mvsas.c - Marvell 88SE6440 SAS/SATA support
Copyright 2007 Red Hat, Inc.
+ Copyright 2008 Marvell. <kewei@marvell.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include <scsi/libsas.h>
#include <asm/io.h>
-#define DRV_NAME "mvsas"
-#define DRV_VERSION "0.1"
+#define DRV_NAME "mvsas"
+#define DRV_VERSION "0.5"
+#define _MV_DUMP 0
+#define MVS_DISABLE_NVRAM
+#define MVS_DISABLE_MSI
#define mr32(reg) readl(regs + MVS_##reg)
#define mw32(reg,val) writel((val), regs + MVS_##reg)
-#define mw32_f(reg,val) do { \
+#define mw32_f(reg,val) do { \
writel((val), regs + MVS_##reg); \
readl(regs + MVS_##reg); \
} while (0)
+#define MVS_ID_NOT_MAPPED 0xff
+#define MVS_CHIP_SLOT_SZ (1U << mvi->chip->slot_width)
+
+/* offset for D2H FIS in the Received FIS List Structure */
+#define SATA_RECEIVED_D2H_FIS(reg_set) \
+ ((void *) mvi->rx_fis + 0x400 + 0x100 * reg_set + 0x40)
+#define SATA_RECEIVED_PIO_FIS(reg_set) \
+ ((void *) mvi->rx_fis + 0x400 + 0x100 * reg_set + 0x20)
+#define UNASSOC_D2H_FIS(id) \
+ ((void *) mvi->rx_fis + 0x100 * id)
+
+#define for_each_phy(__lseq_mask, __mc, __lseq, __rest) \
+ for ((__mc) = (__lseq_mask), (__lseq) = 0; \
+ (__mc) != 0 && __rest; \
+ (++__lseq), (__mc) >>= 1)
+
/* driver compile-time configuration */
enum driver_configuration {
MVS_TX_RING_SZ = 1024, /* TX ring size (12-bit) */
MVS_SLOTS = 512, /* command slots */
MVS_SLOT_BUF_SZ = 8192, /* cmd tbl + IU + status + PRD */
MVS_SSP_CMD_SZ = 64, /* SSP command table buffer size */
- MVS_ATA_CMD_SZ = 128, /* SATA command table buffer size */
+ MVS_ATA_CMD_SZ = 96, /* SATA command table buffer size */
MVS_OAF_SZ = 64, /* Open address frame buffer size */
MVS_RX_FIS_COUNT = 17, /* Optional rx'd FISs (max 17) */
+
+ MVS_QUEUE_SIZE = 30, /* Support Queue depth */
};
/* unchangeable hardware details */
MVS_GBL_CTL = 0x04, /* global control */
MVS_GBL_INT_STAT = 0x08, /* global irq status */
MVS_GBL_PI = 0x0C, /* ports implemented bitmask */
- MVS_GBL_PORT_TYPE = 0x00, /* port type */
+ MVS_GBL_PORT_TYPE = 0xa0, /* port type */
MVS_CTL = 0x100, /* SAS/SATA port configuration */
MVS_PCS = 0x104, /* SAS/SATA port control/status */
MVS_TX_LO = 0x124, /* TX (delivery) ring addr */
MVS_TX_HI = 0x128,
- MVS_RX_PROD_IDX = 0x12C, /* RX producer pointer */
- MVS_RX_CONS_IDX = 0x130, /* RX consumer pointer (RO) */
+ MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */
+ MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */
MVS_RX_CFG = 0x134, /* RX configuration */
MVS_RX_LO = 0x138, /* RX (completion) ring addr */
MVS_RX_HI = 0x13C,
+ MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */
MVS_INT_COAL = 0x148, /* Int coalescing config */
MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */
MVS_INT_STAT = 0x150, /* Central int status */
MVS_INT_MASK = 0x154, /* Central int enable */
MVS_INT_STAT_SRS = 0x158, /* SATA register set status */
+ MVS_INT_MASK_SRS = 0x15C,
/* ports 1-3 follow after this */
MVS_P0_INT_STAT = 0x160, /* port0 interrupt status */
MVS_P0_INT_MASK = 0x164, /* port0 interrupt mask */
+ MVS_P4_INT_STAT = 0x200, /* Port 4 interrupt status */
+ MVS_P4_INT_MASK = 0x204, /* Port 4 interrupt enable mask */
/* ports 1-3 follow after this */
MVS_P0_SER_CTLSTAT = 0x180, /* port0 serial control/status */
+ MVS_P4_SER_CTLSTAT = 0x220, /* port4 serial control/status */
MVS_CMD_ADDR = 0x1B8, /* Command register port (addr) */
MVS_CMD_DATA = 0x1BC, /* Command register port (data) */
/* ports 1-3 follow after this */
MVS_P0_CFG_ADDR = 0x1C0, /* port0 phy register address */
MVS_P0_CFG_DATA = 0x1C4, /* port0 phy register data */
+ MVS_P4_CFG_ADDR = 0x230, /* Port 4 config address */
+ MVS_P4_CFG_DATA = 0x234, /* Port 4 config data */
+
+ /* ports 1-3 follow after this */
+ MVS_P0_VSR_ADDR = 0x1E0, /* port0 VSR address */
+ MVS_P0_VSR_DATA = 0x1E4, /* port0 VSR data */
+ MVS_P4_VSR_ADDR = 0x250, /* port 4 VSR addr */
+ MVS_P4_VSR_DATA = 0x254, /* port 4 VSR data */
};
enum hw_register_bits {
/* MVS_GBL_PORT_TYPE */ /* shl for ports 1-3 */
SATA_TARGET = (1U << 16), /* port0 SATA target enable */
- AUTO_DET = (1U << 8), /* port0 SAS/SATA autodetect */
- SAS_MODE = (1U << 0), /* port0 SAS(1), SATA(0) mode */
- /* SAS_MODE value may be
- * dictated (in hw) by values
- * of SATA_TARGET & AUTO_DET
- */
+ MODE_AUTO_DET_PORT7 = (1U << 15), /* port0 SAS/SATA autodetect */
+ MODE_AUTO_DET_PORT6 = (1U << 14),
+ MODE_AUTO_DET_PORT5 = (1U << 13),
+ MODE_AUTO_DET_PORT4 = (1U << 12),
+ MODE_AUTO_DET_PORT3 = (1U << 11),
+ MODE_AUTO_DET_PORT2 = (1U << 10),
+ MODE_AUTO_DET_PORT1 = (1U << 9),
+ MODE_AUTO_DET_PORT0 = (1U << 8),
+ MODE_AUTO_DET_EN = MODE_AUTO_DET_PORT0 | MODE_AUTO_DET_PORT1 |
+ MODE_AUTO_DET_PORT2 | MODE_AUTO_DET_PORT3 |
+ MODE_AUTO_DET_PORT4 | MODE_AUTO_DET_PORT5 |
+ MODE_AUTO_DET_PORT6 | MODE_AUTO_DET_PORT7,
+ MODE_SAS_PORT7_MASK = (1U << 7), /* port0 SAS(1), SATA(0) mode */
+ MODE_SAS_PORT6_MASK = (1U << 6),
+ MODE_SAS_PORT5_MASK = (1U << 5),
+ MODE_SAS_PORT4_MASK = (1U << 4),
+ MODE_SAS_PORT3_MASK = (1U << 3),
+ MODE_SAS_PORT2_MASK = (1U << 2),
+ MODE_SAS_PORT1_MASK = (1U << 1),
+ MODE_SAS_PORT0_MASK = (1U << 0),
+ MODE_SAS_SATA = MODE_SAS_PORT0_MASK | MODE_SAS_PORT1_MASK |
+ MODE_SAS_PORT2_MASK | MODE_SAS_PORT3_MASK |
+ MODE_SAS_PORT4_MASK | MODE_SAS_PORT5_MASK |
+ MODE_SAS_PORT6_MASK | MODE_SAS_PORT7_MASK,
+
+ /* SAS_MODE value may be
+ * dictated (in hw) by values
+ * of SATA_TARGET & AUTO_DET
+ */
/* MVS_TX_CFG */
TX_EN = (1U << 16), /* Enable TX */
CINT_MEM = (1U << 26), /* int mem parity err */
CINT_I2C_SLAVE = (1U << 25), /* slave I2C event */
CINT_SRS = (1U << 3), /* SRS event */
- CINT_CI_STOP = (1U << 10), /* cmd issue stopped */
+ CINT_CI_STOP = (1U << 1), /* cmd issue stopped */
CINT_DONE = (1U << 0), /* cmd completion */
/* shl for ports 1-3 */
CINT_PORT_STOPPED = (1U << 16), /* port0 stopped */
CINT_PORT = (1U << 8), /* port0 event */
+ CINT_PORT_MASK_OFFSET = 8,
+ CINT_PORT_MASK = (0xFF << CINT_PORT_MASK_OFFSET),
/* TX (delivery) ring bits */
TXQ_CMD_SHIFT = 29,
PHY_BCAST_CHG = (1U << 2), /* broadcast(change) notif */
PHY_RST_HARD = (1U << 1), /* hard reset + phy reset */
PHY_RST = (1U << 0), /* phy reset */
+ PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0xF << 8),
+ PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0xF << 12),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
+ (0xF << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
+ PHY_READY_MASK = (1U << 20),
/* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */
+ PHYEV_DEC_ERR = (1U << 24), /* Phy Decoding Error */
PHYEV_UNASSOC_FIS = (1U << 19), /* unassociated FIS rx'd */
PHYEV_AN = (1U << 18), /* SATA async notification */
PHYEV_BIST_ACT = (1U << 17), /* BIST activate FIS */
PHYEV_RDY_CH = (1U << 0), /* phy ready changed state */
/* MVS_PCS */
+ PCS_EN_SATA_REG_SHIFT = (16), /* Enable SATA Register Set */
+ PCS_EN_PORT_XMT_SHIFT = (12), /* Enable Port Transmit */
+ PCS_EN_PORT_XMT_SHIFT2 = (8), /* For 6480 */
PCS_SATA_RETRY = (1U << 8), /* retry ctl FIS on R_ERR */
PCS_RSP_RX_EN = (1U << 7), /* raw response rx */
PCS_SELF_CLEAR = (1U << 5), /* self-clearing int mode */
PCS_FIS_RX_EN = (1U << 4), /* FIS rx enable */
PCS_CMD_STOP_ERR = (1U << 3), /* cmd stop-on-err enable */
- PCS_CMD_RST = (1U << 2), /* reset cmd issue */
+ PCS_CMD_RST = (1U << 1), /* reset cmd issue */
PCS_CMD_EN = (1U << 0), /* enable cmd issue */
+
+ /* Port n Attached Device Info */
+ PORT_DEV_SSP_TRGT = (1U << 19),
+ PORT_DEV_SMP_TRGT = (1U << 18),
+ PORT_DEV_STP_TRGT = (1U << 17),
+ PORT_DEV_SSP_INIT = (1U << 11),
+ PORT_DEV_SMP_INIT = (1U << 10),
+ PORT_DEV_STP_INIT = (1U << 9),
+ PORT_PHY_ID_MASK = (0xFFU << 24),
+ PORT_DEV_TRGT_MASK = (0x7U << 17),
+ PORT_DEV_INIT_MASK = (0x7U << 9),
+ PORT_DEV_TYPE_MASK = (0x7U << 0),
+
+ /* Port n PHY Status */
+ PHY_RDY = (1U << 2),
+ PHY_DW_SYNC = (1U << 1),
+ PHY_OOB_DTCTD = (1U << 0),
+
+ /* VSR */
+ /* PHYMODE 6 (CDB) */
+ PHY_MODE6_DTL_SPEED = (1U << 27),
};
enum mvs_info_flags {
/* SAS/SATA configuration port registers, aka phy registers */
enum sas_sata_config_port_regs {
- PHYR_IDENTIFY = 0x0, /* info for IDENTIFY frame */
- PHYR_ADDR_LO = 0x4, /* my SAS address (low) */
- PHYR_ADDR_HI = 0x8, /* my SAS address (high) */
- PHYR_ATT_DEV_INFO = 0xC, /* attached device info */
+ PHYR_IDENTIFY = 0x00, /* info for IDENTIFY frame */
+ PHYR_ADDR_LO = 0x04, /* my SAS address (low) */
+ PHYR_ADDR_HI = 0x08, /* my SAS address (high) */
+ PHYR_ATT_DEV_INFO = 0x0C, /* attached device info */
PHYR_ATT_ADDR_LO = 0x10, /* attached dev SAS addr (low) */
PHYR_ATT_ADDR_HI = 0x14, /* attached dev SAS addr (high) */
PHYR_SATA_CTL = 0x18, /* SATA control */
PHYR_PHY_STAT = 0x1C, /* PHY status */
+ PHYR_SATA_SIG0 = 0x20, /*port SATA signature FIS(Byte 0-3) */
+ PHYR_SATA_SIG1 = 0x24, /*port SATA signature FIS(Byte 4-7) */
+ PHYR_SATA_SIG2 = 0x28, /*port SATA signature FIS(Byte 8-11) */
+ PHYR_SATA_SIG3 = 0x2c, /*port SATA signature FIS(Byte 12-15) */
+ PHYR_R_ERR_COUNT = 0x30, /* port R_ERR count register */
+ PHYR_CRC_ERR_COUNT = 0x34, /* port CRC error count register */
PHYR_WIDE_PORT = 0x38, /* wide port participating */
PHYR_CURRENT0 = 0x80, /* current connection info 0 */
PHYR_CURRENT1 = 0x84, /* current connection info 1 */
PHYR_CURRENT2 = 0x88, /* current connection info 2 */
};
+/* SAS/SATA Vendor Specific Port Registers */
+enum sas_sata_vsp_regs {
+ VSR_PHY_STAT = 0x00, /* Phy Status */
+ VSR_PHY_MODE1 = 0x01, /* phy tx */
+ VSR_PHY_MODE2 = 0x02, /* tx scc */
+ VSR_PHY_MODE3 = 0x03, /* pll */
+ VSR_PHY_MODE4 = 0x04, /* VCO */
+ VSR_PHY_MODE5 = 0x05, /* Rx */
+ VSR_PHY_MODE6 = 0x06, /* CDR */
+ VSR_PHY_MODE7 = 0x07, /* Impedance */
+ VSR_PHY_MODE8 = 0x08, /* Voltage */
+ VSR_PHY_MODE9 = 0x09, /* Test */
+ VSR_PHY_MODE10 = 0x0A, /* Power */
+ VSR_PHY_MODE11 = 0x0B, /* Phy Mode */
+ VSR_PHY_VS0 = 0x0C, /* Vednor Specific 0 */
+ VSR_PHY_VS1 = 0x0D, /* Vednor Specific 1 */
+};
+
enum pci_cfg_registers {
- PCR_PHY_CTL = 0x40,
- PCR_PHY_CTL2 = 0x90,
+ PCR_PHY_CTL = 0x40,
+ PCR_PHY_CTL2 = 0x90,
+ PCR_DEV_CTRL = 0xE8,
};
enum pci_cfg_register_bits {
- PCTL_PWR_ON = (0xFU << 24),
- PCTL_OFF = (0xFU << 12),
+ PCTL_PWR_ON = (0xFU << 24),
+ PCTL_OFF = (0xFU << 12),
+ PRD_REQ_SIZE = (0x4000),
+ PRD_REQ_MASK = (0x00007000),
};
enum nvram_layout_offsets {
- NVR_SIG = 0x00, /* 0xAA, 0x55 */
- NVR_SAS_ADDR = 0x02, /* 8-byte SAS address */
+ NVR_SIG = 0x00, /* 0xAA, 0x55 */
+ NVR_SAS_ADDR = 0x02, /* 8-byte SAS address */
};
enum chip_flavors {
chip_6480,
};
+enum port_type {
+ PORT_TYPE_SAS = (1L << 1),
+ PORT_TYPE_SATA = (1L << 0),
+};
+
+/* Command Table Format */
+enum ct_format {
+ /* SSP */
+ SSP_F_H = 0x00,
+ SSP_F_IU = 0x18,
+ SSP_F_MAX = 0x4D,
+ /* STP */
+ STP_CMD_FIS = 0x00,
+ STP_ATAPI_CMD = 0x40,
+ STP_F_MAX = 0x10,
+ /* SMP */
+ SMP_F_T = 0x00,
+ SMP_F_DEP = 0x01,
+ SMP_F_MAX = 0x101,
+};
+
+enum status_buffer {
+ SB_EIR_OFF = 0x00, /* Error Information Record */
+ SB_RFB_OFF = 0x08, /* Response Frame Buffer */
+ SB_RFB_MAX = 0x400, /* RFB size*/
+};
+
+enum error_info_rec {
+ CMD_ISS_STPD = (1U << 31), /* Cmd Issue Stopped */
+};
+
struct mvs_chip_info {
- unsigned int n_phy;
- unsigned int srs_sz;
- unsigned int slot_width;
+ u32 n_phy;
+ u32 srs_sz;
+ u32 slot_width;
};
struct mvs_err_info {
struct mvs_slot_info {
struct sas_task *task;
- unsigned int n_elem;
+ u32 n_elem;
+ u32 tx;
/* DMA buffer for storing cmd tbl, open addr frame, status buffer,
* and PRD table
*/
void *buf;
dma_addr_t buf_dma;
+#if _MV_DUMP
+ u32 cmd_size;
+#endif
void *response;
};
struct mvs_port {
struct asd_sas_port sas_port;
+ u8 port_attached;
+ u8 taskfileset;
+ u8 wide_port_phymap;
};
struct mvs_phy {
struct mvs_port *port;
struct asd_sas_phy sas_phy;
-
- u8 frame_rcvd[24 + 1024];
+ struct sas_identify identify;
+ struct scsi_device *sdev;
+ u64 dev_sas_addr;
+ u64 att_dev_sas_addr;
+ u32 att_dev_info;
+ u32 dev_info;
+ u32 phy_type;
+ u32 phy_status;
+ u32 irq_status;
+ u32 frame_rcvd_size;
+ u8 frame_rcvd[32];
+ u8 phy_attached;
};
struct mvs_info {
__le32 *rx_fis; /* RX'd FIS area */
dma_addr_t rx_fis_dma;
- struct mvs_cmd_hdr *slot; /* DMA command header slots */
+ struct mvs_cmd_hdr *slot; /* DMA command header slots */
dma_addr_t slot_dma;
const struct mvs_chip_info *chip;
- /* further per-slot information */
+ unsigned long tags[MVS_SLOTS];
struct mvs_slot_info slot_info[MVS_SLOTS];
- unsigned long tags[(MVS_SLOTS / sizeof(unsigned long)) + 1];
-
+ /* further per-slot information */
struct mvs_phy phy[MVS_MAX_PHYS];
struct mvs_port port[MVS_MAX_PHYS];
+
+ u32 can_queue; /* per adapter */
+ u32 tag_out; /*Get*/
+ u32 tag_in; /*Give*/
};
+struct mvs_queue_task {
+ struct list_head list;
+
+ void *uldd_task;
+};
+
+static int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
+ void *funcdata);
+static u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port);
+static void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val);
+static u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port);
+static void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2,
+ u32 port, u32 val);
+static u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port);
+static void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val);
+static void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr);
+static u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port);
+static void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val);
+static void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr);
+static u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port);
+static void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val);
+static void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val);
+static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port);
+
+static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i);
+static void mvs_detect_porttype(struct mvs_info *mvi, int i);
+static void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st);
+static void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port);
+static u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port);
+static u32 mvs_is_sig_fis_received(u32 irq_status);
+
+static int mvs_scan_finished(struct Scsi_Host *, unsigned long);
+static void mvs_scan_start(struct Scsi_Host *);
+static int mvs_sas_slave_alloc(struct scsi_device *scsi_dev);
+
static struct scsi_transport_template *mvs_stt;
static const struct mvs_chip_info mvs_chips[] = {
- [chip_6320] = { 2, 16, 9 },
- [chip_6440] = { 4, 16, 9 },
+ [chip_6320] = { 2, 16, 9 },
+ [chip_6440] = { 4, 16, 9 },
[chip_6480] = { 8, 32, 10 },
};
.target_alloc = sas_target_alloc,
.slave_configure = sas_slave_configure,
.slave_destroy = sas_slave_destroy,
+ .scan_finished = mvs_scan_finished,
+ .scan_start = mvs_scan_start,
.change_queue_depth = sas_change_queue_depth,
.change_queue_type = sas_change_queue_type,
.bios_param = sas_bios_param,
.sg_tablesize = SG_ALL,
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
- .eh_device_reset_handler= sas_eh_device_reset_handler,
+ .eh_device_reset_handler = sas_eh_device_reset_handler,
.eh_bus_reset_handler = sas_eh_bus_reset_handler,
- .slave_alloc = sas_slave_alloc,
+ .slave_alloc = mvs_sas_slave_alloc,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
};
-static void mvs_int_rx(struct mvs_info *mvi, bool self_clear);
+static void mvs_hexdump(u32 size, u8 *data, u32 baseaddr)
+{
+ u32 i;
+ u32 run;
+ u32 offset;
+
+ offset = 0;
+ while (size) {
+ printk("%08X : ", baseaddr + offset);
+ if (size >= 16)
+ run = 16;
+ else
+ run = size;
+ size -= run;
+ for (i = 0; i < 16; i++) {
+ if (i < run)
+ printk("%02X ", (u32)data[i]);
+ else
+ printk(" ");
+ }
+ printk(": ");
+ for (i = 0; i < run; i++)
+ printk("%c", isalnum(data[i]) ? data[i] : '.');
+ printk("\n");
+ data = &data[16];
+ offset += run;
+ }
+ printk("\n");
+}
+
+static void mvs_hba_sb_dump(struct mvs_info *mvi, u32 tag,
+ enum sas_protocol proto)
+{
+#if _MV_DUMP
+ u32 offset;
+ struct pci_dev *pdev = mvi->pdev;
+ struct mvs_slot_info *slot = &mvi->slot_info[tag];
+
+ offset = slot->cmd_size + MVS_OAF_SZ +
+ sizeof(struct mvs_prd) * slot->n_elem;
+ dev_printk(KERN_DEBUG, &pdev->dev, "+---->Status buffer[%d] :\n",
+ tag);
+ mvs_hexdump(32, (u8 *) slot->response,
+ (u32) slot->buf_dma + offset);
+#endif
+}
+
+static void mvs_hba_memory_dump(struct mvs_info *mvi, u32 tag,
+ enum sas_protocol proto)
+{
+#if _MV_DUMP
+ u32 sz, w_ptr, r_ptr;
+ u64 addr;
+ void __iomem *regs = mvi->regs;
+ struct pci_dev *pdev = mvi->pdev;
+ struct mvs_slot_info *slot = &mvi->slot_info[tag];
+
+ /*Delivery Queue */
+ sz = mr32(TX_CFG) & TX_RING_SZ_MASK;
+ w_ptr = mr32(TX_PROD_IDX) & TX_RING_SZ_MASK;
+ r_ptr = mr32(TX_CONS_IDX) & TX_RING_SZ_MASK;
+ addr = mr32(TX_HI) << 16 << 16 | mr32(TX_LO);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Delivery Queue Size=%04d , WRT_PTR=%04X , RD_PTR=%04X\n",
+ sz, w_ptr, r_ptr);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Delivery Queue Base Address=0x%llX (PA)"
+ "(tx_dma=0x%llX), Entry=%04d\n",
+ addr, mvi->tx_dma, w_ptr);
+ mvs_hexdump(sizeof(u32), (u8 *)(&mvi->tx[mvi->tx_prod]),
+ (u32) mvi->tx_dma + sizeof(u32) * w_ptr);
+ /*Command List */
+ addr = mr32(CMD_LIST_HI) << 16 << 16 | mr32(CMD_LIST_LO);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Command List Base Address=0x%llX (PA)"
+ "(slot_dma=0x%llX), Header=%03d\n",
+ addr, mvi->slot_dma, tag);
+ dev_printk(KERN_DEBUG, &pdev->dev, "Command Header[%03d]:\n", tag);
+ /*mvs_cmd_hdr */
+ mvs_hexdump(sizeof(struct mvs_cmd_hdr), (u8 *)(&mvi->slot[tag]),
+ (u32) mvi->slot_dma + tag * sizeof(struct mvs_cmd_hdr));
+ /*1.command table area */
+ dev_printk(KERN_DEBUG, &pdev->dev, "+---->Command Table :\n");
+ mvs_hexdump(slot->cmd_size, (u8 *) slot->buf, (u32) slot->buf_dma);
+ /*2.open address frame area */
+ dev_printk(KERN_DEBUG, &pdev->dev, "+---->Open Address Frame :\n");
+ mvs_hexdump(MVS_OAF_SZ, (u8 *) slot->buf + slot->cmd_size,
+ (u32) slot->buf_dma + slot->cmd_size);
+ /*3.status buffer */
+ mvs_hba_sb_dump(mvi, tag, proto);
+ /*4.PRD table */
+ dev_printk(KERN_DEBUG, &pdev->dev, "+---->PRD table :\n");
+ mvs_hexdump(sizeof(struct mvs_prd) * slot->n_elem,
+ (u8 *) slot->buf + slot->cmd_size + MVS_OAF_SZ,
+ (u32) slot->buf_dma + slot->cmd_size + MVS_OAF_SZ);
+#endif
+}
+
+static void mvs_hba_cq_dump(struct mvs_info *mvi)
+{
+#if _MV_DUMP
+ u64 addr;
+ void __iomem *regs = mvi->regs;
+ struct pci_dev *pdev = mvi->pdev;
+ u32 entry = mvi->rx_cons + 1;
+ u32 rx_desc = le32_to_cpu(mvi->rx[entry]);
+
+ /*Completion Queue */
+ addr = mr32(RX_HI) << 16 << 16 | mr32(RX_LO);
+ dev_printk(KERN_DEBUG, &pdev->dev, "Completion Task = 0x%08X\n",
+ (u32) mvi->slot_info[rx_desc & RXQ_SLOT_MASK].task);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Completion List Base Address=0x%llX (PA), "
+ "CQ_Entry=%04d, CQ_WP=0x%08X\n",
+ addr, entry - 1, mvi->rx[0]);
+ mvs_hexdump(sizeof(u32), (u8 *)(&rx_desc),
+ mvi->rx_dma + sizeof(u32) * entry);
+#endif
+}
+
+static void mvs_hba_interrupt_enable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(GBL_CTL);
+
+ mw32(GBL_CTL, tmp | INT_EN);
+}
+
+static void mvs_hba_interrupt_disable(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(GBL_CTL);
+
+ mw32(GBL_CTL, tmp & ~INT_EN);
+}
+
+static int mvs_int_rx(struct mvs_info *mvi, bool self_clear);
/* move to PCI layer or libata core? */
static int pci_go_64(struct pci_dev *pdev)
return rc;
}
-static void mvs_tag_clear(struct mvs_info *mvi, unsigned int tag)
+static void mvs_tag_clear(struct mvs_info *mvi, u32 tag)
{
- mvi->tags[tag / sizeof(unsigned long)] &=
- ~(1UL << (tag % sizeof(unsigned long)));
+ mvi->tag_in = (mvi->tag_in + 1) & (MVS_SLOTS - 1);
+ mvi->tags[mvi->tag_in] = tag;
}
-static void mvs_tag_set(struct mvs_info *mvi, unsigned int tag)
+static void mvs_tag_free(struct mvs_info *mvi, u32 tag)
{
- mvi->tags[tag / sizeof(unsigned long)] |=
- (1UL << (tag % sizeof(unsigned long)));
+ mvi->tag_out = (mvi->tag_out - 1) & (MVS_SLOTS - 1);
}
-static bool mvs_tag_test(struct mvs_info *mvi, unsigned int tag)
+static int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out)
{
- return mvi->tags[tag / sizeof(unsigned long)] &
- (1UL << (tag % sizeof(unsigned long)));
+ if (mvi->tag_out != mvi->tag_in) {
+ *tag_out = mvi->tags[mvi->tag_out];
+ mvi->tag_out = (mvi->tag_out + 1) & (MVS_SLOTS - 1);
+ return 0;
+ }
+ return -EBUSY;
}
-static int mvs_tag_alloc(struct mvs_info *mvi, unsigned int *tag_out)
+static void mvs_tag_init(struct mvs_info *mvi)
{
- unsigned int i;
-
- for (i = 0; i < MVS_SLOTS; i++)
- if (!mvs_tag_test(mvi, i)) {
- mvs_tag_set(mvi, i);
- *tag_out = i;
- return 0;
- }
-
- return -EBUSY;
+ int i;
+ for (i = 0; i < MVS_SLOTS; ++i)
+ mvi->tags[i] = i;
+ mvi->tag_out = 0;
+ mvi->tag_in = MVS_SLOTS - 1;
}
-static int mvs_eep_read(void __iomem *regs, unsigned int addr, u32 *data)
+#ifndef MVS_DISABLE_NVRAM
+static int mvs_eep_read(void __iomem *regs, u32 addr, u32 *data)
{
int timeout = 1000;
return -EBUSY;
}
-static int mvs_eep_read_buf(void __iomem *regs, unsigned int addr,
- void *buf, unsigned int buflen)
+static int mvs_eep_read_buf(void __iomem *regs, u32 addr,
+ void *buf, u32 buflen)
{
- unsigned int addr_end, tmp_addr, i, j;
+ u32 addr_end, tmp_addr, i, j;
u32 tmp = 0;
int rc;
u8 *tmp8, *buf8 = buf;
if (rc)
return rc;
- tmp8 = (u8 *) &tmp;
+ tmp8 = (u8 *)&tmp;
for (i = j; i < 4; i++)
*buf8++ = tmp8[i];
if (rc)
return rc;
- tmp8 = (u8 *) &tmp;
+ tmp8 = (u8 *)&tmp;
j = addr_end - tmp_addr;
for (i = 0; i < j; i++)
*buf8++ = tmp8[i];
return 0;
}
+#endif
-static int mvs_nvram_read(struct mvs_info *mvi, unsigned int addr,
- void *buf, unsigned int buflen)
+static int mvs_nvram_read(struct mvs_info *mvi, u32 addr,
+ void *buf, u32 buflen)
{
+#ifndef MVS_DISABLE_NVRAM
void __iomem *regs = mvi->regs;
int rc, i;
- unsigned int sum;
+ u32 sum;
u8 hdr[2], *tmp;
const char *msg;
goto err_out;
}
- if (hdr[0] != 0x5A) { /* entry id */
+ if (hdr[0] != 0x5A) {
+ /* entry id */
msg = "invalid nvram entry id";
rc = -ENOENT;
goto err_out;
}
tmp = buf;
- sum = ((unsigned int)hdr[0]) + ((unsigned int)hdr[1]);
+ sum = ((u32)hdr[0]) + ((u32)hdr[1]);
for (i = 0; i < buflen; i++)
- sum += ((unsigned int)tmp[i]);
+ sum += ((u32)tmp[i]);
if (sum) {
msg = "nvram checksum failure";
err_out:
dev_printk(KERN_ERR, &mvi->pdev->dev, "%s", msg);
+ return rc;
+#else
+ /* FIXME , For SAS target mode */
+ memcpy(buf, "\x00\x00\xab\x11\x30\x04\x05\x50", 8);
+ return 0;
+#endif
+}
+
+static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+
+ if (!phy->phy_attached)
+ return;
+
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ struct sas_identify_frame *id;
+
+ id = (struct sas_identify_frame *)phy->frame_rcvd;
+ id->dev_type = phy->identify.device_type;
+ id->initiator_bits = SAS_PROTOCOL_ALL;
+ id->target_bits = phy->identify.target_port_protocols;
+ } else if (phy->phy_type & PORT_TYPE_SATA) {
+ /* TODO */
+ }
+ mvi->sas.sas_phy[i]->frame_rcvd_size = phy->frame_rcvd_size;
+ mvi->sas.notify_port_event(mvi->sas.sas_phy[i],
+ PORTE_BYTES_DMAED);
+}
+
+static int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+ /* give the phy enabling interrupt event time to come in (1s
+ * is empirically about all it takes) */
+ if (time < HZ)
+ return 0;
+ /* Wait for discovery to finish */
+ scsi_flush_work(shost);
+ return 1;
+}
+
+static void mvs_scan_start(struct Scsi_Host *shost)
+{
+ int i;
+ struct mvs_info *mvi = SHOST_TO_SAS_HA(shost)->lldd_ha;
+
+ for (i = 0; i < mvi->chip->n_phy; ++i) {
+ mvs_bytes_dmaed(mvi, i);
+ }
+}
+
+static int mvs_sas_slave_alloc(struct scsi_device *scsi_dev)
+{
+ int rc;
+
+ rc = sas_slave_alloc(scsi_dev);
+
return rc;
}
static void mvs_int_port(struct mvs_info *mvi, int port_no, u32 events)
{
- /* FIXME */
+ struct pci_dev *pdev = mvi->pdev;
+ struct sas_ha_struct *sas_ha = &mvi->sas;
+ struct mvs_phy *phy = &mvi->phy[port_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ phy->irq_status = mvs_read_port_irq_stat(mvi, port_no);
+ /*
+ * events is port event now ,
+ * we need check the interrupt status which belongs to per port.
+ */
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Port %d Event = %X\n",
+ port_no, phy->irq_status);
+
+ if (phy->irq_status & (PHYEV_POOF | PHYEV_DEC_ERR)) {
+ if (!mvs_is_phy_ready(mvi, port_no)) {
+ sas_phy_disconnected(sas_phy);
+ sas_ha->notify_phy_event(sas_phy, PHYE_LOSS_OF_SIGNAL);
+ } else
+ mvs_phy_control(sas_phy, PHY_FUNC_LINK_RESET, NULL);
+ }
+ if (!(phy->irq_status & PHYEV_DEC_ERR)) {
+ if (phy->irq_status & PHYEV_COMWAKE) {
+ u32 tmp = mvs_read_port_irq_mask(mvi, port_no);
+ mvs_write_port_irq_mask(mvi, port_no,
+ tmp | PHYEV_SIG_FIS);
+ }
+ if (phy->irq_status & (PHYEV_SIG_FIS | PHYEV_ID_DONE)) {
+ phy->phy_status = mvs_is_phy_ready(mvi, port_no);
+ if (phy->phy_status) {
+ mvs_detect_porttype(mvi, port_no);
+
+ if (phy->phy_type & PORT_TYPE_SATA) {
+ u32 tmp = mvs_read_port_irq_mask(mvi,
+ port_no);
+ tmp &= ~PHYEV_SIG_FIS;
+ mvs_write_port_irq_mask(mvi,
+ port_no, tmp);
+ }
+
+ mvs_update_phyinfo(mvi, port_no, 0);
+ sas_ha->notify_phy_event(sas_phy,
+ PHYE_OOB_DONE);
+ mvs_bytes_dmaed(mvi, port_no);
+ } else {
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "plugin interrupt but phy is gone\n");
+ mvs_phy_control(sas_phy, PHY_FUNC_LINK_RESET,
+ NULL);
+ }
+ } else if (phy->irq_status & PHYEV_BROAD_CH)
+ sas_ha->notify_port_event(sas_phy,
+ PORTE_BROADCAST_RCVD);
+ }
+ mvs_write_port_irq_stat(mvi, port_no, phy->irq_status);
}
static void mvs_int_sata(struct mvs_info *mvi)
}
static void mvs_slot_free(struct mvs_info *mvi, struct sas_task *task,
- struct mvs_slot_info *slot, unsigned int slot_idx)
+ struct mvs_slot_info *slot, u32 slot_idx)
{
- if (slot->n_elem)
- pci_unmap_sg(mvi->pdev, task->scatter,
- slot->n_elem, task->data_dir);
+ if (!sas_protocol_ata(task->task_proto))
+ if (slot->n_elem)
+ pci_unmap_sg(mvi->pdev, task->scatter,
+ slot->n_elem, task->data_dir);
switch (task->task_proto) {
case SAS_PROTOCOL_SMP:
break;
}
+ slot->task = NULL;
mvs_tag_clear(mvi, slot_idx);
}
static void mvs_slot_err(struct mvs_info *mvi, struct sas_task *task,
- unsigned int slot_idx)
+ u32 slot_idx)
{
- /* FIXME */
+ struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
+ u64 err_dw0 = *(u32 *) slot->response;
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ if (err_dw0 & CMD_ISS_STPD)
+ if (sas_protocol_ata(task->task_proto)) {
+ tmp = mr32(INT_STAT_SRS);
+ mw32(INT_STAT_SRS, tmp & 0xFFFF);
+ }
+
+ mvs_hba_sb_dump(mvi, slot_idx, task->task_proto);
}
-static void mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc)
+static int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc)
{
- unsigned int slot_idx = rx_desc & RXQ_SLOT_MASK;
+ u32 slot_idx = rx_desc & RXQ_SLOT_MASK;
struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
struct sas_task *task = slot->task;
struct task_status_struct *tstat = &task->task_status;
+ struct mvs_port *port = &mvi->port[task->dev->port->id];
bool aborted;
+ void *to;
spin_lock(&task->task_state_lock);
aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED;
if (!aborted) {
task->task_state_flags &=
- ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
+ ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
task->task_state_flags |= SAS_TASK_STATE_DONE;
}
spin_unlock(&task->task_state_lock);
if (aborted)
- return;
+ return -1;
memset(tstat, 0, sizeof(*tstat));
tstat->resp = SAS_TASK_COMPLETE;
+
+ if (unlikely(!port->port_attached)) {
+ tstat->stat = SAS_PHY_DOWN;
+ goto out;
+ }
+
/* error info record present */
- if (rx_desc & RXQ_ERR) {
+ if ((rx_desc & RXQ_ERR) && (*(u64 *) slot->response)) {
tstat->stat = SAM_CHECK_COND;
mvs_slot_err(mvi, task, slot_idx);
goto out;
switch (task->task_proto) {
case SAS_PROTOCOL_SSP:
/* hw says status == 0, datapres == 0 */
- if (rx_desc & RXQ_GOOD)
+ if (rx_desc & RXQ_GOOD) {
tstat->stat = SAM_GOOD;
-
+ tstat->resp = SAS_TASK_COMPLETE;
+ }
/* response frame present */
else if (rx_desc & RXQ_RSP) {
struct ssp_response_iu *iu =
- slot->response + sizeof(struct mvs_err_info);
+ slot->response + sizeof(struct mvs_err_info);
sas_ssp_task_response(&mvi->pdev->dev, task, iu);
}
tstat->stat = SAM_CHECK_COND;
break;
- case SAS_PROTOCOL_SMP:
- tstat->stat = SAM_GOOD;
- break;
+ case SAS_PROTOCOL_SMP: {
+ struct scatterlist *sg_resp = &task->smp_task.smp_resp;
+ tstat->stat = SAM_GOOD;
+ to = kmap_atomic(sg_page(sg_resp), KM_IRQ0);
+ memcpy(to + sg_resp->offset,
+ slot->response + sizeof(struct mvs_err_info),
+ sg_dma_len(sg_resp));
+ kunmap_atomic(to, KM_IRQ0);
+ break;
+ }
case SAS_PROTOCOL_SATA:
case SAS_PROTOCOL_STP:
- if ((rx_desc & (RXQ_DONE | RXQ_ERR | RXQ_ATTN)) == RXQ_DONE)
- tstat->stat = SAM_GOOD;
- else
- tstat->stat = SAM_CHECK_COND;
- /* FIXME: read taskfile data from SATA register set
- * associated with SATA target
- */
- break;
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: {
+ struct ata_task_resp *resp =
+ (struct ata_task_resp *)tstat->buf;
+
+ if ((rx_desc & (RXQ_DONE | RXQ_ERR | RXQ_ATTN)) ==
+ RXQ_DONE)
+ tstat->stat = SAM_GOOD;
+ else
+ tstat->stat = SAM_CHECK_COND;
+
+ resp->frame_len = sizeof(struct dev_to_host_fis);
+ memcpy(&resp->ending_fis[0],
+ SATA_RECEIVED_D2H_FIS(port->taskfileset),
+ sizeof(struct dev_to_host_fis));
+ if (resp->ending_fis[2] & ATA_ERR)
+ mvs_hexdump(16, resp->ending_fis, 0);
+ break;
+ }
default:
tstat->stat = SAM_CHECK_COND;
out:
mvs_slot_free(mvi, task, slot, slot_idx);
task->task_done(task);
+ return tstat->stat;
}
static void mvs_int_full(struct mvs_info *mvi)
stat = mr32(INT_STAT);
+ mvs_int_rx(mvi, false);
+
for (i = 0; i < MVS_MAX_PORTS; i++) {
tmp = (stat >> i) & (CINT_PORT | CINT_PORT_STOPPED);
if (tmp)
if (stat & CINT_SRS)
mvs_int_sata(mvi);
- if (stat & (CINT_CI_STOP | CINT_DONE))
- mvs_int_rx(mvi, false);
-
mw32(INT_STAT, stat);
}
-static void mvs_int_rx(struct mvs_info *mvi, bool self_clear)
+static int mvs_int_rx(struct mvs_info *mvi, bool self_clear)
{
+ void __iomem *regs = mvi->regs;
u32 rx_prod_idx, rx_desc;
bool attn = false;
+ struct pci_dev *pdev = mvi->pdev;
/* the first dword in the RX ring is special: it contains
* a mirror of the hardware's RX producer index, so that
* we don't have to stall the CPU reading that register.
* The actual RX ring is offset by one dword, due to this.
*/
- rx_prod_idx = le32_to_cpu(mvi->rx[0]) & 0xfff;
+ rx_prod_idx = mr32(RX_CONS_IDX) & RX_RING_SZ_MASK;
if (rx_prod_idx == 0xfff) { /* h/w hasn't touched RX ring yet */
mvi->rx_cons = 0xfff;
- return;
+ return 0;
}
+
+ /* The CMPL_Q may come late, read from register and try again
+ * note: if coalescing is enabled,
+ * it will need to read from register every time for sure
+ */
+ if (mvi->rx_cons == rx_prod_idx)
+ return 0;
+
if (mvi->rx_cons == 0xfff)
mvi->rx_cons = MVS_RX_RING_SZ - 1;
while (mvi->rx_cons != rx_prod_idx) {
+
/* increment our internal RX consumer pointer */
mvi->rx_cons = (mvi->rx_cons + 1) & (MVS_RX_RING_SZ - 1);
- /* Read RX descriptor at offset+1, due to above */
rx_desc = le32_to_cpu(mvi->rx[mvi->rx_cons + 1]);
- if (rx_desc & RXQ_DONE)
- /* we had a completion, error or no */
- mvs_slot_complete(mvi, rx_desc);
+ mvs_hba_cq_dump(mvi);
- if (rx_desc & RXQ_ATTN)
+ if (unlikely(rx_desc & RXQ_DONE))
+ mvs_slot_complete(mvi, rx_desc);
+ if (rx_desc & RXQ_ATTN) {
attn = true;
+ dev_printk(KERN_DEBUG, &pdev->dev, "ATTN %X\n",
+ rx_desc);
+ } else if (rx_desc & RXQ_ERR) {
+ dev_printk(KERN_DEBUG, &pdev->dev, "RXQ_ERR %X\n",
+ rx_desc);
+ }
}
if (attn && self_clear)
mvs_int_full(mvi);
+ return 0;
}
static irqreturn_t mvs_interrupt(int irq, void *opaque)
u32 stat;
stat = mr32(GBL_INT_STAT);
+
+ /* clear CMD_CMPLT ASAP */
+ mw32_f(INT_STAT, CINT_DONE);
+
if (stat == 0 || stat == 0xffffffff)
return IRQ_NONE;
return IRQ_HANDLED;
}
+#ifndef MVS_DISABLE_MSI
static irqreturn_t mvs_msi_interrupt(int irq, void *opaque)
{
struct mvs_info *mvi = opaque;
return IRQ_HANDLED;
}
+#endif
struct mvs_task_exec_info {
- struct sas_task *task;
- struct mvs_cmd_hdr *hdr;
- unsigned int tag;
- int n_elem;
+ struct sas_task *task;
+ struct mvs_cmd_hdr *hdr;
+ struct mvs_port *port;
+ u32 tag;
+ int n_elem;
};
-static int mvs_task_prep_smp(struct mvs_info *mvi, struct mvs_task_exec_info *tei)
+static int mvs_task_prep_smp(struct mvs_info *mvi,
+ struct mvs_task_exec_info *tei)
{
- int elem, rc;
+ int elem, rc, i;
+ struct sas_task *task = tei->task;
struct mvs_cmd_hdr *hdr = tei->hdr;
struct scatterlist *sg_req, *sg_resp;
- unsigned int req_len, resp_len, tag = tei->tag;
-
+ u32 req_len, resp_len, tag = tei->tag;
+ void *buf_tmp;
+ u8 *buf_oaf;
+ dma_addr_t buf_tmp_dma;
+ struct mvs_prd *buf_prd;
+ struct scatterlist *sg;
+ struct mvs_slot_info *slot = &mvi->slot_info[tag];
+ struct asd_sas_port *sas_port = task->dev->port;
+ u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT);
+#if _MV_DUMP
+ u8 *buf_cmd;
+ void *from;
+#endif
/*
* DMA-map SMP request, response buffers
*/
-
- sg_req = &tei->task->smp_task.smp_req;
+ sg_req = &task->smp_task.smp_req;
elem = pci_map_sg(mvi->pdev, sg_req, 1, PCI_DMA_TODEVICE);
if (!elem)
return -ENOMEM;
req_len = sg_dma_len(sg_req);
- sg_resp = &tei->task->smp_task.smp_resp;
+ sg_resp = &task->smp_task.smp_resp;
elem = pci_map_sg(mvi->pdev, sg_resp, 1, PCI_DMA_FROMDEVICE);
if (!elem) {
rc = -ENOMEM;
}
/*
- * Fill in TX ring and command slot header
+ * arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
*/
- mvi->tx[tag] = cpu_to_le32(
- (TXQ_CMD_SMP << TXQ_CMD_SHIFT) | TXQ_MODE_I | tag);
+ /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ************** */
+ buf_tmp = slot->buf;
+ buf_tmp_dma = slot->buf_dma;
- hdr->flags = 0;
- hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4));
+#if _MV_DUMP
+ buf_cmd = buf_tmp;
+ hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma);
+ buf_tmp += req_len;
+ buf_tmp_dma += req_len;
+ slot->cmd_size = req_len;
+#else
+ hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req));
+#endif
+
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
+ buf_oaf = buf_tmp;
+ hdr->open_frame = cpu_to_le64(buf_tmp_dma);
+
+ buf_tmp += MVS_OAF_SZ;
+ buf_tmp_dma += MVS_OAF_SZ;
+
+ /* region 3: PRD table ********************************************* */
+ buf_prd = buf_tmp;
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
+
+ i = sizeof(struct mvs_prd) * tei->n_elem;
+ buf_tmp += i;
+ buf_tmp_dma += i;
+
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
+ slot->response = buf_tmp;
+ hdr->status_buf = cpu_to_le64(buf_tmp_dma);
+
+ /*
+ * Fill in TX ring and command slot header
+ */
+ slot->tx = mvi->tx_prod;
+ mvi->tx[mvi->tx_prod] = cpu_to_le32((TXQ_CMD_SMP << TXQ_CMD_SHIFT) |
+ TXQ_MODE_I | tag |
+ (sas_port->phy_mask << TXQ_PHY_SHIFT));
+
+ hdr->flags |= flags;
+ hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | ((req_len - 4) / 4));
hdr->tags = cpu_to_le32(tag);
hdr->data_len = 0;
- hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req));
- hdr->open_frame = 0;
- hdr->status_buf = cpu_to_le64(sg_dma_address(sg_resp));
- hdr->prd_tbl = 0;
+ /* generate open address frame hdr (first 12 bytes) */
+ buf_oaf[0] = (1 << 7) | (0 << 4) | 0x01; /* initiator, SMP, ftype 1h */
+ buf_oaf[1] = task->dev->linkrate & 0xf;
+ *(u16 *)(buf_oaf + 2) = 0xFFFF; /* SAS SPEC */
+ memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE);
+
+ /* fill in PRD (scatter/gather) table, if any */
+ for_each_sg(task->scatter, sg, tei->n_elem, i) {
+ buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
+ buf_prd->len = cpu_to_le32(sg_dma_len(sg));
+ buf_prd++;
+ }
+
+#if _MV_DUMP
+ /* copy cmd table */
+ from = kmap_atomic(sg_page(sg_req), KM_IRQ0);
+ memcpy(buf_cmd, from + sg_req->offset, req_len);
+ kunmap_atomic(from, KM_IRQ0);
+#endif
return 0;
err_out_2:
return rc;
}
+static void mvs_free_reg_set(struct mvs_info *mvi, struct mvs_port *port)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp, offs;
+ u8 *tfs = &port->taskfileset;
+
+ if (*tfs == MVS_ID_NOT_MAPPED)
+ return;
+
+ offs = 1U << ((*tfs & 0x0f) + PCS_EN_SATA_REG_SHIFT);
+ if (*tfs < 16) {
+ tmp = mr32(PCS);
+ mw32(PCS, tmp & ~offs);
+ } else {
+ tmp = mr32(CTL);
+ mw32(CTL, tmp & ~offs);
+ }
+
+ tmp = mr32(INT_STAT_SRS) & (1U << *tfs);
+ if (tmp)
+ mw32(INT_STAT_SRS, tmp);
+
+ *tfs = MVS_ID_NOT_MAPPED;
+}
+
+static u8 mvs_assign_reg_set(struct mvs_info *mvi, struct mvs_port *port)
+{
+ int i;
+ u32 tmp, offs;
+ void __iomem *regs = mvi->regs;
+
+ if (port->taskfileset != MVS_ID_NOT_MAPPED)
+ return 0;
+
+ tmp = mr32(PCS);
+
+ for (i = 0; i < mvi->chip->srs_sz; i++) {
+ if (i == 16)
+ tmp = mr32(CTL);
+ offs = 1U << ((i & 0x0f) + PCS_EN_SATA_REG_SHIFT);
+ if (!(tmp & offs)) {
+ port->taskfileset = i;
+
+ if (i < 16)
+ mw32(PCS, tmp | offs);
+ else
+ mw32(CTL, tmp | offs);
+ tmp = mr32(INT_STAT_SRS) & (1U << i);
+ if (tmp)
+ mw32(INT_STAT_SRS, tmp);
+ return 0;
+ }
+ }
+ return MVS_ID_NOT_MAPPED;
+}
+
+static u32 mvs_get_ncq_tag(struct sas_task *task)
+{
+ u32 tag = 0;
+ struct ata_queued_cmd *qc = task->uldd_task;
+
+ if (qc)
+ tag = qc->tag;
+
+ return tag;
+}
+
static int mvs_task_prep_ata(struct mvs_info *mvi,
struct mvs_task_exec_info *tei)
{
struct domain_device *dev = task->dev;
struct mvs_cmd_hdr *hdr = tei->hdr;
struct asd_sas_port *sas_port = dev->port;
- unsigned int tag = tei->tag;
- struct mvs_slot_info *slot = &mvi->slot_info[tag];
- u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT);
+ struct mvs_slot_info *slot;
struct scatterlist *sg;
struct mvs_prd *buf_prd;
+ struct mvs_port *port = tei->port;
+ u32 tag = tei->tag;
+ u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT);
void *buf_tmp;
u8 *buf_cmd, *buf_oaf;
dma_addr_t buf_tmp_dma;
- unsigned int i, req_len, resp_len;
+ u32 i, req_len, resp_len;
+ const u32 max_resp_len = SB_RFB_MAX;
+
+ if (mvs_assign_reg_set(mvi, port) == MVS_ID_NOT_MAPPED)
+ return -EBUSY;
- /* FIXME: fill in SATA register set */
- mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag |
- (TXQ_CMD_STP << TXQ_CMD_SHIFT) |
- (sas_port->phy_mask << TXQ_PHY_SHIFT));
+ slot = &mvi->slot_info[tag];
+ slot->tx = mvi->tx_prod;
+ mvi->tx[mvi->tx_prod] = cpu_to_le32(TXQ_MODE_I | tag |
+ (TXQ_CMD_STP << TXQ_CMD_SHIFT) |
+ (sas_port->phy_mask << TXQ_PHY_SHIFT) |
+ (port->taskfileset << TXQ_SRS_SHIFT));
if (task->ata_task.use_ncq)
flags |= MCH_FPDMA;
- if (dev->sata_dev.command_set == ATAPI_COMMAND_SET)
- flags |= MCH_ATAPI;
+ if (dev->sata_dev.command_set == ATAPI_COMMAND_SET) {
+ if (task->ata_task.fis.command != ATA_CMD_ID_ATAPI)
+ flags |= MCH_ATAPI;
+ }
+
/* FIXME: fill in port multiplier number */
hdr->flags = cpu_to_le32(flags);
- hdr->tags = cpu_to_le32(tag);
+
+ /* FIXME: the low order order 5 bits for the TAG if enable NCQ */
+ if (task->ata_task.use_ncq) {
+ hdr->tags = cpu_to_le32(mvs_get_ncq_tag(task));
+ /*Fill in task file */
+ task->ata_task.fis.sector_count = hdr->tags << 3;
+ } else
+ hdr->tags = cpu_to_le32(tag);
hdr->data_len = cpu_to_le32(task->total_xfer_len);
/*
* arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
*/
- memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
- /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ***************/
- buf_cmd =
- buf_tmp = slot->buf;
+ /* region 1: command table area (MVS_ATA_CMD_SZ bytes) ************** */
+ buf_cmd = buf_tmp = slot->buf;
buf_tmp_dma = slot->buf_dma;
hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma);
buf_tmp += MVS_ATA_CMD_SZ;
buf_tmp_dma += MVS_ATA_CMD_SZ;
+#if _MV_DUMP
+ slot->cmd_size = MVS_ATA_CMD_SZ;
+#endif
- /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
/* used for STP. unused for SATA? */
buf_oaf = buf_tmp;
hdr->open_frame = cpu_to_le64(buf_tmp_dma);
buf_tmp += MVS_OAF_SZ;
buf_tmp_dma += MVS_OAF_SZ;
- /* region 3: PRD table ***********************************************/
+ /* region 3: PRD table ********************************************* */
buf_prd = buf_tmp;
- hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
i = sizeof(struct mvs_prd) * tei->n_elem;
buf_tmp += i;
buf_tmp_dma += i;
- /* region 4: status buffer (larger the PRD, smaller this buf) ********/
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
/* FIXME: probably unused, for SATA. kept here just in case
* we get a STP/SATA error information record
*/
slot->response = buf_tmp;
hdr->status_buf = cpu_to_le64(buf_tmp_dma);
- req_len = sizeof(struct ssp_frame_hdr) + 28;
+ req_len = sizeof(struct host_to_dev_fis);
resp_len = MVS_SLOT_BUF_SZ - MVS_ATA_CMD_SZ -
- sizeof(struct mvs_err_info) - i;
+ sizeof(struct mvs_err_info) - i;
/* request, response lengths */
+ resp_len = min(resp_len, max_resp_len);
hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4));
+ task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
/* fill in command FIS and ATAPI CDB */
- memcpy(buf_cmd, &task->ata_task.fis,
- sizeof(struct host_to_dev_fis));
- memcpy(buf_cmd + 0x40, task->ata_task.atapi_packet, 16);
+ memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
+ if (dev->sata_dev.command_set == ATAPI_COMMAND_SET)
+ memcpy(buf_cmd + STP_ATAPI_CMD,
+ task->ata_task.atapi_packet, 16);
+
+ /* generate open address frame hdr (first 12 bytes) */
+ buf_oaf[0] = (1 << 7) | (2 << 4) | 0x1; /* initiator, STP, ftype 1h */
+ buf_oaf[1] = task->dev->linkrate & 0xf;
+ *(u16 *)(buf_oaf + 2) = cpu_to_be16(tag);
+ memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE);
/* fill in PRD (scatter/gather) table, if any */
- sg = task->scatter;
- for (i = 0; i < tei->n_elem; i++) {
+ for_each_sg(task->scatter, sg, tei->n_elem, i) {
buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
buf_prd->len = cpu_to_le32(sg_dma_len(sg));
-
- sg++;
buf_prd++;
}
struct mvs_task_exec_info *tei)
{
struct sas_task *task = tei->task;
- struct asd_sas_port *sas_port = task->dev->port;
struct mvs_cmd_hdr *hdr = tei->hdr;
+ struct mvs_port *port = tei->port;
struct mvs_slot_info *slot;
struct scatterlist *sg;
- unsigned int resp_len, req_len, i, tag = tei->tag;
struct mvs_prd *buf_prd;
struct ssp_frame_hdr *ssp_hdr;
void *buf_tmp;
u8 *buf_cmd, *buf_oaf, fburst = 0;
dma_addr_t buf_tmp_dma;
u32 flags;
+ u32 resp_len, req_len, i, tag = tei->tag;
+ const u32 max_resp_len = SB_RFB_MAX;
slot = &mvi->slot_info[tag];
- mvi->tx[tag] = cpu_to_le32(TXQ_MODE_I | tag |
- (TXQ_CMD_SSP << TXQ_CMD_SHIFT) |
- (sas_port->phy_mask << TXQ_PHY_SHIFT));
+ slot->tx = mvi->tx_prod;
+ mvi->tx[mvi->tx_prod] = cpu_to_le32(TXQ_MODE_I | tag |
+ (TXQ_CMD_SSP << TXQ_CMD_SHIFT) |
+ (port->wide_port_phymap << TXQ_PHY_SHIFT));
flags = MCH_RETRY;
if (task->ssp_task.enable_first_burst) {
fburst = (1 << 7);
}
hdr->flags = cpu_to_le32(flags |
- (tei->n_elem << MCH_PRD_LEN_SHIFT) |
- (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT));
+ (tei->n_elem << MCH_PRD_LEN_SHIFT) |
+ (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT));
hdr->tags = cpu_to_le32(tag);
hdr->data_len = cpu_to_le32(task->total_xfer_len);
/*
* arrange MVS_SLOT_BUF_SZ-sized DMA buffer according to our needs
*/
- memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
- /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ***************/
- buf_cmd =
- buf_tmp = slot->buf;
+ /* region 1: command table area (MVS_SSP_CMD_SZ bytes) ************** */
+ buf_cmd = buf_tmp = slot->buf;
buf_tmp_dma = slot->buf_dma;
hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma);
buf_tmp += MVS_SSP_CMD_SZ;
buf_tmp_dma += MVS_SSP_CMD_SZ;
+#if _MV_DUMP
+ slot->cmd_size = MVS_SSP_CMD_SZ;
+#endif
- /* region 2: open address frame area (MVS_OAF_SZ bytes) **********/
+ /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */
buf_oaf = buf_tmp;
hdr->open_frame = cpu_to_le64(buf_tmp_dma);
buf_tmp += MVS_OAF_SZ;
buf_tmp_dma += MVS_OAF_SZ;
- /* region 3: PRD table ***********************************************/
+ /* region 3: PRD table ********************************************* */
buf_prd = buf_tmp;
- hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ if (tei->n_elem)
+ hdr->prd_tbl = cpu_to_le64(buf_tmp_dma);
+ else
+ hdr->prd_tbl = 0;
i = sizeof(struct mvs_prd) * tei->n_elem;
buf_tmp += i;
buf_tmp_dma += i;
- /* region 4: status buffer (larger the PRD, smaller this buf) ********/
+ /* region 4: status buffer (larger the PRD, smaller this buf) ****** */
slot->response = buf_tmp;
hdr->status_buf = cpu_to_le64(buf_tmp_dma);
- req_len = sizeof(struct ssp_frame_hdr) + 28;
resp_len = MVS_SLOT_BUF_SZ - MVS_SSP_CMD_SZ - MVS_OAF_SZ -
- sizeof(struct mvs_err_info) - i;
+ sizeof(struct mvs_err_info) - i;
+ resp_len = min(resp_len, max_resp_len);
+
+ req_len = sizeof(struct ssp_frame_hdr) + 28;
/* request, response lengths */
hdr->lens = cpu_to_le32(((resp_len / 4) << 16) | (req_len / 4));
/* generate open address frame hdr (first 12 bytes) */
buf_oaf[0] = (1 << 7) | (1 << 4) | 0x1; /* initiator, SSP, ftype 1h */
buf_oaf[1] = task->dev->linkrate & 0xf;
- buf_oaf[2] = tag >> 8;
- buf_oaf[3] = tag;
+ *(u16 *)(buf_oaf + 2) = cpu_to_be16(tag);
memcpy(buf_oaf + 4, task->dev->sas_addr, SAS_ADDR_SIZE);
- /* fill in SSP frame header */
- ssp_hdr = (struct ssp_frame_hdr *) buf_cmd;
+ /* fill in SSP frame header (Command Table.SSP frame header) */
+ ssp_hdr = (struct ssp_frame_hdr *)buf_cmd;
ssp_hdr->frame_type = SSP_COMMAND;
memcpy(ssp_hdr->hashed_dest_addr, task->dev->hashed_sas_addr,
HASHED_SAS_ADDR_SIZE);
/* fill in command frame IU */
buf_cmd += sizeof(*ssp_hdr);
memcpy(buf_cmd, &task->ssp_task.LUN, 8);
- buf_cmd[9] = fburst |
- task->ssp_task.task_attr |
- (task->ssp_task.task_prio << 3);
+ buf_cmd[9] = fburst | task->ssp_task.task_attr |
+ (task->ssp_task.task_prio << 3);
memcpy(buf_cmd + 12, &task->ssp_task.cdb, 16);
/* fill in PRD (scatter/gather) table, if any */
- sg = task->scatter;
- for (i = 0; i < tei->n_elem; i++) {
+ for_each_sg(task->scatter, sg, tei->n_elem, i) {
buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
buf_prd->len = cpu_to_le32(sg_dma_len(sg));
-
- sg++;
buf_prd++;
}
static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags)
{
- struct mvs_info *mvi = task->dev->port->ha->lldd_ha;
- unsigned int tag = 0xdeadbeef, rc, n_elem = 0;
+ struct domain_device *dev = task->dev;
+ struct mvs_info *mvi = dev->port->ha->lldd_ha;
+ struct pci_dev *pdev = mvi->pdev;
void __iomem *regs = mvi->regs;
- unsigned long flags;
struct mvs_task_exec_info tei;
+ struct sas_task *t = task;
+ u32 tag = 0xdeadbeef, rc, n_elem = 0;
+ unsigned long flags;
+ u32 n = num, pass = 0;
- /* FIXME: STP/SATA support not complete yet */
- if (task->task_proto == SAS_PROTOCOL_SATA || task->task_proto == SAS_PROTOCOL_STP)
- return -SAS_DEV_NO_RESPONSE;
+ spin_lock_irqsave(&mvi->lock, flags);
- if (task->num_scatter) {
- n_elem = pci_map_sg(mvi->pdev, task->scatter,
- task->num_scatter, task->data_dir);
- if (!n_elem)
- return -ENOMEM;
- }
+ do {
+ tei.port = &mvi->port[dev->port->id];
- spin_lock_irqsave(&mvi->lock, flags);
+ if (!tei.port->port_attached) {
+ struct task_status_struct *ts = &t->task_status;
+ ts->stat = SAS_PHY_DOWN;
+ t->task_done(t);
+ rc = 0;
+ goto exec_exit;
+ }
+ if (!sas_protocol_ata(t->task_proto)) {
+ if (t->num_scatter) {
+ n_elem = pci_map_sg(mvi->pdev, t->scatter,
+ t->num_scatter,
+ t->data_dir);
+ if (!n_elem) {
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ }
+ } else {
+ n_elem = t->num_scatter;
+ }
- rc = mvs_tag_alloc(mvi, &tag);
- if (rc)
- goto err_out;
+ rc = mvs_tag_alloc(mvi, &tag);
+ if (rc)
+ goto err_out;
- mvi->slot_info[tag].task = task;
- mvi->slot_info[tag].n_elem = n_elem;
- tei.task = task;
- tei.hdr = &mvi->slot[tag];
- tei.tag = tag;
- tei.n_elem = n_elem;
+ mvi->slot_info[tag].task = t;
+ mvi->slot_info[tag].n_elem = n_elem;
+ memset(mvi->slot_info[tag].buf, 0, MVS_SLOT_BUF_SZ);
+ tei.task = t;
+ tei.hdr = &mvi->slot[tag];
+ tei.tag = tag;
+ tei.n_elem = n_elem;
+
+ switch (t->task_proto) {
+ case SAS_PROTOCOL_SMP:
+ rc = mvs_task_prep_smp(mvi, &tei);
+ break;
+ case SAS_PROTOCOL_SSP:
+ rc = mvs_task_prep_ssp(mvi, &tei);
+ break;
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+ rc = mvs_task_prep_ata(mvi, &tei);
+ break;
+ default:
+ dev_printk(KERN_ERR, &pdev->dev,
+ "unknown sas_task proto: 0x%x\n",
+ t->task_proto);
+ rc = -EINVAL;
+ break;
+ }
- switch (task->task_proto) {
- case SAS_PROTOCOL_SMP:
- rc = mvs_task_prep_smp(mvi, &tei);
- break;
- case SAS_PROTOCOL_SSP:
- rc = mvs_task_prep_ssp(mvi, &tei);
- break;
- case SAS_PROTOCOL_SATA:
- case SAS_PROTOCOL_STP:
- rc = mvs_task_prep_ata(mvi, &tei);
- break;
- default:
- rc = -EINVAL;
- break;
- }
+ if (rc)
+ goto err_out_tag;
- if (rc)
- goto err_out_tag;
+ /* TODO: select normal or high priority */
- /* TODO: select normal or high priority */
+ spin_lock(&t->task_state_lock);
+ t->task_state_flags |= SAS_TASK_AT_INITIATOR;
+ spin_unlock(&t->task_state_lock);
- mw32(RX_PROD_IDX, mvi->tx_prod);
+ if (n == 1) {
+ spin_unlock_irqrestore(&mvi->lock, flags);
+ mw32(TX_PROD_IDX, mvi->tx_prod);
+ }
+ mvs_hba_memory_dump(mvi, tag, t->task_proto);
- mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_TX_RING_SZ - 1);
+ ++pass;
+ mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1);
- spin_lock(&task->task_state_lock);
- task->task_state_flags |= SAS_TASK_AT_INITIATOR;
- spin_unlock(&task->task_state_lock);
+ if (n == 1)
+ break;
+
+ t = list_entry(t->list.next, struct sas_task, list);
+ } while (--n);
- spin_unlock_irqrestore(&mvi->lock, flags);
return 0;
err_out_tag:
- mvs_tag_clear(mvi, tag);
+ mvs_tag_free(mvi, tag);
err_out:
- if (n_elem)
- pci_unmap_sg(mvi->pdev, task->scatter, n_elem, task->data_dir);
+ dev_printk(KERN_ERR, &pdev->dev, "mvsas exec failed[%d]!\n", rc);
+ if (!sas_protocol_ata(t->task_proto))
+ if (n_elem)
+ pci_unmap_sg(mvi->pdev, t->scatter, n_elem,
+ t->data_dir);
+exec_exit:
+ if (pass)
+ mw32(TX_PROD_IDX, (mvi->tx_prod - 1) & (MVS_CHIP_SLOT_SZ - 1));
spin_unlock_irqrestore(&mvi->lock, flags);
return rc;
}
+static int mvs_task_abort(struct sas_task *task)
+{
+ int rc = 1;
+ unsigned long flags;
+ struct mvs_info *mvi = task->dev->port->ha->lldd_ha;
+ struct pci_dev *pdev = mvi->pdev;
+
+ spin_lock_irqsave(&task->task_state_lock, flags);
+ if (task->task_state_flags & SAS_TASK_STATE_DONE) {
+ rc = TMF_RESP_FUNC_COMPLETE;
+ goto out_done;
+ }
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+ /*FIXME*/
+ rc = TMF_RESP_FUNC_COMPLETE;
+
+ switch (task->task_proto) {
+ case SAS_PROTOCOL_SMP:
+ dev_printk(KERN_DEBUG, &pdev->dev, "SMP Abort! ");
+ break;
+ case SAS_PROTOCOL_SSP:
+ dev_printk(KERN_DEBUG, &pdev->dev, "SSP Abort! ");
+ break;
+ case SAS_PROTOCOL_SATA:
+ case SAS_PROTOCOL_STP:
+ case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:{
+ dev_printk(KERN_DEBUG, &pdev->dev, "STP Abort! "
+ "Dump D2H FIS: \n");
+ mvs_hexdump(sizeof(struct host_to_dev_fis),
+ (void *)&task->ata_task.fis, 0);
+ dev_printk(KERN_DEBUG, &pdev->dev, "Dump ATAPI Cmd : \n");
+ mvs_hexdump(16, task->ata_task.atapi_packet, 0);
+ break;
+ }
+ default:
+ break;
+ }
+out_done:
+ return rc;
+}
+
static void mvs_free(struct mvs_info *mvi)
{
int i;
if (mvi->tx)
dma_free_coherent(&mvi->pdev->dev,
- sizeof(*mvi->tx) * MVS_TX_RING_SZ,
+ sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ,
mvi->tx, mvi->tx_dma);
if (mvi->rx_fis)
dma_free_coherent(&mvi->pdev->dev, MVS_RX_FISL_SZ,
mvi->rx, mvi->rx_dma);
if (mvi->slot)
dma_free_coherent(&mvi->pdev->dev,
- sizeof(*mvi->slot) * MVS_RX_RING_SZ,
+ sizeof(*mvi->slot) * MVS_SLOTS,
mvi->slot, mvi->slot_dma);
+#ifdef MVS_ENABLE_PERI
if (mvi->peri_regs)
iounmap(mvi->peri_regs);
+#endif
if (mvi->regs)
iounmap(mvi->regs);
if (mvi->shost)
void *funcdata)
{
struct mvs_info *mvi = sas_phy->ha->lldd_ha;
- void __iomem *reg;
int rc = 0, phy_id = sas_phy->id;
u32 tmp;
- reg = mvi->regs + MVS_P0_SER_CTLSTAT + (phy_id * 4);
+ tmp = mvs_read_phy_ctl(mvi, phy_id);
switch (func) {
- case PHY_FUNC_SET_LINK_RATE: {
- struct sas_phy_linkrates *rates = funcdata;
- u32 lrmin = 0, lrmax = 0;
+ case PHY_FUNC_SET_LINK_RATE:{
+ struct sas_phy_linkrates *rates = funcdata;
+ u32 lrmin = 0, lrmax = 0;
- lrmin = (rates->minimum_linkrate << 8);
- lrmax = (rates->maximum_linkrate << 12);
+ lrmin = (rates->minimum_linkrate << 8);
+ lrmax = (rates->maximum_linkrate << 12);
- tmp = readl(reg);
- if (lrmin) {
- tmp &= ~(0xf << 8);
- tmp |= lrmin;
- }
- if (lrmax) {
- tmp &= ~(0xf << 12);
- tmp |= lrmax;
+ if (lrmin) {
+ tmp &= ~(0xf << 8);
+ tmp |= lrmin;
+ }
+ if (lrmax) {
+ tmp &= ~(0xf << 12);
+ tmp |= lrmax;
+ }
+ mvs_write_phy_ctl(mvi, phy_id, tmp);
+ break;
}
- writel(tmp, reg);
- break;
- }
case PHY_FUNC_HARD_RESET:
- tmp = readl(reg);
if (tmp & PHY_RST_HARD)
break;
- writel(tmp | PHY_RST_HARD, reg);
+ mvs_write_phy_ctl(mvi, phy_id, tmp | PHY_RST_HARD);
break;
case PHY_FUNC_LINK_RESET:
- writel(readl(reg) | PHY_RST, reg);
+ mvs_write_phy_ctl(mvi, phy_id, tmp | PHY_RST);
break;
case PHY_FUNC_DISABLE:
sas_phy->lldd_phy = phy;
}
-static struct mvs_info * __devinit mvs_alloc(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static struct mvs_info *__devinit mvs_alloc(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
struct mvs_info *mvi;
- unsigned long res_start, res_len;
+ unsigned long res_start, res_len, res_flag;
struct asd_sas_phy **arr_phy;
struct asd_sas_port **arr_port;
const struct mvs_chip_info *chip = &mvs_chips[ent->driver_data];
SHOST_TO_SAS_HA(mvi->shost) = &mvi->sas;
mvi->shost->transportt = mvs_stt;
- mvi->shost->max_id = ~0;
+ mvi->shost->max_id = 21;
mvi->shost->max_lun = ~0;
- mvi->shost->max_cmd_len = ~0;
+ mvi->shost->max_channel = 0;
+ mvi->shost->max_cmd_len = 16;
mvi->sas.sas_ha_name = DRV_NAME;
mvi->sas.dev = &pdev->dev;
mvi->sas.sas_phy = arr_phy;
mvi->sas.sas_port = arr_port;
mvi->sas.num_phys = chip->n_phy;
- mvi->sas.lldd_max_execute_num = MVS_TX_RING_SZ - 1;/* FIXME: correct? */
- mvi->sas.lldd_queue_size = MVS_TX_RING_SZ - 1; /* FIXME: correct? */
+ mvi->sas.lldd_max_execute_num = MVS_CHIP_SLOT_SZ - 1;
+ mvi->sas.lldd_queue_size = MVS_QUEUE_SIZE;
+ mvi->can_queue = (MVS_CHIP_SLOT_SZ >> 1) - 1;
mvi->sas.lldd_ha = mvi;
mvi->sas.core.shost = mvi->shost;
- mvs_tag_set(mvi, MVS_TX_RING_SZ - 1);
+ mvs_tag_init(mvi);
/*
* ioremap main and peripheral registers
*/
+#ifdef MVS_ENABLE_PERI
res_start = pci_resource_start(pdev, 2);
res_len = pci_resource_len(pdev, 2);
if (!res_start || !res_len)
goto err_out;
mvi->peri_regs = ioremap_nocache(res_start, res_len);
- if (!mvi->regs)
+ if (!mvi->peri_regs)
goto err_out;
+#endif
res_start = pci_resource_start(pdev, 4);
res_len = pci_resource_len(pdev, 4);
if (!res_start || !res_len)
goto err_out;
- mvi->regs = ioremap_nocache(res_start, res_len);
+ res_flag = pci_resource_flags(pdev, 4);
+ if (res_flag & IORESOURCE_CACHEABLE)
+ mvi->regs = ioremap(res_start, res_len);
+ else
+ mvi->regs = ioremap_nocache(res_start, res_len);
+
if (!mvi->regs)
goto err_out;
*/
mvi->tx = dma_alloc_coherent(&pdev->dev,
- sizeof(*mvi->tx) * MVS_TX_RING_SZ,
+ sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ,
&mvi->tx_dma, GFP_KERNEL);
if (!mvi->tx)
goto err_out;
- memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_TX_RING_SZ);
+ memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ);
mvi->rx_fis = dma_alloc_coherent(&pdev->dev, MVS_RX_FISL_SZ,
- &mvi->rx_fis_dma, GFP_KERNEL);
+ &mvi->rx_fis_dma, GFP_KERNEL);
if (!mvi->rx_fis)
goto err_out;
memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ);
struct mvs_slot_info *slot = &mvi->slot_info[i];
slot->buf = dma_alloc_coherent(&pdev->dev, MVS_SLOT_BUF_SZ,
- &slot->buf_dma, GFP_KERNEL);
+ &slot->buf_dma, GFP_KERNEL);
if (!slot->buf)
goto err_out;
memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
/* finally, read NVRAM to get our SAS address */
if (mvs_nvram_read(mvi, NVR_SAS_ADDR, &mvi->sas_addr, 8))
goto err_out;
-
return mvi;
err_out:
mw32(CMD_DATA, val);
}
-#if 0
-static u32 mvs_phy_read(struct mvs_info *mvi, unsigned int phy_id, u32 addr)
+static u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port)
{
void __iomem *regs = mvi->regs;
- void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8);
-
- writel(addr, phy_regs);
- return readl(phy_regs + 4);
+ return (port < 4)?mr32(P0_SER_CTLSTAT + port * 4):
+ mr32(P4_SER_CTLSTAT + (port - 4) * 4);
}
-#endif
-static void mvs_phy_write(struct mvs_info *mvi, unsigned int phy_id,
- u32 addr, u32 val)
+static void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val)
{
void __iomem *regs = mvi->regs;
- void __iomem *phy_regs = regs + MVS_P0_CFG_ADDR + (phy_id * 8);
+ if (port < 4)
+ mw32(P0_SER_CTLSTAT + port * 4, val);
+ else
+ mw32(P4_SER_CTLSTAT + (port - 4) * 4, val);
+}
+
+static u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port)
+{
+ void __iomem *regs = mvi->regs + off;
+ void __iomem *regs2 = mvi->regs + off2;
+ return (port < 4)?readl(regs + port * 8):
+ readl(regs2 + (port - 4) * 8);
+}
+
+static void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2,
+ u32 port, u32 val)
+{
+ void __iomem *regs = mvi->regs + off;
+ void __iomem *regs2 = mvi->regs + off2;
+ if (port < 4)
+ writel(val, regs + port * 8);
+ else
+ writel(val, regs2 + (port - 4) * 8);
+}
+
+static u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port);
+}
+
+static void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port, val);
+}
+
+static void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr)
+{
+ mvs_write_port(mvi, MVS_P0_CFG_ADDR, MVS_P4_CFG_ADDR, port, addr);
+}
+
+static u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port);
+}
+
+static void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port, val);
+}
+
+static void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr)
+{
+ mvs_write_port(mvi, MVS_P0_VSR_ADDR, MVS_P4_VSR_ADDR, port, addr);
+}
+
+static u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port);
+}
+
+static void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port, val);
+}
+
+static u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port)
+{
+ return mvs_read_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port);
+}
- writel(addr, phy_regs);
- writel(val, phy_regs + 4);
- readl(phy_regs); /* flush */
+static void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val)
+{
+ mvs_write_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port, val);
}
static void __devinit mvs_phy_hacks(struct mvs_info *mvi)
tmp &= 0x1fffffff;
tmp |= (2U << 29); /* 8 ms retry */
mvs_cw32(regs, CMD_PHY_TIMER, tmp);
+
+ /* TEST - for phy decoding error, adjust voltage levels */
+ mw32(P0_VSR_ADDR + 0, 0x8);
+ mw32(P0_VSR_DATA + 0, 0x2F0);
+
+ mw32(P0_VSR_ADDR + 8, 0x8);
+ mw32(P0_VSR_DATA + 8, 0x2F0);
+
+ mw32(P0_VSR_ADDR + 16, 0x8);
+ mw32(P0_VSR_DATA + 16, 0x2F0);
+
+ mw32(P0_VSR_ADDR + 24, 0x8);
+ mw32(P0_VSR_DATA + 24, 0x2F0);
+
+}
+
+static void mvs_enable_xmt(struct mvs_info *mvi, int PhyId)
+{
+ void __iomem *regs = mvi->regs;
+ u32 tmp;
+
+ tmp = mr32(PCS);
+ if (mvi->chip->n_phy <= 4)
+ tmp |= 1 << (PhyId + PCS_EN_PORT_XMT_SHIFT);
+ else
+ tmp |= 1 << (PhyId + PCS_EN_PORT_XMT_SHIFT2);
+ mw32(PCS, tmp);
+}
+
+static void mvs_detect_porttype(struct mvs_info *mvi, int i)
+{
+ void __iomem *regs = mvi->regs;
+ u32 reg;
+ struct mvs_phy *phy = &mvi->phy[i];
+
+ /* TODO check & save device type */
+ reg = mr32(GBL_PORT_TYPE);
+
+ if (reg & MODE_SAS_SATA & (1 << i))
+ phy->phy_type |= PORT_TYPE_SAS;
+ else
+ phy->phy_type |= PORT_TYPE_SATA;
+}
+
+static void *mvs_get_d2h_reg(struct mvs_info *mvi, int i, void *buf)
+{
+ u32 *s = (u32 *) buf;
+
+ if (!s)
+ return NULL;
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG3);
+ s[3] = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG2);
+ s[2] = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG1);
+ s[1] = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_SATA_SIG0);
+ s[0] = mvs_read_port_cfg_data(mvi, i);
+
+ return (void *)s;
+}
+
+static u32 mvs_is_sig_fis_received(u32 irq_status)
+{
+ return irq_status & PHYEV_SIG_FIS;
+}
+
+static void mvs_update_wideport(struct mvs_info *mvi, int i)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct mvs_port *port = phy->port;
+ int j, no;
+
+ for_each_phy(port->wide_port_phymap, no, j, mvi->chip->n_phy)
+ if (no & 1) {
+ mvs_write_port_cfg_addr(mvi, no, PHYR_WIDE_PORT);
+ mvs_write_port_cfg_data(mvi, no,
+ port->wide_port_phymap);
+ } else {
+ mvs_write_port_cfg_addr(mvi, no, PHYR_WIDE_PORT);
+ mvs_write_port_cfg_data(mvi, no, 0);
+ }
+}
+
+static u32 mvs_is_phy_ready(struct mvs_info *mvi, int i)
+{
+ u32 tmp;
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct mvs_port *port;
+
+ tmp = mvs_read_phy_ctl(mvi, i);
+
+ if ((tmp & PHY_READY_MASK) && !(phy->irq_status & PHYEV_POOF)) {
+ if (!phy->port)
+ phy->phy_attached = 1;
+ return tmp;
+ }
+
+ port = phy->port;
+ if (port) {
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ port->wide_port_phymap &= ~(1U << i);
+ if (!port->wide_port_phymap)
+ port->port_attached = 0;
+ mvs_update_wideport(mvi, i);
+ } else if (phy->phy_type & PORT_TYPE_SATA)
+ port->port_attached = 0;
+ mvs_free_reg_set(mvi, phy->port);
+ phy->port = NULL;
+ phy->phy_attached = 0;
+ phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+ }
+ return 0;
+}
+
+static void mvs_update_phyinfo(struct mvs_info *mvi, int i,
+ int get_st)
+{
+ struct mvs_phy *phy = &mvi->phy[i];
+ struct pci_dev *pdev = mvi->pdev;
+ u32 tmp, j;
+ u64 tmp64;
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_IDENTIFY);
+ phy->dev_info = mvs_read_port_cfg_data(mvi, i);
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_HI);
+ phy->dev_sas_addr = (u64) mvs_read_port_cfg_data(mvi, i) << 32;
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_LO);
+ phy->dev_sas_addr |= mvs_read_port_cfg_data(mvi, i);
+
+ if (get_st) {
+ phy->irq_status = mvs_read_port_irq_stat(mvi, i);
+ phy->phy_status = mvs_is_phy_ready(mvi, i);
+ }
+
+ if (phy->phy_status) {
+ u32 phy_st;
+ struct asd_sas_phy *sas_phy = mvi->sas.sas_phy[i];
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ phy_st = mvs_read_port_cfg_data(mvi, i);
+
+ sas_phy->linkrate =
+ (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET;
+
+ /* Updated attached_sas_addr */
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_HI);
+ phy->att_dev_sas_addr =
+ (u64) mvs_read_port_cfg_data(mvi, i) << 32;
+
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_ADDR_LO);
+ phy->att_dev_sas_addr |= mvs_read_port_cfg_data(mvi, i);
+
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "phy[%d] Get Attached Address 0x%llX ,"
+ " SAS Address 0x%llX\n",
+ i, phy->att_dev_sas_addr, phy->dev_sas_addr);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "Rate = %x , type = %d\n",
+ sas_phy->linkrate, phy->phy_type);
+
+#if 1
+ /*
+ * If the device is capable of supporting a wide port
+ * on its phys, it may configure the phys as a wide port.
+ */
+ if (phy->phy_type & PORT_TYPE_SAS)
+ for (j = 0; j < mvi->chip->n_phy && j != i; ++j) {
+ if ((mvi->phy[j].phy_attached) &&
+ (mvi->phy[j].phy_type & PORT_TYPE_SAS))
+ if (phy->att_dev_sas_addr ==
+ mvi->phy[j].att_dev_sas_addr - 1) {
+ phy->att_dev_sas_addr =
+ mvi->phy[j].att_dev_sas_addr;
+ break;
+ }
+ }
+
+#endif
+
+ tmp64 = cpu_to_be64(phy->att_dev_sas_addr);
+ memcpy(sas_phy->attached_sas_addr, &tmp64, SAS_ADDR_SIZE);
+
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ATT_DEV_INFO);
+ phy->att_dev_info = mvs_read_port_cfg_data(mvi, i);
+ phy->identify.device_type =
+ phy->att_dev_info & PORT_DEV_TYPE_MASK;
+
+ if (phy->identify.device_type == SAS_END_DEV)
+ phy->identify.target_port_protocols =
+ SAS_PROTOCOL_SSP;
+ else if (phy->identify.device_type != NO_DEVICE)
+ phy->identify.target_port_protocols =
+ SAS_PROTOCOL_SMP;
+ if (phy_st & PHY_OOB_DTCTD)
+ sas_phy->oob_mode = SAS_OOB_MODE;
+ phy->frame_rcvd_size =
+ sizeof(struct sas_identify_frame);
+ } else if (phy->phy_type & PORT_TYPE_SATA) {
+ phy->identify.target_port_protocols = SAS_PROTOCOL_STP;
+ if (mvs_is_sig_fis_received(phy->irq_status)) {
+ if (phy_st & PHY_OOB_DTCTD)
+ sas_phy->oob_mode = SATA_OOB_MODE;
+ phy->frame_rcvd_size =
+ sizeof(struct dev_to_host_fis);
+ mvs_get_d2h_reg(mvi, i,
+ (void *)sas_phy->frame_rcvd);
+ } else {
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "No sig fis\n");
+ }
+ }
+ /* workaround for HW phy decoding error on 1.5g disk drive */
+ mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE6);
+ tmp = mvs_read_port_vsr_data(mvi, i);
+ if (((phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >>
+ PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET) ==
+ SAS_LINK_RATE_1_5_GBPS)
+ tmp &= ~PHY_MODE6_DTL_SPEED;
+ else
+ tmp |= PHY_MODE6_DTL_SPEED;
+ mvs_write_port_vsr_data(mvi, i, tmp);
+
+ }
+ if (get_st)
+ mvs_write_port_irq_stat(mvi, i, phy->irq_status);
+}
+
+static void mvs_port_formed(struct asd_sas_phy *sas_phy)
+{
+ struct sas_ha_struct *sas_ha = sas_phy->ha;
+ struct mvs_info *mvi = sas_ha->lldd_ha;
+ struct asd_sas_port *sas_port = sas_phy->port;
+ struct mvs_phy *phy = sas_phy->lldd_phy;
+ struct mvs_port *port = &mvi->port[sas_port->id];
+ unsigned long flags;
+
+ spin_lock_irqsave(&mvi->lock, flags);
+ port->port_attached = 1;
+ phy->port = port;
+ port->taskfileset = MVS_ID_NOT_MAPPED;
+ if (phy->phy_type & PORT_TYPE_SAS) {
+ port->wide_port_phymap = sas_port->phy_mask;
+ mvs_update_wideport(mvi, sas_phy->id);
+ }
+ spin_unlock_irqrestore(&mvi->lock, flags);
}
static int __devinit mvs_hw_init(struct mvs_info *mvi)
mw32(GBL_CTL, 0);
tmp = mr32(GBL_CTL);
+ /* Reset Controller */
if (!(tmp & HBA_RST)) {
if (mvi->flags & MVF_PHY_PWR_FIX) {
pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp);
mw32_f(GBL_CTL, HBA_RST);
}
-
/* wait for reset to finish; timeout is just a guess */
i = 1000;
while (i-- > 0) {
return -EBUSY;
}
+ /* Init Chip */
/* make sure RST is set; HBA_RST /should/ have done that for us */
cctl = mr32(CTL);
if (cctl & CCTL_RST)
else
mw32_f(CTL, cctl | CCTL_RST);
+ /* write to device control _AND_ device status register? - A.C. */
+ pci_read_config_dword(mvi->pdev, PCR_DEV_CTRL, &tmp);
+ tmp &= ~PRD_REQ_MASK;
+ tmp |= PRD_REQ_SIZE;
+ pci_write_config_dword(mvi->pdev, PCR_DEV_CTRL, tmp);
+
pci_read_config_dword(mvi->pdev, PCR_PHY_CTL, &tmp);
tmp |= PCTL_PWR_ON;
tmp &= ~PCTL_OFF;
mw32_f(CTL, cctl);
+ /* reset control */
+ mw32(PCS, 0); /*MVS_PCS */
+
mvs_phy_hacks(mvi);
mw32(CMD_LIST_LO, mvi->slot_dma);
mw32(RX_FIS_LO, mvi->rx_fis_dma);
mw32(RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16);
- mw32(TX_CFG, MVS_TX_RING_SZ);
+ mw32(TX_CFG, MVS_CHIP_SLOT_SZ);
mw32(TX_LO, mvi->tx_dma);
mw32(TX_HI, (mvi->tx_dma >> 16) >> 16);
mw32(RX_LO, mvi->rx_dma);
mw32(RX_HI, (mvi->rx_dma >> 16) >> 16);
+ /* enable auto port detection */
+ mw32(GBL_PORT_TYPE, MODE_AUTO_DET_EN);
+ msleep(100);
/* init and reset phys */
for (i = 0; i < mvi->chip->n_phy; i++) {
/* FIXME: is this the correct dword order? */
- u32 lo = *((u32 *) &mvi->sas_addr[0]);
- u32 hi = *((u32 *) &mvi->sas_addr[4]);
+ u32 lo = *((u32 *)&mvi->sas_addr[0]);
+ u32 hi = *((u32 *)&mvi->sas_addr[4]);
+
+ mvs_detect_porttype(mvi, i);
/* set phy local SAS address */
- mvs_phy_write(mvi, i, PHYR_ADDR_LO, lo);
- mvs_phy_write(mvi, i, PHYR_ADDR_HI, hi);
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_LO);
+ mvs_write_port_cfg_data(mvi, i, lo);
+ mvs_write_port_cfg_addr(mvi, i, PHYR_ADDR_HI);
+ mvs_write_port_cfg_data(mvi, i, hi);
/* reset phy */
- tmp = readl(regs + MVS_P0_SER_CTLSTAT + (i * 4));
+ tmp = mvs_read_phy_ctl(mvi, i);
tmp |= PHY_RST;
- writel(tmp, regs + MVS_P0_SER_CTLSTAT + (i * 4));
+ mvs_write_phy_ctl(mvi, i, tmp);
}
msleep(100);
for (i = 0; i < mvi->chip->n_phy; i++) {
+ /* clear phy int status */
+ tmp = mvs_read_port_irq_stat(mvi, i);
+ tmp &= ~PHYEV_SIG_FIS;
+ mvs_write_port_irq_stat(mvi, i, tmp);
+
/* set phy int mask */
- writel(PHYEV_BROAD_CH | PHYEV_RDY_CH,
- regs + MVS_P0_INT_MASK + (i * 8));
+ tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH | PHYEV_UNASSOC_FIS |
+ PHYEV_ID_DONE | PHYEV_DEC_ERR;
+ mvs_write_port_irq_mask(mvi, i, tmp);
- /* clear phy int status */
- tmp = readl(regs + MVS_P0_INT_STAT + (i * 8));
- writel(tmp, regs + MVS_P0_INT_STAT + (i * 8));
+ msleep(100);
+ mvs_update_phyinfo(mvi, i, 1);
+ mvs_enable_xmt(mvi, i);
}
/* FIXME: update wide port bitmaps */
+ /* little endian for open address and command table, etc. */
+ /* A.C.
+ * it seems that ( from the spec ) turning on big-endian won't
+ * do us any good on big-endian machines, need further confirmation
+ */
+ cctl = mr32(CTL);
+ cctl |= CCTL_ENDIAN_CMD;
+ cctl |= CCTL_ENDIAN_DATA;
+ cctl &= ~CCTL_ENDIAN_OPEN;
+ cctl |= CCTL_ENDIAN_RSP;
+ mw32_f(CTL, cctl);
+
+ /* reset CMD queue */
+ tmp = mr32(PCS);
+ tmp |= PCS_CMD_RST;
+ mw32(PCS, tmp);
+ /* interrupt coalescing may cause missing HW interrput in some case,
+ * and the max count is 0x1ff, while our max slot is 0x200,
+ * it will make count 0.
+ */
+ tmp = 0;
+ mw32(INT_COAL, tmp);
+
+ tmp = 0x100;
+ mw32(INT_COAL_TMOUT, tmp);
+
/* ladies and gentlemen, start your engines */
- mw32(TX_CFG, MVS_TX_RING_SZ | TX_EN);
+ mw32(TX_CFG, 0);
+ mw32(TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN);
mw32(RX_CFG, MVS_RX_RING_SZ | RX_EN);
- mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN |
- ((mvi->flags & MVF_MSI) ? PCS_SELF_CLEAR : 0));
+ /* enable CMD/CMPL_Q/RESP mode */
+ mw32(PCS, PCS_SATA_RETRY | PCS_FIS_RX_EN | PCS_CMD_EN);
/* re-enable interrupts globally */
- mw32(GBL_CTL, INT_EN);
+ mvs_hba_interrupt_enable(mvi);
+
+ /* enable completion queue interrupt */
+ tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM);
+ mw32(INT_MASK, tmp);
return 0;
}
}
static int __devinit mvs_pci_init(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+ const struct pci_device_id *ent)
{
int rc;
struct mvs_info *mvi;
if (rc)
goto err_out_mvi;
+#ifndef MVS_DISABLE_MSI
if (!pci_enable_msi(pdev)) {
+ u32 tmp;
+ void __iomem *regs = mvi->regs;
mvi->flags |= MVF_MSI;
irq_handler = mvs_msi_interrupt;
+ tmp = mr32(PCS);
+ mw32(PCS, tmp | PCS_SELF_CLEAR);
}
+#endif
rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED, DRV_NAME, mvi);
if (rc)
mvs_print_info(mvi);
scsi_scan_host(mvi->shost);
+
return 0;
err_out_shost:
pci_set_drvdata(pdev, NULL);
- sas_unregister_ha(&mvi->sas);
- sas_remove_host(mvi->shost);
- scsi_remove_host(mvi->shost);
-
- free_irq(pdev->irq, mvi);
- if (mvi->flags & MVF_MSI)
- pci_disable_msi(pdev);
- mvs_free(mvi);
- pci_release_regions(pdev);
+ if (mvi) {
+ sas_unregister_ha(&mvi->sas);
+ mvs_hba_interrupt_disable(mvi);
+ sas_remove_host(mvi->shost);
+ scsi_remove_host(mvi->shost);
+
+ free_irq(pdev->irq, mvi);
+ if (mvi->flags & MVF_MSI)
+ pci_disable_msi(pdev);
+ mvs_free(mvi);
+ pci_release_regions(pdev);
+ }
pci_disable_device(pdev);
}
static struct sas_domain_function_template mvs_transport_ops = {
.lldd_execute_task = mvs_task_exec,
.lldd_control_phy = mvs_phy_control,
+ .lldd_abort_task = mvs_task_abort,
+ .lldd_port_formed = mvs_port_formed
};
static struct pci_device_id __devinitdata mvs_pci_table[] = {
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, mvs_pci_table);
-
git.samba.org / sfrench / cifs-2.6.git / blobdiff