Merge branch 'hinic-add-SR-IOV-support'

Luo bin says:

====================
hinic: add SR-IOV support

patch #1 adds mailbox channel support and vf can
communicate with pf or hw through it.
patch #2 adds support for enabling vf and tx/rx
capabilities based on vf.
patch #3 adds support for vf's basic configurations.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/huawei/hinic/Makefile

@@ -4,4 +4,4 @@ obj-$(CONFIG_HINIC) += hinic.o
 hinic-y := hinic_main.o hinic_tx.o hinic_rx.o hinic_port.o hinic_hw_dev.o \
 	   hinic_hw_io.o hinic_hw_qp.o hinic_hw_cmdq.o hinic_hw_wq.o \
 	   hinic_hw_mgmt.o hinic_hw_api_cmd.o hinic_hw_eqs.o hinic_hw_if.o \
-	   hinic_common.o hinic_ethtool.o
+	   hinic_common.o hinic_ethtool.o hinic_hw_mbox.o hinic_sriov.o

drivers/net/ethernet/huawei/hinic/hinic_dev.h

@@ -16,13 +16,15 @@
 #include "hinic_hw_dev.h"
 #include "hinic_tx.h"
 #include "hinic_rx.h"
+#include "hinic_sriov.h"
 
 #define HINIC_DRV_NAME          "hinic"
 
 enum hinic_flags {
 	HINIC_LINK_UP = BIT(0),
 	HINIC_INTF_UP = BIT(1),
 	HINIC_RSS_ENABLE = BIT(2),
+	HINIC_LINK_DOWN = BIT(3),
 };
 
 struct hinic_rx_mode_work {
@@ -78,6 +80,7 @@ struct hinic_dev {
 	struct hinic_rss_type		rss_type;
 	u8				*rss_hkey_user;
 	s32				*rss_indir_user;
+	struct hinic_sriov_info sriov_info;
 };
 
 #endif

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c

@@ -64,7 +64,7 @@
 #define CMDQ_WQE_SIZE                   64
 #define CMDQ_DEPTH                      SZ_4K
 
-#define CMDQ_WQ_PAGE_SIZE               SZ_4K
+#define CMDQ_WQ_PAGE_SIZE               SZ_256K
 
 #define WQE_LCMD_SIZE                   64
 #define WQE_SCMD_SIZE                   64
@@ -705,7 +705,7 @@ static void cmdq_init_queue_ctxt(struct hinic_cmdq_ctxt *cmdq_ctxt,
 	/* The data in the HW is in Big Endian Format */
 	wq_first_page_paddr = be64_to_cpu(*wq->block_vaddr);
 
-	pfn = CMDQ_PFN(wq_first_page_paddr, wq->wq_page_size);
+	pfn = CMDQ_PFN(wq_first_page_paddr, SZ_4K);
 
 	ctxt_info->curr_wqe_page_pfn =
 		HINIC_CMDQ_CTXT_PAGE_INFO_SET(pfn, CURR_WQE_PAGE_PFN)   |
@@ -714,16 +714,19 @@ static void cmdq_init_queue_ctxt(struct hinic_cmdq_ctxt *cmdq_ctxt,
 		HINIC_CMDQ_CTXT_PAGE_INFO_SET(1, CEQ_EN)                |
 		HINIC_CMDQ_CTXT_PAGE_INFO_SET(cmdq->wrapped, WRAPPED);
 
-	/* block PFN - Read Modify Write */
-	cmdq_first_block_paddr = cmdq_pages->page_paddr;
+	if (wq->num_q_pages != 1) {
+		/* block PFN - Read Modify Write */
+		cmdq_first_block_paddr = cmdq_pages->page_paddr;
 
-	pfn = CMDQ_PFN(cmdq_first_block_paddr, wq->wq_page_size);
+		pfn = CMDQ_PFN(cmdq_first_block_paddr, wq->wq_page_size);
+	}
 
 	ctxt_info->wq_block_pfn =
 		HINIC_CMDQ_CTXT_BLOCK_INFO_SET(pfn, WQ_BLOCK_PFN) |
 		HINIC_CMDQ_CTXT_BLOCK_INFO_SET(atomic_read(&wq->cons_idx), CI);
 
 	cmdq_ctxt->func_idx = HINIC_HWIF_FUNC_IDX(cmdqs->hwif);
+	cmdq_ctxt->ppf_idx = HINIC_HWIF_PPF_IDX(cmdqs->hwif);
 	cmdq_ctxt->cmdq_type  = cmdq->cmdq_type;
 }
 
@@ -795,11 +798,6 @@ static int init_cmdqs_ctxt(struct hinic_hwdev *hwdev,
 	size_t cmdq_ctxts_size;
 	int err;
 
-	if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
-		dev_err(&pdev->dev, "Unsupported PCI function type\n");
-		return -EINVAL;
-	}
-
 	cmdq_ctxts_size = HINIC_MAX_CMDQ_TYPES * sizeof(*cmdq_ctxts);
 	cmdq_ctxts = devm_kzalloc(&pdev->dev, cmdq_ctxts_size, GFP_KERNEL);
 	if (!cmdq_ctxts)

drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h

@@ -122,7 +122,7 @@ struct hinic_cmdq_ctxt {
 
 	u16     func_idx;
 	u8      cmdq_type;
-	u8      rsvd1[1];
+	u8      ppf_idx;
 
 	u8      rsvd2[4];
 

drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h

@@ -10,7 +10,7 @@
 /* HW interface registers */
 #define HINIC_CSR_FUNC_ATTR0_ADDR                       0x0
 #define HINIC_CSR_FUNC_ATTR1_ADDR                       0x4
-
+#define HINIC_CSR_FUNC_ATTR2_ADDR			0x8
 #define HINIC_CSR_FUNC_ATTR4_ADDR                       0x10
 #define HINIC_CSR_FUNC_ATTR5_ADDR                       0x14