/ipmi/isa_ipmi_bt.c
> @@ -49,6 +49,7 @@ static void isa_ipmi_bt_get_fwinfo(struct IPMIInterface
> *ii, IPMIFwInfo *info)
> ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
>
> ipmi_bt_get_fwinfo(&iib->bt, info);
> + info->irq = IPMI_ISA_IRQ;
> info->interrupt_number = iib->isairq;
> info->i2c_slave_address = iib->bt.bmc->slave_addr;
> info->uuid = iib->uuid;
> diff --git a/hw/ipmi/isa_ipmi_kcs.c b/hw/ipmi/isa_ipmi_kcs.c
> index d9ebdd5371f..326115f51bb 100644
> --- a/hw/ipmi/isa_ipmi_kcs.c
> +++ b/hw/ipmi/isa_ipmi_kcs.c
> @@ -49,6 +49,7 @@ static void isa_ipmi_kcs_get_fwinfo(IPMIInterface *ii,
> IPMIFwInfo *info)
> ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
>
> ipmi_kcs_get_fwinfo(&iik->kcs, info);
> + info->irq = IPMI_ISA_IRQ;
> info->interrupt_number = iik->isairq;
> info->uuid = iik->uuid;
> }
> diff --git a/hw/ipmi/pci_ipmi_bt.c b/hw/ipmi/pci_ipmi_bt.c
> index a3b742d22c9..33ff7190ee8 100644
> --- a/hw/ipmi/pci_ipmi_bt.c
> +++ b/hw/ipmi/pci_ipmi_bt.c
> @@ -38,6 +38,17 @@ struct PCIIPMIBTDevice {
> uint32_t uuid;
> };
>
> +static void pci_ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo
> *info)
> +{
> + PCIIPMIBTDevice *pib = PCI_IPMI_BT(ii);
> +
> + ipmi_bt_get_fwinfo(&pib->bt, info);
> + info->irq = IPMI_PCI_IRQ;
> + info->interrupt_number = pci_intx(&pib->dev);
> + info->i2c_slave_address = pib->bt.bmc->slave_addr;
> + info->uuid = pib->uuid;
> +}
> +
> static void pci_ipmi_raise_irq(IPMIBT *ib)
> {
> PCIIPMIBTDevice *pib = ib->opaque;
> @@ -125,6 +136,7 @@ static void pci_ipmi_bt_class_init(ObjectClass *oc, void
> *data)
>
> iic->get_backend_data = pci_ipmi_bt_get_backend_data;
> ipmi_bt_class_init(iic);
> + iic->get_fwinfo = pci_ipmi_bt_get_fwinfo;
> }
>
> static const TypeInfo pci_ipmi_bt_info = {
> diff --git a/hw/ipmi/pci_ipmi_kcs.c b/hw/ipmi/pci_ipmi_kcs.c
> index 05ba97ec58f..6673b2088ef 100644
> --- a/hw/ipmi/pci_ipmi_kcs.c
> +++ b/hw/ipmi/pci_ipmi_kcs.c
> @@ -38,6 +38,16 @@ struct PCIIPMIKCSDevice {
> uint32_t uuid;
> };
>
> +static void pci_ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo
> *info)
> +{
> + PCIIPMIKCSDevice *pik = PCI_IPMI_KCS(ii);
> +
> + ipmi_kcs_get_fwinfo(&pik->kcs, info);
> + info->irq = IPMI_PCI_IRQ;
> + info->interrupt_number = pci_intx(&pik->dev);
> + info->uuid = pik->uuid;
> +}
> +
> static void pci_ipmi_raise_irq(IPMIKCS *ik)
> {
> PCIIPMIKCSDevice *pik = ik->opaque;
> @@ -125,6 +135,7 @@ static void pci_ipmi_kcs_class_init(ObjectClass *oc, void
> *data)
>
> iic->get_backend_data = pci_ipmi_kcs_get_backend_data;
> ipmi_kcs_class_init(iic);
> + iic->get_fwinfo = pci_ipmi_kcs_get_fwinfo;
> }
>
> static const TypeInfo pci_ipmi_kcs_info = {
> diff --git a/hw/smbios/smbios_type_38.c b/hw/smbios/smbios_type_38.c
> index 168b886647d..2823929c258 100644
> --- a/hw/smbios/smbios_type_38.c
> +++ b/hw/smbios/smbios_type_38.c
> @@ -72,7 +72,11 @@ static void smbios_build_one_type_38(IPMIFwInfo *info)
> " SMBIOS, ignoring this entry.",
> info->register_spacing);
> return;
> }
> - t->interrupt_number = info->interrupt_number;
> + if (info->irq == IPMI_ISA_IRQ) {
> + t->interrupt_number = info->interrupt_number;
> + } else {
> + t->interrupt_number = 0;
> + }
>
> SMBIOS_BUILD_TABLE_POST;
> }
> --
> 2.47.1
>
