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authorOfir Bitton <obitton@habana.ai>2022-10-26 15:20:45 +0200
committerOded Gabbay <ogabbay@kernel.org>2022-11-23 15:13:46 +0100
commit841cd2d7658d92e09354640c1887797f0da3d444 (patch)
tree0fb4da1b5648a039c07d097c6898bc36934dd8f6 /drivers/misc/habanalabs/common/habanalabs_drv.c
parenthabanalabs: remove redundant gaudi2_sec asic type (diff)
downloadlinux-841cd2d7658d92e09354640c1887797f0da3d444.tar.xz
linux-841cd2d7658d92e09354640c1887797f0da3d444.zip
habanalabs/gaudi2: add PCI revision 2 support
Add support for Gaudi2 Device with PCI revision 2. Functionality is exactly the same as revision 1, the only difference is device name exposed to user. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs_drv.c')
-rw-r--r--drivers/misc/habanalabs/common/habanalabs_drv.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c
index e82af8989700..7815c60df54e 100644
--- a/drivers/misc/habanalabs/common/habanalabs_drv.c
+++ b/drivers/misc/habanalabs/common/habanalabs_drv.c
@@ -9,6 +9,7 @@
#define pr_fmt(fmt) "habanalabs: " fmt
#include "habanalabs.h"
+#include "../include/hw_ip/pci/pci_general.h"
#include <linux/pci.h>
#include <linux/aer.h>
@@ -74,16 +75,17 @@ MODULE_DEVICE_TABLE(pci, ids);
/*
* get_asic_type - translate device id to asic type
*
- * @device: id of the PCI device
+ * @hdev: pointer to habanalabs device structure.
*
- * Translate device id to asic type.
+ * Translate device id and revision id to asic type.
* In case of unidentified device, return -1
*/
-static enum hl_asic_type get_asic_type(u16 device)
+static enum hl_asic_type get_asic_type(struct hl_device *hdev)
{
- enum hl_asic_type asic_type;
+ struct pci_dev *pdev = hdev->pdev;
+ enum hl_asic_type asic_type = ASIC_INVALID;
- switch (device) {
+ switch (pdev->device) {
case PCI_IDS_GOYA:
asic_type = ASIC_GOYA;
break;
@@ -94,10 +96,18 @@ static enum hl_asic_type get_asic_type(u16 device)
asic_type = ASIC_GAUDI_SEC;
break;
case PCI_IDS_GAUDI2:
- asic_type = ASIC_GAUDI2;
+ switch (pdev->revision) {
+ case REV_ID_A:
+ asic_type = ASIC_GAUDI2;
+ break;
+ case REV_ID_B:
+ asic_type = ASIC_GAUDI2B;
+ break;
+ default:
+ break;
+ }
break;
default:
- asic_type = ASIC_INVALID;
break;
}
@@ -416,7 +426,7 @@ static int create_hdev(struct hl_device **dev, struct pci_dev *pdev)
/* First, we must find out which ASIC are we handling. This is needed
* to configure the behavior of the driver (kernel parameters)
*/
- hdev->asic_type = get_asic_type(pdev->device);
+ hdev->asic_type = get_asic_type(hdev);
if (hdev->asic_type == ASIC_INVALID) {
dev_err(&pdev->dev, "Unsupported ASIC\n");
rc = -ENODEV;