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PCI/switchtec: Add support for Intercomm Notify and Upstream Error Containment

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Add support for the Inter Fabric Manager Communication (Intercomm) Notify
event in PAX variants of Switchtec hardware and the Upstream Error
Containment port in the MR1 release of Gen3 firmware.

Link: https://lore.kernel.org/r/20200106190337.2428-4-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Logan Gunthorpe 2020-01-06 12:03:28 -07:00 committed by Bjorn Helgaas
parent 9375646b4c
commit a6b0ef9a7d
3 changed files with 11 additions and 3 deletions
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3
drivers/pci/switch/switchtec.c
View File

@ -751,10 +751,13 @@ static const struct event_reg {
EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP, mrpc_comp_hdr),
EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP_ASYNC, mrpc_comp_async_hdr),
EV_PAR(SWITCHTEC_IOCTL_EVENT_DYN_PART_BIND_COMP, dyn_binding_hdr),
EV_PAR(SWITCHTEC_IOCTL_EVENT_INTERCOMM_REQ_NOTIFY,
intercomm_notify_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_AER_IN_P2P, aer_in_p2p_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_AER_IN_VEP, aer_in_vep_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_DPC, dpc_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_CTS, cts_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_UEC, uec_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_HOTPLUG, hotplug_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_IER, ier_hdr),
EV_PFF(SWITCHTEC_IOCTL_EVENT_THRESH, threshold_hdr),

7
include/linux/switchtec.h
View File

@ -196,7 +196,9 @@ struct part_cfg_regs {
u32 mrpc_comp_async_data[5];
u32 dyn_binding_hdr;
u32 dyn_binding_data[5];
u32 reserved4[159];
u32 intercomm_notify_hdr;
u32 intercomm_notify_data[5];
u32 reserved4[153];
} __packed;
enum {
@ -320,7 +322,8 @@ struct pff_csr_regs {
u32 dpc_data[5];
u32 cts_hdr;
u32 cts_data[5];
u32 reserved3[6];
u32 uec_hdr;
u32 uec_data[5];
u32 hotplug_hdr;
u32 hotplug_data[5];
u32 ier_hdr;

4
include/uapi/linux/switchtec_ioctl.h
View File

@ -98,7 +98,9 @@ struct switchtec_ioctl_event_summary {
#define SWITCHTEC_IOCTL_EVENT_CREDIT_TIMEOUT 27
#define SWITCHTEC_IOCTL_EVENT_LINK_STATE 28
#define SWITCHTEC_IOCTL_EVENT_GFMS 29
#define SWITCHTEC_IOCTL_MAX_EVENTS 30
#define SWITCHTEC_IOCTL_EVENT_INTERCOMM_REQ_NOTIFY 30
#define SWITCHTEC_IOCTL_EVENT_UEC 31
#define SWITCHTEC_IOCTL_MAX_EVENTS 32
#define SWITCHTEC_IOCTL_EVENT_LOCAL_PART_IDX -1
#define SWITCHTEC_IOCTL_EVENT_IDX_ALL -2