@ -152,7 +152,7 @@ struct sci_user_parameters {
#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4
struct sci_oem_params;struct sci_oem_params;
int sci_oem_parameters_validate(struct sci_oem_params *oem);int sci_oem_parameters_validate(struct sci_oem_params *oem, u8 version);
struct isci_orom;struct isci_orom;
struct isci_orom *isci_request_oprom(struct pci_dev *pdev);struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
@ -191,6 +191,11 @@ struct isci_oem_hdr {
0x1a, 0x04, 0xc6) 0x1a, 0x04, 0xc6)
#define ISCI_EFI_VAR_NAME "RstScuO"#define ISCI_EFI_VAR_NAME "RstScuO"
#define ISCI_ROM_VER_1_0 0x10
#define ISCI_ROM_VER_1_1 0x11
#define ISCI_ROM_VER_1_3 0x13
#define ISCI_ROM_VER_LATEST ISCI_ROM_VER_1_3
/* Allowed PORT configuration modes APC Automatic PORT configuration mode is/* Allowed PORT configuration modes APC Automatic PORT configuration mode is
* defined by the OEM configuration parameters providing no PHY_MASK parameters * 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. * for any PORT. i.e. There are no phys assigned to any of the ports at start.
@ -220,8 +225,86 @@ struct sci_oem_params {
struct { struct {
uint8_t mode_type; uint8_t mode_type;
uint8_t max_concurr_spin_up; uint8_t max_concurr_spin_up;
/*
* This bitfield indicates the OEM's desired default Tx
* Spread Spectrum Clocking (SSC) settings for SATA and SAS.
* NOTE: Default SSC Modulation Frequency is 31.5KHz.
*/
union {
struct {
/*
* NOTE: Max spread for SATA is +0 / -5000 PPM.
* Down-spreading SSC (only method allowed for SATA):
* SATA SSC Tx Disabled = 0x0
* SATA SSC Tx at +0 / -1419 PPM Spread = 0x2
* SATA SSC Tx at +0 / -2129 PPM Spread = 0x3
* SATA SSC Tx at +0 / -4257 PPM Spread = 0x6
* SATA SSC Tx at +0 / -4967 PPM Spread = 0x7
*/
uint8_t ssc_sata_tx_spread_level:4;
/*
* SAS SSC Tx Disabled = 0x0
*
* NOTE: Max spread for SAS down-spreading +0 /
* -2300 PPM
* Down-spreading SSC:
* SAS SSC Tx at +0 / -1419 PPM Spread = 0x2
* SAS SSC Tx at +0 / -2129 PPM Spread = 0x3
*
* NOTE: Max spread for SAS center-spreading +2300 /
* -2300 PPM
* Center-spreading SSC:
* SAS SSC Tx at +1064 / -1064 PPM Spread = 0x3
* SAS SSC Tx at +2129 / -2129 PPM Spread = 0x6
*/
uint8_t ssc_sas_tx_spread_level:3;
/*
* NOTE: Refer to the SSC section of the SAS 2.x
* Specification for proper setting of this field.
* For standard SAS Initiator SAS PHY operation it
* should be 0 for Down-spreading.
* SAS SSC Tx spread type:
* Down-spreading SSC = 0
* Center-spreading SSC = 1
*/
uint8_t ssc_sas_tx_type:1;
};
uint8_t do_enable_ssc; uint8_t do_enable_ssc;
uint8_t reserved; };
/*
* This field indicates length of the SAS/SATA cable between
* host and device.
* This field is used make relationship between analog
* parameters of the phy in the silicon and length of the cable.
* Supported cable attenuation levels:
* "short"- up to 3m, "medium"-3m to 6m, and "long"- more than
* 6m.
*
* This is bit mask field:
*
* BIT: (MSB) 7 6 5 4
* ASSIGNMENT: <phy3><phy2><phy1><phy0> - Medium cable
* length assignment
* BIT: 3 2 1 0 (LSB)
* ASSIGNMENT: <phy3><phy2><phy1><phy0> - Long cable length
* assignment
*
* BITS 7-4 are set when the cable length is assigned to medium
* BITS 3-0 are set when the cable length is assigned to long
*
* The BIT positions are clear when the cable length is
* assigned to short.
*
* Setting the bits for both long and medium cable length is
* undefined.
*
* A value of 0x84 would assign
* phy3 - medium
* phy2 - long
* phy1 - short
* phy0 - short
*/
uint8_t cable_selection_mask;
} controller; } controller;
struct { struct {
Dan Williams
13 years ago
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