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| author | Oliver O'Halloran <oohall@gmail.com> | 2017-09-15 15:40:58 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-09-15 02:49:27 -0500 |
| commit | 9b886a44d993ade2f05f3a554a098c674bb7cd7f (patch) | |
| tree | 69cc1c95c1ec9f34ec02d73652d9401b5a0ea0ad /hdata/spira.h | |
| parent | ad484081ef8a51811e7902aec436fa8f1ca9604a (diff) | |
| download | skiboot-9b886a44d993ade2f05f3a554a098c674bb7cd7f.zip skiboot-9b886a44d993ade2f05f3a554a098c674bb7cd7f.tar.gz skiboot-9b886a44d993ade2f05f3a554a098c674bb7cd7f.tar.bz2 | |
hdata: Parse NVLink information
Add the per-chip structures that descibe how the A-Bus/NVLink/OpenCAPI
phy is configured. This generates the npu@xyz nodes for each chip on
systems that support it.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hdata/spira.h')
| -rw-r--r-- | hdata/spira.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hdata/spira.h b/hdata/spira.h index 8e8c74e..9b427cb 100644 --- a/hdata/spira.h +++ b/hdata/spira.h @@ -1151,6 +1151,35 @@ struct sppcrd_chip_tod { /* Idata index 5 : Chip attached I2C devices */ #define SPPCRD_IDATA_HOST_I2C 5 +/* Idata index 5 : Chip attached I2C devices */ +#define SPPCRD_IDATA_PNOR 6 + +/* Idata index 6 : OpenCAPI/NVlink info */ +#define SPPCRD_IDATA_SMP_LINK 7 +struct sppcrd_smp_link { + __be32 link_id; + __be32 usage; +#define SMP_LINK_USE_NONE 0 +#define SMP_LINK_USE_DEVICE 1 +#define SMP_LINK_USE_INTERPOSER 2 +#define SMP_LINK_USE_DRAWER 3 +#define SMP_LINK_USE_D2D 4 /* GPU to GPU */ + __be32 brick_id; + __be32 lane_mask; + + /* bonded pci slots (mostly a NVLink thing) */ + __be16 pci_slot_idx; + __be16 pci_sideband_slot_idx; + + __be16 slca_idx; /* SLCA index of the *external* port */ + __be16 reserved; + + /* nvlink/ocapi detection devices */ + __be32 i2c_link_cable; + __be32 i2c_presence; + __be32 i2c_micro; +} __packed; + /* * Host Services Data. */ |