habanalabs: expose card name in INFO IOCTL

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 <[email protected]>
mrchapp · Nov 21, 2019 · 91edbf2 · 91edbf2
1 parent 8d6de52
commit 91edbf2
Show file tree

Hide file tree

Showing 3 changed files with 12 additions and 2 deletions.
diff --git 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
@@ -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
@@ -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 {