add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/misc/hpilo.c
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@@ -29,6 +29,13 @@
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 static unsigned int ilo_major;
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 static unsigned int max_ccb = 16;
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 static char ilo_hwdev[MAX_ILO_DEV];
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+static const struct pci_device_id ilo_blacklist[] = {
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+	/* auxiliary iLO */
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+	{PCI_DEVICE_SUB(PCI_VENDOR_ID_HP, 0x3307, PCI_VENDOR_ID_HP, 0x1979)},
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+	/* CL */
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+	{PCI_DEVICE_SUB(PCI_VENDOR_ID_HP, 0x3307, PCI_VENDOR_ID_HP_3PAR, 0x0289)},
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+	{}
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+};
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 static inline int get_entry_id(int entry)
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 {
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@@ -200,7 +207,7 @@
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 static inline int fifo_sz(int nr_entry)
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 {
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 	/* size of a fifo is determined by the number of entries it contains */
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-	return (nr_entry * sizeof(u64)) + FIFOHANDLESIZE;
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+	return nr_entry * sizeof(u64) + FIFOHANDLESIZE;
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 }
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 static void fifo_setup(void *base_addr, int nr_entry)
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@@ -249,7 +256,8 @@
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 	memset_io(device_ccb, 0, sizeof(struct ccb));
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 	/* free resources used to back send/recv queues */
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-	pci_free_consistent(pdev, data->dma_size, data->dma_va, data->dma_pa);
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+	dma_free_coherent(&pdev->dev, data->dma_size, data->dma_va,
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+			  data->dma_pa);
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 }
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 static int ilo_ccb_setup(struct ilo_hwinfo *hw, struct ccb_data *data, int slot)
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@@ -265,15 +273,13 @@
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 			 2 * desc_mem_sz(NR_QENTRY) +
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 			 ILO_START_ALIGN + ILO_CACHE_SZ;
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-	data->dma_va = pci_alloc_consistent(hw->ilo_dev, data->dma_size,
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-					    &data->dma_pa);
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+	data->dma_va = dma_alloc_coherent(&hw->ilo_dev->dev, data->dma_size,
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+					  &data->dma_pa, GFP_ATOMIC);
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 	if (!data->dma_va)
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 		return -ENOMEM;
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 	dma_va = (char *)data->dma_va;
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 	dma_pa = data->dma_pa;
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-
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-	memset(dma_va, 0, data->dma_size);
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 	dma_va = (char *)roundup((unsigned long)dma_va, ILO_START_ALIGN);
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 	dma_pa = roundup(dma_pa, ILO_START_ALIGN);
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@@ -763,9 +769,10 @@
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 	int devnum, minor, start, error = 0;
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 	struct ilo_hwinfo *ilo_hw;
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-	/* Ignore subsystem_device = 0x1979 (set by BIOS)  */
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-	if (pdev->subsystem_device == 0x1979)
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-		return 0;
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+	if (pci_match_id(ilo_blacklist, pdev)) {
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+		dev_dbg(&pdev->dev, "Not supported on this device\n");
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+		return -ENODEV;
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+	}
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 	if (max_ccb > MAX_CCB)
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 		max_ccb = MAX_CCB;