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lib: utils: Add Implementation ID and Version as RPMI MPXY attributes

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The latest frozen RPMI spec has added Implementation ID
and Implementation Version as message protocol specific
mpxy attributes. Add support for these.

Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250618053854.2577299-1-rpathak@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Rahul Pathak
2025-06-18 11:08:53 +05:30
committed by Anup Patel
parent 13abda5169
commit a5fdef45db
4 changed files with 30 additions and 1 deletions
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15
lib/utils/mpxy/fdt_mpxy_rpmi_mbox.c
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@@ -213,6 +213,7 @@ static int mpxy_mbox_send_message_withoutresp(struct sbi_mpxy_channel *channel,
int mpxy_rpmi_mbox_init(const void *fdt, int nodeoff, const struct fdt_match *match)
{
u32 channel_id, servicegrp_ver, pro_ver, max_data_len, tx_tout, rx_tout;
u32 impl_id, impl_ver;
const struct mpxy_rpmi_mbox_data *data = match->data;
struct mpxy_rpmi_mbox *rmb;
struct mbox_chan *chan;
@@ -270,6 +271,18 @@ int mpxy_rpmi_mbox_init(const void *fdt, int nodeoff, const struct fdt_match *ma
if (rc)
goto fail_free_chan;
/* Get channel implementation id */
rc = mbox_chan_get_attribute(chan, RPMI_CHANNEL_ATTR_IMPL_ID,
&impl_id);
if (rc)
goto fail_free_chan;
/* Get channel implementation version */
rc = mbox_chan_get_attribute(chan, RPMI_CHANNEL_ATTR_IMPL_VERSION,
&impl_ver);
if (rc)
goto fail_free_chan;
/*
* The "riscv,sbi-mpxy-channel-id" DT property is mandatory
* for MPXY RPMI mailbox client driver so if this is not
@@ -316,6 +329,8 @@ int mpxy_rpmi_mbox_init(const void *fdt, int nodeoff, const struct fdt_match *ma
/* RPMI service group attributes */
rmb->msgprot_attrs.servicegrp_id = data->servicegrp_id;
rmb->msgprot_attrs.servicegrp_ver = servicegrp_ver;
rmb->msgprot_attrs.impl_id = impl_id;
rmb->msgprot_attrs.impl_ver = impl_ver;
rmb->mbox_data = data;
rmb->chan = chan;