kernel-fxtec-pro1x/drivers/scsi/isci/probe_roms.h
Andrzej Jakowski 7000f7c71e [SCSI] isci: overriding max_concurr_spinup oem parameter by max(oem, user)
Fixes bug where max_concurr_spinup oem parameter should be
overriden by max_concurr_spinup user parameter. Override should
happen only when max_concurr_spinup user parameter is specified
in command line (greater than 0). Also this fix shortens variables
representing max_conxurr_spinup for oem and user parameters.

Signed-off-by: Andrzej Jakowski <andrzej.jakowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-31 13:23:18 +04:00

249 lines
7.9 KiB
C

/*
* This file is provided under a dual BSD/GPLv2 license. When using or
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#ifndef _ISCI_PROBE_ROMS_H_
#define _ISCI_PROBE_ROMS_H_
#ifdef __KERNEL__
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/efi.h>
#include "isci.h"
#define SCIC_SDS_PARM_NO_SPEED 0
/* generation 1 (i.e. 1.5 Gb/s) */
#define SCIC_SDS_PARM_GEN1_SPEED 1
/* generation 2 (i.e. 3.0 Gb/s) */
#define SCIC_SDS_PARM_GEN2_SPEED 2
/* generation 3 (i.e. 6.0 Gb/s) */
#define SCIC_SDS_PARM_GEN3_SPEED 3
#define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED
/* parameters that can be set by module parameters */
struct sci_user_parameters {
struct sci_phy_user_params {
/**
* This field specifies the NOTIFY (ENABLE SPIN UP) primitive
* insertion frequency for this phy index.
*/
u32 notify_enable_spin_up_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit a single ALIGN primitive. This value applies regardless
* of what type of device is attached or connection state. A value of
* 0 indicates that no ALIGN primitives will be inserted.
*/
u16 align_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit 2 ALIGN primitives. This applies for SAS connections
* only. A minimum value of 3 is required for this field.
*/
u16 in_connection_align_insertion_frequency;
/**
* This field indicates the maximum speed generation to be utilized
* by phys in the supplied port.
* - A value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
* - A value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
* - A value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
*/
u8 max_speed_generation;
} phys[SCI_MAX_PHYS];
/**
* This field specifies the maximum number of direct attached devices
* that can have power supplied to them simultaneously.
*/
u8 max_concurr_spinup;
/**
* This field specifies the number of seconds to allow a phy to consume
* power before yielding to another phy.
*
*/
u8 phy_spin_up_delay_interval;
/**
* These timer values specifies how long a link will remain open with no
* activity in increments of a microsecond, it can be in increments of
* 100 microseconds if the upper most bit is set.
*
*/
u16 stp_inactivity_timeout;
u16 ssp_inactivity_timeout;
/**
* These timer values specifies how long a link will remain open in increments
* of 100 microseconds.
*
*/
u16 stp_max_occupancy_timeout;
u16 ssp_max_occupancy_timeout;
/**
* This timer value specifies how long a link will remain open with no
* outbound traffic in increments of a microsecond.
*
*/
u8 no_outbound_task_timeout;
};
#define SCIC_SDS_PARM_PHY_MASK_MIN 0x0
#define SCIC_SDS_PARM_PHY_MASK_MAX 0xF
#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4
struct sci_oem_params;
int sci_oem_parameters_validate(struct sci_oem_params *oem);
struct isci_orom;
struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
enum sci_status isci_parse_oem_parameters(struct sci_oem_params *oem,
struct isci_orom *orom, int scu_index);
struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmware *fw);
struct isci_orom *isci_get_efi_var(struct pci_dev *pdev);
struct isci_oem_hdr {
u8 sig[4];
u8 rev_major;
u8 rev_minor;
u16 len;
u8 checksum;
u8 reserved1;
u16 reserved2;
} __attribute__ ((packed));
#else
#define SCI_MAX_PORTS 4
#define SCI_MAX_PHYS 4
#define SCI_MAX_CONTROLLERS 2
#endif
#define ISCI_FW_NAME "isci/isci_firmware.bin"
#define ROMSIGNATURE 0xaa55
#define ISCI_OEM_SIG "$OEM"
#define ISCI_OEM_SIG_SIZE 4
#define ISCI_ROM_SIG "ISCUOEMB"
#define ISCI_ROM_SIG_SIZE 8
#define ISCI_EFI_VENDOR_GUID \
EFI_GUID(0x193dfefa, 0xa445, 0x4302, 0x99, 0xd8, 0xef, 0x3a, 0xad, \
0x1a, 0x04, 0xc6)
#define ISCI_EFI_VAR_NAME "RstScuO"
/* Allowed PORT configuration modes APC Automatic PORT configuration mode is
* defined by the OEM configuration parameters providing no PHY_MASK parameters
* for any PORT. i.e. There are no phys assigned to any of the ports at start.
* MPC Manual PORT configuration mode is defined by the OEM configuration
* parameters providing a PHY_MASK value for any PORT. It is assumed that any
* PORT with no PHY_MASK is an invalid port and not all PHYs must be assigned.
* A PORT_PHY mask that assigns just a single PHY to a port and no other PHYs
* being assigned is sufficient to declare manual PORT configuration.
*/
enum sci_port_configuration_mode {
SCIC_PORT_MANUAL_CONFIGURATION_MODE = 0,
SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE = 1
};
struct sci_bios_oem_param_block_hdr {
uint8_t signature[ISCI_ROM_SIG_SIZE];
uint16_t total_block_length;
uint8_t hdr_length;
uint8_t version;
uint8_t preboot_source;
uint8_t num_elements;
uint16_t element_length;
uint8_t reserved[8];
} __attribute__ ((packed));
struct sci_oem_params {
struct {
uint8_t mode_type;
uint8_t max_concurr_spin_up;
uint8_t do_enable_ssc;
uint8_t reserved;
} controller;
struct {
uint8_t phy_mask;
} ports[SCI_MAX_PORTS];
struct sci_phy_oem_params {
struct {
uint32_t high;
uint32_t low;
} sas_address;
uint32_t afe_tx_amp_control0;
uint32_t afe_tx_amp_control1;
uint32_t afe_tx_amp_control2;
uint32_t afe_tx_amp_control3;
} phys[SCI_MAX_PHYS];
} __attribute__ ((packed));
struct isci_orom {
struct sci_bios_oem_param_block_hdr hdr;
struct sci_oem_params ctrl[SCI_MAX_CONTROLLERS];
} __attribute__ ((packed));
#endif