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Message-Id: <20200106190337.2428-7-logang@deltatee.com>
Date: Mon, 6 Jan 2020 12:03:31 -0700
From: Logan Gunthorpe <logang@...tatee.com>
To: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Kelvin.Cao@...rochip.com, Eric Pilmore <epilmore@...aio.com>,
Doug Meyer <dmeyer@...aio.com>,
Logan Gunthorpe <logang@...tatee.com>
Subject: [PATCH 06/12] PCI/switchtec: Introduce Generation Variable
Add a generation variable passed through the device id table.
This will allow us to add generation 4 and other devices after they are
functionally supported.
Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
---
drivers/pci/switch/switchtec.c | 66 ++++++++++++++++++----------------
include/linux/switchtec.h | 7 ++++
2 files changed, 42 insertions(+), 31 deletions(-)
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 05d4cb49219b..674c57c9ae4c 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1420,6 +1420,8 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
if (IS_ERR(stdev))
return PTR_ERR(stdev);
+ stdev->gen = id->driver_data;
+
rc = switchtec_init_pci(stdev, pdev);
if (rc)
goto err_put;
@@ -1467,7 +1469,7 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
put_device(&stdev->dev);
}
-#define SWITCHTEC_PCI_DEVICE(device_id) \
+#define SWITCHTEC_PCI_DEVICE(device_id, gen) \
{ \
.vendor = PCI_VENDOR_ID_MICROSEMI, \
.device = device_id, \
@@ -1475,6 +1477,7 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
.subdevice = PCI_ANY_ID, \
.class = (PCI_CLASS_MEMORY_OTHER << 8), \
.class_mask = 0xFFFFFFFF, \
+ .driver_data = gen, \
}, \
{ \
.vendor = PCI_VENDOR_ID_MICROSEMI, \
@@ -1483,39 +1486,40 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
.subdevice = PCI_ANY_ID, \
.class = (PCI_CLASS_BRIDGE_OTHER << 8), \
.class_mask = 0xFFFFFFFF, \
+ .driver_data = gen, \
}
static const struct pci_device_id switchtec_pci_tbl[] = {
- SWITCHTEC_PCI_DEVICE(0x8531), //PFX 24xG3
- SWITCHTEC_PCI_DEVICE(0x8532), //PFX 32xG3
- SWITCHTEC_PCI_DEVICE(0x8533), //PFX 48xG3
- SWITCHTEC_PCI_DEVICE(0x8534), //PFX 64xG3
- SWITCHTEC_PCI_DEVICE(0x8535), //PFX 80xG3
- SWITCHTEC_PCI_DEVICE(0x8536), //PFX 96xG3
- SWITCHTEC_PCI_DEVICE(0x8541), //PSX 24xG3
- SWITCHTEC_PCI_DEVICE(0x8542), //PSX 32xG3
- SWITCHTEC_PCI_DEVICE(0x8543), //PSX 48xG3
- SWITCHTEC_PCI_DEVICE(0x8544), //PSX 64xG3
- SWITCHTEC_PCI_DEVICE(0x8545), //PSX 80xG3
- SWITCHTEC_PCI_DEVICE(0x8546), //PSX 96xG3
- SWITCHTEC_PCI_DEVICE(0x8551), //PAX 24XG3
- SWITCHTEC_PCI_DEVICE(0x8552), //PAX 32XG3
- SWITCHTEC_PCI_DEVICE(0x8553), //PAX 48XG3
- SWITCHTEC_PCI_DEVICE(0x8554), //PAX 64XG3
- SWITCHTEC_PCI_DEVICE(0x8555), //PAX 80XG3
- SWITCHTEC_PCI_DEVICE(0x8556), //PAX 96XG3
- SWITCHTEC_PCI_DEVICE(0x8561), //PFXL 24XG3
- SWITCHTEC_PCI_DEVICE(0x8562), //PFXL 32XG3
- SWITCHTEC_PCI_DEVICE(0x8563), //PFXL 48XG3
- SWITCHTEC_PCI_DEVICE(0x8564), //PFXL 64XG3
- SWITCHTEC_PCI_DEVICE(0x8565), //PFXL 80XG3
- SWITCHTEC_PCI_DEVICE(0x8566), //PFXL 96XG3
- SWITCHTEC_PCI_DEVICE(0x8571), //PFXI 24XG3
- SWITCHTEC_PCI_DEVICE(0x8572), //PFXI 32XG3
- SWITCHTEC_PCI_DEVICE(0x8573), //PFXI 48XG3
- SWITCHTEC_PCI_DEVICE(0x8574), //PFXI 64XG3
- SWITCHTEC_PCI_DEVICE(0x8575), //PFXI 80XG3
- SWITCHTEC_PCI_DEVICE(0x8576), //PFXI 96XG3
+ SWITCHTEC_PCI_DEVICE(0x8531, SWITCHTEC_GEN3), //PFX 24xG3
+ SWITCHTEC_PCI_DEVICE(0x8532, SWITCHTEC_GEN3), //PFX 32xG3
+ SWITCHTEC_PCI_DEVICE(0x8533, SWITCHTEC_GEN3), //PFX 48xG3
+ SWITCHTEC_PCI_DEVICE(0x8534, SWITCHTEC_GEN3), //PFX 64xG3
+ SWITCHTEC_PCI_DEVICE(0x8535, SWITCHTEC_GEN3), //PFX 80xG3
+ SWITCHTEC_PCI_DEVICE(0x8536, SWITCHTEC_GEN3), //PFX 96xG3
+ SWITCHTEC_PCI_DEVICE(0x8541, SWITCHTEC_GEN3), //PSX 24xG3
+ SWITCHTEC_PCI_DEVICE(0x8542, SWITCHTEC_GEN3), //PSX 32xG3
+ SWITCHTEC_PCI_DEVICE(0x8543, SWITCHTEC_GEN3), //PSX 48xG3
+ SWITCHTEC_PCI_DEVICE(0x8544, SWITCHTEC_GEN3), //PSX 64xG3
+ SWITCHTEC_PCI_DEVICE(0x8545, SWITCHTEC_GEN3), //PSX 80xG3
+ SWITCHTEC_PCI_DEVICE(0x8546, SWITCHTEC_GEN3), //PSX 96xG3
+ SWITCHTEC_PCI_DEVICE(0x8551, SWITCHTEC_GEN3), //PAX 24XG3
+ SWITCHTEC_PCI_DEVICE(0x8552, SWITCHTEC_GEN3), //PAX 32XG3
+ SWITCHTEC_PCI_DEVICE(0x8553, SWITCHTEC_GEN3), //PAX 48XG3
+ SWITCHTEC_PCI_DEVICE(0x8554, SWITCHTEC_GEN3), //PAX 64XG3
+ SWITCHTEC_PCI_DEVICE(0x8555, SWITCHTEC_GEN3), //PAX 80XG3
+ SWITCHTEC_PCI_DEVICE(0x8556, SWITCHTEC_GEN3), //PAX 96XG3
+ SWITCHTEC_PCI_DEVICE(0x8561, SWITCHTEC_GEN3), //PFXL 24XG3
+ SWITCHTEC_PCI_DEVICE(0x8562, SWITCHTEC_GEN3), //PFXL 32XG3
+ SWITCHTEC_PCI_DEVICE(0x8563, SWITCHTEC_GEN3), //PFXL 48XG3
+ SWITCHTEC_PCI_DEVICE(0x8564, SWITCHTEC_GEN3), //PFXL 64XG3
+ SWITCHTEC_PCI_DEVICE(0x8565, SWITCHTEC_GEN3), //PFXL 80XG3
+ SWITCHTEC_PCI_DEVICE(0x8566, SWITCHTEC_GEN3), //PFXL 96XG3
+ SWITCHTEC_PCI_DEVICE(0x8571, SWITCHTEC_GEN3), //PFXI 24XG3
+ SWITCHTEC_PCI_DEVICE(0x8572, SWITCHTEC_GEN3), //PFXI 32XG3
+ SWITCHTEC_PCI_DEVICE(0x8573, SWITCHTEC_GEN3), //PFXI 48XG3
+ SWITCHTEC_PCI_DEVICE(0x8574, SWITCHTEC_GEN3), //PFXI 64XG3
+ SWITCHTEC_PCI_DEVICE(0x8575, SWITCHTEC_GEN3), //PFXI 80XG3
+ SWITCHTEC_PCI_DEVICE(0x8576, SWITCHTEC_GEN3), //PFXI 96XG3
{0}
};
MODULE_DEVICE_TABLE(pci, switchtec_pci_tbl);
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index b4ba3a38f30f..0963912c679d 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -32,6 +32,11 @@ enum {
SWITCHTEC_GAS_PFF_CSR_OFFSET = 0x134000,
};
+enum switchtec_gen {
+ SWITCHTEC_GEN3,
+ SWITCHTEC_GEN4,
+};
+
struct mrpc_regs {
u8 input_data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
u8 output_data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
@@ -358,6 +363,8 @@ struct switchtec_dev {
struct device dev;
struct cdev cdev;
+ enum switchtec_gen gen;
+
int partition;
int partition_count;
int pff_csr_count;
--
2.20.1
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