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Subject[PATCH] habanalabs: expose card name in INFO IOCTL
Date
To enable userspace processes, e.g. management utilities, to display the
card name to the user, add the card name property to the HW_IP
structure that is copied to the user in the INFO IOCTL.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/goya/goya.c | 3 +++
drivers/misc/habanalabs/habanalabs_ioctl.c | 9 +++++++--
include/uapi/misc/habanalabs.h | 2 ++
3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index e8812154343f..d3ee9e2aa57e 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -396,6 +396,9 @@ void goya_get_fixed_properties(struct hl_device *hdev)
prop->tpc_enabled_mask = TPC_ENABLED_MASK;
prop->pcie_dbi_base_address = mmPCIE_DBI_BASE;
prop->pcie_aux_dbi_reg_addr = CFG_BASE + mmPCIE_AUX_DBI;
+
+ strncpy(prop->armcp_info.card_name, GOYA_DEFAULT_CARD_NAME,
+ CARD_NAME_MAX_LEN);
}

/*
diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c
index cd4b5a9ceac1..02d7491fa28f 100644
--- a/drivers/misc/habanalabs/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/habanalabs_ioctl.c
@@ -63,8 +63,13 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args)
if (hw_ip.dram_size > 0)
hw_ip.dram_enabled = 1;
hw_ip.num_of_events = prop->num_of_events;
- memcpy(hw_ip.armcp_version,
- prop->armcp_info.armcp_version, VERSION_MAX_LEN);
+
+ memcpy(hw_ip.armcp_version, prop->armcp_info.armcp_version,
+ min(VERSION_MAX_LEN, HL_INFO_VERSION_MAX_LEN));
+
+ memcpy(hw_ip.card_name, prop->armcp_info.card_name,
+ min(CARD_NAME_MAX_LEN, HL_INFO_CARD_NAME_MAX_LEN));
+
hw_ip.armcp_cpld_version = le32_to_cpu(prop->armcp_info.cpld_version);
hw_ip.psoc_pci_pll_nr = prop->psoc_pci_pll_nr;
hw_ip.psoc_pci_pll_nf = prop->psoc_pci_pll_nf;
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index 783793c8be1c..e387d9e560b3 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -109,6 +109,7 @@ enum hl_device_status {
#define HL_INFO_CLK_RATE 8

#define HL_INFO_VERSION_MAX_LEN 128
+#define HL_INFO_CARD_NAME_MAX_LEN 16

struct hl_info_hw_ip_info {
__u64 sram_base_address;
@@ -127,6 +128,7 @@ struct hl_info_hw_ip_info {
__u8 dram_enabled;
__u8 pad[2];
__u8 armcp_version[HL_INFO_VERSION_MAX_LEN];
+ __u8 card_name[HL_INFO_CARD_NAME_MAX_LEN];
};

struct hl_info_dram_usage {
--
2.17.1
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