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path: root/drivers/scsi/arcmsr/arcmsr_hba.c
AgeCommit message (Expand)Author
2020-10-23Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
2020-10-07scsi: arcmsr: Add support for ARC-1886 series RAID controllersching Huang
2020-10-07scsi: arcmsr: Fix device hot-plug monitoring timer stopching Huang
2020-10-07scsi: arcmsr: Remove unnecessary syntaxching Huang
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva
2020-07-24scsi: arcmsr: arcmsr_hba: Remove statement with no effectLee Jones
2020-07-15scsi: arcmsr: Remove some set but unused variablesLee Jones
2020-04-02Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
2020-03-24scsi: simplify scsi_partsizeChristoph Hellwig
2020-03-11scsi: docs: convert arcmsr_spec.txt to ReSTMauro Carvalho Chehab
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig
2019-11-19scsi: arcmsr: fix indentation issuesColin Ian King
2019-01-22scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_B part 2Ching Huang
2019-01-22scsi: arcmsr: Use dma_alloc_coherent to replace dma_zalloc_coherentChing Huang
2019-01-08scsi: arcmsr: Fix suspend/resume of ACB_ADAPTER_TYPE_BChing Huang
2019-01-08scsi: arcmsr: Separate 'set dma mask' as a functionChing Huang
2019-01-08scsi: arcmsr: Add an option of set dma_mask_64 for ACB_ADAPTER_TYPE_AChing Huang
2019-01-08scsi: arcmsr: Update ACB_ADAPTER_TYPE_D for >4GB ccb addressingChing Huang
2019-01-08scsi: arcmsr: Update ACB_ADAPTER_TYPE_C for >4GB ccb addressingChing Huang
2019-01-08scsi: arcmsr: Update ACB_ADAPTER_TYPE_B for >4GB ccb addressingChing Huang
2019-01-08scsi: arcmsr: Update ACB_ADAPTER_TYPE_A for >4GB ccb addressingChing Huang
2019-01-08scsi: arcmsr: Update arcmsr_alloc_ccb_pool for ccb buffer address above 4GBChing Huang
2019-01-08scsi: arcmsr: Merge arcmsr_alloc_io_queue to arcmsr_alloc_ccb_poolChing Huang
2019-01-08scsi: arcmsr: Rename arcmsr_free_mu to arcmsr_free_io_queueChing Huang
2019-01-08scsi: arcmsr: Rename acb structure member roundup_ccbsize to ioqueue_sizeChing Huang
2018-12-18scsi: flip the default on use_clusteringChristoph Hellwig
2018-11-15scsi: arcmsr: use dma_set_maskChristoph Hellwig
2018-10-16scsi: arcmsr: Remove set but not used variables 'id, lun'YueHaibing
2018-10-10scsi: arcmsr: clean up clang warning on extraneous parenthesesColin Ian King
2018-09-11scsi: arcmsr: Spelling s/rebulid/rebuild/Geert Uytterhoeven
2018-07-12scsi: arcmsr: Fix error of resuming from hibernation for adapter type EChing Huang
2018-03-21scsi: arcmsr: Sleep to avoid CPU stuck too long for waiting adapter readyChing Huang
2018-03-21scsi: arcmsr: Handle adapter removed due to thunderbolt cable disconnection.Ching Huang
2018-01-22scsi: arcmsr: avoid do_gettimeofdayArnd Bergmann
2017-12-20scsi: arcmsr: simplify arcmsr_request_device_map routineChing Huang
2017-12-20scsi: arcmsr: simplify all arcmsr_hbaX_get_config routine by call a new get_a...Ching Huang
2017-12-20scsi: arcmsr: simplify arcmsr_hbaE_get_config functionChing Huang
2017-12-20scsi: arcmsr: waiting for iop firmware ready before issue get_config command ...Ching Huang
2017-12-20scsi: arcmsr: simplify arcmsr_hbaC_get_config functionChing Huang
2017-12-11scsi: arcmsr: remove redundant check for secs < 0Colin Ian King
2017-12-06scsi: arcmsr: Fix command result for CHECK_CONDITIONChing Huang
2017-12-06scsi: arcmsr: Add driver module parameter msix_enableChing Huang
2017-12-06scsi: arcmsr: Add driver module parameter msi_enableChing Huang
2017-12-06scsi: arcmsr: Fix grammarChing Huang
2017-12-06scsi: arcmsr: Adjust whitespaceChing Huang
2017-12-06scsi: arcmsr: Spin off duplicate codeChing Huang
2017-12-06scsi: arcmsr: Fix clear doorbell queue on ACB_ADAPTER_TYPE_BChing Huang
2017-12-06scsi: arcmsr: Add a function to set date and time to firmwareChing Huang
2017-12-06scsi: arcmsr: Add ACB_F_MSG_GET_CONFIG to acb->acb_flagsChing Huang
2017-12-06scsi: arcmsr: Add driver option cmd_per_lunChing Huang
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 14:30:17 +0000
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#define pr_fmt(fmt)	"OF: " fmt

#include <linux/device.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/pci.h>
#include <linux/pci_regs.h>
#include <linux/sizes.h>
#include <linux/slab.h>
#include <linux/string.h>

/* Max address size we deal with */
#define OF_MAX_ADDR_CELLS	4
#define OF_CHECK_ADDR_COUNT(na)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)
#define OF_CHECK_COUNTS(na, ns)	(OF_CHECK_ADDR_COUNT(na) && (ns) > 0)

static struct of_bus *of_match_bus(struct device_node *np);
static int __of_address_to_resource(struct device_node *dev,
		const __be32 *addrp, u64 size, unsigned int flags,
		const char *name, struct resource *r);

/* Debug utility */
#ifdef DEBUG
static void of_dump_addr(const char *s, const __be32 *addr, int na)
{
	pr_debug("%s", s);
	while (na--)
		pr_cont(" %08x", be32_to_cpu(*(addr++)));
	pr_cont("\n");
}
#else
static void of_dump_addr(const char *s, const __be32 *addr, int na) { }
#endif

/* Callbacks for bus specific translators */
struct of_bus {
	const char	*name;
	const char	*addresses;
	int		(*match)(struct device_node *parent);
	void		(*count_cells)(struct device_node *child,
				       int *addrc, int *sizec);
	u64		(*map)(__be32 *addr, const __be32 *range,
				int na, int ns, int pna);
	int		(*translate)(__be32 *addr, u64 offset, int na);
	unsigned int	(*get_flags)(const __be32 *addr);
};

/*
 * Default translator (generic bus)
 */

static void of_bus_default_count_cells(struct device_node *dev,
				       int *addrc, int *sizec)
{
	if (addrc)
		*addrc = of_n_addr_cells(dev);
	if (sizec)
		*sizec = of_n_size_cells(dev);
}

static u64 of_bus_default_map(__be32 *addr, const __be32 *range,
		int na, int ns, int pna)
{
	u64 cp, s, da;

	cp = of_read_number(range, na);
	s  = of_read_number(range + na + pna, ns);
	da = of_read_number(addr, na);

	pr_debug("default map, cp=%llx, s=%llx, da=%llx\n",
		 (unsigned long long)cp, (unsigned long long)s,
		 (unsigned long long)da);

	if (da < cp || da >= (cp + s))
		return OF_BAD_ADDR;
	return da - cp;
}

static int of_bus_default_translate(__be32 *addr, u64 offset, int na)
{
	u64 a = of_read_number(addr, na);
	memset(addr, 0, na * 4);
	a += offset;
	if (na > 1)
		addr[na - 2] = cpu_to_be32(a >> 32);
	addr[na - 1] = cpu_to_be32(a & 0xffffffffu);

	return 0;
}

static unsigned int of_bus_default_get_flags(const __be32 *addr)
{
	return IORESOURCE_MEM;
}

#ifdef CONFIG_OF_ADDRESS_PCI
/*
 * PCI bus specific translator
 */

static int of_bus_pci_match(struct device_node *np)
{
	/*
 	 * "pciex" is PCI Express
	 * "vci" is for the /chaos bridge on 1st-gen PCI powermacs
	 * "ht" is hypertransport
	 */
	return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex") ||
		!strcmp(np->type, "vci") || !strcmp(np->type, "ht");
}

static void of_bus_pci_count_cells(struct device_node *np,
				   int *addrc, int *sizec)
{
	if (addrc)
		*addrc = 3;
	if (sizec)
		*sizec = 2;
}

static unsigned int of_bus_pci_get_flags(const __be32 *addr)
{
	unsigned int flags = 0;
	u32 w = be32_to_cpup(addr);

	switch((w >> 24) & 0x03) {
	case 0x01:
		flags |= IORESOURCE_IO;
		break;
	case 0x02: /* 32 bits */
	case 0x03: /* 64 bits */
		flags |= IORESOURCE_MEM;
		break;
	}
	if (w & 0x40000000)
		flags |= IORESOURCE_PREFETCH;
	return flags;
}

static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int